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/**CFile****************************************************************
FileName [fraSec.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [New FRAIG package.]
Synopsis [Performs SEC based on seq sweeping.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 30, 2007.]
Revision [$Id: fraSec.c,v 1.00 2007/06/30 00:00:00 alanmi Exp $]
***********************************************************************/
#include "fra.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Fra_FraigSec( Aig_Man_t * p, int nFramesFix, int fVerbose, int fVeryVerbose )
{
Aig_Man_t * pNew;
int nFrames, RetValue, nIter, clk, clkTotal = clock();
int fLatchCorr = 0;
if ( nFramesFix )
{
nFrames = nFramesFix;
// perform seq sweeping for one frame number
pNew = Fra_FraigInduction( p, 0, nFrames, 0, 0, 0, fLatchCorr, fVeryVerbose, &nIter );
}
else
{
// perform seq sweeping while increasing the number of frames
for ( nFrames = 1; ; nFrames++ )
{
clk = clock();
pNew = Fra_FraigInduction( p, 0, nFrames, 0, 0, 0, fLatchCorr, fVeryVerbose, &nIter );
RetValue = Fra_FraigMiterStatus( pNew );
if ( fVerbose )
{
printf( "FRAMES %3d : Iters = %3d. ", nFrames, nIter );
if ( RetValue == 1 )
printf( "UNSAT " );
else
printf( "UNDECIDED " );
PRT( "Time", clock() - clk );
}
if ( RetValue != -1 )
break;
Aig_ManStop( pNew );
}
}
// get the miter status
RetValue = Fra_FraigMiterStatus( pNew );
Aig_ManStop( pNew );
// report the miter
if ( RetValue == 1 )
printf( "Networks are equivalent after seq sweeping with K=%d frames (%d iters). ", nFrames, nIter );
else if ( RetValue == 0 )
printf( "Networks are NOT EQUIVALENT. " );
else
printf( "Networks are UNDECIDED after seq sweeping with K=%d frames (%d iters). ", nFrames, nIter );
PRT( "Time", clock() - clkTotal );
return RetValue;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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