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authorAlan Mishchenko <alanmi@berkeley.edu>2019-10-02 20:43:18 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2019-10-02 20:43:18 -0700
commit623b5e82513d076a19f864c01930ad1838498894 (patch)
treecc0a24c9e927aaa7cb9462bb732529a468673a40 /src/base/abci
parentcdabd42a26b28f19b883682c26df32c53ab31164 (diff)
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Several corner-case bug fixes in scorr with constraints.
Diffstat (limited to 'src/base/abci')
-rw-r--r--src/base/abci/abc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 69d6db89..d31a1fc1 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -21211,10 +21211,18 @@ int Abc_CommandSeqSweep2( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( pPars->fConstrs )
{
+ if ( Abc_NtkConstrNum(pNtk) == Abc_NtkPoNum(pNtk) )
+ {
+ Abc_Print( 0, "Command cannot be applied because the network has only constraint outputs (no primary outputs).\n" );
+ return 0;
+ }
if ( Abc_NtkConstrNum(pNtk) > 0 )
Abc_Print( 0, "Performing scorr with %d constraints.\n", Abc_NtkConstrNum(pNtk) );
else
+ {
Abc_Print( 0, "Performing constraint-based scorr without constraints.\n" );
+ pPars->fConstrs = 0;
+ }
}
if ( pPars->fEquivDump && pPars->fEquivDump2 )
{