diff options
| -rw-r--r-- | src/aig/gia/giaIso.c | 2 | ||||
| -rw-r--r-- | src/base/abci/abc.c | 5 |
2 files changed, 7 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 ); diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index 0eabe4c7..c8090460 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -27966,6 +27966,11 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv ) return 1; } pAig = Gia_ManIsoReduce( pAbc->pGia, &vPosEquivs, fVerbose ); + if ( pAig == NULL ) + { + Abc_Print( -1, "Abc_CommandAbc9Iso(): Transformation has failed.\n" ); + return 1; + } // update the internal storage of PO equivalences Abc_FrameReplacePoEquivs( pAbc, &vPosEquivs ); // update the AIG |