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Adding dummy flop in 'pdr' when the network is comb.

This commit is contained in:
Alan Mishchenko 2018-11-13 07:54:57 -08:00
parent 9a59b2c2ef
commit 2ddc57d876
1 changed files with 13 additions and 11 deletions
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24
src/base/abci/abc.c
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@ -27780,7 +27780,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern int Abc_NtkDarPdr( Abc_Ntk_t * pNtk, Pdr_Par_t * pPars );
Pdr_Par_t Pars, * pPars = &Pars;
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc), * pNtkUsed, * pNtkFlop = NULL;
int c;
Pdr_ManSetDefaultParams( pPars );
Extra_UtilGetoptReset();
@ -27963,25 +27963,27 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
Abc_Print( -2, "There is no current network.\n");
return 0;
}
if ( Abc_NtkLatchNum(pNtk) == 0 )
{
Abc_Print( 0, "The current network is combinational.\n");
return 0;
}
if ( !Abc_NtkIsStrash(pNtk) )
{
Abc_Print( -2, "The current network is not an AIG (run \"strash\").\n");
return 0;
}
if ( Abc_NtkLatchNum(pNtk) == 0 )
{
pNtkFlop = Abc_NtkDup( pNtk );
Abc_NtkAddLatch( pNtkFlop, Abc_AigConst1(pNtkFlop), ABC_INIT_ONE );
}
// run the procedure
pPars->fUseBridge = pAbc->fBridgeMode;
pAbc->Status = Abc_NtkDarPdr( pNtk, pPars );
pAbc->nFrames = pNtk->vSeqModelVec ? -1 : pPars->iFrame;
pNtkUsed = pNtkFlop ? pNtkFlop : pNtk;
pAbc->Status = Abc_NtkDarPdr( pNtkUsed, pPars );
pAbc->nFrames = pNtkUsed->vSeqModelVec ? -1 : pPars->iFrame;
Abc_FrameReplacePoStatuses( pAbc, &pPars->vOutMap );
if ( pNtk->vSeqModelVec )
Abc_FrameReplaceCexVec( pAbc, &pNtk->vSeqModelVec );
if ( pNtkUsed->vSeqModelVec )
Abc_FrameReplaceCexVec( pAbc, &pNtkUsed->vSeqModelVec );
else
Abc_FrameReplaceCex( pAbc, &pNtk->pSeqModel );
Abc_FrameReplaceCex( pAbc, &pNtkUsed->pSeqModel );
if ( pNtkFlop ) Abc_NtkDelete( pNtkFlop );
return 0;
usage: