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-rw-r--r--src/proof/pdr/pdrUtil.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/proof/pdr/pdrUtil.c b/src/proof/pdr/pdrUtil.c
index 97261a7f..9a2cffb2 100644
--- a/src/proof/pdr/pdrUtil.c
+++ b/src/proof/pdr/pdrUtil.c
@@ -613,7 +613,7 @@ int Pdr_NtkFindSatAssign_rec( Aig_Man_t * pAig, Aig_Obj_t * pNode, int Value, Pd
return ((int)pNode->fMarkA == Value);
Aig_ObjSetTravIdCurrent(pAig, pNode);
pNode->fMarkA = Value;
- if ( Aig_ObjIsPi(pNode) )
+ if ( Aig_ObjIsCi(pNode) )
{
// if ( vSuppLits )
// Vec_IntPush( vSuppLits, Abc_Var2Lit( Aig_ObjPioNum(pNode), !Value ) );