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-rw-r--r--libsolidity/formal/SolverInterface.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libsolidity/formal/SolverInterface.h b/libsolidity/formal/SolverInterface.h
index fd1abd61..cc8214de 100644
--- a/libsolidity/formal/SolverInterface.h
+++ b/libsolidity/formal/SolverInterface.h
@@ -284,6 +284,9 @@ public:
virtual std::pair<CheckResult, std::vector<std::string>>
check(std::vector<Expression> const& _expressionsToEvaluate) = 0;
+ /// @returns a list of queries that the system was not able to respond to.
+ virtual std::vector<std::string> unhandledQueries() { return {}; }
+
protected:
// SMT query timeout in milliseconds.
static int const queryTimeout = 10000;