diff options
Diffstat (limited to 'src/base/abci/abc.c')
-rw-r--r-- | src/base/abci/abc.c | 5 |
1 files changed, 5 insertions, 0 deletions
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 |