1 files changed, 2 insertions, 0 deletions
diff --git a/Source/Provers/SMTLib/ProverInterface.cs b/Source/Provers/SMTLib/ProverInterface.cs
index f2628130..be98eb5b 100644
--- a/Source/Provers/SMTLib/ProverInterface.cs
+++ b/Source/Provers/SMTLib/ProverInterface.cs
@@ -560,6 +560,7 @@ namespace Microsoft.Boogie.SMTLib
             currentLogFile.Write(common.ToString());
         }
 
+        SendThisVC("(fixedpoint-push)");
         foreach (var node in rpfp.nodes)
         {
             DeclCollector.RegisterRelation((node.Name as VCExprBoogieFunctionOp).Func);
@@ -649,6 +650,7 @@ namespace Microsoft.Boogie.SMTLib
             }
 #endif
         }
+        SendThisVC("(fixedpoint-pop)");
         return result;
     }