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-rw-r--r--libsolidity/formal/Z3Interface.cpp2
1 files changed, 1 insertions, 1 deletions
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)