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-rw-r--r--src/proof/ssw/sswUnique.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/proof/ssw/sswUnique.c b/src/proof/ssw/sswUnique.c
index b5f6a853..8e989531 100644
--- a/src/proof/ssw/sswUnique.c
+++ b/src/proof/ssw/sswUnique.c
@@ -105,7 +105,7 @@ int Ssw_ManUniqueOne( Ssw_Man_t * p, Aig_Obj_t * pRepr, Aig_Obj_t * pObj, int fV
k = 0;
Vec_PtrForEachEntry( Aig_Obj_t *, p->vCommon, pTemp, i )
{
- assert( Aig_ObjIsPi(pTemp) );
+ assert( Aig_ObjIsCi(pTemp) );
if ( !Saig_ObjIsLo(p->pAig, pTemp) )
continue;
assert( Aig_ObjPioNum(pTemp) > 0 );