From a55cddeda6c06954a92348ecaed2324de4b62493 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 4 Nov 2017 20:23:22 -0700
Subject: Bug fix in old lcorr with constraints.

---
 src/proof/ssw/sswCore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/proof')

diff --git a/src/proof/ssw/sswCore.c b/src/proof/ssw/sswCore.c
index f944eddc..5ef6e71e 100644
--- a/src/proof/ssw/sswCore.c
+++ b/src/proof/ssw/sswCore.c
@@ -247,7 +247,7 @@ Aig_Man_t * Ssw_SignalCorrespondenceRefine( Ssw_Man_t * p )
         Abc_Print( 1, "Before BMC: " );
         Ssw_ClassesPrint( p->ppClasses, 0 );
     }
-    if ( !p->pPars->fLatchCorr )
+    if ( !p->pPars->fLatchCorr || p->pPars->nFramesK > 1 )
     {
         p->pMSat = Ssw_SatStart( 0 );
         if ( p->pPars->fConstrs )
-- 
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