From e651e227886452e088fd8c4b87f8cf48d189f7fb Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Thu, 5 Sep 2013 12:57:55 -0700
Subject: Adding check to &sim3 for the case when the AIG is combinational.

---
 src/base/abci/abc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/base')

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 931c2cfa..4c986d9c 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -26137,8 +26137,12 @@ int Abc_CommandAbc9Sim3( Abc_Frame_t * pAbc, int argc, char ** argv )
         Abc_Print( -1, "Abc_CommandAbc9Sim3(): There is no AIG.\n" );
         return 1;
     }
+    if ( Gia_ManRegNum(pAbc->pGia) == 0 )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9Sim3(): This command works only for sequential AIGs.\n" );
+        return 0;
+    }
     pAbc->Status = Ssw_RarSimulateGia( pAbc->pGia, pPars );
-//    pAbc->nFrames = pAbc->pGia->pCexSeq->iFrame;
     Abc_FrameReplaceCex( pAbc, &pAbc->pGia->pCexSeq );
     return 0;
 
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