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-rw-r--r--libsolidity/formal/CVC4Interface.cpp2
-rw-r--r--libsolidity/formal/SMTLib2Interface.cpp2
-rw-r--r--libsolidity/formal/Z3Interface.cpp2
3 files changed, 3 insertions, 3 deletions
diff --git a/libsolidity/formal/CVC4Interface.cpp b/libsolidity/formal/CVC4Interface.cpp
index c6f2771d..0cb70d2f 100644
--- a/libsolidity/formal/CVC4Interface.cpp
+++ b/libsolidity/formal/CVC4Interface.cpp
@@ -109,7 +109,7 @@ pair<CheckResult, vector<string>> CVC4Interface::check(vector<Expression> const&
solAssert(false, "");
}
- if (result != CheckResult::UNSATISFIABLE && !_expressionsToEvaluate.empty())
+ if (result == CheckResult::SATISFIABLE && !_expressionsToEvaluate.empty())
{
for (Expression const& e: _expressionsToEvaluate)
values.push_back(toString(m_solver.getValue(toCVC4Expr(e))));
diff --git a/libsolidity/formal/SMTLib2Interface.cpp b/libsolidity/formal/SMTLib2Interface.cpp
index 0e00665a..00ac523f 100644
--- a/libsolidity/formal/SMTLib2Interface.cpp
+++ b/libsolidity/formal/SMTLib2Interface.cpp
@@ -112,7 +112,7 @@ pair<CheckResult, vector<string>> SMTLib2Interface::check(vector<Expression> con
result = CheckResult::ERROR;
vector<string> values;
- if (result != CheckResult::UNSATISFIABLE && result != CheckResult::ERROR)
+ if (result == CheckResult::SATISFIABLE && result != CheckResult::ERROR)
values = parseValues(find(response.cbegin(), response.cend(), '\n'), response.cend());
return make_pair(result, values);
}
diff --git a/libsolidity/formal/Z3Interface.cpp b/libsolidity/formal/Z3Interface.cpp
index 41943c92..7e0788b3 100644
--- a/libsolidity/formal/Z3Interface.cpp
+++ b/libsolidity/formal/Z3Interface.cpp
@@ -92,7 +92,7 @@ pair<CheckResult, vector<string>> Z3Interface::check(vector<Expression> const& _
solAssert(false, "");
}
- if (result != CheckResult::UNSATISFIABLE && !_expressionsToEvaluate.empty())
+ if (result == CheckResult::SATISFIABLE && !_expressionsToEvaluate.empty())
{
z3::model m = m_solver.get_model();
for (Expression const& e: _expressionsToEvaluate)