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Diffstat (limited to 'src/aig/gia/giaIso.c')
| -rw-r--r-- | src/aig/gia/giaIso.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/aig/gia/giaIso.c b/src/aig/gia/giaIso.c index c5210545..5e47c9b7 100644 --- a/src/aig/gia/giaIso.c +++ b/src/aig/gia/giaIso.c @@ -977,6 +977,8 @@ Gia_Man_t * Gia_ManIsoReduce( Gia_Man_t * p, Vec_Ptr_t ** pvPosEquivs, int fVerb // create preliminary equivalences vEquivs = Gia_IsoDeriveEquivPos( p, 1, fVeryVerbose ); + if ( vEquivs == NULL ) + return NULL; // printf( "Reduced %d outputs to %d outputs. ", Gia_ManPoNum(p), Vec_PtrSize(vEquivs) ); // Abc_PrintTime( 1, "Time", clock() - clk ); |