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Diffstat (limited to 'src/abc8/fra/fra.h')
| -rw-r--r-- | src/abc8/fra/fra.h | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/src/abc8/fra/fra.h b/src/abc8/fra/fra.h deleted file mode 100644 index c024a736..00000000 --- a/src/abc8/fra/fra.h +++ /dev/null @@ -1,324 +0,0 @@ -/**CFile**************************************************************** - - FileName [fra.h] - - SystemName [ABC: Logic synthesis and verification system.] - - PackageName [[New FRAIG package.] - - Synopsis [External declarations.] - - Author [Alan Mishchenko] - - Affiliation [UC Berkeley] - - Date [Ver. 1.0. Started - June 30, 2007.] - - Revision [$Id: fra.h,v 1.00 2007/06/30 00:00:00 alanmi Exp $] - -***********************************************************************/ - -#ifndef __FRA_H__ -#define __FRA_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -//////////////////////////////////////////////////////////////////////// -/// INCLUDES /// -//////////////////////////////////////////////////////////////////////// - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <time.h> - -#include "vec2.h" -#include "aig.h" -#include "dar.h" -#include "satSolver.h" -//#include "bar.h" - -//////////////////////////////////////////////////////////////////////// -/// PARAMETERS /// -//////////////////////////////////////////////////////////////////////// - -//////////////////////////////////////////////////////////////////////// -/// BASIC TYPES /// -//////////////////////////////////////////////////////////////////////// - -typedef struct Fra_Par_t_ Fra_Par_t; -typedef struct Fra_Man_t_ Fra_Man_t; -typedef struct Fra_Cla_t_ Fra_Cla_t; -typedef struct Fra_Sml_t_ Fra_Sml_t; -typedef struct Fra_Cex_t_ Fra_Cex_t; -typedef struct Fra_Bmc_t_ Fra_Bmc_t; - -// FRAIG parameters -struct Fra_Par_t_ -{ - int nSimWords; // the number of words in the simulation info - double dSimSatur; // the ratio of refined classes when saturation is reached - int fPatScores; // enables simulation pattern scoring - int MaxScore; // max score after which resimulation is used - double dActConeRatio; // the ratio of cone to be bumped - double dActConeBumpMax; // the largest bump in activity - int fChoicing; // enables choicing - int fSpeculate; // use speculative reduction - int fProve; // prove the miter outputs - int fVerbose; // verbose output - int fDoSparse; // skip sparse functions - int fConeBias; // bias variables in the cone (good for unsat runs) - int nBTLimitNode; // conflict limit at a node - int nBTLimitMiter; // conflict limit at an output - int nFramesP; // the number of timeframes to in the prefix - int nFramesK; // the number of timeframes to unroll - int nMaxImps; // the maximum number of implications to consider - int nMaxLevs; // the maximum number of levels to consider - int fRewrite; // use rewriting for constraint reduction - int fLatchCorr; // computes latch correspondence only - int fUseImps; // use implications - int fWriteImps; // record implications - int fDontShowBar; // does not show progressbar during fraiging -}; - -// FRAIG equivalence classes -struct Fra_Cla_t_ -{ - Aig_Man_t * pAig; // the original AIG manager - Aig_Obj_t ** pMemRepr; // pointers to representatives of each node - Vec_Ptr_t * vClasses; // equivalence classes - Vec_Ptr_t * vClasses1; // equivalence class of Const1 node - Vec_Ptr_t * vClassesTemp; // temporary storage for new classes - Aig_Obj_t ** pMemClasses; // memory allocated for equivalence classes - Aig_Obj_t ** pMemClassesFree; // memory allocated for equivalence classes to be used - Vec_Ptr_t * vClassOld; // old equivalence class after splitting - Vec_Ptr_t * vClassNew; // new equivalence class(es) after splitting - int nPairs; // the number of pairs of nodes - int fRefinement; // set to 1 when refinement has happened - Vec_Int_t * vImps; // implications - // procedures used for class refinement - int (*pFuncNodeHash) (Aig_Obj_t *, int); // returns has key of the node - int (*pFuncNodeIsConst) (Aig_Obj_t *); // returns 1 if the node is a constant - int (*pFuncNodesAreEqual)(Aig_Obj_t *, Aig_Obj_t *); // returns 1 if nodes are equal up to a complement -}; - -// simulation manager -struct Fra_Sml_t_ -{ - Aig_Man_t * pAig; // the original AIG manager - int nPref; // the number of times frames in the prefix - int nFrames; // the number of times frames - int nWordsFrame; // the number of words in each time frame - int nWordsTotal; // the total number of words at a node - int nWordsPref; // the number of word in the prefix - int fNonConstOut; // have seen a non-const-0 output during simulation - int nSimRounds; // statistics - int timeSim; // statistics - unsigned pData[0]; // simulation data for the nodes -}; - -// simulation manager -struct Fra_Cex_t_ -{ - int iPo; // the zero-based number of PO, for which verification failed - int iFrame; // the zero-based number of the time-frame, for which verificaiton failed - int nRegs; // the number of registers in the miter - int nPis; // the number of primary inputs in the miter - int nBits; // the number of words of bit data used - unsigned pData[0]; // the cex bit data (the number of bits: nRegs + (iFrame+1) * nPis) -}; - -// FRAIG manager -struct Fra_Man_t_ -{ - // high-level data - Fra_Par_t * pPars; // parameters governing fraiging - // AIG managers - Aig_Man_t * pManAig; // the starting AIG manager - Aig_Man_t * pManFraig; // the final AIG manager - // mapping AIG into FRAIG - int nFramesAll; // the number of timeframes used - Aig_Obj_t ** pMemFraig; // memory allocated for points to the fraig nodes - int nSizeAlloc; // allocated size of the arrays for timeframe nodes - // equivalence classes - Fra_Cla_t * pCla; // representation of (candidate) equivalent nodes - // simulation info - Fra_Sml_t * pSml; // simulation manager - // bounded model checking manager - Fra_Bmc_t * pBmc; - // counter example storage - int nPatWords; // the number of words in the counter example - unsigned * pPatWords; // the counter example - Vec_Int_t * vCex; - // satisfiability solving - sat_solver * pSat; // SAT solver - int nSatVars; // the number of variables currently used - Vec_Ptr_t * vPiVars; // the PIs of the cone used - sint64 nBTLimitGlobal; // resource limit - sint64 nInsLimitGlobal; // resource limit - Vec_Ptr_t ** pMemFanins; // the arrays of fanins for some FRAIG nodes - int * pMemSatNums; // the array of SAT numbers for some FRAIG nodes - int nMemAlloc; // allocated size of the arrays for FRAIG varnums and fanins - Vec_Ptr_t * vTimeouts; // the nodes, for which equivalence checking timed out - // statistics - int nSimRounds; - int nNodesMiter; - int nLitsBeg; - int nLitsEnd; - int nNodesBeg; - int nNodesEnd; - int nRegsBeg; - int nRegsEnd; - int nSatCalls; - int nSatCallsSat; - int nSatCallsUnsat; - int nSatProof; - int nSatFails; - int nSatFailsReal; - int nSpeculs; - int nChoices; - int nChoicesFake; - int nSatCallsRecent; - int nSatCallsSkipped; - // runtime - int timeSim; - int timeTrav; - int timeRwr; - int timeSat; - int timeSatUnsat; - int timeSatSat; - int timeSatFail; - int timeRef; - int timeTotal; - int time1; - int time2; -}; - -//////////////////////////////////////////////////////////////////////// -/// MACRO DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - -static inline unsigned * Fra_ObjSim( Fra_Sml_t * p, int Id ) { return p->pData + p->nWordsTotal * Id; } -static inline unsigned Fra_ObjRandomSim() { return (rand() << 24) ^ (rand() << 12) ^ rand(); } - -static inline Aig_Obj_t * Fra_ObjFraig( Aig_Obj_t * pObj, int i ) { return ((Fra_Man_t *)pObj->pData)->pMemFraig[((Fra_Man_t *)pObj->pData)->nFramesAll*pObj->Id + i]; } -static inline void Fra_ObjSetFraig( Aig_Obj_t * pObj, int i, Aig_Obj_t * pNode ) { ((Fra_Man_t *)pObj->pData)->pMemFraig[((Fra_Man_t *)pObj->pData)->nFramesAll*pObj->Id + i] = pNode; } - -static inline Vec_Ptr_t * Fra_ObjFaninVec( Aig_Obj_t * pObj ) { return ((Fra_Man_t *)pObj->pData)->pMemFanins[pObj->Id]; } -static inline void Fra_ObjSetFaninVec( Aig_Obj_t * pObj, Vec_Ptr_t * vFanins ) { ((Fra_Man_t *)pObj->pData)->pMemFanins[pObj->Id] = vFanins; } - -static inline int Fra_ObjSatNum( Aig_Obj_t * pObj ) { return ((Fra_Man_t *)pObj->pData)->pMemSatNums[pObj->Id]; } -static inline void Fra_ObjSetSatNum( Aig_Obj_t * pObj, int Num ) { ((Fra_Man_t *)pObj->pData)->pMemSatNums[pObj->Id] = Num; } - -static inline Aig_Obj_t * Fra_ClassObjRepr( Aig_Obj_t * pObj ) { return ((Fra_Man_t *)pObj->pData)->pCla->pMemRepr[pObj->Id]; } -static inline void Fra_ClassObjSetRepr( Aig_Obj_t * pObj, Aig_Obj_t * pNode ) { ((Fra_Man_t *)pObj->pData)->pCla->pMemRepr[pObj->Id] = pNode; } - -static inline Aig_Obj_t * Fra_ObjChild0Fra( Aig_Obj_t * pObj, int i ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin0(pObj)? Aig_NotCond(Fra_ObjFraig(Aig_ObjFanin0(pObj),i), Aig_ObjFaninC0(pObj)) : NULL; } -static inline Aig_Obj_t * Fra_ObjChild1Fra( Aig_Obj_t * pObj, int i ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin1(pObj)? Aig_NotCond(Fra_ObjFraig(Aig_ObjFanin1(pObj),i), Aig_ObjFaninC1(pObj)) : NULL; } - -static inline int Fra_ImpLeft( int Imp ) { return Imp & 0xFFFF; } -static inline int Fra_ImpRight( int Imp ) { return Imp >> 16; } -static inline int Fra_ImpCreate( int Left, int Right ) { return (Right << 16) | Left; } - -//////////////////////////////////////////////////////////////////////// -/// ITERATORS /// -//////////////////////////////////////////////////////////////////////// - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -/*=== fraCec.c ========================================================*/ -extern int Fra_FraigSat( Aig_Man_t * pMan, sint64 nConfLimit, sint64 nInsLimit, int fVerbose ); -extern int Fra_FraigCec( Aig_Man_t ** ppAig, int fVerbose ); -extern int Fra_FraigCecPartitioned( Aig_Man_t * pMan1, Aig_Man_t * pMan2, int fVerbose ); -/*=== fraClass.c ========================================================*/ -extern int Fra_BmcNodeIsConst( Aig_Obj_t * pObj ); -extern int Fra_BmcNodesAreEqual( Aig_Obj_t * pObj0, Aig_Obj_t * pObj1 ); -extern void Fra_BmcStop( Fra_Bmc_t * p ); -extern void Fra_BmcPerform( Fra_Man_t * p, int nPref, int nDepth ); -extern void Fra_BmcPerformSimple( Aig_Man_t * pAig, int nFrames, int nBTLimit, int fRewrite, int fVerbose ); -/*=== fraClass.c ========================================================*/ -extern Fra_Cla_t * Fra_ClassesStart( Aig_Man_t * pAig ); -extern void Fra_ClassesStop( Fra_Cla_t * p ); -extern void Fra_ClassesCopyReprs( Fra_Cla_t * p, Vec_Ptr_t * vFailed ); -extern void Fra_ClassesPrint( Fra_Cla_t * p, int fVeryVerbose ); -extern void Fra_ClassesPrepare( Fra_Cla_t * p, int fLatchCorr, int nMaxLevs ); -extern int Fra_ClassesRefine( Fra_Cla_t * p ); -extern int Fra_ClassesRefine1( Fra_Cla_t * p, int fRefineNewClass, int * pSkipped ); -extern int Fra_ClassesCountLits( Fra_Cla_t * p ); -extern int Fra_ClassesCountPairs( Fra_Cla_t * p ); -extern void Fra_ClassesTest( Fra_Cla_t * p, int Id1, int Id2 ); -extern void Fra_ClassesLatchCorr( Fra_Man_t * p ); -extern void Fra_ClassesPostprocess( Fra_Cla_t * p ); -extern void Fra_ClassesSelectRepr( Fra_Cla_t * p ); -extern Aig_Man_t * Fra_ClassesDeriveAig( Fra_Cla_t * p, int nFramesK ); -/*=== fraCnf.c ========================================================*/ -extern void Fra_CnfNodeAddToSolver( Fra_Man_t * p, Aig_Obj_t * pOld, Aig_Obj_t * pNew ); -/*=== fraCore.c ========================================================*/ -extern void Fra_FraigSweep( Fra_Man_t * pManAig ); -extern int Fra_FraigMiterStatus( Aig_Man_t * p ); -extern int Fra_FraigMiterAssertedOutput( Aig_Man_t * p ); -extern Aig_Man_t * Fra_FraigPerform( Aig_Man_t * pManAig, Fra_Par_t * pPars ); -extern Aig_Man_t * Fra_FraigChoice( Aig_Man_t * pManAig, int nConfMax ); -extern Aig_Man_t * Fra_FraigEquivence( Aig_Man_t * pManAig, int nConfMax, int fProve ); -/*=== fraImp.c ========================================================*/ -extern Vec_Int_t * Fra_ImpDerive( Fra_Man_t * p, int nImpMaxLimit, int nImpUseLimit, int fLatchCorr ); -extern void Fra_ImpAddToSolver( Fra_Man_t * p, Vec_Int_t * vImps, int * pSatVarNums ); -extern int Fra_ImpCheckForNode( Fra_Man_t * p, Vec_Int_t * vImps, Aig_Obj_t * pNode, int Pos ); -extern int Fra_ImpRefineUsingCex( Fra_Man_t * p, Vec_Int_t * vImps ); -extern void Fra_ImpCompactArray( Vec_Int_t * vImps ); -extern double Fra_ImpComputeStateSpaceRatio( Fra_Man_t * p ); -extern int Fra_ImpVerifyUsingSimulation( Fra_Man_t * p ); -extern void Fra_ImpRecordInManager( Fra_Man_t * p, Aig_Man_t * pNew ); -/*=== fraInd.c ========================================================*/ -extern Aig_Man_t * Fra_FraigInduction( Aig_Man_t * p, int nFramesP, int nFramesK, int nMaxImps, int nMaxLevs, int fRewrite, int fUseImps, int fLatchCorr, int fWriteImps, int fVerbose, int * pnIter ); -/*=== fraLcr.c ========================================================*/ -extern Aig_Man_t * Fra_FraigLatchCorrespondence( Aig_Man_t * pAig, int nFramesP, int nConfMax, int fProve, int fVerbose, int * pnIter ); -/*=== fraMan.c ========================================================*/ -extern void Fra_ParamsDefault( Fra_Par_t * pParams ); -extern void Fra_ParamsDefaultSeq( Fra_Par_t * pParams ); -extern Fra_Man_t * Fra_ManStart( Aig_Man_t * pManAig, Fra_Par_t * pParams ); -extern void Fra_ManClean( Fra_Man_t * p, int nNodesMax ); -extern Aig_Man_t * Fra_ManPrepareComb( Fra_Man_t * p ); -extern void Fra_ManFinalizeComb( Fra_Man_t * p ); -extern void Fra_ManStop( Fra_Man_t * p ); -extern void Fra_ManPrint( Fra_Man_t * p ); -/*=== fraSat.c ========================================================*/ -extern int Fra_NodesAreEquiv( Fra_Man_t * p, Aig_Obj_t * pOld, Aig_Obj_t * pNew ); -extern int Fra_NodesAreImp( Fra_Man_t * p, Aig_Obj_t * pOld, Aig_Obj_t * pNew, int fComplL, int fComplR ); -extern int Fra_NodeIsConst( Fra_Man_t * p, Aig_Obj_t * pNew ); -/*=== fraSec.c ========================================================*/ -extern int Fra_FraigSec( Aig_Man_t * p, int nFrames, int fRetimeFirst, int fVerbose, int fVeryVerbose ); -/*=== fraSim.c ========================================================*/ -extern int Fra_SmlNodeHash( Aig_Obj_t * pObj, int nTableSize ); -extern int Fra_SmlNodeIsConst( Aig_Obj_t * pObj ); -extern int Fra_SmlNodesAreEqual( Aig_Obj_t * pObj0, Aig_Obj_t * pObj1 ); -extern int Fra_SmlNodeNotEquWeight( Fra_Sml_t * p, int Left, int Right ); -extern int Fra_SmlCheckOutput( Fra_Man_t * p ); -extern void Fra_SmlSavePattern( Fra_Man_t * p ); -extern void Fra_SmlSimulate( Fra_Man_t * p, int fInit ); -extern void Fra_SmlResimulate( Fra_Man_t * p ); -extern Fra_Sml_t * Fra_SmlStart( Aig_Man_t * pAig, int nPref, int nFrames, int nWordsFrame ); -extern void Fra_SmlStop( Fra_Sml_t * p ); -extern Fra_Sml_t * Fra_SmlSimulateSeq( Aig_Man_t * pAig, int nPref, int nFrames, int nWords ); -extern Fra_Sml_t * Fra_SmlSimulateComb( Aig_Man_t * pAig, int nWords ); -extern Fra_Cex_t * Fra_SmlGetCounterExample( Fra_Sml_t * p ); -extern Fra_Cex_t * Fra_SmlCopyCounterExample( Aig_Man_t * pAig, Aig_Man_t * pFrames, int * pModel ); -extern void Fra_SmlFreeCounterExample( Fra_Cex_t * p ); -extern int Fra_SmlRunCounterExample( Aig_Man_t * pAig, Fra_Cex_t * p ); -extern Fra_Cex_t * Fra_SmlTrivCounterExample( Aig_Man_t * pAig, int iFrameOut ); - -#ifdef __cplusplus -} -#endif - -#endif - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// - |