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-rw-r--r--src/base/abci/abcNtbdd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/base/abci/abcNtbdd.c b/src/base/abci/abcNtbdd.c
index cbf4bbb8..9de88980 100644
--- a/src/base/abci/abcNtbdd.c
+++ b/src/base/abci/abcNtbdd.c
@@ -237,7 +237,8 @@ Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t *
{
Abc_Obj_t * pNodeNew, * pNodeNew0, * pNodeNew1, * pNodeNewC;
assert( !Cudd_IsComplement(bFunc) );
- if ( bFunc == b1 || bFunc == a1 )
+ assert( b1 == a1 );
+ if ( bFunc == a1 )
return Abc_NtkCreateNodeConst1(pNtkNew);
if ( bFunc == a0 )
return Abc_NtkCreateNodeConst0(pNtkNew);