From: trevor_hansen <trevor_hansen@e59a4935-1847-0410-ae03-e826735625c1>
Date: Wed, 14 Apr 2010 14:20:49 +0000 (+0000)
Subject: bugfix. r671 re-enabled checking counter-examples. However it checks the "query"... 
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=fc41d9973b51dde1d82808c092729b97c54b9519;p=francis%2Fstp.git

bugfix. r671 re-enabled checking counter-examples. However it checks the "query" which is sometimes (always ?) left undefined by the smtlib parser.



git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@675 e59a4935-1847-0410-ae03-e826735625c1
---

diff --git a/src/absrefine_counterexample/CounterExample.cpp b/src/absrefine_counterexample/CounterExample.cpp
index fe58bf4..00bb674 100644
--- a/src/absrefine_counterexample/CounterExample.cpp
+++ b/src/absrefine_counterexample/CounterExample.cpp
@@ -680,7 +680,8 @@ namespace BEEV
                    "NOT OK", *it);
     }
 
-    if (ASTTrue == ComputeFormulaUsingModel(bm->GetQuery()))
+    // The smtlib ones don't have a query defined.
+    if ((bm->GetQuery() != ASTUndefined) && ASTTrue == ComputeFormulaUsingModel(bm->GetQuery()))
       FatalError("CheckCounterExample:counterexample bogus:"
                  "query evaluates to TRUE under counterexample: "\
                  "NOT OK", bm->GetQuery());