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Diffstat (limited to 'src/proof/ssw/sswInt.h')
| -rw-r--r-- | src/proof/ssw/sswInt.h | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/proof/ssw/sswInt.h b/src/proof/ssw/sswInt.h new file mode 100644 index 00000000..acd273fd --- /dev/null +++ b/src/proof/ssw/sswInt.h @@ -0,0 +1,302 @@ +/**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 ABC__aig__ssw__sswInt_h +#define ABC__aig__ssw__sswInt_h + + +//////////////////////////////////////////////////////////////////////// +/// INCLUDES /// +//////////////////////////////////////////////////////////////////////// + +#include "src/aig/saig/saig.h" +#include "src/sat/bsat/satSolver.h" +#include "ssw.h" +#include "src/aig/ioa/ioa.h" + +//////////////////////////////////////////////////////////////////////// +/// PARAMETERS /// +//////////////////////////////////////////////////////////////////////// + + + +ABC_NAMESPACE_HEADER_START + + +//////////////////////////////////////////////////////////////////////// +/// BASIC TYPES /// +//////////////////////////////////////////////////////////////////////// + +typedef struct Ssw_Man_t_ Ssw_Man_t; // signal correspondence manager +typedef struct Ssw_Frm_t_ Ssw_Frm_t; // unrolled frames manager +typedef struct Ssw_Sat_t_ Ssw_Sat_t; // SAT solver manager +typedef struct Ssw_Cla_t_ Ssw_Cla_t; // equivalence classe 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 + // SAT solving + Ssw_Sat_t * pMSatBmc; // SAT manager for base case + Ssw_Sat_t * pMSat; // SAT manager for inductive case + // SAT solving (latch corr only) + 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 nRecyclesTotal; // the number of time SAT solver was recycled + int nVarsMax; // the maximum variables in the solver + int nCallsMax; // the maximum number of SAT calls + // uniqueness + Vec_Ptr_t * vCommon; // the set of common variables in the logic cones + int iOutputLit; // the output literal of the uniqueness constraint + Vec_Int_t * vDiffPairs; // is set to 1 if reg pair can be diff + int nUniques; // the number of uniqueness constraints used + int nUniquesAdded; // useful uniqueness constraints + int nUniquesUseful; // useful uniqueness constraints + // dynamic constraint addition + int nSRMiterMaxId; // max ID after which the last frame begins + Vec_Ptr_t * vNewLos; // new time frame LOs of to constrain + Vec_Int_t * vNewPos; // new time frame POs of to add constraints + int * pVisited; // flags to label visited nodes in each frame + int nVisCounter; // the traversal ID + // sequential simulation + Ssw_Sml_t * pSml; // the simulator + int iNodeStart; // the first node considered + int iNodeLast; // the last node considered + Vec_Ptr_t * vResimConsts; // resimulation constants + Vec_Ptr_t * vResimClasses; // resimulation classes + Vec_Int_t * vInits; // the init values of primary inputs under constraints + // 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 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; + // equiv statistis + int nConesTotal; + int nConesConstr; + int nEquivsTotal; + int nEquivsConstr; + int nNodesBegC; + int nNodesEndC; + int nRegsBegC; + int nRegsEndC; + // 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 +}; + +// internal SAT manager +struct Ssw_Sat_t_ +{ + Aig_Man_t * pAig; // the AIG manager + int fPolarFlip; // flips polarity + 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 + Vec_Ptr_t * vFanins; // fanins of the CNF node + Vec_Ptr_t * vUsedPis; // the PIs with SAT variables + int nSolverCalls; // the total number of SAT calls +}; + +// internal frames manager +struct Ssw_Frm_t_ +{ + Aig_Man_t * pAig; // user-given AIG + int nObjs; // offset in terms of AIG nodes + int nFrames; // the number of frames in current unrolling + Aig_Man_t * pFrames; // unrolled AIG + Vec_Ptr_t * vAig2Frm; // mapping of AIG nodes into frame nodes +}; + +//////////////////////////////////////////////////////////////////////// +/// MACRO DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +static inline int Ssw_ObjSatNum( Ssw_Sat_t * p, Aig_Obj_t * pObj ) { return Vec_IntGetEntry( p->vSatVars, pObj->Id ); } +static inline void Ssw_ObjSetSatNum( Ssw_Sat_t * p, Aig_Obj_t * pObj, int Num ) { Vec_IntSetEntry(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; } + +static inline Aig_Obj_t * Ssw_ObjFrame_( Ssw_Frm_t * p, Aig_Obj_t * pObj, int i ) { return (Aig_Obj_t *)Vec_PtrGetEntry( p->vAig2Frm, p->nObjs*i+pObj->Id ); } +static inline void Ssw_ObjSetFrame_( Ssw_Frm_t * p, Aig_Obj_t * pObj, int i, Aig_Obj_t * pNode ) { Vec_PtrSetEntry( p->vAig2Frm, p->nObjs*i+pObj->Id, pNode ); } + +static inline Aig_Obj_t * Ssw_ObjChild0Fra_( Ssw_Frm_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_Frm_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 Ssw_Frm_t * Ssw_FrmStart( Aig_Man_t * pAig ); +extern void Ssw_FrmStop( Ssw_Frm_t * p ); +extern Aig_Man_t * Ssw_FramesWithClasses( Ssw_Man_t * p ); +extern Aig_Man_t * Ssw_SpeculativeReduction( Ssw_Man_t * p ); +/*=== sswBmc.c ===================================================*/ +/*=== 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 nFramesK, int fLatchCorr, int fConstCorr, int fOutputCorr, int nMaxLevs, int fVerbose ); +extern Ssw_Cla_t * Ssw_ClassesPrepareSimple( Aig_Man_t * pAig, int fLatchCorr, int nMaxLevs ); +extern Ssw_Cla_t * Ssw_ClassesPrepareFromReprs( Aig_Man_t * pAig ); +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 Ssw_Cla_t * Ssw_ClassesPreparePairsSimple( Aig_Man_t * pMiter, Vec_Int_t * vPairs ); +extern int Ssw_ClassesRefine( Ssw_Cla_t * p, int fRecursive ); +extern int Ssw_ClassesRefineGroup( Ssw_Cla_t * p, Vec_Ptr_t * vReprs, 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 ); +extern int Ssw_ClassesPrepareRehash( Ssw_Cla_t * p, Vec_Ptr_t * vCands, int fConstCorr ); +/*=== sswCnf.c ===================================================*/ +extern Ssw_Sat_t * Ssw_SatStart( int fPolarFlip ); +extern void Ssw_SatStop( Ssw_Sat_t * p ); +extern void Ssw_CnfNodeAddToSolver( Ssw_Sat_t * p, Aig_Obj_t * pObj ); +extern int Ssw_CnfGetNodeValue( Ssw_Sat_t * p, Aig_Obj_t * pObjFraig ); +/*=== sswConstr.c ===================================================*/ +extern int Ssw_ManSweepBmcConstr( Ssw_Man_t * p ); +extern int Ssw_ManSweepConstr( Ssw_Man_t * p ); +extern void Ssw_ManRefineByConstrSim( Ssw_Man_t * p ); +/*=== sswCore.c ===================================================*/ +extern Aig_Man_t * Ssw_SignalCorrespondenceRefine( Ssw_Man_t * p ); +/*=== sswDyn.c ===================================================*/ +extern void Ssw_ManLoadSolver( Ssw_Man_t * p, Aig_Obj_t * pRepr, Aig_Obj_t * pObj ); +extern int Ssw_ManSweepDyn( 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 ); +/*=== 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 ); +extern int Ssw_NodeIsConstrained( Ssw_Man_t * p, Aig_Obj_t * pPoObj ); +/*=== sswSemi.c ===================================================*/ +extern int Ssw_FilterUsingSemi( Ssw_Man_t * pMan, int fCheckTargets, int nConfMax, int fVerbose ); +/*=== 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 void Ssw_SmlAssignRandomFrame( Ssw_Sml_t * p, Aig_Obj_t * pObj, int iFrame ); +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 void Ssw_SmlSimulateOneDyn_rec( Ssw_Sml_t * p, Aig_Obj_t * pObj, int f, int * pVisited, int nVisCounter ); +extern void Ssw_SmlResimulateSeq( Ssw_Sml_t * p ); +/*=== 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_ManGetSatVarValue( Ssw_Man_t * p, Aig_Obj_t * pObj, int f ); +extern void Ssw_SmlSavePatternAig( Ssw_Man_t * p, int f ); +extern int Ssw_ManSweepNode( Ssw_Man_t * p, Aig_Obj_t * pObj, int f, int fBmc, Vec_Int_t * vPairs ); +extern int Ssw_ManSweepBmc( Ssw_Man_t * p ); +extern int Ssw_ManSweep( Ssw_Man_t * p ); +/*=== sswUnique.c ===================================================*/ +extern void Ssw_UniqueRegisterPairInfo( Ssw_Man_t * p ); +extern int Ssw_ManUniqueOne( Ssw_Man_t * p, Aig_Obj_t * pRepr, Aig_Obj_t * pObj, int fVerbose ); +extern int Ssw_ManUniqueAddConstraint( Ssw_Man_t * p, Vec_Ptr_t * vCommon, int f1, int f2 ); + + + +ABC_NAMESPACE_HEADER_END + + + +#endif + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + |