diff --git a/lib/Analysis/SimpleConstraintManager.cpp b/lib/Analysis/SimpleConstraintManager.cpp
index c72f39c..82cc0bb 100644
--- a/lib/Analysis/SimpleConstraintManager.cpp
+++ b/lib/Analysis/SimpleConstraintManager.cpp
@@ -20,6 +20,10 @@
 
 SimpleConstraintManager::~SimpleConstraintManager() {}
 
+bool SimpleConstraintManager::canReasonAbout(SVal X) const {
+  return true;
+}
+  
 const GRState*
 SimpleConstraintManager::Assume(const GRState* St, SVal Cond, bool Assumption,
                                 bool& isFeasible) {