3974 lines
751 KiB
HTML
3974 lines
751 KiB
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<div class="headertitle"><div class="title">cp_model_solver.cc</div></div>
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<a href="cp__model__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="cp__model__solver_8h.html">ortools/sat/cp_model_solver.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <cstdlib></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <deque></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <random></span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <thread></span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "google/protobuf/text_format.h"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="base_2file_8h.html">ortools/base/file.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "absl/base/thread_annotations.h"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "absl/container/btree_map.h"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "absl/container/btree_set.h"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "absl/flags/flag.h"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include "absl/strings/str_split.h"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#include "absl/strings/string_view.h"</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#include "absl/synchronization/mutex.h"</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#include "<a class="code" href="cleanup_8h.html">ortools/base/cleanup.h</a>"</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="preprocessor">#include "<a class="code" href="connected__components_8h.html">ortools/graph/connected_components.h</a>"</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor">#include "<a class="code" href="clause_8h.html">ortools/sat/clause.h</a>"</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="preprocessor">#include "ortools/sat/cp_model.pb.h"</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#include "<a class="code" href="cp__model__checker_8h.html">ortools/sat/cp_model_checker.h</a>"</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="preprocessor">#include "<a class="code" href="cp__model__lns_8h.html">ortools/sat/cp_model_lns.h</a>"</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="preprocessor">#include "<a class="code" href="cp__model__loader_8h.html">ortools/sat/cp_model_loader.h</a>"</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#include "<a class="code" href="cp__model__mapping_8h.html">ortools/sat/cp_model_mapping.h</a>"</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#include "<a class="code" href="cp__model__postsolve_8h.html">ortools/sat/cp_model_postsolve.h</a>"</span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#include "<a class="code" href="cp__model__presolve_8h.html">ortools/sat/cp_model_presolve.h</a>"</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor">#include "<a class="code" href="cp__model__search_8h.html">ortools/sat/cp_model_search.h</a>"</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#include "<a class="code" href="cp__model__symmetries_8h.html">ortools/sat/cp_model_symmetries.h</a>"</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="preprocessor">#include "<a class="code" href="cp__model__utils_8h.html">ortools/sat/cp_model_utils.h</a>"</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#include "<a class="code" href="cuts_8h.html">ortools/sat/cuts.h</a>"</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="preprocessor">#include "<a class="code" href="drat__checker_8h.html">ortools/sat/drat_checker.h</a>"</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="preprocessor">#include "<a class="code" href="drat__proof__handler_8h.html">ortools/sat/drat_proof_handler.h</a>"</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="preprocessor">#include "<a class="code" href="feasibility__pump_8h.html">ortools/sat/feasibility_pump.h</a>"</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="preprocessor">#include "<a class="code" href="integer__expr_8h.html">ortools/sat/integer_expr.h</a>"</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="preprocessor">#include "<a class="code" href="integer__search_8h.html">ortools/sat/integer_search.h</a>"</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="preprocessor">#include "<a class="code" href="lb__tree__search_8h.html">ortools/sat/lb_tree_search.h</a>"</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="preprocessor">#include "<a class="code" href="sat_2linear__constraint_8h.html">ortools/sat/linear_constraint.h</a>"</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="preprocessor">#include "<a class="code" href="linear__programming__constraint_8h.html">ortools/sat/linear_programming_constraint.h</a>"</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="preprocessor">#include "<a class="code" href="linear__relaxation_8h.html">ortools/sat/linear_relaxation.h</a>"</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="preprocessor">#include "<a class="code" href="sat_2lp__utils_8h.html">ortools/sat/lp_utils.h</a>"</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="preprocessor">#include "<a class="code" href="max__hs_8h.html">ortools/sat/max_hs.h</a>"</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="preprocessor">#include "<a class="code" href="optimization_8h.html">ortools/sat/optimization.h</a>"</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="preprocessor">#include "<a class="code" href="parameters__validation_8h.html">ortools/sat/parameters_validation.h</a>"</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="preprocessor">#include "<a class="code" href="precedences_8h.html">ortools/sat/precedences.h</a>"</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="preprocessor">#include "<a class="code" href="presolve__context_8h.html">ortools/sat/presolve_context.h</a>"</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="preprocessor">#include "<a class="code" href="probing_8h.html">ortools/sat/probing.h</a>"</span></div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="preprocessor">#include "<a class="code" href="rins_8h.html">ortools/sat/rins.h</a>"</span></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</span></div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="preprocessor">#include "<a class="code" href="sat__inprocessing_8h.html">ortools/sat/sat_inprocessing.h</a>"</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="preprocessor">#include "<a class="code" href="simplification_8h.html">ortools/sat/simplification.h</a>"</span></div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="preprocessor">#include "<a class="code" href="subsolver_8h.html">ortools/sat/subsolver.h</a>"</span></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="preprocessor">#include "<a class="code" href="synchronization_8h.html">ortools/sat/synchronization.h</a>"</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="preprocessor">#include "<a class="code" href="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="preprocessor">#include "<a class="code" href="util_2logging_8h.html">ortools/util/logging.h</a>"</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="preprocessor">#include "<a class="code" href="random__engine_8h.html">ortools/util/random_engine.h</a>"</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="preprocessor">#include "<a class="code" href="sigint_8h.html">ortools/util/sigint.h</a>"</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="preprocessor">#include "<a class="code" href="version_8h.html">ortools/base/version.h</a>"</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="preprocessor">#include "<a class="code" href="sorted__interval__list_8h.html">ortools/util/sorted_interval_list.h</a>"</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="preprocessor">#include "<a class="code" href="strong__integers_8h.html">ortools/util/strong_integers.h</a>"</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="preprocessor">#if defined(_MSC_VER)</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(std::string, cp_model_dump_prefix, <span class="stringliteral">".\\"</span>,</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="stringliteral">"Prefix filename for all dumped files"</span>);</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747"> 108</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(std::string, cp_model_dump_prefix, <span class="stringliteral">"/tmp/"</span>,</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="stringliteral">"Prefix filename for all dumped files"</span>);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a8591ac486d2906248081c3269852e59c"> 111</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, cp_model_dump_models, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="stringliteral">"DEBUG ONLY. When set to true, SolveCpModel() will dump its model "</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="stringliteral">"protos (original model, presolved model, mapping model) in text "</span></div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="stringliteral">"format to 'FLAGS_cp_model_dump_prefix'{model|presolved_model|"</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="stringliteral">"mapping_model}.pb.txt."</span>);</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a341a22ee5767046a84a942d72d80a80d"> 117</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, cp_model_dump_lns, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="stringliteral">"DEBUG ONLY. When set to true, solve will dump all "</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="stringliteral">"lns models proto in text format to "</span></div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="stringliteral">"'FLAGS_cp_model_dump_prefix'lns_xxx.pb.txt."</span>);</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a193cc3f652f9593d27a5ab732f3b78a4"> 122</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">bool</span>, cp_model_dump_problematic_lns, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="stringliteral">"DEBUG ONLY. Similar to --cp_model_dump_lns, but only dump fragment for "</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="stringliteral">"which we got an issue while validating the postsolved solution. This "</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="stringliteral">"allows to debug presolve issues without dumping all the models."</span>);</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a23699b8683d3ebab70584a05a59bf098"> 128</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, cp_model_dump_response, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="stringliteral">"DEBUG ONLY. If true, the final response of each solve will be "</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="stringliteral">"dumped to 'FLAGS_cp_model_dump_prefix'response.pb.txt"</span>);</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a335160e182a5699147bb9514356c7eb8"> 132</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(std::string, cp_model_params, <span class="stringliteral">""</span>,</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="stringliteral">"This is interpreted as a text SatParameters proto. The "</span></div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="stringliteral">"specified fields will override the normal ones for all solves."</span>);</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a73c8968cf0877bf8947b93c2889c280a"> 136</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(std::string, drat_output, <span class="stringliteral">""</span>,</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="stringliteral">"If non-empty, a proof in DRAT format will be written to this file. "</span></div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="stringliteral">"This will only be used for pure-SAT problems."</span>);</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a858fff11042fe8116cbe8d4247de69c3"> 140</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, drat_check, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="stringliteral">"If true, a proof in DRAT format will be stored in memory and "</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="stringliteral">"checked if the problem is UNSAT. This will only be used for "</span></div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="stringliteral">"pure-SAT problems."</span>);</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a9aab1846f5aa2cda3749adb20a0e7c7b"> 145</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">double</span>, max_drat_time_in_seconds,</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> std::numeric_limits<double>::infinity(),</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="stringliteral">"Maximum time in seconds to check the DRAT proof. This will only "</span></div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="stringliteral">"be used is the drat_check flag is enabled."</span>);</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#ad7d4011427b402d43eb77b73566ea4ac"> 150</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(<span class="keywordtype">bool</span>, cp_model_check_intermediate_solutions, <span class="keyword">false</span>,</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="stringliteral">"When true, all intermediate solutions found by the solver will be "</span></div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="stringliteral">"checked. This can be expensive, therefore it is off by default."</span>);</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a97368eabb3adf82bc07f8c4e7b4e0b4c"> 154</a></span><a class="code hl_function" href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a>(std::string, contention_profile, <span class="stringliteral">""</span>,</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="stringliteral">"If non-empty, dump a contention pprof proto to the specified "</span></div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="stringliteral">"destination at the end of the solve."</span>);</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword">namespace </span>sat {</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="comment">// Makes the string fit in one line by cutting it in the middle if necessary.</span></div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span>std::string Summarize(<span class="keyword">const</span> std::string& <a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>) {</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size() < 105) <span class="keywordflow">return</span> <a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>;</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">const</span> <span class="keywordtype">int</span> half = 50;</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">return</span> absl::StrCat(<a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.substr(0, half), <span class="stringliteral">" ... "</span>,</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.substr(<a class="code hl_function" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size() - half, half));</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span>}</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span>} <span class="comment">// namespace.</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span><span class="comment">// =============================================================================</span></div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="comment">// Public API.</span></div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span><span class="comment">// =============================================================================</span></div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913"> 177</a></span>std::string <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>) {</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> absl::btree_map<std::string, int> num_constraints_by_name;</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> absl::btree_map<std::string, int> num_reif_constraints_by_name;</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> absl::btree_map<std::string, int> name_to_num_literals;</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> absl::btree_map<std::string, int> name_to_num_terms;</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> absl::btree_map<std::string, int> name_to_num_complex_domain;</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">int</span> no_overlap_2d_num_rectangles = 0;</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordtype">int</span> no_overlap_2d_num_optional_rectangles = 0;</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">int</span> no_overlap_2d_num_linear_areas = 0;</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordtype">int</span> no_overlap_2d_num_quadratic_areas = 0;</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordtype">int</span> cumulative_num_intervals = 0;</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">int</span> cumulative_num_optional_intervals = 0;</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordtype">int</span> cumulative_num_variable_sizes = 0;</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">int</span> cumulative_num_variable_demands = 0;</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">int</span> no_overlap_num_intervals = 0;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordtype">int</span> no_overlap_num_optional_intervals = 0;</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">int</span> no_overlap_num_variable_sizes = 0;</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> std::string <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case());</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// We split the linear constraints into 3 buckets has it gives more insight</span></div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">// on the type of problem we are facing.</span></div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinear) {</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 1) <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"1"</span>;</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 2) <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"2"</span>;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 3) <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"3"</span>;</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() > 3) <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"N"</span>;</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> num_constraints_by_name[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>]++;</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal().empty()) {</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> num_reif_constraints_by_name[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>]++;</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> }</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">auto</span> variable_is_fixed = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>](<span class="keywordtype">int</span> ref) {</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">const</span> IntegerVariableProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> =</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.domain_size() == 2 && <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.domain(0) == <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.domain(1);</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> };</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keyword">auto</span> expression_is_fixed =</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> [&variable_is_fixed](<span class="keyword">const</span> LinearExpressionProto& expr) {</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : expr.vars()) {</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (!variable_is_fixed(ref)) {</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> }</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> };</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">auto</span> interval_has_fixed_size = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &expression_is_fixed](<span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">return</span> expression_is_fixed(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints(c).interval().size());</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> };</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">auto</span> constraint_is_optional = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>](<span class="keywordtype">int</span> i) {</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">return</span> !<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints(i).enforcement_literal().empty();</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> };</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// For pure Boolean constraints, we also display the total number of literal</span></div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// involved as this gives a good idea of the problem size.</span></div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kBoolOr) {</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> name_to_num_literals[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals().size();</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> ConstraintProto::ConstraintCase::kBoolAnd) {</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> name_to_num_literals[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals().size();</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> ConstraintProto::ConstraintCase::kAtMostOne) {</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> name_to_num_literals[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals().size();</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> ConstraintProto::ConstraintCase::kExactlyOne) {</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> name_to_num_literals[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.exactly_one().literals().size();</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> ConstraintProto::ConstraintCase::kNoOverlap2D) {</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_boxes = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap_2d().x_intervals_size();</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> no_overlap_2d_num_rectangles += num_boxes;</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_boxes; ++i) {</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keyword">const</span> <span class="keywordtype">int</span> x_interval = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap_2d().x_intervals(i);</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="keyword">const</span> <span class="keywordtype">int</span> y_interval = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap_2d().y_intervals(i);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (constraint_is_optional(x_interval) ||</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> constraint_is_optional(y_interval)) {</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> no_overlap_2d_num_optional_rectangles++;</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> }</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_fixed = interval_has_fixed_size(x_interval) +</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> interval_has_fixed_size(y_interval);</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">if</span> (num_fixed == 0) {</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> no_overlap_2d_num_quadratic_areas++;</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (num_fixed == 1) {</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> no_overlap_2d_num_linear_areas++;</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> }</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> ConstraintProto::ConstraintCase::kNoOverlap) {</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_intervals = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap().intervals_size();</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> no_overlap_num_intervals += num_intervals;</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_intervals; ++i) {</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap().intervals(i);</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordflow">if</span> (constraint_is_optional(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> no_overlap_num_optional_intervals++;</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> }</div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (!interval_has_fixed_size(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> no_overlap_num_variable_sizes++;</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> }</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> }</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> ConstraintProto::ConstraintCase::kCumulative) {</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_intervals = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().intervals_size();</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> cumulative_num_intervals += num_intervals;</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_intervals; ++i) {</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().intervals(i);</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">if</span> (constraint_is_optional(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> cumulative_num_optional_intervals++;</div>
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|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
|
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">if</span> (!interval_has_fixed_size(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>)) {</div>
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|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> cumulative_num_variable_sizes++;</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> }</div>
|
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">if</span> (!expression_is_fixed(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().demands(i))) {</div>
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|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> cumulative_num_variable_demands++;</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> }</div>
|
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> }</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinear &&</div>
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|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() > 3) {</div>
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|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> name_to_num_terms[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size();</div>
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|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> }</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinear &&</div>
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|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() > 1 && <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().domain().size() > 2) {</div>
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|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> name_to_num_complex_domain[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>]++;</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordtype">int</span> num_constants = 0;</div>
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|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> absl::btree_set<int64_t> constant_values;</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> absl::btree_map<Domain, int> num_vars_per_domains;</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableProto& <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables()) {</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain_size() == 2 && <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0) == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(1)) {</div>
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|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> ++num_constants;</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> constant_values.insert(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0));</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> num_vars_per_domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)]++;</div>
|
|
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> }</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
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|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> std::string result;</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective() ||</div>
|
|
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective()) {</div>
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|
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> absl::StrAppend(&result, <span class="stringliteral">"optimization model '"</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.name(),</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="stringliteral">"':\n"</span>);</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> absl::StrAppend(&result, <span class="stringliteral">"satisfaction model '"</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.name(),</div>
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|
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="stringliteral">"':\n"</span>);</div>
|
|
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> DecisionStrategyProto& strategy : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.search_strategy()) {</div>
|
|
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> absl::StrAppend(</div>
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|
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> &result, <span class="stringliteral">"Search strategy: on "</span>, strategy.variables_size(),</div>
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|
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="stringliteral">" variables, "</span>,</div>
|
|
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> ProtoEnumToString<DecisionStrategyProto::VariableSelectionStrategy>(</div>
|
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> strategy.variable_selection_strategy()),</div>
|
|
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="stringliteral">", "</span>,</div>
|
|
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> ProtoEnumToString<DecisionStrategyProto::DomainReductionStrategy>(</div>
|
|
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> strategy.domain_reduction_strategy()),</div>
|
|
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> }</div>
|
|
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
|
|
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">auto</span> count_variables_by_type =</div>
|
|
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>](<span class="keyword">const</span> google::protobuf::RepeatedField<int>& vars,</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordtype">int</span>* num_booleans, <span class="keywordtype">int</span>* num_integers) {</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : vars) {</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">const</span> <span class="keyword">auto</span>& var_proto = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
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|
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">if</span> (var_proto.domain_size() == 2 && var_proto.domain(0) == 0 &&</div>
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|
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> var_proto.domain(1) == 1) {</div>
|
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> (*num_booleans)++;</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> }</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> }</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> *num_integers = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars_size() - *num_booleans;</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> };</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> </div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> {</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordtype">int</span> num_boolean_variables_in_objective = 0;</div>
|
|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordtype">int</span> num_integer_variables_in_objective = 0;</div>
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|
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> count_variables_by_type(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(),</div>
|
|
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> &num_boolean_variables_in_objective,</div>
|
|
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> &num_integer_variables_in_objective);</div>
|
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> }</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective()) {</div>
|
|
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> count_variables_by_type(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.floating_point_objective().vars(),</div>
|
|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> &num_boolean_variables_in_objective,</div>
|
|
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> &num_integer_variables_in_objective);</div>
|
|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> }</div>
|
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> </div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> std::vector<std::string> obj_vars_strings;</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">if</span> (num_boolean_variables_in_objective > 0) {</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> obj_vars_strings.push_back(</div>
|
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> absl::StrCat(<span class="stringliteral">"#bools:"</span>, num_boolean_variables_in_objective));</div>
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|
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> }</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">if</span> (num_integer_variables_in_objective > 0) {</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> obj_vars_strings.push_back(</div>
|
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> absl::StrCat(<span class="stringliteral">"#ints:"</span>, num_integer_variables_in_objective));</div>
|
|
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> }</div>
|
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> </div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">const</span> std::string objective_string =</div>
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|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()</div>
|
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> ? absl::StrCat(<span class="stringliteral">" ("</span>, absl::StrJoin(obj_vars_strings, <span class="stringliteral">" "</span>),</div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="stringliteral">" in objective)"</span>)</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> : (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective()</div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> ? absl::StrCat(<span class="stringliteral">" ("</span>, absl::StrJoin(obj_vars_strings, <span class="stringliteral">" "</span>),</div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="stringliteral">" in floating point objective)"</span>)</div>
|
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> : <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> absl::StrAppend(&result, <span class="stringliteral">"#Variables: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(),</div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> objective_string, <span class="stringliteral">"\n"</span>);</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> }</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">if</span> (num_vars_per_domains.size() < 100) {</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : num_vars_per_domains) {</div>
|
|
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">const</span> std::string temp = absl::StrCat(<span class="stringliteral">" - "</span>, entry.second, <span class="stringliteral">" in "</span>,</div>
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|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> entry.first.ToString(), <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> absl::StrAppend(&result, Summarize(temp));</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> }</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> int64_t max_complexity = 0;</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> int64_t <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> int64_t <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>();</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : num_vars_per_domains) {</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>, entry.first.Min());</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>, entry.first.Max());</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> max_complexity = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> max_complexity, <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(entry.first.NumIntervals()));</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> }</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> absl::StrAppend(&result, <span class="stringliteral">" - "</span>, num_vars_per_domains.size(),</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="stringliteral">" different domains in ["</span>, <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>, <span class="stringliteral">","</span>, <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>,</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="stringliteral">"] with a largest complexity of "</span>, max_complexity, <span class="stringliteral">".\n"</span>);</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> }</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> </div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordflow">if</span> (num_constants > 0) {</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keyword">const</span> std::string temp =</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> absl::StrCat(<span class="stringliteral">" - "</span>, num_constants, <span class="stringliteral">" constants in {"</span>,</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> absl::StrJoin(constant_values, <span class="stringliteral">","</span>), <span class="stringliteral">"} \n"</span>);</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> absl::StrAppend(&result, Summarize(temp));</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> }</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> </div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> std::vector<std::string> constraints;</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> constraints.reserve(num_constraints_by_name.size());</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : num_constraints_by_name) {</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = entry.first;</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> constraints.push_back(absl::StrCat(<span class="stringliteral">"#"</span>, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">": "</span>, entry.second));</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(num_reif_constraints_by_name, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
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|
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> absl::StrAppend(&constraints.back(),</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="stringliteral">" (#enforced: "</span>, num_reif_constraints_by_name[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>], <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> }</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(name_to_num_literals, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
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|
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> absl::StrAppend(&constraints.back(),</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="stringliteral">" (#literals: "</span>, name_to_num_literals[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>], <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> }</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(name_to_num_terms, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
|
|
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> absl::StrAppend(&constraints.back(),</div>
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|
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="stringliteral">" (#terms: "</span>, name_to_num_terms[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>], <span class="stringliteral">")"</span>);</div>
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|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> }</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(name_to_num_complex_domain, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> absl::StrAppend(&constraints.back(),</div>
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|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="stringliteral">" (#complex_domain: "</span>, name_to_num_complex_domain[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>],</div>
|
|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
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|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> == <span class="stringliteral">"kNoOverlap2D"</span>) {</div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> absl::StrAppend(&constraints.back(),</div>
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|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="stringliteral">" (#rectangles: "</span>, no_overlap_2d_num_rectangles);</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">if</span> (no_overlap_2d_num_optional_rectangles > 0) {</div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> absl::StrAppend(&constraints.back(),</div>
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|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="stringliteral">", #optional: "</span>, no_overlap_2d_num_optional_rectangles);</div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> }</div>
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|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordflow">if</span> (no_overlap_2d_num_linear_areas > 0) {</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> absl::StrAppend(&constraints.back(),</div>
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|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="stringliteral">", #linear_areas: "</span>, no_overlap_2d_num_linear_areas);</div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> }</div>
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|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">if</span> (no_overlap_2d_num_quadratic_areas > 0) {</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> absl::StrAppend(&constraints.back(), <span class="stringliteral">", #quadratic_areas: "</span>,</div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> no_overlap_2d_num_quadratic_areas);</div>
|
|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> }</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> absl::StrAppend(&constraints.back(), <span class="stringliteral">")"</span>);</div>
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|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> == <span class="stringliteral">"kCumulative"</span>) {</div>
|
|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="stringliteral">" (#intervals: "</span>, cumulative_num_intervals);</div>
|
|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">if</span> (cumulative_num_optional_intervals > 0) {</div>
|
|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="stringliteral">", #optional: "</span>, cumulative_num_optional_intervals);</div>
|
|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> }</div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">if</span> (cumulative_num_variable_sizes > 0) {</div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="stringliteral">", #variable_sizes: "</span>, cumulative_num_variable_sizes);</div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> }</div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">if</span> (cumulative_num_variable_demands > 0) {</div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> absl::StrAppend(&constraints.back(), <span class="stringliteral">", #variable_demands: "</span>,</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> cumulative_num_variable_demands);</div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> }</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> absl::StrAppend(&constraints.back(), <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> == <span class="stringliteral">"kNoOverlap"</span>) {</div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="stringliteral">" (#intervals: "</span>, no_overlap_num_intervals);</div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">if</span> (no_overlap_num_optional_intervals > 0) {</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="stringliteral">", #optional: "</span>, no_overlap_num_optional_intervals);</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> }</div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keywordflow">if</span> (no_overlap_num_variable_sizes > 0) {</div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="stringliteral">", #variable_sizes: "</span>, no_overlap_num_variable_sizes);</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> absl::StrAppend(&constraints.back(), <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> }</div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> }</div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> std::sort(constraints.begin(), constraints.end());</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> absl::StrAppend(&result, absl::StrJoin(constraints, <span class="stringliteral">"\n"</span>));</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> </div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span>}</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> </div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332"> 496</a></span>std::string <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="keywordtype">bool</span> has_objective) {</div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> std::string result;</div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> absl::StrAppend(&result, <span class="stringliteral">"CpSolverResponse summary:"</span>);</div>
|
|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> absl::StrAppend(&result, <span class="stringliteral">"\nstatus: "</span>,</div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> ProtoEnumToString<CpSolverStatus>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()));</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> </div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keywordflow">if</span> (has_objective && <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() != CpSolverStatus::INFEASIBLE) {</div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> absl::StrAppendFormat(&result, <span class="stringliteral">"\nobjective: %.16g"</span>,</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> absl::StrAppendFormat(&result, <span class="stringliteral">"\nbest_bound: %.16g"</span>,</div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound());</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> absl::StrAppend(&result, <span class="stringliteral">"\nobjective: NA"</span>);</div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> absl::StrAppend(&result, <span class="stringliteral">"\nbest_bound: NA"</span>);</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> }</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> </div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> absl::StrAppend(&result, <span class="stringliteral">"\nbooleans: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_booleans());</div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> absl::StrAppend(&result, <span class="stringliteral">"\nconflicts: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_conflicts());</div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> absl::StrAppend(&result, <span class="stringliteral">"\nbranches: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_branches());</div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> </div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="comment">// TODO(user): This is probably better named "binary_propagation", but we just</span></div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="comment">// output "propagations" to be consistent with sat/analyze.sh.</span></div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> absl::StrAppend(&result,</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="stringliteral">"\npropagations: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_binary_propagations());</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> absl::StrAppend(</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> &result, <span class="stringliteral">"\ninteger_propagations: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_integer_propagations());</div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> </div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> absl::StrAppend(&result, <span class="stringliteral">"\nrestarts: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_restarts());</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> absl::StrAppend(&result, <span class="stringliteral">"\nlp_iterations: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_lp_iterations());</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> absl::StrAppend(&result, <span class="stringliteral">"\nwalltime: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.wall_time());</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> absl::StrAppend(&result, <span class="stringliteral">"\nusertime: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.user_time());</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> absl::StrAppend(&result,</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="stringliteral">"\ndeterministic_time: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.deterministic_time());</div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> absl::StrAppend(&result, <span class="stringliteral">"\ngap_integral: "</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.gap_integral());</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> absl::StrAppend(&result, <span class="stringliteral">"\n"</span>);</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span>}</div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> </div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span><span class="keywordtype">void</span> FillSolutionInResponse(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <span class="keyword">const</span> Model& <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution();</div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> </div>
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<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get<CpModelMapping>();</div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keyword">auto</span>* trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get<<a class="code hl_struct" href="structoperations__research_1_1_trail.html">Trail</a>>();</div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> </div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> std::vector<int64_t> solution;</div>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(); ++i) {</div>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordflow">if</span> (mapping->IsInteger(i)) {</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(i);</div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> </div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="comment">// For ignored or not fully instantiated variable, we just use the</span></div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// lower bound.</span></div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> solution.push_back(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3ad49ae9019c528851f6fd084479a567">LowerBound</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)));</div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(mapping->IsBoolean(i));</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keyword">const</span> Literal <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = mapping-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_literal.html#a03f5ae0ce9819070959d97a8ba3fafeb">Literal</a>(i);</div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keywordflow">if</span> (trail->Assignment().LiteralIsAssigned(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> solution.push_back(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a96eab70b5ead3894afac4d4fff0fd984">Value</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)));</div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="comment">// Just use the lower bound if the variable is not fully instantiated.</span></div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> solution.push_back(0);</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> }</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> }</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> }</div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> </div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a> ||</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> absl::GetFlag(FLAGS_cp_model_check_intermediate_solutions)) {</div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="comment">// TODO(user): Checks against initial model.</span></div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, solution));</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> }</div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : solution) {</div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> }</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span>}</div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> </div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> </div>
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span>IntegerVariable GetOrCreateVariableWithTightBound(</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="keyword">const</span> std::vector<std::pair<IntegerVariable, int64_t>>& terms,</div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordflow">if</span> (terms.empty()) <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a64664019450638ab96732f0b59ea015b">ConstantIntegerVariable</a>(0));</div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == 1) {</div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">return</span> terms.front().first;</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> }</div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == -1) {</div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(terms.front().first);</div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> }</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> </div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> int64_t sum_min = 0;</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> int64_t sum_max = 0;</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::pair<IntegerVariable, int64_t>& var_coeff : terms) {</div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="keyword">const</span> int64_t min_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a3ad49ae9019c528851f6fd084479a567">LowerBound</a>(var_coeff.first));</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="keyword">const</span> int64_t max_domain = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7">UpperBound</a>(var_coeff.first));</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a> = var_coeff.second;</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="keyword">const</span> int64_t prod1 = min_domain * <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>;</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="keyword">const</span> int64_t prod2 = max_domain * <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>;</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> sum_min += <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(prod1, prod2);</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> sum_max += <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(prod1, prod2);</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> }</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab186c7ad5f0930615f096f56e1499d30">NewIntegerVariable</a>(sum_min, sum_max));</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span>}</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> </div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span>IntegerVariable GetOrCreateVariableGreaterOrEqualToSumOf(</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keyword">const</span> std::vector<std::pair<IntegerVariable, int64_t>>& terms,</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="keywordflow">if</span> (terms.empty()) <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a64664019450638ab96732f0b59ea015b">ConstantIntegerVariable</a>(0));</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == 1) {</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordflow">return</span> terms.front().first;</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> }</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == -1) {</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(terms.front().first);</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> }</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> </div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="comment">// Create a new variable and link it with the linear terms.</span></div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keyword">const</span> IntegerVariable new_var =</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> GetOrCreateVariableWithTightBound(terms, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> std::vector<IntegerVariable> vars;</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> std::vector<int64_t> coeffs;</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& term : terms) {</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> vars.push_back(term.first);</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> coeffs.push_back(term.second);</div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> vars.push_back(new_var);</div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> coeffs.push_back(-1);</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a2d7fdf5a1e3a1a9f3c4b893227f2f523">WeightedSumLowerOrEqual</a>(vars, coeffs, 0));</div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keywordflow">return</span> new_var;</div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span>}</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> </div>
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<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span><span class="comment">// Adds one LinearProgrammingConstraint per connected component of the model.</span></div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span>IntegerVariable AddLPConstraints(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* m) {</div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <span class="keyword">const</span> LinearRelaxation relaxation = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af68ee38b3d32ecb81072b0cc4d28226b">ComputeLinearRelaxation</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, m);</div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> </div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="comment">// The bipartite graph of LP constraints might be disconnected:</span></div>
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<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="comment">// make a partition of the variables into connected components.</span></div>
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> <span class="comment">// Constraint nodes are indexed by [0..num_lp_constraints),</span></div>
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<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <span class="comment">// variable nodes by [num_lp_constraints..num_lp_constraints+num_variables).</span></div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <span class="comment">// TODO(user): look into biconnected components.</span></div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_constraints = relaxation.linear_constraints.size();</div>
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<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_cut_generators = relaxation.cut_generators.size();</div>
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<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_integer_variables =</div>
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<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> m->GetOrCreate<IntegerTrail>()->NumIntegerVariables().value();</div>
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<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <a class="code hl_class" href="class_dense_connected_components_finder.html">DenseConnectedComponentsFinder</a> components;</div>
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<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> components.<a class="code hl_function" href="class_dense_connected_components_finder.html#ad8e718920ab9683d39af650d714cffe1">SetNumberOfNodes</a>(num_lp_constraints + num_lp_cut_generators +</div>
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<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> num_integer_variables);</div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keyword">auto</span> get_constraint_index = [](<span class="keywordtype">int</span> ct_index) { <span class="keywordflow">return</span> ct_index; };</div>
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<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> <span class="keyword">auto</span> get_cut_generator_index = [num_lp_constraints](<span class="keywordtype">int</span> cut_index) {</div>
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<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keywordflow">return</span> num_lp_constraints + cut_index;</div>
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<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> };</div>
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<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> <span class="keyword">auto</span> get_var_index = [num_lp_constraints,</div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> num_lp_cut_generators](IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="keywordflow">return</span> num_lp_constraints + num_lp_cut_generators + <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value();</div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> };</div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : relaxation.linear_constraints[i].vars) {</div>
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<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> components.<a class="code hl_function" href="class_dense_connected_components_finder.html#a428ab6b7c944afe33bd86a6a1ae7e668">AddEdge</a>(get_constraint_index(i), get_var_index(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> }</div>
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<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> }</div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; ++i) {</div>
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<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : relaxation.cut_generators[i].vars) {</div>
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<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> components.<a class="code hl_function" href="class_dense_connected_components_finder.html#a428ab6b7c944afe33bd86a6a1ae7e668">AddEdge</a>(get_cut_generator_index(i), get_var_index(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> }</div>
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<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> }</div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> </div>
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<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_components = components.<a class="code hl_function" href="class_dense_connected_components_finder.html#af1a300e659dbc3041b1485f12855bd31">GetNumberOfComponents</a>();</div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> std::vector<int> component_sizes(num_components, 0);</div>
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<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="keyword">const</span> std::vector<int> index_to_component = components.<a class="code hl_function" href="class_dense_connected_components_finder.html#a74aadb96adc6f37110393d5fbd2279c5">GetComponentIds</a>();</div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
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<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> ++component_sizes[index_to_component[get_constraint_index(i)]];</div>
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<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> }</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; i++) {</div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> ++component_sizes[index_to_component[get_cut_generator_index(i)]];</div>
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<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> }</div>
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<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> </div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="comment">// Make sure any constraint that touch the objective is not discarded even</span></div>
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<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="comment">// if it is the only one in its component. This is important to propagate</span></div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">// as much as possible the objective bound by using any bounds the LP give</span></div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="comment">// us on one of its components. This is critical on the zephyrus problems for</span></div>
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<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="comment">// instance.</span></div>
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<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> <span class="keyword">auto</span>* mapping = m->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
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<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
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<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> mapping->Integer(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
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<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> ++component_sizes[index_to_component[get_var_index(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)]];</div>
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<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> }</div>
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<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> </div>
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<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="comment">// Dispatch every constraint to its LinearProgrammingConstraint.</span></div>
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<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> std::vector<LinearProgrammingConstraint*> lp_constraints(num_components,</div>
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<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> std::vector<std::vector<LinearConstraint>> component_to_constraints(</div>
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<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> num_components);</div>
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<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
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<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_constraint_index(i)];</div>
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<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keywordflow">if</span> (component_sizes[c] <= 1) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> component_to_constraints[c].push_back(relaxation.linear_constraints[i]);</div>
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<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keywordflow">if</span> (lp_constraints[c] == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> lp_constraints[c] = m->Create<LinearProgrammingConstraint>();</div>
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<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> }</div>
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<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> <span class="comment">// Load the constraint.</span></div>
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<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> lp_constraints[c]->AddLinearConstraint(relaxation.linear_constraints[i]);</div>
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<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> }</div>
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<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> </div>
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<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <span class="comment">// Dispatch every cut generator to its LinearProgrammingConstraint.</span></div>
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<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; i++) {</div>
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<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_cut_generator_index(i)];</div>
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<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> <span class="keywordflow">if</span> (lp_constraints[c] == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> lp_constraints[c] = m->Create<LinearProgrammingConstraint>();</div>
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<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
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<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> lp_constraints[c]->AddCutGenerator(std::move(relaxation.cut_generators[i]));</div>
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<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> }</div>
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<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> </div>
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<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> <span class="comment">// Add the objective.</span></div>
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<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> std::vector<std::vector<std::pair<IntegerVariable, int64_t>>></div>
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<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> component_to_cp_terms(num_components);</div>
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<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> std::vector<std::pair<IntegerVariable, int64_t>> top_level_cp_terms;</div>
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<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="keywordtype">int</span> num_components_containing_objective = 0;</div>
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<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
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<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> <span class="comment">// First pass: set objective coefficients on the lp constraints, and store</span></div>
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<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="comment">// the cp terms in one vector per component.</span></div>
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<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
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<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
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<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> mapping->Integer(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
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<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs(i);</div>
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<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_var_index(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)];</div>
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<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> <span class="keywordflow">if</span> (lp_constraints[c] != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> lp_constraints[c]->SetObjectiveCoefficient(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(<a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>));</div>
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<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> component_to_cp_terms[c].push_back(std::make_pair(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>));</div>
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<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="comment">// Component is too small. We still need to store the objective term.</span></div>
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<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> top_level_cp_terms.push_back(std::make_pair(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>));</div>
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<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> }</div>
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<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> }</div>
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<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="comment">// Second pass: Build the cp sub-objectives per component.</span></div>
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<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < num_components; ++c) {</div>
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<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="keywordflow">if</span> (component_to_cp_terms[c].empty()) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="keyword">const</span> IntegerVariable sub_obj_var =</div>
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<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> GetOrCreateVariableGreaterOrEqualToSumOf(component_to_cp_terms[c], m);</div>
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<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> top_level_cp_terms.push_back(std::make_pair(sub_obj_var, 1));</div>
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<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> lp_constraints[c]->SetMainObjectiveVariable(sub_obj_var);</div>
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<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> num_components_containing_objective++;</div>
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<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> }</div>
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<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> }</div>
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<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> </div>
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<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <span class="keyword">const</span> IntegerVariable main_objective_var =</div>
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<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()</div>
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<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> ? GetOrCreateVariableGreaterOrEqualToSumOf(top_level_cp_terms, m)</div>
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<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
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<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> </div>
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<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> <span class="comment">// Register LP constraints. Note that this needs to be done after all the</span></div>
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<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <span class="comment">// constraints have been added.</span></div>
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<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <span class="keywordflow">for</span> (LinearProgrammingConstraint* lp_constraint : lp_constraints) {</div>
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<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <span class="keywordflow">if</span> (lp_constraint == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> lp_constraint->RegisterWith(m);</div>
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<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"LP constraint: "</span> << lp_constraint->DimensionString() << <span class="stringliteral">"."</span>;</div>
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<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> }</div>
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<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> </div>
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<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << top_level_cp_terms.size()</div>
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<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> << <span class="stringliteral">" terms in the main objective linear equation ("</span></div>
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<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> << num_components_containing_objective << <span class="stringliteral">" from LP constraints)."</span>;</div>
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|
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> <span class="keywordflow">return</span> main_objective_var;</div>
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|
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span>}</div>
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<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> </div>
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<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span>} <span class="comment">// namespace</span></div>
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|
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> </div>
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<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span><span class="comment">// Used by NewFeasibleSolutionObserver to register observers.</span></div>
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<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html"> 769</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structoperations__research_1_1sat_1_1_solution_observers.html">SolutionObservers</a> {</div>
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<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html#ab49fe52363a312a57d8ec01682891596"> 770</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_solution_observers.html#ab49fe52363a312a57d8ec01682891596">SolutionObservers</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {}</div>
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<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html#a9615658aae5d7fd8407ea4477e49789e"> 771</a></span> std::vector<std::function<void(<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)>> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_solution_observers.html#a9615658aae5d7fd8407ea4477e49789e">observers</a>;</div>
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|
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span>};</div>
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<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> </div>
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<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0"> 774</a></span>std::function<void(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">NewFeasibleSolutionObserver</a>(</div>
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<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)>& observer) {</div>
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<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keywordflow">return</span> [=](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_struct" href="structoperations__research_1_1sat_1_1_solution_observers.html">SolutionObservers</a>>()->observers.push_back(observer);</div>
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<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> };</div>
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<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span>}</div>
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<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> </div>
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<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
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<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span><span class="comment">// TODO(user): Support it on android.</span></div>
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<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57"> 783</a></span>std::function<SatParameters(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(</div>
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<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> <span class="keyword">const</span> std::string& params) {</div>
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<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> sat::SatParameters <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
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<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> <span class="keywordflow">if</span> (!params.empty()) {</div>
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<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(google::protobuf::TextFormat::ParseFromString(params, &<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>))</div>
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<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> << params;</div>
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<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> }</div>
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<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
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<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span>}</div>
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<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
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<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> </div>
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<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a4bd54ab16ebc1bd6fa80d1e23ab79adc"> 794</a></span>std::function<SatParameters(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(</div>
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<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keyword">const</span> sat::SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
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<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="keywordflow">return</span> [=](<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <span class="comment">// Tricky: It is important to initialize the model parameters before any</span></div>
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<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="comment">// of the solver object are created, so that by default they use the given</span></div>
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<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// parameters.</span></div>
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<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="comment">// TODO(user): A notable exception to this is the TimeLimit which is</span></div>
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<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> <span class="comment">// currently not initializing itself from the SatParameters in the model. It</span></div>
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<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> <span class="comment">// will also starts counting from the time of its creation. It will be good</span></div>
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<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <span class="comment">// to find a solution that is less error prone.</span></div>
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<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>() = <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
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<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
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<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> };</div>
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<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span>}</div>
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<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> </div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> </div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span><span class="comment">// Registers a callback that will export variables bounds fixed at level 0 of</span></div>
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<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span><span class="comment">// the search. This should not be registered to a LNS search.</span></div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span><span class="keywordtype">void</span> RegisterVariableBoundsLevelZeroExport(</div>
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<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> <span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, SharedBoundsManager* shared_bounds_manager,</div>
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<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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|
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(shared_bounds_manager != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> </div>
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<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> <span class="keyword">auto</span>* trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<<a class="code hl_struct" href="structoperations__research_1_1_trail.html">Trail</a>>();</div>
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|
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<IntegerTrail>();</div>
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|
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> </div>
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<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="keywordtype">int</span> saved_trail_index = 0;</div>
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<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> std::vector<int> model_variables;</div>
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<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> std::vector<int64_t> new_lower_bounds;</div>
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<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> std::vector<int64_t> new_upper_bounds;</div>
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<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> absl::flat_hash_set<int> visited_variables;</div>
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<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> </div>
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<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> <span class="keyword">auto</span> broadcast_level_zero_bounds =</div>
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<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> [=](<span class="keyword">const</span> std::vector<IntegerVariable>& modified_vars) <span class="keyword">mutable</span> {</div>
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<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> <span class="comment">// Inspect the modified IntegerVariables.</span></div>
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<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable& <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : modified_vars) {</div>
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<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keyword">const</span> IntegerVariable positive_var = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="keyword">const</span> <span class="keywordtype">int</span> model_var =</div>
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<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> mapping->GetProtoVariableFromIntegerVariable(positive_var);</div>
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<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> </div>
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<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <span class="keywordflow">if</span> (model_var == -1) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keyword">const</span> <span class="keyword">auto</span> [_, inserted] = visited_variables.insert(model_var);</div>
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<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> <span class="keywordflow">if</span> (!inserted) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> </div>
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<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> <span class="keyword">const</span> int64_t new_lb =</div>
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<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> integer_trail->LevelZeroLowerBound(positive_var).value();</div>
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<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <span class="keyword">const</span> int64_t new_ub =</div>
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<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> integer_trail->LevelZeroUpperBound(positive_var).value();</div>
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<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> </div>
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<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <span class="comment">// TODO(user): We could imagine an API based on atomic<int64_t></span></div>
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<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> <span class="comment">// that could preemptively check if this new bounds are improving.</span></div>
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<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> model_variables.push_back(model_var);</div>
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<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> new_lower_bounds.push_back(new_lb);</div>
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<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> new_upper_bounds.push_back(new_ub);</div>
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<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> }</div>
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<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> </div>
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<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <span class="comment">// Inspect the newly modified Booleans.</span></div>
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<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> <span class="keywordflow">for</span> (; saved_trail_index < trail->Index(); ++saved_trail_index) {</div>
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<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> <span class="keyword">const</span> Literal fixed_literal = (*trail)[saved_trail_index];</div>
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<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> <span class="keyword">const</span> <span class="keywordtype">int</span> model_var = mapping->GetProtoVariableFromBooleanVariable(</div>
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<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> fixed_literal.Variable());</div>
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<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> </div>
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<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> <span class="keywordflow">if</span> (model_var == -1) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <span class="keyword">const</span> <span class="keyword">auto</span> [_, inserted] = visited_variables.insert(model_var);</div>
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<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="keywordflow">if</span> (!inserted) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> </div>
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<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> model_variables.push_back(model_var);</div>
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<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> <span class="keywordflow">if</span> (fixed_literal.IsPositive()) {</div>
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<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> new_lower_bounds.push_back(1);</div>
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<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> new_upper_bounds.push_back(1);</div>
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<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> new_lower_bounds.push_back(0);</div>
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<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> new_upper_bounds.push_back(0);</div>
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<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> }</div>
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<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> }</div>
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<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> </div>
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<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <span class="keywordflow">if</span> (!model_variables.empty()) {</div>
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<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> shared_bounds_manager->ReportPotentialNewBounds(</div>
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<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), model_variables, new_lower_bounds,</div>
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<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> new_upper_bounds);</div>
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<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> </div>
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<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> <span class="comment">// Clear for next call.</span></div>
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<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> model_variables.clear();</div>
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<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> new_lower_bounds.clear();</div>
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<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> new_upper_bounds.clear();</div>
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<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> visited_variables.clear();</div>
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<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> </div>
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<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="comment">// If we are not in interleave_search we synchronize right away.</span></div>
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<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<SatParameters>()->interleave_search()) {</div>
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<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> shared_bounds_manager->Synchronize();</div>
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<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> }</div>
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<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> }</div>
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<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> };</div>
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<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> </div>
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<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> <span class="comment">// The callback will just be called on NEWLY modified var. So initially,</span></div>
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<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="comment">// we do want to read all variables.</span></div>
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<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <span class="comment">// TODO(user): Find a better way? It seems nicer to register this before</span></div>
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<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <span class="comment">// any variable is modified. But then we don't want to call it each time</span></div>
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<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="comment">// we reach level zero during probing. It should be better to only call</span></div>
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<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// it when a new variable has been fixed.</span></div>
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<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="keyword">const</span> IntegerVariable num_vars =</div>
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<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>()->NumIntegerVariables();</div>
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<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> std::vector<IntegerVariable> all_variables;</div>
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<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> all_variables.reserve(num_vars.value());</div>
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<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> <span class="keywordflow">for</span> (IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>(0); <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> < num_vars; ++<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> all_variables.push_back(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> }</div>
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<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> broadcast_level_zero_bounds(all_variables);</div>
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<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> </div>
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<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<GenericLiteralWatcher>()</div>
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<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> ->RegisterLevelZeroModifiedVariablesCallback(broadcast_level_zero_bounds);</div>
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<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span>}</div>
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<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> </div>
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<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span><span class="comment">// Registers a callback to import new variables bounds stored in the</span></div>
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<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span><span class="comment">// shared_bounds_manager. These bounds are imported at level 0 of the search</span></div>
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<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span><span class="comment">// in the linear scan minimize function.</span></div>
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<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span><span class="keywordtype">void</span> RegisterVariableBoundsLevelZeroImport(</div>
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<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, SharedBoundsManager* shared_bounds_manager,</div>
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<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(shared_bounds_manager != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
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<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> CpModelMapping* <span class="keyword">const</span> mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = shared_bounds_manager->RegisterNewId();</div>
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<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> </div>
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<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> <span class="keyword">const</span> <span class="keyword">auto</span>& import_level_zero_bounds = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, shared_bounds_manager,</div>
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<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, integer_trail, id, mapping]() {</div>
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<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> std::vector<int> model_variables;</div>
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<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> std::vector<int64_t> new_lower_bounds;</div>
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<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> std::vector<int64_t> new_upper_bounds;</div>
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<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> shared_bounds_manager->GetChangedBounds(</div>
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<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> <span class="keywordtype">id</span>, &model_variables, &new_lower_bounds, &new_upper_bounds);</div>
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<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="keywordtype">bool</span> new_bounds_have_been_imported = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < model_variables.size(); ++i) {</div>
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<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keyword">const</span> <span class="keywordtype">int</span> model_var = model_variables[i];</div>
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<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="comment">// This can happen if a boolean variables is forced to have an</span></div>
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<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> <span class="comment">// integer view in one thread, and not in another thread.</span></div>
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<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="keywordflow">if</span> (!mapping->IsInteger(model_var)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(model_var);</div>
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<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> <span class="keyword">const</span> IntegerValue new_lb(new_lower_bounds[i]);</div>
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<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> <span class="keyword">const</span> IntegerValue new_ub(new_upper_bounds[i]);</div>
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<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> <span class="keyword">const</span> IntegerValue old_lb = integer_trail->LowerBound(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> <span class="keyword">const</span> IntegerValue old_ub = integer_trail->UpperBound(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> changed_lb = new_lb > old_lb;</div>
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<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> changed_ub = new_ub < old_ub;</div>
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<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <span class="keywordflow">if</span> (!changed_lb && !changed_ub) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> </div>
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<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> new_bounds_have_been_imported = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(3)) {</div>
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<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="keyword">const</span> IntegerVariableProto& var_proto =</div>
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<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(model_var);</div>
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<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keyword">const</span> std::string& var_name =</div>
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<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> var_proto.name().empty()</div>
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<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> ? absl::StrCat(<span class="stringliteral">"anonymous_var("</span>, model_var, <span class="stringliteral">")"</span>)</div>
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<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> : var_proto.<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>();</div>
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<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" '"</span> << <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name() << <span class="stringliteral">"' imports new bounds for "</span></div>
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<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> << var_name << <span class="stringliteral">": from ["</span> << old_lb << <span class="stringliteral">", "</span> << old_ub</div>
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<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> << <span class="stringliteral">"] to ["</span> << new_lb << <span class="stringliteral">", "</span> << new_ub << <span class="stringliteral">"]"</span>;</div>
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<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> }</div>
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<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> </div>
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<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="keywordflow">if</span> (changed_lb &&</div>
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<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> !integer_trail->Enqueue(<a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_lb),</div>
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<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> {}, {})) {</div>
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<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> }</div>
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<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> <span class="keywordflow">if</span> (changed_ub &&</div>
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<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> !integer_trail->Enqueue(<a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_ub), {},</div>
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<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> {})) {</div>
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|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> }</div>
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|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> }</div>
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<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="keywordflow">if</span> (new_bounds_have_been_imported &&</div>
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<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> !<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->FinishPropagation()) {</div>
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|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> }</div>
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|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> };</div>
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<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LevelZeroCallbackHelper>()->callbacks.push_back(</div>
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|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> import_level_zero_bounds);</div>
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|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span>}</div>
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|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> </div>
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<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span><span class="comment">// Registers a callback that will report improving objective best bound.</span></div>
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|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span><span class="comment">// It will be called each time new objective bound are propagated at level zero.</span></div>
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|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span><span class="keywordtype">void</span> RegisterObjectiveBestBoundExport(</div>
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|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> IntegerVariable objective_var,</div>
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|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> SharedResponseManager* shared_response_manager, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<IntegerTrail>();</div>
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|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keyword">const</span> <span class="keyword">auto</span> broadcast_objective_lower_bound =</div>
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|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> [objective_var, integer_trail, shared_response_manager,</div>
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<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>](<span class="keyword">const</span> std::vector<IntegerVariable>& unused) {</div>
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<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> shared_response_manager->UpdateInnerObjectiveBounds(</div>
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|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), integer_trail->LevelZeroLowerBound(objective_var),</div>
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|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> integer_trail->LevelZeroUpperBound(objective_var));</div>
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|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="comment">// If we are not in interleave_search we synchronize right away.</span></div>
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|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<SatParameters>()->interleave_search()) {</div>
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|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> shared_response_manager->Synchronize();</div>
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|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> }</div>
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|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> };</div>
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|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<GenericLiteralWatcher>()</div>
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|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> ->RegisterLevelZeroModifiedVariablesCallback(</div>
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|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> broadcast_objective_lower_bound);</div>
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|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span>}</div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> </div>
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|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span><span class="comment">// Registers a callback to import new objective bounds. It will be called each</span></div>
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|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span><span class="comment">// time the search main loop is back to level zero. Note that it the presence of</span></div>
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|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span><span class="comment">// assumptions, this will not happen until the set of assumptions is changed.</span></div>
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|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span><span class="keywordtype">void</span> RegisterObjectiveBoundsImport(</div>
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|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> SharedResponseManager* shared_response_manager, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="keyword">auto</span>* solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
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|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
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|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="keyword">auto</span>* objective = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
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|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="keyword">const</span> std::string <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
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|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="keyword">const</span> <span class="keyword">auto</span> import_objective_bounds = [<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, solver, integer_trail, objective,</div>
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|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> shared_response_manager]() {</div>
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|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <span class="keywordflow">if</span> (solver->AssumptionLevel() != 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <span class="keywordtype">bool</span> propagate = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> </div>
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|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <span class="keyword">const</span> IntegerValue external_lb =</div>
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|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> shared_response_manager->SynchronizedInnerObjectiveLowerBound();</div>
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|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="keyword">const</span> IntegerValue current_lb =</div>
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|
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> integer_trail->LowerBound(objective->objective_var);</div>
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<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="keywordflow">if</span> (external_lb > current_lb) {</div>
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|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <span class="keywordflow">if</span> (!integer_trail->Enqueue(<a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(</div>
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|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> objective->objective_var, external_lb),</div>
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<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> {}, {})) {</div>
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|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> }</div>
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|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> propagate = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> }</div>
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|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> </div>
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<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="keyword">const</span> IntegerValue external_ub =</div>
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|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> shared_response_manager->SynchronizedInnerObjectiveUpperBound();</div>
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|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="keyword">const</span> IntegerValue current_ub =</div>
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|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> integer_trail->UpperBound(objective->objective_var);</div>
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<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="keywordflow">if</span> (external_ub < current_ub) {</div>
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<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="keywordflow">if</span> (!integer_trail->Enqueue(<a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(</div>
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|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> objective->objective_var, external_ub),</div>
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|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> {}, {})) {</div>
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|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> }</div>
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|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> propagate = <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> }</div>
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|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> </div>
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<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keywordflow">if</span> (!propagate) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> </div>
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|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"'"</span> << <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> << <span class="stringliteral">"' imports objective bounds: external ["</span></div>
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<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> << objective->ScaleIntegerObjective(external_lb) << <span class="stringliteral">", "</span></div>
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|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> << objective->ScaleIntegerObjective(external_ub) << <span class="stringliteral">"], current ["</span></div>
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|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> << objective->ScaleIntegerObjective(current_lb) << <span class="stringliteral">", "</span></div>
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|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> << objective->ScaleIntegerObjective(current_ub) << <span class="stringliteral">"]"</span>;</div>
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|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> </div>
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|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> <span class="keywordflow">return</span> solver->FinishPropagation();</div>
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|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> };</div>
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|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> </div>
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|
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LevelZeroCallbackHelper>()->callbacks.push_back(</div>
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|
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> import_objective_bounds);</div>
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|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span>}</div>
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|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> </div>
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<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span><span class="comment">// Registers a callback that will export non-problem clauses added during</span></div>
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|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span><span class="comment">// search.</span></div>
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|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span><span class="keywordtype">void</span> RegisterClausesExport(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, SharedClausesManager* shared_clauses_manager,</div>
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<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> <span class="keyword">auto</span>* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
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<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="keyword">const</span> <span class="keyword">auto</span>& share_binary_clause = [mapping, id, shared_clauses_manager](</div>
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<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> Literal l1, Literal l2) {</div>
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<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var1 =</div>
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<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> mapping->GetProtoVariableFromBooleanVariable(l1.Variable());</div>
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<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <span class="keywordflow">if</span> (var1 == -1) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var2 =</div>
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<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> mapping->GetProtoVariableFromBooleanVariable(l2.Variable());</div>
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<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="keywordflow">if</span> (var2 == -1) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lit1 = l1.IsPositive() ? var1 : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(var1);</div>
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<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lit2 = l2.IsPositive() ? var2 : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(var2);</div>
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<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> shared_clauses_manager->AddBinaryClause(<span class="keywordtype">id</span>, lit1, lit2);</div>
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<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> };</div>
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<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> sat_solver->SetShareBinaryClauseCallback(share_binary_clause);</div>
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<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span>}</div>
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<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> </div>
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<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span><span class="comment">// Registers a callback to import new clauses stored in the</span></div>
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<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span><span class="comment">// shared_clausess_manager. These clauses are imported at level 0 of the search</span></div>
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<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span><span class="comment">// in the linear scan minimize function.</span></div>
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<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span><span class="comment">// it returns the id of the worker in the shared clause manager.</span></div>
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<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span><span class="comment">//</span></div>
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<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span><span class="comment">// TODO(user): Can we import them in the core worker ?</span></div>
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<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span><span class="keywordtype">int</span> RegisterClausesLevelZeroImport(<span class="keywordtype">int</span> <span class="keywordtype">id</span>,</div>
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<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> SharedClausesManager* shared_clauses_manager,</div>
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<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(shared_clauses_manager != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> CpModelMapping* <span class="keyword">const</span> mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> SatSolver* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
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<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> <span class="keyword">const</span> <span class="keyword">auto</span>& import_level_zero_clauses = [shared_clauses_manager, id, mapping,</div>
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<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> sat_solver]() {</div>
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<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> std::vector<std::pair<int, int>> new_binary_clauses;</div>
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<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> shared_clauses_manager->GetUnseenBinaryClauses(<span class="keywordtype">id</span>, &new_binary_clauses);</div>
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<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [ref1, ref2] : new_binary_clauses) {</div>
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<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> <span class="keyword">const</span> Literal l1 = mapping->Literal(ref1);</div>
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<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> <span class="keyword">const</span> Literal l2 = mapping->Literal(ref2);</div>
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<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> <span class="keywordflow">if</span> (!sat_solver->AddBinaryClause(l1, l2)) {</div>
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<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> }</div>
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<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> }</div>
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<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> };</div>
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<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LevelZeroCallbackHelper>()->callbacks.push_back(</div>
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<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> import_level_zero_clauses);</div>
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<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> <span class="keywordflow">return</span> id;</div>
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<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span>}</div>
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<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> </div>
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<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span><span class="keywordtype">void</span> LoadBaseModel(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SharedResponseManager>();</div>
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<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(shared_response_manager != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> <span class="keyword">auto</span>* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
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|
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> </div>
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<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <span class="comment">// Simple function for the few places where we do "return unsat()".</span></div>
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|
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <span class="keyword">const</span> <span class="keyword">auto</span> unsat = [shared_response_manager, sat_solver, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>] {</div>
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|
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> sat_solver->NotifyThatModelIsUnsat();</div>
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|
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
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|
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> absl::StrCat(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), <span class="stringliteral">" [loading]"</span>));</div>
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<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> };</div>
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|
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> </div>
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|
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> <span class="comment">// We will add them all at once after model_proto is loaded.</span></div>
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|
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerEncoder>()->DisableImplicationBetweenLiteral();</div>
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|
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> </div>
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<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
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<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> view_all_booleans_as_integers =</div>
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<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() >= 2) ||</div>
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<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.search_branching() == SatParameters::FIXED_SEARCH &&</div>
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<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.search_strategy().empty()) ||</div>
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<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_max_hs();</div>
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<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1a6eefe7a5bfd8bdf83407c9e6af56f5">LoadVariables</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, view_all_booleans_as_integers, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa3361a48335b9de95fcefa9dc5dc3e22">DetectOptionalVariables</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> </div>
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<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span> <span class="comment">// TODO(user): The core algo and symmetries seems to be problematic in some</span></div>
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<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> <span class="comment">// cases. See for instance: neos-691058.mps.gz. This is probably because as</span></div>
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<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> <span class="comment">// we modify the model, our symmetry might be wrong? investigate.</span></div>
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<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core() && <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.symmetry_level() > 1 &&</div>
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<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> !<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.enumerate_all_solutions()) {</div>
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<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4af0100d434de55ff841156fdac6d180">LoadBooleanSymmetries</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> }</div>
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<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> </div>
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<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ad78bf6fcea4b54f750e2457e47b4f46a">ExtractEncoding</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a238dd948ee65a553d4617753c0d44d7b">ExtractElementEncoding</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#adfbeb7391a9578a4cdba60c46b05e19e">PropagateEncodingFromEquivalenceRelations</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
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<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> <span class="comment">// Check the model is still feasible before continuing.</span></div>
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<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> <span class="keywordflow">if</span> (sat_solver->IsModelUnsat()) <span class="keywordflow">return</span> unsat();</div>
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<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> </div>
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<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> <span class="comment">// Fully encode variables as needed by the search strategy.</span></div>
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<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acbee1df94bc06fb7ca19708cd82a21e3">AddFullEncodingFromSearchBranching</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> </div>
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<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <span class="comment">// Load the constraints.</span></div>
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<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span> absl::btree_set<std::string> unsupported_types;</div>
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<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> <span class="keywordtype">int</span> num_ignored_constraints = 0;</div>
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<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
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<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> <span class="keywordflow">if</span> (mapping->ConstraintIsAlreadyLoaded(&<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) {</div>
|
|
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> ++num_ignored_constraints;</div>
|
|
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> }</div>
|
|
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> </div>
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|
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1c3fa75911c74ce485e62814484c7ae7">LoadConstraint</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)) {</div>
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|
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> unsupported_types.insert(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()));</div>
|
|
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> }</div>
|
|
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> </div>
|
|
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> <span class="comment">// We propagate after each new Boolean constraint but not the integer</span></div>
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|
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="comment">// ones. So we call FinishPropagation() manually here.</span></div>
|
|
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="comment">// Note that we only do that in debug mode as this can be really slow on</span></div>
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|
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> <span class="comment">// certain types of problems with millions of constraints.</span></div>
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|
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a>) {</div>
|
|
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <span class="keywordflow">if</span> (sat_solver->FinishPropagation()) {</div>
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|
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> Trail* trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<Trail>();</div>
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|
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_fixed = trail->Index();</div>
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|
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> <span class="keywordflow">if</span> (trail->Index() > old_num_fixed) {</div>
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|
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"Constraint fixed "</span> << trail->Index() - old_num_fixed</div>
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|
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> << <span class="stringliteral">" Boolean variable(s): "</span> << <a class="code hl_function" href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">ProtobufDebugString</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> }</div>
|
|
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> }</div>
|
|
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> }</div>
|
|
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> <span class="keywordflow">if</span> (sat_solver->IsModelUnsat()) {</div>
|
|
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"UNSAT during extraction (after adding '"</span></div>
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|
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> << <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) << <span class="stringliteral">"'). "</span></div>
|
|
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> << <a class="code hl_function" href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">ProtobufDebugString</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> }</div>
|
|
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> }</div>
|
|
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> <span class="keywordflow">if</span> (num_ignored_constraints > 0) {</div>
|
|
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << num_ignored_constraints << <span class="stringliteral">" constraints were skipped."</span>;</div>
|
|
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> }</div>
|
|
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> <span class="keywordflow">if</span> (!unsupported_types.empty()) {</div>
|
|
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"There is unsupported constraints types in this model: "</span>;</div>
|
|
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string& type : unsupported_types) {</div>
|
|
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">" - "</span> << type;</div>
|
|
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> }</div>
|
|
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> }</div>
|
|
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> </div>
|
|
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerEncoder>()</div>
|
|
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> ->AddAllImplicationsBetweenAssociatedLiterals();</div>
|
|
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span>}</div>
|
|
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> </div>
|
|
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span><span class="keywordtype">void</span> LoadFeasibilityPump(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> LoadBaseModel(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> </div>
|
|
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> <span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> </div>
|
|
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> <span class="comment">// Add linear constraints to Feasibility Pump.</span></div>
|
|
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> <span class="keyword">const</span> LinearRelaxation relaxation =</div>
|
|
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af68ee38b3d32ecb81072b0cc4d28226b">ComputeLinearRelaxation</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_constraints = relaxation.linear_constraints.size();</div>
|
|
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> <span class="keywordflow">if</span> (num_lp_constraints == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> <span class="keyword">auto</span>* feasibility_pump = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<FeasibilityPump>();</div>
|
|
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
|
|
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> feasibility_pump->AddLinearConstraint(relaxation.linear_constraints[i]);</div>
|
|
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> }</div>
|
|
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> </div>
|
|
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
|
|
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
|
|
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> mapping->Integer(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
|
|
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs(i);</div>
|
|
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> feasibility_pump->SetObjectiveCoefficient(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(<a class="code hl_variable" href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a>));</div>
|
|
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> }</div>
|
|
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> }</div>
|
|
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span>}</div>
|
|
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> </div>
|
|
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span><span class="comment">// Loads a CpModelProto inside the given model.</span></div>
|
|
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span><span class="comment">// This should only be called once on a given 'Model' class.</span></div>
|
|
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span><span class="comment">// TODO(user): move to cp_model_loader.h/.cc</span></div>
|
|
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span><span class="keywordtype">void</span> LoadCpModel(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SharedResponseManager>();</div>
|
|
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> </div>
|
|
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> LoadBaseModel(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> </div>
|
|
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <span class="comment">// Simple function for the few places where we do "return unsat()".</span></div>
|
|
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> <span class="keyword">auto</span>* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
|
|
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <span class="keyword">const</span> <span class="keyword">auto</span> unsat = [shared_response_manager, sat_solver, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>] {</div>
|
|
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> sat_solver->NotifyThatModelIsUnsat();</div>
|
|
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> absl::StrCat(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), <span class="stringliteral">" [loading]"</span>));</div>
|
|
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> };</div>
|
|
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> </div>
|
|
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> <span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> </div>
|
|
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> <span class="comment">// Auto detect "at least one of" constraints in the PrecedencesPropagator.</span></div>
|
|
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> <span class="comment">// Note that we do that before we finish loading the problem (objective and</span></div>
|
|
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="comment">// LP relaxation), because propagation will be faster at this point and it</span></div>
|
|
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="comment">// should be enough for the purpose of this auto-detection.</span></div>
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|
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<PrecedencesPropagator>() != <span class="keyword">nullptr</span> &&</div>
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|
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.auto_detect_greater_than_at_least_one_of()) {</div>
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|
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<PrecedencesPropagator>()</div>
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|
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> ->AddGreaterThanAtLeastOneOfConstraints(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span> <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span> }</div>
|
|
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> </div>
|
|
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> <span class="comment">// TODO(user): This should be done in the presolve instead.</span></div>
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|
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> <span class="comment">// TODO(user): We don't have a good deterministic time on all constraints,</span></div>
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|
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span> <span class="comment">// so this might take more time than wanted.</span></div>
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|
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_model_probing_level() > 1) {</div>
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|
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> Prober* prober = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<Prober>();</div>
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|
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> prober->ProbeBooleanVariables(<span class="comment">/*deterministic_time_limit=*/</span>1.0);</div>
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|
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->IsModelUnsat()) {</div>
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|
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> }</div>
|
|
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<BinaryImplicationGraph>()</div>
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|
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> ->ComputeTransitiveReduction()) {</div>
|
|
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> }</div>
|
|
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> }</div>
|
|
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> </div>
|
|
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> <span class="comment">// Create an objective variable and its associated linear constraint if</span></div>
|
|
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> <span class="comment">// needed.</span></div>
|
|
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> IntegerVariable objective_var = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
|
|
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() > 0) {</div>
|
|
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> <span class="comment">// Linearize some part of the problem and register LP constraint(s).</span></div>
|
|
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> objective_var = AddLPConstraints(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> <span class="keyword">const</span> CpObjectiveProto& obj = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
|
|
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> std::vector<std::pair<IntegerVariable, int64_t>> terms;</div>
|
|
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> terms.reserve(obj.vars_size());</div>
|
|
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < obj.vars_size(); ++i) {</div>
|
|
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> terms.push_back(</div>
|
|
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> std::make_pair(mapping->Integer(obj.vars(i)), obj.coeffs(i)));</div>
|
|
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> }</div>
|
|
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
|
|
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> objective_var = GetOrCreateVariableWithTightBound(terms, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> objective_var = GetOrCreateVariableGreaterOrEqualToSumOf(terms, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> }</div>
|
|
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> }</div>
|
|
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> </div>
|
|
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> <span class="comment">// Create the objective definition inside the Model so that it can be accessed</span></div>
|
|
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> <span class="comment">// by the heuristics than needs it.</span></div>
|
|
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> <span class="keywordflow">if</span> (objective_var != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
|
|
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span> <span class="keyword">const</span> CpObjectiveProto& objective_proto = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
|
|
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <span class="keyword">auto</span>* objective_definition = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> </div>
|
|
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> objective_definition->scaling_factor = objective_proto.scaling_factor();</div>
|
|
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> <span class="keywordflow">if</span> (objective_definition->scaling_factor == 0.0) {</div>
|
|
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> objective_definition->scaling_factor = 1.0;</div>
|
|
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> }</div>
|
|
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> objective_definition->offset = objective_proto.offset();</div>
|
|
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span> objective_definition->objective_var = objective_var;</div>
|
|
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> </div>
|
|
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = objective_proto.vars_size();</div>
|
|
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span> objective_definition->vars.resize(size);</div>
|
|
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> objective_definition->coeffs.resize(size);</div>
|
|
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < objective_proto.vars_size(); ++i) {</div>
|
|
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> <span class="comment">// Note that if there is no mapping, then the variable will be</span></div>
|
|
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> <span class="comment">// kNoIntegerVariable.</span></div>
|
|
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span> objective_definition->vars[i] = mapping->Integer(objective_proto.vars(i));</div>
|
|
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> objective_definition->coeffs[i] = IntegerValue(objective_proto.coeffs(i));</div>
|
|
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> </div>
|
|
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span> <span class="comment">// Fill the objective heuristics data.</span></div>
|
|
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = objective_proto.vars(i);</div>
|
|
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span> <span class="keywordflow">if</span> (mapping->IsInteger(ref)) {</div>
|
|
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span> <span class="keyword">const</span> IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(objective_proto.vars(i));</div>
|
|
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> objective_definition->objective_impacting_variables.insert(</div>
|
|
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> objective_proto.coeffs(i) > 0 ? <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> }</div>
|
|
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span> }</div>
|
|
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> </div>
|
|
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> <span class="comment">// Register an objective special propagator.</span></div>
|
|
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(</div>
|
|
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> <span class="keyword">new</span> LevelZeroEquality(objective_var, objective_definition->vars,</div>
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|
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> objective_definition->coeffs, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>));</div>
|
|
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> }</div>
|
|
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> </div>
|
|
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> <span class="comment">// Intersect the objective domain with the given one if any.</span></div>
|
|
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().domain().empty()) {</div>
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|
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span> <span class="keyword">const</span> Domain user_domain = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective());</div>
|
|
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> <span class="keyword">const</span> Domain automatic_domain =</div>
|
|
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>()->InitialVariableDomain(</div>
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|
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> objective_var);</div>
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|
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"Objective offset:"</span> << <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().offset()</div>
|
|
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> << <span class="stringliteral">" scaling_factor:"</span> << <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().scaling_factor();</div>
|
|
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"Automatic internal objective domain: "</span> << automatic_domain;</div>
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|
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <span class="stringliteral">"User specified internal objective domain: "</span> << user_domain;</div>
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|
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(objective_var, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
|
|
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> ok = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>()->UpdateInitialDomain(</div>
|
|
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> objective_var, user_domain);</div>
|
|
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> <span class="keywordflow">if</span> (!ok) {</div>
|
|
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"UNSAT due to the objective domain."</span>;</div>
|
|
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> }</div>
|
|
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span> </div>
|
|
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> <span class="comment">// Make sure the sum take a value inside the objective domain by adding</span></div>
|
|
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span> <span class="comment">// the other side: objective <= sum terms.</span></div>
|
|
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> <span class="comment">// TODO(user): Use a better condition to detect when this is not useful.</span></div>
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|
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> <span class="comment">// Note also that for the core algorithm, we might need the other side too,</span></div>
|
|
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> <span class="comment">// otherwise we could return feasible solution with an objective above the</span></div>
|
|
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> <span class="comment">// user specified upper bound.</span></div>
|
|
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> <span class="keywordflow">if</span> (!automatic_domain.IsIncludedIn(user_domain)) {</div>
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<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span> std::vector<IntegerVariable> vars;</div>
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<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span> std::vector<int64_t> coeffs;</div>
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<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> <span class="keyword">const</span> CpObjectiveProto& obj = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
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<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < obj.vars_size(); ++i) {</div>
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<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> vars.push_back(mapping->Integer(obj.vars(i)));</div>
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<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span> coeffs.push_back(obj.coeffs(i));</div>
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<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span> }</div>
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<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span> vars.push_back(objective_var);</div>
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<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span> coeffs.push_back(-1);</div>
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<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a081a97fea7610aefc53d71d4f331e184">WeightedSumGreaterOrEqual</a>(vars, coeffs, 0));</div>
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<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span> }</div>
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<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> }</div>
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<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span> </div>
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<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> <span class="comment">// Note that we do one last propagation at level zero once all the</span></div>
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<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> <span class="comment">// constraints were added.</span></div>
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<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SolverLogger>(),</div>
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<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> <span class="stringliteral">"Initial num_bool: "</span>, sat_solver->NumVariables());</div>
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<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span> <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
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<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span> </div>
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<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
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<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> <span class="comment">// Report the initial objective variable bounds.</span></div>
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<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
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<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> shared_response_manager->UpdateInnerObjectiveBounds(</div>
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<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> absl::StrCat(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), <span class="stringliteral">" initial_propagation"</span>),</div>
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<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> integer_trail->LowerBound(objective_var),</div>
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<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> integer_trail->UpperBound(objective_var));</div>
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<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> </div>
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<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> <span class="comment">// Watch improved objective best bounds.</span></div>
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<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> RegisterObjectiveBestBoundExport(objective_var, shared_response_manager,</div>
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|
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span> </div>
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<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> <span class="comment">// Import objective bounds.</span></div>
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|
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"> 1390</span> <span class="comment">// TODO(user): Support objective bounds import in LNS and Core based</span></div>
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|
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> <span class="comment">// search.</span></div>
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<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->share_objective_bounds()) {</div>
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<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> RegisterObjectiveBoundsImport(shared_response_manager, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span> }</div>
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<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span> }</div>
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<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span> </div>
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|
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span> <span class="comment">// Cache the links between model vars, IntegerVariables and lp constraints.</span></div>
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<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"> 1398</span> <span class="comment">// TODO(user): Cache this only if it is actually used.</span></div>
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|
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span> <span class="keyword">auto</span>* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
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<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span> <span class="keyword">auto</span>* lp_dispatcher = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LinearProgrammingDispatcher>();</div>
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|
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span> <span class="keyword">auto</span>* lp_vars = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LPVariables>();</div>
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|
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span> IntegerVariable size = integer_trail->NumIntegerVariables();</div>
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|
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span> <span class="keywordflow">for</span> (IntegerVariable positive_var(0); positive_var < size;</div>
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<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"> 1404</span> positive_var += 2) {</div>
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|
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span> LPVariable lp_var;</div>
|
|
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> lp_var.positive_var = positive_var;</div>
|
|
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> lp_var.model_var =</div>
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|
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> mapping->GetProtoVariableFromIntegerVariable(positive_var);</div>
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|
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span> lp_var.lp = <a class="code hl_function" href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a>(*lp_dispatcher, positive_var, <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span> </div>
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|
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span> <span class="keywordflow">if</span> (lp_var.model_var >= 0) {</div>
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|
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> lp_vars->vars.push_back(lp_var);</div>
|
|
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> lp_vars->model_vars_size =</div>
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|
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(lp_vars->model_vars_size, lp_var.model_var + 1);</div>
|
|
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span> }</div>
|
|
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> }</div>
|
|
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> </div>
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|
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> <span class="comment">// Initialize the fixed_search strategy.</span></div>
|
|
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> <span class="keyword">auto</span>* search_heuristics = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SearchHeuristics>();</div>
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|
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> search_heuristics->fixed_search = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aef9a9e314dd32a66b7540b0ae367eb4f">ConstructSearchStrategy</a>(</div>
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|
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, mapping->GetVariableMapping(), objective_var, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(3)) {</div>
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|
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> search_heuristics->fixed_search =</div>
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|
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#afb3c98e67e212632d35259e550235d0a">InstrumentSearchStrategy</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, mapping->GetVariableMapping(),</div>
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|
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span> search_heuristics->fixed_search, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> }</div>
|
|
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> </div>
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|
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> <span class="comment">// Initialize the "follow hint" strategy.</span></div>
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|
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> std::vector<BooleanOrIntegerVariable> vars;</div>
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|
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> std::vector<IntegerValue> values;</div>
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|
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
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|
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
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|
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref));</div>
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<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> BooleanOrIntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
|
|
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> <span class="keywordflow">if</span> (mapping->IsBoolean(ref)) {</div>
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<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.bool_var = mapping->Literal(ref).Variable();</div>
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<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.int_var = mapping->Integer(ref);</div>
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<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> }</div>
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<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> vars.push_back(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> values.push_back(IntegerValue(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i)));</div>
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<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> }</div>
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<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span> search_heuristics->hint_search = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38">FollowHint</a>(vars, values, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span> </div>
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|
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> <span class="comment">// Create the CoreBasedOptimizer class if needed.</span></div>
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<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
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<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span> <span class="comment">// TODO(user): Remove code duplication with the solution_observer in</span></div>
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|
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span> <span class="comment">// SolveLoadedCpModel().</span></div>
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|
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span> <span class="keyword">const</span> std::string solution_info = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
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<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span> <span class="keyword">const</span> <span class="keyword">auto</span> solution_observer = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, solution_info,</div>
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<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span> shared_response_manager]() {</div>
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|
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> CpSolverResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> FillSolutionInResponse(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
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<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(solution_info);</div>
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|
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> shared_response_manager-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> };</div>
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|
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> </div>
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<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> <span class="keyword">const</span> <span class="keyword">auto</span>& objective = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
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<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_max_hs()) {</div>
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<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> HittingSetOptimizer* max_hs = <span class="keyword">new</span> HittingSetOptimizer(</div>
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<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, objective, solution_observer, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Register<HittingSetOptimizer>(max_hs);</div>
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<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(max_hs);</div>
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|
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> CoreBasedOptimizer* core =</div>
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|
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> <span class="keyword">new</span> CoreBasedOptimizer(objective_var, objective.vars,</div>
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<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> objective.coeffs, solution_observer, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Register<CoreBasedOptimizer>(core);</div>
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|
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(core);</div>
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|
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> }</div>
|
|
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> }</div>
|
|
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span>}</div>
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|
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> </div>
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<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span><span class="comment">// Solves an already loaded cp_model_proto.</span></div>
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|
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span><span class="comment">// The final CpSolverResponse must be read from the shared_response_manager.</span></div>
|
|
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"> 1476</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span><span class="comment">// TODO(user): This should be transformed so that it can be called many times</span></div>
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|
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span><span class="comment">// and resume from the last search state as if it wasn't interuped. That would</span></div>
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|
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span><span class="comment">// allow use to easily interleave different heuristics in the same thread.</span></div>
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|
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span><span class="keywordtype">void</span> SolveLoadedCpModel(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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|
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"> 1481</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SharedResponseManager>();</div>
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|
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span> <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> </div>
|
|
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span> <span class="keyword">const</span> std::string& solution_info = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
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|
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> <span class="keyword">const</span> <span class="keyword">auto</span> solution_observer = [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &solution_info,</div>
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|
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span> &shared_response_manager]() {</div>
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|
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> CpSolverResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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|
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span> FillSolutionInResponse(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(solution_info);</div>
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|
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span> shared_response_manager-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> };</div>
|
|
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span> </div>
|
|
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span> <span class="comment">// Reconfigure search heuristic if it was changed.</span></div>
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|
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"> 1495</span> </div>
|
|
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
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|
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>;</div>
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|
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span> <span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
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|
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> </div>
|
|
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_probing_search()) {</div>
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|
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span> ContinuousProber prober(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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|
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = prober.Probe();</div>
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|
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a>) {</div>
|
|
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span> solution_info);</div>
|
|
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> }</div>
|
|
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span> solution_observer();</div>
|
|
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span> }</div>
|
|
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> }</div>
|
|
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
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|
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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|
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
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|
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span> mapping.Literals(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> != SatSolver::Status::FEASIBLE) <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span> solution_observer();</div>
|
|
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.enumerate_all_solutions()) <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a>());</div>
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|
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span> }</div>
|
|
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a>) {</div>
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<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
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|
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span> solution_info);</div>
|
|
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span> }</div>
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|
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae5ba802809eb747ea486ca3fae32a885">SatSolver::ASSUMPTIONS_UNSAT</a>) {</div>
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|
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span> solution_info);</div>
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|
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span> </div>
|
|
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span> <span class="comment">// Extract a good subset of assumptions and add it to the response.</span></div>
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|
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>();</div>
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|
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> <span class="keyword">auto</span>* sat_solver = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
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|
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span> std::vector<Literal> core = sat_solver->GetLastIncompatibleDecisions();</div>
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|
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab76a35e6ff810ad9ea8b58c7c11606cb">MinimizeCoreWithPropagation</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>, sat_solver, &core);</div>
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|
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> std::vector<int> core_in_proto_format;</div>
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|
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : core) {</div>
|
|
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span> core_in_proto_format.push_back(</div>
|
|
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span> mapping.GetProtoVariableFromBooleanVariable(l.Variable()));</div>
|
|
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span> <span class="keywordflow">if</span> (!l.IsPositive()) {</div>
|
|
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span> core_in_proto_format.back() = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(core_in_proto_format.back());</div>
|
|
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span> }</div>
|
|
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span> }</div>
|
|
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span> shared_response_manager->AddUnsatCore(core_in_proto_format);</div>
|
|
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> }</div>
|
|
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span> <span class="comment">// Optimization problem.</span></div>
|
|
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"> 1549</span> <span class="keyword">const</span> <span class="keyword">auto</span>& objective = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span> <span class="keyword">const</span> IntegerVariable objective_var = objective.objective_var;</div>
|
|
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(objective_var, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
|
|
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span> </div>
|
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<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_lb_tree_search()) {</div>
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|
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> <span class="keyword">auto</span>* search = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LbTreeSearch>();</div>
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|
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = search->Search(solution_observer);</div>
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|
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
|
|
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span> <span class="comment">// TODO(user): This doesn't work with splitting in chunk for now. It</span></div>
|
|
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> <span class="comment">// shouldn't be too hard to fix.</span></div>
|
|
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_max_hs()) {</div>
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|
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<HittingSetOptimizer>()->Optimize();</div>
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|
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<CoreBasedOptimizer>()->Optimize();</div>
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|
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span> }</div>
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|
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span> } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span> <span class="comment">// TODO(user): This parameter break the splitting in chunk of a Solve().</span></div>
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|
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span> <span class="comment">// It should probably be moved into another SubSolver altogether.</span></div>
|
|
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.binary_search_num_conflicts() >= 0) {</div>
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<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a166c4d1be17bdfcad1986b1f72c49e52">RestrictObjectiveDomainWithBinarySearch</a>(objective_var,</div>
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|
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span> solution_observer, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span> }</div>
|
|
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#affe1669ec9e0e7cbd54e895bbbff43af">MinimizeIntegerVariableWithLinearScanAndLazyEncoding</a>(</div>
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|
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span> objective_var, solution_observer, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span> }</div>
|
|
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span> </div>
|
|
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span> <span class="comment">// The search is done in both case.</span></div>
|
|
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span> <span class="comment">// TODO(user): Remove the weird translation INFEASIBLE->FEASIBLE in the</span></div>
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|
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> <span class="comment">// function above?</span></div>
|
|
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a> || <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span> solution_info);</div>
|
|
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> }</div>
|
|
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span> }</div>
|
|
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span> </div>
|
|
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span> <span class="comment">// TODO(user): Remove from here when we split in chunk. We just want to</span></div>
|
|
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span> <span class="comment">// do that at the end.</span></div>
|
|
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span> shared_response_manager->SetStatsFromModel(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span>}</div>
|
|
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span> </div>
|
|
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span><span class="comment">// Try to find a solution by following the hint and using a low conflict limit.</span></div>
|
|
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span><span class="comment">// The CpModelProto must already be loaded in the Model.</span></div>
|
|
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span><span class="keywordtype">void</span> QuickSolveWithHint(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span> </div>
|
|
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SharedResponseManager>();</div>
|
|
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span> <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span> </div>
|
|
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span> <span class="comment">// Temporarily change the parameters.</span></div>
|
|
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span> </div>
|
|
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> <span class="comment">// If the model was loaded with "optimize_with_core" then the objective</span></div>
|
|
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span> <span class="comment">// variable is not linked to its linear expression. Because of that, we can</span></div>
|
|
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span> <span class="comment">// return a solution that does not satisfy the objective domain.</span></div>
|
|
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span> <span class="comment">// TODO(user): This is fixable, but then do we need the hint when optimizing</span></div>
|
|
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span> <span class="comment">// with core?</span></div>
|
|
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->optimize_with_core()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span> </div>
|
|
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span> <span class="keyword">const</span> SatParameters saved_params = *<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_max_number_of_conflicts(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->hint_conflict_limit());</div>
|
|
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_search_branching(SatParameters::HINT_SEARCH);</div>
|
|
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_optimize_with_core(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span> <span class="keyword">auto</span> cleanup = <a class="code hl_function" href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">::absl::MakeCleanup</a>(</div>
|
|
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span> [<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, saved_params]() { *<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = saved_params; });</div>
|
|
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span> </div>
|
|
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span> <span class="comment">// Solve decision problem.</span></div>
|
|
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span> <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
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<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span> mapping.Literals(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01621" name="l01621"></a><span class="lineno"> 1621</span> </div>
|
|
<div class="line"><a id="l01622" name="l01622"></a><span class="lineno"> 1622</span> <span class="keyword">const</span> std::string& solution_info = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a id="l01623" name="l01623"></a><span class="lineno"> 1623</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == SatSolver::Status::FEASIBLE) {</div>
|
|
<div class="line"><a id="l01624" name="l01624"></a><span class="lineno"> 1624</span> CpSolverResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a id="l01625" name="l01625"></a><span class="lineno"> 1625</span> FillSolutionInResponse(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a id="l01626" name="l01626"></a><span class="lineno"> 1626</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(absl::StrCat(solution_info, <span class="stringliteral">" [hint]"</span>));</div>
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|
<div class="line"><a id="l01627" name="l01627"></a><span class="lineno"> 1627</span> shared_response_manager-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l01628" name="l01628"></a><span class="lineno"> 1628</span> </div>
|
|
<div class="line"><a id="l01629" name="l01629"></a><span class="lineno"> 1629</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a id="l01630" name="l01630"></a><span class="lineno"> 1630</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->enumerate_all_solutions()) {</div>
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|
<div class="line"><a id="l01631" name="l01631"></a><span class="lineno"> 1631</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a>());</div>
|
|
<div class="line"><a id="l01632" name="l01632"></a><span class="lineno"> 1632</span> }</div>
|
|
<div class="line"><a id="l01633" name="l01633"></a><span class="lineno"> 1633</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01634" name="l01634"></a><span class="lineno"> 1634</span> <span class="comment">// Restrict the objective.</span></div>
|
|
<div class="line"><a id="l01635" name="l01635"></a><span class="lineno"> 1635</span> <span class="keyword">const</span> IntegerVariable objective_var =</div>
|
|
<div class="line"><a id="l01636" name="l01636"></a><span class="lineno"> 1636</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>()->objective_var;</div>
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|
<div class="line"><a id="l01637" name="l01637"></a><span class="lineno"> 1637</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->Backtrack(0);</div>
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|
<div class="line"><a id="l01638" name="l01638"></a><span class="lineno"> 1638</span> IntegerTrail* integer_trail = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
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<div class="line"><a id="l01639" name="l01639"></a><span class="lineno"> 1639</span> <span class="keywordflow">if</span> (!integer_trail->Enqueue(</div>
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<div class="line"><a id="l01640" name="l01640"></a><span class="lineno"> 1640</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(</div>
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<div class="line"><a id="l01641" name="l01641"></a><span class="lineno"> 1641</span> objective_var,</div>
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<div class="line"><a id="l01642" name="l01642"></a><span class="lineno"> 1642</span> shared_response_manager->GetInnerObjectiveUpperBound()),</div>
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<div class="line"><a id="l01643" name="l01643"></a><span class="lineno"> 1643</span> {}, {})) {</div>
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<div class="line"><a id="l01644" name="l01644"></a><span class="lineno"> 1644</span> shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
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|
<div class="line"><a id="l01645" name="l01645"></a><span class="lineno"> 1645</span> absl::StrCat(solution_info, <span class="stringliteral">" [hint]"</span>));</div>
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|
<div class="line"><a id="l01646" name="l01646"></a><span class="lineno"> 1646</span> shared_response_manager->SetStatsFromModel(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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|
<div class="line"><a id="l01647" name="l01647"></a><span class="lineno"> 1647</span> <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l01648" name="l01648"></a><span class="lineno"> 1648</span> }</div>
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|
<div class="line"><a id="l01649" name="l01649"></a><span class="lineno"> 1649</span> }</div>
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|
<div class="line"><a id="l01650" name="l01650"></a><span class="lineno"> 1650</span> }</div>
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<div class="line"><a id="l01651" name="l01651"></a><span class="lineno"> 1651</span> </div>
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|
<div class="line"><a id="l01652" name="l01652"></a><span class="lineno"> 1652</span> <span class="comment">// This code is here to debug bad presolve during LNS that corrupt the hint.</span></div>
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|
<div class="line"><a id="l01653" name="l01653"></a><span class="lineno"> 1653</span> <span class="comment">// Note that sometime the deterministic limit is hit before the hint can be</span></div>
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|
<div class="line"><a id="l01654" name="l01654"></a><span class="lineno"> 1654</span> <span class="comment">// completed, so we don't report that has an error.</span></div>
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|
<div class="line"><a id="l01655" name="l01655"></a><span class="lineno"> 1655</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->debug_crash_on_bad_hint() &&</div>
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<div class="line"><a id="l01656" name="l01656"></a><span class="lineno"> 1656</span> !<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>()->LimitReached() &&</div>
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<div class="line"><a id="l01657" name="l01657"></a><span class="lineno"> 1657</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> != SatSolver::Status::FEASIBLE) {</div>
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|
<div class="line"><a id="l01658" name="l01658"></a><span class="lineno"> 1658</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"QuickSolveWithHint() didn't find a feasible solution. "</span></div>
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<div class="line"><a id="l01659" name="l01659"></a><span class="lineno"> 1659</span> << <span class="stringliteral">"The model name is '"</span> << <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.name() << <span class="stringliteral">"'."</span>;</div>
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|
<div class="line"><a id="l01660" name="l01660"></a><span class="lineno"> 1660</span> }</div>
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|
<div class="line"><a id="l01661" name="l01661"></a><span class="lineno"> 1661</span>}</div>
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|
<div class="line"><a id="l01662" name="l01662"></a><span class="lineno"> 1662</span> </div>
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<div class="line"><a id="l01663" name="l01663"></a><span class="lineno"> 1663</span><span class="comment">// Solve a model with a different objective consisting of minimizing the L1</span></div>
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|
<div class="line"><a id="l01664" name="l01664"></a><span class="lineno"> 1664</span><span class="comment">// distance with the provided hint. Note that this method creates an in-memory</span></div>
|
|
<div class="line"><a id="l01665" name="l01665"></a><span class="lineno"> 1665</span><span class="comment">// copy of the model and loads a local Model object from the copied model.</span></div>
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|
<div class="line"><a id="l01666" name="l01666"></a><span class="lineno"> 1666</span><span class="keywordtype">void</span> MinimizeL1DistanceWithHint(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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|
<div class="line"><a id="l01667" name="l01667"></a><span class="lineno"> 1667</span> Model local_model;</div>
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|
<div class="line"><a id="l01668" name="l01668"></a><span class="lineno"> 1668</span> </div>
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|
<div class="line"><a id="l01669" name="l01669"></a><span class="lineno"> 1669</span> <span class="comment">// Forward some shared class.</span></div>
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|
<div class="line"><a id="l01670" name="l01670"></a><span class="lineno"> 1670</span> local_model.Register<ModelSharedTimeLimit>(</div>
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|
<div class="line"><a id="l01671" name="l01671"></a><span class="lineno"> 1671</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ModelSharedTimeLimit>());</div>
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|
<div class="line"><a id="l01672" name="l01672"></a><span class="lineno"> 1672</span> local_model.Register<<a class="code hl_class" href="class_wall_timer.html">WallTimer</a>>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="class_wall_timer.html">WallTimer</a>>());</div>
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|
<div class="line"><a id="l01673" name="l01673"></a><span class="lineno"> 1673</span> </div>
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|
<div class="line"><a id="l01674" name="l01674"></a><span class="lineno"> 1674</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01675" name="l01675"></a><span class="lineno"> 1675</span> </div>
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|
<div class="line"><a id="l01676" name="l01676"></a><span class="lineno"> 1676</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SharedResponseManager>();</div>
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|
<div class="line"><a id="l01677" name="l01677"></a><span class="lineno"> 1677</span> <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01678" name="l01678"></a><span class="lineno"> 1678</span> </div>
|
|
<div class="line"><a id="l01679" name="l01679"></a><span class="lineno"> 1679</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = local_model.GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l01680" name="l01680"></a><span class="lineno"> 1680</span> <span class="comment">// TODO(user): As of now the repair hint doesn't support when</span></div>
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|
<div class="line"><a id="l01681" name="l01681"></a><span class="lineno"> 1681</span> <span class="comment">// enumerate_all_solutions is set since the solution is created on a different</span></div>
|
|
<div class="line"><a id="l01682" name="l01682"></a><span class="lineno"> 1682</span> <span class="comment">// model.</span></div>
|
|
<div class="line"><a id="l01683" name="l01683"></a><span class="lineno"> 1683</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->enumerate_all_solutions()) <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l01684" name="l01684"></a><span class="lineno"> 1684</span> </div>
|
|
<div class="line"><a id="l01685" name="l01685"></a><span class="lineno"> 1685</span> <span class="comment">// Change the parameters.</span></div>
|
|
<div class="line"><a id="l01686" name="l01686"></a><span class="lineno"> 1686</span> <span class="keyword">const</span> SatParameters saved_params = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
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|
<div class="line"><a id="l01687" name="l01687"></a><span class="lineno"> 1687</span> *<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = saved_params;</div>
|
|
<div class="line"><a id="l01688" name="l01688"></a><span class="lineno"> 1688</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_max_number_of_conflicts(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->hint_conflict_limit());</div>
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|
<div class="line"><a id="l01689" name="l01689"></a><span class="lineno"> 1689</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_optimize_with_core(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l01690" name="l01690"></a><span class="lineno"> 1690</span> </div>
|
|
<div class="line"><a id="l01691" name="l01691"></a><span class="lineno"> 1691</span> <span class="comment">// Update the model to introduce penalties to go away from hinted values.</span></div>
|
|
<div class="line"><a id="l01692" name="l01692"></a><span class="lineno"> 1692</span> CpModelProto updated_model_proto = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
|
|
<div class="line"><a id="l01693" name="l01693"></a><span class="lineno"> 1693</span> updated_model_proto.clear_objective();</div>
|
|
<div class="line"><a id="l01694" name="l01694"></a><span class="lineno"> 1694</span> </div>
|
|
<div class="line"><a id="l01695" name="l01695"></a><span class="lineno"> 1695</span> <span class="comment">// TODO(user): For boolean variables we can avoid creating new variables.</span></div>
|
|
<div class="line"><a id="l01696" name="l01696"></a><span class="lineno"> 1696</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
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|
<div class="line"><a id="l01697" name="l01697"></a><span class="lineno"> 1697</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
|
|
<div class="line"><a id="l01698" name="l01698"></a><span class="lineno"> 1698</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i);</div>
|
|
<div class="line"><a id="l01699" name="l01699"></a><span class="lineno"> 1699</span> </div>
|
|
<div class="line"><a id="l01700" name="l01700"></a><span class="lineno"> 1700</span> <span class="comment">// Add a new var to represent the difference between var and value.</span></div>
|
|
<div class="line"><a id="l01701" name="l01701"></a><span class="lineno"> 1701</span> <span class="keyword">const</span> <span class="keywordtype">int</span> new_var_index = updated_model_proto.variables_size();</div>
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|
<div class="line"><a id="l01702" name="l01702"></a><span class="lineno"> 1702</span> IntegerVariableProto* var_proto = updated_model_proto.add_variables();</div>
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|
<div class="line"><a id="l01703" name="l01703"></a><span class="lineno"> 1703</span> <span class="keyword">const</span> int64_t min_domain = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain(0) - <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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|
<div class="line"><a id="l01704" name="l01704"></a><span class="lineno"> 1704</span> <span class="keyword">const</span> int64_t max_domain =</div>
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|
<div class="line"><a id="l01705" name="l01705"></a><span class="lineno"> 1705</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain(</div>
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|
<div class="line"><a id="l01706" name="l01706"></a><span class="lineno"> 1706</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain_size() - 1) -</div>
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|
<div class="line"><a id="l01707" name="l01707"></a><span class="lineno"> 1707</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l01708" name="l01708"></a><span class="lineno"> 1708</span> var_proto->add_domain(min_domain);</div>
|
|
<div class="line"><a id="l01709" name="l01709"></a><span class="lineno"> 1709</span> var_proto->add_domain(max_domain);</div>
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|
<div class="line"><a id="l01710" name="l01710"></a><span class="lineno"> 1710</span> </div>
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|
<div class="line"><a id="l01711" name="l01711"></a><span class="lineno"> 1711</span> <span class="comment">// new_var = var - value.</span></div>
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|
<div class="line"><a id="l01712" name="l01712"></a><span class="lineno"> 1712</span> ConstraintProto* <span class="keyword">const</span> linear_constraint_proto =</div>
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|
<div class="line"><a id="l01713" name="l01713"></a><span class="lineno"> 1713</span> updated_model_proto.add_constraints();</div>
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|
<div class="line"><a id="l01714" name="l01714"></a><span class="lineno"> 1714</span> LinearConstraintProto* linear = linear_constraint_proto->mutable_linear();</div>
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<div class="line"><a id="l01715" name="l01715"></a><span class="lineno"> 1715</span> linear->add_vars(new_var_index);</div>
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<div class="line"><a id="l01716" name="l01716"></a><span class="lineno"> 1716</span> linear->add_coeffs(1);</div>
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|
<div class="line"><a id="l01717" name="l01717"></a><span class="lineno"> 1717</span> linear->add_vars(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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|
<div class="line"><a id="l01718" name="l01718"></a><span class="lineno"> 1718</span> linear->add_coeffs(-1);</div>
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|
<div class="line"><a id="l01719" name="l01719"></a><span class="lineno"> 1719</span> linear->add_domain(-<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01720" name="l01720"></a><span class="lineno"> 1720</span> linear->add_domain(-<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l01721" name="l01721"></a><span class="lineno"> 1721</span> </div>
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|
<div class="line"><a id="l01722" name="l01722"></a><span class="lineno"> 1722</span> <span class="comment">// abs_var = abs(new_var).</span></div>
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|
<div class="line"><a id="l01723" name="l01723"></a><span class="lineno"> 1723</span> <span class="keyword">const</span> <span class="keywordtype">int</span> abs_var_index = updated_model_proto.variables_size();</div>
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|
<div class="line"><a id="l01724" name="l01724"></a><span class="lineno"> 1724</span> IntegerVariableProto* abs_var_proto = updated_model_proto.add_variables();</div>
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|
<div class="line"><a id="l01725" name="l01725"></a><span class="lineno"> 1725</span> <span class="keyword">const</span> int64_t abs_min_domain = 0;</div>
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|
<div class="line"><a id="l01726" name="l01726"></a><span class="lineno"> 1726</span> <span class="keyword">const</span> int64_t abs_max_domain =</div>
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|
<div class="line"><a id="l01727" name="l01727"></a><span class="lineno"> 1727</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(min_domain), std::abs(max_domain));</div>
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|
<div class="line"><a id="l01728" name="l01728"></a><span class="lineno"> 1728</span> abs_var_proto->add_domain(abs_min_domain);</div>
|
|
<div class="line"><a id="l01729" name="l01729"></a><span class="lineno"> 1729</span> abs_var_proto->add_domain(abs_max_domain);</div>
|
|
<div class="line"><a id="l01730" name="l01730"></a><span class="lineno"> 1730</span> <span class="keyword">auto</span>* abs_ct = updated_model_proto.add_constraints()->mutable_lin_max();</div>
|
|
<div class="line"><a id="l01731" name="l01731"></a><span class="lineno"> 1731</span> abs_ct->mutable_target()->add_vars(abs_var_index);</div>
|
|
<div class="line"><a id="l01732" name="l01732"></a><span class="lineno"> 1732</span> abs_ct->mutable_target()->add_coeffs(1);</div>
|
|
<div class="line"><a id="l01733" name="l01733"></a><span class="lineno"> 1733</span> LinearExpressionProto* left = abs_ct->add_exprs();</div>
|
|
<div class="line"><a id="l01734" name="l01734"></a><span class="lineno"> 1734</span> left->add_vars(new_var_index);</div>
|
|
<div class="line"><a id="l01735" name="l01735"></a><span class="lineno"> 1735</span> left->add_coeffs(1);</div>
|
|
<div class="line"><a id="l01736" name="l01736"></a><span class="lineno"> 1736</span> LinearExpressionProto* right = abs_ct->add_exprs();</div>
|
|
<div class="line"><a id="l01737" name="l01737"></a><span class="lineno"> 1737</span> right->add_vars(new_var_index);</div>
|
|
<div class="line"><a id="l01738" name="l01738"></a><span class="lineno"> 1738</span> right->add_coeffs(-1);</div>
|
|
<div class="line"><a id="l01739" name="l01739"></a><span class="lineno"> 1739</span> </div>
|
|
<div class="line"><a id="l01740" name="l01740"></a><span class="lineno"> 1740</span> updated_model_proto.mutable_objective()->add_vars(abs_var_index);</div>
|
|
<div class="line"><a id="l01741" name="l01741"></a><span class="lineno"> 1741</span> updated_model_proto.mutable_objective()->add_coeffs(1);</div>
|
|
<div class="line"><a id="l01742" name="l01742"></a><span class="lineno"> 1742</span> }</div>
|
|
<div class="line"><a id="l01743" name="l01743"></a><span class="lineno"> 1743</span> </div>
|
|
<div class="line"><a id="l01744" name="l01744"></a><span class="lineno"> 1744</span> <span class="keyword">auto</span>* local_response_manager =</div>
|
|
<div class="line"><a id="l01745" name="l01745"></a><span class="lineno"> 1745</span> local_model.GetOrCreate<SharedResponseManager>();</div>
|
|
<div class="line"><a id="l01746" name="l01746"></a><span class="lineno"> 1746</span> local_response_manager->InitializeObjective(updated_model_proto);</div>
|
|
<div class="line"><a id="l01747" name="l01747"></a><span class="lineno"> 1747</span> </div>
|
|
<div class="line"><a id="l01748" name="l01748"></a><span class="lineno"> 1748</span> <span class="comment">// Solve optimization problem.</span></div>
|
|
<div class="line"><a id="l01749" name="l01749"></a><span class="lineno"> 1749</span> LoadCpModel(updated_model_proto, &local_model);</div>
|
|
<div class="line"><a id="l01750" name="l01750"></a><span class="lineno"> 1750</span> </div>
|
|
<div class="line"><a id="l01751" name="l01751"></a><span class="lineno"> 1751</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(&local_model);</div>
|
|
<div class="line"><a id="l01752" name="l01752"></a><span class="lineno"> 1752</span> <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *local_model.GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a id="l01753" name="l01753"></a><span class="lineno"> 1753</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
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|
<div class="line"><a id="l01754" name="l01754"></a><span class="lineno"> 1754</span> mapping.Literals(updated_model_proto.assumptions()), &local_model);</div>
|
|
<div class="line"><a id="l01755" name="l01755"></a><span class="lineno"> 1755</span> </div>
|
|
<div class="line"><a id="l01756" name="l01756"></a><span class="lineno"> 1756</span> <span class="keyword">const</span> std::string& solution_info = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
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|
<div class="line"><a id="l01757" name="l01757"></a><span class="lineno"> 1757</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == SatSolver::Status::FEASIBLE) {</div>
|
|
<div class="line"><a id="l01758" name="l01758"></a><span class="lineno"> 1758</span> CpSolverResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a id="l01759" name="l01759"></a><span class="lineno"> 1759</span> FillSolutionInResponse(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, local_model, &<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a id="l01760" name="l01760"></a><span class="lineno"> 1760</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a>) {</div>
|
|
<div class="line"><a id="l01761" name="l01761"></a><span class="lineno"> 1761</span> CpSolverResponse updated_response;</div>
|
|
<div class="line"><a id="l01762" name="l01762"></a><span class="lineno"> 1762</span> FillSolutionInResponse(updated_model_proto, local_model,</div>
|
|
<div class="line"><a id="l01763" name="l01763"></a><span class="lineno"> 1763</span> &updated_response);</div>
|
|
<div class="line"><a id="l01764" name="l01764"></a><span class="lineno"> 1764</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Found solution with repaired hint penalty = "</span></div>
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|
<div class="line"><a id="l01765" name="l01765"></a><span class="lineno"> 1765</span> << <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a10826704577008404187a36808daa739">ComputeInnerObjective</a>(updated_model_proto.objective(),</div>
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|
<div class="line"><a id="l01766" name="l01766"></a><span class="lineno"> 1766</span> updated_response);</div>
|
|
<div class="line"><a id="l01767" name="l01767"></a><span class="lineno"> 1767</span> }</div>
|
|
<div class="line"><a id="l01768" name="l01768"></a><span class="lineno"> 1768</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(absl::StrCat(solution_info, <span class="stringliteral">" [repaired]"</span>));</div>
|
|
<div class="line"><a id="l01769" name="l01769"></a><span class="lineno"> 1769</span> shared_response_manager-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, &local_model);</div>
|
|
<div class="line"><a id="l01770" name="l01770"></a><span class="lineno"> 1770</span> }</div>
|
|
<div class="line"><a id="l01771" name="l01771"></a><span class="lineno"> 1771</span>}</div>
|
|
<div class="line"><a id="l01772" name="l01772"></a><span class="lineno"> 1772</span> </div>
|
|
<div class="line"><a id="l01773" name="l01773"></a><span class="lineno"> 1773</span><span class="comment">// TODO(user): If this ever shows up in the profile, we could avoid copying</span></div>
|
|
<div class="line"><a id="l01774" name="l01774"></a><span class="lineno"> 1774</span><span class="comment">// the mapping_proto if we are careful about how we modify the variable domain</span></div>
|
|
<div class="line"><a id="l01775" name="l01775"></a><span class="lineno"> 1775</span><span class="comment">// before postsolving it. Note that 'num_variables_in_original_model' refers to</span></div>
|
|
<div class="line"><a id="l01776" name="l01776"></a><span class="lineno"> 1776</span><span class="comment">// the model before presolve.</span></div>
|
|
<div class="line"><a id="l01777" name="l01777"></a><span class="lineno"> 1777</span><span class="keywordtype">void</span> PostsolveResponseWithFullSolver(<span class="keywordtype">int</span> num_variables_in_original_model,</div>
|
|
<div class="line"><a id="l01778" name="l01778"></a><span class="lineno"> 1778</span> CpModelProto mapping_proto,</div>
|
|
<div class="line"><a id="l01779" name="l01779"></a><span class="lineno"> 1779</span> <span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
|
|
<div class="line"><a id="l01780" name="l01780"></a><span class="lineno"> 1780</span> std::vector<int64_t>* solution) {</div>
|
|
<div class="line"><a id="l01781" name="l01781"></a><span class="lineno"> 1781</span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a> <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>;</div>
|
|
<div class="line"><a id="l01782" name="l01782"></a><span class="lineno"> 1782</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a id="l01783" name="l01783"></a><span class="lineno"> 1783</span> </div>
|
|
<div class="line"><a id="l01784" name="l01784"></a><span class="lineno"> 1784</span> <span class="comment">// Fix the correct variable in the mapping_proto.</span></div>
|
|
<div class="line"><a id="l01785" name="l01785"></a><span class="lineno"> 1785</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < solution->size(); ++i) {</div>
|
|
<div class="line"><a id="l01786" name="l01786"></a><span class="lineno"> 1786</span> <span class="keyword">auto</span>* var_proto = mapping_proto.mutable_variables(postsolve_mapping[i]);</div>
|
|
<div class="line"><a id="l01787" name="l01787"></a><span class="lineno"> 1787</span> var_proto->clear_domain();</div>
|
|
<div class="line"><a id="l01788" name="l01788"></a><span class="lineno"> 1788</span> var_proto->add_domain((*solution)[i]);</div>
|
|
<div class="line"><a id="l01789" name="l01789"></a><span class="lineno"> 1789</span> var_proto->add_domain((*solution)[i]);</div>
|
|
<div class="line"><a id="l01790" name="l01790"></a><span class="lineno"> 1790</span> }</div>
|
|
<div class="line"><a id="l01791" name="l01791"></a><span class="lineno"> 1791</span> </div>
|
|
<div class="line"><a id="l01792" name="l01792"></a><span class="lineno"> 1792</span> <span class="comment">// Postosolve parameters.</span></div>
|
|
<div class="line"><a id="l01793" name="l01793"></a><span class="lineno"> 1793</span> <span class="comment">// TODO(user): this problem is usually trivial, but we may still want to</span></div>
|
|
<div class="line"><a id="l01794" name="l01794"></a><span class="lineno"> 1794</span> <span class="comment">// impose a time limit or copy some of the parameters passed by the user.</span></div>
|
|
<div class="line"><a id="l01795" name="l01795"></a><span class="lineno"> 1795</span> Model postsolve_model;</div>
|
|
<div class="line"><a id="l01796" name="l01796"></a><span class="lineno"> 1796</span> postsolve_model.Register<<a class="code hl_class" href="class_wall_timer.html">WallTimer</a>>(&<a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>);</div>
|
|
<div class="line"><a id="l01797" name="l01797"></a><span class="lineno"> 1797</span> {</div>
|
|
<div class="line"><a id="l01798" name="l01798"></a><span class="lineno"> 1798</span> SatParameters& params = *postsolve_model.GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l01799" name="l01799"></a><span class="lineno"> 1799</span> params.set_linearization_level(0);</div>
|
|
<div class="line"><a id="l01800" name="l01800"></a><span class="lineno"> 1800</span> params.set_cp_model_probing_level(0);</div>
|
|
<div class="line"><a id="l01801" name="l01801"></a><span class="lineno"> 1801</span> }</div>
|
|
<div class="line"><a id="l01802" name="l01802"></a><span class="lineno"> 1802</span> </div>
|
|
<div class="line"><a id="l01803" name="l01803"></a><span class="lineno"> 1803</span> LoadCpModel(mapping_proto, &postsolve_model);</div>
|
|
<div class="line"><a id="l01804" name="l01804"></a><span class="lineno"> 1804</span> SolveLoadedCpModel(mapping_proto, &postsolve_model);</div>
|
|
<div class="line"><a id="l01805" name="l01805"></a><span class="lineno"> 1805</span> <span class="keyword">const</span> CpSolverResponse postsolve_response =</div>
|
|
<div class="line"><a id="l01806" name="l01806"></a><span class="lineno"> 1806</span> postsolve_model.GetOrCreate<SharedResponseManager>()->GetResponse();</div>
|
|
<div class="line"><a id="l01807" name="l01807"></a><span class="lineno"> 1807</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(postsolve_response.status() == CpSolverStatus::FEASIBLE ||</div>
|
|
<div class="line"><a id="l01808" name="l01808"></a><span class="lineno"> 1808</span> postsolve_response.status() == CpSolverStatus::OPTIMAL)</div>
|
|
<div class="line"><a id="l01809" name="l01809"></a><span class="lineno"> 1809</span> << <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(postsolve_response);</div>
|
|
<div class="line"><a id="l01810" name="l01810"></a><span class="lineno"> 1810</span> </div>
|
|
<div class="line"><a id="l01811" name="l01811"></a><span class="lineno"> 1811</span> <span class="comment">// We only copy the solution from the postsolve_response to the response.</span></div>
|
|
<div class="line"><a id="l01812" name="l01812"></a><span class="lineno"> 1812</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(num_variables_in_original_model,</div>
|
|
<div class="line"><a id="l01813" name="l01813"></a><span class="lineno"> 1813</span> postsolve_response.solution().size());</div>
|
|
<div class="line"><a id="l01814" name="l01814"></a><span class="lineno"> 1814</span> solution->assign(</div>
|
|
<div class="line"><a id="l01815" name="l01815"></a><span class="lineno"> 1815</span> postsolve_response.solution().begin(),</div>
|
|
<div class="line"><a id="l01816" name="l01816"></a><span class="lineno"> 1816</span> postsolve_response.solution().begin() + num_variables_in_original_model);</div>
|
|
<div class="line"><a id="l01817" name="l01817"></a><span class="lineno"> 1817</span>}</div>
|
|
<div class="line"><a id="l01818" name="l01818"></a><span class="lineno"> 1818</span> </div>
|
|
<div class="line"><a id="l01819" name="l01819"></a><span class="lineno"> 1819</span><span class="keywordtype">void</span> PostsolveResponseWrapper(<span class="keyword">const</span> SatParameters& params,</div>
|
|
<div class="line"><a id="l01820" name="l01820"></a><span class="lineno"> 1820</span> <span class="keywordtype">int</span> num_variable_in_original_model,</div>
|
|
<div class="line"><a id="l01821" name="l01821"></a><span class="lineno"> 1821</span> <span class="keyword">const</span> CpModelProto& mapping_proto,</div>
|
|
<div class="line"><a id="l01822" name="l01822"></a><span class="lineno"> 1822</span> <span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
|
|
<div class="line"><a id="l01823" name="l01823"></a><span class="lineno"> 1823</span> std::vector<int64_t>* solution) {</div>
|
|
<div class="line"><a id="l01824" name="l01824"></a><span class="lineno"> 1824</span> <span class="keywordflow">if</span> (params.debug_postsolve_with_full_solver()) {</div>
|
|
<div class="line"><a id="l01825" name="l01825"></a><span class="lineno"> 1825</span> PostsolveResponseWithFullSolver(num_variable_in_original_model,</div>
|
|
<div class="line"><a id="l01826" name="l01826"></a><span class="lineno"> 1826</span> mapping_proto, postsolve_mapping, solution);</div>
|
|
<div class="line"><a id="l01827" name="l01827"></a><span class="lineno"> 1827</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01828" name="l01828"></a><span class="lineno"> 1828</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4699c7fe17ad6e3cbf4bc40bc0c4be59">PostsolveResponse</a>(num_variable_in_original_model, mapping_proto,</div>
|
|
<div class="line"><a id="l01829" name="l01829"></a><span class="lineno"> 1829</span> postsolve_mapping, solution);</div>
|
|
<div class="line"><a id="l01830" name="l01830"></a><span class="lineno"> 1830</span> }</div>
|
|
<div class="line"><a id="l01831" name="l01831"></a><span class="lineno"> 1831</span>}</div>
|
|
<div class="line"><a id="l01832" name="l01832"></a><span class="lineno"> 1832</span> </div>
|
|
<div class="line"><a id="l01833" name="l01833"></a><span class="lineno"> 1833</span><span class="comment">// TODO(user): Uniformize this function with the other one.</span></div>
|
|
<div class="line"><a id="l01834" name="l01834"></a><span class="lineno"> 1834</span>CpSolverResponse SolvePureSatModel(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l01835" name="l01835"></a><span class="lineno"> 1835</span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a id="l01836" name="l01836"></a><span class="lineno"> 1836</span> SolverLogger* logger) {</div>
|
|
<div class="line"><a id="l01837" name="l01837"></a><span class="lineno"> 1837</span> std::unique_ptr<SatSolver> solver(<span class="keyword">new</span> SatSolver());</div>
|
|
<div class="line"><a id="l01838" name="l01838"></a><span class="lineno"> 1838</span> SatParameters <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l01839" name="l01839"></a><span class="lineno"> 1839</span> solver->SetParameters(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a id="l01840" name="l01840"></a><span class="lineno"> 1840</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>()->ResetLimitFromParameters(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a id="l01841" name="l01841"></a><span class="lineno"> 1841</span> </div>
|
|
<div class="line"><a id="l01842" name="l01842"></a><span class="lineno"> 1842</span> <span class="comment">// Create a DratProofHandler?</span></div>
|
|
<div class="line"><a id="l01843" name="l01843"></a><span class="lineno"> 1843</span> std::unique_ptr<DratProofHandler> drat_proof_handler;</div>
|
|
<div class="line"><a id="l01844" name="l01844"></a><span class="lineno"> 1844</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l01845" name="l01845"></a><span class="lineno"> 1845</span> <span class="keywordflow">if</span> (!absl::GetFlag(FLAGS_drat_output).empty() ||</div>
|
|
<div class="line"><a id="l01846" name="l01846"></a><span class="lineno"> 1846</span> absl::GetFlag(FLAGS_drat_check)) {</div>
|
|
<div class="line"><a id="l01847" name="l01847"></a><span class="lineno"> 1847</span> <span class="keywordflow">if</span> (!absl::GetFlag(FLAGS_drat_output).empty()) {</div>
|
|
<div class="line"><a id="l01848" name="l01848"></a><span class="lineno"> 1848</span> <a class="code hl_class" href="class_file.html">File</a>* output;</div>
|
|
<div class="line"><a id="l01849" name="l01849"></a><span class="lineno"> 1849</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a>(absl::GetFlag(FLAGS_drat_output), <span class="stringliteral">"w"</span>, &output,</div>
|
|
<div class="line"><a id="l01850" name="l01850"></a><span class="lineno"> 1850</span> <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l01851" name="l01851"></a><span class="lineno"> 1851</span> drat_proof_handler = absl::make_unique<DratProofHandler>(</div>
|
|
<div class="line"><a id="l01852" name="l01852"></a><span class="lineno"> 1852</span> <span class="comment">/*in_binary_format=*/</span><span class="keyword">false</span>, output, absl::GetFlag(FLAGS_drat_check));</div>
|
|
<div class="line"><a id="l01853" name="l01853"></a><span class="lineno"> 1853</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01854" name="l01854"></a><span class="lineno"> 1854</span> drat_proof_handler = absl::make_unique<DratProofHandler>();</div>
|
|
<div class="line"><a id="l01855" name="l01855"></a><span class="lineno"> 1855</span> }</div>
|
|
<div class="line"><a id="l01856" name="l01856"></a><span class="lineno"> 1856</span> solver->SetDratProofHandler(drat_proof_handler.get());</div>
|
|
<div class="line"><a id="l01857" name="l01857"></a><span class="lineno"> 1857</span> }</div>
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<div class="line"><a id="l01858" name="l01858"></a><span class="lineno"> 1858</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
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<div class="line"><a id="l01859" name="l01859"></a><span class="lineno"> 1859</span> </div>
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<div class="line"><a id="l01860" name="l01860"></a><span class="lineno"> 1860</span> <span class="keyword">auto</span> get_literal = [](<span class="keywordtype">int</span> ref) {</div>
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<div class="line"><a id="l01861" name="l01861"></a><span class="lineno"> 1861</span> <span class="keywordflow">if</span> (ref >= 0) <span class="keywordflow">return</span> Literal(BooleanVariable(ref), <span class="keyword">true</span>);</div>
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<div class="line"><a id="l01862" name="l01862"></a><span class="lineno"> 1862</span> <span class="keywordflow">return</span> Literal(BooleanVariable(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref)), <span class="keyword">false</span>);</div>
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<div class="line"><a id="l01863" name="l01863"></a><span class="lineno"> 1863</span> };</div>
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<div class="line"><a id="l01864" name="l01864"></a><span class="lineno"> 1864</span> </div>
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<div class="line"><a id="l01865" name="l01865"></a><span class="lineno"> 1865</span> std::vector<Literal> temp;</div>
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<div class="line"><a id="l01866" name="l01866"></a><span class="lineno"> 1866</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_variables = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size();</div>
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<div class="line"><a id="l01867" name="l01867"></a><span class="lineno"> 1867</span> solver->SetNumVariables(num_variables);</div>
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<div class="line"><a id="l01868" name="l01868"></a><span class="lineno"> 1868</span> <span class="keywordflow">if</span> (drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l01869" name="l01869"></a><span class="lineno"> 1869</span> drat_proof_handler->SetNumVariables(num_variables);</div>
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<div class="line"><a id="l01870" name="l01870"></a><span class="lineno"> 1870</span> </div>
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<div class="line"><a id="l01871" name="l01871"></a><span class="lineno"> 1871</span> <span class="comment">// We load the model in the drat_proof_handler for the case where we want</span></div>
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<div class="line"><a id="l01872" name="l01872"></a><span class="lineno"> 1872</span> <span class="comment">// to do in-memory checking.</span></div>
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<div class="line"><a id="l01873" name="l01873"></a><span class="lineno"> 1873</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
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<div class="line"><a id="l01874" name="l01874"></a><span class="lineno"> 1874</span> <span class="keyword">const</span> Domain domain = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(ref));</div>
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<div class="line"><a id="l01875" name="l01875"></a><span class="lineno"> 1875</span> <span class="keywordflow">if</span> (domain.IsFixed()) {</div>
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<div class="line"><a id="l01876" name="l01876"></a><span class="lineno"> 1876</span> <span class="keyword">const</span> Literal ref_literal =</div>
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<div class="line"><a id="l01877" name="l01877"></a><span class="lineno"> 1877</span> domain.Min() == 0 ? get_literal(ref).Negated() : get_literal(ref);</div>
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<div class="line"><a id="l01878" name="l01878"></a><span class="lineno"> 1878</span> drat_proof_handler->AddProblemClause({ref_literal});</div>
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<div class="line"><a id="l01879" name="l01879"></a><span class="lineno"> 1879</span> }</div>
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<div class="line"><a id="l01880" name="l01880"></a><span class="lineno"> 1880</span> }</div>
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<div class="line"><a id="l01881" name="l01881"></a><span class="lineno"> 1881</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
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<div class="line"><a id="l01882" name="l01882"></a><span class="lineno"> 1882</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
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<div class="line"><a id="l01883" name="l01883"></a><span class="lineno"> 1883</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolAnd: {</div>
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<div class="line"><a id="l01884" name="l01884"></a><span class="lineno"> 1884</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal_size() == 0) {</div>
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|
<div class="line"><a id="l01885" name="l01885"></a><span class="lineno"> 1885</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
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|
<div class="line"><a id="l01886" name="l01886"></a><span class="lineno"> 1886</span> drat_proof_handler->AddProblemClause({get_literal(ref)});</div>
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|
<div class="line"><a id="l01887" name="l01887"></a><span class="lineno"> 1887</span> }</div>
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<div class="line"><a id="l01888" name="l01888"></a><span class="lineno"> 1888</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01889" name="l01889"></a><span class="lineno"> 1889</span> <span class="comment">// a => b</span></div>
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<div class="line"><a id="l01890" name="l01890"></a><span class="lineno"> 1890</span> <span class="keyword">const</span> Literal not_a =</div>
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<div class="line"><a id="l01891" name="l01891"></a><span class="lineno"> 1891</span> get_literal(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(0)).Negated();</div>
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<div class="line"><a id="l01892" name="l01892"></a><span class="lineno"> 1892</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
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<div class="line"><a id="l01893" name="l01893"></a><span class="lineno"> 1893</span> drat_proof_handler->AddProblemClause({not_a, get_literal(ref)});</div>
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<div class="line"><a id="l01894" name="l01894"></a><span class="lineno"> 1894</span> }</div>
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|
<div class="line"><a id="l01895" name="l01895"></a><span class="lineno"> 1895</span> }</div>
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|
<div class="line"><a id="l01896" name="l01896"></a><span class="lineno"> 1896</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l01897" name="l01897"></a><span class="lineno"> 1897</span> }</div>
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|
<div class="line"><a id="l01898" name="l01898"></a><span class="lineno"> 1898</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolOr:</div>
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<div class="line"><a id="l01899" name="l01899"></a><span class="lineno"> 1899</span> temp.clear();</div>
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|
<div class="line"><a id="l01900" name="l01900"></a><span class="lineno"> 1900</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals()) {</div>
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<div class="line"><a id="l01901" name="l01901"></a><span class="lineno"> 1901</span> temp.push_back(get_literal(ref));</div>
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<div class="line"><a id="l01902" name="l01902"></a><span class="lineno"> 1902</span> }</div>
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|
<div class="line"><a id="l01903" name="l01903"></a><span class="lineno"> 1903</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
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<div class="line"><a id="l01904" name="l01904"></a><span class="lineno"> 1904</span> temp.push_back(get_literal(ref).Negated());</div>
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<div class="line"><a id="l01905" name="l01905"></a><span class="lineno"> 1905</span> }</div>
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|
<div class="line"><a id="l01906" name="l01906"></a><span class="lineno"> 1906</span> drat_proof_handler->AddProblemClause(temp);</div>
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|
<div class="line"><a id="l01907" name="l01907"></a><span class="lineno"> 1907</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l01908" name="l01908"></a><span class="lineno"> 1908</span> <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a id="l01909" name="l01909"></a><span class="lineno"> 1909</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Not supported"</span>;</div>
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|
<div class="line"><a id="l01910" name="l01910"></a><span class="lineno"> 1910</span> }</div>
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<div class="line"><a id="l01911" name="l01911"></a><span class="lineno"> 1911</span> }</div>
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|
<div class="line"><a id="l01912" name="l01912"></a><span class="lineno"> 1912</span> }</div>
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|
<div class="line"><a id="l01913" name="l01913"></a><span class="lineno"> 1913</span> </div>
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|
<div class="line"><a id="l01914" name="l01914"></a><span class="lineno"> 1914</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
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<div class="line"><a id="l01915" name="l01915"></a><span class="lineno"> 1915</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
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|
<div class="line"><a id="l01916" name="l01916"></a><span class="lineno"> 1916</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolAnd: {</div>
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<div class="line"><a id="l01917" name="l01917"></a><span class="lineno"> 1917</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal_size() == 0) {</div>
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|
<div class="line"><a id="l01918" name="l01918"></a><span class="lineno"> 1918</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
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<div class="line"><a id="l01919" name="l01919"></a><span class="lineno"> 1919</span> <span class="keyword">const</span> Literal <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = get_literal(ref);</div>
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<div class="line"><a id="l01920" name="l01920"></a><span class="lineno"> 1920</span> solver->AddUnitClause(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>);</div>
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<div class="line"><a id="l01921" name="l01921"></a><span class="lineno"> 1921</span> }</div>
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<div class="line"><a id="l01922" name="l01922"></a><span class="lineno"> 1922</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01923" name="l01923"></a><span class="lineno"> 1923</span> <span class="comment">// a => b</span></div>
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<div class="line"><a id="l01924" name="l01924"></a><span class="lineno"> 1924</span> <span class="keyword">const</span> Literal not_a =</div>
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<div class="line"><a id="l01925" name="l01925"></a><span class="lineno"> 1925</span> get_literal(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(0)).Negated();</div>
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<div class="line"><a id="l01926" name="l01926"></a><span class="lineno"> 1926</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
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<div class="line"><a id="l01927" name="l01927"></a><span class="lineno"> 1927</span> <span class="keyword">const</span> Literal <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = get_literal(ref);</div>
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<div class="line"><a id="l01928" name="l01928"></a><span class="lineno"> 1928</span> solver->AddProblemClause({not_a, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>});</div>
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<div class="line"><a id="l01929" name="l01929"></a><span class="lineno"> 1929</span> }</div>
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<div class="line"><a id="l01930" name="l01930"></a><span class="lineno"> 1930</span> }</div>
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<div class="line"><a id="l01931" name="l01931"></a><span class="lineno"> 1931</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l01932" name="l01932"></a><span class="lineno"> 1932</span> }</div>
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<div class="line"><a id="l01933" name="l01933"></a><span class="lineno"> 1933</span> <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolOr:</div>
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<div class="line"><a id="l01934" name="l01934"></a><span class="lineno"> 1934</span> temp.clear();</div>
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<div class="line"><a id="l01935" name="l01935"></a><span class="lineno"> 1935</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals()) {</div>
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<div class="line"><a id="l01936" name="l01936"></a><span class="lineno"> 1936</span> temp.push_back(get_literal(ref));</div>
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<div class="line"><a id="l01937" name="l01937"></a><span class="lineno"> 1937</span> }</div>
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<div class="line"><a id="l01938" name="l01938"></a><span class="lineno"> 1938</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
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<div class="line"><a id="l01939" name="l01939"></a><span class="lineno"> 1939</span> temp.push_back(get_literal(ref).Negated());</div>
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<div class="line"><a id="l01940" name="l01940"></a><span class="lineno"> 1940</span> }</div>
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<div class="line"><a id="l01941" name="l01941"></a><span class="lineno"> 1941</span> solver->AddProblemClause(temp);</div>
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<div class="line"><a id="l01942" name="l01942"></a><span class="lineno"> 1942</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l01943" name="l01943"></a><span class="lineno"> 1943</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l01944" name="l01944"></a><span class="lineno"> 1944</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Not supported"</span>;</div>
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<div class="line"><a id="l01945" name="l01945"></a><span class="lineno"> 1945</span> }</div>
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<div class="line"><a id="l01946" name="l01946"></a><span class="lineno"> 1946</span> }</div>
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<div class="line"><a id="l01947" name="l01947"></a><span class="lineno"> 1947</span> </div>
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<div class="line"><a id="l01948" name="l01948"></a><span class="lineno"> 1948</span> <span class="comment">// Deal with fixed variables.</span></div>
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<div class="line"><a id="l01949" name="l01949"></a><span class="lineno"> 1949</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
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<div class="line"><a id="l01950" name="l01950"></a><span class="lineno"> 1950</span> <span class="keyword">const</span> Domain domain = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(ref));</div>
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<div class="line"><a id="l01951" name="l01951"></a><span class="lineno"> 1951</span> <span class="keywordflow">if</span> (domain.Min() == domain.Max()) {</div>
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<div class="line"><a id="l01952" name="l01952"></a><span class="lineno"> 1952</span> <span class="keyword">const</span> Literal ref_literal =</div>
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<div class="line"><a id="l01953" name="l01953"></a><span class="lineno"> 1953</span> domain.Min() == 0 ? get_literal(ref).Negated() : get_literal(ref);</div>
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<div class="line"><a id="l01954" name="l01954"></a><span class="lineno"> 1954</span> solver->AddUnitClause(ref_literal);</div>
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<div class="line"><a id="l01955" name="l01955"></a><span class="lineno"> 1955</span> }</div>
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<div class="line"><a id="l01956" name="l01956"></a><span class="lineno"> 1956</span> }</div>
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<div class="line"><a id="l01957" name="l01957"></a><span class="lineno"> 1957</span> </div>
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<div class="line"><a id="l01958" name="l01958"></a><span class="lineno"> 1958</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>;</div>
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<div class="line"><a id="l01959" name="l01959"></a><span class="lineno"> 1959</span> CpSolverResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l01960" name="l01960"></a><span class="lineno"> 1960</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_model_presolve()) {</div>
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<div class="line"><a id="l01961" name="l01961"></a><span class="lineno"> 1961</span> std::vector<bool> solution;</div>
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<div class="line"><a id="l01962" name="l01962"></a><span class="lineno"> 1962</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ac72c9c226ad6604afc77b5392c60c086">SolveWithPresolve</a>(&solver, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>(),</div>
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<div class="line"><a id="l01963" name="l01963"></a><span class="lineno"> 1963</span> &solution, drat_proof_handler.get(), logger);</div>
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<div class="line"><a id="l01964" name="l01964"></a><span class="lineno"> 1964</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
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<div class="line"><a id="l01965" name="l01965"></a><span class="lineno"> 1965</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.clear_solution();</div>
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<div class="line"><a id="l01966" name="l01966"></a><span class="lineno"> 1966</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
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<div class="line"><a id="l01967" name="l01967"></a><span class="lineno"> 1967</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_solution(solution[ref]);</div>
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<div class="line"><a id="l01968" name="l01968"></a><span class="lineno"> 1968</span> }</div>
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|
<div class="line"><a id="l01969" name="l01969"></a><span class="lineno"> 1969</span> }</div>
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<div class="line"><a id="l01970" name="l01970"></a><span class="lineno"> 1970</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01971" name="l01971"></a><span class="lineno"> 1971</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = solver->SolveWithTimeLimit(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>());</div>
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<div class="line"><a id="l01972" name="l01972"></a><span class="lineno"> 1972</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
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<div class="line"><a id="l01973" name="l01973"></a><span class="lineno"> 1973</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.clear_solution();</div>
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<div class="line"><a id="l01974" name="l01974"></a><span class="lineno"> 1974</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
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<div class="line"><a id="l01975" name="l01975"></a><span class="lineno"> 1975</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_solution(</div>
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<div class="line"><a id="l01976" name="l01976"></a><span class="lineno"> 1976</span> solver->Assignment().LiteralIsTrue(get_literal(ref)) ? 1 : 0);</div>
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|
<div class="line"><a id="l01977" name="l01977"></a><span class="lineno"> 1977</span> }</div>
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<div class="line"><a id="l01978" name="l01978"></a><span class="lineno"> 1978</span> }</div>
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|
<div class="line"><a id="l01979" name="l01979"></a><span class="lineno"> 1979</span> }</div>
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<div class="line"><a id="l01980" name="l01980"></a><span class="lineno"> 1980</span> </div>
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<div class="line"><a id="l01981" name="l01981"></a><span class="lineno"> 1981</span> <span class="comment">// Tricky: the model local time limit is updated by the new functions, but</span></div>
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|
<div class="line"><a id="l01982" name="l01982"></a><span class="lineno"> 1982</span> <span class="comment">// the old ones update time_limit directly.</span></div>
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<div class="line"><a id="l01983" name="l01983"></a><span class="lineno"> 1983</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>()->AdvanceDeterministicTime(</div>
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|
<div class="line"><a id="l01984" name="l01984"></a><span class="lineno"> 1984</span> solver->model()->GetOrCreate<TimeLimit>()->GetElapsedDeterministicTime());</div>
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<div class="line"><a id="l01985" name="l01985"></a><span class="lineno"> 1985</span> </div>
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<div class="line"><a id="l01986" name="l01986"></a><span class="lineno"> 1986</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l01987" name="l01987"></a><span class="lineno"> 1987</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">SatSolver::LIMIT_REACHED</a>: {</div>
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|
<div class="line"><a id="l01988" name="l01988"></a><span class="lineno"> 1988</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(CpSolverStatus::UNKNOWN);</div>
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<div class="line"><a id="l01989" name="l01989"></a><span class="lineno"> 1989</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l01990" name="l01990"></a><span class="lineno"> 1990</span> }</div>
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<div class="line"><a id="l01991" name="l01991"></a><span class="lineno"> 1991</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>: {</div>
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|
<div class="line"><a id="l01992" name="l01992"></a><span class="lineno"> 1992</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(</div>
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<div class="line"><a id="l01993" name="l01993"></a><span class="lineno"> 1993</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, std::vector<int64_t>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().begin(),</div>
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<div class="line"><a id="l01994" name="l01994"></a><span class="lineno"> 1994</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().end())));</div>
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<div class="line"><a id="l01995" name="l01995"></a><span class="lineno"> 1995</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(CpSolverStatus::OPTIMAL);</div>
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|
<div class="line"><a id="l01996" name="l01996"></a><span class="lineno"> 1996</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l01997" name="l01997"></a><span class="lineno"> 1997</span> }</div>
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|
<div class="line"><a id="l01998" name="l01998"></a><span class="lineno"> 1998</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a>: {</div>
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<div class="line"><a id="l01999" name="l01999"></a><span class="lineno"> 1999</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(CpSolverStatus::INFEASIBLE);</div>
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|
<div class="line"><a id="l02000" name="l02000"></a><span class="lineno"> 2000</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l02001" name="l02001"></a><span class="lineno"> 2001</span> }</div>
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<div class="line"><a id="l02002" name="l02002"></a><span class="lineno"> 2002</span> <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a id="l02003" name="l02003"></a><span class="lineno"> 2003</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unexpected SatSolver::Status "</span> << <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>;</div>
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<div class="line"><a id="l02004" name="l02004"></a><span class="lineno"> 2004</span> }</div>
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|
<div class="line"><a id="l02005" name="l02005"></a><span class="lineno"> 2005</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_booleans(solver->NumVariables());</div>
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|
<div class="line"><a id="l02006" name="l02006"></a><span class="lineno"> 2006</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_branches(solver->num_branches());</div>
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<div class="line"><a id="l02007" name="l02007"></a><span class="lineno"> 2007</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_conflicts(solver->num_failures());</div>
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|
<div class="line"><a id="l02008" name="l02008"></a><span class="lineno"> 2008</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_binary_propagations(solver->num_propagations());</div>
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|
<div class="line"><a id="l02009" name="l02009"></a><span class="lineno"> 2009</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_integer_propagations(0);</div>
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|
<div class="line"><a id="l02010" name="l02010"></a><span class="lineno"> 2010</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_wall_time(<a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
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<div class="line"><a id="l02011" name="l02011"></a><span class="lineno"> 2011</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_deterministic_time(</div>
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|
<div class="line"><a id="l02012" name="l02012"></a><span class="lineno"> 2012</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<TimeLimit>()->GetElapsedDeterministicTime());</div>
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|
<div class="line"><a id="l02013" name="l02013"></a><span class="lineno"> 2013</span> </div>
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<div class="line"><a id="l02014" name="l02014"></a><span class="lineno"> 2014</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a> && drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l02015" name="l02015"></a><span class="lineno"> 2015</span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a> drat_timer;</div>
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|
<div class="line"><a id="l02016" name="l02016"></a><span class="lineno"> 2016</span> drat_timer.<a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
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|
<div class="line"><a id="l02017" name="l02017"></a><span class="lineno"> 2017</span> <a class="code hl_enumeration" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">DratChecker::Status</a> drat_status = drat_proof_handler->Check(</div>
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|
<div class="line"><a id="l02018" name="l02018"></a><span class="lineno"> 2018</span> absl::GetFlag(FLAGS_max_drat_time_in_seconds));</div>
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|
<div class="line"><a id="l02019" name="l02019"></a><span class="lineno"> 2019</span> <span class="keywordflow">switch</span> (drat_status) {</div>
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|
<div class="line"><a id="l02020" name="l02020"></a><span class="lineno"> 2020</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba6ce26a62afab55d7606ad4e92428b30c">DratChecker::UNKNOWN</a>:</div>
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<div class="line"><a id="l02021" name="l02021"></a><span class="lineno"> 2021</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT status: UNKNOWN"</span>;</div>
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<div class="line"><a id="l02022" name="l02022"></a><span class="lineno"> 2022</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l02023" name="l02023"></a><span class="lineno"> 2023</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70bacf0713491d9b887eaccfd80c18abca47">DratChecker::VALID</a>:</div>
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<div class="line"><a id="l02024" name="l02024"></a><span class="lineno"> 2024</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT status: VALID"</span>;</div>
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<div class="line"><a id="l02025" name="l02025"></a><span class="lineno"> 2025</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l02026" name="l02026"></a><span class="lineno"> 2026</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70baef2863a469df3ea6871d640e3669a2f2">DratChecker::INVALID</a>:</div>
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<div class="line"><a id="l02027" name="l02027"></a><span class="lineno"> 2027</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(ERROR) << <span class="stringliteral">"DRAT status: INVALID"</span>;</div>
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<div class="line"><a id="l02028" name="l02028"></a><span class="lineno"> 2028</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l02029" name="l02029"></a><span class="lineno"> 2029</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l02030" name="l02030"></a><span class="lineno"> 2030</span> <span class="comment">// Should not happen.</span></div>
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<div class="line"><a id="l02031" name="l02031"></a><span class="lineno"> 2031</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l02032" name="l02032"></a><span class="lineno"> 2032</span> }</div>
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<div class="line"><a id="l02033" name="l02033"></a><span class="lineno"> 2033</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT wall time: "</span> << drat_timer.<a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>();</div>
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<div class="line"><a id="l02034" name="l02034"></a><span class="lineno"> 2034</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l02035" name="l02035"></a><span class="lineno"> 2035</span> <span class="comment">// Always log a DRAT status to make it easier to extract it from a multirun</span></div>
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<div class="line"><a id="l02036" name="l02036"></a><span class="lineno"> 2036</span> <span class="comment">// result with awk.</span></div>
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<div class="line"><a id="l02037" name="l02037"></a><span class="lineno"> 2037</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT status: NA"</span>;</div>
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<div class="line"><a id="l02038" name="l02038"></a><span class="lineno"> 2038</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT wall time: NA"</span>;</div>
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<div class="line"><a id="l02039" name="l02039"></a><span class="lineno"> 2039</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"DRAT user time: NA"</span>;</div>
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<div class="line"><a id="l02040" name="l02040"></a><span class="lineno"> 2040</span> }</div>
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<div class="line"><a id="l02041" name="l02041"></a><span class="lineno"> 2041</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l02042" name="l02042"></a><span class="lineno"> 2042</span>}</div>
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<div class="line"><a id="l02043" name="l02043"></a><span class="lineno"> 2043</span> </div>
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<div class="line"><a id="l02044" name="l02044"></a><span class="lineno"> 2044</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
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<div class="line"><a id="l02045" name="l02045"></a><span class="lineno"> 2045</span> </div>
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<div class="line"><a id="l02046" name="l02046"></a><span class="lineno"> 2046</span><span class="comment">// Small wrapper to simplify the constructions of the two SubSolver below.</span></div>
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<div class="line"><a id="l02047" name="l02047"></a><span class="lineno"> 2047</span><span class="keyword">struct </span>SharedClasses {</div>
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<div class="line"><a id="l02048" name="l02048"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84"> 2048</a></span> CpModelProto <span class="keyword">const</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
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<div class="line"><a id="l02049" name="l02049"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf"> 2049</a></span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>;</div>
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<div class="line"><a id="l02050" name="l02050"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21"> 2050</a></span> ModelSharedTimeLimit* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>;</div>
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<div class="line"><a id="l02051" name="l02051"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a06dad0852d85b0686e01c084207c03a7"> 2051</a></span> SharedBoundsManager* <a class="code hl_variable" href="cp__model__solver_8cc.html#a06dad0852d85b0686e01c084207c03a7">bounds</a>;</div>
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<div class="line"><a id="l02052" name="l02052"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829"> 2052</a></span> SharedResponseManager* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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|
<div class="line"><a id="l02053" name="l02053"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8"> 2053</a></span> SharedRelaxationSolutionRepository* <a class="code hl_variable" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a>;</div>
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<div class="line"><a id="l02054" name="l02054"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606"> 2054</a></span> SharedLPSolutionRepository* <a class="code hl_variable" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a>;</div>
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<div class="line"><a id="l02055" name="l02055"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4"> 2055</a></span> SharedIncompleteSolutionManager* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a>;</div>
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|
<div class="line"><a id="l02056" name="l02056"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a21696c8707868a3d522d1bee261f4185"> 2056</a></span> SharedClausesManager* <a class="code hl_variable" href="cp__model__solver_8cc.html#a21696c8707868a3d522d1bee261f4185">clauses</a>;</div>
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|
<div class="line"><a id="l02057" name="l02057"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103"> 2057</a></span> Model* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>;</div>
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|
<div class="line"><a id="l02058" name="l02058"></a><span class="lineno"> 2058</span> </div>
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|
<div class="line"><a id="l02059" name="l02059"></a><span class="lineno"> 2059</span> <span class="keywordtype">bool</span> SearchIsDone() {</div>
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|
<div class="line"><a id="l02060" name="l02060"></a><span class="lineno"> 2060</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->ProblemIsSolved()) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l02061" name="l02061"></a><span class="lineno"> 2061</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->LimitReached()) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l02062" name="l02062"></a><span class="lineno"> 2062</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02063" name="l02063"></a><span class="lineno"> 2063</span> }</div>
|
|
<div class="line"><a id="l02064" name="l02064"></a><span class="lineno"> 2064</span>};</div>
|
|
<div class="line"><a id="l02065" name="l02065"></a><span class="lineno"> 2065</span> </div>
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|
<div class="line"><a id="l02066" name="l02066"></a><span class="lineno"> 2066</span><span class="comment">// Encapsulate a full CP-SAT solve without presolve in the SubSolver API.</span></div>
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|
<div class="line"><a id="l02067" name="l02067"></a><span class="lineno"> 2067</span><span class="keyword">class </span>FullProblemSolver : <span class="keyword">public</span> SubSolver {</div>
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|
<div class="line"><a id="l02068" name="l02068"></a><span class="lineno"> 2068</span> <span class="keyword">public</span>:</div>
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|
<div class="line"><a id="l02069" name="l02069"></a><span class="lineno"> 2069</span> FullProblemSolver(<span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
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|
<div class="line"><a id="l02070" name="l02070"></a><span class="lineno"> 2070</span> <span class="keyword">const</span> SatParameters& local_parameters, <span class="keywordtype">bool</span> split_in_chunks,</div>
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|
<div class="line"><a id="l02071" name="l02071"></a><span class="lineno"> 2071</span> SharedClasses* shared)</div>
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<div class="line"><a id="l02072" name="l02072"></a><span class="lineno"> 2072</span> : SubSolver(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>),</div>
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|
<div class="line"><a id="l02073" name="l02073"></a><span class="lineno"> 2073</span> shared_(shared),</div>
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|
<div class="line"><a id="l02074" name="l02074"></a><span class="lineno"> 2074</span> split_in_chunks_(split_in_chunks),</div>
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|
<div class="line"><a id="l02075" name="l02075"></a><span class="lineno"> 2075</span> local_model_(<a class="code hl_namespace" href="namespaceabsl.html">absl</a>::make_unique<Model>(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
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|
<div class="line"><a id="l02076" name="l02076"></a><span class="lineno"> 2076</span> <span class="comment">// Setup the local model parameters and time limit.</span></div>
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|
<div class="line"><a id="l02077" name="l02077"></a><span class="lineno"> 2077</span> *(local_model_->GetOrCreate<SatParameters>()) = local_parameters;</div>
|
|
<div class="line"><a id="l02078" name="l02078"></a><span class="lineno"> 2078</span> shared_->time_limit->UpdateLocalLimit(</div>
|
|
<div class="line"><a id="l02079" name="l02079"></a><span class="lineno"> 2079</span> local_model_->GetOrCreate<TimeLimit>());</div>
|
|
<div class="line"><a id="l02080" name="l02080"></a><span class="lineno"> 2080</span> </div>
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|
<div class="line"><a id="l02081" name="l02081"></a><span class="lineno"> 2081</span> <span class="keywordflow">if</span> (shared->response != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l02082" name="l02082"></a><span class="lineno"> 2082</span> local_model_->Register<SharedResponseManager>(shared->response);</div>
|
|
<div class="line"><a id="l02083" name="l02083"></a><span class="lineno"> 2083</span> }</div>
|
|
<div class="line"><a id="l02084" name="l02084"></a><span class="lineno"> 2084</span> </div>
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|
<div class="line"><a id="l02085" name="l02085"></a><span class="lineno"> 2085</span> <span class="keywordflow">if</span> (shared->relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l02086" name="l02086"></a><span class="lineno"> 2086</span> local_model_->Register<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a id="l02087" name="l02087"></a><span class="lineno"> 2087</span> shared->relaxation_solutions);</div>
|
|
<div class="line"><a id="l02088" name="l02088"></a><span class="lineno"> 2088</span> }</div>
|
|
<div class="line"><a id="l02089" name="l02089"></a><span class="lineno"> 2089</span> </div>
|
|
<div class="line"><a id="l02090" name="l02090"></a><span class="lineno"> 2090</span> <span class="keywordflow">if</span> (shared->lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02091" name="l02091"></a><span class="lineno"> 2091</span> local_model_->Register<SharedLPSolutionRepository>(shared->lp_solutions);</div>
|
|
<div class="line"><a id="l02092" name="l02092"></a><span class="lineno"> 2092</span> }</div>
|
|
<div class="line"><a id="l02093" name="l02093"></a><span class="lineno"> 2093</span> </div>
|
|
<div class="line"><a id="l02094" name="l02094"></a><span class="lineno"> 2094</span> <span class="keywordflow">if</span> (shared->incomplete_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02095" name="l02095"></a><span class="lineno"> 2095</span> local_model_->Register<SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a id="l02096" name="l02096"></a><span class="lineno"> 2096</span> shared->incomplete_solutions);</div>
|
|
<div class="line"><a id="l02097" name="l02097"></a><span class="lineno"> 2097</span> }</div>
|
|
<div class="line"><a id="l02098" name="l02098"></a><span class="lineno"> 2098</span> </div>
|
|
<div class="line"><a id="l02099" name="l02099"></a><span class="lineno"> 2099</span> <span class="keywordflow">if</span> (shared->bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02100" name="l02100"></a><span class="lineno"> 2100</span> local_model_->Register<SharedBoundsManager>(shared->bounds);</div>
|
|
<div class="line"><a id="l02101" name="l02101"></a><span class="lineno"> 2101</span> }</div>
|
|
<div class="line"><a id="l02102" name="l02102"></a><span class="lineno"> 2102</span> </div>
|
|
<div class="line"><a id="l02103" name="l02103"></a><span class="lineno"> 2103</span> <span class="keywordflow">if</span> (shared->clauses != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02104" name="l02104"></a><span class="lineno"> 2104</span> local_model_->Register<SharedClausesManager>(shared->clauses);</div>
|
|
<div class="line"><a id="l02105" name="l02105"></a><span class="lineno"> 2105</span> }</div>
|
|
<div class="line"><a id="l02106" name="l02106"></a><span class="lineno"> 2106</span> }</div>
|
|
<div class="line"><a id="l02107" name="l02107"></a><span class="lineno"> 2107</span> </div>
|
|
<div class="line"><a id="l02108" name="l02108"></a><span class="lineno"> 2108</span> <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02109" name="l02109"></a><span class="lineno"> 2109</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02110" name="l02110"></a><span class="lineno"> 2110</span> </div>
|
|
<div class="line"><a id="l02111" name="l02111"></a><span class="lineno"> 2111</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02112" name="l02112"></a><span class="lineno"> 2112</span> <span class="keywordflow">return</span> previous_task_is_completed_;</div>
|
|
<div class="line"><a id="l02113" name="l02113"></a><span class="lineno"> 2113</span> }</div>
|
|
<div class="line"><a id="l02114" name="l02114"></a><span class="lineno"> 2114</span> </div>
|
|
<div class="line"><a id="l02115" name="l02115"></a><span class="lineno"> 2115</span> std::function<void()> GenerateTask(int64_t task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02116" name="l02116"></a><span class="lineno"> 2116</span> {</div>
|
|
<div class="line"><a id="l02117" name="l02117"></a><span class="lineno"> 2117</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02118" name="l02118"></a><span class="lineno"> 2118</span> previous_task_is_completed_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02119" name="l02119"></a><span class="lineno"> 2119</span> }</div>
|
|
<div class="line"><a id="l02120" name="l02120"></a><span class="lineno"> 2120</span> <span class="keywordflow">return</span> [<span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a id="l02121" name="l02121"></a><span class="lineno"> 2121</span> <span class="keywordflow">if</span> (solving_first_chunk_) {</div>
|
|
<div class="line"><a id="l02122" name="l02122"></a><span class="lineno"> 2122</span> LoadCpModel(*shared_->model_proto, local_model_.get());</div>
|
|
<div class="line"><a id="l02123" name="l02123"></a><span class="lineno"> 2123</span> </div>
|
|
<div class="line"><a id="l02124" name="l02124"></a><span class="lineno"> 2124</span> <span class="comment">// Level zero variable bounds sharing. It is important to register</span></div>
|
|
<div class="line"><a id="l02125" name="l02125"></a><span class="lineno"> 2125</span> <span class="comment">// that after the probing that takes place in LoadCpModel() otherwise</span></div>
|
|
<div class="line"><a id="l02126" name="l02126"></a><span class="lineno"> 2126</span> <span class="comment">// we will have a mutex contention issue when all the thread probes</span></div>
|
|
<div class="line"><a id="l02127" name="l02127"></a><span class="lineno"> 2127</span> <span class="comment">// at the same time.</span></div>
|
|
<div class="line"><a id="l02128" name="l02128"></a><span class="lineno"> 2128</span> <span class="keywordflow">if</span> (shared_->bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02129" name="l02129"></a><span class="lineno"> 2129</span> RegisterVariableBoundsLevelZeroExport(</div>
|
|
<div class="line"><a id="l02130" name="l02130"></a><span class="lineno"> 2130</span> *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a id="l02131" name="l02131"></a><span class="lineno"> 2131</span> RegisterVariableBoundsLevelZeroImport(</div>
|
|
<div class="line"><a id="l02132" name="l02132"></a><span class="lineno"> 2132</span> *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a id="l02133" name="l02133"></a><span class="lineno"> 2133</span> }</div>
|
|
<div class="line"><a id="l02134" name="l02134"></a><span class="lineno"> 2134</span> </div>
|
|
<div class="line"><a id="l02135" name="l02135"></a><span class="lineno"> 2135</span> <span class="comment">// Note that this is done after the loading, so we will never export</span></div>
|
|
<div class="line"><a id="l02136" name="l02136"></a><span class="lineno"> 2136</span> <span class="comment">// problem clauses. We currently also never export binary clauses added</span></div>
|
|
<div class="line"><a id="l02137" name="l02137"></a><span class="lineno"> 2137</span> <span class="comment">// by the initial probing.</span></div>
|
|
<div class="line"><a id="l02138" name="l02138"></a><span class="lineno"> 2138</span> <span class="keywordflow">if</span> (shared_->clauses != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02139" name="l02139"></a><span class="lineno"> 2139</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = shared_->clauses->RegisterNewId();</div>
|
|
<div class="line"><a id="l02140" name="l02140"></a><span class="lineno"> 2140</span> shared_->clauses->SetWorkerNameForId(<span class="keywordtype">id</span>, local_model_->Name());</div>
|
|
<div class="line"><a id="l02141" name="l02141"></a><span class="lineno"> 2141</span> </div>
|
|
<div class="line"><a id="l02142" name="l02142"></a><span class="lineno"> 2142</span> RegisterClausesLevelZeroImport(<span class="keywordtype">id</span>, shared_->clauses,</div>
|
|
<div class="line"><a id="l02143" name="l02143"></a><span class="lineno"> 2143</span> local_model_.get());</div>
|
|
<div class="line"><a id="l02144" name="l02144"></a><span class="lineno"> 2144</span> RegisterClausesExport(<span class="keywordtype">id</span>, shared_->clauses, local_model_.get());</div>
|
|
<div class="line"><a id="l02145" name="l02145"></a><span class="lineno"> 2145</span> }</div>
|
|
<div class="line"><a id="l02146" name="l02146"></a><span class="lineno"> 2146</span> </div>
|
|
<div class="line"><a id="l02147" name="l02147"></a><span class="lineno"> 2147</span> <span class="keywordflow">if</span> (local_model_->GetOrCreate<SatParameters>()->repair_hint()) {</div>
|
|
<div class="line"><a id="l02148" name="l02148"></a><span class="lineno"> 2148</span> MinimizeL1DistanceWithHint(*shared_->model_proto, local_model_.get());</div>
|
|
<div class="line"><a id="l02149" name="l02149"></a><span class="lineno"> 2149</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l02150" name="l02150"></a><span class="lineno"> 2150</span> QuickSolveWithHint(*shared_->model_proto, local_model_.get());</div>
|
|
<div class="line"><a id="l02151" name="l02151"></a><span class="lineno"> 2151</span> }</div>
|
|
<div class="line"><a id="l02152" name="l02152"></a><span class="lineno"> 2152</span> </div>
|
|
<div class="line"><a id="l02153" name="l02153"></a><span class="lineno"> 2153</span> <span class="comment">// No need for mutex since we only run one task at the time.</span></div>
|
|
<div class="line"><a id="l02154" name="l02154"></a><span class="lineno"> 2154</span> solving_first_chunk_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02155" name="l02155"></a><span class="lineno"> 2155</span> </div>
|
|
<div class="line"><a id="l02156" name="l02156"></a><span class="lineno"> 2156</span> <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a id="l02157" name="l02157"></a><span class="lineno"> 2157</span> <span class="comment">// Abort first chunk and allow to schedule the next.</span></div>
|
|
<div class="line"><a id="l02158" name="l02158"></a><span class="lineno"> 2158</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02159" name="l02159"></a><span class="lineno"> 2159</span> previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02160" name="l02160"></a><span class="lineno"> 2160</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02161" name="l02161"></a><span class="lineno"> 2161</span> }</div>
|
|
<div class="line"><a id="l02162" name="l02162"></a><span class="lineno"> 2162</span> }</div>
|
|
<div class="line"><a id="l02163" name="l02163"></a><span class="lineno"> 2163</span> </div>
|
|
<div class="line"><a id="l02164" name="l02164"></a><span class="lineno"> 2164</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> = local_model_->GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a id="l02165" name="l02165"></a><span class="lineno"> 2165</span> <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a id="l02166" name="l02166"></a><span class="lineno"> 2166</span> <span class="comment">// Configure time limit for chunk solving. Note that we do not want</span></div>
|
|
<div class="line"><a id="l02167" name="l02167"></a><span class="lineno"> 2167</span> <span class="comment">// to do that for the hint search for now.</span></div>
|
|
<div class="line"><a id="l02168" name="l02168"></a><span class="lineno"> 2168</span> <span class="keyword">auto</span>* params = local_model_->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l02169" name="l02169"></a><span class="lineno"> 2169</span> params->set_max_deterministic_time(1);</div>
|
|
<div class="line"><a id="l02170" name="l02170"></a><span class="lineno"> 2170</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->ResetLimitFromParameters(*params);</div>
|
|
<div class="line"><a id="l02171" name="l02171"></a><span class="lineno"> 2171</span> shared_->time_limit->UpdateLocalLimit(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
|
|
<div class="line"><a id="l02172" name="l02172"></a><span class="lineno"> 2172</span> }</div>
|
|
<div class="line"><a id="l02173" name="l02173"></a><span class="lineno"> 2173</span> </div>
|
|
<div class="line"><a id="l02174" name="l02174"></a><span class="lineno"> 2174</span> <span class="keyword">const</span> <span class="keywordtype">double</span> saved_dtime = <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a id="l02175" name="l02175"></a><span class="lineno"> 2175</span> SolveLoadedCpModel(*shared_->model_proto, local_model_.get());</div>
|
|
<div class="line"><a id="l02176" name="l02176"></a><span class="lineno"> 2176</span> {</div>
|
|
<div class="line"><a id="l02177" name="l02177"></a><span class="lineno"> 2177</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02178" name="l02178"></a><span class="lineno"> 2178</span> deterministic_time_since_last_synchronize_ +=</div>
|
|
<div class="line"><a id="l02179" name="l02179"></a><span class="lineno"> 2179</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetElapsedDeterministicTime() - saved_dtime;</div>
|
|
<div class="line"><a id="l02180" name="l02180"></a><span class="lineno"> 2180</span> }</div>
|
|
<div class="line"><a id="l02181" name="l02181"></a><span class="lineno"> 2181</span> </div>
|
|
<div class="line"><a id="l02182" name="l02182"></a><span class="lineno"> 2182</span> <span class="comment">// Abort if the problem is solved.</span></div>
|
|
<div class="line"><a id="l02183" name="l02183"></a><span class="lineno"> 2183</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) {</div>
|
|
<div class="line"><a id="l02184" name="l02184"></a><span class="lineno"> 2184</span> shared_->time_limit->Stop();</div>
|
|
<div class="line"><a id="l02185" name="l02185"></a><span class="lineno"> 2185</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02186" name="l02186"></a><span class="lineno"> 2186</span> }</div>
|
|
<div class="line"><a id="l02187" name="l02187"></a><span class="lineno"> 2187</span> </div>
|
|
<div class="line"><a id="l02188" name="l02188"></a><span class="lineno"> 2188</span> <span class="comment">// In this mode, we allow to generate more task.</span></div>
|
|
<div class="line"><a id="l02189" name="l02189"></a><span class="lineno"> 2189</span> <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a id="l02190" name="l02190"></a><span class="lineno"> 2190</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02191" name="l02191"></a><span class="lineno"> 2191</span> previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02192" name="l02192"></a><span class="lineno"> 2192</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02193" name="l02193"></a><span class="lineno"> 2193</span> }</div>
|
|
<div class="line"><a id="l02194" name="l02194"></a><span class="lineno"> 2194</span> </div>
|
|
<div class="line"><a id="l02195" name="l02195"></a><span class="lineno"> 2195</span> <span class="comment">// Once a solver is done clear its memory and do not wait for the</span></div>
|
|
<div class="line"><a id="l02196" name="l02196"></a><span class="lineno"> 2196</span> <span class="comment">// destruction of the SubSolver. This is important because the full solve</span></div>
|
|
<div class="line"><a id="l02197" name="l02197"></a><span class="lineno"> 2197</span> <span class="comment">// might not be done at all, for instance this might have been configured</span></div>
|
|
<div class="line"><a id="l02198" name="l02198"></a><span class="lineno"> 2198</span> <span class="comment">// with stop_after_first_solution.</span></div>
|
|
<div class="line"><a id="l02199" name="l02199"></a><span class="lineno"> 2199</span> local_model_.reset();</div>
|
|
<div class="line"><a id="l02200" name="l02200"></a><span class="lineno"> 2200</span> };</div>
|
|
<div class="line"><a id="l02201" name="l02201"></a><span class="lineno"> 2201</span> }</div>
|
|
<div class="line"><a id="l02202" name="l02202"></a><span class="lineno"> 2202</span> </div>
|
|
<div class="line"><a id="l02203" name="l02203"></a><span class="lineno"> 2203</span> <span class="comment">// TODO(user): A few of the information sharing we do between threads does not</span></div>
|
|
<div class="line"><a id="l02204" name="l02204"></a><span class="lineno"> 2204</span> <span class="comment">// happen here (bound sharing, RINS neighborhood, objective). Fix that so we</span></div>
|
|
<div class="line"><a id="l02205" name="l02205"></a><span class="lineno"> 2205</span> <span class="comment">// can have a deterministic parallel mode.</span></div>
|
|
<div class="line"><a id="l02206" name="l02206"></a><span class="lineno"> 2206</span> <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02207" name="l02207"></a><span class="lineno"> 2207</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02208" name="l02208"></a><span class="lineno"> 2208</span> deterministic_time_ += deterministic_time_since_last_synchronize_;</div>
|
|
<div class="line"><a id="l02209" name="l02209"></a><span class="lineno"> 2209</span> shared_->time_limit->AdvanceDeterministicTime(</div>
|
|
<div class="line"><a id="l02210" name="l02210"></a><span class="lineno"> 2210</span> deterministic_time_since_last_synchronize_);</div>
|
|
<div class="line"><a id="l02211" name="l02211"></a><span class="lineno"> 2211</span> deterministic_time_since_last_synchronize_ = 0.0;</div>
|
|
<div class="line"><a id="l02212" name="l02212"></a><span class="lineno"> 2212</span> }</div>
|
|
<div class="line"><a id="l02213" name="l02213"></a><span class="lineno"> 2213</span> </div>
|
|
<div class="line"><a id="l02214" name="l02214"></a><span class="lineno"> 2214</span> std::string StatisticsString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a id="l02215" name="l02215"></a><span class="lineno"> 2215</span> <span class="comment">// The local model may have been deleted at the end of GenerateTask.</span></div>
|
|
<div class="line"><a id="l02216" name="l02216"></a><span class="lineno"> 2216</span> <span class="comment">// Do not crash in this case.</span></div>
|
|
<div class="line"><a id="l02217" name="l02217"></a><span class="lineno"> 2217</span> <span class="comment">// TODO(user): Revisit this case.</span></div>
|
|
<div class="line"><a id="l02218" name="l02218"></a><span class="lineno"> 2218</span> <span class="keywordflow">if</span> (local_model_ == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span> std::string();</div>
|
|
<div class="line"><a id="l02219" name="l02219"></a><span class="lineno"> 2219</span> </div>
|
|
<div class="line"><a id="l02220" name="l02220"></a><span class="lineno"> 2220</span> <span class="keyword">const</span> <span class="keyword">auto</span>& lps =</div>
|
|
<div class="line"><a id="l02221" name="l02221"></a><span class="lineno"> 2221</span> *local_model_->GetOrCreate<LinearProgrammingConstraintCollection>();</div>
|
|
<div class="line"><a id="l02222" name="l02222"></a><span class="lineno"> 2222</span> std::string lp_stats;</div>
|
|
<div class="line"><a id="l02223" name="l02223"></a><span class="lineno"> 2223</span> <span class="keywordflow">if</span> (!lps.empty() &&</div>
|
|
<div class="line"><a id="l02224" name="l02224"></a><span class="lineno"> 2224</span> local_model_->GetOrCreate<SatParameters>()->linearization_level() >=</div>
|
|
<div class="line"><a id="l02225" name="l02225"></a><span class="lineno"> 2225</span> 2) {</div>
|
|
<div class="line"><a id="l02226" name="l02226"></a><span class="lineno"> 2226</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>* lp : lps) {</div>
|
|
<div class="line"><a id="l02227" name="l02227"></a><span class="lineno"> 2227</span> <span class="keyword">const</span> std::string raw_statistics = lp->Statistics();</div>
|
|
<div class="line"><a id="l02228" name="l02228"></a><span class="lineno"> 2228</span> <span class="keyword">const</span> std::vector<absl::string_view> lines =</div>
|
|
<div class="line"><a id="l02229" name="l02229"></a><span class="lineno"> 2229</span> absl::StrSplit(raw_statistics, <span class="charliteral">'\n'</span>, absl::SkipEmpty());</div>
|
|
<div class="line"><a id="l02230" name="l02230"></a><span class="lineno"> 2230</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> absl::string_view& line : lines) {</div>
|
|
<div class="line"><a id="l02231" name="l02231"></a><span class="lineno"> 2231</span> absl::StrAppend(&lp_stats, <span class="stringliteral">" "</span>, line, <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a id="l02232" name="l02232"></a><span class="lineno"> 2232</span> }</div>
|
|
<div class="line"><a id="l02233" name="l02233"></a><span class="lineno"> 2233</span> }</div>
|
|
<div class="line"><a id="l02234" name="l02234"></a><span class="lineno"> 2234</span> }</div>
|
|
<div class="line"><a id="l02235" name="l02235"></a><span class="lineno"> 2235</span> <span class="keywordflow">return</span> lp_stats;</div>
|
|
<div class="line"><a id="l02236" name="l02236"></a><span class="lineno"> 2236</span> }</div>
|
|
<div class="line"><a id="l02237" name="l02237"></a><span class="lineno"> 2237</span> </div>
|
|
<div class="line"><a id="l02238" name="l02238"></a><span class="lineno"> 2238</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l02239" name="l02239"></a><span class="lineno"> 2239</span> SharedClasses* shared_;</div>
|
|
<div class="line"><a id="l02240" name="l02240"></a><span class="lineno"> 2240</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> split_in_chunks_;</div>
|
|
<div class="line"><a id="l02241" name="l02241"></a><span class="lineno"> 2241</span> std::unique_ptr<Model> local_model_;</div>
|
|
<div class="line"><a id="l02242" name="l02242"></a><span class="lineno"> 2242</span> </div>
|
|
<div class="line"><a id="l02243" name="l02243"></a><span class="lineno"> 2243</span> <span class="comment">// The first chunk is special. It is the one in which we load the model and</span></div>
|
|
<div class="line"><a id="l02244" name="l02244"></a><span class="lineno"> 2244</span> <span class="comment">// try to follow the hint.</span></div>
|
|
<div class="line"><a id="l02245" name="l02245"></a><span class="lineno"> 2245</span> <span class="keywordtype">bool</span> solving_first_chunk_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02246" name="l02246"></a><span class="lineno"> 2246</span> </div>
|
|
<div class="line"><a id="l02247" name="l02247"></a><span class="lineno"> 2247</span> absl::Mutex mutex_;</div>
|
|
<div class="line"><a id="l02248" name="l02248"></a><span class="lineno"> 2248</span> <span class="keywordtype">double</span> deterministic_time_since_last_synchronize_ ABSL_GUARDED_BY(mutex_) =</div>
|
|
<div class="line"><a id="l02249" name="l02249"></a><span class="lineno"> 2249</span> 0.0;</div>
|
|
<div class="line"><a id="l02250" name="l02250"></a><span class="lineno"> 2250</span> <span class="keywordtype">bool</span> previous_task_is_completed_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02251" name="l02251"></a><span class="lineno"> 2251</span>};</div>
|
|
<div class="line"><a id="l02252" name="l02252"></a><span class="lineno"> 2252</span> </div>
|
|
<div class="line"><a id="l02253" name="l02253"></a><span class="lineno"> 2253</span><span class="keyword">class </span>FeasibilityPumpSolver : <span class="keyword">public</span> SubSolver {</div>
|
|
<div class="line"><a id="l02254" name="l02254"></a><span class="lineno"> 2254</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l02255" name="l02255"></a><span class="lineno"> 2255</span> FeasibilityPumpSolver(<span class="keyword">const</span> SatParameters& local_parameters,</div>
|
|
<div class="line"><a id="l02256" name="l02256"></a><span class="lineno"> 2256</span> SharedClasses* shared)</div>
|
|
<div class="line"><a id="l02257" name="l02257"></a><span class="lineno"> 2257</span> : SubSolver(<span class="stringliteral">"feasibility_pump"</span>),</div>
|
|
<div class="line"><a id="l02258" name="l02258"></a><span class="lineno"> 2258</span> shared_(shared),</div>
|
|
<div class="line"><a id="l02259" name="l02259"></a><span class="lineno"> 2259</span> local_model_(<a class="code hl_namespace" href="namespaceabsl.html">absl</a>::make_unique<Model>(name_)) {</div>
|
|
<div class="line"><a id="l02260" name="l02260"></a><span class="lineno"> 2260</span> <span class="comment">// Setup the local model parameters and time limit.</span></div>
|
|
<div class="line"><a id="l02261" name="l02261"></a><span class="lineno"> 2261</span> *(local_model_->GetOrCreate<SatParameters>()) = local_parameters;</div>
|
|
<div class="line"><a id="l02262" name="l02262"></a><span class="lineno"> 2262</span> shared_->time_limit->UpdateLocalLimit(</div>
|
|
<div class="line"><a id="l02263" name="l02263"></a><span class="lineno"> 2263</span> local_model_->GetOrCreate<TimeLimit>());</div>
|
|
<div class="line"><a id="l02264" name="l02264"></a><span class="lineno"> 2264</span> </div>
|
|
<div class="line"><a id="l02265" name="l02265"></a><span class="lineno"> 2265</span> <span class="keywordflow">if</span> (shared->response != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02266" name="l02266"></a><span class="lineno"> 2266</span> local_model_->Register<SharedResponseManager>(shared->response);</div>
|
|
<div class="line"><a id="l02267" name="l02267"></a><span class="lineno"> 2267</span> }</div>
|
|
<div class="line"><a id="l02268" name="l02268"></a><span class="lineno"> 2268</span> </div>
|
|
<div class="line"><a id="l02269" name="l02269"></a><span class="lineno"> 2269</span> <span class="keywordflow">if</span> (shared->relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02270" name="l02270"></a><span class="lineno"> 2270</span> local_model_->Register<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a id="l02271" name="l02271"></a><span class="lineno"> 2271</span> shared->relaxation_solutions);</div>
|
|
<div class="line"><a id="l02272" name="l02272"></a><span class="lineno"> 2272</span> }</div>
|
|
<div class="line"><a id="l02273" name="l02273"></a><span class="lineno"> 2273</span> </div>
|
|
<div class="line"><a id="l02274" name="l02274"></a><span class="lineno"> 2274</span> <span class="keywordflow">if</span> (shared->lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02275" name="l02275"></a><span class="lineno"> 2275</span> local_model_->Register<SharedLPSolutionRepository>(shared->lp_solutions);</div>
|
|
<div class="line"><a id="l02276" name="l02276"></a><span class="lineno"> 2276</span> }</div>
|
|
<div class="line"><a id="l02277" name="l02277"></a><span class="lineno"> 2277</span> </div>
|
|
<div class="line"><a id="l02278" name="l02278"></a><span class="lineno"> 2278</span> <span class="keywordflow">if</span> (shared->incomplete_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02279" name="l02279"></a><span class="lineno"> 2279</span> local_model_->Register<SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a id="l02280" name="l02280"></a><span class="lineno"> 2280</span> shared->incomplete_solutions);</div>
|
|
<div class="line"><a id="l02281" name="l02281"></a><span class="lineno"> 2281</span> }</div>
|
|
<div class="line"><a id="l02282" name="l02282"></a><span class="lineno"> 2282</span> </div>
|
|
<div class="line"><a id="l02283" name="l02283"></a><span class="lineno"> 2283</span> <span class="comment">// Level zero variable bounds sharing.</span></div>
|
|
<div class="line"><a id="l02284" name="l02284"></a><span class="lineno"> 2284</span> <span class="keywordflow">if</span> (shared_->bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02285" name="l02285"></a><span class="lineno"> 2285</span> RegisterVariableBoundsLevelZeroImport(</div>
|
|
<div class="line"><a id="l02286" name="l02286"></a><span class="lineno"> 2286</span> *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a id="l02287" name="l02287"></a><span class="lineno"> 2287</span> }</div>
|
|
<div class="line"><a id="l02288" name="l02288"></a><span class="lineno"> 2288</span> }</div>
|
|
<div class="line"><a id="l02289" name="l02289"></a><span class="lineno"> 2289</span> </div>
|
|
<div class="line"><a id="l02290" name="l02290"></a><span class="lineno"> 2290</span> <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02291" name="l02291"></a><span class="lineno"> 2291</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02292" name="l02292"></a><span class="lineno"> 2292</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02293" name="l02293"></a><span class="lineno"> 2293</span> <span class="keywordflow">return</span> previous_task_is_completed_;</div>
|
|
<div class="line"><a id="l02294" name="l02294"></a><span class="lineno"> 2294</span> }</div>
|
|
<div class="line"><a id="l02295" name="l02295"></a><span class="lineno"> 2295</span> </div>
|
|
<div class="line"><a id="l02296" name="l02296"></a><span class="lineno"> 2296</span> std::function<void()> GenerateTask(int64_t task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02297" name="l02297"></a><span class="lineno"> 2297</span> <span class="keywordflow">return</span> [<span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a id="l02298" name="l02298"></a><span class="lineno"> 2298</span> {</div>
|
|
<div class="line"><a id="l02299" name="l02299"></a><span class="lineno"> 2299</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02300" name="l02300"></a><span class="lineno"> 2300</span> <span class="keywordflow">if</span> (!previous_task_is_completed_) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02301" name="l02301"></a><span class="lineno"> 2301</span> previous_task_is_completed_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02302" name="l02302"></a><span class="lineno"> 2302</span> }</div>
|
|
<div class="line"><a id="l02303" name="l02303"></a><span class="lineno"> 2303</span> {</div>
|
|
<div class="line"><a id="l02304" name="l02304"></a><span class="lineno"> 2304</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02305" name="l02305"></a><span class="lineno"> 2305</span> <span class="keywordflow">if</span> (solving_first_chunk_) {</div>
|
|
<div class="line"><a id="l02306" name="l02306"></a><span class="lineno"> 2306</span> LoadFeasibilityPump(*shared_->model_proto, local_model_.get());</div>
|
|
<div class="line"><a id="l02307" name="l02307"></a><span class="lineno"> 2307</span> <span class="comment">// No new task will be scheduled for this worker if there is no</span></div>
|
|
<div class="line"><a id="l02308" name="l02308"></a><span class="lineno"> 2308</span> <span class="comment">// linear relaxation.</span></div>
|
|
<div class="line"><a id="l02309" name="l02309"></a><span class="lineno"> 2309</span> <span class="keywordflow">if</span> (local_model_->Get<FeasibilityPump>() == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02310" name="l02310"></a><span class="lineno"> 2310</span> solving_first_chunk_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02311" name="l02311"></a><span class="lineno"> 2311</span> <span class="comment">// Abort first chunk and allow to schedule the next.</span></div>
|
|
<div class="line"><a id="l02312" name="l02312"></a><span class="lineno"> 2312</span> previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02313" name="l02313"></a><span class="lineno"> 2313</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02314" name="l02314"></a><span class="lineno"> 2314</span> }</div>
|
|
<div class="line"><a id="l02315" name="l02315"></a><span class="lineno"> 2315</span> }</div>
|
|
<div class="line"><a id="l02316" name="l02316"></a><span class="lineno"> 2316</span> </div>
|
|
<div class="line"><a id="l02317" name="l02317"></a><span class="lineno"> 2317</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> = local_model_->GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a id="l02318" name="l02318"></a><span class="lineno"> 2318</span> <span class="keyword">const</span> <span class="keywordtype">double</span> saved_dtime = <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a id="l02319" name="l02319"></a><span class="lineno"> 2319</span> <span class="keyword">auto</span>* feasibility_pump = local_model_->Mutable<FeasibilityPump>();</div>
|
|
<div class="line"><a id="l02320" name="l02320"></a><span class="lineno"> 2320</span> <span class="keywordflow">if</span> (!feasibility_pump->Solve()) {</div>
|
|
<div class="line"><a id="l02321" name="l02321"></a><span class="lineno"> 2321</span> shared_->response->NotifyThatImprovingProblemIsInfeasible(name_);</div>
|
|
<div class="line"><a id="l02322" name="l02322"></a><span class="lineno"> 2322</span> }</div>
|
|
<div class="line"><a id="l02323" name="l02323"></a><span class="lineno"> 2323</span> </div>
|
|
<div class="line"><a id="l02324" name="l02324"></a><span class="lineno"> 2324</span> {</div>
|
|
<div class="line"><a id="l02325" name="l02325"></a><span class="lineno"> 2325</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02326" name="l02326"></a><span class="lineno"> 2326</span> deterministic_time_since_last_synchronize_ +=</div>
|
|
<div class="line"><a id="l02327" name="l02327"></a><span class="lineno"> 2327</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>->GetElapsedDeterministicTime() - saved_dtime;</div>
|
|
<div class="line"><a id="l02328" name="l02328"></a><span class="lineno"> 2328</span> }</div>
|
|
<div class="line"><a id="l02329" name="l02329"></a><span class="lineno"> 2329</span> </div>
|
|
<div class="line"><a id="l02330" name="l02330"></a><span class="lineno"> 2330</span> <span class="comment">// Abort if the problem is solved.</span></div>
|
|
<div class="line"><a id="l02331" name="l02331"></a><span class="lineno"> 2331</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) {</div>
|
|
<div class="line"><a id="l02332" name="l02332"></a><span class="lineno"> 2332</span> shared_->time_limit->Stop();</div>
|
|
<div class="line"><a id="l02333" name="l02333"></a><span class="lineno"> 2333</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02334" name="l02334"></a><span class="lineno"> 2334</span> }</div>
|
|
<div class="line"><a id="l02335" name="l02335"></a><span class="lineno"> 2335</span> </div>
|
|
<div class="line"><a id="l02336" name="l02336"></a><span class="lineno"> 2336</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02337" name="l02337"></a><span class="lineno"> 2337</span> previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02338" name="l02338"></a><span class="lineno"> 2338</span> };</div>
|
|
<div class="line"><a id="l02339" name="l02339"></a><span class="lineno"> 2339</span> }</div>
|
|
<div class="line"><a id="l02340" name="l02340"></a><span class="lineno"> 2340</span> </div>
|
|
<div class="line"><a id="l02341" name="l02341"></a><span class="lineno"> 2341</span> <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02342" name="l02342"></a><span class="lineno"> 2342</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l02343" name="l02343"></a><span class="lineno"> 2343</span> deterministic_time_ += deterministic_time_since_last_synchronize_;</div>
|
|
<div class="line"><a id="l02344" name="l02344"></a><span class="lineno"> 2344</span> shared_->time_limit->AdvanceDeterministicTime(</div>
|
|
<div class="line"><a id="l02345" name="l02345"></a><span class="lineno"> 2345</span> deterministic_time_since_last_synchronize_);</div>
|
|
<div class="line"><a id="l02346" name="l02346"></a><span class="lineno"> 2346</span> deterministic_time_since_last_synchronize_ = 0.0;</div>
|
|
<div class="line"><a id="l02347" name="l02347"></a><span class="lineno"> 2347</span> }</div>
|
|
<div class="line"><a id="l02348" name="l02348"></a><span class="lineno"> 2348</span> </div>
|
|
<div class="line"><a id="l02349" name="l02349"></a><span class="lineno"> 2349</span> <span class="comment">// TODO(user, fdid): Display feasibility pump statistics.</span></div>
|
|
<div class="line"><a id="l02350" name="l02350"></a><span class="lineno"> 2350</span> </div>
|
|
<div class="line"><a id="l02351" name="l02351"></a><span class="lineno"> 2351</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l02352" name="l02352"></a><span class="lineno"> 2352</span> SharedClasses* shared_;</div>
|
|
<div class="line"><a id="l02353" name="l02353"></a><span class="lineno"> 2353</span> std::unique_ptr<Model> local_model_;</div>
|
|
<div class="line"><a id="l02354" name="l02354"></a><span class="lineno"> 2354</span> </div>
|
|
<div class="line"><a id="l02355" name="l02355"></a><span class="lineno"> 2355</span> absl::Mutex mutex_;</div>
|
|
<div class="line"><a id="l02356" name="l02356"></a><span class="lineno"> 2356</span> </div>
|
|
<div class="line"><a id="l02357" name="l02357"></a><span class="lineno"> 2357</span> <span class="comment">// The first chunk is special. It is the one in which we load the linear</span></div>
|
|
<div class="line"><a id="l02358" name="l02358"></a><span class="lineno"> 2358</span> <span class="comment">// constraints.</span></div>
|
|
<div class="line"><a id="l02359" name="l02359"></a><span class="lineno"> 2359</span> <span class="keywordtype">bool</span> solving_first_chunk_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02360" name="l02360"></a><span class="lineno"> 2360</span> </div>
|
|
<div class="line"><a id="l02361" name="l02361"></a><span class="lineno"> 2361</span> <span class="keywordtype">double</span> deterministic_time_since_last_synchronize_ ABSL_GUARDED_BY(mutex_) =</div>
|
|
<div class="line"><a id="l02362" name="l02362"></a><span class="lineno"> 2362</span> 0.0;</div>
|
|
<div class="line"><a id="l02363" name="l02363"></a><span class="lineno"> 2363</span> <span class="keywordtype">bool</span> previous_task_is_completed_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02364" name="l02364"></a><span class="lineno"> 2364</span>};</div>
|
|
<div class="line"><a id="l02365" name="l02365"></a><span class="lineno"> 2365</span> </div>
|
|
<div class="line"><a id="l02366" name="l02366"></a><span class="lineno"> 2366</span><span class="comment">// A Subsolver that generate LNS solve from a given neighborhood.</span></div>
|
|
<div class="line"><a id="l02367" name="l02367"></a><span class="lineno"> 2367</span><span class="keyword">class </span>LnsSolver : <span class="keyword">public</span> SubSolver {</div>
|
|
<div class="line"><a id="l02368" name="l02368"></a><span class="lineno"> 2368</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l02369" name="l02369"></a><span class="lineno"> 2369</span> LnsSolver(std::unique_ptr<NeighborhoodGenerator> generator,</div>
|
|
<div class="line"><a id="l02370" name="l02370"></a><span class="lineno"> 2370</span> <span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a id="l02371" name="l02371"></a><span class="lineno"> 2371</span> NeighborhoodGeneratorHelper* helper, SharedClasses* shared)</div>
|
|
<div class="line"><a id="l02372" name="l02372"></a><span class="lineno"> 2372</span> : SubSolver(generator-><a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>()),</div>
|
|
<div class="line"><a id="l02373" name="l02373"></a><span class="lineno"> 2373</span> generator_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(generator)),</div>
|
|
<div class="line"><a id="l02374" name="l02374"></a><span class="lineno"> 2374</span> helper_(helper),</div>
|
|
<div class="line"><a id="l02375" name="l02375"></a><span class="lineno"> 2375</span> parameters_(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>),</div>
|
|
<div class="line"><a id="l02376" name="l02376"></a><span class="lineno"> 2376</span> shared_(shared) {}</div>
|
|
<div class="line"><a id="l02377" name="l02377"></a><span class="lineno"> 2377</span> </div>
|
|
<div class="line"><a id="l02378" name="l02378"></a><span class="lineno"> 2378</span> <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02379" name="l02379"></a><span class="lineno"> 2379</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02380" name="l02380"></a><span class="lineno"> 2380</span> <span class="keywordflow">return</span> generator_->ReadyToGenerate();</div>
|
|
<div class="line"><a id="l02381" name="l02381"></a><span class="lineno"> 2381</span> }</div>
|
|
<div class="line"><a id="l02382" name="l02382"></a><span class="lineno"> 2382</span> </div>
|
|
<div class="line"><a id="l02383" name="l02383"></a><span class="lineno"> 2383</span> std::function<void()> GenerateTask(int64_t task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02384" name="l02384"></a><span class="lineno"> 2384</span> <span class="keywordflow">return</span> [task_id, <span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a id="l02385" name="l02385"></a><span class="lineno"> 2385</span> <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02386" name="l02386"></a><span class="lineno"> 2386</span> </div>
|
|
<div class="line"><a id="l02387" name="l02387"></a><span class="lineno"> 2387</span> <span class="comment">// Create a random number generator whose seed depends both on the task_id</span></div>
|
|
<div class="line"><a id="l02388" name="l02388"></a><span class="lineno"> 2388</span> <span class="comment">// and on the parameters_.random_seed() so that changing the later will</span></div>
|
|
<div class="line"><a id="l02389" name="l02389"></a><span class="lineno"> 2389</span> <span class="comment">// change the LNS behavior.</span></div>
|
|
<div class="line"><a id="l02390" name="l02390"></a><span class="lineno"> 2390</span> <span class="keyword">const</span> int32_t low = <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(task_id);</div>
|
|
<div class="line"><a id="l02391" name="l02391"></a><span class="lineno"> 2391</span> <span class="keyword">const</span> int32_t high = <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(task_id >> 32);</div>
|
|
<div class="line"><a id="l02392" name="l02392"></a><span class="lineno"> 2392</span> std::seed_seq seed{low, high, parameters_.random_seed()};</div>
|
|
<div class="line"><a id="l02393" name="l02393"></a><span class="lineno"> 2393</span> <a class="code hl_typedef" href="namespaceoperations__research.html#a6743e8c90bbb85a1017486ed70c7d29b">random_engine_t</a> random(seed);</div>
|
|
<div class="line"><a id="l02394" name="l02394"></a><span class="lineno"> 2394</span> </div>
|
|
<div class="line"><a id="l02395" name="l02395"></a><span class="lineno"> 2395</span> NeighborhoodGenerator::SolveData data;</div>
|
|
<div class="line"><a id="l02396" name="l02396"></a><span class="lineno"> 2396</span> data.difficulty = generator_->difficulty();</div>
|
|
<div class="line"><a id="l02397" name="l02397"></a><span class="lineno"> 2397</span> data.deterministic_limit = generator_->deterministic_limit();</div>
|
|
<div class="line"><a id="l02398" name="l02398"></a><span class="lineno"> 2398</span> </div>
|
|
<div class="line"><a id="l02399" name="l02399"></a><span class="lineno"> 2399</span> <span class="comment">// Choose a base solution for this neighborhood.</span></div>
|
|
<div class="line"><a id="l02400" name="l02400"></a><span class="lineno"> 2400</span> CpSolverResponse base_response;</div>
|
|
<div class="line"><a id="l02401" name="l02401"></a><span class="lineno"> 2401</span> {</div>
|
|
<div class="line"><a id="l02402" name="l02402"></a><span class="lineno"> 2402</span> <span class="keyword">const</span> SharedSolutionRepository<int64_t>& repo =</div>
|
|
<div class="line"><a id="l02403" name="l02403"></a><span class="lineno"> 2403</span> shared_->response->SolutionsRepository();</div>
|
|
<div class="line"><a id="l02404" name="l02404"></a><span class="lineno"> 2404</span> <span class="keywordflow">if</span> (repo.NumSolutions() > 0) {</div>
|
|
<div class="line"><a id="l02405" name="l02405"></a><span class="lineno"> 2405</span> base_response.set_status(CpSolverStatus::FEASIBLE);</div>
|
|
<div class="line"><a id="l02406" name="l02406"></a><span class="lineno"> 2406</span> <span class="keyword">const</span> SharedSolutionRepository<int64_t>::Solution solution =</div>
|
|
<div class="line"><a id="l02407" name="l02407"></a><span class="lineno"> 2407</span> repo.GetRandomBiasedSolution(random);</div>
|
|
<div class="line"><a id="l02408" name="l02408"></a><span class="lineno"> 2408</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : solution.variable_values) {</div>
|
|
<div class="line"><a id="l02409" name="l02409"></a><span class="lineno"> 2409</span> base_response.add_solution(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l02410" name="l02410"></a><span class="lineno"> 2410</span> }</div>
|
|
<div class="line"><a id="l02411" name="l02411"></a><span class="lineno"> 2411</span> </div>
|
|
<div class="line"><a id="l02412" name="l02412"></a><span class="lineno"> 2412</span> <span class="comment">// Note: We assume that the solution rank is the solution internal</span></div>
|
|
<div class="line"><a id="l02413" name="l02413"></a><span class="lineno"> 2413</span> <span class="comment">// objective.</span></div>
|
|
<div class="line"><a id="l02414" name="l02414"></a><span class="lineno"> 2414</span> data.initial_best_objective = repo.GetSolution(0).rank;</div>
|
|
<div class="line"><a id="l02415" name="l02415"></a><span class="lineno"> 2415</span> data.base_objective = solution.rank;</div>
|
|
<div class="line"><a id="l02416" name="l02416"></a><span class="lineno"> 2416</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l02417" name="l02417"></a><span class="lineno"> 2417</span> base_response.set_status(CpSolverStatus::UNKNOWN);</div>
|
|
<div class="line"><a id="l02418" name="l02418"></a><span class="lineno"> 2418</span> </div>
|
|
<div class="line"><a id="l02419" name="l02419"></a><span class="lineno"> 2419</span> <span class="comment">// If we do not have a solution, we use the current objective upper</span></div>
|
|
<div class="line"><a id="l02420" name="l02420"></a><span class="lineno"> 2420</span> <span class="comment">// bound so that our code that compute an "objective" improvement</span></div>
|
|
<div class="line"><a id="l02421" name="l02421"></a><span class="lineno"> 2421</span> <span class="comment">// works.</span></div>
|
|
<div class="line"><a id="l02422" name="l02422"></a><span class="lineno"> 2422</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l02423" name="l02423"></a><span class="lineno"> 2423</span> <span class="comment">// TODO(user): this is non-deterministic. Fix.</span></div>
|
|
<div class="line"><a id="l02424" name="l02424"></a><span class="lineno"> 2424</span> data.initial_best_objective =</div>
|
|
<div class="line"><a id="l02425" name="l02425"></a><span class="lineno"> 2425</span> shared_->response->GetInnerObjectiveUpperBound();</div>
|
|
<div class="line"><a id="l02426" name="l02426"></a><span class="lineno"> 2426</span> data.base_objective = data.initial_best_objective;</div>
|
|
<div class="line"><a id="l02427" name="l02427"></a><span class="lineno"> 2427</span> }</div>
|
|
<div class="line"><a id="l02428" name="l02428"></a><span class="lineno"> 2428</span> }</div>
|
|
<div class="line"><a id="l02429" name="l02429"></a><span class="lineno"> 2429</span> </div>
|
|
<div class="line"><a id="l02430" name="l02430"></a><span class="lineno"> 2430</span> Neighborhood neighborhood =</div>
|
|
<div class="line"><a id="l02431" name="l02431"></a><span class="lineno"> 2431</span> generator_->Generate(base_response, data.difficulty, random);</div>
|
|
<div class="line"><a id="l02432" name="l02432"></a><span class="lineno"> 2432</span> </div>
|
|
<div class="line"><a id="l02433" name="l02433"></a><span class="lineno"> 2433</span> <span class="keywordflow">if</span> (!neighborhood.is_generated) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02434" name="l02434"></a><span class="lineno"> 2434</span> </div>
|
|
<div class="line"><a id="l02435" name="l02435"></a><span class="lineno"> 2435</span> data.neighborhood_id = neighborhood.id;</div>
|
|
<div class="line"><a id="l02436" name="l02436"></a><span class="lineno"> 2436</span> </div>
|
|
<div class="line"><a id="l02437" name="l02437"></a><span class="lineno"> 2437</span> <span class="keyword">const</span> int64_t num_calls = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(int64_t{1}, generator_->num_calls());</div>
|
|
<div class="line"><a id="l02438" name="l02438"></a><span class="lineno"> 2438</span> <span class="keyword">const</span> <span class="keywordtype">double</span> fully_solved_proportion =</div>
|
|
<div class="line"><a id="l02439" name="l02439"></a><span class="lineno"> 2439</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(generator_->num_fully_solved_calls()) /</div>
|
|
<div class="line"><a id="l02440" name="l02440"></a><span class="lineno"> 2440</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(num_calls);</div>
|
|
<div class="line"><a id="l02441" name="l02441"></a><span class="lineno"> 2441</span> std::string source_info = <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>();</div>
|
|
<div class="line"><a id="l02442" name="l02442"></a><span class="lineno"> 2442</span> <span class="keywordflow">if</span> (!neighborhood.source_info.empty()) {</div>
|
|
<div class="line"><a id="l02443" name="l02443"></a><span class="lineno"> 2443</span> absl::StrAppend(&source_info, <span class="stringliteral">"_"</span>, neighborhood.source_info);</div>
|
|
<div class="line"><a id="l02444" name="l02444"></a><span class="lineno"> 2444</span> }</div>
|
|
<div class="line"><a id="l02445" name="l02445"></a><span class="lineno"> 2445</span> <span class="keyword">const</span> std::string solution_info = absl::StrFormat(</div>
|
|
<div class="line"><a id="l02446" name="l02446"></a><span class="lineno"> 2446</span> <span class="stringliteral">"%s(d=%0.2f s=%i t=%0.2f p=%0.2f)"</span>, source_info, data.difficulty,</div>
|
|
<div class="line"><a id="l02447" name="l02447"></a><span class="lineno"> 2447</span> task_id, data.deterministic_limit, fully_solved_proportion);</div>
|
|
<div class="line"><a id="l02448" name="l02448"></a><span class="lineno"> 2448</span> </div>
|
|
<div class="line"><a id="l02449" name="l02449"></a><span class="lineno"> 2449</span> SatParameters local_params(parameters_);</div>
|
|
<div class="line"><a id="l02450" name="l02450"></a><span class="lineno"> 2450</span> local_params.set_max_deterministic_time(data.deterministic_limit);</div>
|
|
<div class="line"><a id="l02451" name="l02451"></a><span class="lineno"> 2451</span> local_params.set_stop_after_first_solution(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l02452" name="l02452"></a><span class="lineno"> 2452</span> local_params.set_log_search_progress(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l02453" name="l02453"></a><span class="lineno"> 2453</span> local_params.set_cp_model_probing_level(0);</div>
|
|
<div class="line"><a id="l02454" name="l02454"></a><span class="lineno"> 2454</span> local_params.set_symmetry_level(0);</div>
|
|
<div class="line"><a id="l02455" name="l02455"></a><span class="lineno"> 2455</span> local_params.set_solution_pool_size(0);</div>
|
|
<div class="line"><a id="l02456" name="l02456"></a><span class="lineno"> 2456</span> </div>
|
|
<div class="line"><a id="l02457" name="l02457"></a><span class="lineno"> 2457</span> Model local_model(solution_info);</div>
|
|
<div class="line"><a id="l02458" name="l02458"></a><span class="lineno"> 2458</span> *(local_model.GetOrCreate<SatParameters>()) = local_params;</div>
|
|
<div class="line"><a id="l02459" name="l02459"></a><span class="lineno"> 2459</span> TimeLimit* local_time_limit = local_model.GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a id="l02460" name="l02460"></a><span class="lineno"> 2460</span> local_time_limit->ResetLimitFromParameters(local_params);</div>
|
|
<div class="line"><a id="l02461" name="l02461"></a><span class="lineno"> 2461</span> shared_->time_limit->UpdateLocalLimit(local_time_limit);</div>
|
|
<div class="line"><a id="l02462" name="l02462"></a><span class="lineno"> 2462</span> </div>
|
|
<div class="line"><a id="l02463" name="l02463"></a><span class="lineno"> 2463</span> <span class="comment">// Presolve and solve the LNS fragment.</span></div>
|
|
<div class="line"><a id="l02464" name="l02464"></a><span class="lineno"> 2464</span> CpModelProto lns_fragment;</div>
|
|
<div class="line"><a id="l02465" name="l02465"></a><span class="lineno"> 2465</span> CpModelProto mapping_proto;</div>
|
|
<div class="line"><a id="l02466" name="l02466"></a><span class="lineno"> 2466</span> <span class="keyword">auto</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a> = absl::make_unique<PresolveContext>(</div>
|
|
<div class="line"><a id="l02467" name="l02467"></a><span class="lineno"> 2467</span> &local_model, &lns_fragment, &mapping_proto);</div>
|
|
<div class="line"><a id="l02468" name="l02468"></a><span class="lineno"> 2468</span> </div>
|
|
<div class="line"><a id="l02469" name="l02469"></a><span class="lineno"> 2469</span> *lns_fragment.mutable_variables() = neighborhood.delta.variables();</div>
|
|
<div class="line"><a id="l02470" name="l02470"></a><span class="lineno"> 2470</span> {</div>
|
|
<div class="line"><a id="l02471" name="l02471"></a><span class="lineno"> 2471</span> ModelCopy copier(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get());</div>
|
|
<div class="line"><a id="l02472" name="l02472"></a><span class="lineno"> 2472</span> </div>
|
|
<div class="line"><a id="l02473" name="l02473"></a><span class="lineno"> 2473</span> <span class="comment">// Copy and simplify the constraints from the initial model.</span></div>
|
|
<div class="line"><a id="l02474" name="l02474"></a><span class="lineno"> 2474</span> <span class="keywordflow">if</span> (!copier.ImportAndSimplifyConstraints(</div>
|
|
<div class="line"><a id="l02475" name="l02475"></a><span class="lineno"> 2475</span> helper_->ModelProto(), neighborhood.constraints_to_ignore)) {</div>
|
|
<div class="line"><a id="l02476" name="l02476"></a><span class="lineno"> 2476</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02477" name="l02477"></a><span class="lineno"> 2477</span> }</div>
|
|
<div class="line"><a id="l02478" name="l02478"></a><span class="lineno"> 2478</span> </div>
|
|
<div class="line"><a id="l02479" name="l02479"></a><span class="lineno"> 2479</span> <span class="comment">// Copy and simplify the constraints from the delta model.</span></div>
|
|
<div class="line"><a id="l02480" name="l02480"></a><span class="lineno"> 2480</span> <span class="keywordflow">if</span> (!neighborhood.delta.constraints().empty() &&</div>
|
|
<div class="line"><a id="l02481" name="l02481"></a><span class="lineno"> 2481</span> !copier.ImportAndSimplifyConstraints(neighborhood.delta, {})) {</div>
|
|
<div class="line"><a id="l02482" name="l02482"></a><span class="lineno"> 2482</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l02483" name="l02483"></a><span class="lineno"> 2483</span> }</div>
|
|
<div class="line"><a id="l02484" name="l02484"></a><span class="lineno"> 2484</span> }</div>
|
|
<div class="line"><a id="l02485" name="l02485"></a><span class="lineno"> 2485</span> </div>
|
|
<div class="line"><a id="l02486" name="l02486"></a><span class="lineno"> 2486</span> <span class="comment">// Copy the rest of the model and overwrite the name.</span></div>
|
|
<div class="line"><a id="l02487" name="l02487"></a><span class="lineno"> 2487</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a8e28f522e1d211cabbdcff4fd3028593">CopyEverythingExceptVariablesAndConstraintsFieldsIntoContext</a>(</div>
|
|
<div class="line"><a id="l02488" name="l02488"></a><span class="lineno"> 2488</span> helper_->ModelProto(), <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get());</div>
|
|
<div class="line"><a id="l02489" name="l02489"></a><span class="lineno"> 2489</span> lns_fragment.set_name(absl::StrCat(<span class="stringliteral">"lns_"</span>, task_id));</div>
|
|
<div class="line"><a id="l02490" name="l02490"></a><span class="lineno"> 2490</span> </div>
|
|
<div class="line"><a id="l02491" name="l02491"></a><span class="lineno"> 2491</span> <span class="comment">// Overwrite solution hinting.</span></div>
|
|
<div class="line"><a id="l02492" name="l02492"></a><span class="lineno"> 2492</span> <span class="keywordflow">if</span> (neighborhood.delta.has_solution_hint()) {</div>
|
|
<div class="line"><a id="l02493" name="l02493"></a><span class="lineno"> 2493</span> *lns_fragment.mutable_solution_hint() =</div>
|
|
<div class="line"><a id="l02494" name="l02494"></a><span class="lineno"> 2494</span> neighborhood.delta.solution_hint();</div>
|
|
<div class="line"><a id="l02495" name="l02495"></a><span class="lineno"> 2495</span> }</div>
|
|
<div class="line"><a id="l02496" name="l02496"></a><span class="lineno"> 2496</span> </div>
|
|
<div class="line"><a id="l02497" name="l02497"></a><span class="lineno"> 2497</span> CpModelProto debug_copy;</div>
|
|
<div class="line"><a id="l02498" name="l02498"></a><span class="lineno"> 2498</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_problematic_lns)) {</div>
|
|
<div class="line"><a id="l02499" name="l02499"></a><span class="lineno"> 2499</span> <span class="comment">// We need to make a copy because the presolve is destructive.</span></div>
|
|
<div class="line"><a id="l02500" name="l02500"></a><span class="lineno"> 2500</span> <span class="comment">// It is why we do not do that by default.</span></div>
|
|
<div class="line"><a id="l02501" name="l02501"></a><span class="lineno"> 2501</span> debug_copy = lns_fragment;</div>
|
|
<div class="line"><a id="l02502" name="l02502"></a><span class="lineno"> 2502</span> }</div>
|
|
<div class="line"><a id="l02503" name="l02503"></a><span class="lineno"> 2503</span> </div>
|
|
<div class="line"><a id="l02504" name="l02504"></a><span class="lineno"> 2504</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l02505" name="l02505"></a><span class="lineno"> 2505</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l02506" name="l02506"></a><span class="lineno"> 2506</span> </div>
|
|
<div class="line"><a id="l02507" name="l02507"></a><span class="lineno"> 2507</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_lns)) {</div>
|
|
<div class="line"><a id="l02508" name="l02508"></a><span class="lineno"> 2508</span> <span class="comment">// TODO(user): export the delta too if needed.</span></div>
|
|
<div class="line"><a id="l02509" name="l02509"></a><span class="lineno"> 2509</span> <span class="keyword">const</span> std::string lns_name =</div>
|
|
<div class="line"><a id="l02510" name="l02510"></a><span class="lineno"> 2510</span> absl::StrCat(absl::GetFlag(FLAGS_cp_model_dump_prefix),</div>
|
|
<div class="line"><a id="l02511" name="l02511"></a><span class="lineno"> 2511</span> lns_fragment.name(), <span class="stringliteral">".pb.txt"</span>);</div>
|
|
<div class="line"><a id="l02512" name="l02512"></a><span class="lineno"> 2512</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping LNS model to '"</span> << lns_name << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l02513" name="l02513"></a><span class="lineno"> 2513</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(lns_name, lns_fragment, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l02514" name="l02514"></a><span class="lineno"> 2514</span> }</div>
|
|
<div class="line"><a id="l02515" name="l02515"></a><span class="lineno"> 2515</span> </div>
|
|
<div class="line"><a id="l02516" name="l02516"></a><span class="lineno"> 2516</span> std::vector<int> postsolve_mapping;</div>
|
|
<div class="line"><a id="l02517" name="l02517"></a><span class="lineno"> 2517</span> <span class="keyword">const</span> CpSolverStatus presolve_status =</div>
|
|
<div class="line"><a id="l02518" name="l02518"></a><span class="lineno"> 2518</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#abc0cd8ddeca98a0ead5ad406a8ae3a69">PresolveCpModel</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get(), &postsolve_mapping);</div>
|
|
<div class="line"><a id="l02519" name="l02519"></a><span class="lineno"> 2519</span> </div>
|
|
<div class="line"><a id="l02520" name="l02520"></a><span class="lineno"> 2520</span> <span class="comment">// Release the context.</span></div>
|
|
<div class="line"><a id="l02521" name="l02521"></a><span class="lineno"> 2521</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.reset(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l02522" name="l02522"></a><span class="lineno"> 2522</span> neighborhood.delta.Clear();</div>
|
|
<div class="line"><a id="l02523" name="l02523"></a><span class="lineno"> 2523</span> </div>
|
|
<div class="line"><a id="l02524" name="l02524"></a><span class="lineno"> 2524</span> <span class="comment">// TODO(user): Depending on the problem, we should probably use the</span></div>
|
|
<div class="line"><a id="l02525" name="l02525"></a><span class="lineno"> 2525</span> <span class="comment">// parameters that work bests (core, linearization_level, etc...) or</span></div>
|
|
<div class="line"><a id="l02526" name="l02526"></a><span class="lineno"> 2526</span> <span class="comment">// maybe we can just randomize them like for the base solution used.</span></div>
|
|
<div class="line"><a id="l02527" name="l02527"></a><span class="lineno"> 2527</span> <span class="keyword">auto</span>* local_response_manager =</div>
|
|
<div class="line"><a id="l02528" name="l02528"></a><span class="lineno"> 2528</span> local_model.GetOrCreate<SharedResponseManager>();</div>
|
|
<div class="line"><a id="l02529" name="l02529"></a><span class="lineno"> 2529</span> local_response_manager->InitializeObjective(lns_fragment);</div>
|
|
<div class="line"><a id="l02530" name="l02530"></a><span class="lineno"> 2530</span> </div>
|
|
<div class="line"><a id="l02531" name="l02531"></a><span class="lineno"> 2531</span> <span class="keywordflow">if</span> (presolve_status == CpSolverStatus::UNKNOWN) {</div>
|
|
<div class="line"><a id="l02532" name="l02532"></a><span class="lineno"> 2532</span> LoadCpModel(lns_fragment, &local_model);</div>
|
|
<div class="line"><a id="l02533" name="l02533"></a><span class="lineno"> 2533</span> QuickSolveWithHint(lns_fragment, &local_model);</div>
|
|
<div class="line"><a id="l02534" name="l02534"></a><span class="lineno"> 2534</span> SolveLoadedCpModel(lns_fragment, &local_model);</div>
|
|
<div class="line"><a id="l02535" name="l02535"></a><span class="lineno"> 2535</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l02536" name="l02536"></a><span class="lineno"> 2536</span> local_response_manager->MutableResponse()->set_status(presolve_status);</div>
|
|
<div class="line"><a id="l02537" name="l02537"></a><span class="lineno"> 2537</span> }</div>
|
|
<div class="line"><a id="l02538" name="l02538"></a><span class="lineno"> 2538</span> CpSolverResponse local_response = local_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l02539" name="l02539"></a><span class="lineno"> 2539</span> </div>
|
|
<div class="line"><a id="l02540" name="l02540"></a><span class="lineno"> 2540</span> <span class="comment">// TODO(user): we actually do not need to postsolve if the solution is</span></div>
|
|
<div class="line"><a id="l02541" name="l02541"></a><span class="lineno"> 2541</span> <span class="comment">// not going to be used...</span></div>
|
|
<div class="line"><a id="l02542" name="l02542"></a><span class="lineno"> 2542</span> <span class="keywordflow">if</span> (local_params.cp_model_presolve() &&</div>
|
|
<div class="line"><a id="l02543" name="l02543"></a><span class="lineno"> 2543</span> (local_response.status() == CpSolverStatus::OPTIMAL ||</div>
|
|
<div class="line"><a id="l02544" name="l02544"></a><span class="lineno"> 2544</span> local_response.status() == CpSolverStatus::FEASIBLE)) {</div>
|
|
<div class="line"><a id="l02545" name="l02545"></a><span class="lineno"> 2545</span> std::vector<int64_t> solution(local_response.solution().begin(),</div>
|
|
<div class="line"><a id="l02546" name="l02546"></a><span class="lineno"> 2546</span> local_response.solution().end());</div>
|
|
<div class="line"><a id="l02547" name="l02547"></a><span class="lineno"> 2547</span> PostsolveResponseWrapper(local_params,</div>
|
|
<div class="line"><a id="l02548" name="l02548"></a><span class="lineno"> 2548</span> helper_->ModelProto().variables_size(),</div>
|
|
<div class="line"><a id="l02549" name="l02549"></a><span class="lineno"> 2549</span> mapping_proto, postsolve_mapping, &solution);</div>
|
|
<div class="line"><a id="l02550" name="l02550"></a><span class="lineno"> 2550</span> local_response.mutable_solution()->Assign(solution.begin(),</div>
|
|
<div class="line"><a id="l02551" name="l02551"></a><span class="lineno"> 2551</span> solution.end());</div>
|
|
<div class="line"><a id="l02552" name="l02552"></a><span class="lineno"> 2552</span> }</div>
|
|
<div class="line"><a id="l02553" name="l02553"></a><span class="lineno"> 2553</span> </div>
|
|
<div class="line"><a id="l02554" name="l02554"></a><span class="lineno"> 2554</span> data.status = local_response.status();</div>
|
|
<div class="line"><a id="l02555" name="l02555"></a><span class="lineno"> 2555</span> data.deterministic_time = local_time_limit->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a id="l02556" name="l02556"></a><span class="lineno"> 2556</span> </div>
|
|
<div class="line"><a id="l02557" name="l02557"></a><span class="lineno"> 2557</span> <span class="keywordtype">bool</span> new_solution = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02558" name="l02558"></a><span class="lineno"> 2558</span> <span class="keywordtype">bool</span> display_lns_info = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02559" name="l02559"></a><span class="lineno"> 2559</span> <span class="keywordflow">if</span> (generator_->IsRelaxationGenerator()) {</div>
|
|
<div class="line"><a id="l02560" name="l02560"></a><span class="lineno"> 2560</span> <span class="keywordtype">bool</span> has_feasible_solution = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l02561" name="l02561"></a><span class="lineno"> 2561</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::OPTIMAL ||</div>
|
|
<div class="line"><a id="l02562" name="l02562"></a><span class="lineno"> 2562</span> local_response.status() == CpSolverStatus::FEASIBLE) {</div>
|
|
<div class="line"><a id="l02563" name="l02563"></a><span class="lineno"> 2563</span> has_feasible_solution = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02564" name="l02564"></a><span class="lineno"> 2564</span> }</div>
|
|
<div class="line"><a id="l02565" name="l02565"></a><span class="lineno"> 2565</span> </div>
|
|
<div class="line"><a id="l02566" name="l02566"></a><span class="lineno"> 2566</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::INFEASIBLE) {</div>
|
|
<div class="line"><a id="l02567" name="l02567"></a><span class="lineno"> 2567</span> shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l02568" name="l02568"></a><span class="lineno"> 2568</span> local_response.solution_info());</div>
|
|
<div class="line"><a id="l02569" name="l02569"></a><span class="lineno"> 2569</span> }</div>
|
|
<div class="line"><a id="l02570" name="l02570"></a><span class="lineno"> 2570</span> </div>
|
|
<div class="line"><a id="l02571" name="l02571"></a><span class="lineno"> 2571</span> <span class="keywordflow">if</span> (shared_->model_proto->has_objective()) {</div>
|
|
<div class="line"><a id="l02572" name="l02572"></a><span class="lineno"> 2572</span> <span class="comment">// TODO(user): This is not deterministic since it is updated without</span></div>
|
|
<div class="line"><a id="l02573" name="l02573"></a><span class="lineno"> 2573</span> <span class="comment">// synchronization! So we shouldn't base the LNS score out of that.</span></div>
|
|
<div class="line"><a id="l02574" name="l02574"></a><span class="lineno"> 2574</span> <span class="keyword">const</span> IntegerValue current_obj_lb =</div>
|
|
<div class="line"><a id="l02575" name="l02575"></a><span class="lineno"> 2575</span> shared_->response->GetInnerObjectiveLowerBound();</div>
|
|
<div class="line"><a id="l02576" name="l02576"></a><span class="lineno"> 2576</span> </div>
|
|
<div class="line"><a id="l02577" name="l02577"></a><span class="lineno"> 2577</span> <span class="keyword">const</span> IntegerValue local_obj_lb =</div>
|
|
<div class="line"><a id="l02578" name="l02578"></a><span class="lineno"> 2578</span> local_response_manager->GetInnerObjectiveLowerBound();</div>
|
|
<div class="line"><a id="l02579" name="l02579"></a><span class="lineno"> 2579</span> </div>
|
|
<div class="line"><a id="l02580" name="l02580"></a><span class="lineno"> 2580</span> <span class="keyword">const</span> <span class="keywordtype">double</span> scaled_local_obj_bound = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a6c7910e5ccb41edc8f442a682890cb31">ScaleObjectiveValue</a>(</div>
|
|
<div class="line"><a id="l02581" name="l02581"></a><span class="lineno"> 2581</span> lns_fragment.objective(), local_obj_lb.value());</div>
|
|
<div class="line"><a id="l02582" name="l02582"></a><span class="lineno"> 2582</span> </div>
|
|
<div class="line"><a id="l02583" name="l02583"></a><span class="lineno"> 2583</span> <span class="comment">// Update the bound.</span></div>
|
|
<div class="line"><a id="l02584" name="l02584"></a><span class="lineno"> 2584</span> <span class="keyword">const</span> IntegerValue new_inner_obj_lb = IntegerValue(</div>
|
|
<div class="line"><a id="l02585" name="l02585"></a><span class="lineno"> 2585</span> std::ceil(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1ff712b32e44ffd2e7f40042330bf2ad">UnscaleObjectiveValue</a>(shared_->model_proto->objective(),</div>
|
|
<div class="line"><a id="l02586" name="l02586"></a><span class="lineno"> 2586</span> scaled_local_obj_bound) -</div>
|
|
<div class="line"><a id="l02587" name="l02587"></a><span class="lineno"> 2587</span> 1e-6));</div>
|
|
<div class="line"><a id="l02588" name="l02588"></a><span class="lineno"> 2588</span> data.new_objective_bound = new_inner_obj_lb;</div>
|
|
<div class="line"><a id="l02589" name="l02589"></a><span class="lineno"> 2589</span> data.initial_best_objective_bound = current_obj_lb;</div>
|
|
<div class="line"><a id="l02590" name="l02590"></a><span class="lineno"> 2590</span> <span class="keywordflow">if</span> (new_inner_obj_lb > current_obj_lb) {</div>
|
|
<div class="line"><a id="l02591" name="l02591"></a><span class="lineno"> 2591</span> shared_->response->UpdateInnerObjectiveBounds(</div>
|
|
<div class="line"><a id="l02592" name="l02592"></a><span class="lineno"> 2592</span> solution_info, new_inner_obj_lb, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>);</div>
|
|
<div class="line"><a id="l02593" name="l02593"></a><span class="lineno"> 2593</span> }</div>
|
|
<div class="line"><a id="l02594" name="l02594"></a><span class="lineno"> 2594</span> }</div>
|
|
<div class="line"><a id="l02595" name="l02595"></a><span class="lineno"> 2595</span> </div>
|
|
<div class="line"><a id="l02596" name="l02596"></a><span class="lineno"> 2596</span> <span class="comment">// If we have a solution of the relaxed problem, we check if it is also</span></div>
|
|
<div class="line"><a id="l02597" name="l02597"></a><span class="lineno"> 2597</span> <span class="comment">// a valid solution of the non-relaxed one.</span></div>
|
|
<div class="line"><a id="l02598" name="l02598"></a><span class="lineno"> 2598</span> <span class="keywordflow">if</span> (has_feasible_solution) {</div>
|
|
<div class="line"><a id="l02599" name="l02599"></a><span class="lineno"> 2599</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a id="l02600" name="l02600"></a><span class="lineno"> 2600</span> *shared_->model_proto,</div>
|
|
<div class="line"><a id="l02601" name="l02601"></a><span class="lineno"> 2601</span> std::vector<int64_t>(local_response.solution().begin(),</div>
|
|
<div class="line"><a id="l02602" name="l02602"></a><span class="lineno"> 2602</span> local_response.solution().end()))) {</div>
|
|
<div class="line"><a id="l02603" name="l02603"></a><span class="lineno"> 2603</span> shared_->response->NewSolution(local_response,</div>
|
|
<div class="line"><a id="l02604" name="l02604"></a><span class="lineno"> 2604</span> <span class="comment">/*model=*/</span><span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l02605" name="l02605"></a><span class="lineno"> 2605</span> </div>
|
|
<div class="line"><a id="l02606" name="l02606"></a><span class="lineno"> 2606</span> <span class="comment">// Mark the solution optimal if the relaxation status is optimal.</span></div>
|
|
<div class="line"><a id="l02607" name="l02607"></a><span class="lineno"> 2607</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::OPTIMAL) {</div>
|
|
<div class="line"><a id="l02608" name="l02608"></a><span class="lineno"> 2608</span> shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l02609" name="l02609"></a><span class="lineno"> 2609</span> local_response.solution_info());</div>
|
|
<div class="line"><a id="l02610" name="l02610"></a><span class="lineno"> 2610</span> shared_->time_limit->Stop();</div>
|
|
<div class="line"><a id="l02611" name="l02611"></a><span class="lineno"> 2611</span> }</div>
|
|
<div class="line"><a id="l02612" name="l02612"></a><span class="lineno"> 2612</span> }</div>
|
|
<div class="line"><a id="l02613" name="l02613"></a><span class="lineno"> 2613</span> shared_->relaxation_solutions->NewRelaxationSolution(local_response);</div>
|
|
<div class="line"><a id="l02614" name="l02614"></a><span class="lineno"> 2614</span> }</div>
|
|
<div class="line"><a id="l02615" name="l02615"></a><span class="lineno"> 2615</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l02616" name="l02616"></a><span class="lineno"> 2616</span> <span class="keyword">const</span> std::vector<int64_t> solution(local_response.solution().begin(),</div>
|
|
<div class="line"><a id="l02617" name="l02617"></a><span class="lineno"> 2617</span> local_response.solution().end());</div>
|
|
<div class="line"><a id="l02618" name="l02618"></a><span class="lineno"> 2618</span> </div>
|
|
<div class="line"><a id="l02619" name="l02619"></a><span class="lineno"> 2619</span> <span class="keywordflow">if</span> (!solution.empty()) {</div>
|
|
<div class="line"><a id="l02620" name="l02620"></a><span class="lineno"> 2620</span> <span class="comment">// A solution that does not pass our validator indicates a bug. We</span></div>
|
|
<div class="line"><a id="l02621" name="l02621"></a><span class="lineno"> 2621</span> <span class="comment">// abort and dump the problematic model to facilitate debugging.</span></div>
|
|
<div class="line"><a id="l02622" name="l02622"></a><span class="lineno"> 2622</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l02623" name="l02623"></a><span class="lineno"> 2623</span> <span class="comment">// TODO(user): In a production environment, we should probably just</span></div>
|
|
<div class="line"><a id="l02624" name="l02624"></a><span class="lineno"> 2624</span> <span class="comment">// ignore this fragment and continue.</span></div>
|
|
<div class="line"><a id="l02625" name="l02625"></a><span class="lineno"> 2625</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> feasible =</div>
|
|
<div class="line"><a id="l02626" name="l02626"></a><span class="lineno"> 2626</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(*shared_->model_proto, solution);</div>
|
|
<div class="line"><a id="l02627" name="l02627"></a><span class="lineno"> 2627</span> <span class="keywordflow">if</span> (!feasible) {</div>
|
|
<div class="line"><a id="l02628" name="l02628"></a><span class="lineno"> 2628</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_problematic_lns)) {</div>
|
|
<div class="line"><a id="l02629" name="l02629"></a><span class="lineno"> 2629</span> <span class="keyword">const</span> std::string <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> =</div>
|
|
<div class="line"><a id="l02630" name="l02630"></a><span class="lineno"> 2630</span> absl::StrCat(absl::GetFlag(FLAGS_cp_model_dump_prefix),</div>
|
|
<div class="line"><a id="l02631" name="l02631"></a><span class="lineno"> 2631</span> debug_copy.name(), <span class="stringliteral">".pb.txt"</span>);</div>
|
|
<div class="line"><a id="l02632" name="l02632"></a><span class="lineno"> 2632</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping problematic LNS model to '"</span> << <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l02633" name="l02633"></a><span class="lineno"> 2633</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, debug_copy, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l02634" name="l02634"></a><span class="lineno"> 2634</span> }</div>
|
|
<div class="line"><a id="l02635" name="l02635"></a><span class="lineno"> 2635</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Infeasible LNS solution! "</span> << solution_info</div>
|
|
<div class="line"><a id="l02636" name="l02636"></a><span class="lineno"> 2636</span> << <span class="stringliteral">" solved with params "</span></div>
|
|
<div class="line"><a id="l02637" name="l02637"></a><span class="lineno"> 2637</span> << local_params.ShortDebugString();</div>
|
|
<div class="line"><a id="l02638" name="l02638"></a><span class="lineno"> 2638</span> }</div>
|
|
<div class="line"><a id="l02639" name="l02639"></a><span class="lineno"> 2639</span> }</div>
|
|
<div class="line"><a id="l02640" name="l02640"></a><span class="lineno"> 2640</span> </div>
|
|
<div class="line"><a id="l02641" name="l02641"></a><span class="lineno"> 2641</span> <span class="comment">// Special case if we solved a part of the full problem!</span></div>
|
|
<div class="line"><a id="l02642" name="l02642"></a><span class="lineno"> 2642</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l02643" name="l02643"></a><span class="lineno"> 2643</span> <span class="comment">// TODO(user): This do not seem to work if they are symmetries loaded</span></div>
|
|
<div class="line"><a id="l02644" name="l02644"></a><span class="lineno"> 2644</span> <span class="comment">// into SAT. For now we just disable this if there is any symmetry.</span></div>
|
|
<div class="line"><a id="l02645" name="l02645"></a><span class="lineno"> 2645</span> <span class="comment">// See for instance spot5_1401.fzn. Be smarter about that:</span></div>
|
|
<div class="line"><a id="l02646" name="l02646"></a><span class="lineno"> 2646</span> <span class="comment">// - If there are connected compo in the initial model, we should only</span></div>
|
|
<div class="line"><a id="l02647" name="l02647"></a><span class="lineno"> 2647</span> <span class="comment">// compute generator that do not cross component? or are component</span></div>
|
|
<div class="line"><a id="l02648" name="l02648"></a><span class="lineno"> 2648</span> <span class="comment">// interchange useful? probably not.</span></div>
|
|
<div class="line"><a id="l02649" name="l02649"></a><span class="lineno"> 2649</span> <span class="comment">// - It should be fine if all our generator are fully or not at</span></div>
|
|
<div class="line"><a id="l02650" name="l02650"></a><span class="lineno"> 2650</span> <span class="comment">// all included in the variable we are fixing. So we can relax the</span></div>
|
|
<div class="line"><a id="l02651" name="l02651"></a><span class="lineno"> 2651</span> <span class="comment">// test here. Try on z26.mps or spot5_1401.fzn.</span></div>
|
|
<div class="line"><a id="l02652" name="l02652"></a><span class="lineno"> 2652</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::OPTIMAL &&</div>
|
|
<div class="line"><a id="l02653" name="l02653"></a><span class="lineno"> 2653</span> !shared_->model_proto->has_symmetry() && !solution.empty() &&</div>
|
|
<div class="line"><a id="l02654" name="l02654"></a><span class="lineno"> 2654</span> neighborhood.is_simple &&</div>
|
|
<div class="line"><a id="l02655" name="l02655"></a><span class="lineno"> 2655</span> !neighborhood.variables_that_can_be_fixed_to_local_optimum</div>
|
|
<div class="line"><a id="l02656" name="l02656"></a><span class="lineno"> 2656</span> .empty()) {</div>
|
|
<div class="line"><a id="l02657" name="l02657"></a><span class="lineno"> 2657</span> display_lns_info = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02658" name="l02658"></a><span class="lineno"> 2658</span> shared_->bounds->FixVariablesFromPartialSolution(</div>
|
|
<div class="line"><a id="l02659" name="l02659"></a><span class="lineno"> 2659</span> solution,</div>
|
|
<div class="line"><a id="l02660" name="l02660"></a><span class="lineno"> 2660</span> neighborhood.variables_that_can_be_fixed_to_local_optimum);</div>
|
|
<div class="line"><a id="l02661" name="l02661"></a><span class="lineno"> 2661</span> }</div>
|
|
<div class="line"><a id="l02662" name="l02662"></a><span class="lineno"> 2662</span> </div>
|
|
<div class="line"><a id="l02663" name="l02663"></a><span class="lineno"> 2663</span> <span class="comment">// Finish to fill the SolveData now that the local solve is done.</span></div>
|
|
<div class="line"><a id="l02664" name="l02664"></a><span class="lineno"> 2664</span> data.new_objective = data.base_objective;</div>
|
|
<div class="line"><a id="l02665" name="l02665"></a><span class="lineno"> 2665</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::OPTIMAL ||</div>
|
|
<div class="line"><a id="l02666" name="l02666"></a><span class="lineno"> 2666</span> local_response.status() == CpSolverStatus::FEASIBLE) {</div>
|
|
<div class="line"><a id="l02667" name="l02667"></a><span class="lineno"> 2667</span> data.new_objective = IntegerValue(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a10826704577008404187a36808daa739">ComputeInnerObjective</a>(</div>
|
|
<div class="line"><a id="l02668" name="l02668"></a><span class="lineno"> 2668</span> shared_->model_proto->objective(), local_response));</div>
|
|
<div class="line"><a id="l02669" name="l02669"></a><span class="lineno"> 2669</span> }</div>
|
|
<div class="line"><a id="l02670" name="l02670"></a><span class="lineno"> 2670</span> </div>
|
|
<div class="line"><a id="l02671" name="l02671"></a><span class="lineno"> 2671</span> <span class="comment">// Report any feasible solution we have. Optimization: We don't do that</span></div>
|
|
<div class="line"><a id="l02672" name="l02672"></a><span class="lineno"> 2672</span> <span class="comment">// if we just recovered the base solution.</span></div>
|
|
<div class="line"><a id="l02673" name="l02673"></a><span class="lineno"> 2673</span> <span class="keywordflow">if</span> (local_response.status() == CpSolverStatus::OPTIMAL ||</div>
|
|
<div class="line"><a id="l02674" name="l02674"></a><span class="lineno"> 2674</span> local_response.status() == CpSolverStatus::FEASIBLE) {</div>
|
|
<div class="line"><a id="l02675" name="l02675"></a><span class="lineno"> 2675</span> <span class="keyword">const</span> std::vector<int64_t> base_solution(</div>
|
|
<div class="line"><a id="l02676" name="l02676"></a><span class="lineno"> 2676</span> base_response.solution().begin(), base_response.solution().end());</div>
|
|
<div class="line"><a id="l02677" name="l02677"></a><span class="lineno"> 2677</span> <span class="keywordflow">if</span> (solution != base_solution) {</div>
|
|
<div class="line"><a id="l02678" name="l02678"></a><span class="lineno"> 2678</span> new_solution = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l02679" name="l02679"></a><span class="lineno"> 2679</span> shared_->response->NewSolution(local_response, <span class="comment">/*model=*/</span><span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l02680" name="l02680"></a><span class="lineno"> 2680</span> }</div>
|
|
<div class="line"><a id="l02681" name="l02681"></a><span class="lineno"> 2681</span> }</div>
|
|
<div class="line"><a id="l02682" name="l02682"></a><span class="lineno"> 2682</span> <span class="keywordflow">if</span> (!neighborhood.is_reduced &&</div>
|
|
<div class="line"><a id="l02683" name="l02683"></a><span class="lineno"> 2683</span> (local_response.status() == CpSolverStatus::OPTIMAL ||</div>
|
|
<div class="line"><a id="l02684" name="l02684"></a><span class="lineno"> 2684</span> local_response.status() == CpSolverStatus::INFEASIBLE)) {</div>
|
|
<div class="line"><a id="l02685" name="l02685"></a><span class="lineno"> 2685</span> shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a id="l02686" name="l02686"></a><span class="lineno"> 2686</span> local_response.solution_info());</div>
|
|
<div class="line"><a id="l02687" name="l02687"></a><span class="lineno"> 2687</span> shared_->time_limit->Stop();</div>
|
|
<div class="line"><a id="l02688" name="l02688"></a><span class="lineno"> 2688</span> }</div>
|
|
<div class="line"><a id="l02689" name="l02689"></a><span class="lineno"> 2689</span> }</div>
|
|
<div class="line"><a id="l02690" name="l02690"></a><span class="lineno"> 2690</span> </div>
|
|
<div class="line"><a id="l02691" name="l02691"></a><span class="lineno"> 2691</span> generator_->AddSolveData(data);</div>
|
|
<div class="line"><a id="l02692" name="l02692"></a><span class="lineno"> 2692</span> </div>
|
|
<div class="line"><a id="l02693" name="l02693"></a><span class="lineno"> 2693</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(1) && display_lns_info) {</div>
|
|
<div class="line"><a id="l02694" name="l02694"></a><span class="lineno"> 2694</span> <span class="keyword">auto</span>* logger = shared_->global_model->GetOrCreate<SolverLogger>();</div>
|
|
<div class="line"><a id="l02695" name="l02695"></a><span class="lineno"> 2695</span> std::string s = absl::StrCat(<span class="stringliteral">" LNS "</span>, <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>(), <span class="stringliteral">":"</span>);</div>
|
|
<div class="line"><a id="l02696" name="l02696"></a><span class="lineno"> 2696</span> <span class="keywordflow">if</span> (new_solution) {</div>
|
|
<div class="line"><a id="l02697" name="l02697"></a><span class="lineno"> 2697</span> <span class="keyword">const</span> <span class="keywordtype">double</span> base_obj = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a6c7910e5ccb41edc8f442a682890cb31">ScaleObjectiveValue</a>(</div>
|
|
<div class="line"><a id="l02698" name="l02698"></a><span class="lineno"> 2698</span> shared_->model_proto->objective(),</div>
|
|
<div class="line"><a id="l02699" name="l02699"></a><span class="lineno"> 2699</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a10826704577008404187a36808daa739">ComputeInnerObjective</a>(shared_->model_proto->objective(),</div>
|
|
<div class="line"><a id="l02700" name="l02700"></a><span class="lineno"> 2700</span> base_response));</div>
|
|
<div class="line"><a id="l02701" name="l02701"></a><span class="lineno"> 2701</span> <span class="keyword">const</span> <span class="keywordtype">double</span> new_obj = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a6c7910e5ccb41edc8f442a682890cb31">ScaleObjectiveValue</a>(</div>
|
|
<div class="line"><a id="l02702" name="l02702"></a><span class="lineno"> 2702</span> shared_->model_proto->objective(),</div>
|
|
<div class="line"><a id="l02703" name="l02703"></a><span class="lineno"> 2703</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a10826704577008404187a36808daa739">ComputeInnerObjective</a>(shared_->model_proto->objective(),</div>
|
|
<div class="line"><a id="l02704" name="l02704"></a><span class="lineno"> 2704</span> local_response));</div>
|
|
<div class="line"><a id="l02705" name="l02705"></a><span class="lineno"> 2705</span> absl::StrAppend(&s, <span class="stringliteral">" [new_sol:"</span>, base_obj, <span class="stringliteral">" -> "</span>, new_obj, <span class="stringliteral">"]"</span>);</div>
|
|
<div class="line"><a id="l02706" name="l02706"></a><span class="lineno"> 2706</span> }</div>
|
|
<div class="line"><a id="l02707" name="l02707"></a><span class="lineno"> 2707</span> <span class="keywordflow">if</span> (neighborhood.is_simple) {</div>
|
|
<div class="line"><a id="l02708" name="l02708"></a><span class="lineno"> 2708</span> absl::StrAppend(</div>
|
|
<div class="line"><a id="l02709" name="l02709"></a><span class="lineno"> 2709</span> &s, <span class="stringliteral">" ["</span>, <span class="stringliteral">"relaxed:"</span>, neighborhood.num_relaxed_variables,</div>
|
|
<div class="line"><a id="l02710" name="l02710"></a><span class="lineno"> 2710</span> <span class="stringliteral">" in_obj:"</span>, neighborhood.num_relaxed_variables_in_objective,</div>
|
|
<div class="line"><a id="l02711" name="l02711"></a><span class="lineno"> 2711</span> <span class="stringliteral">" compo:"</span>,</div>
|
|
<div class="line"><a id="l02712" name="l02712"></a><span class="lineno"> 2712</span> neighborhood.variables_that_can_be_fixed_to_local_optimum.size(),</div>
|
|
<div class="line"><a id="l02713" name="l02713"></a><span class="lineno"> 2713</span> <span class="stringliteral">"]"</span>);</div>
|
|
<div class="line"><a id="l02714" name="l02714"></a><span class="lineno"> 2714</span> }</div>
|
|
<div class="line"><a id="l02715" name="l02715"></a><span class="lineno"> 2715</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, s, <span class="stringliteral">" [d:"</span>, data.difficulty, <span class="stringliteral">", id:"</span>, task_id,</div>
|
|
<div class="line"><a id="l02716" name="l02716"></a><span class="lineno"> 2716</span> <span class="stringliteral">", dtime:"</span>, data.deterministic_time, <span class="stringliteral">"/"</span>,</div>
|
|
<div class="line"><a id="l02717" name="l02717"></a><span class="lineno"> 2717</span> data.deterministic_limit,</div>
|
|
<div class="line"><a id="l02718" name="l02718"></a><span class="lineno"> 2718</span> <span class="stringliteral">", status:"</span>, ProtoEnumToString<CpSolverStatus>(data.status),</div>
|
|
<div class="line"><a id="l02719" name="l02719"></a><span class="lineno"> 2719</span> <span class="stringliteral">", #calls:"</span>, generator_->num_calls(),</div>
|
|
<div class="line"><a id="l02720" name="l02720"></a><span class="lineno"> 2720</span> <span class="stringliteral">", p:"</span>, fully_solved_proportion, <span class="stringliteral">"]"</span>);</div>
|
|
<div class="line"><a id="l02721" name="l02721"></a><span class="lineno"> 2721</span> }</div>
|
|
<div class="line"><a id="l02722" name="l02722"></a><span class="lineno"> 2722</span> };</div>
|
|
<div class="line"><a id="l02723" name="l02723"></a><span class="lineno"> 2723</span> }</div>
|
|
<div class="line"><a id="l02724" name="l02724"></a><span class="lineno"> 2724</span> </div>
|
|
<div class="line"><a id="l02725" name="l02725"></a><span class="lineno"> 2725</span> <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l02726" name="l02726"></a><span class="lineno"> 2726</span> generator_->Synchronize();</div>
|
|
<div class="line"><a id="l02727" name="l02727"></a><span class="lineno"> 2727</span> <span class="keyword">const</span> <span class="keywordtype">double</span> old = deterministic_time_;</div>
|
|
<div class="line"><a id="l02728" name="l02728"></a><span class="lineno"> 2728</span> deterministic_time_ = generator_->deterministic_time();</div>
|
|
<div class="line"><a id="l02729" name="l02729"></a><span class="lineno"> 2729</span> shared_->time_limit->AdvanceDeterministicTime(deterministic_time_ - old);</div>
|
|
<div class="line"><a id="l02730" name="l02730"></a><span class="lineno"> 2730</span> }</div>
|
|
<div class="line"><a id="l02731" name="l02731"></a><span class="lineno"> 2731</span> </div>
|
|
<div class="line"><a id="l02732" name="l02732"></a><span class="lineno"> 2732</span> <span class="comment">// TODO(user): Display LNS success rate.</span></div>
|
|
<div class="line"><a id="l02733" name="l02733"></a><span class="lineno"> 2733</span> </div>
|
|
<div class="line"><a id="l02734" name="l02734"></a><span class="lineno"> 2734</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l02735" name="l02735"></a><span class="lineno"> 2735</span> std::unique_ptr<NeighborhoodGenerator> generator_;</div>
|
|
<div class="line"><a id="l02736" name="l02736"></a><span class="lineno"> 2736</span> NeighborhoodGeneratorHelper* helper_;</div>
|
|
<div class="line"><a id="l02737" name="l02737"></a><span class="lineno"> 2737</span> <span class="keyword">const</span> SatParameters parameters_;</div>
|
|
<div class="line"><a id="l02738" name="l02738"></a><span class="lineno"> 2738</span> SharedClasses* shared_;</div>
|
|
<div class="line"><a id="l02739" name="l02739"></a><span class="lineno"> 2739</span>};</div>
|
|
<div class="line"><a id="l02740" name="l02740"></a><span class="lineno"> 2740</span> </div>
|
|
<div class="line"><a id="l02741" name="l02741"></a><span class="lineno"> 2741</span><span class="keywordtype">void</span> SolveCpModelParallel(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l02742" name="l02742"></a><span class="lineno"> 2742</span> Model* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>) {</div>
|
|
<div class="line"><a id="l02743" name="l02743"></a><span class="lineno"> 2743</span> <span class="keyword">const</span> SatParameters& params = *<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><SatParameters>();</div>
|
|
<div class="line"><a id="l02744" name="l02744"></a><span class="lineno"> 2744</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!params.enumerate_all_solutions())</div>
|
|
<div class="line"><a id="l02745" name="l02745"></a><span class="lineno"> 2745</span> << <span class="stringliteral">"Enumerating all solutions in parallel is not supported."</span>;</div>
|
|
<div class="line"><a id="l02746" name="l02746"></a><span class="lineno"> 2746</span> </div>
|
|
<div class="line"><a id="l02747" name="l02747"></a><span class="lineno"> 2747</span> std::unique_ptr<SharedBoundsManager> shared_bounds_manager;</div>
|
|
<div class="line"><a id="l02748" name="l02748"></a><span class="lineno"> 2748</span> <span class="keywordflow">if</span> (params.share_level_zero_bounds()) {</div>
|
|
<div class="line"><a id="l02749" name="l02749"></a><span class="lineno"> 2749</span> shared_bounds_manager = absl::make_unique<SharedBoundsManager>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a id="l02750" name="l02750"></a><span class="lineno"> 2750</span> }</div>
|
|
<div class="line"><a id="l02751" name="l02751"></a><span class="lineno"> 2751</span> </div>
|
|
<div class="line"><a id="l02752" name="l02752"></a><span class="lineno"> 2752</span> std::unique_ptr<SharedRelaxationSolutionRepository></div>
|
|
<div class="line"><a id="l02753" name="l02753"></a><span class="lineno"> 2753</span> shared_relaxation_solutions;</div>
|
|
<div class="line"><a id="l02754" name="l02754"></a><span class="lineno"> 2754</span> <span class="keywordflow">if</span> (params.use_relaxation_lns()) {</div>
|
|
<div class="line"><a id="l02755" name="l02755"></a><span class="lineno"> 2755</span> shared_relaxation_solutions =</div>
|
|
<div class="line"><a id="l02756" name="l02756"></a><span class="lineno"> 2756</span> absl::make_unique<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a id="l02757" name="l02757"></a><span class="lineno"> 2757</span> <span class="comment">/*num_solutions_to_keep=*/</span>10);</div>
|
|
<div class="line"><a id="l02758" name="l02758"></a><span class="lineno"> 2758</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">Register</a><SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a id="l02759" name="l02759"></a><span class="lineno"> 2759</span> shared_relaxation_solutions.get());</div>
|
|
<div class="line"><a id="l02760" name="l02760"></a><span class="lineno"> 2760</span> }</div>
|
|
<div class="line"><a id="l02761" name="l02761"></a><span class="lineno"> 2761</span> </div>
|
|
<div class="line"><a id="l02762" name="l02762"></a><span class="lineno"> 2762</span> <span class="keyword">auto</span> shared_lp_solutions = absl::make_unique<SharedLPSolutionRepository>(</div>
|
|
<div class="line"><a id="l02763" name="l02763"></a><span class="lineno"> 2763</span> <span class="comment">/*num_solutions_to_keep=*/</span>10);</div>
|
|
<div class="line"><a id="l02764" name="l02764"></a><span class="lineno"> 2764</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">Register</a><SharedLPSolutionRepository>(shared_lp_solutions.get());</div>
|
|
<div class="line"><a id="l02765" name="l02765"></a><span class="lineno"> 2765</span> </div>
|
|
<div class="line"><a id="l02766" name="l02766"></a><span class="lineno"> 2766</span> <span class="comment">// We currently only use the feasiblity pump if it is enabled and some other</span></div>
|
|
<div class="line"><a id="l02767" name="l02767"></a><span class="lineno"> 2767</span> <span class="comment">// parameters are not on.</span></div>
|
|
<div class="line"><a id="l02768" name="l02768"></a><span class="lineno"> 2768</span> std::unique_ptr<SharedIncompleteSolutionManager> shared_incomplete_solutions;</div>
|
|
<div class="line"><a id="l02769" name="l02769"></a><span class="lineno"> 2769</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> use_feasibility_pump =</div>
|
|
<div class="line"><a id="l02770" name="l02770"></a><span class="lineno"> 2770</span> params.use_feasibility_pump() && params.linearization_level() > 0 &&</div>
|
|
<div class="line"><a id="l02771" name="l02771"></a><span class="lineno"> 2771</span> !params.use_lns_only() && !params.interleave_search();</div>
|
|
<div class="line"><a id="l02772" name="l02772"></a><span class="lineno"> 2772</span> <span class="keywordflow">if</span> (use_feasibility_pump) {</div>
|
|
<div class="line"><a id="l02773" name="l02773"></a><span class="lineno"> 2773</span> shared_incomplete_solutions =</div>
|
|
<div class="line"><a id="l02774" name="l02774"></a><span class="lineno"> 2774</span> absl::make_unique<SharedIncompleteSolutionManager>();</div>
|
|
<div class="line"><a id="l02775" name="l02775"></a><span class="lineno"> 2775</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">Register</a><SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a id="l02776" name="l02776"></a><span class="lineno"> 2776</span> shared_incomplete_solutions.get());</div>
|
|
<div class="line"><a id="l02777" name="l02777"></a><span class="lineno"> 2777</span> }</div>
|
|
<div class="line"><a id="l02778" name="l02778"></a><span class="lineno"> 2778</span> </div>
|
|
<div class="line"><a id="l02779" name="l02779"></a><span class="lineno"> 2779</span> std::unique_ptr<SharedClausesManager> shared_clauses;</div>
|
|
<div class="line"><a id="l02780" name="l02780"></a><span class="lineno"> 2780</span> <span class="keywordflow">if</span> (params.share_binary_clauses()) {</div>
|
|
<div class="line"><a id="l02781" name="l02781"></a><span class="lineno"> 2781</span> shared_clauses = absl::make_unique<SharedClausesManager>();</div>
|
|
<div class="line"><a id="l02782" name="l02782"></a><span class="lineno"> 2782</span> }</div>
|
|
<div class="line"><a id="l02783" name="l02783"></a><span class="lineno"> 2783</span> </div>
|
|
<div class="line"><a id="l02784" name="l02784"></a><span class="lineno"> 2784</span> SharedClasses shared;</div>
|
|
<div class="line"><a id="l02785" name="l02785"></a><span class="lineno"> 2785</span> shared.model_proto = &<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
|
|
<div class="line"><a id="l02786" name="l02786"></a><span class="lineno"> 2786</span> shared.wall_timer = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="class_wall_timer.html">WallTimer</a>>();</div>
|
|
<div class="line"><a id="l02787" name="l02787"></a><span class="lineno"> 2787</span> shared.time_limit = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><ModelSharedTimeLimit>();</div>
|
|
<div class="line"><a id="l02788" name="l02788"></a><span class="lineno"> 2788</span> shared.bounds = shared_bounds_manager.get();</div>
|
|
<div class="line"><a id="l02789" name="l02789"></a><span class="lineno"> 2789</span> shared.response = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><SharedResponseManager>();</div>
|
|
<div class="line"><a id="l02790" name="l02790"></a><span class="lineno"> 2790</span> shared.relaxation_solutions = shared_relaxation_solutions.get();</div>
|
|
<div class="line"><a id="l02791" name="l02791"></a><span class="lineno"> 2791</span> shared.lp_solutions = shared_lp_solutions.get();</div>
|
|
<div class="line"><a id="l02792" name="l02792"></a><span class="lineno"> 2792</span> shared.incomplete_solutions = shared_incomplete_solutions.get();</div>
|
|
<div class="line"><a id="l02793" name="l02793"></a><span class="lineno"> 2793</span> shared.clauses = shared_clauses.get();</div>
|
|
<div class="line"><a id="l02794" name="l02794"></a><span class="lineno"> 2794</span> shared.global_model = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>;</div>
|
|
<div class="line"><a id="l02795" name="l02795"></a><span class="lineno"> 2795</span> </div>
|
|
<div class="line"><a id="l02796" name="l02796"></a><span class="lineno"> 2796</span> <span class="comment">// The list of all the SubSolver that will be used in this parallel search.</span></div>
|
|
<div class="line"><a id="l02797" name="l02797"></a><span class="lineno"> 2797</span> std::vector<std::unique_ptr<SubSolver>> subsolvers;</div>
|
|
<div class="line"><a id="l02798" name="l02798"></a><span class="lineno"> 2798</span> </div>
|
|
<div class="line"><a id="l02799" name="l02799"></a><span class="lineno"> 2799</span> <span class="comment">// Add a synchronization point for the shared classes.</span></div>
|
|
<div class="line"><a id="l02800" name="l02800"></a><span class="lineno"> 2800</span> subsolvers.push_back(absl::make_unique<SynchronizationPoint>([&shared]() {</div>
|
|
<div class="line"><a id="l02801" name="l02801"></a><span class="lineno"> 2801</span> shared.response->Synchronize();</div>
|
|
<div class="line"><a id="l02802" name="l02802"></a><span class="lineno"> 2802</span> shared.response->MutableSolutionsRepository()->Synchronize();</div>
|
|
<div class="line"><a id="l02803" name="l02803"></a><span class="lineno"> 2803</span> <span class="keywordflow">if</span> (shared.bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02804" name="l02804"></a><span class="lineno"> 2804</span> shared.bounds->Synchronize();</div>
|
|
<div class="line"><a id="l02805" name="l02805"></a><span class="lineno"> 2805</span> }</div>
|
|
<div class="line"><a id="l02806" name="l02806"></a><span class="lineno"> 2806</span> <span class="keywordflow">if</span> (shared.relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02807" name="l02807"></a><span class="lineno"> 2807</span> shared.relaxation_solutions->Synchronize();</div>
|
|
<div class="line"><a id="l02808" name="l02808"></a><span class="lineno"> 2808</span> }</div>
|
|
<div class="line"><a id="l02809" name="l02809"></a><span class="lineno"> 2809</span> <span class="keywordflow">if</span> (shared.lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l02810" name="l02810"></a><span class="lineno"> 2810</span> shared.lp_solutions->Synchronize();</div>
|
|
<div class="line"><a id="l02811" name="l02811"></a><span class="lineno"> 2811</span> }</div>
|
|
<div class="line"><a id="l02812" name="l02812"></a><span class="lineno"> 2812</span> }));</div>
|
|
<div class="line"><a id="l02813" name="l02813"></a><span class="lineno"> 2813</span> </div>
|
|
<div class="line"><a id="l02814" name="l02814"></a><span class="lineno"> 2814</span> <span class="keywordflow">if</span> (params.use_lns_only()) {</div>
|
|
<div class="line"><a id="l02815" name="l02815"></a><span class="lineno"> 2815</span> <span class="comment">// Register something to find a first solution. Note that this is mainly</span></div>
|
|
<div class="line"><a id="l02816" name="l02816"></a><span class="lineno"> 2816</span> <span class="comment">// used for experimentation, and using no LP ususally result in a faster</span></div>
|
|
<div class="line"><a id="l02817" name="l02817"></a><span class="lineno"> 2817</span> <span class="comment">// first solution.</span></div>
|
|
<div class="line"><a id="l02818" name="l02818"></a><span class="lineno"> 2818</span> SatParameters local_params = params;</div>
|
|
<div class="line"><a id="l02819" name="l02819"></a><span class="lineno"> 2819</span> local_params.set_stop_after_first_solution(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l02820" name="l02820"></a><span class="lineno"> 2820</span> local_params.set_linearization_level(0);</div>
|
|
<div class="line"><a id="l02821" name="l02821"></a><span class="lineno"> 2821</span> subsolvers.push_back(absl::make_unique<FullProblemSolver>(</div>
|
|
<div class="line"><a id="l02822" name="l02822"></a><span class="lineno"> 2822</span> <span class="stringliteral">"first_solution"</span>, local_params,</div>
|
|
<div class="line"><a id="l02823" name="l02823"></a><span class="lineno"> 2823</span> <span class="comment">/*split_in_chunks=*/</span><span class="keyword">false</span>, &shared));</div>
|
|
<div class="line"><a id="l02824" name="l02824"></a><span class="lineno"> 2824</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l02825" name="l02825"></a><span class="lineno"> 2825</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> SatParameters& local_params :</div>
|
|
<div class="line"><a id="l02826" name="l02826"></a><span class="lineno"> 2826</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9d3cf6d279ee2825e1568058fa54d5b6">GetDiverseSetOfParameters</a>(params, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>)) {</div>
|
|
<div class="line"><a id="l02827" name="l02827"></a><span class="lineno"> 2827</span> <span class="comment">// TODO(user): This is currently not supported here.</span></div>
|
|
<div class="line"><a id="l02828" name="l02828"></a><span class="lineno"> 2828</span> <span class="keywordflow">if</span> (params.optimize_with_max_hs()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l02829" name="l02829"></a><span class="lineno"> 2829</span> </div>
|
|
<div class="line"><a id="l02830" name="l02830"></a><span class="lineno"> 2830</span> subsolvers.push_back(absl::make_unique<FullProblemSolver>(</div>
|
|
<div class="line"><a id="l02831" name="l02831"></a><span class="lineno"> 2831</span> local_params.name(), local_params,</div>
|
|
<div class="line"><a id="l02832" name="l02832"></a><span class="lineno"> 2832</span> <span class="comment">/*split_in_chunks=*/</span>params.interleave_search(), &shared));</div>
|
|
<div class="line"><a id="l02833" name="l02833"></a><span class="lineno"> 2833</span> }</div>
|
|
<div class="line"><a id="l02834" name="l02834"></a><span class="lineno"> 2834</span> }</div>
|
|
<div class="line"><a id="l02835" name="l02835"></a><span class="lineno"> 2835</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_full_subsolvers = subsolvers.size();</div>
|
|
<div class="line"><a id="l02836" name="l02836"></a><span class="lineno"> 2836</span> </div>
|
|
<div class="line"><a id="l02837" name="l02837"></a><span class="lineno"> 2837</span> <span class="comment">// Add FeasibilityPumpSolver if enabled.</span></div>
|
|
<div class="line"><a id="l02838" name="l02838"></a><span class="lineno"> 2838</span> <span class="keywordflow">if</span> (use_feasibility_pump) {</div>
|
|
<div class="line"><a id="l02839" name="l02839"></a><span class="lineno"> 2839</span> subsolvers.push_back(</div>
|
|
<div class="line"><a id="l02840" name="l02840"></a><span class="lineno"> 2840</span> absl::make_unique<FeasibilityPumpSolver>(params, &shared));</div>
|
|
<div class="line"><a id="l02841" name="l02841"></a><span class="lineno"> 2841</span> }</div>
|
|
<div class="line"><a id="l02842" name="l02842"></a><span class="lineno"> 2842</span> </div>
|
|
<div class="line"><a id="l02843" name="l02843"></a><span class="lineno"> 2843</span> <span class="comment">// Add LNS SubSolver(s).</span></div>
|
|
<div class="line"><a id="l02844" name="l02844"></a><span class="lineno"> 2844</span> </div>
|
|
<div class="line"><a id="l02845" name="l02845"></a><span class="lineno"> 2845</span> <span class="comment">// Add the NeighborhoodGeneratorHelper as a special subsolver so that its</span></div>
|
|
<div class="line"><a id="l02846" name="l02846"></a><span class="lineno"> 2846</span> <span class="comment">// Synchronize() is called before any LNS neighborhood solvers.</span></div>
|
|
<div class="line"><a id="l02847" name="l02847"></a><span class="lineno"> 2847</span> <span class="keyword">auto</span> unique_helper = absl::make_unique<NeighborhoodGeneratorHelper>(</div>
|
|
<div class="line"><a id="l02848" name="l02848"></a><span class="lineno"> 2848</span> &<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params, shared.response, shared.time_limit, shared.bounds);</div>
|
|
<div class="line"><a id="l02849" name="l02849"></a><span class="lineno"> 2849</span> NeighborhoodGeneratorHelper* helper = unique_helper.get();</div>
|
|
<div class="line"><a id="l02850" name="l02850"></a><span class="lineno"> 2850</span> subsolvers.push_back(std::move(unique_helper));</div>
|
|
<div class="line"><a id="l02851" name="l02851"></a><span class="lineno"> 2851</span> </div>
|
|
<div class="line"><a id="l02852" name="l02852"></a><span class="lineno"> 2852</span> <span class="comment">// By default we use the user provided parameters.</span></div>
|
|
<div class="line"><a id="l02853" name="l02853"></a><span class="lineno"> 2853</span> std::vector<SatParameters> lns_params = {params};</div>
|
|
<div class="line"><a id="l02854" name="l02854"></a><span class="lineno"> 2854</span> lns_params.back().set_name(<span class="stringliteral">"default"</span>);</div>
|
|
<div class="line"><a id="l02855" name="l02855"></a><span class="lineno"> 2855</span> <span class="keywordflow">if</span> (params.diversify_lns_params()) {</div>
|
|
<div class="line"><a id="l02856" name="l02856"></a><span class="lineno"> 2856</span> SatParameters copy = params;</div>
|
|
<div class="line"><a id="l02857" name="l02857"></a><span class="lineno"> 2857</span> copy.set_num_workers(6);</div>
|
|
<div class="line"><a id="l02858" name="l02858"></a><span class="lineno"> 2858</span> copy.set_min_num_lns_workers(0);</div>
|
|
<div class="line"><a id="l02859" name="l02859"></a><span class="lineno"> 2859</span> lns_params = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9d3cf6d279ee2825e1568058fa54d5b6">GetDiverseSetOfParameters</a>(copy, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a id="l02860" name="l02860"></a><span class="lineno"> 2860</span> }</div>
|
|
<div class="line"><a id="l02861" name="l02861"></a><span class="lineno"> 2861</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> SatParameters& local_params : lns_params) {</div>
|
|
<div class="line"><a id="l02862" name="l02862"></a><span class="lineno"> 2862</span> <span class="comment">// Only register following LNS SubSolver if there is an objective.</span></div>
|
|
<div class="line"><a id="l02863" name="l02863"></a><span class="lineno"> 2863</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a id="l02864" name="l02864"></a><span class="lineno"> 2864</span> <span class="comment">// Enqueue all the possible LNS neighborhood subsolvers.</span></div>
|
|
<div class="line"><a id="l02865" name="l02865"></a><span class="lineno"> 2865</span> <span class="comment">// Each will have their own metrics.</span></div>
|
|
<div class="line"><a id="l02866" name="l02866"></a><span class="lineno"> 2866</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02867" name="l02867"></a><span class="lineno"> 2867</span> absl::make_unique<RelaxRandomVariablesGenerator>(</div>
|
|
<div class="line"><a id="l02868" name="l02868"></a><span class="lineno"> 2868</span> helper, absl::StrCat(<span class="stringliteral">"rnd_var_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02869" name="l02869"></a><span class="lineno"> 2869</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02870" name="l02870"></a><span class="lineno"> 2870</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02871" name="l02871"></a><span class="lineno"> 2871</span> absl::make_unique<RelaxRandomConstraintsGenerator>(</div>
|
|
<div class="line"><a id="l02872" name="l02872"></a><span class="lineno"> 2872</span> helper, absl::StrCat(<span class="stringliteral">"rnd_cst_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02873" name="l02873"></a><span class="lineno"> 2873</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02874" name="l02874"></a><span class="lineno"> 2874</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02875" name="l02875"></a><span class="lineno"> 2875</span> absl::make_unique<VariableGraphNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02876" name="l02876"></a><span class="lineno"> 2876</span> helper, absl::StrCat(<span class="stringliteral">"graph_var_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02877" name="l02877"></a><span class="lineno"> 2877</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02878" name="l02878"></a><span class="lineno"> 2878</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02879" name="l02879"></a><span class="lineno"> 2879</span> absl::make_unique<ConstraintGraphNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02880" name="l02880"></a><span class="lineno"> 2880</span> helper, absl::StrCat(<span class="stringliteral">"graph_cst_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02881" name="l02881"></a><span class="lineno"> 2881</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02882" name="l02882"></a><span class="lineno"> 2882</span> </div>
|
|
<div class="line"><a id="l02883" name="l02883"></a><span class="lineno"> 2883</span> <span class="comment">// TODO(user): If we have a model with scheduling + routing. We create</span></div>
|
|
<div class="line"><a id="l02884" name="l02884"></a><span class="lineno"> 2884</span> <span class="comment">// a lot of LNS generators. Investigate if we can reduce this number.</span></div>
|
|
<div class="line"><a id="l02885" name="l02885"></a><span class="lineno"> 2885</span> <span class="keywordflow">if</span> (!helper->TypeToConstraints(ConstraintProto::kNoOverlap).empty() ||</div>
|
|
<div class="line"><a id="l02886" name="l02886"></a><span class="lineno"> 2886</span> !helper->TypeToConstraints(ConstraintProto::kNoOverlap2D).empty() ||</div>
|
|
<div class="line"><a id="l02887" name="l02887"></a><span class="lineno"> 2887</span> !helper->TypeToConstraints(ConstraintProto::kCumulative).empty()) {</div>
|
|
<div class="line"><a id="l02888" name="l02888"></a><span class="lineno"> 2888</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02889" name="l02889"></a><span class="lineno"> 2889</span> absl::make_unique<SchedulingTimeWindowNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02890" name="l02890"></a><span class="lineno"> 2890</span> helper, absl::StrCat(<span class="stringliteral">"scheduling_time_window_lns_"</span>,</div>
|
|
<div class="line"><a id="l02891" name="l02891"></a><span class="lineno"> 2891</span> local_params.name())),</div>
|
|
<div class="line"><a id="l02892" name="l02892"></a><span class="lineno"> 2892</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02893" name="l02893"></a><span class="lineno"> 2893</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02894" name="l02894"></a><span class="lineno"> 2894</span> absl::make_unique<SchedulingNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02895" name="l02895"></a><span class="lineno"> 2895</span> helper,</div>
|
|
<div class="line"><a id="l02896" name="l02896"></a><span class="lineno"> 2896</span> absl::StrCat(<span class="stringliteral">"scheduling_random_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02897" name="l02897"></a><span class="lineno"> 2897</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02898" name="l02898"></a><span class="lineno"> 2898</span> }</div>
|
|
<div class="line"><a id="l02899" name="l02899"></a><span class="lineno"> 2899</span> }</div>
|
|
<div class="line"><a id="l02900" name="l02900"></a><span class="lineno"> 2900</span> </div>
|
|
<div class="line"><a id="l02901" name="l02901"></a><span class="lineno"> 2901</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_circuit =</div>
|
|
<div class="line"><a id="l02902" name="l02902"></a><span class="lineno"> 2902</span> helper->TypeToConstraints(ConstraintProto::kCircuit).size();</div>
|
|
<div class="line"><a id="l02903" name="l02903"></a><span class="lineno"> 2903</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_routes =</div>
|
|
<div class="line"><a id="l02904" name="l02904"></a><span class="lineno"> 2904</span> helper->TypeToConstraints(ConstraintProto::kRoutes).size();</div>
|
|
<div class="line"><a id="l02905" name="l02905"></a><span class="lineno"> 2905</span> <span class="keywordflow">if</span> (num_circuit + num_routes > 0) {</div>
|
|
<div class="line"><a id="l02906" name="l02906"></a><span class="lineno"> 2906</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02907" name="l02907"></a><span class="lineno"> 2907</span> absl::make_unique<RoutingRandomNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02908" name="l02908"></a><span class="lineno"> 2908</span> helper, absl::StrCat(<span class="stringliteral">"routing_random_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02909" name="l02909"></a><span class="lineno"> 2909</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02910" name="l02910"></a><span class="lineno"> 2910</span> </div>
|
|
<div class="line"><a id="l02911" name="l02911"></a><span class="lineno"> 2911</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02912" name="l02912"></a><span class="lineno"> 2912</span> absl::make_unique<RoutingPathNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02913" name="l02913"></a><span class="lineno"> 2913</span> helper, absl::StrCat(<span class="stringliteral">"routing_path_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02914" name="l02914"></a><span class="lineno"> 2914</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02915" name="l02915"></a><span class="lineno"> 2915</span> }</div>
|
|
<div class="line"><a id="l02916" name="l02916"></a><span class="lineno"> 2916</span> <span class="keywordflow">if</span> (num_routes > 0 || num_circuit > 1) {</div>
|
|
<div class="line"><a id="l02917" name="l02917"></a><span class="lineno"> 2917</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02918" name="l02918"></a><span class="lineno"> 2918</span> absl::make_unique<RoutingFullPathNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02919" name="l02919"></a><span class="lineno"> 2919</span> helper,</div>
|
|
<div class="line"><a id="l02920" name="l02920"></a><span class="lineno"> 2920</span> absl::StrCat(<span class="stringliteral">"routing_full_path_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02921" name="l02921"></a><span class="lineno"> 2921</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02922" name="l02922"></a><span class="lineno"> 2922</span> }</div>
|
|
<div class="line"><a id="l02923" name="l02923"></a><span class="lineno"> 2923</span> </div>
|
|
<div class="line"><a id="l02924" name="l02924"></a><span class="lineno"> 2924</span> <span class="comment">// TODO(user): for now this is not deterministic so we disable it on</span></div>
|
|
<div class="line"><a id="l02925" name="l02925"></a><span class="lineno"> 2925</span> <span class="comment">// interleave search. Fix.</span></div>
|
|
<div class="line"><a id="l02926" name="l02926"></a><span class="lineno"> 2926</span> <span class="keywordflow">if</span> (params.use_rins_lns() && !params.interleave_search()) {</div>
|
|
<div class="line"><a id="l02927" name="l02927"></a><span class="lineno"> 2927</span> <span class="comment">// Note that we always create the SharedLPSolutionRepository. This meets</span></div>
|
|
<div class="line"><a id="l02928" name="l02928"></a><span class="lineno"> 2928</span> <span class="comment">// the requirement of having at least one of</span></div>
|
|
<div class="line"><a id="l02929" name="l02929"></a><span class="lineno"> 2929</span> <span class="comment">// SharedRelaxationSolutionRepository or SharedLPSolutionRepository to</span></div>
|
|
<div class="line"><a id="l02930" name="l02930"></a><span class="lineno"> 2930</span> <span class="comment">// create RINS/RENS lns generators.</span></div>
|
|
<div class="line"><a id="l02931" name="l02931"></a><span class="lineno"> 2931</span> </div>
|
|
<div class="line"><a id="l02932" name="l02932"></a><span class="lineno"> 2932</span> <span class="comment">// RINS.</span></div>
|
|
<div class="line"><a id="l02933" name="l02933"></a><span class="lineno"> 2933</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02934" name="l02934"></a><span class="lineno"> 2934</span> absl::make_unique<RelaxationInducedNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02935" name="l02935"></a><span class="lineno"> 2935</span> helper, shared.response, shared.relaxation_solutions,</div>
|
|
<div class="line"><a id="l02936" name="l02936"></a><span class="lineno"> 2936</span> shared.lp_solutions, <span class="comment">/*incomplete_solutions=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a id="l02937" name="l02937"></a><span class="lineno"> 2937</span> absl::StrCat(<span class="stringliteral">"rins_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02938" name="l02938"></a><span class="lineno"> 2938</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02939" name="l02939"></a><span class="lineno"> 2939</span> </div>
|
|
<div class="line"><a id="l02940" name="l02940"></a><span class="lineno"> 2940</span> <span class="comment">// RENS.</span></div>
|
|
<div class="line"><a id="l02941" name="l02941"></a><span class="lineno"> 2941</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02942" name="l02942"></a><span class="lineno"> 2942</span> absl::make_unique<RelaxationInducedNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02943" name="l02943"></a><span class="lineno"> 2943</span> helper, <span class="comment">/*respons_manager=*/</span><span class="keyword">nullptr</span>, shared.relaxation_solutions,</div>
|
|
<div class="line"><a id="l02944" name="l02944"></a><span class="lineno"> 2944</span> shared.lp_solutions, shared.incomplete_solutions,</div>
|
|
<div class="line"><a id="l02945" name="l02945"></a><span class="lineno"> 2945</span> absl::StrCat(<span class="stringliteral">"rens_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02946" name="l02946"></a><span class="lineno"> 2946</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02947" name="l02947"></a><span class="lineno"> 2947</span> }</div>
|
|
<div class="line"><a id="l02948" name="l02948"></a><span class="lineno"> 2948</span> </div>
|
|
<div class="line"><a id="l02949" name="l02949"></a><span class="lineno"> 2949</span> <span class="keywordflow">if</span> (params.use_relaxation_lns()) {</div>
|
|
<div class="line"><a id="l02950" name="l02950"></a><span class="lineno"> 2950</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02951" name="l02951"></a><span class="lineno"> 2951</span> absl::make_unique<</div>
|
|
<div class="line"><a id="l02952" name="l02952"></a><span class="lineno"> 2952</span> ConsecutiveConstraintsRelaxationNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02953" name="l02953"></a><span class="lineno"> 2953</span> helper, absl::StrCat(<span class="stringliteral">"rnd_rel_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02954" name="l02954"></a><span class="lineno"> 2954</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02955" name="l02955"></a><span class="lineno"> 2955</span> </div>
|
|
<div class="line"><a id="l02956" name="l02956"></a><span class="lineno"> 2956</span> subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a id="l02957" name="l02957"></a><span class="lineno"> 2957</span> absl::make_unique<WeightedRandomRelaxationNeighborhoodGenerator>(</div>
|
|
<div class="line"><a id="l02958" name="l02958"></a><span class="lineno"> 2958</span> helper, absl::StrCat(<span class="stringliteral">"wgt_rel_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a id="l02959" name="l02959"></a><span class="lineno"> 2959</span> local_params, helper, &shared));</div>
|
|
<div class="line"><a id="l02960" name="l02960"></a><span class="lineno"> 2960</span> }</div>
|
|
<div class="line"><a id="l02961" name="l02961"></a><span class="lineno"> 2961</span> }</div>
|
|
<div class="line"><a id="l02962" name="l02962"></a><span class="lineno"> 2962</span> </div>
|
|
<div class="line"><a id="l02963" name="l02963"></a><span class="lineno"> 2963</span> <span class="comment">// Add a synchronization point for the gap integral that is executed last.</span></div>
|
|
<div class="line"><a id="l02964" name="l02964"></a><span class="lineno"> 2964</span> <span class="comment">// This way, after each batch, the proper deterministic time is updated and</span></div>
|
|
<div class="line"><a id="l02965" name="l02965"></a><span class="lineno"> 2965</span> <span class="comment">// then the function to integrate take the value of the new gap.</span></div>
|
|
<div class="line"><a id="l02966" name="l02966"></a><span class="lineno"> 2966</span> subsolvers.push_back(absl::make_unique<SynchronizationPoint>(</div>
|
|
<div class="line"><a id="l02967" name="l02967"></a><span class="lineno"> 2967</span> [&shared]() { shared.response->UpdateGapIntegral(); }));</div>
|
|
<div class="line"><a id="l02968" name="l02968"></a><span class="lineno"> 2968</span> </div>
|
|
<div class="line"><a id="l02969" name="l02969"></a><span class="lineno"> 2969</span> <span class="comment">// Log the name of all our SubSolvers.</span></div>
|
|
<div class="line"><a id="l02970" name="l02970"></a><span class="lineno"> 2970</span> <span class="keyword">auto</span>* logger = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><SolverLogger>();</div>
|
|
<div class="line"><a id="l02971" name="l02971"></a><span class="lineno"> 2971</span> <span class="keywordflow">if</span> (logger->LoggingIsEnabled()) {</div>
|
|
<div class="line"><a id="l02972" name="l02972"></a><span class="lineno"> 2972</span> std::vector<std::string> names;</div>
|
|
<div class="line"><a id="l02973" name="l02973"></a><span class="lineno"> 2973</span> <span class="keywordtype">int</span> full_subsolver_index = 0;</div>
|
|
<div class="line"><a id="l02974" name="l02974"></a><span class="lineno"> 2974</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < subsolvers.size(); ++i) {</div>
|
|
<div class="line"><a id="l02975" name="l02975"></a><span class="lineno"> 2975</span> <span class="keyword">const</span> <span class="keyword">auto</span>& subsolver = subsolvers[i];</div>
|
|
<div class="line"><a id="l02976" name="l02976"></a><span class="lineno"> 2976</span> <span class="keywordflow">if</span> (!subsolver->name().empty()) {</div>
|
|
<div class="line"><a id="l02977" name="l02977"></a><span class="lineno"> 2977</span> names.push_back(subsolver->name());</div>
|
|
<div class="line"><a id="l02978" name="l02978"></a><span class="lineno"> 2978</span> <span class="keywordflow">if</span> (i < num_full_subsolvers) ++full_subsolver_index;</div>
|
|
<div class="line"><a id="l02979" name="l02979"></a><span class="lineno"> 2979</span> }</div>
|
|
<div class="line"><a id="l02980" name="l02980"></a><span class="lineno"> 2980</span> }</div>
|
|
<div class="line"><a id="l02981" name="l02981"></a><span class="lineno"> 2981</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l02982" name="l02982"></a><span class="lineno"> 2982</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger,</div>
|
|
<div class="line"><a id="l02983" name="l02983"></a><span class="lineno"> 2983</span> absl::StrFormat(<span class="stringliteral">"Starting Search at %.2fs with %i workers."</span>,</div>
|
|
<div class="line"><a id="l02984" name="l02984"></a><span class="lineno"> 2984</span> shared.wall_timer->Get(), params.num_workers()));</div>
|
|
<div class="line"><a id="l02985" name="l02985"></a><span class="lineno"> 2985</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, full_subsolver_index, <span class="stringliteral">" full subsolvers: ["</span>,</div>
|
|
<div class="line"><a id="l02986" name="l02986"></a><span class="lineno"> 2986</span> absl::StrJoin(names.begin(),</div>
|
|
<div class="line"><a id="l02987" name="l02987"></a><span class="lineno"> 2987</span> names.begin() + full_subsolver_index, <span class="stringliteral">", "</span>),</div>
|
|
<div class="line"><a id="l02988" name="l02988"></a><span class="lineno"> 2988</span> <span class="stringliteral">"]"</span>);</div>
|
|
<div class="line"><a id="l02989" name="l02989"></a><span class="lineno"> 2989</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(</div>
|
|
<div class="line"><a id="l02990" name="l02990"></a><span class="lineno"> 2990</span> logger, <span class="stringliteral">"Interleaved subsolvers: ["</span>,</div>
|
|
<div class="line"><a id="l02991" name="l02991"></a><span class="lineno"> 2991</span> absl::StrJoin(names.begin() + full_subsolver_index, names.end(), <span class="stringliteral">", "</span>),</div>
|
|
<div class="line"><a id="l02992" name="l02992"></a><span class="lineno"> 2992</span> <span class="stringliteral">"]"</span>);</div>
|
|
<div class="line"><a id="l02993" name="l02993"></a><span class="lineno"> 2993</span> }</div>
|
|
<div class="line"><a id="l02994" name="l02994"></a><span class="lineno"> 2994</span> </div>
|
|
<div class="line"><a id="l02995" name="l02995"></a><span class="lineno"> 2995</span> <span class="comment">// Launch the main search loop.</span></div>
|
|
<div class="line"><a id="l02996" name="l02996"></a><span class="lineno"> 2996</span> <span class="keywordflow">if</span> (params.interleave_search()) {</div>
|
|
<div class="line"><a id="l02997" name="l02997"></a><span class="lineno"> 2997</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a0b26de551c3b5b1831568f623f66cb16">DeterministicLoop</a>(subsolvers, params.num_workers(),</div>
|
|
<div class="line"><a id="l02998" name="l02998"></a><span class="lineno"> 2998</span> params.interleave_batch_size());</div>
|
|
<div class="line"><a id="l02999" name="l02999"></a><span class="lineno"> 2999</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03000" name="l03000"></a><span class="lineno"> 3000</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5c75377277a8fab8caa3d53c17ecf7fd">NonDeterministicLoop</a>(subsolvers, params.num_workers());</div>
|
|
<div class="line"><a id="l03001" name="l03001"></a><span class="lineno"> 3001</span> }</div>
|
|
<div class="line"><a id="l03002" name="l03002"></a><span class="lineno"> 3002</span> </div>
|
|
<div class="line"><a id="l03003" name="l03003"></a><span class="lineno"> 3003</span> <span class="comment">// Log statistics.</span></div>
|
|
<div class="line"><a id="l03004" name="l03004"></a><span class="lineno"> 3004</span> <span class="keywordflow">if</span> (logger->LoggingIsEnabled()) {</div>
|
|
<div class="line"><a id="l03005" name="l03005"></a><span class="lineno"> 3005</span> <span class="keywordflow">if</span> (params.log_subsolver_statistics()) {</div>
|
|
<div class="line"><a id="l03006" name="l03006"></a><span class="lineno"> 3006</span> <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l03007" name="l03007"></a><span class="lineno"> 3007</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& subsolver : subsolvers) {</div>
|
|
<div class="line"><a id="l03008" name="l03008"></a><span class="lineno"> 3008</span> <span class="keyword">const</span> std::string stats = subsolver->StatisticsString();</div>
|
|
<div class="line"><a id="l03009" name="l03009"></a><span class="lineno"> 3009</span> <span class="keywordflow">if</span> (stats.empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l03010" name="l03010"></a><span class="lineno"> 3010</span> <span class="keywordflow">if</span> (first) {</div>
|
|
<div class="line"><a id="l03011" name="l03011"></a><span class="lineno"> 3011</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03012" name="l03012"></a><span class="lineno"> 3012</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Sub-solver search statistics:"</span>);</div>
|
|
<div class="line"><a id="l03013" name="l03013"></a><span class="lineno"> 3013</span> first = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l03014" name="l03014"></a><span class="lineno"> 3014</span> }</div>
|
|
<div class="line"><a id="l03015" name="l03015"></a><span class="lineno"> 3015</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger,</div>
|
|
<div class="line"><a id="l03016" name="l03016"></a><span class="lineno"> 3016</span> absl::StrCat(<span class="stringliteral">" '"</span>, subsolver->name(), <span class="stringliteral">"':\n"</span>, stats));</div>
|
|
<div class="line"><a id="l03017" name="l03017"></a><span class="lineno"> 3017</span> }</div>
|
|
<div class="line"><a id="l03018" name="l03018"></a><span class="lineno"> 3018</span> }</div>
|
|
<div class="line"><a id="l03019" name="l03019"></a><span class="lineno"> 3019</span> </div>
|
|
<div class="line"><a id="l03020" name="l03020"></a><span class="lineno"> 3020</span> shared.response->DisplayImprovementStatistics();</div>
|
|
<div class="line"><a id="l03021" name="l03021"></a><span class="lineno"> 3021</span> </div>
|
|
<div class="line"><a id="l03022" name="l03022"></a><span class="lineno"> 3022</span> <span class="keywordflow">if</span> (shared.bounds) {</div>
|
|
<div class="line"><a id="l03023" name="l03023"></a><span class="lineno"> 3023</span> shared.bounds->LogStatistics(logger);</div>
|
|
<div class="line"><a id="l03024" name="l03024"></a><span class="lineno"> 3024</span> }</div>
|
|
<div class="line"><a id="l03025" name="l03025"></a><span class="lineno"> 3025</span> </div>
|
|
<div class="line"><a id="l03026" name="l03026"></a><span class="lineno"> 3026</span> <span class="keywordflow">if</span> (shared.clauses) {</div>
|
|
<div class="line"><a id="l03027" name="l03027"></a><span class="lineno"> 3027</span> shared.clauses->LogStatistics(logger);</div>
|
|
<div class="line"><a id="l03028" name="l03028"></a><span class="lineno"> 3028</span> }</div>
|
|
<div class="line"><a id="l03029" name="l03029"></a><span class="lineno"> 3029</span> }</div>
|
|
<div class="line"><a id="l03030" name="l03030"></a><span class="lineno"> 3030</span>}</div>
|
|
<div class="line"><a id="l03031" name="l03031"></a><span class="lineno"> 3031</span> </div>
|
|
<div class="line"><a id="l03032" name="l03032"></a><span class="lineno"> 3032</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03033" name="l03033"></a><span class="lineno"> 3033</span> </div>
|
|
<div class="line"><a id="l03034" name="l03034"></a><span class="lineno"> 3034</span><span class="comment">// If the option use_sat_inprocessing is true, then before postsolving a</span></div>
|
|
<div class="line"><a id="l03035" name="l03035"></a><span class="lineno"> 3035</span><span class="comment">// solution, we need to make sure we add any new clause required for postsolving</span></div>
|
|
<div class="line"><a id="l03036" name="l03036"></a><span class="lineno"> 3036</span><span class="comment">// to the mapping_model.</span></div>
|
|
<div class="line"><a id="l03037" name="l03037"></a><span class="lineno"> 3037</span><span class="keywordtype">void</span> AddPostsolveClauses(<span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
|
|
<div class="line"><a id="l03038" name="l03038"></a><span class="lineno"> 3038</span> Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, CpModelProto* mapping_proto) {</div>
|
|
<div class="line"><a id="l03039" name="l03039"></a><span class="lineno"> 3039</span> <span class="keyword">auto</span>* mapping = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a id="l03040" name="l03040"></a><span class="lineno"> 3040</span> <span class="keyword">auto</span>* postsolve = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<PostsolveClauses>();</div>
|
|
<div class="line"><a id="l03041" name="l03041"></a><span class="lineno"> 3041</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& clause : postsolve->clauses) {</div>
|
|
<div class="line"><a id="l03042" name="l03042"></a><span class="lineno"> 3042</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = mapping_proto->add_constraints()->mutable_bool_or();</div>
|
|
<div class="line"><a id="l03043" name="l03043"></a><span class="lineno"> 3043</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : clause) {</div>
|
|
<div class="line"><a id="l03044" name="l03044"></a><span class="lineno"> 3044</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->GetProtoVariableFromBooleanVariable(l.Variable());</div>
|
|
<div class="line"><a id="l03045" name="l03045"></a><span class="lineno"> 3045</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, -1);</div>
|
|
<div class="line"><a id="l03046" name="l03046"></a><span class="lineno"> 3046</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = postsolve_mapping[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a id="l03047" name="l03047"></a><span class="lineno"> 3047</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_literals(l.IsPositive() ? <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l03048" name="l03048"></a><span class="lineno"> 3048</span> }</div>
|
|
<div class="line"><a id="l03049" name="l03049"></a><span class="lineno"> 3049</span> }</div>
|
|
<div class="line"><a id="l03050" name="l03050"></a><span class="lineno"> 3050</span> postsolve->clauses.clear();</div>
|
|
<div class="line"><a id="l03051" name="l03051"></a><span class="lineno"> 3051</span>}</div>
|
|
<div class="line"><a id="l03052" name="l03052"></a><span class="lineno"> 3052</span> </div>
|
|
<div class="line"><a id="l03053" name="l03053"></a><span class="lineno"> 3053</span>} <span class="comment">// namespace</span></div>
|
|
<div class="line"><a id="l03054" name="l03054"></a><span class="lineno"> 3054</span> </div>
|
|
<div class="line"><a id="l03055" name="l03055"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1"> 3055</a></span>CpSolverResponse <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a id="l03056" name="l03056"></a><span class="lineno"> 3056</span> <span class="keyword">auto</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="class_wall_timer.html">WallTimer</a>>();</div>
|
|
<div class="line"><a id="l03057" name="l03057"></a><span class="lineno"> 3057</span> <span class="keyword">auto</span>* user_timer = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="class_wall_timer.html">UserTimer</a>>();</div>
|
|
<div class="line"><a id="l03058" name="l03058"></a><span class="lineno"> 3058</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a id="l03059" name="l03059"></a><span class="lineno"> 3059</span> user_timer-><a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a id="l03060" name="l03060"></a><span class="lineno"> 3060</span> </div>
|
|
<div class="line"><a id="l03061" name="l03061"></a><span class="lineno"> 3061</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03062" name="l03062"></a><span class="lineno"> 3062</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03063" name="l03063"></a><span class="lineno"> 3063</span> </div>
|
|
<div class="line"><a id="l03064" name="l03064"></a><span class="lineno"> 3064</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03065" name="l03065"></a><span class="lineno"> 3065</span> <span class="comment">// Dump initial model?</span></div>
|
|
<div class="line"><a id="l03066" name="l03066"></a><span class="lineno"> 3066</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_models)) {</div>
|
|
<div class="line"><a id="l03067" name="l03067"></a><span class="lineno"> 3067</span> <span class="keyword">const</span> std::string <a class="code hl_namespace" href="namespacefile.html">file</a> =</div>
|
|
<div class="line"><a id="l03068" name="l03068"></a><span class="lineno"> 3068</span> absl::StrCat(absl::GetFlag(FLAGS_cp_model_dump_prefix), <span class="stringliteral">"model.pb.txt"</span>);</div>
|
|
<div class="line"><a id="l03069" name="l03069"></a><span class="lineno"> 3069</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping cp model proto to '"</span> << <a class="code hl_namespace" href="namespacefile.html">file</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l03070" name="l03070"></a><span class="lineno"> 3070</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code hl_namespace" href="namespacefile.html">file</a>, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l03071" name="l03071"></a><span class="lineno"> 3071</span> }</div>
|
|
<div class="line"><a id="l03072" name="l03072"></a><span class="lineno"> 3072</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03073" name="l03073"></a><span class="lineno"> 3073</span> </div>
|
|
<div class="line"><a id="l03074" name="l03074"></a><span class="lineno"> 3074</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03075" name="l03075"></a><span class="lineno"> 3075</span> <span class="comment">// Override parameters?</span></div>
|
|
<div class="line"><a id="l03076" name="l03076"></a><span class="lineno"> 3076</span> <span class="keywordflow">if</span> (!absl::GetFlag(FLAGS_cp_model_params).empty()) {</div>
|
|
<div class="line"><a id="l03077" name="l03077"></a><span class="lineno"> 3077</span> SatParameters params = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l03078" name="l03078"></a><span class="lineno"> 3078</span> SatParameters flag_params;</div>
|
|
<div class="line"><a id="l03079" name="l03079"></a><span class="lineno"> 3079</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(google::protobuf::TextFormat::ParseFromString(</div>
|
|
<div class="line"><a id="l03080" name="l03080"></a><span class="lineno"> 3080</span> absl::GetFlag(FLAGS_cp_model_params), &flag_params));</div>
|
|
<div class="line"><a id="l03081" name="l03081"></a><span class="lineno"> 3081</span> params.MergeFrom(flag_params);</div>
|
|
<div class="line"><a id="l03082" name="l03082"></a><span class="lineno"> 3082</span> *(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()) = params;</div>
|
|
<div class="line"><a id="l03083" name="l03083"></a><span class="lineno"> 3083</span> }</div>
|
|
<div class="line"><a id="l03084" name="l03084"></a><span class="lineno"> 3084</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03085" name="l03085"></a><span class="lineno"> 3085</span> </div>
|
|
<div class="line"><a id="l03086" name="l03086"></a><span class="lineno"> 3086</span> <span class="comment">// Enable the logging component.</span></div>
|
|
<div class="line"><a id="l03087" name="l03087"></a><span class="lineno"> 3087</span> <span class="keyword">const</span> SatParameters& params = *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a id="l03088" name="l03088"></a><span class="lineno"> 3088</span> <a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>* logger = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>>();</div>
|
|
<div class="line"><a id="l03089" name="l03089"></a><span class="lineno"> 3089</span> logger-><a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#ad4238e7273d93a1d0a2272d46660c254">EnableLogging</a>(params.log_search_progress() || <a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(1));</div>
|
|
<div class="line"><a id="l03090" name="l03090"></a><span class="lineno"> 3090</span> logger->SetLogToStdOut(params.log_to_stdout());</div>
|
|
<div class="line"><a id="l03091" name="l03091"></a><span class="lineno"> 3091</span> std::string log_string;</div>
|
|
<div class="line"><a id="l03092" name="l03092"></a><span class="lineno"> 3092</span> <span class="keywordflow">if</span> (params.log_to_response()) {</div>
|
|
<div class="line"><a id="l03093" name="l03093"></a><span class="lineno"> 3093</span> logger->AddInfoLoggingCallback([&log_string](<span class="keyword">const</span> std::string& <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>) {</div>
|
|
<div class="line"><a id="l03094" name="l03094"></a><span class="lineno"> 3094</span> absl::StrAppend(&log_string, <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a id="l03095" name="l03095"></a><span class="lineno"> 3095</span> });</div>
|
|
<div class="line"><a id="l03096" name="l03096"></a><span class="lineno"> 3096</span> }</div>
|
|
<div class="line"><a id="l03097" name="l03097"></a><span class="lineno"> 3097</span> </div>
|
|
<div class="line"><a id="l03098" name="l03098"></a><span class="lineno"> 3098</span> <span class="keyword">auto</span>* shared_response_manager = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>>();</div>
|
|
<div class="line"><a id="l03099" name="l03099"></a><span class="lineno"> 3099</span> shared_response_manager-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d">set_dump_prefix</a>(</div>
|
|
<div class="line"><a id="l03100" name="l03100"></a><span class="lineno"> 3100</span> absl::GetFlag(FLAGS_cp_model_dump_prefix));</div>
|
|
<div class="line"><a id="l03101" name="l03101"></a><span class="lineno"> 3101</span> </div>
|
|
<div class="line"><a id="l03102" name="l03102"></a><span class="lineno"> 3102</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03103" name="l03103"></a><span class="lineno"> 3103</span> <span class="comment">// Note that the postprocessors are executed in reverse order, so this</span></div>
|
|
<div class="line"><a id="l03104" name="l03104"></a><span class="lineno"> 3104</span> <span class="comment">// will always dump the response just before it is returned since it is</span></div>
|
|
<div class="line"><a id="l03105" name="l03105"></a><span class="lineno"> 3105</span> <span class="comment">// the first one we register.</span></div>
|
|
<div class="line"><a id="l03106" name="l03106"></a><span class="lineno"> 3106</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_response)) {</div>
|
|
<div class="line"><a id="l03107" name="l03107"></a><span class="lineno"> 3107</span> shared_response_manager->AddFinalResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03108" name="l03108"></a><span class="lineno"> 3108</span> [](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03109" name="l03109"></a><span class="lineno"> 3109</span> <span class="keyword">const</span> std::string <a class="code hl_namespace" href="namespacefile.html">file</a> = absl::StrCat(</div>
|
|
<div class="line"><a id="l03110" name="l03110"></a><span class="lineno"> 3110</span> absl::GetFlag(FLAGS_cp_model_dump_prefix), <span class="stringliteral">"response.pb.txt"</span>);</div>
|
|
<div class="line"><a id="l03111" name="l03111"></a><span class="lineno"> 3111</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping response proto to '"</span> << <a class="code hl_namespace" href="namespacefile.html">file</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l03112" name="l03112"></a><span class="lineno"> 3112</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code hl_namespace" href="namespacefile.html">file</a>, *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l03113" name="l03113"></a><span class="lineno"> 3113</span> });</div>
|
|
<div class="line"><a id="l03114" name="l03114"></a><span class="lineno"> 3114</span> }</div>
|
|
<div class="line"><a id="l03115" name="l03115"></a><span class="lineno"> 3115</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03116" name="l03116"></a><span class="lineno"> 3116</span> </div>
|
|
<div class="line"><a id="l03117" name="l03117"></a><span class="lineno"> 3117</span> <span class="comment">// Always display the final response stats if requested.</span></div>
|
|
<div class="line"><a id="l03118" name="l03118"></a><span class="lineno"> 3118</span> <span class="comment">// This also copy the logs to the response if requested.</span></div>
|
|
<div class="line"><a id="l03119" name="l03119"></a><span class="lineno"> 3119</span> shared_response_manager->AddFinalResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03120" name="l03120"></a><span class="lineno"> 3120</span> [logger, &<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &log_string](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03121" name="l03121"></a><span class="lineno"> 3121</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03122" name="l03122"></a><span class="lineno"> 3122</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(</div>
|
|
<div class="line"><a id="l03123" name="l03123"></a><span class="lineno"> 3123</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
|
|
<div class="line"><a id="l03124" name="l03124"></a><span class="lineno"> 3124</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective() ||</div>
|
|
<div class="line"><a id="l03125" name="l03125"></a><span class="lineno"> 3125</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective()));</div>
|
|
<div class="line"><a id="l03126" name="l03126"></a><span class="lineno"> 3126</span> <span class="keywordflow">if</span> (!log_string.empty()) {</div>
|
|
<div class="line"><a id="l03127" name="l03127"></a><span class="lineno"> 3127</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_solve_log(log_string);</div>
|
|
<div class="line"><a id="l03128" name="l03128"></a><span class="lineno"> 3128</span> }</div>
|
|
<div class="line"><a id="l03129" name="l03129"></a><span class="lineno"> 3129</span> });</div>
|
|
<div class="line"><a id="l03130" name="l03130"></a><span class="lineno"> 3130</span> </div>
|
|
<div class="line"><a id="l03131" name="l03131"></a><span class="lineno"> 3131</span> <span class="comment">// Always add the timing information to a response. Note that it is important</span></div>
|
|
<div class="line"><a id="l03132" name="l03132"></a><span class="lineno"> 3132</span> <span class="comment">// to add this after the log/dump postprocessor since we execute them in</span></div>
|
|
<div class="line"><a id="l03133" name="l03133"></a><span class="lineno"> 3133</span> <span class="comment">// reverse order.</span></div>
|
|
<div class="line"><a id="l03134" name="l03134"></a><span class="lineno"> 3134</span> <span class="keyword">auto</span>* shared_time_limit = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model_shared_time_limit.html">ModelSharedTimeLimit</a>>();</div>
|
|
<div class="line"><a id="l03135" name="l03135"></a><span class="lineno"> 3135</span> shared_response_manager->AddResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03136" name="l03136"></a><span class="lineno"> 3136</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, &user_timer,</div>
|
|
<div class="line"><a id="l03137" name="l03137"></a><span class="lineno"> 3137</span> &shared_time_limit](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03138" name="l03138"></a><span class="lineno"> 3138</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_wall_time(<a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a id="l03139" name="l03139"></a><span class="lineno"> 3139</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_user_time(user_timer-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a id="l03140" name="l03140"></a><span class="lineno"> 3140</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_deterministic_time(</div>
|
|
<div class="line"><a id="l03141" name="l03141"></a><span class="lineno"> 3141</span> shared_time_limit->GetElapsedDeterministicTime());</div>
|
|
<div class="line"><a id="l03142" name="l03142"></a><span class="lineno"> 3142</span> });</div>
|
|
<div class="line"><a id="l03143" name="l03143"></a><span class="lineno"> 3143</span> </div>
|
|
<div class="line"><a id="l03144" name="l03144"></a><span class="lineno"> 3144</span> <span class="comment">// Validate parameters.</span></div>
|
|
<div class="line"><a id="l03145" name="l03145"></a><span class="lineno"> 3145</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l03146" name="l03146"></a><span class="lineno"> 3146</span> <span class="comment">// Note that the few parameters we use before that are Booleans and thus</span></div>
|
|
<div class="line"><a id="l03147" name="l03147"></a><span class="lineno"> 3147</span> <span class="comment">// "safe". We need to delay the validation to return a proper response.</span></div>
|
|
<div class="line"><a id="l03148" name="l03148"></a><span class="lineno"> 3148</span> {</div>
|
|
<div class="line"><a id="l03149" name="l03149"></a><span class="lineno"> 3149</span> <span class="keyword">const</span> std::string error = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a22b0505c9cc93287336761fd9144d108">ValidateParameters</a>(params);</div>
|
|
<div class="line"><a id="l03150" name="l03150"></a><span class="lineno"> 3150</span> <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a id="l03151" name="l03151"></a><span class="lineno"> 3151</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Invalid parameters: "</span>, error);</div>
|
|
<div class="line"><a id="l03152" name="l03152"></a><span class="lineno"> 3152</span> </div>
|
|
<div class="line"><a id="l03153" name="l03153"></a><span class="lineno"> 3153</span> <span class="comment">// TODO(user): We currently reuse the MODEL_INVALID status even though it</span></div>
|
|
<div class="line"><a id="l03154" name="l03154"></a><span class="lineno"> 3154</span> <span class="comment">// is not the best name for this. Maybe we can add a PARAMETERS_INVALID</span></div>
|
|
<div class="line"><a id="l03155" name="l03155"></a><span class="lineno"> 3155</span> <span class="comment">// when it become needed. Or rename to INVALID_INPUT ?</span></div>
|
|
<div class="line"><a id="l03156" name="l03156"></a><span class="lineno"> 3156</span> shared_response_manager->MutableResponse()->set_status(</div>
|
|
<div class="line"><a id="l03157" name="l03157"></a><span class="lineno"> 3157</span> CpSolverStatus::MODEL_INVALID);</div>
|
|
<div class="line"><a id="l03158" name="l03158"></a><span class="lineno"> 3158</span> shared_response_manager->MutableResponse()->set_solution_info(error);</div>
|
|
<div class="line"><a id="l03159" name="l03159"></a><span class="lineno"> 3159</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03160" name="l03160"></a><span class="lineno"> 3160</span> }</div>
|
|
<div class="line"><a id="l03161" name="l03161"></a><span class="lineno"> 3161</span> }</div>
|
|
<div class="line"><a id="l03162" name="l03162"></a><span class="lineno"> 3162</span> </div>
|
|
<div class="line"><a id="l03163" name="l03163"></a><span class="lineno"> 3163</span> <span class="comment">// Initialize the time limit from the parameters.</span></div>
|
|
<div class="line"><a id="l03164" name="l03164"></a><span class="lineno"> 3164</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>>()->ResetLimitFromParameters(params);</div>
|
|
<div class="line"><a id="l03165" name="l03165"></a><span class="lineno"> 3165</span> </div>
|
|
<div class="line"><a id="l03166" name="l03166"></a><span class="lineno"> 3166</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03167" name="l03167"></a><span class="lineno"> 3167</span> <span class="comment">// Register SIGINT handler if requested by the parameters.</span></div>
|
|
<div class="line"><a id="l03168" name="l03168"></a><span class="lineno"> 3168</span> <span class="keywordflow">if</span> (params.catch_sigint_signal()) {</div>
|
|
<div class="line"><a id="l03169" name="l03169"></a><span class="lineno"> 3169</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1_sigint_handler.html">SigintHandler</a>>()->Register(</div>
|
|
<div class="line"><a id="l03170" name="l03170"></a><span class="lineno"> 3170</span> [&shared_time_limit]() { shared_time_limit->Stop(); });</div>
|
|
<div class="line"><a id="l03171" name="l03171"></a><span class="lineno"> 3171</span> }</div>
|
|
<div class="line"><a id="l03172" name="l03172"></a><span class="lineno"> 3172</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03173" name="l03173"></a><span class="lineno"> 3173</span> </div>
|
|
<div class="line"><a id="l03174" name="l03174"></a><span class="lineno"> 3174</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03175" name="l03175"></a><span class="lineno"> 3175</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Starting CP-SAT solver v"</span>, <a class="code hl_function" href="namespaceoperations__research.html#ac0a730ed6598c5f34c53101c32de01e9">OrToolsMajorVersion</a>(), <span class="stringliteral">"."</span>,</div>
|
|
<div class="line"><a id="l03176" name="l03176"></a><span class="lineno"> 3176</span> <a class="code hl_function" href="namespaceoperations__research.html#a4df6ae76d97136bed083af4020ec2d8a">OrToolsMinorVersion</a>(), <span class="stringliteral">"."</span>, <a class="code hl_function" href="namespaceoperations__research.html#ac4fd49d9d7fb97230e30cc270822aa0f">OrToolsPatchVersion</a>());</div>
|
|
<div class="line"><a id="l03177" name="l03177"></a><span class="lineno"> 3177</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Parameters: "</span>, params.ShortDebugString());</div>
|
|
<div class="line"><a id="l03178" name="l03178"></a><span class="lineno"> 3178</span> </div>
|
|
<div class="line"><a id="l03179" name="l03179"></a><span class="lineno"> 3179</span> <span class="comment">// Update params.num_workers() if the old field was used.</span></div>
|
|
<div class="line"><a id="l03180" name="l03180"></a><span class="lineno"> 3180</span> <span class="keywordflow">if</span> (params.num_workers() == 0) {</div>
|
|
<div class="line"><a id="l03181" name="l03181"></a><span class="lineno"> 3181</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->set_num_workers(</div>
|
|
<div class="line"><a id="l03182" name="l03182"></a><span class="lineno"> 3182</span> params.num_search_workers());</div>
|
|
<div class="line"><a id="l03183" name="l03183"></a><span class="lineno"> 3183</span> }</div>
|
|
<div class="line"><a id="l03184" name="l03184"></a><span class="lineno"> 3184</span> </div>
|
|
<div class="line"><a id="l03185" name="l03185"></a><span class="lineno"> 3185</span> <span class="comment">// Initialize the number of workers if set to 0.</span></div>
|
|
<div class="line"><a id="l03186" name="l03186"></a><span class="lineno"> 3186</span> <span class="keywordflow">if</span> (params.num_workers() == 0) {</div>
|
|
<div class="line"><a id="l03187" name="l03187"></a><span class="lineno"> 3187</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03188" name="l03188"></a><span class="lineno"> 3188</span> <span class="comment">// Sometimes, hardware_concurrency will return 0. So always default to 1.</span></div>
|
|
<div class="line"><a id="l03189" name="l03189"></a><span class="lineno"> 3189</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_cores =</div>
|
|
<div class="line"><a id="l03190" name="l03190"></a><span class="lineno"> 3190</span> params.enumerate_all_solutions() || !<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions().empty()</div>
|
|
<div class="line"><a id="l03191" name="l03191"></a><span class="lineno"> 3191</span> ? 1</div>
|
|
<div class="line"><a id="l03192" name="l03192"></a><span class="lineno"> 3192</span> : std::max<int>(std::thread::hardware_concurrency(), 1);</div>
|
|
<div class="line"><a id="l03193" name="l03193"></a><span class="lineno"> 3193</span><span class="preprocessor">#else</span></div>
|
|
<div class="line"><a id="l03194" name="l03194"></a><span class="lineno"> 3194</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_cores = 1;</div>
|
|
<div class="line"><a id="l03195" name="l03195"></a><span class="lineno"> 3195</span><span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a id="l03196" name="l03196"></a><span class="lineno"> 3196</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Setting number of workers to "</span>, num_cores);</div>
|
|
<div class="line"><a id="l03197" name="l03197"></a><span class="lineno"> 3197</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->set_num_workers(num_cores);</div>
|
|
<div class="line"><a id="l03198" name="l03198"></a><span class="lineno"> 3198</span> }</div>
|
|
<div class="line"><a id="l03199" name="l03199"></a><span class="lineno"> 3199</span> </div>
|
|
<div class="line"><a id="l03200" name="l03200"></a><span class="lineno"> 3200</span> <span class="keywordflow">if</span> (logger->LoggingIsEnabled() && params.use_absl_random()) {</div>
|
|
<div class="line"><a id="l03201" name="l03201"></a><span class="lineno"> 3201</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model_random_generator.html">ModelRandomGenerator</a>>()->LogSalt();</div>
|
|
<div class="line"><a id="l03202" name="l03202"></a><span class="lineno"> 3202</span> }</div>
|
|
<div class="line"><a id="l03203" name="l03203"></a><span class="lineno"> 3203</span> </div>
|
|
<div class="line"><a id="l03204" name="l03204"></a><span class="lineno"> 3204</span> <span class="comment">// Validate model_proto.</span></div>
|
|
<div class="line"><a id="l03205" name="l03205"></a><span class="lineno"> 3205</span> <span class="comment">// TODO(user): provide an option to skip this step for speed?</span></div>
|
|
<div class="line"><a id="l03206" name="l03206"></a><span class="lineno"> 3206</span> {</div>
|
|
<div class="line"><a id="l03207" name="l03207"></a><span class="lineno"> 3207</span> <span class="keyword">const</span> std::string error = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a2d21677eccfe4c93af71c0892235237e">ValidateInputCpModel</a>(params, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a id="l03208" name="l03208"></a><span class="lineno"> 3208</span> <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a id="l03209" name="l03209"></a><span class="lineno"> 3209</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Invalid model: "</span>, error);</div>
|
|
<div class="line"><a id="l03210" name="l03210"></a><span class="lineno"> 3210</span> shared_response_manager->MutableResponse()->set_status(</div>
|
|
<div class="line"><a id="l03211" name="l03211"></a><span class="lineno"> 3211</span> CpSolverStatus::MODEL_INVALID);</div>
|
|
<div class="line"><a id="l03212" name="l03212"></a><span class="lineno"> 3212</span> shared_response_manager->MutableResponse()->set_solution_info(error);</div>
|
|
<div class="line"><a id="l03213" name="l03213"></a><span class="lineno"> 3213</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03214" name="l03214"></a><span class="lineno"> 3214</span> }</div>
|
|
<div class="line"><a id="l03215" name="l03215"></a><span class="lineno"> 3215</span> }</div>
|
|
<div class="line"><a id="l03216" name="l03216"></a><span class="lineno"> 3216</span> </div>
|
|
<div class="line"><a id="l03217" name="l03217"></a><span class="lineno"> 3217</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03218" name="l03218"></a><span class="lineno"> 3218</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Initial "</span>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>));</div>
|
|
<div class="line"><a id="l03219" name="l03219"></a><span class="lineno"> 3219</span> </div>
|
|
<div class="line"><a id="l03220" name="l03220"></a><span class="lineno"> 3220</span> <span class="comment">// Special case for pure-sat problem.</span></div>
|
|
<div class="line"><a id="l03221" name="l03221"></a><span class="lineno"> 3221</span> <span class="comment">// TODO(user): improve the normal presolver to do the same thing.</span></div>
|
|
<div class="line"><a id="l03222" name="l03222"></a><span class="lineno"> 3222</span> <span class="comment">// TODO(user): Support solution hint, but then the first TODO will make it</span></div>
|
|
<div class="line"><a id="l03223" name="l03223"></a><span class="lineno"> 3223</span> <span class="comment">// automatic.</span></div>
|
|
<div class="line"><a id="l03224" name="l03224"></a><span class="lineno"> 3224</span> <span class="keywordflow">if</span> (!params.use_sat_inprocessing() && !<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective() &&</div>
|
|
<div class="line"><a id="l03225" name="l03225"></a><span class="lineno"> 3225</span> !<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective() &&</div>
|
|
<div class="line"><a id="l03226" name="l03226"></a><span class="lineno"> 3226</span> !<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint() && !params.enumerate_all_solutions() &&</div>
|
|
<div class="line"><a id="l03227" name="l03227"></a><span class="lineno"> 3227</span> !params.use_lns_only() && params.num_workers() <= 1 &&</div>
|
|
<div class="line"><a id="l03228" name="l03228"></a><span class="lineno"> 3228</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions().empty()) {</div>
|
|
<div class="line"><a id="l03229" name="l03229"></a><span class="lineno"> 3229</span> <span class="keywordtype">bool</span> is_pure_sat = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l03230" name="l03230"></a><span class="lineno"> 3230</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableProto& <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables()) {</div>
|
|
<div class="line"><a id="l03231" name="l03231"></a><span class="lineno"> 3231</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain_size() != 2 || <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0) < 0 || <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(1) > 1) {</div>
|
|
<div class="line"><a id="l03232" name="l03232"></a><span class="lineno"> 3232</span> is_pure_sat = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l03233" name="l03233"></a><span class="lineno"> 3233</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l03234" name="l03234"></a><span class="lineno"> 3234</span> }</div>
|
|
<div class="line"><a id="l03235" name="l03235"></a><span class="lineno"> 3235</span> }</div>
|
|
<div class="line"><a id="l03236" name="l03236"></a><span class="lineno"> 3236</span> <span class="keywordflow">if</span> (is_pure_sat) {</div>
|
|
<div class="line"><a id="l03237" name="l03237"></a><span class="lineno"> 3237</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a id="l03238" name="l03238"></a><span class="lineno"> 3238</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() != ConstraintProto::ConstraintCase::kBoolOr &&</div>
|
|
<div class="line"><a id="l03239" name="l03239"></a><span class="lineno"> 3239</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() != ConstraintProto::ConstraintCase::kBoolAnd) {</div>
|
|
<div class="line"><a id="l03240" name="l03240"></a><span class="lineno"> 3240</span> is_pure_sat = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l03241" name="l03241"></a><span class="lineno"> 3241</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l03242" name="l03242"></a><span class="lineno"> 3242</span> }</div>
|
|
<div class="line"><a id="l03243" name="l03243"></a><span class="lineno"> 3243</span> }</div>
|
|
<div class="line"><a id="l03244" name="l03244"></a><span class="lineno"> 3244</span> }</div>
|
|
<div class="line"><a id="l03245" name="l03245"></a><span class="lineno"> 3245</span> <span class="keywordflow">if</span> (is_pure_sat) {</div>
|
|
<div class="line"><a id="l03246" name="l03246"></a><span class="lineno"> 3246</span> <span class="comment">// TODO(user): All this duplication will go away when we are fast enough</span></div>
|
|
<div class="line"><a id="l03247" name="l03247"></a><span class="lineno"> 3247</span> <span class="comment">// on pure-sat model with the CpModel presolve...</span></div>
|
|
<div class="line"><a id="l03248" name="l03248"></a><span class="lineno"> 3248</span> *shared_response_manager->MutableResponse() =</div>
|
|
<div class="line"><a id="l03249" name="l03249"></a><span class="lineno"> 3249</span> SolvePureSatModel(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, logger);</div>
|
|
<div class="line"><a id="l03250" name="l03250"></a><span class="lineno"> 3250</span> <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a id="l03251" name="l03251"></a><span class="lineno"> 3251</span> *shared_response_manager->MutableResponse()</div>
|
|
<div class="line"><a id="l03252" name="l03252"></a><span class="lineno"> 3252</span> ->mutable_tightened_variables() = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables();</div>
|
|
<div class="line"><a id="l03253" name="l03253"></a><span class="lineno"> 3253</span> }</div>
|
|
<div class="line"><a id="l03254" name="l03254"></a><span class="lineno"> 3254</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03255" name="l03255"></a><span class="lineno"> 3255</span> }</div>
|
|
<div class="line"><a id="l03256" name="l03256"></a><span class="lineno"> 3256</span> }</div>
|
|
<div class="line"><a id="l03257" name="l03257"></a><span class="lineno"> 3257</span> </div>
|
|
<div class="line"><a id="l03258" name="l03258"></a><span class="lineno"> 3258</span> <span class="comment">// Presolve and expansions.</span></div>
|
|
<div class="line"><a id="l03259" name="l03259"></a><span class="lineno"> 3259</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03260" name="l03260"></a><span class="lineno"> 3260</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger,</div>
|
|
<div class="line"><a id="l03261" name="l03261"></a><span class="lineno"> 3261</span> absl::StrFormat(<span class="stringliteral">"Starting presolve at %.2fs"</span>, <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>()));</div>
|
|
<div class="line"><a id="l03262" name="l03262"></a><span class="lineno"> 3262</span> CpModelProto new_cp_model_proto;</div>
|
|
<div class="line"><a id="l03263" name="l03263"></a><span class="lineno"> 3263</span> CpModelProto mapping_proto;</div>
|
|
<div class="line"><a id="l03264" name="l03264"></a><span class="lineno"> 3264</span> <span class="keyword">auto</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a> = absl::make_unique<PresolveContext>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &new_cp_model_proto,</div>
|
|
<div class="line"><a id="l03265" name="l03265"></a><span class="lineno"> 3265</span> &mapping_proto);</div>
|
|
<div class="line"><a id="l03266" name="l03266"></a><span class="lineno"> 3266</span> </div>
|
|
<div class="line"><a id="l03267" name="l03267"></a><span class="lineno"> 3267</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acc85f5ac2f10fe267e2f0b6f1ae7b93f">ImportModelWithBasicPresolveIntoContext</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get())) {</div>
|
|
<div class="line"><a id="l03268" name="l03268"></a><span class="lineno"> 3268</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Model found infeasible during copy"</span>;</div>
|
|
<div class="line"><a id="l03269" name="l03269"></a><span class="lineno"> 3269</span> <span class="comment">// TODO(user): At this point, the model is trivial, but we could exit</span></div>
|
|
<div class="line"><a id="l03270" name="l03270"></a><span class="lineno"> 3270</span> <span class="comment">// early.</span></div>
|
|
<div class="line"><a id="l03271" name="l03271"></a><span class="lineno"> 3271</span> }</div>
|
|
<div class="line"><a id="l03272" name="l03272"></a><span class="lineno"> 3272</span> </div>
|
|
<div class="line"><a id="l03273" name="l03273"></a><span class="lineno"> 3273</span> <span class="comment">// Checks for hints early in case they are forced to be hard constraints.</span></div>
|
|
<div class="line"><a id="l03274" name="l03274"></a><span class="lineno"> 3274</span> <span class="keywordflow">if</span> (params.fix_variables_to_their_hinted_value() &&</div>
|
|
<div class="line"><a id="l03275" name="l03275"></a><span class="lineno"> 3275</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint()) {</div>
|
|
<div class="line"><a id="l03276" name="l03276"></a><span class="lineno"> 3276</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(), <span class="stringliteral">"Fixing "</span>,</div>
|
|
<div class="line"><a id="l03277" name="l03277"></a><span class="lineno"> 3277</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars().size(),</div>
|
|
<div class="line"><a id="l03278" name="l03278"></a><span class="lineno"> 3278</span> <span class="stringliteral">" variables to their value in the solution hints."</span>);</div>
|
|
<div class="line"><a id="l03279" name="l03279"></a><span class="lineno"> 3279</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
|
|
<div class="line"><a id="l03280" name="l03280"></a><span class="lineno"> 3280</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
|
|
<div class="line"><a id="l03281" name="l03281"></a><span class="lineno"> 3281</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i);</div>
|
|
<div class="line"><a id="l03282" name="l03282"></a><span class="lineno"> 3282</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->IntersectDomainWith(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>))) {</div>
|
|
<div class="line"><a id="l03283" name="l03283"></a><span class="lineno"> 3283</span> <span class="keyword">const</span> IntegerVariableProto& var_proto =</div>
|
|
<div class="line"><a id="l03284" name="l03284"></a><span class="lineno"> 3284</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model->variables(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l03285" name="l03285"></a><span class="lineno"> 3285</span> <span class="keyword">const</span> std::string var_name = var_proto.name().empty()</div>
|
|
<div class="line"><a id="l03286" name="l03286"></a><span class="lineno"> 3286</span> ? absl::StrCat(<span class="stringliteral">"var("</span>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <span class="stringliteral">")"</span>)</div>
|
|
<div class="line"><a id="l03287" name="l03287"></a><span class="lineno"> 3287</span> : var_proto.name();</div>
|
|
<div class="line"><a id="l03288" name="l03288"></a><span class="lineno"> 3288</span> </div>
|
|
<div class="line"><a id="l03289" name="l03289"></a><span class="lineno"> 3289</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> var_domain = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(var_proto);</div>
|
|
<div class="line"><a id="l03290" name="l03290"></a><span class="lineno"> 3290</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(),</div>
|
|
<div class="line"><a id="l03291" name="l03291"></a><span class="lineno"> 3291</span> <span class="stringliteral">"Hint found infeasible when assigning variable '"</span>, var_name,</div>
|
|
<div class="line"><a id="l03292" name="l03292"></a><span class="lineno"> 3292</span> <span class="stringliteral">"' with domain"</span>, var_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a19c380b03cea21d7ac7325136a131ff0">ToString</a>(), <span class="stringliteral">" the value "</span>,</div>
|
|
<div class="line"><a id="l03293" name="l03293"></a><span class="lineno"> 3293</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l03294" name="l03294"></a><span class="lineno"> 3294</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l03295" name="l03295"></a><span class="lineno"> 3295</span> }</div>
|
|
<div class="line"><a id="l03296" name="l03296"></a><span class="lineno"> 3296</span> }</div>
|
|
<div class="line"><a id="l03297" name="l03297"></a><span class="lineno"> 3297</span> }</div>
|
|
<div class="line"><a id="l03298" name="l03298"></a><span class="lineno"> 3298</span> </div>
|
|
<div class="line"><a id="l03299" name="l03299"></a><span class="lineno"> 3299</span> <span class="comment">// If the hint is complete, we can use the solution checker to do more</span></div>
|
|
<div class="line"><a id="l03300" name="l03300"></a><span class="lineno"> 3300</span> <span class="comment">// validation. Note that after the model has been validated, we are sure there</span></div>
|
|
<div class="line"><a id="l03301" name="l03301"></a><span class="lineno"> 3301</span> <span class="comment">// are do duplicate variables in the solution hint, so we can just check the</span></div>
|
|
<div class="line"><a id="l03302" name="l03302"></a><span class="lineno"> 3302</span> <span class="comment">// size.</span></div>
|
|
<div class="line"><a id="l03303" name="l03303"></a><span class="lineno"> 3303</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l03304" name="l03304"></a><span class="lineno"> 3304</span> <span class="comment">// TODO(user): Also check if the hint specifies all non-fixed variables.</span></div>
|
|
<div class="line"><a id="l03305" name="l03305"></a><span class="lineno"> 3305</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint() && !<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsUnsat() &&</div>
|
|
<div class="line"><a id="l03306" name="l03306"></a><span class="lineno"> 3306</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars().size() ==</div>
|
|
<div class="line"><a id="l03307" name="l03307"></a><span class="lineno"> 3307</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size()) {</div>
|
|
<div class="line"><a id="l03308" name="l03308"></a><span class="lineno"> 3308</span> std::vector<int64_t> solution(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(), 0);</div>
|
|
<div class="line"><a id="l03309" name="l03309"></a><span class="lineno"> 3309</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
|
|
<div class="line"><a id="l03310" name="l03310"></a><span class="lineno"> 3310</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
|
|
<div class="line"><a id="l03311" name="l03311"></a><span class="lineno"> 3311</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i);</div>
|
|
<div class="line"><a id="l03312" name="l03312"></a><span class="lineno"> 3312</span> solution[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)] = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : -<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l03313" name="l03313"></a><span class="lineno"> 3313</span> }</div>
|
|
<div class="line"><a id="l03314" name="l03314"></a><span class="lineno"> 3314</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, solution)) {</div>
|
|
<div class="line"><a id="l03315" name="l03315"></a><span class="lineno"> 3315</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(),</div>
|
|
<div class="line"><a id="l03316" name="l03316"></a><span class="lineno"> 3316</span> <span class="stringliteral">"The solution hint is complete and is feasible."</span>);</div>
|
|
<div class="line"><a id="l03317" name="l03317"></a><span class="lineno"> 3317</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03318" name="l03318"></a><span class="lineno"> 3318</span> <span class="comment">// TODO(user): Change the code to make the solution checker more</span></div>
|
|
<div class="line"><a id="l03319" name="l03319"></a><span class="lineno"> 3319</span> <span class="comment">// informative by returning a message instead of just VLOGing it.</span></div>
|
|
<div class="line"><a id="l03320" name="l03320"></a><span class="lineno"> 3320</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger(),</div>
|
|
<div class="line"><a id="l03321" name="l03321"></a><span class="lineno"> 3321</span> <span class="stringliteral">"The solution hint is complete, but it is infeasible! we "</span></div>
|
|
<div class="line"><a id="l03322" name="l03322"></a><span class="lineno"> 3322</span> <span class="stringliteral">"will try to repair it."</span>);</div>
|
|
<div class="line"><a id="l03323" name="l03323"></a><span class="lineno"> 3323</span> }</div>
|
|
<div class="line"><a id="l03324" name="l03324"></a><span class="lineno"> 3324</span> }</div>
|
|
<div class="line"><a id="l03325" name="l03325"></a><span class="lineno"> 3325</span> </div>
|
|
<div class="line"><a id="l03326" name="l03326"></a><span class="lineno"> 3326</span> <span class="comment">// If the objective was a floating point one, do some postprocessing on the</span></div>
|
|
<div class="line"><a id="l03327" name="l03327"></a><span class="lineno"> 3327</span> <span class="comment">// final response.</span></div>
|
|
<div class="line"><a id="l03328" name="l03328"></a><span class="lineno"> 3328</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective()) {</div>
|
|
<div class="line"><a id="l03329" name="l03329"></a><span class="lineno"> 3329</span> shared_response_manager->AddFinalResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03330" name="l03330"></a><span class="lineno"> 3330</span> [&params, &<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &mapping_proto,</div>
|
|
<div class="line"><a id="l03331" name="l03331"></a><span class="lineno"> 3331</span> &logger](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03332" name="l03332"></a><span class="lineno"> 3332</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().empty()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l03333" name="l03333"></a><span class="lineno"> 3333</span> </div>
|
|
<div class="line"><a id="l03334" name="l03334"></a><span class="lineno"> 3334</span> <span class="comment">// Compute the true objective of the best returned solution.</span></div>
|
|
<div class="line"><a id="l03335" name="l03335"></a><span class="lineno"> 3335</span> <span class="keyword">const</span> <span class="keyword">auto</span>& float_obj = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.floating_point_objective();</div>
|
|
<div class="line"><a id="l03336" name="l03336"></a><span class="lineno"> 3336</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = float_obj.offset();</div>
|
|
<div class="line"><a id="l03337" name="l03337"></a><span class="lineno"> 3337</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_terms = float_obj.vars().size();</div>
|
|
<div class="line"><a id="l03338" name="l03338"></a><span class="lineno"> 3338</span> for (<span class="keywordtype">int</span> i = 0; i < num_terms; ++i) {</div>
|
|
<div class="line"><a id="l03339" name="l03339"></a><span class="lineno"> 3339</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> += float_obj.coeffs(i) *</div>
|
|
<div class="line"><a id="l03340" name="l03340"></a><span class="lineno"> 3340</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution(float_obj.vars(i)));</div>
|
|
<div class="line"><a id="l03341" name="l03341"></a><span class="lineno"> 3341</span> }</div>
|
|
<div class="line"><a id="l03342" name="l03342"></a><span class="lineno"> 3342</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_objective_value(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l03343" name="l03343"></a><span class="lineno"> 3343</span> </div>
|
|
<div class="line"><a id="l03344" name="l03344"></a><span class="lineno"> 3344</span> <span class="comment">// Also copy the scaled objective which must be in the mapping model.</span></div>
|
|
<div class="line"><a id="l03345" name="l03345"></a><span class="lineno"> 3345</span> <span class="comment">// This can be useful for some client, like if they want to do</span></div>
|
|
<div class="line"><a id="l03346" name="l03346"></a><span class="lineno"> 3346</span> <span class="comment">// multi-objective optimization in stages.</span></div>
|
|
<div class="line"><a id="l03347" name="l03347"></a><span class="lineno"> 3347</span> <span class="keywordflow">if</span> (!mapping_proto.has_objective()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l03348" name="l03348"></a><span class="lineno"> 3348</span> <span class="keyword">const</span> CpObjectiveProto& integer_obj = mapping_proto.objective();</div>
|
|
<div class="line"><a id="l03349" name="l03349"></a><span class="lineno"> 3349</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_integer_objective() = integer_obj;</div>
|
|
<div class="line"><a id="l03350" name="l03350"></a><span class="lineno"> 3350</span> </div>
|
|
<div class="line"><a id="l03351" name="l03351"></a><span class="lineno"> 3351</span> <span class="comment">// If requested, compute a correct lb from the one on the integer</span></div>
|
|
<div class="line"><a id="l03352" name="l03352"></a><span class="lineno"> 3352</span> <span class="comment">// objective. We only do that if some error were introduced by the</span></div>
|
|
<div class="line"><a id="l03353" name="l03353"></a><span class="lineno"> 3353</span> <span class="comment">// scaling algorithm.</span></div>
|
|
<div class="line"><a id="l03354" name="l03354"></a><span class="lineno"> 3354</span> <a class="code hl_function" href="parser_8yy_8cc.html#a33e91cd0cef6786e9e3a27ac67707207">if</a> (params.mip_compute_true_objective_bound() &&</div>
|
|
<div class="line"><a id="l03355" name="l03355"></a><span class="lineno"> 3355</span> !integer_obj.scaling_was_exact()) {</div>
|
|
<div class="line"><a id="l03356" name="l03356"></a><span class="lineno"> 3356</span> const int64_t integer_lb = response->inner_objective_lower_bound();</div>
|
|
<div class="line"><a id="l03357" name="l03357"></a><span class="lineno"> 3357</span> const double lb = ComputeTrueObjectiveLowerBound(</div>
|
|
<div class="line"><a id="l03358" name="l03358"></a><span class="lineno"> 3358</span> model_proto, integer_obj, integer_lb);</div>
|
|
<div class="line"><a id="l03359" name="l03359"></a><span class="lineno"> 3359</span> SOLVER_LOG(logger, <span class="stringliteral">"[Scaling] scaled_objective_bound: "</span>,</div>
|
|
<div class="line"><a id="l03360" name="l03360"></a><span class="lineno"> 3360</span> response->best_objective_bound(),</div>
|
|
<div class="line"><a id="l03361" name="l03361"></a><span class="lineno"> 3361</span> <span class="stringliteral">" corrected_bound: "</span>, lb,</div>
|
|
<div class="line"><a id="l03362" name="l03362"></a><span class="lineno"> 3362</span> <span class="stringliteral">" delta: "</span>, response->best_objective_bound() - lb);</div>
|
|
<div class="line"><a id="l03363" name="l03363"></a><span class="lineno"> 3363</span> </div>
|
|
<div class="line"><a id="l03364" name="l03364"></a><span class="lineno"> 3364</span> <span class="comment">// To avoid small errors that can be confusing, we take the</span></div>
|
|
<div class="line"><a id="l03365" name="l03365"></a><span class="lineno"> 3365</span> <span class="comment">// min/max with the objective value.</span></div>
|
|
<div class="line"><a id="l03366" name="l03366"></a><span class="lineno"> 3366</span> if (float_obj.maximize()) {</div>
|
|
<div class="line"><a id="l03367" name="l03367"></a><span class="lineno"> 3367</span> response->set_best_objective_bound(</div>
|
|
<div class="line"><a id="l03368" name="l03368"></a><span class="lineno"> 3368</span> std::max(lb, response->objective_value()));</div>
|
|
<div class="line"><a id="l03369" name="l03369"></a><span class="lineno"> 3369</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03370" name="l03370"></a><span class="lineno"> 3370</span> response->set_best_objective_bound(</div>
|
|
<div class="line"><a id="l03371" name="l03371"></a><span class="lineno"> 3371</span> std::min(lb, response->objective_value()));</div>
|
|
<div class="line"><a id="l03372" name="l03372"></a><span class="lineno"> 3372</span> }</div>
|
|
<div class="line"><a id="l03373" name="l03373"></a><span class="lineno"> 3373</span> }</div>
|
|
<div class="line"><a id="l03374" name="l03374"></a><span class="lineno"> 3374</span> </div>
|
|
<div class="line"><a id="l03375" name="l03375"></a><span class="lineno"> 3375</span> <span class="comment">// Check the absolute gap, and display warning if needed.</span></div>
|
|
<div class="line"><a id="l03376" name="l03376"></a><span class="lineno"> 3376</span> <span class="comment">// TODO(user): Change status to IMPRECISE?</span></div>
|
|
<div class="line"><a id="l03377" name="l03377"></a><span class="lineno"> 3377</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() == CpSolverStatus::OPTIMAL) {</div>
|
|
<div class="line"><a id="l03378" name="l03378"></a><span class="lineno"> 3378</span> const double gap = std::abs(response->objective_value() -</div>
|
|
<div class="line"><a id="l03379" name="l03379"></a><span class="lineno"> 3379</span> response->best_objective_bound());</div>
|
|
<div class="line"><a id="l03380" name="l03380"></a><span class="lineno"> 3380</span> if (gap > params.absolute_gap_limit()) {</div>
|
|
<div class="line"><a id="l03381" name="l03381"></a><span class="lineno"> 3381</span> SOLVER_LOG(logger,</div>
|
|
<div class="line"><a id="l03382" name="l03382"></a><span class="lineno"> 3382</span> <span class="stringliteral">"[Scaling] Warning: OPTIMAL was reported, yet the "</span></div>
|
|
<div class="line"><a id="l03383" name="l03383"></a><span class="lineno"> 3383</span> <span class="stringliteral">"objective gap ("</span>,</div>
|
|
<div class="line"><a id="l03384" name="l03384"></a><span class="lineno"> 3384</span> gap, <span class="stringliteral">") is greater than requested absolute limit ("</span>,</div>
|
|
<div class="line"><a id="l03385" name="l03385"></a><span class="lineno"> 3385</span> params.absolute_gap_limit(), <span class="stringliteral">")."</span>);</div>
|
|
<div class="line"><a id="l03386" name="l03386"></a><span class="lineno"> 3386</span> }</div>
|
|
<div class="line"><a id="l03387" name="l03387"></a><span class="lineno"> 3387</span> }</div>
|
|
<div class="line"><a id="l03388" name="l03388"></a><span class="lineno"> 3388</span> });</div>
|
|
<div class="line"><a id="l03389" name="l03389"></a><span class="lineno"> 3389</span> }</div>
|
|
<div class="line"><a id="l03390" name="l03390"></a><span class="lineno"> 3390</span> </div>
|
|
<div class="line"><a id="l03391" name="l03391"></a><span class="lineno"> 3391</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions().empty() &&</div>
|
|
<div class="line"><a id="l03392" name="l03392"></a><span class="lineno"> 3392</span> (params.num_workers() > 1 || <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective() ||</div>
|
|
<div class="line"><a id="l03393" name="l03393"></a><span class="lineno"> 3393</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_floating_point_objective())) {</div>
|
|
<div class="line"><a id="l03394" name="l03394"></a><span class="lineno"> 3394</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(</div>
|
|
<div class="line"><a id="l03395" name="l03395"></a><span class="lineno"> 3395</span> logger,</div>
|
|
<div class="line"><a id="l03396" name="l03396"></a><span class="lineno"> 3396</span> <span class="stringliteral">"Warning: solving with assumptions was requested in a non-fully "</span></div>
|
|
<div class="line"><a id="l03397" name="l03397"></a><span class="lineno"> 3397</span> <span class="stringliteral">"supported setting.\nWe will assumes these assumptions true while "</span></div>
|
|
<div class="line"><a id="l03398" name="l03398"></a><span class="lineno"> 3398</span> <span class="stringliteral">"solving, but if the model is infeasible, you will not get a useful "</span></div>
|
|
<div class="line"><a id="l03399" name="l03399"></a><span class="lineno"> 3399</span> <span class="stringliteral">"'sufficient_assumptions_for_infeasibility' field in the response, it "</span></div>
|
|
<div class="line"><a id="l03400" name="l03400"></a><span class="lineno"> 3400</span> <span class="stringliteral">"will include all assumptions."</span>);</div>
|
|
<div class="line"><a id="l03401" name="l03401"></a><span class="lineno"> 3401</span> </div>
|
|
<div class="line"><a id="l03402" name="l03402"></a><span class="lineno"> 3402</span> <span class="comment">// For the case where the assumptions are currently not supported, we just</span></div>
|
|
<div class="line"><a id="l03403" name="l03403"></a><span class="lineno"> 3403</span> <span class="comment">// assume they are fixed, and will always report all of them in the UNSAT</span></div>
|
|
<div class="line"><a id="l03404" name="l03404"></a><span class="lineno"> 3404</span> <span class="comment">// core if the problem turn out to be UNSAT.</span></div>
|
|
<div class="line"><a id="l03405" name="l03405"></a><span class="lineno"> 3405</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l03406" name="l03406"></a><span class="lineno"> 3406</span> <span class="comment">// If the mode is not degraded, we will hopefully report a small subset</span></div>
|
|
<div class="line"><a id="l03407" name="l03407"></a><span class="lineno"> 3407</span> <span class="comment">// in case there is no feasible solution under these assumptions.</span></div>
|
|
<div class="line"><a id="l03408" name="l03408"></a><span class="lineno"> 3408</span> shared_response_manager->AddFinalResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03409" name="l03409"></a><span class="lineno"> 3409</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03410" name="l03410"></a><span class="lineno"> 3410</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() != CpSolverStatus::INFEASIBLE) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l03411" name="l03411"></a><span class="lineno"> 3411</span> </div>
|
|
<div class="line"><a id="l03412" name="l03412"></a><span class="lineno"> 3412</span> <span class="comment">// For now, just pass in all assumptions.</span></div>
|
|
<div class="line"><a id="l03413" name="l03413"></a><span class="lineno"> 3413</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_sufficient_assumptions_for_infeasibility() =</div>
|
|
<div class="line"><a id="l03414" name="l03414"></a><span class="lineno"> 3414</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions();</div>
|
|
<div class="line"><a id="l03415" name="l03415"></a><span class="lineno"> 3415</span> });</div>
|
|
<div class="line"><a id="l03416" name="l03416"></a><span class="lineno"> 3416</span> </div>
|
|
<div class="line"><a id="l03417" name="l03417"></a><span class="lineno"> 3417</span> <span class="comment">// Clear them from the new proto.</span></div>
|
|
<div class="line"><a id="l03418" name="l03418"></a><span class="lineno"> 3418</span> new_cp_model_proto.clear_assumptions();</div>
|
|
<div class="line"><a id="l03419" name="l03419"></a><span class="lineno"> 3419</span> </div>
|
|
<div class="line"><a id="l03420" name="l03420"></a><span class="lineno"> 3420</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InitializeNewDomains();</div>
|
|
<div class="line"><a id="l03421" name="l03421"></a><span class="lineno"> 3421</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()) {</div>
|
|
<div class="line"><a id="l03422" name="l03422"></a><span class="lineno"> 3422</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->SetLiteralToTrue(ref)) {</div>
|
|
<div class="line"><a id="l03423" name="l03423"></a><span class="lineno"> 3423</span> shared_response_manager->MutableResponse()->set_status(</div>
|
|
<div class="line"><a id="l03424" name="l03424"></a><span class="lineno"> 3424</span> CpSolverStatus::INFEASIBLE);</div>
|
|
<div class="line"><a id="l03425" name="l03425"></a><span class="lineno"> 3425</span> shared_response_manager->MutableResponse()</div>
|
|
<div class="line"><a id="l03426" name="l03426"></a><span class="lineno"> 3426</span> ->add_sufficient_assumptions_for_infeasibility(ref);</div>
|
|
<div class="line"><a id="l03427" name="l03427"></a><span class="lineno"> 3427</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03428" name="l03428"></a><span class="lineno"> 3428</span> }</div>
|
|
<div class="line"><a id="l03429" name="l03429"></a><span class="lineno"> 3429</span> }</div>
|
|
<div class="line"><a id="l03430" name="l03430"></a><span class="lineno"> 3430</span> }</div>
|
|
<div class="line"><a id="l03431" name="l03431"></a><span class="lineno"> 3431</span> </div>
|
|
<div class="line"><a id="l03432" name="l03432"></a><span class="lineno"> 3432</span> <span class="comment">// Do the actual presolve.</span></div>
|
|
<div class="line"><a id="l03433" name="l03433"></a><span class="lineno"> 3433</span> std::vector<int> postsolve_mapping;</div>
|
|
<div class="line"><a id="l03434" name="l03434"></a><span class="lineno"> 3434</span> <span class="keyword">const</span> CpSolverStatus presolve_status =</div>
|
|
<div class="line"><a id="l03435" name="l03435"></a><span class="lineno"> 3435</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#abc0cd8ddeca98a0ead5ad406a8ae3a69">PresolveCpModel</a>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get(), &postsolve_mapping);</div>
|
|
<div class="line"><a id="l03436" name="l03436"></a><span class="lineno"> 3436</span> <span class="keywordflow">if</span> (presolve_status != CpSolverStatus::UNKNOWN) {</div>
|
|
<div class="line"><a id="l03437" name="l03437"></a><span class="lineno"> 3437</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Problem closed by presolve."</span>);</div>
|
|
<div class="line"><a id="l03438" name="l03438"></a><span class="lineno"> 3438</span> shared_response_manager->MutableResponse()->set_status(presolve_status);</div>
|
|
<div class="line"><a id="l03439" name="l03439"></a><span class="lineno"> 3439</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03440" name="l03440"></a><span class="lineno"> 3440</span> }</div>
|
|
<div class="line"><a id="l03441" name="l03441"></a><span class="lineno"> 3441</span> </div>
|
|
<div class="line"><a id="l03442" name="l03442"></a><span class="lineno"> 3442</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03443" name="l03443"></a><span class="lineno"> 3443</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Presolved "</span>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(new_cp_model_proto));</div>
|
|
<div class="line"><a id="l03444" name="l03444"></a><span class="lineno"> 3444</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03445" name="l03445"></a><span class="lineno"> 3445</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">"Preloading model."</span>);</div>
|
|
<div class="line"><a id="l03446" name="l03446"></a><span class="lineno"> 3446</span> </div>
|
|
<div class="line"><a id="l03447" name="l03447"></a><span class="lineno"> 3447</span> <span class="keywordflow">if</span> (params.cp_model_presolve()) {</div>
|
|
<div class="line"><a id="l03448" name="l03448"></a><span class="lineno"> 3448</span> shared_response_manager->AddSolutionPostprocessor(</div>
|
|
<div class="line"><a id="l03449" name="l03449"></a><span class="lineno"> 3449</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params, &mapping_proto, &<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a id="l03450" name="l03450"></a><span class="lineno"> 3450</span> &postsolve_mapping](std::vector<int64_t>* solution) {</div>
|
|
<div class="line"><a id="l03451" name="l03451"></a><span class="lineno"> 3451</span> AddPostsolveClauses(postsolve_mapping, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &mapping_proto);</div>
|
|
<div class="line"><a id="l03452" name="l03452"></a><span class="lineno"> 3452</span> PostsolveResponseWrapper(params, <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(),</div>
|
|
<div class="line"><a id="l03453" name="l03453"></a><span class="lineno"> 3453</span> mapping_proto, postsolve_mapping, solution);</div>
|
|
<div class="line"><a id="l03454" name="l03454"></a><span class="lineno"> 3454</span> });</div>
|
|
<div class="line"><a id="l03455" name="l03455"></a><span class="lineno"> 3455</span> shared_response_manager->AddResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03456" name="l03456"></a><span class="lineno"> 3456</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params, &mapping_proto, &postsolve_mapping, <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a id="l03457" name="l03457"></a><span class="lineno"> 3457</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03458" name="l03458"></a><span class="lineno"> 3458</span> <span class="comment">// Map back the sufficient assumptions for infeasibility.</span></div>
|
|
<div class="line"><a id="l03459" name="l03459"></a><span class="lineno"> 3459</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span>& ref :</div>
|
|
<div class="line"><a id="l03460" name="l03460"></a><span class="lineno"> 3460</span> *(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div>
|
|
<div class="line"><a id="l03461" name="l03461"></a><span class="lineno"> 3461</span> ->mutable_sufficient_assumptions_for_infeasibility())) {</div>
|
|
<div class="line"><a id="l03462" name="l03462"></a><span class="lineno"> 3462</span> ref = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)</div>
|
|
<div class="line"><a id="l03463" name="l03463"></a><span class="lineno"> 3463</span> ? postsolve_mapping[ref]</div>
|
|
<div class="line"><a id="l03464" name="l03464"></a><span class="lineno"> 3464</span> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(postsolve_mapping[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)]);</div>
|
|
<div class="line"><a id="l03465" name="l03465"></a><span class="lineno"> 3465</span> }</div>
|
|
<div class="line"><a id="l03466" name="l03466"></a><span class="lineno"> 3466</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().empty()) {</div>
|
|
<div class="line"><a id="l03467" name="l03467"></a><span class="lineno"> 3467</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a id="l03468" name="l03468"></a><span class="lineno"> 3468</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l03469" name="l03469"></a><span class="lineno"> 3469</span> std::vector<int64_t>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().begin(),</div>
|
|
<div class="line"><a id="l03470" name="l03470"></a><span class="lineno"> 3470</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().end()),</div>
|
|
<div class="line"><a id="l03471" name="l03471"></a><span class="lineno"> 3471</span> &mapping_proto, &postsolve_mapping))</div>
|
|
<div class="line"><a id="l03472" name="l03472"></a><span class="lineno"> 3472</span> << <span class="stringliteral">"postsolved solution"</span>;</div>
|
|
<div class="line"><a id="l03473" name="l03473"></a><span class="lineno"> 3473</span> }</div>
|
|
<div class="line"><a id="l03474" name="l03474"></a><span class="lineno"> 3474</span> <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a id="l03475" name="l03475"></a><span class="lineno"> 3475</span> <span class="comment">// TODO(user): for now, we just use the domain infered during</span></div>
|
|
<div class="line"><a id="l03476" name="l03476"></a><span class="lineno"> 3476</span> <span class="comment">// presolve.</span></div>
|
|
<div class="line"><a id="l03477" name="l03477"></a><span class="lineno"> 3477</span> <span class="keywordflow">if</span> (mapping_proto.variables().size() >=</div>
|
|
<div class="line"><a id="l03478" name="l03478"></a><span class="lineno"> 3478</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables().size()) {</div>
|
|
<div class="line"><a id="l03479" name="l03479"></a><span class="lineno"> 3479</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables().size(); ++i) {</div>
|
|
<div class="line"><a id="l03480" name="l03480"></a><span class="lineno"> 3480</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_tightened_variables() =</div>
|
|
<div class="line"><a id="l03481" name="l03481"></a><span class="lineno"> 3481</span> mapping_proto.variables(i);</div>
|
|
<div class="line"><a id="l03482" name="l03482"></a><span class="lineno"> 3482</span> }</div>
|
|
<div class="line"><a id="l03483" name="l03483"></a><span class="lineno"> 3483</span> }</div>
|
|
<div class="line"><a id="l03484" name="l03484"></a><span class="lineno"> 3484</span> }</div>
|
|
<div class="line"><a id="l03485" name="l03485"></a><span class="lineno"> 3485</span> });</div>
|
|
<div class="line"><a id="l03486" name="l03486"></a><span class="lineno"> 3486</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03487" name="l03487"></a><span class="lineno"> 3487</span> shared_response_manager->AddFinalResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03488" name="l03488"></a><span class="lineno"> 3488</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03489" name="l03489"></a><span class="lineno"> 3489</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().empty()) {</div>
|
|
<div class="line"><a id="l03490" name="l03490"></a><span class="lineno"> 3490</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a id="l03491" name="l03491"></a><span class="lineno"> 3491</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, std::vector<int64_t>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().begin(),</div>
|
|
<div class="line"><a id="l03492" name="l03492"></a><span class="lineno"> 3492</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().end())));</div>
|
|
<div class="line"><a id="l03493" name="l03493"></a><span class="lineno"> 3493</span> }</div>
|
|
<div class="line"><a id="l03494" name="l03494"></a><span class="lineno"> 3494</span> });</div>
|
|
<div class="line"><a id="l03495" name="l03495"></a><span class="lineno"> 3495</span> shared_response_manager->AddResponsePostprocessor(</div>
|
|
<div class="line"><a id="l03496" name="l03496"></a><span class="lineno"> 3496</span> [&<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params](CpSolverResponse* <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03497" name="l03497"></a><span class="lineno"> 3497</span> <span class="comment">// Truncate the solution in case model expansion added more variables.</span></div>
|
|
<div class="line"><a id="l03498" name="l03498"></a><span class="lineno"> 3498</span> <span class="keyword">const</span> <span class="keywordtype">int</span> initial_size = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size();</div>
|
|
<div class="line"><a id="l03499" name="l03499"></a><span class="lineno"> 3499</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_size() > 0) {</div>
|
|
<div class="line"><a id="l03500" name="l03500"></a><span class="lineno"> 3500</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_solution()->Truncate(initial_size);</div>
|
|
<div class="line"><a id="l03501" name="l03501"></a><span class="lineno"> 3501</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a> ||</div>
|
|
<div class="line"><a id="l03502" name="l03502"></a><span class="lineno"> 3502</span> absl::GetFlag(FLAGS_cp_model_check_intermediate_solutions)) {</div>
|
|
<div class="line"><a id="l03503" name="l03503"></a><span class="lineno"> 3503</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a id="l03504" name="l03504"></a><span class="lineno"> 3504</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l03505" name="l03505"></a><span class="lineno"> 3505</span> std::vector<int64_t>(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().begin(),</div>
|
|
<div class="line"><a id="l03506" name="l03506"></a><span class="lineno"> 3506</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().end())));</div>
|
|
<div class="line"><a id="l03507" name="l03507"></a><span class="lineno"> 3507</span> }</div>
|
|
<div class="line"><a id="l03508" name="l03508"></a><span class="lineno"> 3508</span> }</div>
|
|
<div class="line"><a id="l03509" name="l03509"></a><span class="lineno"> 3509</span> <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a id="l03510" name="l03510"></a><span class="lineno"> 3510</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_tightened_variables() = <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables();</div>
|
|
<div class="line"><a id="l03511" name="l03511"></a><span class="lineno"> 3511</span> }</div>
|
|
<div class="line"><a id="l03512" name="l03512"></a><span class="lineno"> 3512</span> });</div>
|
|
<div class="line"><a id="l03513" name="l03513"></a><span class="lineno"> 3513</span> }</div>
|
|
<div class="line"><a id="l03514" name="l03514"></a><span class="lineno"> 3514</span> </div>
|
|
<div class="line"><a id="l03515" name="l03515"></a><span class="lineno"> 3515</span> <span class="comment">// Delete the context.</span></div>
|
|
<div class="line"><a id="l03516" name="l03516"></a><span class="lineno"> 3516</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.reset(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l03517" name="l03517"></a><span class="lineno"> 3517</span> </div>
|
|
<div class="line"><a id="l03518" name="l03518"></a><span class="lineno"> 3518</span> <span class="keywordflow">if</span> (params.symmetry_level() > 1) {</div>
|
|
<div class="line"><a id="l03519" name="l03519"></a><span class="lineno"> 3519</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a0fc24fd6e8320e397bb6700b009a8f3b">DetectAndAddSymmetryToProto</a>(params, &new_cp_model_proto, logger);</div>
|
|
<div class="line"><a id="l03520" name="l03520"></a><span class="lineno"> 3520</span> }</div>
|
|
<div class="line"><a id="l03521" name="l03521"></a><span class="lineno"> 3521</span> </div>
|
|
<div class="line"><a id="l03522" name="l03522"></a><span class="lineno"> 3522</span> <span class="keyword">const</span> <span class="keyword">auto</span>& observers = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SolutionObservers>()->observers;</div>
|
|
<div class="line"><a id="l03523" name="l03523"></a><span class="lineno"> 3523</span> <span class="keywordflow">if</span> (!observers.empty()) {</div>
|
|
<div class="line"><a id="l03524" name="l03524"></a><span class="lineno"> 3524</span> shared_response_manager->AddSolutionCallback(</div>
|
|
<div class="line"><a id="l03525" name="l03525"></a><span class="lineno"> 3525</span> [&observers](<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03526" name="l03526"></a><span class="lineno"> 3526</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& observer : observers) {</div>
|
|
<div class="line"><a id="l03527" name="l03527"></a><span class="lineno"> 3527</span> observer(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a id="l03528" name="l03528"></a><span class="lineno"> 3528</span> }</div>
|
|
<div class="line"><a id="l03529" name="l03529"></a><span class="lineno"> 3529</span> });</div>
|
|
<div class="line"><a id="l03530" name="l03530"></a><span class="lineno"> 3530</span> }</div>
|
|
<div class="line"><a id="l03531" name="l03531"></a><span class="lineno"> 3531</span> </div>
|
|
<div class="line"><a id="l03532" name="l03532"></a><span class="lineno"> 3532</span> <span class="comment">// If specified, we load the initial objective domain right away in the</span></div>
|
|
<div class="line"><a id="l03533" name="l03533"></a><span class="lineno"> 3533</span> <span class="comment">// response manager. Note that the presolve will always fill it with the</span></div>
|
|
<div class="line"><a id="l03534" name="l03534"></a><span class="lineno"> 3534</span> <span class="comment">// trivial min/max value if the user left it empty. This avoids to display</span></div>
|
|
<div class="line"><a id="l03535" name="l03535"></a><span class="lineno"> 3535</span> <span class="comment">// [-infinity, infinity] for the initial objective search space.</span></div>
|
|
<div class="line"><a id="l03536" name="l03536"></a><span class="lineno"> 3536</span> <span class="keywordflow">if</span> (new_cp_model_proto.has_objective()) {</div>
|
|
<div class="line"><a id="l03537" name="l03537"></a><span class="lineno"> 3537</span> shared_response_manager->InitializeObjective(new_cp_model_proto);</div>
|
|
<div class="line"><a id="l03538" name="l03538"></a><span class="lineno"> 3538</span> shared_response_manager->SetGapLimitsFromParameters(params);</div>
|
|
<div class="line"><a id="l03539" name="l03539"></a><span class="lineno"> 3539</span> }</div>
|
|
<div class="line"><a id="l03540" name="l03540"></a><span class="lineno"> 3540</span> </div>
|
|
<div class="line"><a id="l03541" name="l03541"></a><span class="lineno"> 3541</span> <span class="comment">// Start counting the primal integral from the current determistic time and</span></div>
|
|
<div class="line"><a id="l03542" name="l03542"></a><span class="lineno"> 3542</span> <span class="comment">// initial objective domain gap that we just filled.</span></div>
|
|
<div class="line"><a id="l03543" name="l03543"></a><span class="lineno"> 3543</span> shared_response_manager->UpdateGapIntegral();</div>
|
|
<div class="line"><a id="l03544" name="l03544"></a><span class="lineno"> 3544</span> </div>
|
|
<div class="line"><a id="l03545" name="l03545"></a><span class="lineno"> 3545</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03546" name="l03546"></a><span class="lineno"> 3546</span> <span class="keywordflow">if</span> (absl::GetFlag(FLAGS_cp_model_dump_models)) {</div>
|
|
<div class="line"><a id="l03547" name="l03547"></a><span class="lineno"> 3547</span> <span class="keyword">const</span> std::string presolved_file = absl::StrCat(</div>
|
|
<div class="line"><a id="l03548" name="l03548"></a><span class="lineno"> 3548</span> absl::GetFlag(FLAGS_cp_model_dump_prefix), <span class="stringliteral">"presolved_model.pb.txt"</span>);</div>
|
|
<div class="line"><a id="l03549" name="l03549"></a><span class="lineno"> 3549</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping presolved CpModelProto to '"</span> << presolved_file</div>
|
|
<div class="line"><a id="l03550" name="l03550"></a><span class="lineno"> 3550</span> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l03551" name="l03551"></a><span class="lineno"> 3551</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(presolved_file, new_cp_model_proto,</div>
|
|
<div class="line"><a id="l03552" name="l03552"></a><span class="lineno"> 3552</span> <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l03553" name="l03553"></a><span class="lineno"> 3553</span> </div>
|
|
<div class="line"><a id="l03554" name="l03554"></a><span class="lineno"> 3554</span> <span class="keyword">const</span> std::string mapping_file = absl::StrCat(</div>
|
|
<div class="line"><a id="l03555" name="l03555"></a><span class="lineno"> 3555</span> absl::GetFlag(FLAGS_cp_model_dump_prefix), <span class="stringliteral">"mapping_model.pb.txt"</span>);</div>
|
|
<div class="line"><a id="l03556" name="l03556"></a><span class="lineno"> 3556</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Dumping mapping CpModelProto to '"</span> << mapping_file << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l03557" name="l03557"></a><span class="lineno"> 3557</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(mapping_file, mapping_proto, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l03558" name="l03558"></a><span class="lineno"> 3558</span> </div>
|
|
<div class="line"><a id="l03559" name="l03559"></a><span class="lineno"> 3559</span> <span class="comment">// If the model is convertible to a MIP, we dump it too.</span></div>
|
|
<div class="line"><a id="l03560" name="l03560"></a><span class="lineno"> 3560</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l03561" name="l03561"></a><span class="lineno"> 3561</span> <span class="comment">// TODO(user): We could try to dump our linear relaxation too.</span></div>
|
|
<div class="line"><a id="l03562" name="l03562"></a><span class="lineno"> 3562</span> MPModelProto mip_model;</div>
|
|
<div class="line"><a id="l03563" name="l03563"></a><span class="lineno"> 3563</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1f03a05fdb422a45d174be99780a6f9d">ConvertCpModelProtoToMPModelProto</a>(new_cp_model_proto, &mip_model)) {</div>
|
|
<div class="line"><a id="l03564" name="l03564"></a><span class="lineno"> 3564</span> <span class="keyword">const</span> std::string <a class="code hl_namespace" href="namespacefile.html">file</a> =</div>
|
|
<div class="line"><a id="l03565" name="l03565"></a><span class="lineno"> 3565</span> absl::StrCat(absl::GetFlag(FLAGS_cp_model_dump_prefix),</div>
|
|
<div class="line"><a id="l03566" name="l03566"></a><span class="lineno"> 3566</span> <span class="stringliteral">"presolved.mp_model.pb.txt"</span>);</div>
|
|
<div class="line"><a id="l03567" name="l03567"></a><span class="lineno"> 3567</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Presolved problem is pure linear IP. Dumping presolved "</span></div>
|
|
<div class="line"><a id="l03568" name="l03568"></a><span class="lineno"> 3568</span> <span class="stringliteral">"MPModelProto to '"</span></div>
|
|
<div class="line"><a id="l03569" name="l03569"></a><span class="lineno"> 3569</span> << <a class="code hl_namespace" href="namespacefile.html">file</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a id="l03570" name="l03570"></a><span class="lineno"> 3570</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code hl_namespace" href="namespacefile.html">file</a>, mip_model, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a id="l03571" name="l03571"></a><span class="lineno"> 3571</span> }</div>
|
|
<div class="line"><a id="l03572" name="l03572"></a><span class="lineno"> 3572</span> }</div>
|
|
<div class="line"><a id="l03573" name="l03573"></a><span class="lineno"> 3573</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03574" name="l03574"></a><span class="lineno"> 3574</span> </div>
|
|
<div class="line"><a id="l03575" name="l03575"></a><span class="lineno"> 3575</span> <span class="keywordflow">if</span> (params.stop_after_presolve() || shared_time_limit->LimitReached()) {</div>
|
|
<div class="line"><a id="l03576" name="l03576"></a><span class="lineno"> 3576</span> int64_t num_terms = 0;</div>
|
|
<div class="line"><a id="l03577" name="l03577"></a><span class="lineno"> 3577</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : new_cp_model_proto.constraints()) {</div>
|
|
<div class="line"><a id="l03578" name="l03578"></a><span class="lineno"> 3578</span> num_terms += <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">UsedVariables</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>).size();</div>
|
|
<div class="line"><a id="l03579" name="l03579"></a><span class="lineno"> 3579</span> }</div>
|
|
<div class="line"><a id="l03580" name="l03580"></a><span class="lineno"> 3580</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(</div>
|
|
<div class="line"><a id="l03581" name="l03581"></a><span class="lineno"> 3581</span> logger, <span class="stringliteral">"Stopped after presolve."</span>,</div>
|
|
<div class="line"><a id="l03582" name="l03582"></a><span class="lineno"> 3582</span> <span class="stringliteral">"\nPresolvedNumVariables: "</span>, new_cp_model_proto.variables().size(),</div>
|
|
<div class="line"><a id="l03583" name="l03583"></a><span class="lineno"> 3583</span> <span class="stringliteral">"\nPresolvedNumConstraints: "</span>, new_cp_model_proto.constraints().size(),</div>
|
|
<div class="line"><a id="l03584" name="l03584"></a><span class="lineno"> 3584</span> <span class="stringliteral">"\nPresolvedNumTerms: "</span>, num_terms);</div>
|
|
<div class="line"><a id="l03585" name="l03585"></a><span class="lineno"> 3585</span> </div>
|
|
<div class="line"><a id="l03586" name="l03586"></a><span class="lineno"> 3586</span> shared_response_manager->SetStatsFromModel(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03587" name="l03587"></a><span class="lineno"> 3587</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03588" name="l03588"></a><span class="lineno"> 3588</span> }</div>
|
|
<div class="line"><a id="l03589" name="l03589"></a><span class="lineno"> 3589</span> </div>
|
|
<div class="line"><a id="l03590" name="l03590"></a><span class="lineno"> 3590</span> <span class="comment">// Make sure everything stops when we have a first solution if requested.</span></div>
|
|
<div class="line"><a id="l03591" name="l03591"></a><span class="lineno"> 3591</span> <span class="keywordflow">if</span> (params.stop_after_first_solution()) {</div>
|
|
<div class="line"><a id="l03592" name="l03592"></a><span class="lineno"> 3592</span> shared_response_manager->AddSolutionCallback(</div>
|
|
<div class="line"><a id="l03593" name="l03593"></a><span class="lineno"> 3593</span> [shared_time_limit](<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a id="l03594" name="l03594"></a><span class="lineno"> 3594</span> shared_time_limit->Stop();</div>
|
|
<div class="line"><a id="l03595" name="l03595"></a><span class="lineno"> 3595</span> });</div>
|
|
<div class="line"><a id="l03596" name="l03596"></a><span class="lineno"> 3596</span> }</div>
|
|
<div class="line"><a id="l03597" name="l03597"></a><span class="lineno"> 3597</span> </div>
|
|
<div class="line"><a id="l03598" name="l03598"></a><span class="lineno"> 3598</span><span class="preprocessor">#if defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03599" name="l03599"></a><span class="lineno"> 3599</span> <span class="keywordflow">if</span> (<span class="comment">/* DISABLES CODE */</span> (<span class="keyword">false</span>)) {</div>
|
|
<div class="line"><a id="l03600" name="l03600"></a><span class="lineno"> 3600</span> <span class="comment">// We ignore the multithreading parameter in this case.</span></div>
|
|
<div class="line"><a id="l03601" name="l03601"></a><span class="lineno"> 3601</span><span class="preprocessor">#else </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03602" name="l03602"></a><span class="lineno"> 3602</span> <span class="keywordflow">if</span> (params.num_workers() > 1 || params.interleave_search()) {</div>
|
|
<div class="line"><a id="l03603" name="l03603"></a><span class="lineno"> 3603</span> SolveCpModelParallel(new_cp_model_proto, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03604" name="l03604"></a><span class="lineno"> 3604</span><span class="preprocessor">#endif </span><span class="comment">// __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03605" name="l03605"></a><span class="lineno"> 3605</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03606" name="l03606"></a><span class="lineno"> 3606</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03607" name="l03607"></a><span class="lineno"> 3607</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, absl::StrFormat(<span class="stringliteral">"Starting to load the model at %.2fs"</span>,</div>
|
|
<div class="line"><a id="l03608" name="l03608"></a><span class="lineno"> 3608</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>()));</div>
|
|
<div class="line"><a id="l03609" name="l03609"></a><span class="lineno"> 3609</span> shared_response_manager->SetUpdateGapIntegralOnEachChange(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l03610" name="l03610"></a><span class="lineno"> 3610</span> LoadCpModel(new_cp_model_proto, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03611" name="l03611"></a><span class="lineno"> 3611</span> shared_response_manager->LoadDebugSolution(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03612" name="l03612"></a><span class="lineno"> 3612</span> </div>
|
|
<div class="line"><a id="l03613" name="l03613"></a><span class="lineno"> 3613</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03614" name="l03614"></a><span class="lineno"> 3614</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, absl::StrFormat(<span class="stringliteral">"Starting sequential search at %.2fs"</span>,</div>
|
|
<div class="line"><a id="l03615" name="l03615"></a><span class="lineno"> 3615</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>()));</div>
|
|
<div class="line"><a id="l03616" name="l03616"></a><span class="lineno"> 3616</span> <span class="keywordflow">if</span> (params.repair_hint()) {</div>
|
|
<div class="line"><a id="l03617" name="l03617"></a><span class="lineno"> 3617</span> MinimizeL1DistanceWithHint(new_cp_model_proto, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03618" name="l03618"></a><span class="lineno"> 3618</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l03619" name="l03619"></a><span class="lineno"> 3619</span> QuickSolveWithHint(new_cp_model_proto, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03620" name="l03620"></a><span class="lineno"> 3620</span> }</div>
|
|
<div class="line"><a id="l03621" name="l03621"></a><span class="lineno"> 3621</span> SolveLoadedCpModel(new_cp_model_proto, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03622" name="l03622"></a><span class="lineno"> 3622</span> </div>
|
|
<div class="line"><a id="l03623" name="l03623"></a><span class="lineno"> 3623</span> <span class="comment">// Sequential logging of LP statistics.</span></div>
|
|
<div class="line"><a id="l03624" name="l03624"></a><span class="lineno"> 3624</span> <span class="keywordflow">if</span> (logger->LoggingIsEnabled()) {</div>
|
|
<div class="line"><a id="l03625" name="l03625"></a><span class="lineno"> 3625</span> <span class="keyword">const</span> <span class="keyword">auto</span>& lps =</div>
|
|
<div class="line"><a id="l03626" name="l03626"></a><span class="lineno"> 3626</span> *<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LinearProgrammingConstraintCollection>();</div>
|
|
<div class="line"><a id="l03627" name="l03627"></a><span class="lineno"> 3627</span> <span class="keywordflow">if</span> (!lps.empty()) {</div>
|
|
<div class="line"><a id="l03628" name="l03628"></a><span class="lineno"> 3628</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03629" name="l03629"></a><span class="lineno"> 3629</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>* lp : lps) {</div>
|
|
<div class="line"><a id="l03630" name="l03630"></a><span class="lineno"> 3630</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, lp->Statistics());</div>
|
|
<div class="line"><a id="l03631" name="l03631"></a><span class="lineno"> 3631</span> }</div>
|
|
<div class="line"><a id="l03632" name="l03632"></a><span class="lineno"> 3632</span> }</div>
|
|
<div class="line"><a id="l03633" name="l03633"></a><span class="lineno"> 3633</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l03634" name="l03634"></a><span class="lineno"> 3634</span> }</div>
|
|
<div class="line"><a id="l03635" name="l03635"></a><span class="lineno"> 3635</span> }</div>
|
|
<div class="line"><a id="l03636" name="l03636"></a><span class="lineno"> 3636</span> </div>
|
|
<div class="line"><a id="l03637" name="l03637"></a><span class="lineno"> 3637</span> <span class="keywordflow">return</span> shared_response_manager->GetResponse();</div>
|
|
<div class="line"><a id="l03638" name="l03638"></a><span class="lineno"> 3638</span>}</div>
|
|
<div class="line"><a id="l03639" name="l03639"></a><span class="lineno"> 3639</span> </div>
|
|
<div class="line"><a id="l03640" name="l03640"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5"> 3640</a></span>CpSolverResponse <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5">Solve</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>) {</div>
|
|
<div class="line"><a id="l03641" name="l03641"></a><span class="lineno"> 3641</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a id="l03642" name="l03642"></a><span class="lineno"> 3642</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03643" name="l03643"></a><span class="lineno"> 3643</span>}</div>
|
|
<div class="line"><a id="l03644" name="l03644"></a><span class="lineno"> 3644</span> </div>
|
|
<div class="line"><a id="l03645" name="l03645"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#af614bdef2c50e3b9d5806e32ec7ef4b2"> 3645</a></span>CpSolverResponse <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a291dbf6ff50fbc06e1e8cd27b2cc1b23">SolveWithParameters</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l03646" name="l03646"></a><span class="lineno"> 3646</span> <span class="keyword">const</span> SatParameters& params) {</div>
|
|
<div class="line"><a id="l03647" name="l03647"></a><span class="lineno"> 3647</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a id="l03648" name="l03648"></a><span class="lineno"> 3648</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4bd54ab16ebc1bd6fa80d1e23ab79adc">NewSatParameters</a>(params));</div>
|
|
<div class="line"><a id="l03649" name="l03649"></a><span class="lineno"> 3649</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03650" name="l03650"></a><span class="lineno"> 3650</span>}</div>
|
|
<div class="line"><a id="l03651" name="l03651"></a><span class="lineno"> 3651</span> </div>
|
|
<div class="line"><a id="l03652" name="l03652"></a><span class="lineno"> 3652</span><span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a id="l03653" name="l03653"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a291dbf6ff50fbc06e1e8cd27b2cc1b23"> 3653</a></span>CpSolverResponse <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a291dbf6ff50fbc06e1e8cd27b2cc1b23">SolveWithParameters</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a id="l03654" name="l03654"></a><span class="lineno"> 3654</span> <span class="keyword">const</span> std::string& params) {</div>
|
|
<div class="line"><a id="l03655" name="l03655"></a><span class="lineno"> 3655</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a id="l03656" name="l03656"></a><span class="lineno"> 3656</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a4bd54ab16ebc1bd6fa80d1e23ab79adc">NewSatParameters</a>(params));</div>
|
|
<div class="line"><a id="l03657" name="l03657"></a><span class="lineno"> 3657</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l03658" name="l03658"></a><span class="lineno"> 3658</span>}</div>
|
|
<div class="line"><a id="l03659" name="l03659"></a><span class="lineno"> 3659</span><span class="preprocessor">#endif </span><span class="comment">// !__PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a id="l03660" name="l03660"></a><span class="lineno"> 3660</span> </div>
|
|
<div class="line"><a id="l03661" name="l03661"></a><span class="lineno"> 3661</span>} <span class="comment">// namespace sat</span></div>
|
|
<div class="line"><a id="l03662" name="l03662"></a><span class="lineno"> 3662</span>} <span class="comment">// namespace operations_research</span></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
|
|
<div class="ttc" id="abase_2file_8h_html"><div class="ttname"><a href="base_2file_8h.html">file.h</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a9f96ed9f06763f0821fdbb4d29031d8d"><div class="ttname"><a href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a></div><div class="ttdeci">#define CHECK_OK(x)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00044">base/logging.h:44</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00704">base/logging.h:704</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c"><div class="ttname"><a href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a></div><div class="ttdeci">#define CHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00705">base/logging.h:705</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00984">base/logging.h:984</a></div></div>
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<div class="ttc" id="aclass_dense_connected_components_finder_html"><div class="ttname"><a href="class_dense_connected_components_finder.html">DenseConnectedComponentsFinder</a></div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8h_source.html#l00081">connected_components.h:81</a></div></div>
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<div class="ttc" id="aclass_dense_connected_components_finder_html_a428ab6b7c944afe33bd86a6a1ae7e668"><div class="ttname"><a href="class_dense_connected_components_finder.html#a428ab6b7c944afe33bd86a6a1ae7e668">DenseConnectedComponentsFinder::AddEdge</a></div><div class="ttdeci">bool AddEdge(int node1, int node2)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00096">connected_components.cc:96</a></div></div>
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<div class="ttc" id="aclass_dense_connected_components_finder_html_a74aadb96adc6f37110393d5fbd2279c5"><div class="ttname"><a href="class_dense_connected_components_finder.html#a74aadb96adc6f37110393d5fbd2279c5">DenseConnectedComponentsFinder::GetComponentIds</a></div><div class="ttdeci">std::vector< int > GetComponentIds()</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00149">connected_components.cc:149</a></div></div>
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<div class="ttc" id="aclass_dense_connected_components_finder_html_ad8e718920ab9683d39af650d714cffe1"><div class="ttname"><a href="class_dense_connected_components_finder.html#ad8e718920ab9683d39af650d714cffe1">DenseConnectedComponentsFinder::SetNumberOfNodes</a></div><div class="ttdeci">void SetNumberOfNodes(int num_nodes)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00036">connected_components.cc:36</a></div></div>
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<div class="ttc" id="aclass_dense_connected_components_finder_html_af1a300e659dbc3041b1485f12855bd31"><div class="ttname"><a href="class_dense_connected_components_finder.html#af1a300e659dbc3041b1485f12855bd31">DenseConnectedComponentsFinder::GetNumberOfComponents</a></div><div class="ttdeci">int GetNumberOfComponents() const</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8h_source.html#l00099">connected_components.h:99</a></div></div>
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<div class="ttc" id="aclass_file_html"><div class="ttname"><a href="class_file.html">File</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00033">base/file.h:33</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291"><div class="ttname"><a href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">WallTimer::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00031">timer.h:31</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_aec56fe080959ecebec3feaed9dafde84"><div class="ttname"><a href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">WallTimer::Get</a></div><div class="ttdeci">double Get() const</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00045">timer.h:45</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html"><div class="ttname"><a href="classoperations__research_1_1_domain.html">operations_research::Domain</a></div><div class="ttdoc">We call domain any subset of Int64 = [kint64min, kint64max].</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00081">sorted_interval_list.h:81</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a19c380b03cea21d7ac7325136a131ff0"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a19c380b03cea21d7ac7325136a131ff0">operations_research::Domain::ToString</a></div><div class="ttdeci">std::string ToString() const</div><div class="ttdoc">Returns a compact string of a vector of intervals like "[1,4][6][10,20]".</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00630">sorted_interval_list.cc:630</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_sigint_handler_html"><div class="ttname"><a href="classoperations__research_1_1_sigint_handler.html">operations_research::SigintHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="sigint_8h_source.html#l00021">sigint.h:21</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html">operations_research::SolverLogger</a></div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00033">util/logging.h:33</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html_ad4238e7273d93a1d0a2272d46660c254"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#ad4238e7273d93a1d0a2272d46660c254">operations_research::SolverLogger::EnableLogging</a></div><div class="ttdeci">void EnableLogging(bool enable)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00039">util/logging.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00106">time_limit.h:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_checker_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::sat::DratChecker::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00080">drat_checker.h:80</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_checker_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba6ce26a62afab55d7606ad4e92428b30c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba6ce26a62afab55d7606ad4e92428b30c">operations_research::sat::DratChecker::UNKNOWN</a></div><div class="ttdeci">@ UNKNOWN</div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00081">drat_checker.h:81</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_checker_html_a67a0db04d321a74b7e7fcfd3f1a3f70bacf0713491d9b887eaccfd80c18abca47"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70bacf0713491d9b887eaccfd80c18abca47">operations_research::sat::DratChecker::VALID</a></div><div class="ttdeci">@ VALID</div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00082">drat_checker.h:82</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_checker_html_a67a0db04d321a74b7e7fcfd3f1a3f70baef2863a469df3ea6871d640e3669a2f2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70baef2863a469df3ea6871d640e3669a2f2">operations_research::sat::DratChecker::INVALID</a></div><div class="ttdeci">@ INVALID</div><div class="ttdef"><b>Definition:</b> <a href="drat__checker_8h_source.html#l00083">drat_checker.h:83</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a03f5ae0ce9819070959d97a8ba3fafeb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a03f5ae0ce9819070959d97a8ba3fafeb">operations_research::sat::Literal::Literal</a></div><div class="ttdeci">Literal(int signed_value)</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00071">sat_base.h:71</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00042">sat/model.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html_a7fac5de5604ea8668bc414536e8aa7ee"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">operations_research::sat::Model::Register</a></div><div class="ttdeci">void Register(T *non_owned_class)</div><div class="ttdoc">Register a non-owned class that will be "singleton" in the model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00173">sat/model.h:173</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html_afb0c03e2a6201677c266f8a7eb77c2dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">operations_research::sat::Model::GetOrCreate</a></div><div class="ttdeci">T * GetOrCreate()</div><div class="ttdoc">Returns an object of type T that is unique to this model (like a "local" singleton).</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00110">sat/model.h:110</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_random_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model_random_generator.html">operations_research::sat::ModelRandomGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00115">sat/util.h:115</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_shared_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model_shared_time_limit.html">operations_research::sat::ModelSharedTimeLimit</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00144">sat/util.h:144</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::sat::SatSolver::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00183">sat_solver.h:183</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">operations_research::sat::SatSolver::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00186">sat_solver.h:186</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">operations_research::sat::SatSolver::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00185">sat_solver.h:185</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">operations_research::sat::SatSolver::LIMIT_REACHED</a></div><div class="ttdeci">@ LIMIT_REACHED</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00187">sat_solver.h:187</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70bae5ba802809eb747ea486ca3fae32a885"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae5ba802809eb747ea486ca3fae32a885">operations_research::sat::SatSolver::ASSUMPTIONS_UNSAT</a></div><div class="ttdeci">@ ASSUMPTIONS_UNSAT</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00184">sat_solver.h:184</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html">operations_research::sat::SharedResponseManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00181">synchronization.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a4e384fc1008faf07788b158de9a28f6d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d">operations_research::sat::SharedResponseManager::set_dump_prefix</a></div><div class="ttdeci">void set_dump_prefix(const std::string &dump_prefix)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00331">synchronization.h:331</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a976be4568cddb91edff011f3390104e1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">operations_research::sat::SharedResponseManager::NewSolution</a></div><div class="ttdeci">void NewSolution(const CpSolverResponse &response, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00514">synchronization.cc:514</a></div></div>
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<div class="ttc" id="aclause_8h_html"><div class="ttname"><a href="clause_8h.html">clause.h</a></div></div>
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<div class="ttc" id="acleanup_8h_html"><div class="ttname"><a href="cleanup_8h.html">cleanup.h</a></div></div>
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<div class="ttc" id="aconnected__components_8h_html"><div class="ttname"><a href="connected__components_8h.html">connected_components.h</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
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<div class="ttc" id="acp__model__checker_8h_html"><div class="ttname"><a href="cp__model__checker_8h.html">cp_model_checker.h</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00118">cp_model_fz_solver.cc:118</a></div></div>
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<div class="ttc" id="acp__model__lns_8h_html"><div class="ttname"><a href="cp__model__lns_8h.html">cp_model_lns.h</a></div></div>
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<div class="ttc" id="acp__model__loader_8h_html"><div class="ttname"><a href="cp__model__loader_8h.html">cp_model_loader.h</a></div></div>
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<div class="ttc" id="acp__model__mapping_8h_html"><div class="ttname"><a href="cp__model__mapping_8h.html">cp_model_mapping.h</a></div></div>
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<div class="ttc" id="acp__model__postsolve_8h_html"><div class="ttname"><a href="cp__model__postsolve_8h.html">cp_model_postsolve.h</a></div></div>
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<div class="ttc" id="acp__model__presolve_8h_html"><div class="ttname"><a href="cp__model__presolve_8h.html">cp_model_presolve.h</a></div></div>
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<div class="ttc" id="acp__model__search_8h_html"><div class="ttname"><a href="cp__model__search_8h.html">cp_model_search.h</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a06dad0852d85b0686e01c084207c03a7"><div class="ttname"><a href="cp__model__solver_8cc.html#a06dad0852d85b0686e01c084207c03a7">bounds</a></div><div class="ttdeci">SharedBoundsManager * bounds</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02051">cp_model_solver.cc:2051</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a21696c8707868a3d522d1bee261f4185"><div class="ttname"><a href="cp__model__solver_8cc.html#a21696c8707868a3d522d1bee261f4185">clauses</a></div><div class="ttdeci">SharedClausesManager * clauses</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02056">cp_model_solver.cc:2056</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a2a2278bd1fb787198e496b7d443a05e8"><div class="ttname"><a href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a></div><div class="ttdeci">SharedRelaxationSolutionRepository * relaxation_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02053">cp_model_solver.cc:2053</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a5c52f4ef9698913ed16c67a4a6cec606"><div class="ttname"><a href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a></div><div class="ttdeci">SharedLPSolutionRepository * lp_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02054">cp_model_solver.cc:2054</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02048">cp_model_solver.cc:2048</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6bc4d701f71d498e82a3d45adde9a2e4"><div class="ttname"><a href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a></div><div class="ttdeci">SharedIncompleteSolutionManager * incomplete_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02055">cp_model_solver.cc:2055</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ccbde9562be7614b1a161781526a103"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ccbde9562be7614b1a161781526a103">global_model</a></div><div class="ttdeci">Model * global_model</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02057">cp_model_solver.cc:2057</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_aa6b6aa5316ec3a7e0c3ca010c084a747"><div class="ttname"><a href="cp__model__solver_8cc.html#aa6b6aa5316ec3a7e0c3ca010c084a747">ABSL_FLAG</a></div><div class="ttdeci">ABSL_FLAG(std::string, cp_model_dump_prefix, "/tmp/", "Prefix filename for all dumped files")</div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02052">cp_model_solver.cc:2052</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_ace0951799e72ee99fc07d5e509bc7cbf"><div class="ttname"><a href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a></div><div class="ttdeci">WallTimer * wall_timer</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02049">cp_model_solver.cc:2049</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_aec8af5c1be4e1b6d4330e1161028de21"><div class="ttname"><a href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a></div><div class="ttdeci">ModelSharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02050">cp_model_solver.cc:2050</a></div></div>
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<div class="ttc" id="acp__model__solver_8h_html"><div class="ttname"><a href="cp__model__solver_8h.html">cp_model_solver.h</a></div></div>
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<div class="ttc" id="acp__model__symmetries_8h_html"><div class="ttname"><a href="cp__model__symmetries_8h.html">cp_model_symmetries.h</a></div></div>
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<div class="ttc" id="acp__model__utils_8h_html"><div class="ttname"><a href="cp__model__utils_8h.html">cp_model_utils.h</a></div></div>
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<div class="ttc" id="acuts_8h_html"><div class="ttname"><a href="cuts_8h.html">cuts.h</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="adrat__checker_8h_html"><div class="ttname"><a href="drat__checker_8h.html">drat_checker.h</a></div></div>
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<div class="ttc" id="adrat__proof__handler_8h_html"><div class="ttname"><a href="drat__proof__handler_8h.html">drat_proof_handler.h</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="afeasibility__pump_8h_html"><div class="ttname"><a href="feasibility__pump_8h.html">feasibility_pump.h</a></div></div>
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<div class="ttc" id="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00514">gurobi_interface.cc:514</a></div></div>
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<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
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<div class="ttc" id="ainteger__expr_8h_html"><div class="ttname"><a href="integer__expr_8h.html">integer_expr.h</a></div></div>
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<div class="ttc" id="ainteger__search_8h_html"><div class="ttname"><a href="integer__search_8h.html">integer_search.h</a></div></div>
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<div class="ttc" id="alb__tree__search_8h_html"><div class="ttname"><a href="lb__tree__search_8h.html">lb_tree_search.h</a></div></div>
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<div class="ttc" id="alinear__programming__constraint_8h_html"><div class="ttname"><a href="linear__programming__constraint_8h.html">linear_programming_constraint.h</a></div></div>
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<div class="ttc" id="alinear__relaxation_8h_html"><div class="ttname"><a href="linear__relaxation_8h.html">linear_relaxation.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="amacros_8h_html_a7f536a3b33f9bed8f75734e035d30725"><div class="ttname"><a href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a></div><div class="ttdeci">const bool DEBUG_MODE</div><div class="ttdef"><b>Definition:</b> <a href="macros_8h_source.html#l00024">macros.h:24</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="amax__hs_8h_html"><div class="ttname"><a href="max__hs_8h.html">max_hs.h</a></div></div>
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<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
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<div class="ttc" id="anamespaceabsl_html_a01547ab811df98c71089487f394ec259"><div class="ttname"><a href="namespaceabsl.html#a01547ab811df98c71089487f394ec259">absl::MakeCleanup</a></div><div class="ttdeci">absl::Cleanup< absl::decay_t< Callback > > MakeCleanup(Callback &&callback)</div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00125">cleanup.h:125</a></div></div>
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<div class="ttc" id="anamespacefile_html"><div class="ttname"><a href="namespacefile.html">file</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00141">base/file.cc:141</a></div></div>
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<div class="ttc" id="anamespacefile_html_a1abdf766bb120d38e7a4dfa200972681"><div class="ttname"><a href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a></div><div class="ttdeci">int Defaults()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00120">base/file.h:120</a></div></div>
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<div class="ttc" id="anamespacefile_html_a9af024752012188b3269e30b0d9021c4"><div class="ttname"><a href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a></div><div class="ttdeci">absl::Status SetTextProto(const absl::string_view &filename, const google::protobuf::Message &proto, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00285">base/file.cc:285</a></div></div>
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<div class="ttc" id="anamespacefile_html_acba1e524f6f44768144843be45405223"><div class="ttname"><a href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a></div><div class="ttdeci">absl::Status Open(const absl::string_view &filename, const absl::string_view &mode, File **f, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00142">base/file.cc:142</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a795ebdb62731938c8c31b221f0f074b4"><div class="ttname"><a href="namespacegtl.html#a795ebdb62731938c8c31b221f0f074b4">gtl::FindWithDefault</a></div><div class="ttdeci">const Collection::value_type::second_type & FindWithDefault(const Collection &collection, const typename Collection::value_type::first_type &key, const typename Collection::value_type::second_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00029">map_util.h:29</a></div></div>
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<div class="ttc" id="anamespacegtl_html_aae28e97bd1fa93cb0032642550da7455"><div class="ttname"><a href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a></div><div class="ttdeci">bool ContainsKey(const Collection &collection, const Key &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00200">map_util.h:200</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a081a97fea7610aefc53d71d4f331e184"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a081a97fea7610aefc53d71d4f331e184">operations_research::sat::WeightedSumGreaterOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> WeightedSumGreaterOrEqual(const std::vector< IntegerVariable > &vars, const VectorInt &coefficients, int64_t lower_bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer__expr_8h_source.html#l00474">integer_expr.h:474</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0a9777d760241f28010442a2c01f45e0"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">operations_research::sat::NewFeasibleSolutionObserver</a></div><div class="ttdeci">std::function< void(Model *)> NewFeasibleSolutionObserver(const std::function< void(const CpSolverResponse &response)> &observer)</div><div class="ttdoc">Creates a solution observer with the model with model.Add(NewFeasibleSolutionObserver([](response){....</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00774">cp_model_solver.cc:774</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0b26de551c3b5b1831568f623f66cb16"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0b26de551c3b5b1831568f623f66cb16">operations_research::sat::DeterministicLoop</a></div><div class="ttdeci">void DeterministicLoop(const std::vector< std::unique_ptr< SubSolver > > &subsolvers, int num_threads, int batch_size)</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8cc_source.html#l00093">subsolver.cc:93</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0fc24fd6e8320e397bb6700b009a8f3b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0fc24fd6e8320e397bb6700b009a8f3b">operations_research::sat::DetectAndAddSymmetryToProto</a></div><div class="ttdeci">void DetectAndAddSymmetryToProto(const SatParameters &params, CpModelProto *proto, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__symmetries_8cc_source.html#l00564">cp_model_symmetries.cc:564</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a10826704577008404187a36808daa739"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a10826704577008404187a36808daa739">operations_research::sat::ComputeInnerObjective</a></div><div class="ttdeci">int64_t ComputeInnerObjective(const CpObjectiveProto &objective, const CpSolverResponse &response)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00512">cp_model_utils.cc:512</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">operations_research::sat::kMaxIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType >::max() - 1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a166c4d1be17bdfcad1986b1f72c49e52"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a166c4d1be17bdfcad1986b1f72c49e52">operations_research::sat::RestrictObjectiveDomainWithBinarySearch</a></div><div class="ttdeci">void RestrictObjectiveDomainWithBinarySearch(IntegerVariable objective_var, const std::function< void()> &feasible_solution_observer, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l01109">optimization.cc:1109</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1684fe34484d78336d3cdac55ec6de57"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">operations_research::sat::NewSatParameters</a></div><div class="ttdeci">std::function< SatParameters(Model *)> NewSatParameters(const std::string &params)</div><div class="ttdoc">Creates parameters for the solver, which you can add to the model with.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00783">cp_model_solver.cc:783</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a17b20b0845d9e02829d417294aded36a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">operations_research::sat::ResetAndSolveIntegerProblem</a></div><div class="ttdeci">SatSolver::Status ResetAndSolveIntegerProblem(const std::vector< Literal > &assumptions, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8cc_source.html#l01062">integer_search.cc:1062</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1a6eefe7a5bfd8bdf83407c9e6af56f5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1a6eefe7a5bfd8bdf83407c9e6af56f5">operations_research::sat::LoadVariables</a></div><div class="ttdeci">void LoadVariables(const CpModelProto &model_proto, bool view_all_booleans_as_integers, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00121">cp_model_loader.cc:121</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1b192124133b53f1445f7f6d4708b332"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">operations_research::sat::CpSolverResponseStats</a></div><div class="ttdeci">std::string CpSolverResponseStats(const CpSolverResponse &response, bool has_objective)</div><div class="ttdoc">Returns a string with some statistics on the solver response.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00496">cp_model_solver.cc:496</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1c3fa75911c74ce485e62814484c7ae7"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1c3fa75911c74ce485e62814484c7ae7">operations_research::sat::LoadConstraint</a></div><div class="ttdeci">bool LoadConstraint(const ConstraintProto &ct, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l01261">cp_model_loader.cc:1261</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1d467595ed8fe5b85dc95328ee1c2770"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">operations_research::sat::UsedVariables</a></div><div class="ttdeci">std::vector< int > UsedVariables(const ConstraintProto &ct)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00437">cp_model_utils.cc:437</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1f03a05fdb422a45d174be99780a6f9d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1f03a05fdb422a45d174be99780a6f9d">operations_research::sat::ConvertCpModelProtoToMPModelProto</a></div><div class="ttdeci">bool ConvertCpModelProtoToMPModelProto(const CpModelProto &input, MPModelProto *output)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00981">sat/lp_utils.cc:981</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1ff712b32e44ffd2e7f40042330bf2ad"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1ff712b32e44ffd2e7f40042330bf2ad">operations_research::sat::UnscaleObjectiveValue</a></div><div class="ttdeci">double UnscaleObjectiveValue(const CpObjectiveProto &proto, double value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00152">cp_model_utils.h:152</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a217338425de4389014563f1f24331713"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">operations_research::sat::RefIsPositive</a></div><div class="ttdeci">bool RefIsPositive(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00036">cp_model_utils.h:36</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a22b0505c9cc93287336761fd9144d108"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a22b0505c9cc93287336761fd9144d108">operations_research::sat::ValidateParameters</a></div><div class="ttdeci">std::string ValidateParameters(const SatParameters &params)</div><div class="ttdef"><b>Definition:</b> <a href="parameters__validation_8cc_source.html#l00023">parameters_validation.cc:23</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a238dd948ee65a553d4617753c0d44d7b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a238dd948ee65a553d4617753c0d44d7b">operations_research::sat::ExtractElementEncoding</a></div><div class="ttdeci">void ExtractElementEncoding(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00622">cp_model_loader.cc:622</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a291dbf6ff50fbc06e1e8cd27b2cc1b23"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a291dbf6ff50fbc06e1e8cd27b2cc1b23">operations_research::sat::SolveWithParameters</a></div><div class="ttdeci">CpSolverResponse SolveWithParameters(const CpModelProto &model_proto, const std::string &params)</div><div class="ttdoc">Solves the given CpModelProto with the given sat parameters as string in JSon format,...</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03653">cp_model_solver.cc:3653</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a2d21677eccfe4c93af71c0892235237e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a2d21677eccfe4c93af71c0892235237e">operations_research::sat::ValidateInputCpModel</a></div><div class="ttdeci">std::string ValidateInputCpModel(const SatParameters &params, const CpModelProto &model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__checker_8cc_source.html#l01008">cp_model_checker.cc:1008</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a2d7fdf5a1e3a1a9f3c4b893227f2f523"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a2d7fdf5a1e3a1a9f3c4b893227f2f523">operations_research::sat::WeightedSumLowerOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> WeightedSumLowerOrEqual(const std::vector< IntegerVariable > &vars, const VectorInt &coefficients, int64_t upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer__expr_8h_source.html#l00367">integer_expr.h:367</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3ad49ae9019c528851f6fd084479a567"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3ad49ae9019c528851f6fd084479a567">operations_research::sat::LowerBound</a></div><div class="ttdeci">std::function< int64_t(const Model &)> LowerBound(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01663">integer.h:1663</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4699c7fe17ad6e3cbf4bc40bc0c4be59"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4699c7fe17ad6e3cbf4bc40bc0c4be59">operations_research::sat::PostsolveResponse</a></div><div class="ttdeci">void PostsolveResponse(const int64_t num_variables_in_original_model, const CpModelProto &mapping_proto, const std::vector< int > &postsolve_mapping, std::vector< int64_t > *solution)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00309">cp_model_postsolve.cc:309</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4af0100d434de55ff841156fdac6d180"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4af0100d434de55ff841156fdac6d180">operations_research::sat::LoadBooleanSymmetries</a></div><div class="ttdeci">void LoadBooleanSymmetries(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00263">cp_model_loader.cc:263</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4bd54ab16ebc1bd6fa80d1e23ab79adc"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4bd54ab16ebc1bd6fa80d1e23ab79adc">operations_research::sat::NewSatParameters</a></div><div class="ttdeci">std::function< SatParameters(Model *)> NewSatParameters(const sat::SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00794">cp_model_solver.cc:794</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">operations_research::sat::kNoIntegerVariable</a></div><div class="ttdeci">const IntegerVariable kNoIntegerVariable(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5c07862681284286ab67401730668f38"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38">operations_research::sat::FollowHint</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> FollowHint(const std::vector< BooleanOrIntegerVariable > &vars, const std::vector< IntegerValue > &values, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8cc_source.html#l00597">integer_search.cc:597</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5c75377277a8fab8caa3d53c17ecf7fd"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5c75377277a8fab8caa3d53c17ecf7fd">operations_research::sat::NonDeterministicLoop</a></div><div class="ttdeci">void NonDeterministicLoop(const std::vector< std::unique_ptr< SubSolver > > &subsolvers, int num_threads)</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8cc_source.html#l00125">subsolver.cc:125</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a64664019450638ab96732f0b59ea015b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a64664019450638ab96732f0b59ea015b">operations_research::sat::ConstantIntegerVariable</a></div><div class="ttdeci">std::function< IntegerVariable(Model *)> ConstantIntegerVariable(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01614">integer.h:1614</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a6c7910e5ccb41edc8f442a682890cb31"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a6c7910e5ccb41edc8f442a682890cb31">operations_research::sat::ScaleObjectiveValue</a></div><div class="ttdeci">double ScaleObjectiveValue(const CpObjectiveProto &proto, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00130">cp_model_utils.h:130</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7ac1d9dc3254d77ade7bdbf984884b7e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">operations_research::sat::ConfigureSearchHeuristics</a></div><div class="ttdeci">void ConfigureSearchHeuristics(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8cc_source.html#l00655">integer_search.cc:655</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7f1ac774d4646a83631f8117f4ea03f5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">operations_research::sat::PositiveVariable</a></div><div class="ttdeci">IntegerVariable PositiveVariable(IntegerVariable i)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00149">integer.h:149</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a8e28f522e1d211cabbdcff4fd3028593"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a8e28f522e1d211cabbdcff4fd3028593">operations_research::sat::CopyEverythingExceptVariablesAndConstraintsFieldsIntoContext</a></div><div class="ttdeci">void CopyEverythingExceptVariablesAndConstraintsFieldsIntoContext(const CpModelProto &in_model, PresolveContext *context)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__presolve_8cc_source.html#l08188">cp_model_presolve.cc:8188</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a96eab70b5ead3894afac4d4fff0fd984"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a96eab70b5ead3894afac4d4fff0fd984">operations_research::sat::Value</a></div><div class="ttdeci">std::function< int64_t(const Model &)> Value(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01683">integer.h:1683</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9d2f0d4258ace84d7ddf7e886c72b913"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">operations_research::sat::CpModelStats</a></div><div class="ttdeci">std::string CpModelStats(const CpModelProto &model_proto)</div><div class="ttdoc">Returns a string with some statistics on the given CpModelProto.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00177">cp_model_solver.cc:177</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9d3cf6d279ee2825e1568058fa54d5b6"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9d3cf6d279ee2825e1568058fa54d5b6">operations_research::sat::GetDiverseSetOfParameters</a></div><div class="ttdeci">std::vector< SatParameters > GetDiverseSetOfParameters(const SatParameters &base_params, const CpModelProto &cp_model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00416">cp_model_search.cc:416</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9e815eb2193f1bb6903274c7f0859cd7"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9e815eb2193f1bb6903274c7f0859cd7">operations_research::sat::UpperBound</a></div><div class="ttdeci">std::function< int64_t(const Model &)> UpperBound(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01669">integer.h:1669</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aa3361a48335b9de95fcefa9dc5dc3e22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aa3361a48335b9de95fcefa9dc5dc3e22">operations_research::sat::DetectOptionalVariables</a></div><div class="ttdeci">void DetectOptionalVariables(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00763">cp_model_loader.cc:763</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aa9299de04255b99318446500127d79e1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">operations_research::sat::SolveCpModel</a></div><div class="ttdeci">CpSolverResponse SolveCpModel(const CpModelProto &model_proto, Model *model)</div><div class="ttdoc">Solves the given CpModelProto.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03055">cp_model_solver.cc:3055</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">operations_research::sat::NegationOf</a></div><div class="ttdeci">std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00047">integer.cc:47</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab052eee1f91ef47d1e5a162c2dfdd355"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">operations_research::sat::ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a></div><div class="ttdeci">std::function< void(Model *)> ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack()</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l02078">integer.cc:2078</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab1240060466ba48a36a4b36379bce26a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">operations_research::sat::ReadDomainFromProto</a></div><div class="ttdeci">Domain ReadDomainFromProto(const ProtoWithDomain &proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00104">cp_model_utils.h:104</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab186c7ad5f0930615f096f56e1499d30"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab186c7ad5f0930615f096f56e1499d30">operations_research::sat::NewIntegerVariable</a></div><div class="ttdeci">std::function< IntegerVariable(Model *)> NewIntegerVariable(int64_t lb, int64_t ub)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01622">integer.h:1622</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab76a35e6ff810ad9ea8b58c7c11606cb"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab76a35e6ff810ad9ea8b58c7c11606cb">operations_research::sat::MinimizeCoreWithPropagation</a></div><div class="ttdeci">void MinimizeCoreWithPropagation(TimeLimit *limit, SatSolver *solver, std::vector< Literal > *core)</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00223">optimization.cc:223</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_abc0cd8ddeca98a0ead5ad406a8ae3a69"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#abc0cd8ddeca98a0ead5ad406a8ae3a69">operations_research::sat::PresolveCpModel</a></div><div class="ttdeci">CpSolverStatus PresolveCpModel(PresolveContext *context, std::vector< int > *postsolve_mapping)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__presolve_8cc_source.html#l08219">cp_model_presolve.cc:8219</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ac72c9c226ad6604afc77b5392c60c086"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ac72c9c226ad6604afc77b5392c60c086">operations_research::sat::SolveWithPresolve</a></div><div class="ttdeci">SatSolver::Status SolveWithPresolve(std::unique_ptr< SatSolver > *solver, TimeLimit *time_limit, std::vector< bool > *solution, DratProofHandler *drat_proof_handler, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="simplification_8cc_source.html#l01259">simplification.cc:1259</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acbee1df94bc06fb7ca19708cd82a21e3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acbee1df94bc06fb7ca19708cd82a21e3">operations_research::sat::AddFullEncodingFromSearchBranching</a></div><div class="ttdeci">void AddFullEncodingFromSearchBranching(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00842">cp_model_loader.cc:842</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acc85f5ac2f10fe267e2f0b6f1ae7b93f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acc85f5ac2f10fe267e2f0b6f1ae7b93f">operations_research::sat::ImportModelWithBasicPresolveIntoContext</a></div><div class="ttdeci">bool ImportModelWithBasicPresolveIntoContext(const CpModelProto &in_model, PresolveContext *context)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__presolve_8cc_source.html#l08176">cp_model_presolve.cc:8176</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acdbc8ad33149d45a6e6fcd8b72fd68ed"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">operations_research::sat::PositiveRef</a></div><div class="ttdeci">int PositiveRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00035">cp_model_utils.h:35</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acf5b1cbffc494f14e8b87c672d5dda5f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">operations_research::sat::ConstraintCaseName</a></div><div class="ttdeci">std::string ConstraintCaseName(ConstraintProto::ConstraintCase constraint_case)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00383">cp_model_utils.cc:383</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ad78bf6fcea4b54f750e2457e47b4f46a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ad78bf6fcea4b54f750e2457e47b4f46a">operations_research::sat::ExtractEncoding</a></div><div class="ttdeci">void ExtractEncoding(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00353">cp_model_loader.cc:353</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_adfbeb7391a9578a4cdba60c46b05e19e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#adfbeb7391a9578a4cdba60c46b05e19e">operations_research::sat::PropagateEncodingFromEquivalenceRelations</a></div><div class="ttdeci">void PropagateEncodingFromEquivalenceRelations(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00679">cp_model_loader.cc:679</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae0803b8198728cd4f6e58498d9c60091"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">operations_research::sat::NegatedRef</a></div><div class="ttdeci">int NegatedRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00034">cp_model_utils.h:34</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae73633094e7b161547cec3a710fc5cae"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae73633094e7b161547cec3a710fc5cae">operations_research::sat::SolutionIsFeasible</a></div><div class="ttdeci">bool SolutionIsFeasible(const CpModelProto &model, const std::vector< int64_t > &variable_values, const CpModelProto *mapping_proto, const std::vector< int > *postsolve_mapping)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__checker_8cc_source.html#l01477">cp_model_checker.cc:1477</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aef9a9e314dd32a66b7540b0ae367eb4f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aef9a9e314dd32a66b7540b0ae367eb4f">operations_research::sat::ConstructSearchStrategy</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> ConstructSearchStrategy(const CpModelProto &cp_model_proto, const std::vector< IntegerVariable > &variable_mapping, IntegerVariable objective_var, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00314">cp_model_search.cc:314</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_af68ee38b3d32ecb81072b0cc4d28226b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#af68ee38b3d32ecb81072b0cc4d28226b">operations_research::sat::ComputeLinearRelaxation</a></div><div class="ttdeci">LinearRelaxation ComputeLinearRelaxation(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l01481">linear_relaxation.cc:1481</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_af904018d9a1c9983624b1ce0331f2bf5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5">operations_research::sat::Solve</a></div><div class="ttdeci">CpSolverResponse Solve(const CpModelProto &model_proto)</div><div class="ttdoc">Solves the given CpModelProto and returns an instance of CpSolverResponse.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03640">cp_model_solver.cc:3640</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_afb3c98e67e212632d35259e550235d0a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#afb3c98e67e212632d35259e550235d0a">operations_research::sat::InstrumentSearchStrategy</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> InstrumentSearchStrategy(const CpModelProto &cp_model_proto, const std::vector< IntegerVariable > &variable_mapping, const std::function< BooleanOrIntegerLiteral()> &instrumented_strategy, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00355">cp_model_search.cc:355</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_affe1669ec9e0e7cbd54e895bbbff43af"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#affe1669ec9e0e7cbd54e895bbbff43af">operations_research::sat::MinimizeIntegerVariableWithLinearScanAndLazyEncoding</a></div><div class="ttdeci">SatSolver::Status MinimizeIntegerVariableWithLinearScanAndLazyEncoding(IntegerVariable objective_var, const std::function< void()> &feasible_solution_observer, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l01075">optimization.cc:1075</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a4df6ae76d97136bed083af4020ec2d8a"><div class="ttname"><a href="namespaceoperations__research.html#a4df6ae76d97136bed083af4020ec2d8a">operations_research::OrToolsMinorVersion</a></div><div class="ttdeci">int OrToolsMinorVersion()</div><div class="ttdef"><b>Definition:</b> <a href="version_8cc_source.html#l00022">version.cc:22</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6743e8c90bbb85a1017486ed70c7d29b"><div class="ttname"><a href="namespaceoperations__research.html#a6743e8c90bbb85a1017486ed70c7d29b">operations_research::random_engine_t</a></div><div class="ttdeci">std::mt19937 random_engine_t</div><div class="ttdef"><b>Definition:</b> <a href="random__engine_8h_source.html#l00023">random_engine.h:23</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aba32b1f1ee3ffb4194aa8af155f827cd"><div class="ttname"><a href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">operations_research::ProtobufDebugString</a></div><div class="ttdeci">std::string ProtobufDebugString(const P &message)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00029">port/proto_utils.h:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac0a730ed6598c5f34c53101c32de01e9"><div class="ttname"><a href="namespaceoperations__research.html#ac0a730ed6598c5f34c53101c32de01e9">operations_research::OrToolsMajorVersion</a></div><div class="ttdeci">int OrToolsMajorVersion()</div><div class="ttdef"><b>Definition:</b> <a href="version_8cc_source.html#l00020">version.cc:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac4fd49d9d7fb97230e30cc270822aa0f"><div class="ttname"><a href="namespaceoperations__research.html#ac4fd49d9d7fb97230e30cc270822aa0f">operations_research::OrToolsPatchVersion</a></div><div class="ttdeci">int OrToolsPatchVersion()</div><div class="ttdef"><b>Definition:</b> <a href="version_8cc_source.html#l00024">version.cc:24</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00089">optimization.cc:89</a></div></div>
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<div class="ttc" id="aoptimization_8h_html"><div class="ttname"><a href="optimization_8h.html">optimization.h</a></div></div>
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<div class="ttc" id="aparameters__validation_8h_html"><div class="ttname"><a href="parameters__validation_8h.html">parameters_validation.h</a></div></div>
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<div class="ttc" id="aparser_8yy_8cc_html_a33e91cd0cef6786e9e3a27ac67707207"><div class="ttname"><a href="parser_8yy_8cc.html#a33e91cd0cef6786e9e3a27ac67707207">if</a></div><div class="ttdeci">if(!yyg->yy_init)</div><div class="ttdef"><b>Definition:</b> <a href="parser_8yy_8cc_source.html#l00965">parser.yy.cc:965</a></div></div>
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<div class="ttc" id="aparser_8yy_8cc_html_a5a634cf4429798b1c921a81de8250051"><div class="ttname"><a href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a></div><div class="ttdeci">static int input(yyscan_t yyscanner)</div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.h</a></div></div>
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<div class="ttc" id="asorted__interval__list_8h_html"><div class="ttname"><a href="sorted__interval__list_8h.html">sorted_interval_list.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_trail_html"><div class="ttname"><a href="structoperations__research_1_1_trail.html">operations_research::Trail</a></div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8cc_source.html#l00727">constraint_solver.cc:727</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">operations_research::sat::IntegerLiteral::LowerOrEqual</a></div><div class="ttdeci">static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01393">integer.h:1393</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a6c233aafac25ea66d69de93a83c9be63"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">operations_research::sat::IntegerLiteral::GreaterOrEqual</a></div><div class="ttdeci">static IntegerLiteral GreaterOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01387">integer.h:1387</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_solution_observers_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_solution_observers.html">operations_research::sat::SolutionObservers</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00769">cp_model_solver.cc:769</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_solution_observers_html_a9615658aae5d7fd8407ea4477e49789e"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_solution_observers.html#a9615658aae5d7fd8407ea4477e49789e">operations_research::sat::SolutionObservers::observers</a></div><div class="ttdeci">std::vector< std::function< void(const CpSolverResponse &response)> > observers</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00771">cp_model_solver.cc:771</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_solution_observers_html_ab49fe52363a312a57d8ec01682891596"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_solution_observers.html#ab49fe52363a312a57d8ec01682891596">operations_research::sat::SolutionObservers::SolutionObservers</a></div><div class="ttdeci">SolutionObservers(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00770">cp_model_solver.cc:770</a></div></div>
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<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
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<div class="ttc" id="atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879"><div class="ttname"><a href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a></div><div class="ttdeci">std::string message</div><div class="ttdef"><b>Definition:</b> <a href="trace_8cc_source.html#l00398">trace.cc:398</a></div></div>
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<div class="ttc" id="autil_2logging_8h_html"><div class="ttname"><a href="util_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="autil_2logging_8h_html_a5f67b653dd99ddbe5e3367e3b4b7b532"><div class="ttname"><a href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a></div><div class="ttdeci">#define SOLVER_LOG(logger,...)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00069">util/logging.h:69</a></div></div>
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<div class="ttc" id="avariable__and__expressions_8cc_html_a2091cd7d80fdd31762020bce86138587"><div class="ttname"><a href="variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587">coeff</a></div><div class="ttdeci">const double coeff</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8cc_source.html#l00105">variable_and_expressions.cc:105</a></div></div>
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