From 90a6c38329c5fcad23d6640109d7f2f452255216 Mon Sep 17 00:00:00 2001
From: Mathias Soeken <mathias.soeken@epfl.ch>
Date: Sat, 30 Jul 2016 14:39:11 +0200
Subject: Check whether exact network can be found.

---
 src/base/abci/abc.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'src/base/abci')

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 703fd63d..6138013e 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -7362,15 +7362,21 @@ int Abc_CommandExact( Abc_Frame_t * pAbc, int argc, char ** argv )
     if ( fMakeAIG )
     {
         pGiaRes = Gia_ManFindExact( pTruth, nVars, nFunc, nMaxDepth, NULL, fVerbose );
-        assert( pGiaRes != NULL );
-        Abc_FrameUpdateGia( pAbc, pGiaRes );
+        if ( pGiaRes )
+            Abc_FrameUpdateGia( pAbc, pGiaRes );
+        else
+            Abc_Print( 0, "Could not find AIG within given resource constraints.\n" );
     }
     else
     {
         pNtkRes = Abc_NtkFindExact( pTruth, nVars, nFunc, nMaxDepth, NULL, fVerbose );
-        assert( pNtkRes != NULL );
-        Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
-        Abc_FrameClearVerifStatus( pAbc );
+        if ( pNtkRes )
+        {
+            Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
+            Abc_FrameClearVerifStatus( pAbc );
+        }
+        else
+            Abc_Print( 0, "Could not find network within given resource constraints.\n" );
     }
     return 0;
 
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