1 files changed, 6 insertions, 0 deletions
diff --git a/Source/VCExpr/Boogie2VCExpr.cs b/Source/VCExpr/Boogie2VCExpr.cs
index a6b01760..bd8e7c79 100644
--- a/Source/VCExpr/Boogie2VCExpr.cs
+++ b/Source/VCExpr/Boogie2VCExpr.cs
@@ -679,6 +679,12 @@ namespace Microsoft.Boogie.VCExprAST {
       Contract.Assert(false);
       throw new cce.UnreachableException();
     }
+    public override Cmd VisitParCallCmd(ParCallCmd node) {
+      //Contract.Requires(node != null);
+      Contract.Ensures(Contract.Result<Cmd>() != null);
+      Contract.Assert(false);
+      throw new cce.UnreachableException();
+    }
     public override List<Cmd> VisitCmdSeq(List<Cmd> cmdSeq) {
       //Contract.Requires(cmdSeq != null);
       Contract.Ensures(Contract.Result<List<Cmd>>() != null);