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https://github.com/AdaCore/cvc5.git
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e579c9094e
This allows us to terminate quickly during preprocessing if a false assertion is encountered. The other flags allow more generic handling of how to post-process results of check-sat.
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/******************************************************************************
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* Top contributors (to current version):
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* Aina Niemetz, Gereon Kremer, Mathias Preiner
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*
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* This file is part of the cvc5 project.
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*
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* Copyright (c) 2009-2023 by the authors listed in the file AUTHORS
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* in the top-level source directory and their institutional affiliations.
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* All rights reserved. See the file COPYING in the top-level source
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* directory for licensing information.
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* ****************************************************************************
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*
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* Black box testing of the Result class
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*/
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#include "test_api.h"
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namespace cvc5::internal {
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namespace test {
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class TestApiBlackResult : public TestApi
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{
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};
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TEST_F(TestApiBlackResult, isNull)
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{
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cvc5::Result res_null;
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ASSERT_TRUE(res_null.isNull());
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ASSERT_FALSE(res_null.isSat());
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ASSERT_FALSE(res_null.isUnsat());
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ASSERT_FALSE(res_null.isUnknown());
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Sort u_sort = d_solver.mkUninterpretedSort("u");
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Term x = d_solver.mkConst(u_sort, "x");
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d_solver.assertFormula(x.eqTerm(x));
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cvc5::Result res = d_solver.checkSat();
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ASSERT_FALSE(res.isNull());
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}
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TEST_F(TestApiBlackResult, eq)
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{
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Sort u_sort = d_solver.mkUninterpretedSort("u");
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Term x = d_solver.mkConst(u_sort, "x");
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d_solver.assertFormula(x.eqTerm(x));
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cvc5::Result res;
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cvc5::Result res2 = d_solver.checkSat();
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cvc5::Result res3 = d_solver.checkSat();
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ASSERT_NE(res, res2);
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res = res2;
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ASSERT_EQ(res, res2);
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ASSERT_EQ(res3, res2);
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{
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std::stringstream ss;
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ss << res;
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ASSERT_EQ(res.toString(), "sat");
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ASSERT_EQ(res.toString(), ss.str());
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}
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}
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TEST_F(TestApiBlackResult, isSat)
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{
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Sort u_sort = d_solver.mkUninterpretedSort("u");
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Term x = d_solver.mkConst(u_sort, "x");
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d_solver.assertFormula(x.eqTerm(x));
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cvc5::Result res = d_solver.checkSat();
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ASSERT_TRUE(res.isSat());
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ASSERT_FALSE(res.isUnknown());
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}
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TEST_F(TestApiBlackResult, isUnsat)
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{
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Sort u_sort = d_solver.mkUninterpretedSort("u");
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Term x = d_solver.mkConst(u_sort, "x");
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d_solver.assertFormula(x.eqTerm(x).notTerm());
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cvc5::Result res = d_solver.checkSat();
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ASSERT_TRUE(res.isUnsat());
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ASSERT_FALSE(res.isUnknown());
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}
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TEST_F(TestApiBlackResult, isUnknown)
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{
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d_solver.setLogic("QF_NIA");
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d_solver.setOption("incremental", "false");
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d_solver.setOption("solve-real-as-int", "true");
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Sort real_sort = d_solver.getRealSort();
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Term x = d_solver.mkConst(real_sort, "x");
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d_solver.assertFormula(
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d_solver.mkTerm(Kind::LT, {d_solver.mkReal("0.0"), x}));
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d_solver.assertFormula(
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d_solver.mkTerm(Kind::LT, {x, d_solver.mkReal("1.0")}));
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cvc5::Result res = d_solver.checkSat();
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ASSERT_FALSE(res.isSat());
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ASSERT_TRUE(res.isUnknown());
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cvc5::UnknownExplanation ue = res.getUnknownExplanation();
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ASSERT_EQ(ue, cvc5::UnknownExplanation::UNKNOWN_REASON);
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{
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std::stringstream ss;
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ss << ue;
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ASSERT_EQ(ss.str(), "UNKNOWN_REASON");
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}
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}
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} // namespace test
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} // namespace cvc5::internal
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