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-rw-r--r--src/aig/gia/giaTruth.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/aig/gia/giaTruth.c b/src/aig/gia/giaTruth.c
index ab5f569e..86f17594 100644
--- a/src/aig/gia/giaTruth.c
+++ b/src/aig/gia/giaTruth.c
@@ -433,6 +433,8 @@ void Gia_ObjCollectInternalCut( Gia_Man_t * p, int iRoot, Vec_Int_t * vLeaves )
assert( Gia_ObjIsAnd(Gia_ManObj(p, iRoot)) );
Vec_IntForEachEntry( vLeaves, iObj, i )
{
+ if ( Gia_ObjHasNumId(p, iObj) ) // if cuts have repeated variables, skip
+ continue;
assert( !Gia_ObjHasNumId(p, iObj) );
Gia_ObjSetNumId( p, iObj, -i );
}