Disabled special handling of 2-input LUTs.

src/base/abci/abcDar.c

@@ -858,7 +858,7 @@ Abc_Ntk_t * Abc_NtkFromMappedGia( Gia_Man_t * p, int fFindEnables, int fUseBuffs
             Gia_LutForEachFanin( p, i, iFan, k )
                 Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ManObj(p, iFan))) );
             pObjNew->pData = Abc_ObjHopFromGia( (Hop_Man_t *)pNtkNew->pManFunc, p, i, vReflect );
-            pObjNew->fPersist = Gia_ObjLutIsMux(p, i);
+            pObjNew->fPersist = Gia_ObjLutIsMux(p, i) && Gia_ObjLutSize(p, i) == 3;
             pObj->Value = Abc_ObjId( pObjNew );
         }
         Vec_PtrFree( vReflect );