102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "gtest/gtest.h"
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#include "ortools/base/parse_test_proto.h"
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#include "ortools/sat/cp_model.pb.h"
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#include "ortools/sat/cp_model_solver.h"
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#include "ortools/sat/sat_parameters.pb.h"
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namespace operations_research {
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namespace sat {
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namespace {
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using ::google::protobuf::contrib::parse_proto::ParseTestProto;
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TEST(FlakyTest, Issue3108) {
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const CpModelProto model_proto = ParseTestProto(R"pb(
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variables { domain: 0 domain: 1 }
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variables { domain: 0 domain: 1 }
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variables { domain: 0 domain: 1 }
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variables { domain: 0 domain: 1 }
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variables { domain: 0 domain: 1 }
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constraints {
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enforcement_literal: 2
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interval {
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start { vars: 0 coeffs: 1 }
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end { vars: 0 coeffs: 1 offset: 1 }
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size { offset: 1 }
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}
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}
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constraints {
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enforcement_literal: 3
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interval {
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start { vars: 1 coeffs: 1 }
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end { vars: 1 coeffs: 1 offset: 1 }
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size { offset: 1 }
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}
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}
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constraints {
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cumulative {
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capacity { vars: 4 coeffs: 1 }
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intervals: 0
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intervals: 1
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demands { offset: 1 }
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demands { offset: 1 }
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}
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}
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constraints {
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enforcement_literal: 2
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linear { vars: 0 coeffs: 1 domain: 0 domain: 1 }
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}
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constraints {
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enforcement_literal: -3
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linear {
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vars: 0
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coeffs: 1
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domain: -9223372036854775808
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domain: -1
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domain: 2
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domain: 9223372036854775807
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}
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}
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constraints {
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enforcement_literal: 3
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linear { vars: 1 coeffs: 1 domain: 0 domain: 1 }
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}
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constraints {
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enforcement_literal: -4
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linear {
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vars: 1
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coeffs: 1
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domain: -9223372036854775808
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domain: -1
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domain: 2
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domain: 9223372036854775807
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}
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}
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objective { vars: 4 coeffs: 1 }
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)pb");
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SatParameters parameters;
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parameters.set_log_search_progress(true);
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parameters.set_cp_model_probing_level(0);
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parameters.set_num_workers(1);
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const CpSolverResponse response =
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SolveWithParameters(model_proto, parameters);
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EXPECT_EQ(response.status(), CpSolverStatus::OPTIMAL);
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}
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} // namespace
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} // namespace sat
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} // namespace operations_research
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