From: trevor_hansen <trevor_hansen@e59a4935-1847-0410-ae03-e826735625c1>
Date: Thu, 7 Apr 2011 13:38:52 +0000 (+0000)
Subject: Hack. The ITE context simplification blows out ff.stp, i.e. it takes > 5 minutes... 
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=1f7b67c04ca0e8ac6dcc56333041f5c89d22638f;p=francis%2Fstp.git

Hack. The ITE context simplification blows out ff.stp, i.e. it takes > 5 minutes. This limits ITE context simplifications to small contexts.

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@1256 e59a4935-1847-0410-ae03-e826735625c1
---

diff --git a/src/simplifier/UseITEContext.h b/src/simplifier/UseITEContext.h
index 47d3836..9c19b14 100644
--- a/src/simplifier/UseITEContext.h
+++ b/src/simplifier/UseITEContext.h
@@ -63,9 +63,13 @@ namespace BEEV
       if (n.isAtom())
         return n;
 
+      // Hacks to stop it blowing out..
       {
           if (visited[n]++ > 10)
             return n;
+
+          if (context.size() > 20)
+            return n;
       }
 
       ASTVec new_children;