From 59aea7639f87316ee9efb04a83309b7bb7888a8a Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sun, 7 Feb 2016 12:54:13 -0800
Subject: Bug fix in liberty parser and change suggested by Clifford.

---
 src/map/scl/sclLiberty.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/map/scl/sclLiberty.c')

diff --git a/src/map/scl/sclLiberty.c b/src/map/scl/sclLiberty.c
index 8900b9c4..2b2e77e9 100644
--- a/src/map/scl/sclLiberty.c
+++ b/src/map/scl/sclLiberty.c
@@ -1517,6 +1517,8 @@ Vec_Str_t * Scl_LibertyReadSclStr( Scl_Tree_t * p, int fVerbose, int fVeryVerbos
             Vec_StrPutS_( vOut, pFormula );
             // write truth table
             vTruth = Mio_ParseFormulaTruth( pFormula, (char **)Vec_PtrArray(vNameIns), Vec_PtrSize(vNameIns) );
+            if ( vTruth == NULL )
+                return NULL;
             for ( i = 0; i < Abc_Truth6WordNum(Vec_PtrSize(vNameIns)); i++ )
                 Vec_StrPutW_( vOut, Vec_WrdEntry(vTruth, i) );
             Vec_WrdFree( vTruth );
-- 
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