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-rw-r--r--src/aig/saig/saigIso.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/aig/saig/saigIso.c b/src/aig/saig/saigIso.c
index c3d1af9d..1cc11496 100644
--- a/src/aig/saig/saigIso.c
+++ b/src/aig/saig/saigIso.c
@@ -564,7 +564,7 @@ Aig_Man_t * Saig_ManIsoReduce( Aig_Man_t * pAig, Vec_Ptr_t ** pvPosEquivs, int f
pPart = Iso_ManFilterPos( pAig, pvPosEquivs, fVerbose );
printf( "Reduced %d outputs to %d outputs. ", Saig_ManPoNum(pAig), Saig_ManPoNum(pPart) );
Abc_PrintTime( 1, "Time", clock() - clk );
- if ( fVerbose && *pvPosEquivs )
+ if ( fVerbose && *pvPosEquivs && Saig_ManPoNum(pAig) != Vec_PtrSize(*pvPosEquivs) )
{
printf( "Nontrivial classes:\n" );
Vec_VecPrintInt( (Vec_Vec_t *)*pvPosEquivs, 1 );