|
|
@ -55,4 +55,169 @@ TEST(MathSatSmtSolver, CheckUnsat) { |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
} |
|
|
|
|
|
|
|
TEST(MathSatSmtSolver, Backtracking) { |
|
|
|
storm::solver::MathSatSmtSolver s; |
|
|
|
storm::solver::SmtSolver::CheckResult result = storm::solver::SmtSolver::CheckResult::UNKNOWN; |
|
|
|
|
|
|
|
storm::expressions::Expression expr1 = storm::expressions::Expression::createTrue(); |
|
|
|
storm::expressions::Expression expr2 = storm::expressions::Expression::createFalse(); |
|
|
|
storm::expressions::Expression expr3 = storm::expressions::Expression::createFalse(); |
|
|
|
|
|
|
|
ASSERT_NO_THROW(s.assertExpression(expr1)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(s.push()); |
|
|
|
ASSERT_NO_THROW(s.assertExpression(expr2)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
ASSERT_NO_THROW(s.pop()); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(s.push()); |
|
|
|
ASSERT_NO_THROW(s.assertExpression(expr2)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
ASSERT_NO_THROW(s.push()); |
|
|
|
ASSERT_NO_THROW(s.assertExpression(expr3)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
ASSERT_NO_THROW(s.pop(2)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(s.reset()); |
|
|
|
|
|
|
|
storm::expressions::Expression a = storm::expressions::Expression::createIntegerVariable("a"); |
|
|
|
storm::expressions::Expression b = storm::expressions::Expression::createIntegerVariable("b"); |
|
|
|
storm::expressions::Expression c = storm::expressions::Expression::createIntegerVariable("c"); |
|
|
|
storm::expressions::Expression exprFormula = a >= storm::expressions::Expression::createIntegerLiteral(0) |
|
|
|
&& a < storm::expressions::Expression::createIntegerLiteral(5) |
|
|
|
&& b > storm::expressions::Expression::createIntegerLiteral(7) |
|
|
|
&& c == (a + b - storm::expressions::Expression::createIntegerLiteral(1)) |
|
|
|
&& b + a > c; |
|
|
|
storm::expressions::Expression exprFormula2 = c > a + b + storm::expressions::Expression::createIntegerLiteral(1); |
|
|
|
|
|
|
|
ASSERT_NO_THROW(s.assertExpression(exprFormula)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(s.push()); |
|
|
|
ASSERT_NO_THROW(s.assertExpression(exprFormula2)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
ASSERT_NO_THROW(s.pop()); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
} |
|
|
|
|
|
|
|
TEST(MathSatSmtSolver, Assumptions) { |
|
|
|
storm::solver::MathSatSmtSolver s; |
|
|
|
storm::solver::SmtSolver::CheckResult result = storm::solver::SmtSolver::CheckResult::UNKNOWN; |
|
|
|
|
|
|
|
storm::expressions::Expression a = storm::expressions::Expression::createIntegerVariable("a"); |
|
|
|
storm::expressions::Expression b = storm::expressions::Expression::createIntegerVariable("b"); |
|
|
|
storm::expressions::Expression c = storm::expressions::Expression::createIntegerVariable("c"); |
|
|
|
storm::expressions::Expression exprFormula = a >= storm::expressions::Expression::createIntegerLiteral(0) |
|
|
|
&& a < storm::expressions::Expression::createIntegerLiteral(5) |
|
|
|
&& b > storm::expressions::Expression::createIntegerLiteral(7) |
|
|
|
&& c == (a + b - storm::expressions::Expression::createIntegerLiteral(1)) |
|
|
|
&& b + a > c; |
|
|
|
storm::expressions::Expression f2 = storm::expressions::Expression::createBooleanVariable("f2"); |
|
|
|
storm::expressions::Expression exprFormula2 = f2.implies(c > a + b + storm::expressions::Expression::createIntegerLiteral(1)); |
|
|
|
|
|
|
|
ASSERT_NO_THROW(s.assertExpression(exprFormula)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(s.assertExpression(exprFormula2)); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(result = s.checkWithAssumptions({f2})); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
ASSERT_NO_THROW(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
ASSERT_NO_THROW(result = s.checkWithAssumptions({ !f2 })); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
} |
|
|
|
|
|
|
|
TEST(MathSatSmtSolver, GenerateModel) { |
|
|
|
storm::solver::MathSatSmtSolver s; |
|
|
|
storm::solver::SmtSolver::CheckResult result; |
|
|
|
|
|
|
|
storm::expressions::Expression a = storm::expressions::Expression::createIntegerVariable("a"); |
|
|
|
storm::expressions::Expression b = storm::expressions::Expression::createIntegerVariable("b"); |
|
|
|
storm::expressions::Expression c = storm::expressions::Expression::createIntegerVariable("c"); |
|
|
|
storm::expressions::Expression exprFormula = a > storm::expressions::Expression::createIntegerLiteral(0) |
|
|
|
&& a < storm::expressions::Expression::createIntegerLiteral(5) |
|
|
|
&& b > storm::expressions::Expression::createIntegerLiteral(7) |
|
|
|
&& c == (a + b - storm::expressions::Expression::createIntegerLiteral(1)) |
|
|
|
&& b + a > c; |
|
|
|
|
|
|
|
(s.assertExpression(exprFormula)); |
|
|
|
(result = s.check()); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::SAT); |
|
|
|
storm::expressions::SimpleValuation model; |
|
|
|
(model = s.getModel()); |
|
|
|
int_fast64_t a_eval = model.getIntegerValue("a"); |
|
|
|
int_fast64_t b_eval = model.getIntegerValue("b"); |
|
|
|
int_fast64_t c_eval = model.getIntegerValue("c"); |
|
|
|
ASSERT_TRUE(c_eval == a_eval + b_eval - 1); |
|
|
|
} |
|
|
|
|
|
|
|
TEST(MathSatSmtSolver, AllSat) { |
|
|
|
storm::solver::MathSatSmtSolver s; |
|
|
|
storm::solver::SmtSolver::CheckResult result = storm::solver::SmtSolver::CheckResult::UNKNOWN; |
|
|
|
|
|
|
|
storm::expressions::Expression a = storm::expressions::Expression::createIntegerVariable("a"); |
|
|
|
storm::expressions::Expression b = storm::expressions::Expression::createIntegerVariable("b"); |
|
|
|
storm::expressions::Expression x = storm::expressions::Expression::createBooleanVariable("x"); |
|
|
|
storm::expressions::Expression y = storm::expressions::Expression::createBooleanVariable("y"); |
|
|
|
storm::expressions::Expression z = storm::expressions::Expression::createBooleanVariable("z"); |
|
|
|
storm::expressions::Expression exprFormula1 = x.implies(a > storm::expressions::Expression::createIntegerLiteral(5)); |
|
|
|
storm::expressions::Expression exprFormula2 = y.implies(a < storm::expressions::Expression::createIntegerLiteral(5)); |
|
|
|
storm::expressions::Expression exprFormula3 = z.implies(b < storm::expressions::Expression::createIntegerLiteral(5)); |
|
|
|
|
|
|
|
(s.assertExpression(exprFormula1)); |
|
|
|
(s.assertExpression(exprFormula2)); |
|
|
|
(s.assertExpression(exprFormula3)); |
|
|
|
|
|
|
|
std::vector<storm::expressions::SimpleValuation> valuations = s.allSat({x,y}); |
|
|
|
|
|
|
|
ASSERT_TRUE(valuations.size() == 3); |
|
|
|
for (int i = 0; i < valuations.size(); ++i) { |
|
|
|
ASSERT_EQ(valuations[i].getNumberOfIdentifiers(), 2); |
|
|
|
ASSERT_TRUE(valuations[i].containsBooleanIdentifier("x")); |
|
|
|
ASSERT_TRUE(valuations[i].containsBooleanIdentifier("y")); |
|
|
|
} |
|
|
|
for (int i = 0; i < valuations.size(); ++i) { |
|
|
|
ASSERT_FALSE(valuations[i].getBooleanValue("x") && valuations[i].getBooleanValue("y")); |
|
|
|
|
|
|
|
for (int j = i+1; j < valuations.size(); ++j) { |
|
|
|
ASSERT_TRUE((valuations[i].getBooleanValue("x") != valuations[j].getBooleanValue("x")) || (valuations[i].getBooleanValue("y") != valuations[j].getBooleanValue("y"))); |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
TEST(MathSatSmtSolver, UnsatAssumptions) { |
|
|
|
storm::solver::MathSatSmtSolver s; |
|
|
|
storm::solver::SmtSolver::CheckResult result = storm::solver::SmtSolver::CheckResult::UNKNOWN; |
|
|
|
|
|
|
|
storm::expressions::Expression a = storm::expressions::Expression::createIntegerVariable("a"); |
|
|
|
storm::expressions::Expression b = storm::expressions::Expression::createIntegerVariable("b"); |
|
|
|
storm::expressions::Expression c = storm::expressions::Expression::createIntegerVariable("c"); |
|
|
|
storm::expressions::Expression exprFormula = a >= storm::expressions::Expression::createIntegerLiteral(0) |
|
|
|
&& a < storm::expressions::Expression::createIntegerLiteral(5) |
|
|
|
&& b > storm::expressions::Expression::createIntegerLiteral(7) |
|
|
|
&& c == (a + b - storm::expressions::Expression::createIntegerLiteral(1)) |
|
|
|
&& b + a > c; |
|
|
|
storm::expressions::Expression f2 = storm::expressions::Expression::createBooleanVariable("f2"); |
|
|
|
storm::expressions::Expression exprFormula2 = f2.implies(c > a + b + storm::expressions::Expression::createIntegerLiteral(1)); |
|
|
|
|
|
|
|
(s.assertExpression(exprFormula)); |
|
|
|
(s.assertExpression(exprFormula2)); |
|
|
|
(result = s.checkWithAssumptions({ f2 })); |
|
|
|
ASSERT_TRUE(result == storm::solver::SmtSolver::CheckResult::UNSAT); |
|
|
|
std::vector<storm::expressions::Expression> unsatCore = s.getUnsatAssumptions(); |
|
|
|
ASSERT_EQ(unsatCore.size(), 1); |
|
|
|
ASSERT_TRUE(unsatCore[0].isVariable()); |
|
|
|
ASSERT_STREQ("f2", unsatCore[0].getIdentifier().c_str()); |
|
|
|
} |
|
|
|
|
|
|
|
#endif
|