Index: clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h
===================================================================
--- clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h
+++ clang/include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h
@@ -147,7 +147,7 @@
       Solver->addConstraint(NotExp);
 
       Optional<bool> isNotSat = Solver->check();
-      if (!isSat.hasValue() || isNotSat.getValue())
+      if (!isNotSat.hasValue() || isNotSat.getValue())
         return nullptr;
 
       // This is the only solution, store it