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-rw-r--r--lib/Solver/STPSolver.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Solver/STPSolver.h b/lib/Solver/STPSolver.h
index 494a30db..fa13d457 100644
--- a/lib/Solver/STPSolver.h
+++ b/lib/Solver/STPSolver.h
@@ -27,7 +27,7 @@ public:
 
   /// getConstraintLog - Return the constraint log for the given state in CVC
   /// format.
-  virtual char *getConstraintLog(const Query &);
+  std::string getConstraintLog(const Query &) override;
 
   /// setCoreSolverTimeout - Set constraint solver timeout delay to the given
   /// value; 0