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-rw-r--r--src/base/abci/abcPrint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/base/abci/abcPrint.c b/src/base/abci/abcPrint.c
index 708b8946..dbfc99b8 100644
--- a/src/base/abci/abcPrint.c
+++ b/src/base/abci/abcPrint.c
@@ -175,7 +175,7 @@ float Abc_NtkMfsTotalSwitching( Abc_Ntk_t * pNtk )
// strash the network
pNtkStr = Abc_NtkStrash( pNtk, 0, 1, 0 );
Abc_NtkForEachObj( pNtk, pObjAbc, i )
- if ( Abc_ObjRegular((Abc_Obj_t *)pObjAbc->pTemp)->Type == ABC_FUNC_NONE || (!Abc_ObjIsCi(pObjAbc) && !Abc_ObjIsNode(pObjAbc)) )
+ if ( pObjAbc->pTemp && Abc_ObjRegular((Abc_Obj_t *)pObjAbc->pTemp)->Type == ABC_FUNC_NONE || (!Abc_ObjIsCi(pObjAbc) && !Abc_ObjIsNode(pObjAbc)) )
pObjAbc->pTemp = NULL;
// map network into an AIG
pAig = Abc_NtkToDar( pNtkStr, 0, (int)(Abc_NtkLatchNum(pNtk) > 0) );