summaryrefslogtreecommitdiffstats
path: root/src/proof/abs/absRpm.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/proof/abs/absRpm.c')
-rw-r--r--src/proof/abs/absRpm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/proof/abs/absRpm.c b/src/proof/abs/absRpm.c
index ca922ad6..edb60083 100644
--- a/src/proof/abs/absRpm.c
+++ b/src/proof/abs/absRpm.c
@@ -666,6 +666,11 @@ void Abs_RpmPerformMark( Gia_Man_t * p, int nCutMax, int fVerbose, int fVeryVerb
assert( nSize0 > 0 && nSize0 <= nCutMax );
// check if truth table has const cofs
pTruth = Gia_ObjComputeTruthTableCut( p, pObj, vSupp );
+ if ( pTruth == NULL )
+ {
+ Abs_GiaObjRef_rec( p, pObj );
+ continue;
+ }
fHasConst = !Abs_GiaCheckTruth( pTruth, Vec_IntSize(vSupp), nSize0 );
if ( fVeryVerbose )
{