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-rw-r--r--src/aig/dch/dchChoice.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/dch/dchChoice.c b/src/aig/dch/dchChoice.c
index fd517fb9..1772f8aa 100644
--- a/src/aig/dch/dchChoice.c
+++ b/src/aig/dch/dchChoice.c
@@ -463,6 +463,7 @@ Aig_Man_t * Dch_DeriveChoiceAigInt( Aig_Man_t * pAig )
Aig_ManForEachPo( pAig, pObj, i )
Aig_ObjCreatePo( pChoices, Aig_ObjChild0CopyRepr(pChoices, pObj) );
Dch_DeriveChoiceCountEquivs( pChoices );
+ Aig_ManSetRegNum( pChoices, Aig_ManRegNum(pAig) );
return pChoices;
}