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abc/src/aig/ssw/sswInt.h

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/**CFile****************************************************************
FileName [sswInt.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Inductive prover with constraints.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - September 1, 2008.]
Revision [$Id: sswInt.h,v 1.00 2008/09/01 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __SSW_INT_H__
#define __SSW_INT_H__
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include "saig.h"
#include "satSolver.h"
#include "ssw.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Ssw_Man_t_ Ssw_Man_t; // signal correspondence manager
typedef struct Ssw_Cla_t_ Ssw_Cla_t; // equivalence classe manager
typedef struct Ssw_Sml_t_ Ssw_Sml_t; // sequential simulation manager
struct Ssw_Man_t_
{
// parameters
Ssw_Pars_t * pPars; // parameters
int nFrames; // for quick lookup
// AIGs used in the package
Aig_Man_t * pAig; // user-given AIG
Aig_Man_t * pFrames; // final AIG
Aig_Obj_t ** pNodeToFrames; // mapping of AIG nodes into FRAIG nodes
// equivalence classes
Ssw_Cla_t * ppClasses; // equivalence classes of nodes
int fRefined; // is set to 1 when refinement happens
int nRefUse; // the number of equivalences used
int nRefSkip; // the number of equivalences skipped
// SAT solving
sat_solver * pSat; // recyclable SAT solver
int nSatVars; // the counter of SAT variables
Vec_Int_t * vSatVars; // mapping of each node into its SAT var
int nSatVarsTotal; // the total number of SAT vars created
Vec_Ptr_t * vFanins; // fanins of the CNF node
// SAT solving (latch corr only)
Vec_Ptr_t * vUsedNodes; // the nodes with SAT variables
Vec_Ptr_t * vUsedPis; // the PIs with SAT variables
Vec_Ptr_t * vSimInfo; // simulation information for the framed PIs
int nPatterns; // the number of patterns saved
int nSimRounds; // the number of simulation rounds performed
int nCallsCount; // the number of calls in this round
int nCallsDelta; // the number of calls to skip
int nCallsSat; // the number of SAT calls in this round
int nCallsUnsat; // the number of UNSAT calls in this round
int nRecycleCalls; // the number of calls since last recycling
int nRecycles; // the number of time SAT solver was recycled
int nConeMax; // the maximum cone size
// sequential simulator
Ssw_Sml_t * pSml;
// counter example storage
int nPatWords; // the number of words in the counter example
unsigned * pPatWords; // the counter example
// constraints
int nConstrTotal; // the number of total constraints
int nConstrReduced; // the number of reduced constraints
int nStrangers; // the number of strange situations
// SAT calls statistics
int nSatCalls; // the number of SAT calls
int nSatProof; // the number of proofs
int nSatFailsReal; // the number of timeouts
int nSatFailsTotal; // the number of timeouts
int nSatCallsUnsat; // the number of unsat SAT calls
int nSatCallsSat; // the number of sat SAT calls
// node/register/lit statistics
int nLitsBeg;
int nLitsEnd;
int nNodesBeg;
int nNodesEnd;
int nRegsBeg;
int nRegsEnd;
// runtime stats
int timeBmc; // bounded model checking
int timeReduce; // speculative reduction
int timeMarkCones; // marking the cones not to be refined
int timeSimSat; // simulation of the counter-examples
int timeSat; // solving SAT
int timeSatSat; // sat
int timeSatUnsat; // unsat
int timeSatUndec; // undecided
int timeOther; // other runtime
int timeTotal; // total runtime
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
static inline int Ssw_ObjSatNum( Ssw_Man_t * p, Aig_Obj_t * pObj ) { return Vec_IntEntry( p->vSatVars, pObj->Id ); }
static inline void Ssw_ObjSetSatNum( Ssw_Man_t * p, Aig_Obj_t * pObj, int Num ) { Vec_IntWriteEntryFill( p->vSatVars, pObj->Id, Num ); }
static inline int Ssw_ObjIsConst1Cand( Aig_Man_t * pAig, Aig_Obj_t * pObj )
{
return Aig_ObjRepr(pAig, pObj) == Aig_ManConst1(pAig);
}
static inline void Ssw_ObjSetConst1Cand( Aig_Man_t * pAig, Aig_Obj_t * pObj )
{
assert( !Ssw_ObjIsConst1Cand( pAig, pObj ) );
Aig_ObjSetRepr( pAig, pObj, Aig_ManConst1(pAig) );
}
static inline Aig_Obj_t * Ssw_ObjFrame( Ssw_Man_t * p, Aig_Obj_t * pObj, int i ) { return p->pNodeToFrames[p->nFrames*pObj->Id + i]; }
static inline void Ssw_ObjSetFrame( Ssw_Man_t * p, Aig_Obj_t * pObj, int i, Aig_Obj_t * pNode ) { p->pNodeToFrames[p->nFrames*pObj->Id + i] = pNode; }
static inline Aig_Obj_t * Ssw_ObjChild0Fra( Ssw_Man_t * p, Aig_Obj_t * pObj, int i ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin0(pObj)? Aig_NotCond(Ssw_ObjFrame(p, Aig_ObjFanin0(pObj), i), Aig_ObjFaninC0(pObj)) : NULL; }
static inline Aig_Obj_t * Ssw_ObjChild1Fra( Ssw_Man_t * p, Aig_Obj_t * pObj, int i ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin1(pObj)? Aig_NotCond(Ssw_ObjFrame(p, Aig_ObjFanin1(pObj), i), Aig_ObjFaninC1(pObj)) : NULL; }
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== sswAig.c ===================================================*/
extern Aig_Man_t * Ssw_FramesWithClasses( Ssw_Man_t * p );
extern Aig_Man_t * Ssw_SpeculativeReduction( Ssw_Man_t * p );
/*=== sswBmc.c ===================================================*/
extern int Ssw_FilterUsingBmc( Ssw_Man_t * pMan, int fCheckTargets, int nConfMax, int fVerbose );
/*=== sswClass.c =================================================*/
extern Ssw_Cla_t * Ssw_ClassesStart( Aig_Man_t * pAig );
extern void Ssw_ClassesSetData( Ssw_Cla_t * p, void * pManData,
unsigned (*pFuncNodeHash)(void *,Aig_Obj_t *),
int (*pFuncNodeIsConst)(void *,Aig_Obj_t *),
int (*pFuncNodesAreEqual)(void *,Aig_Obj_t *, Aig_Obj_t *) );
extern void Ssw_ClassesStop( Ssw_Cla_t * p );
extern Aig_Man_t * Ssw_ClassesReadAig( Ssw_Cla_t * p );
extern Vec_Ptr_t * Ssw_ClassesGetRefined( Ssw_Cla_t * p );
extern void Ssw_ClassesClearRefined( Ssw_Cla_t * p );
extern int Ssw_ClassesCand1Num( Ssw_Cla_t * p );
extern int Ssw_ClassesClassNum( Ssw_Cla_t * p );
extern int Ssw_ClassesLitNum( Ssw_Cla_t * p );
extern Aig_Obj_t ** Ssw_ClassesReadClass( Ssw_Cla_t * p, Aig_Obj_t * pRepr, int * pnSize );
extern void Ssw_ClassesCollectClass( Ssw_Cla_t * p, Aig_Obj_t * pRepr, Vec_Ptr_t * vClass );
extern void Ssw_ClassesCheck( Ssw_Cla_t * p );
extern void Ssw_ClassesPrint( Ssw_Cla_t * p, int fVeryVerbose );
extern void Ssw_ClassesRemoveNode( Ssw_Cla_t * p, Aig_Obj_t * pObj );
extern Ssw_Cla_t * Ssw_ClassesPrepare( Aig_Man_t * pAig, int fLatchCorr, int nMaxLevs, int fVerbose );
extern Ssw_Cla_t * Ssw_ClassesPrepareSimple( Aig_Man_t * pAig, int fLatchCorr, int nMaxLevs );
extern Ssw_Cla_t * Ssw_ClassesPrepareTargets( Aig_Man_t * pAig );
extern Ssw_Cla_t * Ssw_ClassesPreparePairs( Aig_Man_t * pAig, Vec_Int_t ** pvClasses );
extern int Ssw_ClassesRefine( Ssw_Cla_t * p, int fRecursive );
extern int Ssw_ClassesRefineOneClass( Ssw_Cla_t * p, Aig_Obj_t * pRepr, int fRecursive );
extern int Ssw_ClassesRefineConst1Group( Ssw_Cla_t * p, Vec_Ptr_t * vRoots, int fRecursive );
extern int Ssw_ClassesRefineConst1( Ssw_Cla_t * p, int fRecursive );
/*=== sswCnf.c ===================================================*/
extern void Ssw_CnfNodeAddToSolver( Ssw_Man_t * p, Aig_Obj_t * pObj );
/*=== sswCore.c ===================================================*/
extern Aig_Man_t * Ssw_SignalCorrespondenceRefine( Ssw_Man_t * p );
/*=== sswLcorr.c ==========================================================*/
extern int Ssw_ManSweepLatch( Ssw_Man_t * p );
/*=== sswMan.c ===================================================*/
extern Ssw_Man_t * Ssw_ManCreate( Aig_Man_t * pAig, Ssw_Pars_t * pPars );
extern void Ssw_ManCleanup( Ssw_Man_t * p );
extern void Ssw_ManStop( Ssw_Man_t * p );
extern void Ssw_ManStartSolver( Ssw_Man_t * p );
/*=== sswSat.c ===================================================*/
extern int Ssw_NodesAreEquiv( Ssw_Man_t * p, Aig_Obj_t * pOld, Aig_Obj_t * pNew );
extern int Ssw_NodesAreConstrained( Ssw_Man_t * p, Aig_Obj_t * pOld, Aig_Obj_t * pNew );
/*=== sswSim.c ===================================================*/
extern unsigned Ssw_SmlObjHashWord( Ssw_Sml_t * p, Aig_Obj_t * pObj );
extern int Ssw_SmlObjIsConstWord( Ssw_Sml_t * p, Aig_Obj_t * pObj );
extern int Ssw_SmlObjsAreEqualWord( Ssw_Sml_t * p, Aig_Obj_t * pObj0, Aig_Obj_t * pObj1 );
extern int Ssw_SmlObjIsConstBit( void * p, Aig_Obj_t * pObj );
extern int Ssw_SmlObjsAreEqualBit( void * p, Aig_Obj_t * pObj0, Aig_Obj_t * pObj1 );
extern Ssw_Sml_t * Ssw_SmlStart( Aig_Man_t * pAig, int nPref, int nFrames, int nWordsFrame );
extern void Ssw_SmlClean( Ssw_Sml_t * p );
extern void Ssw_SmlStop( Ssw_Sml_t * p );
extern void Ssw_SmlObjAssignConst( Ssw_Sml_t * p, Aig_Obj_t * pObj, int fConst1, int iFrame );
extern void Ssw_SmlObjSetWord( Ssw_Sml_t * p, Aig_Obj_t * pObj, unsigned Word, int iWord, int iFrame );
extern void Ssw_SmlAssignDist1Plus( Ssw_Sml_t * p, unsigned * pPat );
extern void Ssw_SmlSimulateOne( Ssw_Sml_t * p );
extern void Ssw_SmlSimulateOneFrame( Ssw_Sml_t * p );
extern Ssw_Sml_t * Ssw_SmlSimulateSeq( Aig_Man_t * pAig, int nPref, int nFrames, int nWords );
/*=== sswSimSat.c ===================================================*/
extern void Ssw_ManResimulateBit( Ssw_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pRepr );
extern void Ssw_ManResimulateWord( Ssw_Man_t * p, Aig_Obj_t * pCand, Aig_Obj_t * pRepr, int f );
/*=== sswSweep.c ===================================================*/
extern int Ssw_ManSweepNode( Ssw_Man_t * p, Aig_Obj_t * pObj, int f, int fBmc );
extern int Ssw_ManSweepBmc( Ssw_Man_t * p );
extern int Ssw_ManSweep( Ssw_Man_t * p );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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