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/**CFile****************************************************************
FileName [sswMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Inductive prover with constraints.]
Synopsis [Calls to the SAT solver.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - September 1, 2008.]
Revision [$Id: sswMan.c,v 1.00 2008/09/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include "sswInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ssw_Man_t * Ssw_ManCreate( Aig_Man_t * pAig, Ssw_Pars_t * pPars )
{
Ssw_Man_t * p;
// prepare the sequential AIG
assert( Saig_ManRegNum(pAig) > 0 );
Aig_ManFanoutStart( pAig );
Aig_ManSetCioIds( pAig );
// create interpolation manager
p = ABC_ALLOC( Ssw_Man_t, 1 );
memset( p, 0, sizeof(Ssw_Man_t) );
p->pPars = pPars;
p->pAig = pAig;
p->nFrames = pPars->nFramesK + 1;
p->pNodeToFrames = ABC_CALLOC( Aig_Obj_t *, Aig_ManObjNumMax(p->pAig) * p->nFrames );
p->vCommon = Vec_PtrAlloc( 100 );
p->iOutputLit = -1;
// allocate storage for sim pattern
p->nPatWords = Abc_BitWordNum( Saig_ManPiNum(pAig) * p->nFrames + Saig_ManRegNum(pAig) );
p->pPatWords = ABC_CALLOC( unsigned, p->nPatWords );
// other
p->vNewLos = Vec_PtrAlloc( 100 );
p->vNewPos = Vec_IntAlloc( 100 );
p->vResimConsts = Vec_PtrAlloc( 100 );
p->vResimClasses = Vec_PtrAlloc( 100 );
// p->pPars->fVerbose = 1;
return p;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ssw_ManCountEquivs( Ssw_Man_t * p )
{
Aig_Obj_t * pObj;
int i, nEquivs = 0;
Aig_ManForEachObj( p->pAig, pObj, i )
nEquivs += ( Aig_ObjRepr(p->pAig, pObj) != NULL );
return nEquivs;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManPrintStats( Ssw_Man_t * p )
{
double nMemory = 1.0*Aig_ManObjNumMax(p->pAig)*p->nFrames*(2*sizeof(int)+2*sizeof(void*))/(1<<20);
Abc_Print( 1, "Parameters: F = %d. AddF = %d. C-lim = %d. Constr = %d. MaxLev = %d. Mem = %0.2f MB.\n",
p->pPars->nFramesK, p->pPars->nFramesAddSim, p->pPars->nBTLimit, Saig_ManConstrNum(p->pAig), p->pPars->nMaxLevs, nMemory );
Abc_Print( 1, "AIG : PI = %d. PO = %d. Latch = %d. Node = %d. Ave SAT vars = %d.\n",
Saig_ManPiNum(p->pAig), Saig_ManPoNum(p->pAig), Saig_ManRegNum(p->pAig), Aig_ManNodeNum(p->pAig),
0/(p->pPars->nIters+1) );
Abc_Print( 1, "SAT calls : Proof = %d. Cex = %d. Fail = %d. Lits proved = %d.\n",
p->nSatProof, p->nSatCallsSat, p->nSatFailsReal, Ssw_ManCountEquivs(p) );
Abc_Print( 1, "SAT solver: Vars max = %d. Calls max = %d. Recycles = %d. Sim rounds = %d.\n",
p->nVarsMax, p->nCallsMax, p->nRecyclesTotal, p->nSimRounds );
Abc_Print( 1, "NBeg = %d. NEnd = %d. (Gain = %6.2f %%). RBeg = %d. REnd = %d. (Gain = %6.2f %%).\n",
p->nNodesBeg, p->nNodesEnd, 100.0*(p->nNodesBeg-p->nNodesEnd)/(p->nNodesBeg?p->nNodesBeg:1),
p->nRegsBeg, p->nRegsEnd, 100.0*(p->nRegsBeg-p->nRegsEnd)/(p->nRegsBeg?p->nRegsBeg:1) );
p->timeOther = p->timeTotal-p->timeBmc-p->timeReduce-p->timeMarkCones-p->timeSimSat-p->timeSat;
ABC_PRTP( "BMC ", p->timeBmc, p->timeTotal );
ABC_PRTP( "Spec reduce", p->timeReduce, p->timeTotal );
ABC_PRTP( "Mark cones ", p->timeMarkCones, p->timeTotal );
ABC_PRTP( "Sim SAT ", p->timeSimSat, p->timeTotal );
ABC_PRTP( "SAT solving", p->timeSat, p->timeTotal );
ABC_PRTP( " unsat ", p->timeSatUnsat, p->timeTotal );
ABC_PRTP( " sat ", p->timeSatSat, p->timeTotal );
ABC_PRTP( " undecided", p->timeSatUndec, p->timeTotal );
ABC_PRTP( "Other ", p->timeOther, p->timeTotal );
ABC_PRTP( "TOTAL ", p->timeTotal, p->timeTotal );
// report the reductions
if ( p->pAig->nConstrs )
{
Abc_Print( 1, "Statistics reflecting the use of constraints:\n" );
Abc_Print( 1, "Total cones = %6d. Constraint cones = %6d. (%6.2f %%)\n",
p->nConesTotal, p->nConesConstr, 100.0*p->nConesConstr/p->nConesTotal );
Abc_Print( 1, "Total equivs = %6d. Removed equivs = %6d. (%6.2f %%)\n",
p->nEquivsTotal, p->nEquivsConstr, 100.0*p->nEquivsConstr/p->nEquivsTotal );
Abc_Print( 1, "NBeg = %d. NEnd = %d. (Gain = %6.2f %%). RBeg = %d. REnd = %d. (Gain = %6.2f %%).\n",
p->nNodesBegC, p->nNodesEndC, 100.0*(p->nNodesBegC-p->nNodesEndC)/(p->nNodesBegC?p->nNodesBegC:1),
p->nRegsBegC, p->nRegsEndC, 100.0*(p->nRegsBegC-p->nRegsEndC)/(p->nRegsBegC?p->nRegsBegC:1) );
}
}
/**Function*************************************************************
Synopsis [Frees the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManCleanup( Ssw_Man_t * p )
{
// Aig_ManCleanMarkAB( p->pAig );
assert( p->pMSat == NULL );
if ( p->pFrames )
{
Aig_ManCleanMarkAB( p->pFrames );
Aig_ManStop( p->pFrames );
p->pFrames = NULL;
memset( p->pNodeToFrames, 0, sizeof(Aig_Obj_t *) * Aig_ManObjNumMax(p->pAig) * p->nFrames );
}
if ( p->vSimInfo )
{
Vec_PtrFree( p->vSimInfo );
p->vSimInfo = NULL;
}
p->nConstrTotal = 0;
p->nConstrReduced = 0;
}
/**Function*************************************************************
Synopsis [Frees the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManStop( Ssw_Man_t * p )
{
ABC_FREE( p->pVisited );
if ( p->pPars->fVerbose )//&& p->pPars->nStepsMax == -1 )
Ssw_ManPrintStats( p );
if ( p->ppClasses )
Ssw_ClassesStop( p->ppClasses );
if ( p->pSml )
Ssw_SmlStop( p->pSml );
if ( p->vDiffPairs )
Vec_IntFree( p->vDiffPairs );
if ( p->vInits )
Vec_IntFree( p->vInits );
Vec_PtrFree( p->vResimConsts );
Vec_PtrFree( p->vResimClasses );
Vec_PtrFree( p->vNewLos );
Vec_IntFree( p->vNewPos );
Vec_PtrFree( p->vCommon );
ABC_FREE( p->pNodeToFrames );
ABC_FREE( p->pPatWords );
ABC_FREE( p );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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