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Add invariant to the solver results

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This commit is contained in:
Leo Alt
2021-10-26 11:30:30 +02:00
parent fa48abf4f1
commit 9a87680d21
5 changed files with 13 additions and 12 deletions
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libsmtutil/Z3CHCInterface.cpp
+5 -5
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@@ -77,7 +77,7 @@ void Z3CHCInterface::addRule(Expression const& _expr, string const& _name)
}
}
pair<CheckResult, CHCSolverInterface::CexGraph> Z3CHCInterface::query(Expression const& _expr)
tuple<CheckResult, Expression, CHCSolverInterface::CexGraph> Z3CHCInterface::query(Expression const& _expr)
{
CheckResult result;
try
@@ -93,15 +93,15 @@ pair<CheckResult, CHCSolverInterface::CexGraph> Z3CHCInterface::query(Expression
if (m_version >= tuple(4, 8, 8, 0))
{
auto proof = m_solver.get_answer();
return {result, cexGraph(proof)};
return {result, Expression(true), cexGraph(proof)};
}
break;
}
case z3::check_result::unsat:
{
result = CheckResult::UNSATISFIABLE;
// TODO retrieve invariants.
break;
auto invariants = m_z3Interface->fromZ3Expr(m_solver.get_answer());
return {result, move(invariants), {}};
}
case z3::check_result::unknown:
{
@@ -125,7 +125,7 @@ pair<CheckResult, CHCSolverInterface::CexGraph> Z3CHCInterface::query(Expression
result = CheckResult::ERROR;
}
return {result, {}};
return {result, Expression(true), {}};
}
void Z3CHCInterface::setSpacerOptions(bool _preProcessing)