3509 lines
650 KiB
HTML
3509 lines
650 KiB
HTML
<!-- HTML header for doxygen 1.8.18-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.20"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>OR-Tools: cp_model_solver.cc Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="styleSheet.tmp.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="orLogo.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">OR-Tools
|
|
 <span id="projectnumber">8.0</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.20 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function(){initNavTree('cp__model__solver_8cc_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">cp_model_solver.cc</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="cp__model__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <atomic></span></div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <cmath></span></div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <functional></span></div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <limits></span></div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <map></span></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <memory></span></div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <set></span></div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <utility></span></div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="cleanup_8h.html">ortools/base/cleanup.h</a>"</span></div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="feasibility__pump_8h.html">ortools/sat/feasibility_pump.h</a>"</span></div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="intervals_8h.html">ortools/sat/intervals.h</a>"</span></div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "absl/synchronization/notification.h"</span></div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "google/protobuf/text_format.h"</span></div>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="sigint_8h.html">ortools/util/sigint.h</a>"</span></div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "absl/synchronization/mutex.h"</span></div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "glog/vlog_is_on.h"</span></div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "<a class="code" href="int__type__indexed__vector_8h.html">ortools/base/int_type_indexed_vector.h</a>"</span></div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "<a class="code" href="threadpool_8h.html">ortools/base/threadpool.h</a>"</span></div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="connected__components_8h.html">ortools/graph/connected_components.h</a>"</span></div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="circuit_8h.html">ortools/sat/circuit.h</a>"</span></div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "<a class="code" href="clause_8h.html">ortools/sat/clause.h</a>"</span></div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="cp__model_8pb_8h.html">ortools/sat/cp_model.pb.h</a>"</span></div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="cp__model__checker_8h.html">ortools/sat/cp_model_checker.h</a>"</span></div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include "<a class="code" href="cp__model__lns_8h.html">ortools/sat/cp_model_lns.h</a>"</span></div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include "<a class="code" href="cp__model__loader_8h.html">ortools/sat/cp_model_loader.h</a>"</span></div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include "<a class="code" href="cp__model__postsolve_8h.html">ortools/sat/cp_model_postsolve.h</a>"</span></div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include "<a class="code" href="cp__model__presolve_8h.html">ortools/sat/cp_model_presolve.h</a>"</span></div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#include "<a class="code" href="cp__model__search_8h.html">ortools/sat/cp_model_search.h</a>"</span></div>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a 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>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#include "<a class="code" href="integer__expr_8h.html">ortools/sat/integer_expr.h</a>"</span></div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include "<a class="code" href="integer__search_8h.html">ortools/sat/integer_search.h</a>"</span></div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#include "<a class="code" href="linear__programming__constraint_8h.html">ortools/sat/linear_programming_constraint.h</a>"</span></div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#include "<a class="code" href="linear__relaxation_8h.html">ortools/sat/linear_relaxation.h</a>"</span></div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#include "<a class="code" href="optimization_8h.html">ortools/sat/optimization.h</a>"</span></div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#include "<a class="code" href="precedences_8h.html">ortools/sat/precedences.h</a>"</span></div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#include "<a class="code" href="probing_8h.html">ortools/sat/probing.h</a>"</span></div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#include "<a class="code" href="rins_8h.html">ortools/sat/rins.h</a>"</span></div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</span></div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#include "<a class="code" href="sat__inprocessing_8h.html">ortools/sat/sat_inprocessing.h</a>"</span></div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#include "<a class="code" href="sat__parameters_8pb_8h.html">ortools/sat/sat_parameters.pb.h</a>"</span></div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#include "<a class="code" href="simplification_8h.html">ortools/sat/simplification.h</a>"</span></div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#include "<a class="code" href="subsolver_8h.html">ortools/sat/subsolver.h</a>"</span></div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#include "<a class="code" href="synchronization_8h.html">ortools/sat/synchronization.h</a>"</span></div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#include "<a class="code" href="sorted__interval__list_8h.html">ortools/util/sorted_interval_list.h</a>"</span></div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#if defined(_MSC_VER)</span></div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <a class="code" href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d">DEFINE_string</a>(cp_model_dump_prefix, <span class="stringliteral">".\\"</span>,</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="stringliteral">"Prefix filename for all dumped files"</span>);</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d"> 92</a></span> <a class="code" href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d">DEFINE_string</a>(cp_model_dump_prefix, <span class="stringliteral">"/tmp/"</span>,</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="stringliteral">"Prefix filename for all dumped files"</span>);</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c"> 95</a></span> <a class="code" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a>(</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  cp_model_dump_models, <span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="stringliteral">"DEBUG ONLY. When set to true, SolveCpModel() will dump its model "</span></div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="stringliteral">"protos (original model, presolved model, mapping model) in text "</span></div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="stringliteral">"format to "</span></div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">"'FLAGS_cp_model_dump_prefix'{model|presolved_model|mapping_model}.pbtxt."</span>);</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a2c0bd0ab0f1ca559c0c53ddef7e9e571"> 102</a></span> <a class="code" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a>(cp_model_dump_lns, <span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="stringliteral">"DEBUG ONLY. When set to true, solve will dump all "</span></div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="stringliteral">"lns models proto in text format to "</span></div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="stringliteral">"'FLAGS_cp_model_dump_prefix'lns_xxx.pbtxt."</span>);</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a3078e3487f8121bc3cb6533eef6ff1a2"> 107</a></span> <a class="code" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a>(cp_model_dump_response, <span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="stringliteral">"DEBUG ONLY. If true, the final response of each solve will be "</span></div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="stringliteral">"dumped to 'FLAGS_cp_model_dump_prefix'response.pbtxt"</span>);</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a1e075cc608eb1b642117cb48855ec222"> 111</a></span> <a class="code" href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d">DEFINE_string</a>(cp_model_params, <span class="stringliteral">""</span>,</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="stringliteral">"This is interpreted as a text SatParameters proto. The "</span></div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="stringliteral">"specified fields will override the normal ones for all solves."</span>);</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#aead8d7536035b2468cb061c39d197514"> 115</a></span> <a class="code" href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d">DEFINE_string</a>(</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  drat_output, <span class="stringliteral">""</span>,</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="stringliteral">"If non-empty, a proof in DRAT format will be written to this file. "</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="stringliteral">"This will only be used for pure-SAT problems."</span>);</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#ab0499b1dabaae0e52396827d5359fb5c"> 120</a></span> <a class="code" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a>(drat_check, <span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="stringliteral">"If true, a proof in DRAT format will be stored in memory and "</span></div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="stringliteral">"checked if the problem is UNSAT. This will only be used for "</span></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="stringliteral">"pure-SAT problems."</span>);</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a137ba6548819ef2acd9aeae5799ca492"> 125</a></span> <a class="code" href="cp__model__solver_8cc.html#a137ba6548819ef2acd9aeae5799ca492">DEFINE_double</a>(max_drat_time_in_seconds, std::numeric_limits<double>::infinity(),</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="stringliteral">"Maximum time in seconds to check the DRAT proof. This will only "</span></div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="stringliteral">"be used is the drat_check flag is enabled."</span>);</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a7a72c0bac6b707036733d319bccf2ce1"> 129</a></span> <a class="code" href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a>(cp_model_check_intermediate_solutions, <span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="stringliteral">"When true, all intermediate solutions found by the solver will be "</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="stringliteral">"checked. This can be expensive, therefore it is off by default."</span>);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">namespace </span>sat {</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// Makes the string fit in one line by cutting it in the middle if necessary.</span></div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> std::string Summarize(<span class="keyword">const</span> std::string& <a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>) {</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (<a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size() < 105) <span class="keywordflow">return</span> <a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>;</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> half = 50;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> absl::StrCat(<a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.substr(0, half), <span class="stringliteral">" ... "</span>,</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.substr(<a class="code" href="parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051">input</a>.size() - half, half));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> }</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> } <span class="comment">// namespace.</span></div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// =============================================================================</span></div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// Public API.</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// =============================================================================</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913"> 152</a></span> std::string <a class="code" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>) {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::map<std::string, int> num_constraints_by_name;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  std::map<std::string, int> num_reif_constraints_by_name;</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::map<std::string, int> name_to_num_literals;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case());</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// We split the linear constraints into 3 buckets has it gives more insight</span></div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// on the type of problem we are facing.</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinear) {</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 1) <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"1"</span>;</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 2) <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"2"</span>;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() == 3) <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"3"</span>;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars_size() > 3) <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> += <span class="stringliteral">"N"</span>;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  num_constraints_by_name[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>]++;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (!<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal().empty()) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  num_reif_constraints_by_name[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>]++;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// For pure Boolean constraints, we also display the total number of literal</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// involved as this gives a good idea of the problem size.</span></div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kBoolOr) {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  name_to_num_literals[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals().size();</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  ConstraintProto::ConstraintCase::kBoolAnd) {</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  name_to_num_literals[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals().size();</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ConstraintProto::ConstraintCase::kAtMostOne) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  name_to_num_literals[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.at_most_one().literals().size();</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">int</span> num_constants = 0;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  std::set<int64> constant_values;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  std::map<Domain, int> num_vars_per_domains;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableProto& <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables()) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain_size() == 2 && <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0) == <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(1)) {</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  ++num_constants;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  constant_values.insert(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0));</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  num_vars_per_domains[<a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)]++;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  std::string result;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  absl::StrAppend(&result, <span class="stringliteral">"Optimization model '"</span>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.name(),</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="stringliteral">"':\n"</span>);</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  absl::StrAppend(&result, <span class="stringliteral">"Satisfaction model '"</span>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.name(),</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="stringliteral">"':\n"</span>);</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> DecisionStrategyProto& strategy : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.search_strategy()) {</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  absl::StrAppend(</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  &result, <span class="stringliteral">"Search strategy: on "</span>, strategy.variables_size(),</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="stringliteral">" variables, "</span>,</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  ProtoEnumToString<DecisionStrategyProto::VariableSelectionStrategy>(</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  strategy.variable_selection_strategy()),</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="stringliteral">", "</span>,</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  ProtoEnumToString<DecisionStrategyProto::DomainReductionStrategy>(</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  strategy.domain_reduction_strategy()),</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> std::string objective_string =</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  ? absl::StrCat(<span class="stringliteral">" ("</span>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars_size(),</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="stringliteral">" in objective)"</span>)</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  : <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  absl::StrAppend(&result, <span class="stringliteral">"#Variables: "</span>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(),</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  objective_string, <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (num_vars_per_domains.size() < 100) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</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 name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> std::string temp = absl::StrCat(<span class="stringliteral">" - "</span>, entry.second, <span class="stringliteral">" in "</span>,</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  entry.first.ToString(), <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  absl::StrAppend(&result, Summarize(temp));</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_complexity = 0;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</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 name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a> = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>, entry.first.Min());</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a> = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>, entry.first.Max());</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  max_complexity = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_complexity,</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">static_cast<</span><a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a><span class="keyword">></span>(entry.first.NumIntervals()));</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  absl::StrAppend(&result, <span class="stringliteral">" - "</span>, num_vars_per_domains.size(),</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="stringliteral">" different domains in ["</span>, <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a>, <span class="stringliteral">","</span>, <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a>,</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="stringliteral">"] with a largest complexity of "</span>, max_complexity, <span class="stringliteral">".\n"</span>);</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (num_constants > 0) {</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> std::string temp =</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  absl::StrCat(<span class="stringliteral">" - "</span>, num_constants, <span class="stringliteral">" constants in {"</span>,</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  absl::StrJoin(constant_values, <span class="stringliteral">","</span>), <span class="stringliteral">"} \n"</span>);</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  absl::StrAppend(&result, Summarize(temp));</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  std::vector<std::string> constraints;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  constraints.reserve(num_constraints_by_name.size());</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : num_constraints_by_name) {</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = entry.first;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  constraints.push_back(absl::StrCat(<span class="stringliteral">"#"</span>, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">": "</span>, entry.second));</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(num_reif_constraints_by_name, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="stringliteral">" (#enforced: "</span>, num_reif_constraints_by_name[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>], <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(name_to_num_literals, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  absl::StrAppend(&constraints.back(),</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="stringliteral">" (#literals: "</span>, name_to_num_literals[<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>], <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  std::sort(constraints.begin(), constraints.end());</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  absl::StrAppend(&result, absl::StrJoin(constraints, <span class="stringliteral">"\n"</span>));</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> }</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332"> 274</a></span> std::string <a class="code" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(<span class="keyword">const</span> CpSolverResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">bool</span> has_objective) {</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  std::string result;</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  absl::StrAppend(&result, <span class="stringliteral">"CpSolverResponse:"</span>);</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  absl::StrAppend(&result, <span class="stringliteral">"\nstatus: "</span>,</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  ProtoEnumToString<CpSolverStatus>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()));</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (has_objective && <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  absl::StrAppendFormat(&result, <span class="stringliteral">"\nobjective: %.9g"</span>,</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.objective_value());</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  absl::StrAppendFormat(&result, <span class="stringliteral">"\nbest_bound: %.9g"</span>,</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.best_objective_bound());</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  absl::StrAppend(&result, <span class="stringliteral">"\nobjective: NA"</span>);</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  absl::StrAppend(&result, <span class="stringliteral">"\nbest_bound: NA"</span>);</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  absl::StrAppend(&result, <span class="stringliteral">"\nbooleans: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_booleans());</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  absl::StrAppend(&result, <span class="stringliteral">"\nconflicts: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_conflicts());</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  absl::StrAppend(&result, <span class="stringliteral">"\nbranches: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_branches());</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// TODO(user): This is probably better named "binary_propagation", but we just</span></div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// output "propagations" to be consistent with sat/analyze.sh.</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  absl::StrAppend(&result,</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="stringliteral">"\npropagations: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_binary_propagations());</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  absl::StrAppend(</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  &result, <span class="stringliteral">"\ninteger_propagations: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.num_integer_propagations());</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  absl::StrAppend(&result, <span class="stringliteral">"\nwalltime: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.wall_time());</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  absl::StrAppend(&result, <span class="stringliteral">"\nusertime: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.user_time());</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  absl::StrAppend(&result,</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="stringliteral">"\ndeterministic_time: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.deterministic_time());</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  absl::StrAppend(&result, <span class="stringliteral">"\nprimal_integral: "</span>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.primal_integral());</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  absl::StrAppend(&result, <span class="stringliteral">"\n"</span>);</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="keywordtype">void</span> FillSolutionInResponse(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <span class="keyword">const</span> Model& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution();</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution_lower_bounds();</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution_upper_bounds();</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">auto</span>* mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get<CpModelMapping>();</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">auto</span>* trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get<<a class="code" href="structoperations__research_1_1_trail.html">Trail</a>>();</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get<IntegerTrail>();</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::vector<int64> solution;</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(); ++i) {</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (mapping->IsInteger(i)) {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(i);</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (integer_trail->IsCurrentlyIgnored(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// This variable is "ignored" so it may not be fixed, simply use</span></div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// the current lower bound. Any value in its domain should lead to</span></div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// a feasible solution.</span></div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  solution.push_back(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a1000a311929a470e5485258d765eeabd">LowerBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)));</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a1000a311929a470e5485258d765eeabd">LowerBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) != <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a950da19798dc78760bff02703c431692">UpperBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>))) {</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  solution.clear();</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  solution.push_back(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)));</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  DCHECK(mapping->IsBoolean(i));</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">const</span> Literal <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = mapping-><a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a03f5ae0ce9819070959d97a8ba3fafeb">Literal</a>(i);</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (trail->Assignment().LiteralIsAssigned(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  solution.push_back(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)));</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  solution.clear();</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (!solution.empty()) {</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a> || FLAGS_cp_model_check_intermediate_solutions) {</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// TODO(user): Checks against initial model.</span></div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, solution));</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : solution) <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// Not all variables are fixed.</span></div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// We fill instead the lb/ub of each variables.</span></div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& assignment = trail->Assignment();</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(); ++i) {</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (mapping->IsBoolean(i)) {</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (assignment.VariableIsAssigned(mapping->Literal(i).Variable())) {</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(mapping->Literal(i)));</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_lower_bounds(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_upper_bounds(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_lower_bounds(0);</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_upper_bounds(1);</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_lower_bounds(</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a1000a311929a470e5485258d765eeabd">LowerBound</a>(mapping->Integer(i))));</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_upper_bounds(</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a950da19798dc78760bff02703c431692">UpperBound</a>(mapping->Integer(i))));</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> }</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  </div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> IntegerVariable GetOrCreateVariableWithTightBound(</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">const</span> std::vector<std::pair<IntegerVariable, int64>>& terms, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (terms.empty()) <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a32af3f85fedaa710e94d7471e69bfd35">ConstantIntegerVariable</a>(0));</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == 1) {</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> terms.front().first;</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == -1) {</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(terms.front().first);</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> sum_min = 0;</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> sum_max = 0;</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::pair<IntegerVariable, int64> var_coeff : terms) {</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_domain = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a1000a311929a470e5485258d765eeabd">LowerBound</a>(var_coeff.first));</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_domain = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get(<a class="code" href="namespaceoperations__research_1_1sat.html#a950da19798dc78760bff02703c431692">UpperBound</a>(var_coeff.first));</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = var_coeff.second;</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> prod1 = min_domain * coeff;</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> prod2 = max_domain * coeff;</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  sum_min += <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(prod1, prod2);</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  sum_max += <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(prod1, prod2);</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a79dd91110f5d70b761738e261bc56ed4">NewIntegerVariable</a>(sum_min, sum_max));</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> }</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> IntegerVariable GetOrCreateVariableGreaterOrEqualToSumOf(</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">const</span> std::vector<std::pair<IntegerVariable, int64>>& terms, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (terms.empty()) <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a32af3f85fedaa710e94d7471e69bfd35">ConstantIntegerVariable</a>(0));</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == 1) {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span> terms.front().first;</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (terms.size() == 1 && terms.front().second == -1) {</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(terms.front().first);</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// Create a new variable and link it with the linear terms.</span></div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">const</span> IntegerVariable new_var =</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  GetOrCreateVariableWithTightBound(terms, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  std::vector<IntegerVariable> vars;</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  std::vector<int64> coeffs;</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& term : terms) {</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  vars.push_back(term.first);</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  coeffs.push_back(term.second);</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  vars.push_back(new_var);</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  coeffs.push_back(-1);</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a949fa684e53fd6a18a2d1f79133fd80a">WeightedSumLowerOrEqual</a>(vars, coeffs, 0));</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> new_var;</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="keywordtype">void</span> TryToAddCutGenerators(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, Model* m,</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  LinearRelaxation* relaxation) {</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> linearization_level =</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  m->GetOrCreate<SatParameters>()->linearization_level();</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keyword">auto</span>* mapping = m->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kCircuit &&</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  linearization_level > 1) {</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  std::vector<int> tails(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().tails().begin(),</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().tails().end());</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  std::vector<int> heads(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().heads().begin(),</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().heads().end());</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  std::vector<Literal> literals = mapping->Literals(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().literals());</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_nodes = <a class="code" href="namespaceoperations__research_1_1sat.html#a9e1e7aca479b08255d3f796816ec94bc">ReindexArcs</a>(&tails, &heads, &literals);</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ae9e5d88686fd52d3bd1a89d7754ca18c">CreateStronglyConnectedGraphCutGenerator</a>(num_nodes, tails, heads,</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  literals, m));</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  }</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kRoutes &&</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  linearization_level > 1) {</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  std::vector<int> tails(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().tails().begin(),</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().tails().end());</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  std::vector<int> heads(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().heads().begin(),</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().heads().end());</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  std::vector<Literal> literals = mapping->Literals(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().literals());</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordtype">int</span> num_nodes = 0;</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().tails_size(); ++i) {</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  num_nodes = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(num_nodes, 1 + <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().tails(i));</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  num_nodes = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(num_nodes, 1 + <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().heads(i));</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().demands().empty() || <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().capacity() == 0) {</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ae9e5d88686fd52d3bd1a89d7754ca18c">CreateStronglyConnectedGraphCutGenerator</a>(num_nodes, tails, heads,</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  literals, m));</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">const</span> std::vector<int64> demands(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().demands().begin(),</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().demands().end());</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a83551f805175c3a30ea146efaad2ec63">CreateCVRPCutGenerator</a>(num_nodes, tails, heads, literals, demands,</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.routes().capacity(), m));</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kIntProd) {</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">HasEnforcementLiteral</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_prod().vars_size() != 2) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  </div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// Constraint is z == x * y.</span></div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  </div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  IntegerVariable z = mapping->Integer(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_prod().target());</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  IntegerVariable x = mapping->Integer(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_prod().vars(0));</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  IntegerVariable y = mapping->Integer(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_prod().vars(1));</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  </div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  IntegerTrail* <span class="keyword">const</span> integer_trail = m->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  IntegerValue x_lb = integer_trail->LowerBound(x);</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  IntegerValue x_ub = integer_trail->UpperBound(x);</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  IntegerValue y_lb = integer_trail->LowerBound(y);</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  IntegerValue y_ub = integer_trail->UpperBound(y);</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  </div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">if</span> (x == y) {</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="comment">// We currently only support variables with non-negative domains.</span></div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (x_lb < 0 && x_ub > 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  </div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="comment">// Change the sigh of x if its domain is non-positive.</span></div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">if</span> (x_ub <= 0) {</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  x = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(x);</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  }</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  </div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  relaxation->cut_generators.push_back(<a class="code" href="namespaceoperations__research_1_1sat.html#a562723a1a137cee8f869c1d7eb9641b0">CreateSquareCutGenerator</a>(z, x, m));</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">// We currently only support variables with non-negative domains.</span></div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> (x_lb < 0 && x_ub > 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (y_lb < 0 && y_ub > 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// Change signs to return to the case where all variables are a domain</span></div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="comment">// with non negative values only.</span></div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span> (x_ub <= 0) {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  x = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(x);</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  z = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(z);</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> (y_ub <= 0) {</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  y = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(y);</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  z = <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(z);</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#acd00c99b5770a8f86418ce2c60c716b8">CreatePositiveMultiplicationCutGenerator</a>(z, x, y, m));</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  }</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kAllDiff) {</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">if</span> (linearization_level < 2) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">HasEnforcementLiteral</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.all_diff().vars_size();</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">if</span> (num_vars <= m->GetOrCreate<SatParameters>()->max_all_diff_cut_size()) {</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  std::vector<IntegerVariable> vars =</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  mapping->Integers(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.all_diff().vars());</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7feb76be212dca01ffe7ba3a0391e118">CreateAllDifferentCutGenerator</a>(vars, m));</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  }</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  </div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kCumulative) {</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">if</span> (linearization_level < 2) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">HasEnforcementLiteral</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  </div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  std::vector<IntegerVariable> demands =</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  mapping->Integers(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().demands());</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  std::vector<IntervalVariable> intervals =</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  mapping->Intervals(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().intervals());</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf">capacity</a> =</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  mapping->Integer(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.cumulative().capacity());</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a50b686357c19f67aa58931db58e801e6">CreateOverlappingCumulativeCutGenerator</a>(intervals, <a class="code" href="routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf">capacity</a>, demands,</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  m));</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a34b1d34844b9b1695dd45dfd9c33f663">CreateCumulativeCutGenerator</a>(intervals, <a class="code" href="routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf">capacity</a>, demands, m));</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kNoOverlap) {</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (linearization_level < 2) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">HasEnforcementLiteral</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  std::vector<IntervalVariable> intervals =</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  mapping->Intervals(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.no_overlap().intervals());</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a3a0306b13619850b5bb41627e5cc103f">CreateNoOverlapCutGenerator</a>(intervals, m));</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a23849eabdcf8e9f6f90e7aa05b298dc9">CreateNoOverlapPrecedenceCutGenerator</a>(intervals, m));</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  }</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  </div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinMax) {</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (!m->GetOrCreate<SatParameters>()->add_lin_max_cuts()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">HasEnforcementLiteral</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">// TODO(user): Support linearization of general target expression.</span></div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().target().vars_size() != 1) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().target().coeffs(0) != 1) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  </div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keyword">const</span> IntegerVariable target =</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  mapping->Integer(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().target().vars(0));</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  std::vector<LinearExpression> exprs;</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  exprs.reserve(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().exprs_size());</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().exprs_size(); ++i) {</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="comment">// Note: Cut generator requires all expressions to contain only positive</span></div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="comment">// vars.</span></div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  exprs.push_back(</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a4ff205ed5a074bbe499b1fa20da1dd9b">PositiveVarExpr</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a5b41bc8ce6039029dcbd0463c9edac10">GetExprFromProto</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.lin_max().exprs(i), *mapping)));</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  }</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  </div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="comment">// Add initial big-M linear relaxation.</span></div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="comment">// z_vars[i] == 1 <=> target = exprs[i].</span></div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keyword">const</span> std::vector<IntegerVariable> z_vars =</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a130634b7e74e7c3eee64967e6bd5bb15">AppendLinMaxRelaxation</a>(target, exprs, m, relaxation);</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  </div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">if</span> (linearization_level >= 2) {</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  relaxation->cut_generators.push_back(</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7fea62548e11ae728e506874f767bdd3">CreateLinMaxCutGenerator</a>(target, exprs, z_vars, m));</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  }</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  }</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> }</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> LinearRelaxation ComputeLinearRelaxation(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keywordtype">int</span> linearization_level, Model* m) {</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  LinearRelaxation relaxation;</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="comment">// Linearize the constraints.</span></div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  absl::flat_hash_set<int> used_integer_variable;</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  </div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keyword">auto</span>* mapping = m->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keyword">auto</span>* encoder = m->GetOrCreate<IntegerEncoder>();</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keyword">auto</span>* trail = m->GetOrCreate<Trail>();</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// Make sure the literals from a circuit constraint always have a view.</span></div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kCircuit) {</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.circuit().literals()) {</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keyword">const</span> Literal l = mapping->Literal(ref);</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (encoder->GetLiteralView(l) == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a> &&</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  encoder->GetLiteralView(l.Negated()) == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  m->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a775efd540e54bd3be662ce7ee8894c1e">NewIntegerVariableFromLiteral</a>(l));</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  }</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  }</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  </div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="comment">// For now, we skip any constraint with literals that do not have an integer</span></div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// view. Ideally it should be up to the constraint to decide if creating a</span></div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// view is worth it.</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// TODO(user): It should be possible to speed this up if needed.</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keyword">const</span> IndexReferences refs = <a class="code" href="namespaceoperations__research_1_1sat.html#aba8e3465fc58d3b287e05451d5230bae">GetReferencesUsedByConstraint</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordtype">bool</span> ok = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> literal_ref : refs.literals) {</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keyword">const</span> Literal <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = mapping-><a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a03f5ae0ce9819070959d97a8ba3fafeb">Literal</a>(literal_ref);</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">if</span> (trail->Assignment().LiteralIsAssigned(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="comment">// Create a view to the constant 0 or 1.</span></div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  m->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a775efd540e54bd3be662ce7ee8894c1e">NewIntegerVariableFromLiteral</a>(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (encoder->GetLiteralView(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>) == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a> &&</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  encoder->GetLiteralView(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>.<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">Negated</a>()) ==</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  ok = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  }</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">if</span> (!ok) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  </div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a94739087f86f5e1b7679d5371d4d9f4b">TryToLinearizeConstraint</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, m, linearization_level,</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  &relaxation);</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  TryToAddCutGenerators(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, m, &relaxation);</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  }</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  </div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="comment">// Linearize the encoding of variable that are fully encoded in the proto.</span></div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordtype">int</span> num_full_encoding_relaxations = 0;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordtype">int</span> num_partial_encoding_relaxations = 0;</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(); ++i) {</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">if</span> (mapping->IsBoolean(i)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(i);</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">if</span> (m->Get(<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>))) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  </div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="comment">// TODO(user): This different encoding for the partial variable might be</span></div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="comment">// better (less LP constraints), but we do need more investigation to</span></div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="comment">// decide.</span></div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">if</span> (<span class="comment">/* DISABLES CODE */</span> (<span class="keyword">false</span>)) {</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#aa490b08ec514e9c567ff098d53353db1">AppendPartialEncodingRelaxation</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, *m, &relaxation);</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  </div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">if</span> (encoder->VariableIsFullyEncoded(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a5564bcb1461ad3cbce7f744c3fb58c6b">AppendFullEncodingRelaxation</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, *m, &relaxation)) {</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  ++num_full_encoding_relaxations;</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  }</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  </div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="comment">// Even if the variable is fully encoded, sometimes not all its associated</span></div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="comment">// literal have a view (if they are not part of the original model for</span></div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="comment">// instance).</span></div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="comment">// TODO(user): Should we add them to the LP anyway? this isn't clear as</span></div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="comment">// we can sometimes create a lot of Booleans like this.</span></div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old = relaxation.linear_constraints.size();</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#aff14a4092356fceea657393b7b234b7f">AppendPartialGreaterThanEncodingRelaxation</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, *m, &relaxation);</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordflow">if</span> (relaxation.linear_constraints.size() > old) {</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  ++num_partial_encoding_relaxations;</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  }</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  }</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  </div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="comment">// Linearize the at most one constraints. Note that we transform them</span></div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="comment">// into maximum "at most one" first and we removes redundant ones.</span></div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  m->GetOrCreate<BinaryImplicationGraph>()->TransformIntoMaxCliques(</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  &relaxation.at_most_ones);</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::vector<Literal>& at_most_one : relaxation.at_most_ones) {</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> (at_most_one.empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  </div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  LinearConstraintBuilder lc(m, <a class="code" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">kMinIntegerValue</a>, IntegerValue(1));</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : at_most_one) {</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="comment">// Note that it is okay to simply ignore the literal if it has no</span></div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// integer view.</span></div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> unused ABSL_ATTRIBUTE_UNUSED =</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  lc.AddLiteralTerm(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, IntegerValue(1));</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  }</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  relaxation.linear_constraints.push_back(lc.Build());</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  }</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="comment">// We converted all at_most_one to LP constraints, so we need to clear them</span></div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="comment">// so that we don't do extra work in the connected component computation.</span></div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  relaxation.at_most_ones.clear();</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  </div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="comment">// Remove size one LP constraints, they are not useful.</span></div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  {</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordtype">int</span> new_size = 0;</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < relaxation.linear_constraints.size(); ++i) {</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">if</span> (relaxation.linear_constraints[i].vars.size() <= 1) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  std::swap(relaxation.linear_constraints[new_size++],</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  relaxation.linear_constraints[i]);</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  }</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  relaxation.linear_constraints.resize(new_size);</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  </div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  VLOG(3) << <span class="stringliteral">"num_full_encoding_relaxations: "</span> << num_full_encoding_relaxations;</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  VLOG(3) << <span class="stringliteral">"num_partial_encoding_relaxations: "</span></div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  << num_partial_encoding_relaxations;</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  VLOG(3) << relaxation.linear_constraints.size()</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  << <span class="stringliteral">" constraints in the LP relaxation."</span>;</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  VLOG(3) << relaxation.cut_generators.size() << <span class="stringliteral">" cuts generators."</span>;</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">return</span> relaxation;</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> }</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  </div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <span class="comment">// Adds one LinearProgrammingConstraint per connected component of the model.</span></div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> IntegerVariable AddLPConstraints(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordtype">int</span> linearization_level, Model* m) {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keyword">const</span> LinearRelaxation relaxation =</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  ComputeLinearRelaxation(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, linearization_level, m);</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  </div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// The bipartite graph of LP constraints might be disconnected:</span></div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// make a partition of the variables into connected components.</span></div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">// Constraint nodes are indexed by [0..num_lp_constraints),</span></div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// variable nodes by [num_lp_constraints..num_lp_constraints+num_variables).</span></div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="comment">// TODO(user): look into biconnected components.</span></div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_constraints = relaxation.linear_constraints.size();</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_cut_generators = relaxation.cut_generators.size();</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_integer_variables =</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  m->GetOrCreate<IntegerTrail>()->NumIntegerVariables().value();</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <a class="code" href="class_dense_connected_components_finder.html">DenseConnectedComponentsFinder</a> components;</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  components.<a class="code" href="class_dense_connected_components_finder.html#ad8e718920ab9683d39af650d714cffe1">SetNumberOfNodes</a>(num_lp_constraints + num_lp_cut_generators +</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  num_integer_variables);</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keyword">auto</span> get_constraint_index = [](<span class="keywordtype">int</span> ct_index) { <span class="keywordflow">return</span> ct_index; };</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="keyword">auto</span> get_cut_generator_index = [num_lp_constraints](<span class="keywordtype">int</span> cut_index) {</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">return</span> num_lp_constraints + cut_index;</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  };</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keyword">auto</span> get_var_index = [num_lp_constraints,</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  num_lp_cut_generators](IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">return</span> num_lp_constraints + num_lp_cut_generators + <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.value();</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  };</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : relaxation.linear_constraints[i].vars) {</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  components.<a class="code" href="class_dense_connected_components_finder.html#a3bd75ea47488e500083fd8401d833f5d">AddEdge</a>(get_constraint_index(i), get_var_index(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  }</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; ++i) {</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : relaxation.cut_generators[i].vars) {</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  components.<a class="code" href="class_dense_connected_components_finder.html#a3bd75ea47488e500083fd8401d833f5d">AddEdge</a>(get_cut_generator_index(i), get_var_index(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  }</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  }</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  </div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="comment">// Add edges for at most ones that we do not statically add to the LP.</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="comment">// TODO(user): Because we currently add every at_most_ones (and we clear it)</span></div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="comment">// this code is unused outside of experiments.</span></div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::vector<Literal>& at_most_one : relaxation.at_most_ones) {</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  LinearConstraintBuilder builder(m, <a class="code" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">kMinIntegerValue</a>, IntegerValue(1));</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal <a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : at_most_one) {</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="comment">// Note that it is okay to simply ignore the literal if it has no</span></div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="comment">// integer view.</span></div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> unused ABSL_ATTRIBUTE_UNUSED =</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  builder.AddLiteralTerm(<a class="code" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, IntegerValue(1));</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  LinearConstraint lc = builder.Build();</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < lc.vars.size(); ++i) {</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  components.<a class="code" href="class_dense_connected_components_finder.html#a3bd75ea47488e500083fd8401d833f5d">AddEdge</a>(get_var_index(lc.vars[0]), get_var_index(lc.vars[i]));</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  }</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  }</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  </div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_components = components.<a class="code" href="class_dense_connected_components_finder.html#af1a300e659dbc3041b1485f12855bd31">GetNumberOfComponents</a>();</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  std::vector<int> component_sizes(num_components, 0);</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keyword">const</span> std::vector<int> index_to_component = components.<a class="code" href="class_dense_connected_components_finder.html#a74aadb96adc6f37110393d5fbd2279c5">GetComponentIds</a>();</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  ++component_sizes[index_to_component[get_constraint_index(i)]];</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  }</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; i++) {</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  ++component_sizes[index_to_component[get_cut_generator_index(i)]];</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  </div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="comment">// Make sure any constraint that touch the objective is not discarded even</span></div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="comment">// if it is the only one in its component. This is important to propagate</span></div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="comment">// as much as possible the objective bound by using any bounds the LP give</span></div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="comment">// us on one of its components. This is critical on the zephyrus problems for</span></div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="comment">// instance.</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keyword">auto</span>* mapping = m->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  mapping->Integer(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  ++component_sizes[index_to_component[get_var_index(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)]];</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  </div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="comment">// Dispatch every constraint to its LinearProgrammingConstraint.</span></div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  std::vector<LinearProgrammingConstraint*> lp_constraints(num_components,</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  std::vector<std::vector<LinearConstraint>> component_to_constraints(</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  num_components);</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_constraint_index(i)];</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">if</span> (component_sizes[c] <= 1) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  component_to_constraints[c].push_back(relaxation.linear_constraints[i]);</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keywordflow">if</span> (lp_constraints[c] == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  lp_constraints[c] = m->Create<LinearProgrammingConstraint>();</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  }</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="comment">// Load the constraint.</span></div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  lp_constraints[c]->AddLinearConstraint(relaxation.linear_constraints[i]);</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  }</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  </div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="comment">// Dispatch every cut generator to its LinearProgrammingConstraint.</span></div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_cut_generators; i++) {</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_cut_generator_index(i)];</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">if</span> (lp_constraints[c] == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  lp_constraints[c] = m->Create<LinearProgrammingConstraint>();</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  lp_constraints[c]->AddCutGenerator(std::move(relaxation.cut_generators[i]));</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  }</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  </div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="comment">// Register "generic" clique (i.e. at most one) cut generator.</span></div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keyword">const</span> SatParameters& params = *(m->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keywordflow">if</span> (params.add_clique_cuts() && params.linearization_level() > 1) {</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">for</span> (LinearProgrammingConstraint* lp : lp_constraints) {</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">if</span> (lp == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  lp->AddCutGenerator(<a class="code" href="namespaceoperations__research_1_1sat.html#adf176ac81e34e8fd124d823ee0033f1a">CreateCliqueCutGenerator</a>(lp->integer_variables(), m));</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  }</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  }</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  </div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">if</span> (params.add_knapsack_cuts() && params.linearization_level() > 1) {</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < num_components; ++c) {</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keywordflow">if</span> (component_to_constraints[c].empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  lp_constraints[c]->AddCutGenerator(<a class="code" href="namespaceoperations__research_1_1sat.html#ac158f737c8653b1fc1bd294ea2d3412d">CreateKnapsackCoverCutGenerator</a>(</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  component_to_constraints[c], lp_constraints[c]->integer_variables(),</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  m));</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  }</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  }</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// Add the objective.</span></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  std::vector<std::vector<std::pair<IntegerVariable, int64>>></div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  component_to_cp_terms(num_components);</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  std::vector<std::pair<IntegerVariable, int64>> top_level_cp_terms;</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordtype">int</span> num_components_containing_objective = 0;</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="comment">// First pass: set objective coefficients on the lp constraints, and store</span></div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="comment">// the cp terms in one vector per component.</span></div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  mapping->Integer(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs(i);</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> c = index_to_component[get_var_index(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)];</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="keywordflow">if</span> (lp_constraints[c] != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  lp_constraints[c]->SetObjectiveCoefficient(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(coeff));</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  component_to_cp_terms[c].push_back(std::make_pair(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, coeff));</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="comment">// Component is too small. We still need to store the objective term.</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  top_level_cp_terms.push_back(std::make_pair(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, coeff));</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  }</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  }</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// Second pass: Build the cp sub-objectives per component.</span></div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < num_components; ++c) {</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">if</span> (component_to_cp_terms[c].empty()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keyword">const</span> IntegerVariable sub_obj_var =</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  GetOrCreateVariableGreaterOrEqualToSumOf(component_to_cp_terms[c], m);</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  top_level_cp_terms.push_back(std::make_pair(sub_obj_var, 1));</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  lp_constraints[c]->SetMainObjectiveVariable(sub_obj_var);</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  num_components_containing_objective++;</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  }</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  }</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  </div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keyword">const</span> IntegerVariable main_objective_var =</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  ? GetOrCreateVariableGreaterOrEqualToSumOf(top_level_cp_terms, m)</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  : <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  </div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="comment">// Register LP constraints. Note that this needs to be done after all the</span></div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="comment">// constraints have been added.</span></div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">for</span> (LinearProgrammingConstraint* lp_constraint : lp_constraints) {</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">if</span> (lp_constraint == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  lp_constraint->RegisterWith(m);</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  VLOG(3) << <span class="stringliteral">"LP constraint: "</span> << lp_constraint->DimensionString() << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  }</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  </div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  VLOG(3) << top_level_cp_terms.size()</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  << <span class="stringliteral">" terms in the main objective linear equation ("</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  << num_components_containing_objective << <span class="stringliteral">" from LP constraints)."</span>;</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">return</span> main_objective_var;</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> }</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  </div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  </div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="comment">// Used by NewFeasibleSolutionObserver to register observers.</span></div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html"> 895</a></span> <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1sat_1_1_solution_observers.html">SolutionObservers</a> {</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html#ab49fe52363a312a57d8ec01682891596"> 896</a></span>  <span class="keyword">explicit</span> <a class="code" href="structoperations__research_1_1sat_1_1_solution_observers.html#ab49fe52363a312a57d8ec01682891596">SolutionObservers</a>(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {}</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_solution_observers.html#a9615658aae5d7fd8407ea4477e49789e"> 897</a></span>  std::vector<std::function<void(<span class="keyword">const</span> CpSolverResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)>> <a class="code" href="structoperations__research_1_1sat_1_1_solution_observers.html#a9615658aae5d7fd8407ea4477e49789e">observers</a>;</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> };</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  </div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0"> 900</a></span> std::function<void(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">NewFeasibleSolutionObserver</a>(</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> CpSolverResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)>& observer) {</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="structoperations__research_1_1sat_1_1_solution_observers.html">SolutionObservers</a>>()->observers.push_back(observer);</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  };</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> }</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  </div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="comment">// TODO(user): Support it on android.</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57"> 909</a></span> std::function<SatParameters(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keyword">const</span> std::string& params) {</div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  sat::SatParameters <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">if</span> (!params.empty()) {</div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  CHECK(google::protobuf::TextFormat::ParseFromString(params, &<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>))</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  << params;</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  }</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> }</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  </div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a8f00d75ae108649f48e37369884a6201"> 920</a></span> std::function<SatParameters(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*)> <a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keyword">const</span> sat::SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <span class="keywordflow">return</span> [=](<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="comment">// Tricky: It is important to initialize the model parameters before any</span></div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="comment">// of the solver object are created, so that by default they use the given</span></div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="comment">// parameters.</span></div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>() = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>()->SetParameters(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  };</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> }</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  </div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  </div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="comment">// Registers a callback that will export variables bounds fixed at level 0 of</span></div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="comment">// the search. This should not be registered to a LNS search.</span></div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="keywordtype">void</span> RegisterVariableBoundsLevelZeroExport(</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, SharedBoundsManager* shared_bounds_manager,</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  CHECK(shared_bounds_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordtype">int</span> saved_trail_index = 0;</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keyword">const</span> <span class="keyword">auto</span> broadcast_level_zero_bounds =</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, saved_trail_index, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, shared_bounds_manager](</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& modified_vars) <span class="keyword">mutable</span> {</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  CpModelMapping* <span class="keyword">const</span> mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  </div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  std::vector<int> model_variables;</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  std::vector<int64> new_lower_bounds;</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  std::vector<int64> new_upper_bounds;</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  absl::flat_hash_set<int> visited_variables;</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  </div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="comment">// Inspect the modified IntegerVariables.</span></div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<IntegerTrail>();</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable& <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : modified_vars) {</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="keyword">const</span> IntegerVariable positive_var = <a class="code" href="namespaceoperations__research_1_1sat.html#a7f1ac774d4646a83631f8117f4ea03f5">PositiveVariable</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> model_var =</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  mapping->GetProtoVariableFromIntegerVariable(positive_var);</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">if</span> (model_var == -1 || visited_variables.contains(model_var)) {</div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="comment">// TODO(user): I don't think we should see the same model_var twice</span></div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="comment">// here so maybe we don't need the visited_variables.contains()</span></div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="comment">// part.</span></div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  }</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  </div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  visited_variables.insert(model_var);</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_lb =</div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  integer_trail->LevelZeroLowerBound(positive_var).value();</div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_ub =</div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  integer_trail->LevelZeroUpperBound(positive_var).value();</div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="comment">// TODO(user): We could imagine an API based on atomic<int64></span></div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="comment">// that could preemptively check if this new bounds are improving.</span></div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  model_variables.push_back(model_var);</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  new_lower_bounds.push_back(new_lb);</div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  new_upper_bounds.push_back(new_ub);</div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  }</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  </div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="comment">// Inspect the newly modified Booleans.</span></div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keyword">auto</span>* trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<Trail>();</div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="keywordflow">for</span> (; saved_trail_index < trail->Index(); ++saved_trail_index) {</div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keyword">const</span> Literal fixed_literal = (*trail)[saved_trail_index];</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> model_var = mapping->GetProtoVariableFromBooleanVariable(</div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  fixed_literal.Variable());</div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">if</span> (model_var == -1 || visited_variables.contains(model_var)) {</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="comment">// If the variable is already visited, it should mean that this</span></div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="comment">// Boolean also has an IntegerVariable view, and we should already</span></div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <span class="comment">// have set its bound correctly.</span></div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  }</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  </div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  visited_variables.insert(model_var);</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  model_variables.push_back(model_var);</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">if</span> (fixed_literal.IsPositive()) {</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  new_lower_bounds.push_back(1);</div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  new_upper_bounds.push_back(1);</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  new_lower_bounds.push_back(0);</div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  new_upper_bounds.push_back(0);</div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  }</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  }</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  </div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordflow">if</span> (!model_variables.empty()) {</div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  shared_bounds_manager->ReportPotentialNewBounds(</div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), model_variables, new_lower_bounds,</div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  new_upper_bounds);</div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="comment">// If we are not in interleave_search we synchronize right away.</span></div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<SatParameters>()->interleave_search()) {</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  shared_bounds_manager->Synchronize();</div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  }</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  };</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  </div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<GenericLiteralWatcher>()</div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  ->RegisterLevelZeroModifiedVariablesCallback(broadcast_level_zero_bounds);</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> }</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  </div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> <span class="comment">// Registers a callback to import new variables bounds stored in the</span></div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> <span class="comment">// shared_bounds_manager. These bounds are imported at level 0 of the search</span></div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> <span class="comment">// in the linear scan minimize function.</span></div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> <span class="keywordtype">void</span> RegisterVariableBoundsLevelZeroImport(</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, SharedBoundsManager* shared_bounds_manager,</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  CHECK(shared_bounds_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  CpModelMapping* <span class="keyword">const</span> mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = shared_bounds_manager->RegisterNewId();</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  </div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& import_level_zero_bounds = [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, shared_bounds_manager,</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, integer_trail, id, mapping]() {</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  std::vector<int> model_variables;</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  std::vector<int64> new_lower_bounds;</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  std::vector<int64> new_upper_bounds;</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  shared_bounds_manager->GetChangedBounds(</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="keywordtype">id</span>, &model_variables, &new_lower_bounds, &new_upper_bounds);</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <span class="keywordtype">bool</span> new_bounds_have_been_imported = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < model_variables.size(); ++i) {</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> model_var = model_variables[i];</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="comment">// This can happen if a boolean variables is forced to have an</span></div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <span class="comment">// integer view in one thread, and not in another thread.</span></div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="keywordflow">if</span> (!mapping->IsInteger(model_var)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(model_var);</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keyword">const</span> IntegerValue new_lb(new_lower_bounds[i]);</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keyword">const</span> IntegerValue new_ub(new_upper_bounds[i]);</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keyword">const</span> IntegerValue old_lb = integer_trail->LowerBound(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="keyword">const</span> IntegerValue old_ub = integer_trail->UpperBound(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> changed_lb = new_lb > old_lb;</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> changed_ub = new_ub < old_ub;</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keywordflow">if</span> (!changed_lb && !changed_ub) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  </div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  new_bounds_have_been_imported = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="keywordflow">if</span> (VLOG_IS_ON(3)) {</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keyword">const</span> IntegerVariableProto& var_proto =</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(model_var);</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="keyword">const</span> std::string& var_name =</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  var_proto.name().empty()</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  ? absl::StrCat(<span class="stringliteral">"anonymous_var("</span>, model_var, <span class="stringliteral">")"</span>)</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  : var_proto.<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>();</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  LOG(INFO) << <span class="stringliteral">" '"</span> << <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name() << <span class="stringliteral">"' imports new bounds for "</span></div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  << var_name << <span class="stringliteral">": from ["</span> << old_lb << <span class="stringliteral">", "</span> << old_ub</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  << <span class="stringliteral">"] to ["</span> << new_lb << <span class="stringliteral">", "</span> << new_ub << <span class="stringliteral">"]"</span>;</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  }</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  </div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keywordflow">if</span> (changed_lb &&</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  !integer_trail->Enqueue(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_lb),</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  {}, {})) {</div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  }</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keywordflow">if</span> (changed_ub &&</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  !integer_trail->Enqueue(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_ub), {},</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  {})) {</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  }</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  }</div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keywordflow">if</span> (new_bounds_have_been_imported &&</div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  !<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->FinishPropagation()) {</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  }</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  };</div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LevelZeroCallbackHelper>()->callbacks.push_back(</div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  import_level_zero_bounds);</div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> }</div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  </div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span> <span class="comment">// Registers a callback that will report improving objective best bound.</span></div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> <span class="comment">// It will be called each time new objective bound are propagated at level zero.</span></div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> <span class="keywordtype">void</span> RegisterObjectiveBestBoundExport(</div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  IntegerVariable objective_var,</div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  SharedResponseManager* shared_response_manager, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keyword">const</span> <span class="keyword">auto</span> broadcast_objective_lower_bound =</div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  [objective_var, integer_trail, shared_response_manager,</div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>](<span class="keyword">const</span> std::vector<IntegerVariable>& unused) {</div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  shared_response_manager->UpdateInnerObjectiveBounds(</div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), integer_trail->LevelZeroLowerBound(objective_var),</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  integer_trail->LevelZeroUpperBound(objective_var));</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <span class="comment">// If we are not in interleave_search we synchronize right away.</span></div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<SatParameters>()->interleave_search()) {</div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  shared_response_manager->Synchronize();</div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  }</div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  };</div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<GenericLiteralWatcher>()</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  ->RegisterLevelZeroModifiedVariablesCallback(</div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  broadcast_objective_lower_bound);</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> }</div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  </div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> <span class="comment">// Registers a callback to import new objective bounds. It will be called each</span></div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> <span class="comment">// time the search main loop is back to level zero. Note that it the presence of</span></div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> <span class="comment">// assumptions, this will not happen until the set of assumptions is changed.</span></div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> <span class="keywordtype">void</span> RegisterObjectiveBoundsImport(</div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  SharedResponseManager* shared_response_manager, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="keyword">auto</span>* solver = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keyword">auto</span>* objective = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="keyword">const</span> <span class="keyword">auto</span> import_objective_bounds = [<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, solver, integer_trail, objective,</div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  shared_response_manager]() {</div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="keywordflow">if</span> (solver->AssumptionLevel() != 0) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordtype">bool</span> propagate = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  </div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="keyword">const</span> IntegerValue external_lb =</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  shared_response_manager->SynchronizedInnerObjectiveLowerBound();</div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keyword">const</span> IntegerValue current_lb =</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  integer_trail->LowerBound(objective->objective_var);</div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="keywordflow">if</span> (external_lb > current_lb) {</div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordflow">if</span> (!integer_trail->Enqueue(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(</div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  objective->objective_var, external_lb),</div>
|
|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  {}, {})) {</div>
|
|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  }</div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  propagate = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  }</div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  </div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <span class="keyword">const</span> IntegerValue external_ub =</div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  shared_response_manager->SynchronizedInnerObjectiveUpperBound();</div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keyword">const</span> IntegerValue current_ub =</div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  integer_trail->UpperBound(objective->objective_var);</div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  <span class="keywordflow">if</span> (external_ub < current_ub) {</div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordflow">if</span> (!integer_trail->Enqueue(<a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(</div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  objective->objective_var, external_ub),</div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  {}, {})) {</div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  }</div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  propagate = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  }</div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  </div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <span class="keywordflow">if</span> (!propagate) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  </div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  VLOG(2) << <span class="stringliteral">"'"</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> << <span class="stringliteral">"' imports objective bounds: external ["</span></div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  << objective->ScaleIntegerObjective(external_lb) << <span class="stringliteral">", "</span></div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  << objective->ScaleIntegerObjective(external_ub) << <span class="stringliteral">"], current ["</span></div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  << objective->ScaleIntegerObjective(current_lb) << <span class="stringliteral">", "</span></div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  << objective->ScaleIntegerObjective(current_ub) << <span class="stringliteral">"]"</span>;</div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  </div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  <span class="keywordflow">return</span> solver->FinishPropagation();</div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  };</div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  </div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LevelZeroCallbackHelper>()->callbacks.push_back(</div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  import_objective_bounds);</div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> }</div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  </div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> <span class="keywordtype">void</span> LoadBaseModel(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  CHECK(shared_response_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="keyword">auto</span>* sat_solver = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  </div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <span class="comment">// Simple function for the few places where we do "return unsat()".</span></div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keyword">const</span> <span class="keyword">auto</span> unsat = [shared_response_manager, sat_solver, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>] {</div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  sat_solver->NotifyThatModelIsUnsat();</div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  absl::StrCat(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), <span class="stringliteral">" [loading]"</span>));</div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  };</div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  </div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <span class="comment">// We will add them all at once after model_proto is loaded.</span></div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerEncoder>()->DisableImplicationBetweenLiteral();</div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  </div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keyword">auto</span>* mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> view_all_booleans_as_integers =</div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() >= 2) ||</div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.search_branching() == SatParameters::FIXED_SEARCH &&</div>
|
|
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.search_strategy().empty());</div>
|
|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  mapping->CreateVariables(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, view_all_booleans_as_integers, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  mapping->DetectOptionalVariables(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  mapping->ExtractEncoding(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  mapping->PropagateEncodingFromEquivalenceRelations(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  </div>
|
|
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  <span class="comment">// Check the model is still feasible before continuing.</span></div>
|
|
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <span class="keywordflow">if</span> (sat_solver->IsModelUnsat()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  </div>
|
|
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  <span class="comment">// Force some variables to be fully encoded.</span></div>
|
|
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a27da77e2f3fc205f1b3b184db3c9bd77">MaybeFullyEncodeMoreVariables</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  </div>
|
|
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="comment">// Load the constraints.</span></div>
|
|
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  std::set<std::string> unsupported_types;</div>
|
|
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keywordtype">int</span> num_ignored_constraints = 0;</div>
|
|
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordflow">if</span> (mapping->ConstraintIsAlreadyLoaded(&<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) {</div>
|
|
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  ++num_ignored_constraints;</div>
|
|
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  }</div>
|
|
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  </div>
|
|
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#a1c3fa75911c74ce485e62814484c7ae7">LoadConstraint</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)) {</div>
|
|
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  unsupported_types.insert(<a class="code" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()));</div>
|
|
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  }</div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  </div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="comment">// We propagate after each new Boolean constraint but not the integer</span></div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="comment">// ones. So we call FinishPropagation() manually here.</span></div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <span class="comment">// Note that we only do that in debug mode as this can be really slow on</span></div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="comment">// certain types of problems with millions of constraints.</span></div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a>) {</div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <span class="keywordflow">if</span> (sat_solver->FinishPropagation()) {</div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  Trail* trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<Trail>();</div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_fixed = trail->Index();</div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="keywordflow">if</span> (trail->Index() > old_num_fixed) {</div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  VLOG(3) << <span class="stringliteral">"Constraint fixed "</span> << trail->Index() - old_num_fixed</div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  << <span class="stringliteral">" Boolean variable(s): "</span> << <a class="code" href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">ProtobufDebugString</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  }</div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  }</div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  }</div>
|
|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <span class="keywordflow">if</span> (sat_solver->IsModelUnsat()) {</div>
|
|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  VLOG(2) << <span class="stringliteral">"UNSAT during extraction (after adding '"</span></div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  << <a class="code" href="namespaceoperations__research_1_1sat.html#acf5b1cbffc494f14e8b87c672d5dda5f">ConstraintCaseName</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) << <span class="stringliteral">"'). "</span></div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  << <a class="code" href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">ProtobufDebugString</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  }</div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  }</div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  <span class="keywordflow">if</span> (num_ignored_constraints > 0) {</div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  VLOG(3) << num_ignored_constraints << <span class="stringliteral">" constraints were skipped."</span>;</div>
|
|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  }</div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordflow">if</span> (!unsupported_types.empty()) {</div>
|
|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  VLOG(1) << <span class="stringliteral">"There is unsuported constraints types in this model: "</span>;</div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string& type : unsupported_types) {</div>
|
|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  VLOG(1) << <span class="stringliteral">" - "</span> << type;</div>
|
|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  }</div>
|
|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  }</div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  </div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerEncoder>()</div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  ->AddAllImplicationsBetweenAssociatedLiterals();</div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span> }</div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  </div>
|
|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span> <span class="keywordtype">void</span> LoadFeasibilityPump(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  CHECK(shared_response_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  </div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  LoadBaseModel(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  </div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  <span class="keyword">auto</span>* mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  </div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  <span class="comment">// Add linear constraints to Feasibility Pump.</span></div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  <span class="keyword">const</span> LinearRelaxation relaxation = ComputeLinearRelaxation(</div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level(), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_lp_constraints = relaxation.linear_constraints.size();</div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="keywordflow">if</span> (num_lp_constraints == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="keyword">auto</span>* feasibility_pump = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<FeasibilityPump>();</div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_lp_constraints; i++) {</div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  feasibility_pump->AddLinearConstraint(relaxation.linear_constraints[i]);</div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  }</div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  </div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs_size(); ++i) {</div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> =</div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  mapping->Integer(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().vars(i));</div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().coeffs(i);</div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  feasibility_pump->SetObjectiveCoefficient(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntegerValue(coeff));</div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  }</div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  }</div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> }</div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  </div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> <span class="comment">// Loads a CpModelProto inside the given model.</span></div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span> <span class="comment">// This should only be called once on a given 'Model' class.</span></div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> <span class="comment">// TODO(user): move to cp_model_loader.h/.cc</span></div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span> <span class="keywordtype">void</span> LoadCpModel(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  SharedResponseManager* shared_response_manager, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  CHECK(shared_response_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  <span class="keyword">auto</span>* sat_solver = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  </div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  LoadBaseModel(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  </div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  <span class="comment">// Simple function for the few places where we do "return unsat()".</span></div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keyword">const</span> <span class="keyword">auto</span> unsat = [shared_response_manager, sat_solver, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>] {</div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  sat_solver->NotifyThatModelIsUnsat();</div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  absl::StrCat(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name(), <span class="stringliteral">" [loading]"</span>));</div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  };</div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  </div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <span class="keyword">auto</span>* mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>());</div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  </div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  <span class="comment">// Auto detect "at least one of" constraints in the PrecedencesPropagator.</span></div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="comment">// Note that we do that before we finish loading the problem (objective and</span></div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <span class="comment">// LP relaxation), because propagation will be faster at this point and it</span></div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="comment">// should be enough for the purpose of this auto-detection.</span></div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<PrecedencesPropagator>() != <span class="keyword">nullptr</span> &&</div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.auto_detect_greater_than_at_least_one_of()) {</div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<PrecedencesPropagator>()</div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  ->AddGreaterThanAtLeastOneOfConstraints(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  }</div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  </div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="comment">// TODO(user): This should be done in the presolve instead.</span></div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="comment">// TODO(user): We don't have a good deterministic time on all constraints,</span></div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="comment">// so this might take more time than wanted.</span></div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_model_probing_level() > 1) {</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a33bff3781b729e27219201cf5a05a140">ProbeBooleanVariables</a>(<span class="comment">/*deterministic_time_limit=*/</span>1.0, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->IsModelUnsat()) {</div>
|
|
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  }</div>
|
|
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<BinaryImplicationGraph>()</div>
|
|
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  ->ComputeTransitiveReduction()) {</div>
|
|
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  }</div>
|
|
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  }</div>
|
|
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  </div>
|
|
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">// Create an objective variable and its associated linear constraint if</span></div>
|
|
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <span class="comment">// needed.</span></div>
|
|
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  IntegerVariable objective_var = <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
|
|
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() > 0) {</div>
|
|
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  <span class="comment">// Linearize some part of the problem and register LP constraint(s).</span></div>
|
|
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  objective_var =</div>
|
|
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  AddLPConstraints(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level(), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  <span class="keyword">const</span> CpObjectiveProto& obj = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
|
|
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  std::vector<std::pair<IntegerVariable, int64>> terms;</div>
|
|
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  terms.reserve(obj.vars_size());</div>
|
|
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < obj.vars_size(); ++i) {</div>
|
|
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  terms.push_back(</div>
|
|
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  std::make_pair(mapping->Integer(obj.vars(i)), obj.coeffs(i)));</div>
|
|
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  }</div>
|
|
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
|
|
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  objective_var = GetOrCreateVariableWithTightBound(terms, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  objective_var = GetOrCreateVariableGreaterOrEqualToSumOf(terms, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  }</div>
|
|
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  }</div>
|
|
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  </div>
|
|
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="comment">// Create the objective definition inside the Model so that it can be accessed</span></div>
|
|
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="comment">// by the heuristics than needs it.</span></div>
|
|
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="keywordflow">if</span> (objective_var != <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) {</div>
|
|
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keyword">const</span> CpObjectiveProto& objective_proto = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
|
|
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="keyword">auto</span>* objective_definition = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  </div>
|
|
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  objective_definition->scaling_factor = objective_proto.scaling_factor();</div>
|
|
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="keywordflow">if</span> (objective_definition->scaling_factor == 0.0) {</div>
|
|
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  objective_definition->scaling_factor = 1.0;</div>
|
|
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  }</div>
|
|
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  objective_definition->offset = objective_proto.offset();</div>
|
|
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  objective_definition->objective_var = objective_var;</div>
|
|
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  </div>
|
|
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = objective_proto.vars_size();</div>
|
|
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  objective_definition->vars.resize(size);</div>
|
|
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  objective_definition->coeffs.resize(size);</div>
|
|
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < objective_proto.vars_size(); ++i) {</div>
|
|
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  <span class="comment">// Note that if there is no mapping, then the variable will be</span></div>
|
|
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="comment">// kNoIntegerVariable.</span></div>
|
|
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  objective_definition->vars[i] = mapping->Integer(objective_proto.vars(i));</div>
|
|
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  objective_definition->coeffs[i] = IntegerValue(objective_proto.coeffs(i));</div>
|
|
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  </div>
|
|
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  <span class="comment">// Fill the objective heuristics data.</span></div>
|
|
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = objective_proto.vars(i);</div>
|
|
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="keywordflow">if</span> (mapping->IsInteger(ref)) {</div>
|
|
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->Integer(objective_proto.vars(i));</div>
|
|
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  objective_definition->objective_impacting_variables.insert(</div>
|
|
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  objective_proto.coeffs(i) > 0 ? <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  }</div>
|
|
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  }</div>
|
|
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  }</div>
|
|
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  </div>
|
|
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  <span class="comment">// Intersect the objective domain with the given one if any.</span></div>
|
|
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().domain().empty()) {</div>
|
|
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="keyword">const</span> Domain user_domain = <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective());</div>
|
|
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  <span class="keyword">const</span> Domain automatic_domain =</div>
|
|
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>()->InitialVariableDomain(</div>
|
|
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  objective_var);</div>
|
|
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  VLOG(3) << <span class="stringliteral">"Objective offset:"</span> << <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().offset()</div>
|
|
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  << <span class="stringliteral">" scaling_factor:"</span> << <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective().scaling_factor();</div>
|
|
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  VLOG(3) << <span class="stringliteral">"Automatic internal objective domain: "</span> << automatic_domain;</div>
|
|
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  VLOG(3) << <span class="stringliteral">"User specified internal objective domain: "</span> << user_domain;</div>
|
|
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  CHECK_NE(objective_var, <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
|
|
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> ok = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>()->UpdateInitialDomain(</div>
|
|
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  objective_var, user_domain);</div>
|
|
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keywordflow">if</span> (!ok) {</div>
|
|
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  VLOG(2) << <span class="stringliteral">"UNSAT due to the objective domain."</span>;</div>
|
|
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  }</div>
|
|
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  </div>
|
|
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  <span class="comment">// Make sure the sum take a value inside the objective domain by adding</span></div>
|
|
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="comment">// the other side: objective <= sum terms.</span></div>
|
|
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="comment">// TODO(user): Use a better condition to detect when this is not useful.</span></div>
|
|
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <span class="comment">// Note also that for the core algorithm, we might need the other side too,</span></div>
|
|
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="comment">// otherwise we could return feasible solution with an objective above the</span></div>
|
|
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="comment">// user specified upper bound.</span></div>
|
|
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  <span class="keywordflow">if</span> (!automatic_domain.IsIncludedIn(user_domain)) {</div>
|
|
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  std::vector<IntegerVariable> vars;</div>
|
|
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  std::vector<int64> coeffs;</div>
|
|
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  <span class="keyword">const</span> CpObjectiveProto& obj = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.objective();</div>
|
|
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < obj.vars_size(); ++i) {</div>
|
|
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  vars.push_back(mapping->Integer(obj.vars(i)));</div>
|
|
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  coeffs.push_back(obj.coeffs(i));</div>
|
|
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  }</div>
|
|
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  vars.push_back(objective_var);</div>
|
|
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  coeffs.push_back(-1);</div>
|
|
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1997882201b68c607f2aef7e7369ef67">WeightedSumGreaterOrEqual</a>(vars, coeffs, 0));</div>
|
|
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  }</div>
|
|
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  }</div>
|
|
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  </div>
|
|
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <span class="comment">// Note that we do one last propagation at level zero once all the</span></div>
|
|
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  <span class="comment">// constraints were added.</span></div>
|
|
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  <span class="keywordflow">if</span> (!sat_solver->FinishPropagation()) <span class="keywordflow">return</span> unsat();</div>
|
|
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  </div>
|
|
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="comment">// Report the initial objective variable bounds.</span></div>
|
|
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  shared_response_manager->UpdateInnerObjectiveBounds(</div>
|
|
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="stringliteral">"init"</span>, integer_trail->LowerBound(objective_var),</div>
|
|
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  integer_trail->UpperBound(objective_var));</div>
|
|
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  </div>
|
|
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="comment">// Watch improved objective best bounds.</span></div>
|
|
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  RegisterObjectiveBestBoundExport(objective_var, shared_response_manager,</div>
|
|
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  </div>
|
|
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  <span class="comment">// Import objective bounds.</span></div>
|
|
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  <span class="comment">// TODO(user): Support objective bounds import in LNS and Core based</span></div>
|
|
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  <span class="comment">// search.</span></div>
|
|
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->share_objective_bounds()) {</div>
|
|
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  RegisterObjectiveBoundsImport(shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  }</div>
|
|
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  }</div>
|
|
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  </div>
|
|
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  <span class="comment">// Cache the links between model vars, IntegerVariables and lp constraints.</span></div>
|
|
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  <span class="comment">// TODO(user): Cache this only if it is actually used.</span></div>
|
|
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <span class="keyword">auto</span>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="keyword">auto</span>* lp_dispatcher = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LinearProgrammingDispatcher>();</div>
|
|
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  <span class="keyword">auto</span>* lp_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<LPVariables>();</div>
|
|
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  IntegerVariable size = integer_trail->NumIntegerVariables();</div>
|
|
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keywordflow">for</span> (IntegerVariable positive_var(0); positive_var < size;</div>
|
|
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  positive_var += 2) {</div>
|
|
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  LPVariable lp_var;</div>
|
|
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  lp_var.positive_var = positive_var;</div>
|
|
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  lp_var.model_var =</div>
|
|
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  mapping->GetProtoVariableFromIntegerVariable(positive_var);</div>
|
|
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  lp_var.lp = <a class="code" href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">gtl::FindWithDefault</a>(*lp_dispatcher, positive_var, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  </div>
|
|
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  <span class="keywordflow">if</span> (lp_var.model_var >= 0) {</div>
|
|
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  lp_vars->vars.push_back(lp_var);</div>
|
|
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  lp_vars->model_vars_size =</div>
|
|
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(lp_vars->model_vars_size, lp_var.model_var + 1);</div>
|
|
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  }</div>
|
|
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  }</div>
|
|
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  </div>
|
|
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  <span class="comment">// Initialize the fixed_search strategy.</span></div>
|
|
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  <span class="keyword">auto</span>* search_heuristics = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SearchHeuristics>();</div>
|
|
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  search_heuristics->fixed_search = <a class="code" href="namespaceoperations__research_1_1sat.html#a36fb5f468cf9d2ccab83c7eaa6978213">ConstructSearchStrategy</a>(</div>
|
|
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, mapping->GetVariableMapping(), objective_var, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  <span class="keywordflow">if</span> (VLOG_IS_ON(3)) {</div>
|
|
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  search_heuristics->fixed_search =</div>
|
|
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a1b58410ae2ce448fc8c147879154c5cc">InstrumentSearchStrategy</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, mapping->GetVariableMapping(),</div>
|
|
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  search_heuristics->fixed_search, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  }</div>
|
|
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  </div>
|
|
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  <span class="comment">// Initialize the "follow hint" strategy.</span></div>
|
|
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  std::vector<BooleanOrIntegerVariable> vars;</div>
|
|
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  std::vector<IntegerValue> values;</div>
|
|
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
|
|
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
|
|
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref));</div>
|
|
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  BooleanOrIntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
|
|
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="keywordflow">if</span> (mapping->IsBoolean(ref)) {</div>
|
|
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.bool_var = mapping->Literal(ref).Variable();</div>
|
|
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.int_var = mapping->Integer(ref);</div>
|
|
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  }</div>
|
|
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  vars.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  values.push_back(IntegerValue(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i)));</div>
|
|
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  }</div>
|
|
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  search_heuristics->hint_search = <a class="code" href="namespaceoperations__research_1_1sat.html#aebc63ea48859616e1fb66c1adc807502">FollowHint</a>(vars, values, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  </div>
|
|
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  <span class="comment">// Create the CoreBasedOptimizer class if needed.</span></div>
|
|
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
|
|
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  <span class="comment">// TODO(user): Remove code duplication with the solution_observer in</span></div>
|
|
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="comment">// SolveLoadedCpModel().</span></div>
|
|
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <span class="keyword">const</span> std::string solution_info = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  <span class="keyword">const</span> <span class="keyword">auto</span> solution_observer = [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, solution_info,</div>
|
|
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>  shared_response_manager]() {</div>
|
|
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  FillSolutionInResponse(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(solution_info);</div>
|
|
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  shared_response_manager-><a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  };</div>
|
|
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  </div>
|
|
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& objective = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  CoreBasedOptimizer* core =</div>
|
|
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  <span class="keyword">new</span> CoreBasedOptimizer(objective_var, objective.vars, objective.coeffs,</div>
|
|
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  solution_observer, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Register<CoreBasedOptimizer>(core);</div>
|
|
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->TakeOwnership(core);</div>
|
|
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  }</div>
|
|
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span> }</div>
|
|
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  </div>
|
|
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span> <span class="comment">// Solves an already loaded cp_model_proto.</span></div>
|
|
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span> <span class="comment">// The final CpSolverResponse must be read from the shared_response_manager.</span></div>
|
|
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> <span class="comment">// TODO(user): This should be transformed so that it can be called many times</span></div>
|
|
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span> <span class="comment">// and resume from the last search state as if it wasn't interuped. That would</span></div>
|
|
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span> <span class="comment">// allow use to easily interleave different heuristics in the same thread.</span></div>
|
|
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span> <span class="keywordtype">void</span> SolveLoadedCpModel(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  </div>
|
|
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  <span class="keyword">const</span> std::string& solution_info = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  <span class="keyword">const</span> <span class="keyword">auto</span> solution_observer = [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &solution_info,</div>
|
|
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  &shared_response_manager]() {</div>
|
|
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  FillSolutionInResponse(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(solution_info);</div>
|
|
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  shared_response_manager-><a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  };</div>
|
|
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>  </div>
|
|
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="comment">// Reconfigure search heuristic if it was changed.</span></div>
|
|
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  </div>
|
|
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> status;</div>
|
|
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
|
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  status = <a class="code" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
|
|
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  mapping.Literals(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  <span class="keywordflow">if</span> (status != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">SatSolver::Status::FEASIBLE</a>) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  solution_observer();</div>
|
|
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.enumerate_all_solutions()) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a>());</div>
|
|
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  }</div>
|
|
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  solution_info);</div>
|
|
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  }</div>
|
|
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70bae5ba802809eb747ea486ca3fae32a885">SatSolver::ASSUMPTIONS_UNSAT</a>) {</div>
|
|
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  solution_info);</div>
|
|
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  </div>
|
|
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  <span class="comment">// Extract a good subset of assumptions and add it to the response.</span></div>
|
|
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  <span class="keyword">auto</span>* sat_solver = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>();</div>
|
|
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  std::vector<Literal> core = sat_solver->GetLastIncompatibleDecisions();</div>
|
|
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a1cac2cd3c9787a2ef23eba760104007a">MinimizeCoreWithPropagation</a>(sat_solver, &core);</div>
|
|
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  std::vector<int> core_in_proto_format;</div>
|
|
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : core) {</div>
|
|
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  core_in_proto_format.push_back(</div>
|
|
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  mapping.GetProtoVariableFromBooleanVariable(l.Variable()));</div>
|
|
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  <span class="keywordflow">if</span> (!l.IsPositive()) {</div>
|
|
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  core_in_proto_format.back() = <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(core_in_proto_format.back());</div>
|
|
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  }</div>
|
|
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  }</div>
|
|
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  shared_response_manager->AddUnsatCore(core_in_proto_format);</div>
|
|
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  }</div>
|
|
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <span class="comment">// Optimization problem.</span></div>
|
|
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& objective = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>();</div>
|
|
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  <span class="keyword">const</span> IntegerVariable objective_var = objective.objective_var;</div>
|
|
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  CHECK_NE(objective_var, <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>);</div>
|
|
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  </div>
|
|
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_core()) {</div>
|
|
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <span class="comment">// TODO(user): This doesn't work with splitting in chunk for now. It</span></div>
|
|
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="comment">// shouldn't be too hard to fix.</span></div>
|
|
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_max_hs()) {</div>
|
|
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  status = <a class="code" href="namespaceoperations__research_1_1sat.html#a7d1c65f24756bb9dad18da1f5e82bb9c">MinimizeWithHittingSetAndLazyEncoding</a>(</div>
|
|
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  objective, solution_observer, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  status = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Mutable<CoreBasedOptimizer>()->Optimize();</div>
|
|
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  }</div>
|
|
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="comment">// TODO(user): This parameter break the splitting in chunk of a Solve().</span></div>
|
|
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <span class="comment">// It should probably be moved into another SubSolver altogether.</span></div>
|
|
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.binary_search_num_conflicts() >= 0) {</div>
|
|
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a166c4d1be17bdfcad1986b1f72c49e52">RestrictObjectiveDomainWithBinarySearch</a>(objective_var,</div>
|
|
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  solution_observer, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  }</div>
|
|
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  status = <a class="code" href="namespaceoperations__research_1_1sat.html#affe1669ec9e0e7cbd54e895bbbff43af">MinimizeIntegerVariableWithLinearScanAndLazyEncoding</a>(</div>
|
|
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  objective_var, solution_observer, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  }</div>
|
|
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  </div>
|
|
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  <span class="comment">// The search is done in both case.</span></div>
|
|
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  <span class="comment">// TODO(user): Remove the weird translation INFEASIBLE->FEASIBLE in the</span></div>
|
|
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  <span class="comment">// function above?</span></div>
|
|
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a> || status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  solution_info);</div>
|
|
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  }</div>
|
|
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  }</div>
|
|
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  </div>
|
|
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  <span class="comment">// TODO(user): Remove from here when we split in chunk. We just want to</span></div>
|
|
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="comment">// do that at the end.</span></div>
|
|
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  shared_response_manager->SetStatsFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span> }</div>
|
|
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  </div>
|
|
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</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 name="l01607"></a><span class="lineno"> 1607</span> <span class="comment">// The CpModelProto must already be loaded in the Model.</span></div>
|
|
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span> <span class="keywordtype">void</span> QuickSolveWithHint(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  </div>
|
|
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="comment">// Temporarily change the parameters.</span></div>
|
|
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  <span class="keyword">auto</span>* <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  <span class="keyword">const</span> SatParameters saved_params = *<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_max_number_of_conflicts(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->hint_conflict_limit());</div>
|
|
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_search_branching(SatParameters::HINT_SEARCH);</div>
|
|
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_optimize_with_core(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <span class="keyword">auto</span> cleanup = <a class="code" href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">::absl::MakeCleanup</a>(</div>
|
|
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  [<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, saved_params]() { *<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = saved_params; });</div>
|
|
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  </div>
|
|
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  <span class="comment">// Solve decision problem.</span></div>
|
|
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> status = <a class="code" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
|
|
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  mapping.Literals(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  </div>
|
|
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  <span class="keyword">const</span> std::string& solution_info = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  <span class="keywordflow">if</span> (status == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">SatSolver::Status::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  FillSolutionInResponse(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solution_info(absl::StrCat(solution_info, <span class="stringliteral">" [hint]"</span>));</div>
|
|
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  shared_response_manager-><a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  </div>
|
|
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->enumerate_all_solutions()) {</div>
|
|
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#ab052eee1f91ef47d1e5a162c2dfdd355">ExcludeCurrentSolutionWithoutIgnoredVariableAndBacktrack</a>());</div>
|
|
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  }</div>
|
|
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  <span class="comment">// Restrict the objective.</span></div>
|
|
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  <span class="keyword">const</span> IntegerVariable objective_var =</div>
|
|
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<ObjectiveDefinition>()->objective_var;</div>
|
|
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatSolver>()->Backtrack(0);</div>
|
|
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  IntegerTrail* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<IntegerTrail>();</div>
|
|
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  <span class="keywordflow">if</span> (!integer_trail->Enqueue(</div>
|
|
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(</div>
|
|
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  objective_var,</div>
|
|
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  shared_response_manager->GetInnerObjectiveUpperBound()),</div>
|
|
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  {}, {})) {</div>
|
|
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  shared_response_manager->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  absl::StrCat(solution_info, <span class="stringliteral">" [hint]"</span>));</div>
|
|
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  shared_response_manager->SetStatsFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  }</div>
|
|
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  }</div>
|
|
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  }</div>
|
|
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span> }</div>
|
|
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  </div>
|
|
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span> <span class="comment">// Solve a model with a different objective consisting of minimizing the L1</span></div>
|
|
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span> <span class="comment">// distance with the provided hint. Note that this method creates an in-memory</span></div>
|
|
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span> <span class="comment">// copy of the model and loads a local Model object from the copied model.</span></div>
|
|
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span> <span class="keywordtype">void</span> MinimizeL1DistanceWithHint(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  SharedTimeLimit* shared_time_limit,</div>
|
|
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  Model local_model;</div>
|
|
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  <span class="keywordflow">if</span> (shared_response_manager->ProblemIsSolved()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>  </div>
|
|
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="keyword">auto</span>* <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = local_model.GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  <span class="comment">// TODO(user): As of now the repair hint doesn't support when</span></div>
|
|
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <span class="comment">// enumerate_all_solutions is set since the solution is created on a different</span></div>
|
|
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  <span class="comment">// model.</span></div>
|
|
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->enumerate_all_solutions()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  </div>
|
|
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  <span class="comment">// Change the parameters.</span></div>
|
|
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  <span class="keyword">const</span> SatParameters saved_params = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  *<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = saved_params;</div>
|
|
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_max_number_of_conflicts(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->hint_conflict_limit());</div>
|
|
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->set_optimize_with_core(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  </div>
|
|
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  <span class="comment">// Update the model to introduce penalties to go away from hinted values.</span></div>
|
|
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  CpModelProto updated_model_proto = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
|
|
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  updated_model_proto.clear_objective();</div>
|
|
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  </div>
|
|
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  <span class="comment">// TODO(user): For boolean variables we can avoid creating new variables.</span></div>
|
|
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars_size(); ++i) {</div>
|
|
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().vars(i);</div>
|
|
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.solution_hint().values(i);</div>
|
|
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  </div>
|
|
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  <span class="comment">// Add a new var to represent the difference between var and value.</span></div>
|
|
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> new_var_index = updated_model_proto.variables_size();</div>
|
|
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  IntegerVariableProto* var_proto = updated_model_proto.add_variables();</div>
|
|
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_domain = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain(0) - <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
|
|
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_domain = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain(</div>
|
|
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).domain_size() - 1) -</div>
|
|
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
|
|
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  var_proto->add_domain(min_domain);</div>
|
|
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  var_proto->add_domain(max_domain);</div>
|
|
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  </div>
|
|
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  <span class="comment">// new_var = var - value.</span></div>
|
|
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  ConstraintProto* <span class="keyword">const</span> linear_constraint_proto =</div>
|
|
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  updated_model_proto.add_constraints();</div>
|
|
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  LinearConstraintProto* linear = linear_constraint_proto->mutable_linear();</div>
|
|
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  linear->add_vars(new_var_index);</div>
|
|
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  linear->add_coeffs(1);</div>
|
|
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  linear->add_vars(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  linear->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  linear->add_domain(-<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  linear->add_domain(-<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  </div>
|
|
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  <span class="comment">// abs_var = abs(new_var).</span></div>
|
|
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> abs_var_index = updated_model_proto.variables_size();</div>
|
|
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  IntegerVariableProto* abs_var_proto = updated_model_proto.add_variables();</div>
|
|
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> abs_min_domain = 0;</div>
|
|
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> abs_max_domain =</div>
|
|
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(std::abs(min_domain), std::abs(max_domain));</div>
|
|
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  abs_var_proto->add_domain(abs_min_domain);</div>
|
|
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  abs_var_proto->add_domain(abs_max_domain);</div>
|
|
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  ConstraintProto* <span class="keyword">const</span> abs_constraint_proto =</div>
|
|
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  updated_model_proto.add_constraints();</div>
|
|
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  abs_constraint_proto->mutable_int_max()->set_target(abs_var_index);</div>
|
|
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  abs_constraint_proto->mutable_int_max()->add_vars(new_var_index);</div>
|
|
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  abs_constraint_proto->mutable_int_max()->add_vars(</div>
|
|
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(new_var_index));</div>
|
|
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  </div>
|
|
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  updated_model_proto.mutable_objective()->add_vars(abs_var_index);</div>
|
|
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  updated_model_proto.mutable_objective()->add_coeffs(1);</div>
|
|
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  }</div>
|
|
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  </div>
|
|
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  SharedResponseManager local_response_manager(</div>
|
|
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  <span class="comment">/*log_updates=*/</span><span class="keyword">false</span>, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>->enumerate_all_solutions(),</div>
|
|
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  &updated_model_proto, <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, shared_time_limit);</div>
|
|
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  </div>
|
|
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  local_model.Register<SharedResponseManager>(&local_response_manager);</div>
|
|
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  </div>
|
|
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  <span class="comment">// Solve optimization problem.</span></div>
|
|
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  LoadCpModel(updated_model_proto, &local_response_manager, &local_model);</div>
|
|
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  </div>
|
|
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e">ConfigureSearchHeuristics</a>(&local_model);</div>
|
|
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& mapping = *local_model.GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> status = <a class="code" href="namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a">ResetAndSolveIntegerProblem</a>(</div>
|
|
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  mapping.Literals(updated_model_proto.assumptions()), &local_model);</div>
|
|
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  </div>
|
|
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  <span class="keyword">const</span> std::string& solution_info = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Name();</div>
|
|
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  <span class="keywordflow">if</span> (status == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">SatSolver::Status::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  FillSolutionInResponse(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, local_model, &<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a>) {</div>
|
|
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  CpSolverResponse updated_response;</div>
|
|
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  FillSolutionInResponse(updated_model_proto, local_model,</div>
|
|
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  &updated_response);</div>
|
|
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>  LOG(INFO) << <span class="stringliteral">"Found solution with repaired hint penalty = "</span></div>
|
|
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  << <a class="code" href="namespaceoperations__research_1_1sat.html#a44f635d04529be503aa7f14917185a37">ComputeInnerObjective</a>(updated_model_proto.objective(),</div>
|
|
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  updated_response);</div>
|
|
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  }</div>
|
|
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  <a class="code" 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 name="l01760"></a><span class="lineno"> 1760</span>  shared_response_manager-><a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, &local_model);</div>
|
|
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  }</div>
|
|
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span> }</div>
|
|
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  </div>
|
|
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span> <span class="comment">// TODO(user): If this ever shows up in the profile, we could avoid copying</span></div>
|
|
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span> <span class="comment">// the mapping_proto if we are careful about how we modify the variable domain</span></div>
|
|
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span> <span class="comment">// before postsolving it. Note that 'num_variables_in_original_model' refers to</span></div>
|
|
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span> <span class="comment">// the model before presolve.</span></div>
|
|
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span> <span class="keywordtype">void</span> PostsolveResponseWithFullSolver(</div>
|
|
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_variables_in_original_model, CpModelProto mapping_proto,</div>
|
|
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  <span class="keyword">const</span> std::vector<int>& postsolve_mapping, <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a> &&</div>
|
|
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a>) {</div>
|
|
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  }</div>
|
|
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  </div>
|
|
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  <span class="comment">// If presolve was not called, the mapping model is empty.</span></div>
|
|
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  <span class="keywordflow">if</span> (mapping_proto.variables_size() == 0) {</div>
|
|
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  }</div>
|
|
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  </div>
|
|
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  <span class="comment">// Postsolve.</span></div>
|
|
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_size(); ++i) {</div>
|
|
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  <span class="keyword">auto</span>* var_proto = mapping_proto.mutable_variables(postsolve_mapping[i]);</div>
|
|
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  var_proto->clear_domain();</div>
|
|
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  var_proto->add_domain(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution(i));</div>
|
|
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  var_proto->add_domain(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution(i));</div>
|
|
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  }</div>
|
|
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_lower_bounds_size(); ++i) {</div>
|
|
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="keyword">auto</span>* var_proto = mapping_proto.mutable_variables(postsolve_mapping[i]);</div>
|
|
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(</div>
|
|
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(*var_proto)</div>
|
|
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  .IntersectionWith({<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_lower_bounds(i),</div>
|
|
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_upper_bounds(i)}),</div>
|
|
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  var_proto);</div>
|
|
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  }</div>
|
|
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  </div>
|
|
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  <span class="comment">// Postosolve parameters.</span></div>
|
|
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  <span class="comment">// TODO(user): this problem is usually trivial, but we may still want to</span></div>
|
|
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  <span class="comment">// impose a time limit or copy some of the parameters passed by the user.</span></div>
|
|
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  Model postsolve_model;</div>
|
|
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  {</div>
|
|
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  SatParameters params;</div>
|
|
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  params.set_linearization_level(0);</div>
|
|
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  params.set_cp_model_probing_level(0);</div>
|
|
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  postsolve_model.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">operations_research::sat::NewSatParameters</a>(params));</div>
|
|
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  }</div>
|
|
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  </div>
|
|
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  std::unique_ptr<TimeLimit> <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>(<a class="code" href="classoperations__research_1_1_time_limit.html#a517ffd071860d7efd76134e25f6f03e1">TimeLimit::Infinite</a>());</div>
|
|
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  SharedTimeLimit shared_time_limit(<a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>.get());</div>
|
|
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  SharedResponseManager local_response_manager(</div>
|
|
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  <span class="comment">/*log_updates=*/</span><span class="keyword">false</span>, <span class="comment">/*enumerate_all_solutions=*/</span><span class="keyword">false</span>, &mapping_proto,</div>
|
|
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, &shared_time_limit);</div>
|
|
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  LoadCpModel(mapping_proto, &local_response_manager, &postsolve_model);</div>
|
|
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  SolveLoadedCpModel(mapping_proto, &local_response_manager, &postsolve_model);</div>
|
|
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="keyword">const</span> CpSolverResponse postsolve_response =</div>
|
|
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  local_response_manager.GetResponse();</div>
|
|
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  CHECK(postsolve_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a> ||</div>
|
|
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  postsolve_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a>);</div>
|
|
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  </div>
|
|
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  <span class="comment">// We only copy the solution from the postsolve_response to the response.</span></div>
|
|
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution();</div>
|
|
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution_lower_bounds();</div>
|
|
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->clear_solution_upper_bounds();</div>
|
|
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <span class="keywordflow">if</span> (!postsolve_response.solution().empty()) {</div>
|
|
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_variables_in_original_model; ++i) {</div>
|
|
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution(postsolve_response.solution(i));</div>
|
|
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  }</div>
|
|
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_variables_in_original_model; ++i) {</div>
|
|
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_lower_bounds(</div>
|
|
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  postsolve_response.solution_lower_bounds(i));</div>
|
|
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution_upper_bounds(</div>
|
|
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  postsolve_response.solution_upper_bounds(i));</div>
|
|
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  }</div>
|
|
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  }</div>
|
|
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span> }</div>
|
|
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  </div>
|
|
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span> <span class="keywordtype">void</span> PostsolveResponseWrapper(<span class="keyword">const</span> SatParameters& params,</div>
|
|
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_variables_in_original_model,</div>
|
|
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  <span class="keyword">const</span> CpModelProto& mapping_proto,</div>
|
|
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  <span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
|
|
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  <span class="keywordflow">if</span> (params.cp_model_postsolve_with_full_solver()) {</div>
|
|
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  PostsolveResponseWithFullSolver(num_variables_in_original_model,</div>
|
|
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  mapping_proto, postsolve_mapping,</div>
|
|
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a5a473cc8feeff625d0aea55310606f34">PostsolveResponse</a>(num_variables_in_original_model, mapping_proto,</div>
|
|
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  postsolve_mapping, <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  }</div>
|
|
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span> }</div>
|
|
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>  </div>
|
|
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span> <span class="comment">// TODO(user): Uniformize this function with the other one.</span></div>
|
|
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span> CpSolverResponse SolvePureSatModel(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  std::unique_ptr<SatSolver> solver(<span class="keyword">new</span> SatSolver());</div>
|
|
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  SatParameters <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  solver->SetParameters(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>()->ResetLimitFromParameters(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
|
|
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  </div>
|
|
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  <span class="comment">// Create a DratProofHandler?</span></div>
|
|
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  std::unique_ptr<DratProofHandler> drat_proof_handler;</div>
|
|
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <span class="keywordflow">if</span> (!FLAGS_drat_output.empty() || FLAGS_drat_check) {</div>
|
|
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  <span class="keywordflow">if</span> (!FLAGS_drat_output.empty()) {</div>
|
|
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  <a class="code" href="class_file.html">File</a>* output;</div>
|
|
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a>(FLAGS_drat_output, <span class="stringliteral">"w"</span>, &output, <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  drat_proof_handler = absl::make_unique<DratProofHandler>(</div>
|
|
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  <span class="comment">/*in_binary_format=*/</span><span class="keyword">false</span>, output, FLAGS_drat_check);</div>
|
|
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  drat_proof_handler = absl::make_unique<DratProofHandler>();</div>
|
|
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  }</div>
|
|
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  solver->SetDratProofHandler(drat_proof_handler.get());</div>
|
|
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  }</div>
|
|
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  </div>
|
|
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  <span class="keyword">auto</span> get_literal = [](<span class="keywordtype">int</span> ref) {</div>
|
|
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  <span class="keywordflow">if</span> (ref >= 0) <span class="keywordflow">return</span> Literal(BooleanVariable(ref), <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  <span class="keywordflow">return</span> Literal(BooleanVariable(<a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref)), <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  };</div>
|
|
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  </div>
|
|
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  std::vector<Literal> temp;</div>
|
|
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_variables = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size();</div>
|
|
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  solver->SetNumVariables(num_variables);</div>
|
|
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  <span class="keywordflow">if</span> (drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a0b58ef3a397720b272662f8bc45585cb">SetNumVariables</a>(num_variables);</div>
|
|
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  </div>
|
|
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  <span class="comment">// We load the model in the drat_proof_handler for the case where we want</span></div>
|
|
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  <span class="comment">// to do in-memory checking.</span></div>
|
|
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
|
|
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  <span class="keyword">const</span> Domain domain = <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(ref));</div>
|
|
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  <span class="keywordflow">if</span> (domain.IsFixed()) {</div>
|
|
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  <span class="keyword">const</span> Literal ref_literal =</div>
|
|
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  domain.Min() == 0 ? get_literal(ref).Negated() : get_literal(ref);</div>
|
|
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">AddProblemClause</a>({ref_literal});</div>
|
|
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  }</div>
|
|
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  }</div>
|
|
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  <span class="keywordflow">switch</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
|
|
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolAnd: {</div>
|
|
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal_size() == 0) {</div>
|
|
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">AddProblemClause</a>({get_literal(ref)});</div>
|
|
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>  }</div>
|
|
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  <span class="comment">// a => b</span></div>
|
|
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  <span class="keyword">const</span> Literal not_a =</div>
|
|
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  get_literal(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(0)).Negated();</div>
|
|
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">AddProblemClause</a>({not_a, get_literal(ref)});</div>
|
|
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>  }</div>
|
|
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  }</div>
|
|
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  }</div>
|
|
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolOr:</div>
|
|
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  temp.clear();</div>
|
|
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals()) {</div>
|
|
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  temp.push_back(get_literal(ref));</div>
|
|
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  }</div>
|
|
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">AddProblemClause</a>(temp);</div>
|
|
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  LOG(FATAL) << <span class="stringliteral">"Not supported"</span>;</div>
|
|
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  }</div>
|
|
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  }</div>
|
|
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  }</div>
|
|
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  </div>
|
|
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  <span class="keywordflow">switch</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
|
|
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolAnd: {</div>
|
|
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal_size() == 0) {</div>
|
|
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  <span class="keyword">const</span> Literal <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> = get_literal(ref);</div>
|
|
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  solver->AddUnitClause(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>);</div>
|
|
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  }</div>
|
|
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  <span class="comment">// a => b</span></div>
|
|
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  <span class="keyword">const</span> Literal not_a =</div>
|
|
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  get_literal(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal(0)).Negated();</div>
|
|
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_and().literals()) {</div>
|
|
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  <span class="keyword">const</span> Literal <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> = get_literal(ref);</div>
|
|
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  solver->AddProblemClause({not_a, <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>});</div>
|
|
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  }</div>
|
|
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  }</div>
|
|
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  }</div>
|
|
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  <span class="keywordflow">case</span> ConstraintProto::ConstraintCase::kBoolOr:</div>
|
|
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  temp.clear();</div>
|
|
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals()) {</div>
|
|
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  temp.push_back(get_literal(ref));</div>
|
|
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  }</div>
|
|
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>  solver->AddProblemClause(temp);</div>
|
|
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  LOG(FATAL) << <span class="stringliteral">"Not supported"</span>;</div>
|
|
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>  }</div>
|
|
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>  }</div>
|
|
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>  </div>
|
|
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>  <span class="comment">// Deal with fixed variables.</span></div>
|
|
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
|
|
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>  <span class="keyword">const</span> Domain domain = <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables(ref));</div>
|
|
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>  <span class="keywordflow">if</span> (domain.Min() == domain.Max()) {</div>
|
|
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>  <span class="keyword">const</span> Literal ref_literal =</div>
|
|
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>  domain.Min() == 0 ? get_literal(ref).Negated() : get_literal(ref);</div>
|
|
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>  solver->AddUnitClause(ref_literal);</div>
|
|
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>  }</div>
|
|
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>  }</div>
|
|
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>  </div>
|
|
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">SatSolver::Status</a> status;</div>
|
|
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.cp_model_presolve()) {</div>
|
|
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  std::vector<bool> solution;</div>
|
|
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  status = <a class="code" href="namespaceoperations__research_1_1sat.html#a38c2801a1b4798693c3a425b41e0356b">SolveWithPresolve</a>(&solver, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>(),</div>
|
|
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  &solution, drat_proof_handler.get());</div>
|
|
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.clear_solution();</div>
|
|
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
|
|
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_solution(solution[ref]);</div>
|
|
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>  }</div>
|
|
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  }</div>
|
|
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  status = solver->SolveWithTimeLimit(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>());</div>
|
|
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.clear_solution();</div>
|
|
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ref = 0; ref < num_variables; ++ref) {</div>
|
|
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_solution(</div>
|
|
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  solver->Assignment().LiteralIsTrue(get_literal(ref)) ? 1 : 0);</div>
|
|
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>  }</div>
|
|
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  }</div>
|
|
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  }</div>
|
|
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  </div>
|
|
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  <span class="comment">// Tricky: the model local time limit is updated by the new functions, but</span></div>
|
|
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  <span class="comment">// the old ones update time_limit directly.</span></div>
|
|
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<TimeLimit>()->AdvanceDeterministicTime(</div>
|
|
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  solver->model()->GetOrCreate<TimeLimit>()->GetElapsedDeterministicTime());</div>
|
|
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  </div>
|
|
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  <span class="keywordflow">switch</span> (status) {</div>
|
|
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba72c2402449caa8f3edc8aa0a3816baed">SatSolver::LIMIT_REACHED</a>: {</div>
|
|
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c">CpSolverStatus::UNKNOWN</a>);</div>
|
|
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  }</div>
|
|
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba03f919221217f95d21a593a7120165e1">SatSolver::FEASIBLE</a>: {</div>
|
|
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  std::vector<int64>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().begin(),</div>
|
|
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().end())));</div>
|
|
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a>);</div>
|
|
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  }</div>
|
|
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a>: {</div>
|
|
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>);</div>
|
|
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>  }</div>
|
|
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  LOG(FATAL) << <span class="stringliteral">"Unexpected SatSolver::Status "</span> << status;</div>
|
|
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  }</div>
|
|
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_booleans(solver->NumVariables());</div>
|
|
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_branches(solver->num_branches());</div>
|
|
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_conflicts(solver->num_failures());</div>
|
|
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_binary_propagations(solver->num_propagations());</div>
|
|
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_num_integer_propagations(0);</div>
|
|
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_wall_time(<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_deterministic_time(</div>
|
|
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<TimeLimit>()->GetElapsedDeterministicTime());</div>
|
|
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  </div>
|
|
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  <span class="keywordflow">if</span> (status == <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba2884fa43446c0cbc9c7a9b74d41d7483">SatSolver::INFEASIBLE</a> && drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  <a class="code" href="class_wall_timer.html">WallTimer</a> drat_timer;</div>
|
|
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>  drat_timer.<a class="code" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">DratChecker::Status</a> drat_status =</div>
|
|
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  drat_proof_handler-><a class="code" href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a29037e50da43e6bda147d22c452fb91d">Check</a>(FLAGS_max_drat_time_in_seconds);</div>
|
|
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>  <span class="keywordflow">switch</span> (drat_status) {</div>
|
|
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70ba6ce26a62afab55d7606ad4e92428b30c">DratChecker::UNKNOWN</a>:</div>
|
|
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  LOG(INFO) << <span class="stringliteral">"DRAT status: UNKNOWN"</span>;</div>
|
|
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70bacf0713491d9b887eaccfd80c18abca47">DratChecker::VALID</a>:</div>
|
|
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  LOG(INFO) << <span class="stringliteral">"DRAT status: VALID"</span>;</div>
|
|
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1sat_1_1_drat_checker.html#a67a0db04d321a74b7e7fcfd3f1a3f70baef2863a469df3ea6871d640e3669a2f2">DratChecker::INVALID</a>:</div>
|
|
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  LOG(ERROR) << <span class="stringliteral">"DRAT status: INVALID"</span>;</div>
|
|
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  <span class="comment">// Should not happen.</span></div>
|
|
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>  }</div>
|
|
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>  LOG(INFO) << <span class="stringliteral">"DRAT wall time: "</span> << drat_timer.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>();</div>
|
|
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (drat_proof_handler != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>  <span class="comment">// Always log a DRAT status to make it easier to extract it from a multirun</span></div>
|
|
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>  <span class="comment">// result with awk.</span></div>
|
|
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>  LOG(INFO) << <span class="stringliteral">"DRAT status: NA"</span>;</div>
|
|
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>  LOG(INFO) << <span class="stringliteral">"DRAT wall time: NA"</span>;</div>
|
|
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>  LOG(INFO) << <span class="stringliteral">"DRAT user time: NA"</span>;</div>
|
|
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>  }</div>
|
|
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span> }</div>
|
|
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  </div>
|
|
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>  </div>
|
|
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span> <span class="comment">// Small wrapper to simplify the constructions of the two SubSolver below.</span></div>
|
|
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span> <span class="keyword">struct </span>SharedClasses {</div>
|
|
<div class="line"><a name="l02061"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84"> 2061</a></span>  CpModelProto <span class="keyword">const</span>* <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
|
|
<div class="line"><a name="l02062"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf"> 2062</a></span>  <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>;</div>
|
|
<div class="line"><a name="l02063"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47"> 2063</a></span>  SharedTimeLimit* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>;</div>
|
|
<div class="line"><a name="l02064"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a06dad0852d85b0686e01c084207c03a7"> 2064</a></span>  SharedBoundsManager* <a class="code" href="cp__model__solver_8cc.html#a06dad0852d85b0686e01c084207c03a7">bounds</a>;</div>
|
|
<div class="line"><a name="l02065"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829"> 2065</a></span>  SharedResponseManager* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l02066"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8"> 2066</a></span>  SharedRelaxationSolutionRepository* <a class="code" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a>;</div>
|
|
<div class="line"><a name="l02067"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606"> 2067</a></span>  SharedLPSolutionRepository* <a class="code" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a>;</div>
|
|
<div class="line"><a name="l02068"></a><span class="lineno"><a class="line" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4"> 2068</a></span>  SharedIncompleteSolutionManager* <a class="code" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a>;</div>
|
|
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  </div>
|
|
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>  <span class="keywordtype">bool</span> SearchIsDone() {</div>
|
|
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->ProblemIsSolved()) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->LimitReached()) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  }</div>
|
|
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span> };</div>
|
|
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  </div>
|
|
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span> <span class="comment">// Encapsulate a full CP-SAT solve without presolve in the SubSolver API.</span></div>
|
|
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span> <span class="keyword">class </span>FullProblemSolver : <span class="keyword">public</span> SubSolver {</div>
|
|
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>  FullProblemSolver(<span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
|
|
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>  <span class="keyword">const</span> SatParameters& local_parameters, <span class="keywordtype">bool</span> split_in_chunks,</div>
|
|
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>  SharedClasses* shared)</div>
|
|
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  : SubSolver(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>),</div>
|
|
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>  shared_(shared),</div>
|
|
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  split_in_chunks_(split_in_chunks),</div>
|
|
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>  local_model_(<a class="code" href="namespaceabsl.html">absl</a>::make_unique<Model>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)) {</div>
|
|
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>  <span class="comment">// Setup the local model parameters and time limit.</span></div>
|
|
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  local_model_->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(local_parameters));</div>
|
|
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>  shared_->time_limit->UpdateLocalLimit(</div>
|
|
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>  local_model_->GetOrCreate<TimeLimit>());</div>
|
|
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>  </div>
|
|
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>  <span class="keywordflow">if</span> (shared->response != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>  local_model_->Register<SharedResponseManager>(shared->response);</div>
|
|
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>  }</div>
|
|
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>  </div>
|
|
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>  <span class="keywordflow">if</span> (shared->relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  local_model_->Register<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>  shared->relaxation_solutions);</div>
|
|
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  }</div>
|
|
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>  </div>
|
|
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>  <span class="keywordflow">if</span> (shared->lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  local_model_->Register<SharedLPSolutionRepository>(shared->lp_solutions);</div>
|
|
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>  }</div>
|
|
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>  </div>
|
|
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  <span class="keywordflow">if</span> (shared->incomplete_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>  local_model_->Register<SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  shared->incomplete_solutions);</div>
|
|
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  }</div>
|
|
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  </div>
|
|
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  <span class="comment">// Level zero variable bounds sharing.</span></div>
|
|
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  <span class="keywordflow">if</span> (shared_->bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  RegisterVariableBoundsLevelZeroExport(</div>
|
|
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>  *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>  RegisterVariableBoundsLevelZeroImport(</div>
|
|
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  }</div>
|
|
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  }</div>
|
|
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  </div>
|
|
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>  </div>
|
|
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>  <span class="keywordflow">return</span> previous_task_is_completed_;</div>
|
|
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  }</div>
|
|
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>  </div>
|
|
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  std::function<void()> GenerateTask(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  {</div>
|
|
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>  previous_task_is_completed_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>  }</div>
|
|
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>  <span class="keywordflow">return</span> [<span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  <span class="keywordflow">if</span> (solving_first_chunk_) {</div>
|
|
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  LoadCpModel(*shared_->model_proto, shared_->response,</div>
|
|
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  local_model_.get());</div>
|
|
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  <span class="keywordflow">if</span> (local_model_->GetOrCreate<SatParameters>()->repair_hint()) {</div>
|
|
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>  MinimizeL1DistanceWithHint(*shared_->model_proto, shared_->response,</div>
|
|
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>  shared_->wall_timer, shared_->time_limit,</div>
|
|
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>  local_model_.get());</div>
|
|
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>  QuickSolveWithHint(*shared_->model_proto, shared_->response,</div>
|
|
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  local_model_.get());</div>
|
|
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>  }</div>
|
|
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>  </div>
|
|
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>  <span class="comment">// No need for mutex since we only run one task at the time.</span></div>
|
|
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>  solving_first_chunk_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>  </div>
|
|
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>  <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  <span class="comment">// Abort first chunk and allow to schedule the next.</span></div>
|
|
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>  previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>  }</div>
|
|
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>  }</div>
|
|
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>  </div>
|
|
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>  <span class="keyword">auto</span>* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a> = local_model_->GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>  <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  <span class="comment">// Configure time limit for chunk solving. Note that we do not want</span></div>
|
|
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  <span class="comment">// to do that for the hint search for now.</span></div>
|
|
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>  <span class="keyword">auto</span>* params = local_model_->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>  params->set_max_deterministic_time(1);</div>
|
|
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>  <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->ResetLimitFromParameters(*params);</div>
|
|
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>  shared_->time_limit->UpdateLocalLimit(<a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>);</div>
|
|
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>  }</div>
|
|
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>  </div>
|
|
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> saved_dtime = <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>  SolveLoadedCpModel(*shared_->model_proto, shared_->response,</div>
|
|
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>  local_model_.get());</div>
|
|
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>  {</div>
|
|
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>  deterministic_time_since_last_synchronize_ +=</div>
|
|
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>  <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->GetElapsedDeterministicTime() - saved_dtime;</div>
|
|
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>  }</div>
|
|
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>  </div>
|
|
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>  <span class="comment">// Abort if the problem is solved.</span></div>
|
|
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) {</div>
|
|
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  shared_->time_limit->Stop();</div>
|
|
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  }</div>
|
|
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>  </div>
|
|
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>  <span class="comment">// In this mode, we allow to generate more task.</span></div>
|
|
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>  <span class="keywordflow">if</span> (split_in_chunks_) {</div>
|
|
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  }</div>
|
|
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  </div>
|
|
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  <span class="comment">// Once a solver is done clear its memory and do not wait for the</span></div>
|
|
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  <span class="comment">// destruction of the SubSolver. This is important because the full solve</span></div>
|
|
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  <span class="comment">// might not be done at all, for instance this might have been configured</span></div>
|
|
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>  <span class="comment">// with stop_after_first_solution.</span></div>
|
|
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>  local_model_.reset();</div>
|
|
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>  };</div>
|
|
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>  }</div>
|
|
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>  </div>
|
|
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>  <span class="comment">// TODO(user): A few of the information sharing we do between threads does not</span></div>
|
|
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  <span class="comment">// happen here (bound sharing, RINS neighborhood, objective). Fix that so we</span></div>
|
|
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>  <span class="comment">// can have a deterministic parallel mode.</span></div>
|
|
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>  <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>  deterministic_time_ += deterministic_time_since_last_synchronize_;</div>
|
|
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  shared_->time_limit->AdvanceDeterministicTime(</div>
|
|
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>  deterministic_time_since_last_synchronize_);</div>
|
|
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>  deterministic_time_since_last_synchronize_ = 0.0;</div>
|
|
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  }</div>
|
|
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>  </div>
|
|
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  SharedClasses* shared_;</div>
|
|
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> split_in_chunks_;</div>
|
|
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  std::unique_ptr<Model> local_model_;</div>
|
|
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  </div>
|
|
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</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 name="l02212"></a><span class="lineno"> 2212</span>  <span class="comment">// try to follow the hint.</span></div>
|
|
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  <span class="keywordtype">bool</span> solving_first_chunk_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  </div>
|
|
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>  absl::Mutex mutex_;</div>
|
|
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <span class="keywordtype">double</span> deterministic_time_since_last_synchronize_ ABSL_GUARDED_BY(mutex_) =</div>
|
|
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  0.0;</div>
|
|
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>  <span class="keywordtype">bool</span> previous_task_is_completed_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span> };</div>
|
|
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  </div>
|
|
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span> <span class="keyword">class </span>FeasibilityPumpSolver : <span class="keyword">public</span> SubSolver {</div>
|
|
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  FeasibilityPumpSolver(<span class="keyword">const</span> SatParameters& local_parameters,</div>
|
|
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  SharedClasses* shared)</div>
|
|
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>  : SubSolver(<span class="stringliteral">"feasibility_pump"</span>),</div>
|
|
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>  shared_(shared),</div>
|
|
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>  local_model_(<a class="code" href="namespaceabsl.html">absl</a>::make_unique<Model>(name_)) {</div>
|
|
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  <span class="comment">// Setup the local model parameters and time limit.</span></div>
|
|
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>  local_model_->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(local_parameters));</div>
|
|
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>  shared_->time_limit->UpdateLocalLimit(</div>
|
|
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>  local_model_->GetOrCreate<TimeLimit>());</div>
|
|
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  </div>
|
|
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>  <span class="keywordflow">if</span> (shared->response != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>  local_model_->Register<SharedResponseManager>(shared->response);</div>
|
|
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  }</div>
|
|
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  </div>
|
|
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>  <span class="keywordflow">if</span> (shared->relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  local_model_->Register<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>  shared->relaxation_solutions);</div>
|
|
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  }</div>
|
|
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>  </div>
|
|
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  <span class="keywordflow">if</span> (shared->lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>  local_model_->Register<SharedLPSolutionRepository>(shared->lp_solutions);</div>
|
|
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  }</div>
|
|
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>  </div>
|
|
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  <span class="keywordflow">if</span> (shared->incomplete_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>  local_model_->Register<SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  shared->incomplete_solutions);</div>
|
|
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  }</div>
|
|
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  </div>
|
|
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  <span class="comment">// Level zero variable bounds sharing.</span></div>
|
|
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  <span class="keywordflow">if</span> (shared_->bounds != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  RegisterVariableBoundsLevelZeroImport(</div>
|
|
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  *shared_->model_proto, shared_->bounds, local_model_.get());</div>
|
|
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>  }</div>
|
|
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  }</div>
|
|
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span>  </div>
|
|
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>  <span class="keywordflow">return</span> previous_task_is_completed_;</div>
|
|
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>  }</div>
|
|
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  </div>
|
|
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>  std::function<void()> GenerateTask(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>  <span class="keywordflow">return</span> [<span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>  {</div>
|
|
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>  <span class="keywordflow">if</span> (!previous_task_is_completed_) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  previous_task_is_completed_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>  }</div>
|
|
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>  {</div>
|
|
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>  <span class="keywordflow">if</span> (solving_first_chunk_) {</div>
|
|
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  LoadFeasibilityPump(*shared_->model_proto, shared_->response,</div>
|
|
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>  local_model_.get());</div>
|
|
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>  <span class="comment">// No new task will be scheduled for this worker if there is no</span></div>
|
|
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>  <span class="comment">// linear relaxation.</span></div>
|
|
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</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 name="l02279"></a><span class="lineno"> 2279</span>  solving_first_chunk_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  <span class="comment">// Abort first chunk and allow to schedule the next.</span></div>
|
|
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>  previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>  }</div>
|
|
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>  }</div>
|
|
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  </div>
|
|
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  <span class="keyword">auto</span>* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a> = local_model_->GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> saved_dtime = <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  <span class="keyword">auto</span>* feasibility_pump = local_model_->Mutable<FeasibilityPump>();</div>
|
|
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  <span class="keywordflow">if</span> (!feasibility_pump->Solve()) {</div>
|
|
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>  shared_->response->NotifyThatImprovingProblemIsInfeasible(name_);</div>
|
|
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>  }</div>
|
|
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>  </div>
|
|
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>  {</div>
|
|
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>  deterministic_time_since_last_synchronize_ +=</div>
|
|
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>  <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>->GetElapsedDeterministicTime() - saved_dtime;</div>
|
|
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>  }</div>
|
|
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  </div>
|
|
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  <span class="comment">// Abort if the problem is solved.</span></div>
|
|
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) {</div>
|
|
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>  shared_->time_limit->Stop();</div>
|
|
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  }</div>
|
|
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>  </div>
|
|
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  previous_task_is_completed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span>  };</div>
|
|
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  }</div>
|
|
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>  </div>
|
|
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>  <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span>  deterministic_time_ += deterministic_time_since_last_synchronize_;</div>
|
|
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>  shared_->time_limit->AdvanceDeterministicTime(</div>
|
|
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span>  deterministic_time_since_last_synchronize_);</div>
|
|
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>  deterministic_time_since_last_synchronize_ = 0.0;</div>
|
|
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  }</div>
|
|
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  </div>
|
|
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>  SharedClasses* shared_;</div>
|
|
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  std::unique_ptr<Model> local_model_;</div>
|
|
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  </div>
|
|
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  absl::Mutex mutex_;</div>
|
|
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  </div>
|
|
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</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 name="l02325"></a><span class="lineno"> 2325</span>  <span class="comment">// constraints.</span></div>
|
|
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>  <span class="keywordtype">bool</span> solving_first_chunk_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  </div>
|
|
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  <span class="keywordtype">double</span> deterministic_time_since_last_synchronize_ ABSL_GUARDED_BY(mutex_) =</div>
|
|
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>  0.0;</div>
|
|
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  <span class="keywordtype">bool</span> previous_task_is_completed_ ABSL_GUARDED_BY(mutex_) = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span> };</div>
|
|
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>  </div>
|
|
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span> <span class="comment">// A Subsolver that generate LNS solve from a given neighborhood.</span></div>
|
|
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span> <span class="keyword">class </span>LnsSolver : <span class="keyword">public</span> SubSolver {</div>
|
|
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>  LnsSolver(std::unique_ptr<NeighborhoodGenerator> generator,</div>
|
|
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>  NeighborhoodGeneratorHelper* helper, SharedClasses* shared)</div>
|
|
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>  : SubSolver(generator-><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>()),</div>
|
|
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>  generator_(std::move(generator)),</div>
|
|
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span>  helper_(helper),</div>
|
|
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>  parameters_(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>),</div>
|
|
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>  shared_(shared) {}</div>
|
|
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>  </div>
|
|
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>  <span class="keywordtype">bool</span> TaskIsAvailable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span>  <span class="keywordflow">return</span> generator_->ReadyToGenerate();</div>
|
|
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>  }</div>
|
|
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>  </div>
|
|
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  std::function<void()> GenerateTask(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> task_id)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>  <span class="keywordflow">return</span> [task_id, <span class="keyword">this</span>]() {</div>
|
|
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>  <span class="keywordflow">if</span> (shared_->SearchIsDone()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>  </div>
|
|
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  <span class="comment">// Create a random number generator whose seed depends both on the task_id</span></div>
|
|
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>  <span class="comment">// and on the parameters_.random_seed() so that changing the later will</span></div>
|
|
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  <span class="comment">// change the LNS behavior.</span></div>
|
|
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a56f1a81c92849566ae864511088eb7e8">int32</a> low = <span class="keyword">static_cast<</span><a class="code" href="integral__types_8h.html#a56f1a81c92849566ae864511088eb7e8">int32</a><span class="keyword">></span>(task_id);</div>
|
|
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a56f1a81c92849566ae864511088eb7e8">int32</a> high = task_id >> 32;</div>
|
|
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span>  std::seed_seq seed{low, high, parameters_.random_seed()};</div>
|
|
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>  <a class="code" href="namespaceoperations__research.html#a6743e8c90bbb85a1017486ed70c7d29b">random_engine_t</a> random(seed);</div>
|
|
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>  </div>
|
|
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span>  NeighborhoodGenerator::SolveData data;</div>
|
|
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>  data.difficulty = generator_->difficulty();</div>
|
|
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span>  data.deterministic_limit = generator_->deterministic_limit();</div>
|
|
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  </div>
|
|
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span>  <span class="comment">// Choose a base solution for this neighborhood.</span></div>
|
|
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>  CpSolverResponse base_response;</div>
|
|
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>  {</div>
|
|
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span>  <span class="keyword">const</span> SharedSolutionRepository<int64>& repo =</div>
|
|
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span>  shared_->response->SolutionsRepository();</div>
|
|
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span>  <span class="keywordflow">if</span> (repo.NumSolutions() > 0) {</div>
|
|
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>  base_response.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a>);</div>
|
|
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>  <span class="keyword">const</span> SharedSolutionRepository<int64>::Solution solution =</div>
|
|
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span>  repo.GetRandomBiasedSolution(&random);</div>
|
|
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : solution.variable_values) {</div>
|
|
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span>  base_response.add_solution(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span>  }</div>
|
|
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>  <span class="comment">// Note: We assume that the solution rank is the solution internal</span></div>
|
|
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>  <span class="comment">// objective.</span></div>
|
|
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>  data.initial_best_objective = repo.GetSolution(0).rank;</div>
|
|
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>  data.base_objective = solution.rank;</div>
|
|
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  base_response.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c">CpSolverStatus::UNKNOWN</a>);</div>
|
|
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  </div>
|
|
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>  <span class="comment">// If we do not have a solution, we use the current objective upper</span></div>
|
|
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  <span class="comment">// bound so that our code that compute an "objective" improvement</span></div>
|
|
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>  <span class="comment">// works.</span></div>
|
|
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  <span class="comment">// TODO(user): this is non-deterministic. Fix.</span></div>
|
|
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>  data.initial_best_objective =</div>
|
|
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>  shared_->response->GetInnerObjectiveUpperBound();</div>
|
|
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>  data.base_objective = data.initial_best_objective;</div>
|
|
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>  }</div>
|
|
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  }</div>
|
|
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  </div>
|
|
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>  Neighborhood neighborhood;</div>
|
|
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span>  {</div>
|
|
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>  absl::MutexLock mutex_lock(helper_->MutableMutex());</div>
|
|
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>  neighborhood =</div>
|
|
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span>  generator_->Generate(base_response, data.difficulty, &random);</div>
|
|
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>  }</div>
|
|
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span>  neighborhood.cp_model.set_name(absl::StrCat(<span class="stringliteral">"lns_"</span>, task_id));</div>
|
|
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>  <span class="keywordflow">if</span> (!neighborhood.is_generated) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span>  data.neighborhood_id = neighborhood.id;</div>
|
|
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span>  </div>
|
|
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> fully_solved_proportion =</div>
|
|
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</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 name="l02408"></a><span class="lineno"> 2408</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>{1}, generator_->num_calls());</div>
|
|
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span>  std::string source_info = <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>();</div>
|
|
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>  <span class="keywordflow">if</span> (!neighborhood.source_info.empty()) {</div>
|
|
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>  absl::StrAppend(&source_info, <span class="stringliteral">"_"</span>, neighborhood.source_info);</div>
|
|
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>  }</div>
|
|
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span>  <span class="keyword">const</span> std::string solution_info = absl::StrFormat(</div>
|
|
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</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 name="l02415"></a><span class="lineno"> 2415</span>  task_id, data.deterministic_limit, fully_solved_proportion);</div>
|
|
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>  </div>
|
|
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>  SatParameters local_params(parameters_);</div>
|
|
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>  local_params.set_max_deterministic_time(data.deterministic_limit);</div>
|
|
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>  local_params.set_stop_after_first_solution(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  local_params.set_log_search_progress(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>  local_params.set_cp_model_probing_level(0);</div>
|
|
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>  </div>
|
|
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>  <span class="keywordflow">if</span> (FLAGS_cp_model_dump_lns) {</div>
|
|
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = absl::StrCat(</div>
|
|
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>  FLAGS_cp_model_dump_prefix, neighborhood.cp_model.name(), <span class="stringliteral">".pbtxt"</span>);</div>
|
|
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>  LOG(INFO) << <span class="stringliteral">"Dumping LNS model to '"</span> << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(</div>
|
|
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>  <a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, neighborhood.cp_model, <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span>  }</div>
|
|
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>  </div>
|
|
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>  Model local_model;</div>
|
|
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>  local_model.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(local_params));</div>
|
|
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span>  TimeLimit* local_time_limit = local_model.GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>  shared_->time_limit->UpdateLocalLimit(local_time_limit);</div>
|
|
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span>  </div>
|
|
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_neighborhood_model_vars =</div>
|
|
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span>  neighborhood.cp_model.variables_size();</div>
|
|
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span>  <span class="comment">// Presolve and solve the LNS fragment.</span></div>
|
|
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span>  CpModelProto mapping_proto;</div>
|
|
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span>  std::vector<int> postsolve_mapping;</div>
|
|
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span>  PresolveOptions options;</div>
|
|
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>  options.log_info = VLOG_IS_ON(3);</div>
|
|
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span>  options.parameters = *local_model.GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span>  options.time_limit = local_model.GetOrCreate<TimeLimit>();</div>
|
|
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span>  <span class="keyword">auto</span> <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a> = absl::make_unique<PresolveContext>(&neighborhood.cp_model,</div>
|
|
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span>  &mapping_proto);</div>
|
|
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a73d5e96e46b72c71a4e21c78b504e567">PresolveCpModel</a>(options, <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get(), &postsolve_mapping);</div>
|
|
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  </div>
|
|
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>  <span class="comment">// Release the context</span></div>
|
|
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.reset(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  </div>
|
|
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  <span class="comment">// TODO(user): Depending on the problem, we should probably use the</span></div>
|
|
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>  <span class="comment">// parameters that work bests (core, linearization_level, etc...) or</span></div>
|
|
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  <span class="comment">// maybe we can just randomize them like for the base solution used.</span></div>
|
|
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>  SharedResponseManager local_response_manager(</div>
|
|
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>  <span class="comment">/*log_updates=*/</span><span class="keyword">false</span>, <span class="comment">/*enumerate_all_solutions=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  &neighborhood.cp_model, shared_->wall_timer, shared_->time_limit);</div>
|
|
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>  LoadCpModel(neighborhood.cp_model, &local_response_manager, &local_model);</div>
|
|
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>  QuickSolveWithHint(neighborhood.cp_model, &local_response_manager,</div>
|
|
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>  &local_model);</div>
|
|
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span>  SolveLoadedCpModel(neighborhood.cp_model, &local_response_manager,</div>
|
|
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span>  &local_model);</div>
|
|
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>  CpSolverResponse local_response = local_response_manager.GetResponse();</div>
|
|
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>  <span class="keywordflow">if</span> (local_response.solution_info().empty()) {</div>
|
|
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>  local_response.set_solution_info(solution_info);</div>
|
|
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span>  local_response.set_solution_info(</div>
|
|
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span>  absl::StrCat(local_response.solution_info(), <span class="stringliteral">" "</span>, solution_info));</div>
|
|
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>  }</div>
|
|
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span>  </div>
|
|
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>  <span class="comment">// TODO(user): we actually do not need to postsolve if the solution is</span></div>
|
|
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>  <span class="comment">// not going to be used...</span></div>
|
|
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span>  PostsolveResponseWrapper(local_params, num_neighborhood_model_vars,</div>
|
|
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>  mapping_proto, postsolve_mapping,</div>
|
|
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>  shared_->wall_timer, &local_response);</div>
|
|
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>  data.status = local_response.status();</div>
|
|
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>  data.deterministic_time = local_time_limit->GetElapsedDeterministicTime();</div>
|
|
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>  </div>
|
|
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>  <span class="keywordflow">if</span> (generator_->IsRelaxationGenerator()) {</div>
|
|
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>  <span class="keywordtype">bool</span> has_feasible_solution = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span>  <span class="keywordflow">if</span> (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a> ||</div>
|
|
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span>  local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>  has_feasible_solution = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>  }</div>
|
|
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>  </div>
|
|
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>  <span class="keywordflow">if</span> (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>  shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>  local_response.solution_info());</div>
|
|
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>  }</div>
|
|
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>  </div>
|
|
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>  <span class="keywordflow">if</span> (shared_->model_proto->has_objective()) {</div>
|
|
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  <span class="comment">// TODO(user): This is not deterministic since it is updated without</span></div>
|
|
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>  <span class="comment">// synchronization! So we shouldn't base the LNS score out of that.</span></div>
|
|
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>  <span class="keyword">const</span> IntegerValue current_obj_lb =</div>
|
|
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>  shared_->response->GetInnerObjectiveLowerBound();</div>
|
|
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>  </div>
|
|
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span>  <span class="keyword">const</span> IntegerValue local_obj_lb =</div>
|
|
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>  local_response_manager.GetInnerObjectiveLowerBound();</div>
|
|
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>  </div>
|
|
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> scaled_local_obj_bound = <a class="code" href="namespaceoperations__research_1_1sat.html#a764814ea1f9e5a90d17660156b13f818">ScaleObjectiveValue</a>(</div>
|
|
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>  neighborhood.cp_model.objective(), local_obj_lb.value());</div>
|
|
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>  </div>
|
|
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>  <span class="comment">// Update the bound.</span></div>
|
|
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>  <span class="keyword">const</span> IntegerValue new_inner_obj_lb = IntegerValue(</div>
|
|
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>  std::ceil(<a class="code" href="namespaceoperations__research_1_1sat.html#a1ff712b32e44ffd2e7f40042330bf2ad">UnscaleObjectiveValue</a>(shared_->model_proto->objective(),</div>
|
|
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>  scaled_local_obj_bound) -</div>
|
|
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>  1e-6));</div>
|
|
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>  data.new_objective_bound = new_inner_obj_lb;</div>
|
|
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>  data.initial_best_objective_bound = current_obj_lb;</div>
|
|
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>  <span class="keywordflow">if</span> (new_inner_obj_lb > current_obj_lb) {</div>
|
|
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>  shared_->response->UpdateInnerObjectiveBounds(</div>
|
|
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span>  solution_info, new_inner_obj_lb, <a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">kMaxIntegerValue</a>);</div>
|
|
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>  }</div>
|
|
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>  }</div>
|
|
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>  </div>
|
|
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</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 name="l02517"></a><span class="lineno"> 2517</span>  <span class="comment">// a valid solution of the non-relaxed one.</span></div>
|
|
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>  <span class="keywordflow">if</span> (has_feasible_solution) {</div>
|
|
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>  *shared_->model_proto,</div>
|
|
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>  std::vector<int64>(local_response.solution().begin(),</div>
|
|
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>  local_response.solution().end()))) {</div>
|
|
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>  shared_->response->NewSolution(local_response,</div>
|
|
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  <span class="comment">/*model=*/</span><span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>  </div>
|
|
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>  <span class="comment">// Mark the solution optimal if the relaxation status is optimal.</span></div>
|
|
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>  <span class="keywordflow">if</span> (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a>) {</div>
|
|
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>  shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>  local_response.solution_info());</div>
|
|
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>  shared_->time_limit->Stop();</div>
|
|
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>  }</div>
|
|
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>  }</div>
|
|
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span>  shared_->relaxation_solutions->NewRelaxationSolution(local_response);</div>
|
|
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>  }</div>
|
|
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>  <span class="keywordflow">if</span> (!local_response.solution().empty()) {</div>
|
|
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span>  *shared_->model_proto,</div>
|
|
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span>  std::vector<int64>(local_response.solution().begin(),</div>
|
|
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span>  local_response.solution().end())))</div>
|
|
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>  << solution_info;</div>
|
|
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span>  }</div>
|
|
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  </div>
|
|
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  <span class="comment">// Finish to fill the SolveData now that the local solve is done.</span></div>
|
|
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>  data.new_objective = data.base_objective;</div>
|
|
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>  <span class="keywordflow">if</span> (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a> ||</div>
|
|
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>  local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span>  data.new_objective = IntegerValue(<a class="code" href="namespaceoperations__research_1_1sat.html#a44f635d04529be503aa7f14917185a37">ComputeInnerObjective</a>(</div>
|
|
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>  shared_->model_proto->objective(), local_response));</div>
|
|
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span>  }</div>
|
|
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span>  </div>
|
|
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>  <span class="comment">// Report any feasible solution we have.</span></div>
|
|
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span>  <span class="keywordflow">if</span> (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a> ||</div>
|
|
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>  local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  shared_->response->NewSolution(local_response,</div>
|
|
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  <span class="comment">/*model=*/</span><span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>  }</div>
|
|
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  <span class="keywordflow">if</span> (!neighborhood.is_reduced &&</div>
|
|
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>  (local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a> ||</div>
|
|
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span>  local_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>)) {</div>
|
|
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>  shared_->response->NotifyThatImprovingProblemIsInfeasible(</div>
|
|
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>  local_response.solution_info());</div>
|
|
<div class="line"><a name="l02563"></a><span class="lineno"> 2563</span>  shared_->time_limit->Stop();</div>
|
|
<div class="line"><a name="l02564"></a><span class="lineno"> 2564</span>  }</div>
|
|
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span>  }</div>
|
|
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span>  </div>
|
|
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>  generator_->AddSolveData(data);</div>
|
|
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span>  </div>
|
|
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span>  <span class="comment">// The total number of call when this was called is the same as task_id.</span></div>
|
|
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> total_num_calls = task_id;</div>
|
|
<div class="line"><a name="l02571"></a><span class="lineno"> 2571</span>  VLOG(2) << <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>() << <span class="stringliteral">": [difficulty: "</span> << data.difficulty</div>
|
|
<div class="line"><a name="l02572"></a><span class="lineno"> 2572</span>  << <span class="stringliteral">", id: "</span> << task_id</div>
|
|
<div class="line"><a name="l02573"></a><span class="lineno"> 2573</span>  << <span class="stringliteral">", deterministic_time: "</span> << data.deterministic_time << <span class="stringliteral">" / "</span></div>
|
|
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span>  << data.deterministic_limit</div>
|
|
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span>  << <span class="stringliteral">", status: "</span> << ProtoEnumToString<CpSolverStatus>(data.status)</div>
|
|
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>  << <span class="stringliteral">", num calls: "</span> << generator_->num_calls()</div>
|
|
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span>  << <span class="stringliteral">", UCB1 Score: "</span> << generator_->GetUCBScore(total_num_calls)</div>
|
|
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  << <span class="stringliteral">", p: "</span> << fully_solved_proportion << <span class="stringliteral">"]"</span>;</div>
|
|
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>  };</div>
|
|
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>  }</div>
|
|
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span>  </div>
|
|
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>  <span class="keywordtype">void</span> Synchronize()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>  generator_->Synchronize();</div>
|
|
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> old = deterministic_time_;</div>
|
|
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>  deterministic_time_ = generator_->deterministic_time();</div>
|
|
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  shared_->time_limit->AdvanceDeterministicTime(deterministic_time_ - old);</div>
|
|
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  }</div>
|
|
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  </div>
|
|
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  std::unique_ptr<NeighborhoodGenerator> generator_;</div>
|
|
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span>  NeighborhoodGeneratorHelper* helper_;</div>
|
|
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>  <span class="keyword">const</span> SatParameters parameters_;</div>
|
|
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>  SharedClasses* shared_;</div>
|
|
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span> };</div>
|
|
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>  </div>
|
|
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span> <span class="keywordtype">void</span> SolveCpModelParallel(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span>  SharedResponseManager* shared_response_manager,</div>
|
|
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>  SharedTimeLimit* shared_time_limit,</div>
|
|
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span>  <a class="code" href="class_wall_timer.html">WallTimer</a>* <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, Model* global_model) {</div>
|
|
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span>  CHECK(shared_response_manager != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  <span class="keyword">const</span> SatParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *global_model->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_search_workers = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.num_search_workers();</div>
|
|
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> log_search = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.log_search_progress() || VLOG_IS_ON(1);</div>
|
|
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span>  CHECK(!<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.enumerate_all_solutions())</div>
|
|
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>  << <span class="stringliteral">"Enumerating all solutions in parallel is not supported."</span>;</div>
|
|
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span>  </div>
|
|
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>  std::unique_ptr<SharedBoundsManager> shared_bounds_manager;</div>
|
|
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.share_level_zero_bounds()) {</div>
|
|
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span>  shared_bounds_manager = absl::make_unique<SharedBoundsManager>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>  }</div>
|
|
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span>  </div>
|
|
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span>  std::unique_ptr<SharedRelaxationSolutionRepository></div>
|
|
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>  shared_relaxation_solutions;</div>
|
|
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_relaxation_lns()) {</div>
|
|
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span>  shared_relaxation_solutions =</div>
|
|
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>  absl::make_unique<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  <span class="comment">/*num_solutions_to_keep=*/</span>10);</div>
|
|
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span>  global_model->Register<SharedRelaxationSolutionRepository>(</div>
|
|
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span>  shared_relaxation_solutions.get());</div>
|
|
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span>  }</div>
|
|
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span>  </div>
|
|
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>  <span class="keyword">auto</span> shared_lp_solutions = absl::make_unique<SharedLPSolutionRepository>(</div>
|
|
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  <span class="comment">/*num_solutions_to_keep=*/</span>10);</div>
|
|
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  global_model->Register<SharedLPSolutionRepository>(shared_lp_solutions.get());</div>
|
|
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>  </div>
|
|
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  <span class="comment">// We currently only use the feasiblity pump if it is enabled and some other</span></div>
|
|
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span>  <span class="comment">// parameters are not on.</span></div>
|
|
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span>  std::unique_ptr<SharedIncompleteSolutionManager> shared_incomplete_solutions;</div>
|
|
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> use_feasibility_pump = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_feasibility_pump() &&</div>
|
|
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.linearization_level() > 0 &&</div>
|
|
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>  !<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_lns_only() &&</div>
|
|
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span>  !<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.interleave_search();</div>
|
|
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  <span class="keywordflow">if</span> (use_feasibility_pump) {</div>
|
|
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span>  shared_incomplete_solutions =</div>
|
|
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span>  absl::make_unique<SharedIncompleteSolutionManager>();</div>
|
|
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span>  global_model->Register<SharedIncompleteSolutionManager>(</div>
|
|
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span>  shared_incomplete_solutions.get());</div>
|
|
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  }</div>
|
|
<div class="line"><a name="l02639"></a><span class="lineno"> 2639</span>  </div>
|
|
<div class="line"><a name="l02640"></a><span class="lineno"> 2640</span>  SharedClasses shared;</div>
|
|
<div class="line"><a name="l02641"></a><span class="lineno"> 2641</span>  shared.model_proto = &<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div>
|
|
<div class="line"><a name="l02642"></a><span class="lineno"> 2642</span>  shared.wall_timer = <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>;</div>
|
|
<div class="line"><a name="l02643"></a><span class="lineno"> 2643</span>  shared.time_limit = shared_time_limit;</div>
|
|
<div class="line"><a name="l02644"></a><span class="lineno"> 2644</span>  shared.bounds = shared_bounds_manager.get();</div>
|
|
<div class="line"><a name="l02645"></a><span class="lineno"> 2645</span>  shared.response = shared_response_manager;</div>
|
|
<div class="line"><a name="l02646"></a><span class="lineno"> 2646</span>  shared.relaxation_solutions = shared_relaxation_solutions.get();</div>
|
|
<div class="line"><a name="l02647"></a><span class="lineno"> 2647</span>  shared.lp_solutions = shared_lp_solutions.get();</div>
|
|
<div class="line"><a name="l02648"></a><span class="lineno"> 2648</span>  shared.incomplete_solutions = shared_incomplete_solutions.get();</div>
|
|
<div class="line"><a name="l02649"></a><span class="lineno"> 2649</span>  </div>
|
|
<div class="line"><a name="l02650"></a><span class="lineno"> 2650</span>  <span class="comment">// The list of all the SubSolver that will be used in this parallel search.</span></div>
|
|
<div class="line"><a name="l02651"></a><span class="lineno"> 2651</span>  std::vector<std::unique_ptr<SubSolver>> subsolvers;</div>
|
|
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>  </div>
|
|
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span>  <span class="comment">// Add a synchronization point for the shared classes.</span></div>
|
|
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span>  subsolvers.push_back(absl::make_unique<SynchronizationPoint>(</div>
|
|
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span>  [shared_response_manager, &shared_bounds_manager,</div>
|
|
<div class="line"><a name="l02656"></a><span class="lineno"> 2656</span>  &shared_relaxation_solutions, &shared_lp_solutions]() {</div>
|
|
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>  shared_response_manager->Synchronize();</div>
|
|
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>  shared_response_manager->MutableSolutionsRepository()->Synchronize();</div>
|
|
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>  <span class="keywordflow">if</span> (shared_bounds_manager != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>  shared_bounds_manager-><a class="code" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html#a9ca5b99b3550503ca7bad8418e133156">Synchronize</a>();</div>
|
|
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>  }</div>
|
|
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</span>  <span class="keywordflow">if</span> (shared_relaxation_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02663"></a><span class="lineno"> 2663</span>  shared_relaxation_solutions-><a class="code" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156">Synchronize</a>();</div>
|
|
<div class="line"><a name="l02664"></a><span class="lineno"> 2664</span>  }</div>
|
|
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span>  <span class="keywordflow">if</span> (shared_lp_solutions != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span>  shared_lp_solutions->Synchronize();</div>
|
|
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span>  }</div>
|
|
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span>  }));</div>
|
|
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span>  </div>
|
|
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_lns_only()) {</div>
|
|
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span>  <span class="comment">// Register something to find a first solution. Note that this is mainly</span></div>
|
|
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span>  <span class="comment">// used for experimentation, and using no LP ususally result in a faster</span></div>
|
|
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span>  <span class="comment">// first solution.</span></div>
|
|
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span>  SatParameters local_params = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span>  local_params.set_stop_after_first_solution(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>  local_params.set_linearization_level(0);</div>
|
|
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span>  subsolvers.push_back(absl::make_unique<FullProblemSolver>(</div>
|
|
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>  <span class="stringliteral">"first_solution"</span>, local_params,</div>
|
|
<div class="line"><a name="l02679"></a><span class="lineno"> 2679</span>  <span class="comment">/*split_in_chunks=*/</span><span class="keyword">false</span>, &shared));</div>
|
|
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> SatParameters& local_params : <a class="code" href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c">GetDiverseSetOfParameters</a>(</div>
|
|
<div class="line"><a name="l02682"></a><span class="lineno"> 2682</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, num_search_workers)) {</div>
|
|
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>  <span class="comment">// TODO(user): This is currently not supported here.</span></div>
|
|
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.optimize_with_max_hs()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>  </div>
|
|
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span>  subsolvers.push_back(absl::make_unique<FullProblemSolver>(</div>
|
|
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>  local_params.name(), local_params,</div>
|
|
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>  <span class="comment">/*split_in_chunks=*/</span><a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.interleave_search(), &shared));</div>
|
|
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span>  }</div>
|
|
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span>  }</div>
|
|
<div class="line"><a name="l02691"></a><span class="lineno"> 2691</span>  </div>
|
|
<div class="line"><a name="l02692"></a><span class="lineno"> 2692</span>  <span class="comment">// Add FeasibilityPumpSolver if enabled.</span></div>
|
|
<div class="line"><a name="l02693"></a><span class="lineno"> 2693</span>  <span class="keywordflow">if</span> (use_feasibility_pump) {</div>
|
|
<div class="line"><a name="l02694"></a><span class="lineno"> 2694</span>  subsolvers.push_back(</div>
|
|
<div class="line"><a name="l02695"></a><span class="lineno"> 2695</span>  absl::make_unique<FeasibilityPumpSolver>(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, &shared));</div>
|
|
<div class="line"><a name="l02696"></a><span class="lineno"> 2696</span>  }</div>
|
|
<div class="line"><a name="l02697"></a><span class="lineno"> 2697</span>  </div>
|
|
<div class="line"><a name="l02698"></a><span class="lineno"> 2698</span>  <span class="comment">// Add LNS SubSolver(s).</span></div>
|
|
<div class="line"><a name="l02699"></a><span class="lineno"> 2699</span>  </div>
|
|
<div class="line"><a name="l02700"></a><span class="lineno"> 2700</span>  <span class="comment">// Add the NeighborhoodGeneratorHelper as a special subsolver so that its</span></div>
|
|
<div class="line"><a name="l02701"></a><span class="lineno"> 2701</span>  <span class="comment">// Synchronize() is called before any LNS neighborhood solvers.</span></div>
|
|
<div class="line"><a name="l02702"></a><span class="lineno"> 2702</span>  <span class="keyword">auto</span> unique_helper = absl::make_unique<NeighborhoodGeneratorHelper>(</div>
|
|
<div class="line"><a name="l02703"></a><span class="lineno"> 2703</span>  &<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, shared_response_manager, shared_time_limit,</div>
|
|
<div class="line"><a name="l02704"></a><span class="lineno"> 2704</span>  shared_bounds_manager.get());</div>
|
|
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span>  NeighborhoodGeneratorHelper* helper = unique_helper.get();</div>
|
|
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span>  subsolvers.push_back(std::move(unique_helper));</div>
|
|
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span>  </div>
|
|
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_lns_strategies = <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.diversify_lns_params() ? 6 : 1;</div>
|
|
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span>  <span class="keyword">const</span> std::vector<SatParameters>& lns_params =</div>
|
|
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c">GetDiverseSetOfParameters</a>(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, num_lns_strategies);</div>
|
|
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> SatParameters& local_params : lns_params) {</div>
|
|
<div class="line"><a name="l02712"></a><span class="lineno"> 2712</span>  <span class="comment">// Only register following LNS SubSolver if there is an objective.</span></div>
|
|
<div class="line"><a name="l02713"></a><span class="lineno"> 2713</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l02714"></a><span class="lineno"> 2714</span>  <span class="comment">// Enqueue all the possible LNS neighborhood subsolvers.</span></div>
|
|
<div class="line"><a name="l02715"></a><span class="lineno"> 2715</span>  <span class="comment">// Each will have their own metrics.</span></div>
|
|
<div class="line"><a name="l02716"></a><span class="lineno"> 2716</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span>  absl::make_unique<SimpleNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span>  helper, absl::StrCat(<span class="stringliteral">"rnd_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span>  absl::make_unique<VariableGraphNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span>  helper, absl::StrCat(<span class="stringliteral">"var_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span>  absl::make_unique<ConstraintGraphNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02726"></a><span class="lineno"> 2726</span>  helper, absl::StrCat(<span class="stringliteral">"cst_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02727"></a><span class="lineno"> 2727</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02728"></a><span class="lineno"> 2728</span>  </div>
|
|
<div class="line"><a name="l02729"></a><span class="lineno"> 2729</span>  <span class="keywordflow">if</span> (!helper->TypeToConstraints(ConstraintProto::kNoOverlap).empty()) {</div>
|
|
<div class="line"><a name="l02730"></a><span class="lineno"> 2730</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02731"></a><span class="lineno"> 2731</span>  absl::make_unique<SchedulingTimeWindowNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02732"></a><span class="lineno"> 2732</span>  helper, absl::StrCat(<span class="stringliteral">"scheduling_time_window_lns_"</span>,</div>
|
|
<div class="line"><a name="l02733"></a><span class="lineno"> 2733</span>  local_params.name())),</div>
|
|
<div class="line"><a name="l02734"></a><span class="lineno"> 2734</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02735"></a><span class="lineno"> 2735</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02736"></a><span class="lineno"> 2736</span>  absl::make_unique<SchedulingNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02737"></a><span class="lineno"> 2737</span>  helper,</div>
|
|
<div class="line"><a name="l02738"></a><span class="lineno"> 2738</span>  absl::StrCat(<span class="stringliteral">"scheduling_random_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02739"></a><span class="lineno"> 2739</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02740"></a><span class="lineno"> 2740</span>  }</div>
|
|
<div class="line"><a name="l02741"></a><span class="lineno"> 2741</span>  }</div>
|
|
<div class="line"><a name="l02742"></a><span class="lineno"> 2742</span>  </div>
|
|
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</span>  <span class="comment">// TODO(user): for now this is not deterministic so we disable it on</span></div>
|
|
<div class="line"><a name="l02744"></a><span class="lineno"> 2744</span>  <span class="comment">// interleave search. Fix.</span></div>
|
|
<div class="line"><a name="l02745"></a><span class="lineno"> 2745</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_rins_lns() && !<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.interleave_search()) {</div>
|
|
<div class="line"><a name="l02746"></a><span class="lineno"> 2746</span>  <span class="comment">// Note that we always create the SharedLPSolutionRepository. This meets</span></div>
|
|
<div class="line"><a name="l02747"></a><span class="lineno"> 2747</span>  <span class="comment">// the requirement of having at least one of</span></div>
|
|
<div class="line"><a name="l02748"></a><span class="lineno"> 2748</span>  <span class="comment">// SharedRelaxationSolutionRepository or SharedLPSolutionRepository to</span></div>
|
|
<div class="line"><a name="l02749"></a><span class="lineno"> 2749</span>  <span class="comment">// create RINS/RENS lns generators.</span></div>
|
|
<div class="line"><a name="l02750"></a><span class="lineno"> 2750</span>  </div>
|
|
<div class="line"><a name="l02751"></a><span class="lineno"> 2751</span>  <span class="comment">// RINS.</span></div>
|
|
<div class="line"><a name="l02752"></a><span class="lineno"> 2752</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02753"></a><span class="lineno"> 2753</span>  absl::make_unique<RelaxationInducedNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02754"></a><span class="lineno"> 2754</span>  helper, shared.response, shared.relaxation_solutions,</div>
|
|
<div class="line"><a name="l02755"></a><span class="lineno"> 2755</span>  shared.lp_solutions, <span class="comment">/*incomplete_solutions=*/</span><span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l02756"></a><span class="lineno"> 2756</span>  absl::StrCat(<span class="stringliteral">"rins_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span>  </div>
|
|
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</span>  <span class="comment">// RENS.</span></div>
|
|
<div class="line"><a name="l02760"></a><span class="lineno"> 2760</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02761"></a><span class="lineno"> 2761</span>  absl::make_unique<RelaxationInducedNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span>  helper, <span class="comment">/*respons_manager=*/</span><span class="keyword">nullptr</span>, shared.relaxation_solutions,</div>
|
|
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span>  shared.lp_solutions, shared.incomplete_solutions,</div>
|
|
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span>  absl::StrCat(<span class="stringliteral">"rens_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span>  }</div>
|
|
<div class="line"><a name="l02767"></a><span class="lineno"> 2767</span>  </div>
|
|
<div class="line"><a name="l02768"></a><span class="lineno"> 2768</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.use_relaxation_lns()) {</div>
|
|
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span>  absl::make_unique<</div>
|
|
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span>  ConsecutiveConstraintsRelaxationNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>  helper, absl::StrCat(<span class="stringliteral">"rnd_rel_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>  </div>
|
|
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>  subsolvers.push_back(absl::make_unique<LnsSolver>(</div>
|
|
<div class="line"><a name="l02776"></a><span class="lineno"> 2776</span>  absl::make_unique<WeightedRandomRelaxationNeighborhoodGenerator>(</div>
|
|
<div class="line"><a name="l02777"></a><span class="lineno"> 2777</span>  helper, absl::StrCat(<span class="stringliteral">"wgt_rel_lns_"</span>, local_params.name())),</div>
|
|
<div class="line"><a name="l02778"></a><span class="lineno"> 2778</span>  local_params, helper, &shared));</div>
|
|
<div class="line"><a name="l02779"></a><span class="lineno"> 2779</span>  }</div>
|
|
<div class="line"><a name="l02780"></a><span class="lineno"> 2780</span>  }</div>
|
|
<div class="line"><a name="l02781"></a><span class="lineno"> 2781</span>  </div>
|
|
<div class="line"><a name="l02782"></a><span class="lineno"> 2782</span>  <span class="comment">// Add a synchronization point for the primal integral that is executed last.</span></div>
|
|
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span>  <span class="comment">// This way, after each batch, the proper deterministic time is updated and</span></div>
|
|
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span>  <span class="comment">// then the function to integrate take the value of the new gap.</span></div>
|
|
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span>  subsolvers.push_back(</div>
|
|
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>  absl::make_unique<SynchronizationPoint>([shared_response_manager]() {</div>
|
|
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>  shared_response_manager->UpdatePrimalIntegral();</div>
|
|
<div class="line"><a name="l02788"></a><span class="lineno"> 2788</span>  }));</div>
|
|
<div class="line"><a name="l02789"></a><span class="lineno"> 2789</span>  </div>
|
|
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span>  <span class="comment">// Log the name of all our SubSolvers.</span></div>
|
|
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span>  <span class="keywordflow">if</span> (log_search) {</div>
|
|
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span>  std::vector<std::string> names;</div>
|
|
<div class="line"><a name="l02793"></a><span class="lineno"> 2793</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& subsolver : subsolvers) {</div>
|
|
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span>  <span class="keywordflow">if</span> (!subsolver->name().empty()) names.push_back(subsolver->name());</div>
|
|
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>  }</div>
|
|
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span>  LOG(INFO) << absl::StrFormat(</div>
|
|
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span>  <span class="stringliteral">"*** starting Search at %.2fs with %i workers and subsolvers: [ %s ]"</span>,</div>
|
|
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>-><a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>(), num_search_workers, absl::StrJoin(names, <span class="stringliteral">", "</span>));</div>
|
|
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>  }</div>
|
|
<div class="line"><a name="l02800"></a><span class="lineno"> 2800</span>  </div>
|
|
<div class="line"><a name="l02801"></a><span class="lineno"> 2801</span>  <span class="comment">// Launch the main search loop.</span></div>
|
|
<div class="line"><a name="l02802"></a><span class="lineno"> 2802</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.interleave_search()) {</div>
|
|
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a5174cbb2ba52f702d89b3a426b8b2780">DeterministicLoop</a>(subsolvers, num_search_workers,</div>
|
|
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.interleave_batch_size());</div>
|
|
<div class="line"><a name="l02805"></a><span class="lineno"> 2805</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02806"></a><span class="lineno"> 2806</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a7f96a084f2f3d7942b88c9f932cb7f00">NonDeterministicLoop</a>(subsolvers, num_search_workers);</div>
|
|
<div class="line"><a name="l02807"></a><span class="lineno"> 2807</span>  }</div>
|
|
<div class="line"><a name="l02808"></a><span class="lineno"> 2808</span> }</div>
|
|
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span>  </div>
|
|
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span>  </div>
|
|
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span> <span class="comment">// If the option use_sat_inprocessing is true, then before postsolving a</span></div>
|
|
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span> <span class="comment">// solution, we need to make sure we add any new clause required for postsolving</span></div>
|
|
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span> <span class="comment">// to the mapping_model.</span></div>
|
|
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span> <span class="keywordtype">void</span> AddPostsolveClauses(<span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
|
|
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span>  Model* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, CpModelProto* mapping_proto) {</div>
|
|
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span>  <span class="keyword">auto</span>* mapping = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<CpModelMapping>();</div>
|
|
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span>  <span class="keyword">auto</span>* postsolve = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<PostsolveClauses>();</div>
|
|
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& clause : postsolve->clauses) {</div>
|
|
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span>  <span class="keyword">auto</span>* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = mapping_proto->add_constraints()->mutable_bool_or();</div>
|
|
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> Literal l : clause) {</div>
|
|
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span>  <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping->GetProtoVariableFromBooleanVariable(l.Variable());</div>
|
|
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>  CHECK_NE(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, -1);</div>
|
|
<div class="line"><a name="l02824"></a><span class="lineno"> 2824</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = postsolve_mapping[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a name="l02825"></a><span class="lineno"> 2825</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_literals(l.IsPositive() ? <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span>  }</div>
|
|
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>  }</div>
|
|
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>  postsolve->clauses.clear();</div>
|
|
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span> }</div>
|
|
<div class="line"><a name="l02830"></a><span class="lineno"> 2830</span>  </div>
|
|
<div class="line"><a name="l02831"></a><span class="lineno"> 2831</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02832"></a><span class="lineno"> 2832</span>  </div>
|
|
<div class="line"><a name="l02833"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1"> 2833</a></span> CpSolverResponse <a class="code" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l02834"></a><span class="lineno"> 2834</span>  <a class="code" href="class_wall_timer.html">WallTimer</a> <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>;</div>
|
|
<div class="line"><a name="l02835"></a><span class="lineno"> 2835</span>  <a class="code" href="class_wall_timer.html">UserTimer</a> user_timer;</div>
|
|
<div class="line"><a name="l02836"></a><span class="lineno"> 2836</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a name="l02837"></a><span class="lineno"> 2837</span>  user_timer.<a class="code" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a name="l02838"></a><span class="lineno"> 2838</span>  <a class="code" href="classoperations__research_1_1_shared_time_limit.html">SharedTimeLimit</a> shared_time_limit(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>>());</div>
|
|
<div class="line"><a name="l02839"></a><span class="lineno"> 2839</span>  CpSolverResponse final_response;</div>
|
|
<div class="line"><a name="l02840"></a><span class="lineno"> 2840</span>  </div>
|
|
<div class="line"><a name="l02841"></a><span class="lineno"> 2841</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l02842"></a><span class="lineno"> 2842</span>  <span class="comment">// Dump?</span></div>
|
|
<div class="line"><a name="l02843"></a><span class="lineno"> 2843</span>  <span class="keywordflow">if</span> (FLAGS_cp_model_dump_models) {</div>
|
|
<div class="line"><a name="l02844"></a><span class="lineno"> 2844</span>  <span class="keyword">const</span> std::string <a class="code" href="namespacefile.html">file</a> =</div>
|
|
<div class="line"><a name="l02845"></a><span class="lineno"> 2845</span>  absl::StrCat(FLAGS_cp_model_dump_prefix, <span class="stringliteral">"model.pbtxt"</span>);</div>
|
|
<div class="line"><a name="l02846"></a><span class="lineno"> 2846</span>  LOG(INFO) << <span class="stringliteral">"Dumping cp model proto to '"</span> << <a class="code" href="namespacefile.html">file</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l02847"></a><span class="lineno"> 2847</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code" href="namespacefile.html">file</a>, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l02848"></a><span class="lineno"> 2848</span>  }</div>
|
|
<div class="line"><a name="l02849"></a><span class="lineno"> 2849</span>  </div>
|
|
<div class="line"><a name="l02850"></a><span class="lineno"> 2850</span>  <a class="code" href="classabsl_1_1_cleanup.html">absl::Cleanup</a><std::function<void()>> dump_response_cleanup;</div>
|
|
<div class="line"><a name="l02851"></a><span class="lineno"> 2851</span>  <span class="keywordflow">if</span> (FLAGS_cp_model_dump_response) {</div>
|
|
<div class="line"><a name="l02852"></a><span class="lineno"> 2852</span>  dump_response_cleanup = <a class="code" href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">absl::MakeCleanup</a>([&final_response] {</div>
|
|
<div class="line"><a name="l02853"></a><span class="lineno"> 2853</span>  <span class="keyword">const</span> std::string <a class="code" href="namespacefile.html">file</a> =</div>
|
|
<div class="line"><a name="l02854"></a><span class="lineno"> 2854</span>  absl::StrCat(FLAGS_cp_model_dump_prefix, <span class="stringliteral">"response.pbtxt"</span>);</div>
|
|
<div class="line"><a name="l02855"></a><span class="lineno"> 2855</span>  LOG(INFO) << <span class="stringliteral">"Dumping response proto to '"</span> << <a class="code" href="namespacefile.html">file</a> << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l02856"></a><span class="lineno"> 2856</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(<a class="code" href="namespacefile.html">file</a>, final_response, <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l02857"></a><span class="lineno"> 2857</span>  });</div>
|
|
<div class="line"><a name="l02858"></a><span class="lineno"> 2858</span>  }</div>
|
|
<div class="line"><a name="l02859"></a><span class="lineno"> 2859</span>  </div>
|
|
<div class="line"><a name="l02860"></a><span class="lineno"> 2860</span>  <span class="comment">// Override parameters?</span></div>
|
|
<div class="line"><a name="l02861"></a><span class="lineno"> 2861</span>  <span class="keywordflow">if</span> (!FLAGS_cp_model_params.empty()) {</div>
|
|
<div class="line"><a name="l02862"></a><span class="lineno"> 2862</span>  SatParameters params = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02863"></a><span class="lineno"> 2863</span>  SatParameters flag_params;</div>
|
|
<div class="line"><a name="l02864"></a><span class="lineno"> 2864</span>  CHECK(google::protobuf::TextFormat::ParseFromString(FLAGS_cp_model_params,</div>
|
|
<div class="line"><a name="l02865"></a><span class="lineno"> 2865</span>  &flag_params));</div>
|
|
<div class="line"><a name="l02866"></a><span class="lineno"> 2866</span>  params.MergeFrom(flag_params);</div>
|
|
<div class="line"><a name="l02867"></a><span class="lineno"> 2867</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(params));</div>
|
|
<div class="line"><a name="l02868"></a><span class="lineno"> 2868</span>  }</div>
|
|
<div class="line"><a name="l02869"></a><span class="lineno"> 2869</span>  </div>
|
|
<div class="line"><a name="l02870"></a><span class="lineno"> 2870</span>  <span class="comment">// Register SIGINT handler if requested by the parameters.</span></div>
|
|
<div class="line"><a name="l02871"></a><span class="lineno"> 2871</span>  <a class="code" href="classoperations__research_1_1_sigint_handler.html">SigintHandler</a> handler;</div>
|
|
<div class="line"><a name="l02872"></a><span class="lineno"> 2872</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->catch_sigint_signal()) {</div>
|
|
<div class="line"><a name="l02873"></a><span class="lineno"> 2873</span>  handler.<a class="code" href="classoperations__research_1_1_sigint_handler.html#a5e98616033ca33d40d7de0315ef11403">Register</a>([&shared_time_limit]() { shared_time_limit.<a class="code" href="classoperations__research_1_1_shared_time_limit.html#a17a237457e57625296e6b24feb19c60a">Stop</a>(); });</div>
|
|
<div class="line"><a name="l02874"></a><span class="lineno"> 2874</span>  }</div>
|
|
<div class="line"><a name="l02875"></a><span class="lineno"> 2875</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l02876"></a><span class="lineno"> 2876</span>  </div>
|
|
<div class="line"><a name="l02877"></a><span class="lineno"> 2877</span>  <span class="keyword">const</span> SatParameters& params = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02878"></a><span class="lineno"> 2878</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> log_search = params.log_search_progress() || VLOG_IS_ON(1);</div>
|
|
<div class="line"><a name="l02879"></a><span class="lineno"> 2879</span>  LOG_IF(INFO, log_search) << <span class="stringliteral">"Parameters: "</span> << params.ShortDebugString();</div>
|
|
<div class="line"><a name="l02880"></a><span class="lineno"> 2880</span>  </div>
|
|
<div class="line"><a name="l02881"></a><span class="lineno"> 2881</span>  <span class="comment">// Always display the final response stats if requested.</span></div>
|
|
<div class="line"><a name="l02882"></a><span class="lineno"> 2882</span>  <a class="code" href="classabsl_1_1_cleanup.html">absl::Cleanup</a><std::function<void()>> display_response_cleanup;</div>
|
|
<div class="line"><a name="l02883"></a><span class="lineno"> 2883</span>  <span class="keywordflow">if</span> (log_search) {</div>
|
|
<div class="line"><a name="l02884"></a><span class="lineno"> 2884</span>  display_response_cleanup =</div>
|
|
<div class="line"><a name="l02885"></a><span class="lineno"> 2885</span>  <a class="code" href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">absl::MakeCleanup</a>([&final_response, &<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>] {</div>
|
|
<div class="line"><a name="l02886"></a><span class="lineno"> 2886</span>  LOG(INFO) << <a class="code" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(final_response,</div>
|
|
<div class="line"><a name="l02887"></a><span class="lineno"> 2887</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective());</div>
|
|
<div class="line"><a name="l02888"></a><span class="lineno"> 2888</span>  });</div>
|
|
<div class="line"><a name="l02889"></a><span class="lineno"> 2889</span>  }</div>
|
|
<div class="line"><a name="l02890"></a><span class="lineno"> 2890</span>  </div>
|
|
<div class="line"><a name="l02891"></a><span class="lineno"> 2891</span>  <span class="comment">// Validate model_proto.</span></div>
|
|
<div class="line"><a name="l02892"></a><span class="lineno"> 2892</span>  <span class="comment">// TODO(user): provide an option to skip this step for speed?</span></div>
|
|
<div class="line"><a name="l02893"></a><span class="lineno"> 2893</span>  {</div>
|
|
<div class="line"><a name="l02894"></a><span class="lineno"> 2894</span>  <span class="keyword">const</span> std::string error = <a class="code" href="namespaceoperations__research_1_1sat.html#aeaa0c02e25de8ad88ffb65ef88e2eb86">ValidateCpModel</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a name="l02895"></a><span class="lineno"> 2895</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l02896"></a><span class="lineno"> 2896</span>  LOG_IF(INFO, log_search) << error;</div>
|
|
<div class="line"><a name="l02897"></a><span class="lineno"> 2897</span>  final_response.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815ae071e79c23f061c9dd00ee09519a0031">CpSolverStatus::MODEL_INVALID</a>);</div>
|
|
<div class="line"><a name="l02898"></a><span class="lineno"> 2898</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l02899"></a><span class="lineno"> 2899</span>  }</div>
|
|
<div class="line"><a name="l02900"></a><span class="lineno"> 2900</span>  }</div>
|
|
<div class="line"><a name="l02901"></a><span class="lineno"> 2901</span>  LOG_IF(INFO, log_search) << <a class="code" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
|
|
<div class="line"><a name="l02902"></a><span class="lineno"> 2902</span>  </div>
|
|
<div class="line"><a name="l02903"></a><span class="lineno"> 2903</span>  <span class="comment">// Special case for pure-sat problem.</span></div>
|
|
<div class="line"><a name="l02904"></a><span class="lineno"> 2904</span>  <span class="comment">// TODO(user): improve the normal presolver to do the same thing.</span></div>
|
|
<div class="line"><a name="l02905"></a><span class="lineno"> 2905</span>  <span class="comment">// TODO(user): Support solution hint, but then the first TODO will make it</span></div>
|
|
<div class="line"><a name="l02906"></a><span class="lineno"> 2906</span>  <span class="comment">// automatic.</span></div>
|
|
<div class="line"><a name="l02907"></a><span class="lineno"> 2907</span>  <span class="keywordflow">if</span> (!params.use_sat_inprocessing() && !<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective() &&</div>
|
|
<div class="line"><a name="l02908"></a><span class="lineno"> 2908</span>  !<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_solution_hint() && !params.enumerate_all_solutions() &&</div>
|
|
<div class="line"><a name="l02909"></a><span class="lineno"> 2909</span>  !params.use_lns_only() && params.num_search_workers() <= 1 &&</div>
|
|
<div class="line"><a name="l02910"></a><span class="lineno"> 2910</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions().empty()) {</div>
|
|
<div class="line"><a name="l02911"></a><span class="lineno"> 2911</span>  <span class="keywordtype">bool</span> is_pure_sat = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02912"></a><span class="lineno"> 2912</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariableProto& <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables()) {</div>
|
|
<div class="line"><a name="l02913"></a><span class="lineno"> 2913</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain_size() != 2 || <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(0) < 0 || <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>.domain(1) > 1) {</div>
|
|
<div class="line"><a name="l02914"></a><span class="lineno"> 2914</span>  is_pure_sat = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02915"></a><span class="lineno"> 2915</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02916"></a><span class="lineno"> 2916</span>  }</div>
|
|
<div class="line"><a name="l02917"></a><span class="lineno"> 2917</span>  }</div>
|
|
<div class="line"><a name="l02918"></a><span class="lineno"> 2918</span>  <span class="keywordflow">if</span> (is_pure_sat) {</div>
|
|
<div class="line"><a name="l02919"></a><span class="lineno"> 2919</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.constraints()) {</div>
|
|
<div class="line"><a name="l02920"></a><span class="lineno"> 2920</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() != ConstraintProto::ConstraintCase::kBoolOr &&</div>
|
|
<div class="line"><a name="l02921"></a><span class="lineno"> 2921</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() != ConstraintProto::ConstraintCase::kBoolAnd) {</div>
|
|
<div class="line"><a name="l02922"></a><span class="lineno"> 2922</span>  is_pure_sat = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02923"></a><span class="lineno"> 2923</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02924"></a><span class="lineno"> 2924</span>  }</div>
|
|
<div class="line"><a name="l02925"></a><span class="lineno"> 2925</span>  }</div>
|
|
<div class="line"><a name="l02926"></a><span class="lineno"> 2926</span>  }</div>
|
|
<div class="line"><a name="l02927"></a><span class="lineno"> 2927</span>  <span class="keywordflow">if</span> (is_pure_sat) {</div>
|
|
<div class="line"><a name="l02928"></a><span class="lineno"> 2928</span>  <span class="comment">// TODO(user): All this duplication will go away when we are fast enough</span></div>
|
|
<div class="line"><a name="l02929"></a><span class="lineno"> 2929</span>  <span class="comment">// on pure-sat model with the CpModel presolve...</span></div>
|
|
<div class="line"><a name="l02930"></a><span class="lineno"> 2930</span>  final_response = SolvePureSatModel(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l02931"></a><span class="lineno"> 2931</span>  final_response.set_wall_time(<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l02932"></a><span class="lineno"> 2932</span>  final_response.set_user_time(user_timer.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l02933"></a><span class="lineno"> 2933</span>  final_response.set_deterministic_time(</div>
|
|
<div class="line"><a name="l02934"></a><span class="lineno"> 2934</span>  shared_time_limit.<a class="code" href="classoperations__research_1_1_shared_time_limit.html#ac7e861414a70fc937d18bc7ca743fc98">GetElapsedDeterministicTime</a>());</div>
|
|
<div class="line"><a name="l02935"></a><span class="lineno"> 2935</span>  <span class="keyword">const</span> SatParameters& params = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02936"></a><span class="lineno"> 2936</span>  <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a name="l02937"></a><span class="lineno"> 2937</span>  *final_response.mutable_tightened_variables() = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables();</div>
|
|
<div class="line"><a name="l02938"></a><span class="lineno"> 2938</span>  }</div>
|
|
<div class="line"><a name="l02939"></a><span class="lineno"> 2939</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l02940"></a><span class="lineno"> 2940</span>  }</div>
|
|
<div class="line"><a name="l02941"></a><span class="lineno"> 2941</span>  }</div>
|
|
<div class="line"><a name="l02942"></a><span class="lineno"> 2942</span>  </div>
|
|
<div class="line"><a name="l02943"></a><span class="lineno"> 2943</span>  <span class="comment">// Presolve and expansions.</span></div>
|
|
<div class="line"><a name="l02944"></a><span class="lineno"> 2944</span>  LOG_IF(INFO, log_search) << absl::StrFormat(</div>
|
|
<div class="line"><a name="l02945"></a><span class="lineno"> 2945</span>  <span class="stringliteral">"*** starting model presolve at %.2fs"</span>, <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l02946"></a><span class="lineno"> 2946</span>  CpModelProto new_cp_model_proto = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>; <span class="comment">// Copy.</span></div>
|
|
<div class="line"><a name="l02947"></a><span class="lineno"> 2947</span>  </div>
|
|
<div class="line"><a name="l02948"></a><span class="lineno"> 2948</span>  CpModelProto mapping_proto;</div>
|
|
<div class="line"><a name="l02949"></a><span class="lineno"> 2949</span>  <a class="code" href="structoperations__research_1_1sat_1_1_presolve_options.html">PresolveOptions</a> options;</div>
|
|
<div class="line"><a name="l02950"></a><span class="lineno"> 2950</span>  options.<a class="code" href="structoperations__research_1_1sat_1_1_presolve_options.html#a54320231778412ca00e50eb821c95aa6">log_info</a> = log_search;</div>
|
|
<div class="line"><a name="l02951"></a><span class="lineno"> 2951</span>  options.<a class="code" href="structoperations__research_1_1sat_1_1_presolve_options.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
|
|
<div class="line"><a name="l02952"></a><span class="lineno"> 2952</span>  options.<a class="code" href="structoperations__research_1_1sat_1_1_presolve_options.html#af79cc1a1be165d78f65b41fc72e7eaec">time_limit</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>>();</div>
|
|
<div class="line"><a name="l02953"></a><span class="lineno"> 2953</span>  <span class="keyword">auto</span> <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a> =</div>
|
|
<div class="line"><a name="l02954"></a><span class="lineno"> 2954</span>  absl::make_unique<PresolveContext>(&new_cp_model_proto, &mapping_proto);</div>
|
|
<div class="line"><a name="l02955"></a><span class="lineno"> 2955</span>  </div>
|
|
<div class="line"><a name="l02956"></a><span class="lineno"> 2956</span>  <span class="keywordtype">bool</span> degraded_assumptions_support = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02957"></a><span class="lineno"> 2957</span>  <span class="keywordflow">if</span> (params.num_search_workers() > 1 || <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.has_objective()) {</div>
|
|
<div class="line"><a name="l02958"></a><span class="lineno"> 2958</span>  <span class="comment">// For the case where the assumptions are currently not supported, we just</span></div>
|
|
<div class="line"><a name="l02959"></a><span class="lineno"> 2959</span>  <span class="comment">// assume they are fixed, and will always report all of them in the UNSAT</span></div>
|
|
<div class="line"><a name="l02960"></a><span class="lineno"> 2960</span>  <span class="comment">// core if the problem turn out to be UNSAT.</span></div>
|
|
<div class="line"><a name="l02961"></a><span class="lineno"> 2961</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l02962"></a><span class="lineno"> 2962</span>  <span class="comment">// If the mode is not degraded, we will hopefully report a small subset</span></div>
|
|
<div class="line"><a name="l02963"></a><span class="lineno"> 2963</span>  <span class="comment">// in case there is no feasible solution under these assumptions.</span></div>
|
|
<div class="line"><a name="l02964"></a><span class="lineno"> 2964</span>  degraded_assumptions_support = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02965"></a><span class="lineno"> 2965</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->InitializeNewDomains();</div>
|
|
<div class="line"><a name="l02966"></a><span class="lineno"> 2966</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions()) {</div>
|
|
<div class="line"><a name="l02967"></a><span class="lineno"> 2967</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->SetLiteralToTrue(ref)) {</div>
|
|
<div class="line"><a name="l02968"></a><span class="lineno"> 2968</span>  final_response.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>);</div>
|
|
<div class="line"><a name="l02969"></a><span class="lineno"> 2969</span>  final_response.add_sufficient_assumptions_for_infeasibility(ref);</div>
|
|
<div class="line"><a name="l02970"></a><span class="lineno"> 2970</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l02971"></a><span class="lineno"> 2971</span>  }</div>
|
|
<div class="line"><a name="l02972"></a><span class="lineno"> 2972</span>  }</div>
|
|
<div class="line"><a name="l02973"></a><span class="lineno"> 2973</span>  }</div>
|
|
<div class="line"><a name="l02974"></a><span class="lineno"> 2974</span>  </div>
|
|
<div class="line"><a name="l02975"></a><span class="lineno"> 2975</span>  <span class="comment">// This function will be called before any CpSolverResponse is returned</span></div>
|
|
<div class="line"><a name="l02976"></a><span class="lineno"> 2976</span>  <span class="comment">// to the user (at the end and in callbacks).</span></div>
|
|
<div class="line"><a name="l02977"></a><span class="lineno"> 2977</span>  std::function<void(CpSolverResponse * <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)> postprocess_solution;</div>
|
|
<div class="line"><a name="l02978"></a><span class="lineno"> 2978</span>  </div>
|
|
<div class="line"><a name="l02979"></a><span class="lineno"> 2979</span>  <span class="comment">// Do the actual presolve.</span></div>
|
|
<div class="line"><a name="l02980"></a><span class="lineno"> 2980</span>  std::vector<int> postsolve_mapping;</div>
|
|
<div class="line"><a name="l02981"></a><span class="lineno"> 2981</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> ok = <a class="code" href="namespaceoperations__research_1_1sat.html#a73d5e96e46b72c71a4e21c78b504e567">PresolveCpModel</a>(options, <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.get(), &postsolve_mapping);</div>
|
|
<div class="line"><a name="l02982"></a><span class="lineno"> 2982</span>  <span class="keywordflow">if</span> (!ok) {</div>
|
|
<div class="line"><a name="l02983"></a><span class="lineno"> 2983</span>  LOG(ERROR) << <span class="stringliteral">"Error while presolving, likely due to integer overflow."</span>;</div>
|
|
<div class="line"><a name="l02984"></a><span class="lineno"> 2984</span>  final_response.set_status(<a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815ae071e79c23f061c9dd00ee09519a0031">CpSolverStatus::MODEL_INVALID</a>);</div>
|
|
<div class="line"><a name="l02985"></a><span class="lineno"> 2985</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l02986"></a><span class="lineno"> 2986</span>  }</div>
|
|
<div class="line"><a name="l02987"></a><span class="lineno"> 2987</span>  LOG_IF(INFO, log_search) << <a class="code" href="namespaceoperations__research_1_1sat.html#a9d2f0d4258ace84d7ddf7e886c72b913">CpModelStats</a>(new_cp_model_proto);</div>
|
|
<div class="line"><a name="l02988"></a><span class="lineno"> 2988</span>  <span class="keywordflow">if</span> (params.cp_model_presolve()) {</div>
|
|
<div class="line"><a name="l02989"></a><span class="lineno"> 2989</span>  postprocess_solution = [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params, &mapping_proto,</div>
|
|
<div class="line"><a name="l02990"></a><span class="lineno"> 2990</span>  &shared_time_limit, &postsolve_mapping, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l02991"></a><span class="lineno"> 2991</span>  &user_timer, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>](CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l02992"></a><span class="lineno"> 2992</span>  AddPostsolveClauses(postsolve_mapping, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &mapping_proto);</div>
|
|
<div class="line"><a name="l02993"></a><span class="lineno"> 2993</span>  PostsolveResponseWrapper(params, <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size(),</div>
|
|
<div class="line"><a name="l02994"></a><span class="lineno"> 2994</span>  mapping_proto, postsolve_mapping, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l02995"></a><span class="lineno"> 2995</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l02996"></a><span class="lineno"> 2996</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().empty()) {</div>
|
|
<div class="line"><a name="l02997"></a><span class="lineno"> 2997</span>  CHECK(</div>
|
|
<div class="line"><a name="l02998"></a><span class="lineno"> 2998</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l02999"></a><span class="lineno"> 2999</span>  std::vector<int64>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().begin(),</div>
|
|
<div class="line"><a name="l03000"></a><span class="lineno"> 3000</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution().end()),</div>
|
|
<div class="line"><a name="l03001"></a><span class="lineno"> 3001</span>  &mapping_proto, &postsolve_mapping))</div>
|
|
<div class="line"><a name="l03002"></a><span class="lineno"> 3002</span>  << <span class="stringliteral">"final postsolved solution"</span>;</div>
|
|
<div class="line"><a name="l03003"></a><span class="lineno"> 3003</span>  }</div>
|
|
<div class="line"><a name="l03004"></a><span class="lineno"> 3004</span>  <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a name="l03005"></a><span class="lineno"> 3005</span>  <span class="comment">// TODO(user): for now, we just use the domain infered during presolve.</span></div>
|
|
<div class="line"><a name="l03006"></a><span class="lineno"> 3006</span>  <span class="keywordflow">if</span> (mapping_proto.variables().size() >=</div>
|
|
<div class="line"><a name="l03007"></a><span class="lineno"> 3007</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables().size()) {</div>
|
|
<div class="line"><a name="l03008"></a><span class="lineno"> 3008</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables().size(); ++i) {</div>
|
|
<div class="line"><a name="l03009"></a><span class="lineno"> 3009</span>  *<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_tightened_variables() = mapping_proto.variables(i);</div>
|
|
<div class="line"><a name="l03010"></a><span class="lineno"> 3010</span>  }</div>
|
|
<div class="line"><a name="l03011"></a><span class="lineno"> 3011</span>  }</div>
|
|
<div class="line"><a name="l03012"></a><span class="lineno"> 3012</span>  }</div>
|
|
<div class="line"><a name="l03013"></a><span class="lineno"> 3013</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_wall_time(<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l03014"></a><span class="lineno"> 3014</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_user_time(user_timer.Get());</div>
|
|
<div class="line"><a name="l03015"></a><span class="lineno"> 3015</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_deterministic_time(</div>
|
|
<div class="line"><a name="l03016"></a><span class="lineno"> 3016</span>  shared_time_limit.GetElapsedDeterministicTime());</div>
|
|
<div class="line"><a name="l03017"></a><span class="lineno"> 3017</span>  };</div>
|
|
<div class="line"><a name="l03018"></a><span class="lineno"> 3018</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03019"></a><span class="lineno"> 3019</span>  postprocess_solution = [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &params, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>,</div>
|
|
<div class="line"><a name="l03020"></a><span class="lineno"> 3020</span>  &shared_time_limit,</div>
|
|
<div class="line"><a name="l03021"></a><span class="lineno"> 3021</span>  &user_timer](CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l03022"></a><span class="lineno"> 3022</span>  <span class="comment">// Truncate the solution in case model expansion added more variables.</span></div>
|
|
<div class="line"><a name="l03023"></a><span class="lineno"> 3023</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> initial_size = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables_size();</div>
|
|
<div class="line"><a name="l03024"></a><span class="lineno"> 3024</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_size() > 0) {</div>
|
|
<div class="line"><a name="l03025"></a><span class="lineno"> 3025</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_solution()->Truncate(initial_size);</div>
|
|
<div class="line"><a name="l03026"></a><span class="lineno"> 3026</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_lower_bounds_size() > 0) {</div>
|
|
<div class="line"><a name="l03027"></a><span class="lineno"> 3027</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_solution_lower_bounds()->Truncate(initial_size);</div>
|
|
<div class="line"><a name="l03028"></a><span class="lineno"> 3028</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_solution_upper_bounds()->Truncate(initial_size);</div>
|
|
<div class="line"><a name="l03029"></a><span class="lineno"> 3029</span>  }</div>
|
|
<div class="line"><a name="l03030"></a><span class="lineno"> 3030</span>  <span class="keywordflow">if</span> (params.fill_tightened_domains_in_response()) {</div>
|
|
<div class="line"><a name="l03031"></a><span class="lineno"> 3031</span>  *<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_tightened_variables() = <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.variables();</div>
|
|
<div class="line"><a name="l03032"></a><span class="lineno"> 3032</span>  }</div>
|
|
<div class="line"><a name="l03033"></a><span class="lineno"> 3033</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_wall_time(<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l03034"></a><span class="lineno"> 3034</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_user_time(user_timer.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l03035"></a><span class="lineno"> 3035</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_deterministic_time(</div>
|
|
<div class="line"><a name="l03036"></a><span class="lineno"> 3036</span>  shared_time_limit.GetElapsedDeterministicTime());</div>
|
|
<div class="line"><a name="l03037"></a><span class="lineno"> 3037</span>  };</div>
|
|
<div class="line"><a name="l03038"></a><span class="lineno"> 3038</span>  }</div>
|
|
<div class="line"><a name="l03039"></a><span class="lineno"> 3039</span>  </div>
|
|
<div class="line"><a name="l03040"></a><span class="lineno"> 3040</span>  <span class="comment">// Delete the context.</span></div>
|
|
<div class="line"><a name="l03041"></a><span class="lineno"> 3041</span>  <a class="code" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>.reset(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l03042"></a><span class="lineno"> 3042</span>  </div>
|
|
<div class="line"><a name="l03043"></a><span class="lineno"> 3043</span>  <a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a> shared_response_manager(</div>
|
|
<div class="line"><a name="l03044"></a><span class="lineno"> 3044</span>  log_search, params.enumerate_all_solutions(), &new_cp_model_proto,</div>
|
|
<div class="line"><a name="l03045"></a><span class="lineno"> 3045</span>  &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, &shared_time_limit);</div>
|
|
<div class="line"><a name="l03046"></a><span class="lineno"> 3046</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d">set_dump_prefix</a>(FLAGS_cp_model_dump_prefix);</div>
|
|
<div class="line"><a name="l03047"></a><span class="lineno"> 3047</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab24169d006da05dc1bf3f5d8b4f0ae65">SetGapLimitsFromParameters</a>(params);</div>
|
|
<div class="line"><a name="l03048"></a><span class="lineno"> 3048</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Register<<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>>(&shared_response_manager);</div>
|
|
<div class="line"><a name="l03049"></a><span class="lineno"> 3049</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& observers = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="structoperations__research_1_1sat_1_1_solution_observers.html">SolutionObservers</a>>()->observers;</div>
|
|
<div class="line"><a name="l03050"></a><span class="lineno"> 3050</span>  <span class="keywordflow">if</span> (!observers.empty()) {</div>
|
|
<div class="line"><a name="l03051"></a><span class="lineno"> 3051</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ac25b5700df43621c1132a8cffce727e5">AddSolutionCallback</a>(</div>
|
|
<div class="line"><a name="l03052"></a><span class="lineno"> 3052</span>  [&<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &observers, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, &user_timer,</div>
|
|
<div class="line"><a name="l03053"></a><span class="lineno"> 3053</span>  &postprocess_solution, &shared_time_limit](</div>
|
|
<div class="line"><a name="l03054"></a><span class="lineno"> 3054</span>  <span class="keyword">const</span> CpSolverResponse& response_of_presolved_problem) {</div>
|
|
<div class="line"><a name="l03055"></a><span class="lineno"> 3055</span>  CpSolverResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a> = response_of_presolved_problem;</div>
|
|
<div class="line"><a name="l03056"></a><span class="lineno"> 3056</span>  postprocess_solution(&<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l03057"></a><span class="lineno"> 3057</span>  <span class="keywordflow">if</span> (!<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().empty()) {</div>
|
|
<div class="line"><a name="l03058"></a><span class="lineno"> 3058</span>  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a7f536a3b33f9bed8f75734e035d30725">DEBUG_MODE</a> || FLAGS_cp_model_check_intermediate_solutions) {</div>
|
|
<div class="line"><a name="l03059"></a><span class="lineno"> 3059</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a name="l03060"></a><span class="lineno"> 3060</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, std::vector<int64>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().begin(),</div>
|
|
<div class="line"><a name="l03061"></a><span class="lineno"> 3061</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution().end())));</div>
|
|
<div class="line"><a name="l03062"></a><span class="lineno"> 3062</span>  }</div>
|
|
<div class="line"><a name="l03063"></a><span class="lineno"> 3063</span>  }</div>
|
|
<div class="line"><a name="l03064"></a><span class="lineno"> 3064</span>  </div>
|
|
<div class="line"><a name="l03065"></a><span class="lineno"> 3065</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& observer : observers) {</div>
|
|
<div class="line"><a name="l03066"></a><span class="lineno"> 3066</span>  observer(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l03067"></a><span class="lineno"> 3067</span>  }</div>
|
|
<div class="line"><a name="l03068"></a><span class="lineno"> 3068</span>  });</div>
|
|
<div class="line"><a name="l03069"></a><span class="lineno"> 3069</span>  }</div>
|
|
<div class="line"><a name="l03070"></a><span class="lineno"> 3070</span>  </div>
|
|
<div class="line"><a name="l03071"></a><span class="lineno"> 3071</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l03072"></a><span class="lineno"> 3072</span>  <span class="keywordflow">if</span> (FLAGS_cp_model_dump_models) {</div>
|
|
<div class="line"><a name="l03073"></a><span class="lineno"> 3073</span>  <span class="keyword">const</span> std::string presolved_file =</div>
|
|
<div class="line"><a name="l03074"></a><span class="lineno"> 3074</span>  absl::StrCat(FLAGS_cp_model_dump_prefix, <span class="stringliteral">"presolved_model.pbtxt"</span>);</div>
|
|
<div class="line"><a name="l03075"></a><span class="lineno"> 3075</span>  LOG(INFO) << <span class="stringliteral">"Dumping presolved cp model proto to '"</span> << presolved_file</div>
|
|
<div class="line"><a name="l03076"></a><span class="lineno"> 3076</span>  << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l03077"></a><span class="lineno"> 3077</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(presolved_file, new_cp_model_proto,</div>
|
|
<div class="line"><a name="l03078"></a><span class="lineno"> 3078</span>  <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l03079"></a><span class="lineno"> 3079</span>  </div>
|
|
<div class="line"><a name="l03080"></a><span class="lineno"> 3080</span>  <span class="keyword">const</span> std::string mapping_file =</div>
|
|
<div class="line"><a name="l03081"></a><span class="lineno"> 3081</span>  absl::StrCat(FLAGS_cp_model_dump_prefix, <span class="stringliteral">"mapping_model.pbtxt"</span>);</div>
|
|
<div class="line"><a name="l03082"></a><span class="lineno"> 3082</span>  LOG(INFO) << <span class="stringliteral">"Dumping mapping cp model proto to '"</span> << mapping_file << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l03083"></a><span class="lineno"> 3083</span>  <a class="code" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a>(mapping_file, mapping_proto, <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
|
|
<div class="line"><a name="l03084"></a><span class="lineno"> 3084</span>  }</div>
|
|
<div class="line"><a name="l03085"></a><span class="lineno"> 3085</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l03086"></a><span class="lineno"> 3086</span>  </div>
|
|
<div class="line"><a name="l03087"></a><span class="lineno"> 3087</span>  <span class="keywordflow">if</span> (params.stop_after_presolve() || shared_time_limit.<a class="code" href="classoperations__research_1_1_shared_time_limit.html#ad837e6231722ead53bbaf1c6e8f66032">LimitReached</a>()) {</div>
|
|
<div class="line"><a name="l03088"></a><span class="lineno"> 3088</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_terms = 0;</div>
|
|
<div class="line"><a name="l03089"></a><span class="lineno"> 3089</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : new_cp_model_proto.constraints()) {</div>
|
|
<div class="line"><a name="l03090"></a><span class="lineno"> 3090</span>  num_terms += <a class="code" href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">UsedVariables</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>).size();</div>
|
|
<div class="line"><a name="l03091"></a><span class="lineno"> 3091</span>  }</div>
|
|
<div class="line"><a name="l03092"></a><span class="lineno"> 3092</span>  LOG_IF(INFO, log_search)</div>
|
|
<div class="line"><a name="l03093"></a><span class="lineno"> 3093</span>  << <span class="stringliteral">"Stopped after presolve."</span></div>
|
|
<div class="line"><a name="l03094"></a><span class="lineno"> 3094</span>  << <span class="stringliteral">"\nPresolvedNumVariables: "</span> << new_cp_model_proto.variables().size()</div>
|
|
<div class="line"><a name="l03095"></a><span class="lineno"> 3095</span>  << <span class="stringliteral">"\nPresolvedNumConstraints: "</span></div>
|
|
<div class="line"><a name="l03096"></a><span class="lineno"> 3096</span>  << new_cp_model_proto.constraints().size()</div>
|
|
<div class="line"><a name="l03097"></a><span class="lineno"> 3097</span>  << <span class="stringliteral">"\nPresolvedNumTerms: "</span> << num_terms;</div>
|
|
<div class="line"><a name="l03098"></a><span class="lineno"> 3098</span>  </div>
|
|
<div class="line"><a name="l03099"></a><span class="lineno"> 3099</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1b0583113a32425cca801bcd9aac8fe7">SetStatsFromModel</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03100"></a><span class="lineno"> 3100</span>  </div>
|
|
<div class="line"><a name="l03101"></a><span class="lineno"> 3101</span>  final_response = shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a15cd9d22d53c6f6bf248240d2b794094">GetResponse</a>();</div>
|
|
<div class="line"><a name="l03102"></a><span class="lineno"> 3102</span>  postprocess_solution(&final_response);</div>
|
|
<div class="line"><a name="l03103"></a><span class="lineno"> 3103</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l03104"></a><span class="lineno"> 3104</span>  }</div>
|
|
<div class="line"><a name="l03105"></a><span class="lineno"> 3105</span>  </div>
|
|
<div class="line"><a name="l03106"></a><span class="lineno"> 3106</span>  <span class="comment">// Make sure everything stops when we have a first solution if requested.</span></div>
|
|
<div class="line"><a name="l03107"></a><span class="lineno"> 3107</span>  <span class="keywordflow">if</span> (params.stop_after_first_solution()) {</div>
|
|
<div class="line"><a name="l03108"></a><span class="lineno"> 3108</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ac25b5700df43621c1132a8cffce727e5">AddSolutionCallback</a>(</div>
|
|
<div class="line"><a name="l03109"></a><span class="lineno"> 3109</span>  [&shared_time_limit](</div>
|
|
<div class="line"><a name="l03110"></a><span class="lineno"> 3110</span>  <span class="keyword">const</span> CpSolverResponse& response_of_presolved_problem) {</div>
|
|
<div class="line"><a name="l03111"></a><span class="lineno"> 3111</span>  shared_time_limit.<a class="code" href="classoperations__research_1_1_shared_time_limit.html#a17a237457e57625296e6b24feb19c60a">Stop</a>();</div>
|
|
<div class="line"><a name="l03112"></a><span class="lineno"> 3112</span>  });</div>
|
|
<div class="line"><a name="l03113"></a><span class="lineno"> 3113</span>  }</div>
|
|
<div class="line"><a name="l03114"></a><span class="lineno"> 3114</span>  </div>
|
|
<div class="line"><a name="l03115"></a><span class="lineno"> 3115</span> <span class="preprocessor">#if defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l03116"></a><span class="lineno"> 3116</span>  <span class="keywordflow">if</span> (<span class="comment">/* DISABLES CODE */</span> (<span class="keyword">false</span>)) {</div>
|
|
<div class="line"><a name="l03117"></a><span class="lineno"> 3117</span>  <span class="comment">// We ignore the multithreading parameter in this case.</span></div>
|
|
<div class="line"><a name="l03118"></a><span class="lineno"> 3118</span> <span class="preprocessor">#else // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l03119"></a><span class="lineno"> 3119</span>  <span class="keywordflow">if</span> (params.num_search_workers() > 1 || params.interleave_search()) {</div>
|
|
<div class="line"><a name="l03120"></a><span class="lineno"> 3120</span>  SolveCpModelParallel(new_cp_model_proto, &shared_response_manager,</div>
|
|
<div class="line"><a name="l03121"></a><span class="lineno"> 3121</span>  &shared_time_limit, &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03122"></a><span class="lineno"> 3122</span> <span class="preprocessor">#endif // __PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l03123"></a><span class="lineno"> 3123</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03124"></a><span class="lineno"> 3124</span>  <span class="keywordflow">if</span> (log_search) {</div>
|
|
<div class="line"><a name="l03125"></a><span class="lineno"> 3125</span>  LOG(INFO) << absl::StrFormat(<span class="stringliteral">"*** starting to load the model at %.2fs"</span>,</div>
|
|
<div class="line"><a name="l03126"></a><span class="lineno"> 3126</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l03127"></a><span class="lineno"> 3127</span>  }</div>
|
|
<div class="line"><a name="l03128"></a><span class="lineno"> 3128</span>  LoadCpModel(new_cp_model_proto, &shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03129"></a><span class="lineno"> 3129</span>  shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae236e5d74104cf6aa3103fb6bb593e34">LoadDebugSolution</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03130"></a><span class="lineno"> 3130</span>  <span class="keywordflow">if</span> (log_search) {</div>
|
|
<div class="line"><a name="l03131"></a><span class="lineno"> 3131</span>  LOG(INFO) << absl::StrFormat(<span class="stringliteral">"*** starting sequential search at %.2fs"</span>,</div>
|
|
<div class="line"><a name="l03132"></a><span class="lineno"> 3132</span>  <a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>.<a class="code" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a name="l03133"></a><span class="lineno"> 3133</span>  LOG(INFO) << <span class="stringliteral">"Initial num_bool: "</span></div>
|
|
<div class="line"><a name="l03134"></a><span class="lineno"> 3134</span>  << <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<<a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>()->NumVariables();</div>
|
|
<div class="line"><a name="l03135"></a><span class="lineno"> 3135</span>  }</div>
|
|
<div class="line"><a name="l03136"></a><span class="lineno"> 3136</span>  <span class="keywordflow">if</span> (params.repair_hint()) {</div>
|
|
<div class="line"><a name="l03137"></a><span class="lineno"> 3137</span>  MinimizeL1DistanceWithHint(new_cp_model_proto, &shared_response_manager,</div>
|
|
<div class="line"><a name="l03138"></a><span class="lineno"> 3138</span>  &<a class="code" href="cp__model__solver_8cc.html#ace0951799e72ee99fc07d5e509bc7cbf">wall_timer</a>, &shared_time_limit, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03139"></a><span class="lineno"> 3139</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03140"></a><span class="lineno"> 3140</span>  QuickSolveWithHint(new_cp_model_proto, &shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03141"></a><span class="lineno"> 3141</span>  }</div>
|
|
<div class="line"><a name="l03142"></a><span class="lineno"> 3142</span>  SolveLoadedCpModel(new_cp_model_proto, &shared_response_manager, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03143"></a><span class="lineno"> 3143</span>  }</div>
|
|
<div class="line"><a name="l03144"></a><span class="lineno"> 3144</span>  </div>
|
|
<div class="line"><a name="l03145"></a><span class="lineno"> 3145</span>  final_response = shared_response_manager.<a class="code" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a15cd9d22d53c6f6bf248240d2b794094">GetResponse</a>();</div>
|
|
<div class="line"><a name="l03146"></a><span class="lineno"> 3146</span>  postprocess_solution(&final_response);</div>
|
|
<div class="line"><a name="l03147"></a><span class="lineno"> 3147</span>  <span class="keywordflow">if</span> (!final_response.solution().empty()) {</div>
|
|
<div class="line"><a name="l03148"></a><span class="lineno"> 3148</span>  CHECK(<a class="code" href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">SolutionIsFeasible</a>(</div>
|
|
<div class="line"><a name="l03149"></a><span class="lineno"> 3149</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, std::vector<int64>(final_response.solution().begin(),</div>
|
|
<div class="line"><a name="l03150"></a><span class="lineno"> 3150</span>  final_response.solution().end())));</div>
|
|
<div class="line"><a name="l03151"></a><span class="lineno"> 3151</span>  }</div>
|
|
<div class="line"><a name="l03152"></a><span class="lineno"> 3152</span>  <span class="keywordflow">if</span> (degraded_assumptions_support &&</div>
|
|
<div class="line"><a name="l03153"></a><span class="lineno"> 3153</span>  final_response.status() == <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">CpSolverStatus::INFEASIBLE</a>) {</div>
|
|
<div class="line"><a name="l03154"></a><span class="lineno"> 3154</span>  <span class="comment">// For now, just pass in all assumptions.</span></div>
|
|
<div class="line"><a name="l03155"></a><span class="lineno"> 3155</span>  *final_response.mutable_sufficient_assumptions_for_infeasibility() =</div>
|
|
<div class="line"><a name="l03156"></a><span class="lineno"> 3156</span>  <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.assumptions();</div>
|
|
<div class="line"><a name="l03157"></a><span class="lineno"> 3157</span>  }</div>
|
|
<div class="line"><a name="l03158"></a><span class="lineno"> 3158</span>  <span class="keywordflow">return</span> final_response;</div>
|
|
<div class="line"><a name="l03159"></a><span class="lineno"> 3159</span> }</div>
|
|
<div class="line"><a name="l03160"></a><span class="lineno"> 3160</span>  </div>
|
|
<div class="line"><a name="l03161"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5"> 3161</a></span> CpSolverResponse <a class="code" href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5">Solve</a>(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>) {</div>
|
|
<div class="line"><a name="l03162"></a><span class="lineno"> 3162</span>  <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a name="l03163"></a><span class="lineno"> 3163</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03164"></a><span class="lineno"> 3164</span> }</div>
|
|
<div class="line"><a name="l03165"></a><span class="lineno"> 3165</span>  </div>
|
|
<div class="line"><a name="l03166"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#af614bdef2c50e3b9d5806e32ec7ef4b2"> 3166</a></span> CpSolverResponse <a class="code" href="namespaceoperations__research_1_1sat.html#af614bdef2c50e3b9d5806e32ec7ef4b2">SolveWithParameters</a>(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l03167"></a><span class="lineno"> 3167</span>  <span class="keyword">const</span> SatParameters& params) {</div>
|
|
<div class="line"><a name="l03168"></a><span class="lineno"> 3168</span>  <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a name="l03169"></a><span class="lineno"> 3169</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(params));</div>
|
|
<div class="line"><a name="l03170"></a><span class="lineno"> 3170</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03171"></a><span class="lineno"> 3171</span> }</div>
|
|
<div class="line"><a name="l03172"></a><span class="lineno"> 3172</span>  </div>
|
|
<div class="line"><a name="l03173"></a><span class="lineno"> 3173</span> <span class="preprocessor">#if !defined(__PORTABLE_PLATFORM__)</span></div>
|
|
<div class="line"><a name="l03174"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a291dbf6ff50fbc06e1e8cd27b2cc1b23"> 3174</a></span> CpSolverResponse <a class="code" href="namespaceoperations__research_1_1sat.html#af614bdef2c50e3b9d5806e32ec7ef4b2">SolveWithParameters</a>(<span class="keyword">const</span> CpModelProto& <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
|
<div class="line"><a name="l03175"></a><span class="lineno"> 3175</span>  <span class="keyword">const</span> std::string& params) {</div>
|
|
<div class="line"><a name="l03176"></a><span class="lineno"> 3176</span>  <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a name="l03177"></a><span class="lineno"> 3177</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(params));</div>
|
|
<div class="line"><a name="l03178"></a><span class="lineno"> 3178</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, &<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l03179"></a><span class="lineno"> 3179</span> }</div>
|
|
<div class="line"><a name="l03180"></a><span class="lineno"> 3180</span> <span class="preprocessor">#endif // !__PORTABLE_PLATFORM__</span></div>
|
|
<div class="line"><a name="l03181"></a><span class="lineno"> 3181</span>  </div>
|
|
<div class="line"><a name="l03182"></a><span class="lineno"> 3182</span> } <span class="comment">// namespace sat</span></div>
|
|
<div class="line"><a name="l03183"></a><span class="lineno"> 3183</span> } <span class="comment">// namespace operations_research</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<div class="ttc" id="asimplification_8h_html"><div class="ttname"><a href="simplification_8h.html">simplification.h</a></div></div>
|
|
<div class="ttc" id="asynchronization_8h_html"><div class="ttname"><a href="synchronization_8h.html">synchronization.h</a></div></div>
|
|
<div class="ttc" id="acp__model__solver_8cc_html_a52febdf5e56c160bb0d9d99ff2279c9c"><div class="ttname"><a href="cp__model__solver_8cc.html#a52febdf5e56c160bb0d9d99ff2279c9c">DEFINE_bool</a></div><div class="ttdeci">DEFINE_bool(cp_model_dump_models, false, "DEBUG ONLY. When set to true, SolveCpModel() will dump its model " "protos (original model, presolved model, mapping model) in text " "format to " "'FLAGS_cp_model_dump_prefix'{model|presolved_model|mapping_model}.pbtxt.")</div></div>
|
|
<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#l01858">expr_array.cc:1858</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1000a311929a470e5485258d765eeabd"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1000a311929a470e5485258d765eeabd">operations_research::sat::LowerBound</a></div><div class="ttdeci">std::function< int64(const Model &)> LowerBound(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01386">integer.h:1386</a></div></div>
|
|
<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>
|
|
<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#l02065">cp_model_solver.cc:2065</a></div></div>
|
|
<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#l00181">sat_solver.h:181</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">operations_research::sat::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00230">cp_model.pb.h:230</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1cac2cd3c9787a2ef23eba760104007a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1cac2cd3c9787a2ef23eba760104007a">operations_research::sat::MinimizeCoreWithPropagation</a></div><div class="ttdeci">void MinimizeCoreWithPropagation(SatSolver *solver, std::vector< Literal > *core)</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00218">optimization.cc:218</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
|
|
<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
|
|
<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#l00029">base/logging.h:29</a></div></div>
|
|
<div class="ttc" id="athreadpool_8h_html"><div class="ttname"><a href="threadpool_8h.html">threadpool.h</a></div></div>
|
|
<div class="ttc" id="asat__inprocessing_8h_html"><div class="ttname"><a href="sat__inprocessing_8h.html">sat_inprocessing.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aebc63ea48859616e1fb66c1adc807502"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aebc63ea48859616e1fb66c1adc807502">operations_research::sat::FollowHint</a></div><div class="ttdeci">std::function< LiteralIndex()> 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#l00455">integer_search.cc:455</a></div></div>
|
|
<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#l00034">connected_components.cc:34</a></div></div>
|
|
<div class="ttc" id="acp__model_8pb_8h_html"><div class="ttname"><a href="cp__model_8pb_8h.html">cp_model.pb.h</a></div></div>
|
|
<div class="ttc" id="asubsolver_8h_html"><div class="ttname"><a href="subsolver_8h.html">subsolver.h</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="aclassoperations__research_1_1_shared_time_limit_html_a17a237457e57625296e6b24feb19c60a"><div class="ttname"><a href="classoperations__research_1_1_shared_time_limit.html#a17a237457e57625296e6b24feb19c60a">operations_research::SharedTimeLimit::Stop</a></div><div class="ttdeci">void Stop()</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00363">time_limit.h:363</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7feb76be212dca01ffe7ba3a0391e118"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7feb76be212dca01ffe7ba3a0391e118">operations_research::sat::CreateAllDifferentCutGenerator</a></div><div class="ttdeci">CutGenerator CreateAllDifferentCutGenerator(const std::vector< IntegerVariable > &vars, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l01815">cuts.cc:1815</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</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="aclassoperations__research_1_1sat_1_1_drat_proof_handler_html_a54bb4f51333a0efceaf20de7b506e4ab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a54bb4f51333a0efceaf20de7b506e4ab">operations_research::sat::DratProofHandler::AddProblemClause</a></div><div class="ttdeci">void AddProblemClause(absl::Span< const Literal > clause)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00065">drat_proof_handler.cc:65</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5564bcb1461ad3cbce7f744c3fb58c6b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5564bcb1461ad3cbce7f744c3fb58c6b">operations_research::sat::AppendFullEncodingRelaxation</a></div><div class="ttdeci">bool AppendFullEncodingRelaxation(IntegerVariable var, const Model &model, LinearRelaxation *relaxation)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l00033">linear_relaxation.cc:33</a></div></div>
|
|
<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
|
|
<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#l01091">optimization.cc:1091</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_adf176ac81e34e8fd124d823ee0033f1a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#adf176ac81e34e8fd124d823ee0033f1a">operations_research::sat::CreateCliqueCutGenerator</a></div><div class="ttdeci">CutGenerator CreateCliqueCutGenerator(const std::vector< IntegerVariable > &base_variables, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l02406">cuts.cc:2406</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_proof_handler_html_a0b58ef3a397720b272662f8bc45585cb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a0b58ef3a397720b272662f8bc45585cb">operations_research::sat::DratProofHandler::SetNumVariables</a></div><div class="ttdeci">void SetNumVariables(int num_variables)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00054">drat_proof_handler.cc:54</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a32af3f85fedaa710e94d7471e69bfd35"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a32af3f85fedaa710e94d7471e69bfd35">operations_research::sat::ConstantIntegerVariable</a></div><div class="ttdeci">std::function< IntegerVariable(Model *)> ConstantIntegerVariable(int64 value)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01337">integer.h:1337</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae9e5d88686fd52d3bd1a89d7754ca18c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae9e5d88686fd52d3bd1a89d7754ca18c">operations_research::sat::CreateStronglyConnectedGraphCutGenerator</a></div><div class="ttdeci">CutGenerator CreateStronglyConnectedGraphCutGenerator(int num_nodes, const std::vector< int > &tails, const std::vector< int > &heads, const std::vector< Literal > &literals, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="linear__programming__constraint_8cc_source.html#l02462">linear_programming_constraint.cc:2462</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a15cd9d22d53c6f6bf248240d2b794094"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a15cd9d22d53c6f6bf248240d2b794094">operations_research::sat::SharedResponseManager::GetResponse</a></div><div class="ttdeci">CpSolverResponse GetResponse()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00343">synchronization.cc:343</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a73d5e96e46b72c71a4e21c78b504e567"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a73d5e96e46b72c71a4e21c78b504e567">operations_research::sat::PresolveCpModel</a></div><div class="ttdeci">bool PresolveCpModel(const PresolveOptions &options, PresolveContext *context, std::vector< int > *postsolve_mapping)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__presolve_8cc_source.html#l04621">cp_model_presolve.cc:4621</a></div></div>
|
|
<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#l00900">cp_model_solver.cc:900</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815ae071e79c23f061c9dd00ee09519a0031"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815ae071e79c23f061c9dd00ee09519a0031">operations_research::sat::MODEL_INVALID</a></div><div class="ttdeci">@ MODEL_INVALID</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00229">cp_model.pb.h:229</a></div></div>
|
|
<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="file_8cc_source.html#l00277">file.cc:277</a></div></div>
|
|
<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>
|
|
<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#l00441">cp_model_utils.cc:441</a></div></div>
|
|
<div class="ttc" id="arins_8h_html"><div class="ttname"><a href="rins_8h.html">rins.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5a473cc8feeff625d0aea55310606f34"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5a473cc8feeff625d0aea55310606f34">operations_research::sat::PostsolveResponse</a></div><div class="ttdeci">void PostsolveResponse(const int64 num_variables_in_original_model, const CpModelProto &mapping_proto, const std::vector< int > &postsolve_mapping, CpSolverResponse *response)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00207">cp_model_postsolve.cc:207</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ae236e5d74104cf6aa3103fb6bb593e34"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae236e5d74104cf6aa3103fb6bb593e34">operations_research::sat::SharedResponseManager::LoadDebugSolution</a></div><div class="ttdeci">void LoadDebugSolution(Model *)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00480">synchronization.cc:480</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1sat_1_1_presolve_options_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_presolve_options.html">operations_research::sat::PresolveOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00037">presolve_context.h:37</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="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00058">sat_solver.h:58</a></div></div>
|
|
<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#l00077">drat_checker.h:77</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5174cbb2ba52f702d89b3a426b8b2780"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5174cbb2ba52f702d89b3a426b8b2780">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#l00084">subsolver.cc:84</a></div></div>
|
|
<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#l02061">cp_model_solver.cc:2061</a></div></div>
|
|
<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#l01058">optimization.cc:1058</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
|
|
<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#l00095">connected_components.h:95</a></div></div>
|
|
<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#l02064">cp_model_solver.cc:2064</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a130634b7e74e7c3eee64967e6bd5bb15"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a130634b7e74e7c3eee64967e6bd5bb15">operations_research::sat::AppendLinMaxRelaxation</a></div><div class="ttdeci">std::vector< IntegerVariable > AppendLinMaxRelaxation(IntegerVariable target, const std::vector< LinearExpression > &exprs, Model *model, LinearRelaxation *relaxation)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l00684">linear_relaxation.cc:684</a></div></div>
|
|
<div class="ttc" id="anamespacegtl_html_abc18f60961e36340e64e428827c0e38e"><div class="ttname"><a href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">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#l00026">map_util.h:26</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</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>
|
|
<div class="ttc" id="acleanup_8h_html"><div class="ttname"><a href="cleanup_8h.html">cleanup.h</a></div></div>
|
|
<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#l00184">sat_solver.h:184</a></div></div>
|
|
<div class="ttc" id="acircuit_8h_html"><div class="ttname"><a href="circuit_8h.html">circuit.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aba8e3465fc58d3b287e05451d5230bae"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aba8e3465fc58d3b287e05451d5230bae">operations_research::sat::GetReferencesUsedByConstraint</a></div><div class="ttdeci">IndexReferences GetReferencesUsedByConstraint(const ConstraintProto &ct)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00046">cp_model_utils.cc:46</a></div></div>
|
|
<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#l00042">integer.cc:42</a></div></div>
|
|
<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#l00284">synchronization.h:284</a></div></div>
|
|
<div class="ttc" id="acp__model__solver_8cc_html_aec3894ea68bd9b3b2b323fed5770c07d"><div class="ttname"><a href="cp__model__solver_8cc.html#aec3894ea68bd9b3b2b323fed5770c07d">DEFINE_string</a></div><div class="ttdeci">DEFINE_string(cp_model_dump_prefix, "/tmp/", "Prefix filename for all dumped files")</div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a23849eabdcf8e9f6f90e7aa05b298dc9"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a23849eabdcf8e9f6f90e7aa05b298dc9">operations_research::sat::CreateNoOverlapPrecedenceCutGenerator</a></div><div class="ttdeci">CutGenerator CreateNoOverlapPrecedenceCutGenerator(const std::vector< IntervalVariable > &intervals, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l02343">cuts.cc:2343</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1sat_1_1_presolve_options_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_presolve_options.html#a10a1eab179b472c030bdc2a2efef7219">operations_research::sat::PresolveOptions::parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00039">presolve_context.h:39</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
|
|
<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#l01208">integer.h:1208</a></div></div>
|
|
<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>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9e1e7aca479b08255d3f796816ec94bc"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9e1e7aca479b08255d3f796816ec94bc">operations_research::sat::ReindexArcs</a></div><div class="ttdeci">int ReindexArcs(std::vector< int > *tails, std::vector< int > *heads, std::vector< Literal > *literals)</div><div class="ttdef"><b>Definition:</b> <a href="circuit_8cc_source.html#l00471">circuit.cc:471</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a6ce26a62afab55d7606ad4e92428b30c">operations_research::sat::UNKNOWN</a></div><div class="ttdeci">@ UNKNOWN</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00228">cp_model.pb.h:228</a></div></div>
|
|
<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#l00079">drat_checker.h:79</a></div></div>
|
|
<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#l00134">integer.h:134</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a886e9c024f7209181c0a850b6e90c644"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a886e9c024f7209181c0a850b6e90c644">operations_research::sat::Literal::Negated</a></div><div class="ttdeci">Literal Negated() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00091">sat_base.h:91</a></div></div>
|
|
<div class="ttc" id="anamespaceabsl_html_a9bfb260a67150f0bc1da17aac9199866"><div class="ttname"><a href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">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#l00120">cleanup.h:120</a></div></div>
|
|
<div class="ttc" id="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.h</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1sat_1_1_presolve_options_html_a54320231778412ca00e50eb821c95aa6"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_presolve_options.html#a54320231778412ca00e50eb821c95aa6">operations_research::sat::PresolveOptions::log_info</a></div><div class="ttdeci">bool log_info</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00038">presolve_context.h:38</a></div></div>
|
|
<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#l00895">cp_model_solver.cc:895</a></div></div>
|
|
<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#l00105">time_limit.h:105</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a335172e2d9766dcffea5ff4b1dce2f35"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a335172e2d9766dcffea5ff4b1dce2f35">operations_research::sat::SolutionIsFeasible</a></div><div class="ttdeci">bool SolutionIsFeasible(const CpModelProto &model, const std::vector< int64 > &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#l00984">cp_model_checker.cc:984</a></div></div>
|
|
<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#l02066">cp_model_solver.cc:2066</a></div></div>
|
|
<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#l00183">sat_solver.h:183</a></div></div>
|
|
<div class="ttc" id="asat__base_8h_html"><div class="ttname"><a href="sat__base_8h.html">sat_base.h</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a56f1a81c92849566ae864511088eb7e8"><div class="ttname"><a href="integral__types_8h.html#a56f1a81c92849566ae864511088eb7e8">int32</a></div><div class="ttdeci">int int32</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00033">integral_types.h:33</a></div></div>
|
|
<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>
|
|
<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#l00439">gurobi_interface.cc:439</a></div></div>
|
|
<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#l00068">sat_base.h:68</a></div></div>
|
|
<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#l00166">synchronization.h:166</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aa490b08ec514e9c567ff098d53353db1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aa490b08ec514e9c567ff098d53353db1">operations_research::sat::AppendPartialEncodingRelaxation</a></div><div class="ttdeci">void AppendPartialEncodingRelaxation(IntegerVariable var, const Model &model, LinearRelaxation *relaxation)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l00110">linear_relaxation.cc:110</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a562723a1a137cee8f869c1d7eb9641b0"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a562723a1a137cee8f869c1d7eb9641b0">operations_research::sat::CreateSquareCutGenerator</a></div><div class="ttdeci">CutGenerator CreateSquareCutGenerator(IntegerVariable y, IntegerVariable x, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l01421">cuts.cc:1421</a></div></div>
|
|
<div class="ttc" id="aclause_8h_html"><div class="ttname"><a href="clause_8h.html">clause.h</a></div></div>
|
|
<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#l00053">port/proto_utils.h:53</a></div></div>
|
|
<div class="ttc" id="aprobing_8h_html"><div class="ttname"><a href="probing_8h.html">probing.h</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="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#l00896">cp_model_solver.cc:896</a></div></div>
|
|
<div class="ttc" id="aoptimization_8h_html"><div class="ttname"><a href="optimization_8h.html">optimization.h</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="acp__model__solver_8cc_html_a137ba6548819ef2acd9aeae5799ca492"><div class="ttname"><a href="cp__model__solver_8cc.html#a137ba6548819ef2acd9aeae5799ca492">DEFINE_double</a></div><div class="ttdeci">DEFINE_double(max_drat_time_in_seconds, std::numeric_limits< double >::infinity(), "Maximum time in seconds to check the DRAT proof. This will only " "be used is the drat_check flag is enabled.")</div></div>
|
|
<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#l00857">integer_search.cc:857</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1997882201b68c607f2aef7e7369ef67"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1997882201b68c607f2aef7e7369ef67">operations_research::sat::WeightedSumGreaterOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> WeightedSumGreaterOrEqual(const std::vector< IntegerVariable > &vars, const VectorInt &coefficients, int64 lower_bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer__expr_8h_source.html#l00371">integer_expr.h:371</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2884fa43446c0cbc9c7a9b74d41d7483">operations_research::sat::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00231">cp_model.pb.h:231</a></div></div>
|
|
<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#l01749">cp_model_loader.cc:1749</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a50b686357c19f67aa58931db58e801e6"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a50b686357c19f67aa58931db58e801e6">operations_research::sat::CreateOverlappingCumulativeCutGenerator</a></div><div class="ttdeci">CutGenerator CreateOverlappingCumulativeCutGenerator(const std::vector< IntervalVariable > &intervals, const IntegerVariable capacity, const std::vector< IntegerVariable > &demands, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l02212">cuts.cc:2212</a></div></div>
|
|
<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#l00032">base/file.h:32</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a764814ea1f9e5a90d17660156b13f818"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a764814ea1f9e5a90d17660156b13f818">operations_research::sat::ScaleObjectiveValue</a></div><div class="ttdeci">double ScaleObjectiveValue(const CpObjectiveProto &proto, int64 value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00128">cp_model_utils.h:128</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7f96a084f2f3d7942b88c9f932cb7f00"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7f96a084f2f3d7942b88c9f932cb7f00">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#l00116">subsolver.cc:116</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a79dd91110f5d70b761738e261bc56ed4"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a79dd91110f5d70b761738e261bc56ed4">operations_research::sat::NewIntegerVariable</a></div><div class="ttdeci">std::function< IntegerVariable(Model *)> NewIntegerVariable(int64 lb, int64 ub)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01345">integer.h:1345</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1sat_1_1_presolve_options_html_af79cc1a1be165d78f65b41fc72e7eaec"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_presolve_options.html#af79cc1a1be165d78f65b41fc72e7eaec">operations_research::sat::PresolveOptions::time_limit</a></div><div class="ttdeci">TimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00040">presolve_context.h:40</a></div></div>
|
|
<div class="ttc" id="asat__parameters_8pb_8h_html"><div class="ttname"><a href="sat__parameters_8pb_8h.html">sat_parameters.pb.h</a></div></div>
|
|
<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#l02062">cp_model_solver.cc:2062</a></div></div>
|
|
<div class="ttc" id="acp__model__solver_8cc_html_ac3cf9db02b23ea1455b5ae6955d03e47"><div class="ttname"><a href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a></div><div class="ttdeci">SharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02063">cp_model_solver.cc:2063</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7d1c65f24756bb9dad18da1f5e82bb9c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7d1c65f24756bb9dad18da1f5e82bb9c">operations_research::sat::MinimizeWithHittingSetAndLazyEncoding</a></div><div class="ttdeci">SatSolver::Status MinimizeWithHittingSetAndLazyEncoding(const ObjectiveDefinition &objective_definition, const std::function< void()> &feasible_solution_observer, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l01757">optimization.cc:1757</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1b58410ae2ce448fc8c147879154c5cc"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1b58410ae2ce448fc8c147879154c5cc">operations_research::sat::InstrumentSearchStrategy</a></div><div class="ttdeci">std::function< LiteralIndex()> InstrumentSearchStrategy(const CpModelProto &cp_model_proto, const std::vector< IntegerVariable > &variable_mapping, const std::function< LiteralIndex()> &instrumented_strategy, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00231">cp_model_search.cc:231</a></div></div>
|
|
<div class="ttc" id="aconnected__components_8h_html"><div class="ttname"><a href="connected__components_8h.html">connected_components.h</a></div></div>
|
|
<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
|
|
<div class="ttc" id="aprecedences_8h_html"><div class="ttname"><a href="precedences_8h.html">precedences.h</a></div></div>
|
|
<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a33bff3781b729e27219201cf5a05a140"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a33bff3781b729e27219201cf5a05a140">operations_research::sat::ProbeBooleanVariables</a></div><div class="ttdeci">bool ProbeBooleanVariables(const double deterministic_time_limit, Model *model, bool log_info)</div><div class="ttdef"><b>Definition:</b> <a href="probing_8cc_source.html#l00030">probing.cc:30</a></div></div>
|
|
<div class="ttc" id="aintervals_8h_html"><div class="ttname"><a href="intervals_8h.html">intervals.h</a></div></div>
|
|
<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>
|
|
<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#l00152">cp_model_solver.cc:152</a></div></div>
|
|
<div class="ttc" id="ainteger__expr_8h_html"><div class="ttname"><a href="integer__expr_8h.html">integer_expr.h</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_bounds_manager_html_a9ca5b99b3550503ca7bad8418e133156"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html#a9ca5b99b3550503ca7bad8418e133156">operations_research::sat::SharedBoundsManager::Synchronize</a></div><div class="ttdeci">void Synchronize()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00600">synchronization.cc:600</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a775efd540e54bd3be662ce7ee8894c1e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a775efd540e54bd3be662ce7ee8894c1e">operations_research::sat::NewIntegerVariableFromLiteral</a></div><div class="ttdeci">std::function< IntegerVariable(Model *)> NewIntegerVariableFromLiteral(Literal lit)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01363">integer.h:1363</a></div></div>
|
|
<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#l02067">cp_model_solver.cc:2067</a></div></div>
|
|
<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#l00182">sat_solver.h:182</a></div></div>
|
|
<div class="ttc" id="aint__type__indexed__vector_8h_html"><div class="ttname"><a href="int__type__indexed__vector_8h.html">int_type_indexed_vector.h</a></div></div>
|
|
<div class="ttc" id="aclass_dense_connected_components_finder_html_a3bd75ea47488e500083fd8401d833f5d"><div class="ttname"><a href="class_dense_connected_components_finder.html#a3bd75ea47488e500083fd8401d833f5d">DenseConnectedComponentsFinder::AddEdge</a></div><div class="ttdeci">void AddEdge(int node1, int node2)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00071">connected_components.cc:71</a></div></div>
|
|
<div class="ttc" id="alinear__relaxation_8h_html"><div class="ttname"><a href="linear__relaxation_8h.html">linear_relaxation.h</a></div></div>
|
|
<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#l00377">synchronization.cc:377</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a7fea62548e11ae728e506874f767bdd3"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a7fea62548e11ae728e506874f767bdd3">operations_research::sat::CreateLinMaxCutGenerator</a></div><div class="ttdeci">CutGenerator CreateLinMaxCutGenerator(const IntegerVariable target, const std::vector< LinearExpression > &exprs, const std::vector< IntegerVariable > &z_vars, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l01912">cuts.cc:1912</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a42a3b266d8c6dfab1c14baa6c04e2333"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a42a3b266d8c6dfab1c14baa6c04e2333">operations_research::sat::HasEnforcementLiteral</a></div><div class="ttdeci">bool HasEnforcementLiteral(const ConstraintProto &ct)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00037">cp_model_utils.h:37</a></div></div>
|
|
<div class="ttc" id="adrat__checker_8h_html"><div class="ttname"><a href="drat__checker_8h.html">drat_checker.h</a></div></div>
|
|
<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#l00038">sat/model.h:38</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3a0306b13619850b5bb41627e5cc103f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3a0306b13619850b5bb41627e5cc103f">operations_research::sat::CreateNoOverlapCutGenerator</a></div><div class="ttdeci">CutGenerator CreateNoOverlapCutGenerator(const std::vector< IntervalVariable > &intervals, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l02326">cuts.cc:2326</a></div></div>
|
|
<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#l00042">demon_profiler.cc:42</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">operations_research::sat::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00232">cp_model.pb.h:232</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="asigint_8h_html"><div class="ttname"><a href="sigint_8h.html">sigint.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a44f635d04529be503aa7f14917185a37"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a44f635d04529be503aa7f14917185a37">operations_research::sat::ComputeInnerObjective</a></div><div class="ttdeci">int64 ComputeInnerObjective(const CpObjectiveProto &objective, const CpSolverResponse &response)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00520">cp_model_utils.cc:520</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a4ff205ed5a074bbe499b1fa20da1dd9b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a4ff205ed5a074bbe499b1fa20da1dd9b">operations_research::sat::PositiveVarExpr</a></div><div class="ttdeci">LinearExpression PositiveVarExpr(const LinearExpression &expr)</div><div class="ttdef"><b>Definition:</b> <a href="linear__constraint_8cc_source.html#l00319">linear_constraint.cc:319</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3f1a1b8a7a1a488e263a2e74f45d2a59"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">operations_research::sat::Value</a></div><div class="ttdeci">std::function< int64(const Model &)> Value(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01406">integer.h:1406</a></div></div>
|
|
<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#l00076">drat_checker.h:76</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a949fa684e53fd6a18a2d1f79133fd80a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a949fa684e53fd6a18a2d1f79133fd80a">operations_research::sat::WeightedSumLowerOrEqual</a></div><div class="ttdeci">std::function< void(Model *)> WeightedSumLowerOrEqual(const std::vector< IntegerVariable > &vars, const VectorInt &coefficients, int64 upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer__expr_8h_source.html#l00266">integer_expr.h:266</a></div></div>
|
|
<div class="ttc" id="aclassabsl_1_1_cleanup_html"><div class="ttname"><a href="classabsl_1_1_cleanup.html">absl::Cleanup</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00086">cleanup.h:86</a></div></div>
|
|
<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#l00909">cp_model_solver.cc:909</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_shared_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_shared_time_limit.html">operations_research::SharedTimeLimit</a></div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00338">time_limit.h:338</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ace76b216f012cbdf1443670080329f6d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">operations_research::sat::IsFixed</a></div><div class="ttdeci">std::function< bool(const Model &)> IsFixed(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01398">integer.h:1398</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acd00c99b5770a8f86418ce2c60c716b8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acd00c99b5770a8f86418ce2c60c716b8">operations_research::sat::CreatePositiveMultiplicationCutGenerator</a></div><div class="ttdeci">CutGenerator CreatePositiveMultiplicationCutGenerator(IntegerVariable z, IntegerVariable x, IntegerVariable y, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l01325">cuts.cc:1325</a></div></div>
|
|
<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#l00032">cp_model_utils.h:32</a></div></div>
|
|
<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>
|
|
<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#l01214">integer.h:1214</a></div></div>
|
|
<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#l01947">integer.cc:1947</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_shared_time_limit_html_ad837e6231722ead53bbaf1c6e8f66032"><div class="ttname"><a href="classoperations__research_1_1_shared_time_limit.html#ad837e6231722ead53bbaf1c6e8f66032">operations_research::SharedTimeLimit::LimitReached</a></div><div class="ttdeci">bool LimitReached() const</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00356">time_limit.h:356</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ac25b5700df43621c1132a8cffce727e5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ac25b5700df43621c1132a8cffce727e5">operations_research::sat::SharedResponseManager::AddSolutionCallback</a></div><div class="ttdeci">int AddSolutionCallback(std::function< void(const CpSolverResponse &)> callback)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00324">synchronization.cc:324</a></div></div>
|
|
<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>
|
|
<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#l00138">cp_model_utils.h:138</a></div></div>
|
|
<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#l00195">gurobi_interface.cc:195</a></div></div>
|
|
<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#l02833">cp_model_solver.cc:2833</a></div></div>
|
|
<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#l00274">cp_model_solver.cc:274</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a9ca5b99b3550503ca7bad8418e133156"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156">operations_research::sat::SharedSolutionRepository::Synchronize</a></div><div class="ttdeci">void Synchronize()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00462">synchronization.h:462</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a901c19b12842f8af153e588a689a90b5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">operations_research::sat::FillDomainInProto</a></div><div class="ttdeci">void FillDomainInProto(const Domain &domain, ProtoWithDomain *proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00091">cp_model_utils.h:91</a></div></div>
|
|
<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#l00034">cp_model_utils.h:34</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a355a62f25cfadeccfb164ab9fb867c81"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">operations_research::sat::kMinIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue)</div></div>
|
|
<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>
|
|
<div class="ttc" id="afeasibility__pump_8h_html"><div class="ttname"><a href="feasibility__pump_8h.html">feasibility_pump.h</a></div></div>
|
|
<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>
|
|
<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#l00897">cp_model_solver.cc:897</a></div></div>
|
|
<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#l00123">connected_components.cc:123</a></div></div>
|
|
<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#l00119">base/file.h:119</a></div></div>
|
|
<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#l00716">constraint_solver.cc:716</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ab24169d006da05dc1bf3f5d8b4f0ae65"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab24169d006da05dc1bf3f5d8b4f0ae65">operations_research::sat::SharedResponseManager::SetGapLimitsFromParameters</a></div><div class="ttdeci">void SetGapLimitsFromParameters(const SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00161">synchronization.cc:161</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a27da77e2f3fc205f1b3b184db3c9bd77"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a27da77e2f3fc205f1b3b184db3c9bd77">operations_research::sat::MaybeFullyEncodeMoreVariables</a></div><div class="ttdeci">void MaybeFullyEncodeMoreVariables(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00937">cp_model_loader.cc:937</a></div></div>
|
|
<div class="ttc" id="anamespacefile_html"><div class="ttname"><a href="namespacefile.html">file</a></div><div class="ttdef"><b>Definition:</b> <a href="file_8cc_source.html#l00141">file.cc:141</a></div></div>
|
|
<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#l00078">drat_checker.h:78</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a950da19798dc78760bff02703c431692"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a950da19798dc78760bff02703c431692">operations_research::sat::UpperBound</a></div><div class="ttdeci">std::function< int64(const Model &)> UpperBound(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01392">integer.h:1392</a></div></div>
|
|
<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#l03161">cp_model_solver.cc:3161</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a34b1d34844b9b1695dd45dfd9c33f663"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a34b1d34844b9b1695dd45dfd9c33f663">operations_research::sat::CreateCumulativeCutGenerator</a></div><div class="ttdeci">CutGenerator CreateCumulativeCutGenerator(const std::vector< IntervalVariable > &intervals, const IntegerVariable capacity, const std::vector< IntegerVariable > &demands, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l02193">cuts.cc:2193</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_shared_time_limit_html_ac7e861414a70fc937d18bc7ca743fc98"><div class="ttname"><a href="classoperations__research_1_1_shared_time_limit.html#ac7e861414a70fc937d18bc7ca743fc98">operations_research::SharedTimeLimit::GetElapsedDeterministicTime</a></div><div class="ttdeci">double GetElapsedDeterministicTime() const</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00383">time_limit.h:383</a></div></div>
|
|
<div class="ttc" id="aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a></div><div class="ttdeci">int64 b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00043">constraint_solver/table.cc:43</a></div></div>
|
|
<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>
|
|
<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>
|
|
<div class="ttc" id="aclassoperations__research_1_1_time_limit_html_a517ffd071860d7efd76134e25f6f03e1"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html#a517ffd071860d7efd76134e25f6f03e1">operations_research::TimeLimit::Infinite</a></div><div class="ttdeci">static std::unique_ptr< TimeLimit > Infinite()</div><div class="ttdoc">Creates a time limit object that uses infinite time for wall time, deterministic time and instruction...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00134">time_limit.h:134</a></div></div>
|
|
<div class="ttc" id="arouting__flow_8cc_html_adf3be22c64f10c0783c0cf277e857adf"><div class="ttname"><a href="routing__flow_8cc.html#adf3be22c64f10c0783c0cf277e857adf">capacity</a></div><div class="ttdeci">int64 capacity</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00129">routing_flow.cc:129</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a1b0583113a32425cca801bcd9aac8fe7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1b0583113a32425cca801bcd9aac8fe7">operations_research::sat::SharedResponseManager::SetStatsFromModel</a></div><div class="ttdeci">void SetStatsFromModel(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00515">synchronization.cc:515</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a83551f805175c3a30ea146efaad2ec63"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a83551f805175c3a30ea146efaad2ec63">operations_research::sat::CreateCVRPCutGenerator</a></div><div class="ttdeci">CutGenerator CreateCVRPCutGenerator(int num_nodes, const std::vector< int > &tails, const std::vector< int > &heads, const std::vector< Literal > &literals, const std::vector< int64 > &demands, int64 capacity, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="linear__programming__constraint_8cc_source.html#l02478">linear_programming_constraint.cc:2478</a></div></div>
|
|
<div class="ttc" id="ainteger__search_8h_html"><div class="ttname"><a href="integer__search_8h.html">integer_search.h</a></div></div>
|
|
<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>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5b41bc8ce6039029dcbd0463c9edac10"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5b41bc8ce6039029dcbd0463c9edac10">operations_research::sat::GetExprFromProto</a></div><div class="ttdeci">LinearExpression GetExprFromProto(const LinearExpressionProto &expr_proto, const CpModelMapping &mapping)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l01263">cp_model_loader.cc:1263</a></div></div>
|
|
<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="file_8cc_source.html#l00142">file.cc:142</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aff14a4092356fceea657393b7b234b7f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aff14a4092356fceea657393b7b234b7f">operations_research::sat::AppendPartialGreaterThanEncodingRelaxation</a></div><div class="ttdeci">void AppendPartialGreaterThanEncodingRelaxation(IntegerVariable var, const Model &model, LinearRelaxation *relaxation)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l00185">linear_relaxation.cc:185</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_accb8be601562b35adeea0682f3ea560c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c">operations_research::sat::GetDiverseSetOfParameters</a></div><div class="ttdeci">std::vector< SatParameters > GetDiverseSetOfParameters(const SatParameters &base_params, const CpModelProto &cp_model, const int num_workers)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00286">cp_model_search.cc:286</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_sigint_handler_html_a5e98616033ca33d40d7de0315ef11403"><div class="ttname"><a href="classoperations__research_1_1_sigint_handler.html#a5e98616033ca33d40d7de0315ef11403">operations_research::SigintHandler::Register</a></div><div class="ttdeci">void Register(const std::function< void()> &f)</div><div class="ttdef"><b>Definition:</b> <a href="sigint_8cc_source.html#l00022">sigint.cc:22</a></div></div>
|
|
<div class="ttc" id="acuts_8h_html"><div class="ttname"><a href="cuts_8h.html">cuts.h</a></div></div>
|
|
<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#l00084">optimization.cc:84</a></div></div>
|
|
<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#l00533">integer_search.cc:533</a></div></div>
|
|
<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#l00102">cp_model_utils.h:102</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ac158f737c8653b1fc1bd294ea2d3412d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ac158f737c8653b1fc1bd294ea2d3412d">operations_research::sat::CreateKnapsackCoverCutGenerator</a></div><div class="ttdeci">CutGenerator CreateKnapsackCoverCutGenerator(const std::vector< LinearConstraint > &base_constraints, const std::vector< IntegerVariable > &vars, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cuts_8cc_source.html#l00435">cuts.cc:435</a></div></div>
|
|
<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#l00185">sat_solver.h:185</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a36fb5f468cf9d2ccab83c7eaa6978213"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a36fb5f468cf9d2ccab83c7eaa6978213">operations_research::sat::ConstructSearchStrategy</a></div><div class="ttdeci">std::function< LiteralIndex()> 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#l00173">cp_model_search.cc:173</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aeaa0c02e25de8ad88ffb65ef88e2eb86"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aeaa0c02e25de8ad88ffb65ef88e2eb86">operations_research::sat::ValidateCpModel</a></div><div class="ttdeci">std::string ValidateCpModel(const CpModelProto &model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__checker_8cc_source.html#l00375">cp_model_checker.cc:375</a></div></div>
|
|
<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
|
|
<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#l00107">cp_model_fz_solver.cc:107</a></div></div>
|
|
<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#l02068">cp_model_solver.cc:2068</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a94739087f86f5e1b7679d5371d4d9f4b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a94739087f86f5e1b7679d5371d4d9f4b">operations_research::sat::TryToLinearizeConstraint</a></div><div class="ttdeci">void TryToLinearizeConstraint(const CpModelProto &model_proto, const ConstraintProto &ct, Model *model, int linearization_level, LinearRelaxation *relaxation)</div><div class="ttdef"><b>Definition:</b> <a href="linear__relaxation_8cc_source.html#l00315">linear_relaxation.cc:315</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_af614bdef2c50e3b9d5806e32ec7ef4b2"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#af614bdef2c50e3b9d5806e32ec7ef4b2">operations_research::sat::SolveWithParameters</a></div><div class="ttdeci">CpSolverResponse SolveWithParameters(const CpModelProto &model_proto, const SatParameters &params)</div><div class="ttdoc">Solves the given CpModelProto with the given parameters.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03166">cp_model_solver.cc:3166</a></div></div>
|
|
<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
|
|
<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#l00807">default_search.cc:807</a></div></div>
|
|
<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>
|
|
<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>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a38c2801a1b4798693c3a425b41e0356b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a38c2801a1b4798693c3a425b41e0356b">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)</div><div class="ttdef"><b>Definition:</b> <a href="simplification_8cc_source.html#l01246">simplification.cc:1246</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</a></div></div>
|
|
<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>
|
|
<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#l00170">map_util.h:170</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_drat_proof_handler_html_a29037e50da43e6bda147d22c452fb91d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_drat_proof_handler.html#a29037e50da43e6bda147d22c452fb91d">operations_research::sat::DratProofHandler::Check</a></div><div class="ttdeci">DratChecker::Status Check(double max_time_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="drat__proof__handler_8cc_source.html#l00091">drat_proof_handler.cc:91</a></div></div>
|
|
<!-- HTML footer for doxygen 1.8.18-->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_dddac007a45022d9da6ea1dee012c3b9.html">sat</a></li><li class="navelem"><a class="el" href="cp__model__solver_8cc.html">cp_model_solver.cc</a></li>
|
|
<li class="footer">Generated by
|
|
<a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.20 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|