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abc/src/base/abci/abcDar.c

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/**CFile****************************************************************
FileName [abcDar.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Network and node package.]
Synopsis [DAG-aware rewriting.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: abcDar.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "base/abc/abc.h"
#include "base/main/main.h"
#include "aig/gia/giaAig.h"
#include "opt/dar/dar.h"
#include "sat/cnf/cnf.h"
#include "proof/fra/fra.h"
#include "proof/fraig/fraig.h"
#include "proof/int/int.h"
#include "proof/dch/dch.h"
#include "proof/ssw/ssw.h"
#include "opt/cgt/cgt.h"
#include "bdd/bbr/bbr.h"
#include "aig/gia/gia.h"
#include "proof/cec/cec.h"
#include "opt/csw/csw.h"
#include "proof/pdr/pdr.h"
#include "sat/bmc/bmc.h"
#include "map/mio/mio.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_ObjCompareById( Abc_Obj_t ** pp1, Abc_Obj_t ** pp2 )
{
return Abc_ObjId(Abc_ObjRegular(*pp1)) - Abc_ObjId(Abc_ObjRegular(*pp2));
}
/**Function*************************************************************
Synopsis [Collects the supergate.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_CollectTopOr_rec( Abc_Obj_t * pObj, Vec_Ptr_t * vSuper )
{
if ( Abc_ObjIsComplement(pObj) || !Abc_ObjIsNode(pObj) )
{
Vec_PtrPush( vSuper, pObj );
return;
}
// go through the branches
Abc_CollectTopOr_rec( Abc_ObjChild0(pObj), vSuper );
Abc_CollectTopOr_rec( Abc_ObjChild1(pObj), vSuper );
}
void Abc_CollectTopOr( Abc_Obj_t * pObj, Vec_Ptr_t * vSuper )
{
Vec_PtrClear( vSuper );
if ( Abc_ObjIsComplement(pObj) )
{
Abc_CollectTopOr_rec( Abc_ObjNot(pObj), vSuper );
Vec_PtrUniqify( vSuper, (int (*)(const void *, const void *))Abc_ObjCompareById );
}
else
Vec_PtrPush( vSuper, Abc_ObjNot(pObj) );
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [The returned map maps new PO IDs into old ones.]
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Abc_NtkToDarBmc( Abc_Ntk_t * pNtk, Vec_Int_t ** pvMap )
{
Aig_Man_t * pMan;
Abc_Obj_t * pObj, * pTemp;
Vec_Ptr_t * vDrivers;
Vec_Ptr_t * vSuper;
int i, k, nDontCares;
// print warning about initial values
nDontCares = 0;
Abc_NtkForEachLatch( pNtk, pObj, i )
if ( Abc_LatchIsInitDc(pObj) )
{
Abc_LatchSetInit0(pObj);
nDontCares++;
}
if ( nDontCares )
{
Abc_Print( 1, "Warning: %d registers in this network have don't-care init values.\n", nDontCares );
Abc_Print( 1, "The don't-care are assumed to be 0. The result may not verify.\n" );
Abc_Print( 1, "Use command \"print_latch\" to see the init values of registers.\n" );
Abc_Print( 1, "Use command \"zero\" to convert or \"init\" to change the values.\n" );
}
// collect the drivers
vSuper = Vec_PtrAlloc( 100 );
vDrivers = Vec_PtrAlloc( 100 );
if ( pvMap )
*pvMap = Vec_IntAlloc( 100 );
Abc_NtkForEachPo( pNtk, pObj, i )
{
if ( pNtk->nConstrs && i >= pNtk->nConstrs )
{
Vec_PtrPush( vDrivers, Abc_ObjNot(Abc_ObjChild0(pObj)) );
if ( pvMap )
Vec_IntPush( *pvMap, i );
continue;
}
Abc_CollectTopOr( Abc_ObjChild0(pObj), vSuper );
Vec_PtrForEachEntry( Abc_Obj_t *, vSuper, pTemp, k )
{
Vec_PtrPush( vDrivers, pTemp );
if ( pvMap )
Vec_IntPush( *pvMap, i );
}
}
Vec_PtrFree( vSuper );
// create network
pMan = Aig_ManStart( Abc_NtkNodeNum(pNtk) + 100 );
pMan->nConstrs = pNtk->nConstrs;
pMan->nBarBufs = pNtk->nBarBufs;
pMan->pName = Extra_UtilStrsav( pNtk->pName );
pMan->pSpec = Extra_UtilStrsav( pNtk->pSpec );
// transfer the pointers to the basic nodes
Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Aig_ManConst1(pMan);
Abc_NtkForEachCi( pNtk, pObj, i )
pObj->pCopy = (Abc_Obj_t *)Aig_ObjCreateCi(pMan);
// create flops
Abc_NtkForEachLatch( pNtk, pObj, i )
Abc_ObjFanout0(pObj)->pCopy = Abc_ObjNotCond( Abc_ObjFanout0(pObj)->pCopy, Abc_LatchIsInit1(pObj) );
// copy internal nodes
Abc_NtkForEachNode( pNtk, pObj, i )
pObj->pCopy = (Abc_Obj_t *)Aig_And( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj), (Aig_Obj_t *)Abc_ObjChild1Copy(pObj) );
// create the POs
Vec_PtrForEachEntry( Abc_Obj_t *, vDrivers, pTemp, k )
Aig_ObjCreateCo( pMan, (Aig_Obj_t *)Abc_ObjNotCond(Abc_ObjRegular(pTemp)->pCopy, !Abc_ObjIsComplement(pTemp)) );
Vec_PtrFree( vDrivers );
// create flops
Abc_NtkForEachLatchInput( pNtk, pObj, i )
Aig_ObjCreateCo( pMan, (Aig_Obj_t *)Abc_ObjNotCond(Abc_ObjChild0Copy(pObj), Abc_LatchIsInit1(Abc_ObjFanout0(pObj))) );
// remove dangling nodes
Aig_ManSetRegNum( pMan, Abc_NtkLatchNum(pNtk) );
Aig_ManCleanup( pMan );
if ( !Aig_ManCheck( pMan ) )
{
Abc_Print( 1, "Abc_NtkToDarBmc: AIG check has failed.\n" );
Aig_ManStop( pMan );
return NULL;
}
return pMan;
}
/**Function*************************************************************
Synopsis [Collects information about what flops have unknown values.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Abc_NtkFindDcLatches( Abc_Ntk_t * pNtk )
{
Vec_Int_t * vUnknown;
Abc_Obj_t * pObj;
int i;
vUnknown = Vec_IntStart( Abc_NtkLatchNum(pNtk) );
Abc_NtkForEachLatch( pNtk, pObj, i )
if ( Abc_LatchIsInitDc(pObj) )
{
Vec_IntWriteEntry( vUnknown, i, 1 );
Abc_LatchSetInit0(pObj);
}
return vUnknown;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [Assumes that registers are ordered after PIs/POs.]
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Abc_NtkToDar( Abc_Ntk_t * pNtk, int fExors, int fRegisters )
{
Vec_Ptr_t * vNodes;
Aig_Man_t * pMan;
Aig_Obj_t * pObjNew;
Abc_Obj_t * pObj;
int i, nNodes, nDontCares;
// make sure the latches follow PIs/POs
if ( fRegisters )
{
assert( Abc_NtkBoxNum(pNtk) == Abc_NtkLatchNum(pNtk) );
Abc_NtkForEachCi( pNtk, pObj, i )
if ( i < Abc_NtkPiNum(pNtk) )
{
assert( Abc_ObjIsPi(pObj) );
if ( !Abc_ObjIsPi(pObj) )
Abc_Print( 1, "Abc_NtkToDar(): Temporary bug: The PI ordering is wrong!\n" );
}
else
assert( Abc_ObjIsBo(pObj) );
Abc_NtkForEachCo( pNtk, pObj, i )
if ( i < Abc_NtkPoNum(pNtk) )
{
assert( Abc_ObjIsPo(pObj) );
if ( !Abc_ObjIsPo(pObj) )
Abc_Print( 1, "Abc_NtkToDar(): Temporary bug: The PO ordering is wrong!\n" );
}
else
assert( Abc_ObjIsBi(pObj) );
// print warning about initial values
nDontCares = 0;
Abc_NtkForEachLatch( pNtk, pObj, i )
if ( Abc_LatchIsInitDc(pObj) )
{
Abc_LatchSetInit0(pObj);
nDontCares++;
}
if ( nDontCares )
{
Abc_Print( 1, "Warning: %d registers in this network have don't-care init values.\n", nDontCares );
Abc_Print( 1, "The don't-care are assumed to be 0. The result may not verify.\n" );
Abc_Print( 1, "Use command \"print_latch\" to see the init values of registers.\n" );
Abc_Print( 1, "Use command \"zero\" to convert or \"init\" to change the values.\n" );
}
}
// create the manager
pMan = Aig_ManStart( Abc_NtkNodeNum(pNtk) + 100 );
pMan->fCatchExor = fExors;
pMan->nConstrs = pNtk->nConstrs;
pMan->nBarBufs = pNtk->nBarBufs;
pMan->pName = Extra_UtilStrsav( pNtk->pName );
pMan->pSpec = Extra_UtilStrsav( pNtk->pSpec );
// transfer the pointers to the basic nodes
Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Aig_ManConst1(pMan);
Abc_NtkForEachCi( pNtk, pObj, i )
{
pObj->pCopy = (Abc_Obj_t *)Aig_ObjCreateCi(pMan);
// initialize logic level of the CIs
((Aig_Obj_t *)pObj->pCopy)->Level = pObj->Level;
}
// complement the 1-values registers
if ( fRegisters ) {
Abc_NtkForEachLatch( pNtk, pObj, i )
if ( Abc_LatchIsInit1(pObj) )
Abc_ObjFanout0(pObj)->pCopy = Abc_ObjNot(Abc_ObjFanout0(pObj)->pCopy);
}
// perform the conversion of the internal nodes (assumes DFS ordering)
// pMan->fAddStrash = 1;
vNodes = Abc_NtkDfs( pNtk, 0 );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
// Abc_NtkForEachNode( pNtk, pObj, i )
{
pObj->pCopy = (Abc_Obj_t *)Aig_And( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj), (Aig_Obj_t *)Abc_ObjChild1Copy(pObj) );
// Abc_Print( 1, "%d->%d ", pObj->Id, ((Aig_Obj_t *)pObj->pCopy)->Id );
}
Vec_PtrFree( vNodes );
pMan->fAddStrash = 0;
// create the POs
Abc_NtkForEachCo( pNtk, pObj, i )
Aig_ObjCreateCo( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj) );
// complement the 1-valued registers
Aig_ManSetRegNum( pMan, Abc_NtkLatchNum(pNtk) );
if ( fRegisters )
Aig_ManForEachLiSeq( pMan, pObjNew, i )
if ( Abc_LatchIsInit1(Abc_ObjFanout0(Abc_NtkCo(pNtk,i))) )
pObjNew->pFanin0 = Aig_Not(pObjNew->pFanin0);
// remove dangling nodes
nNodes = (Abc_NtkGetChoiceNum(pNtk) == 0)? Aig_ManCleanup( pMan ) : 0;
if ( !fExors && nNodes )
Abc_Print( 1, "Abc_NtkToDar(): Unexpected %d dangling nodes when converting to AIG!\n", nNodes );
//Aig_ManDumpVerilog( pMan, "test.v" );
// save the number of registers
if ( fRegisters )
{
Aig_ManSetRegNum( pMan, Abc_NtkLatchNum(pNtk) );
pMan->vFlopNums = Vec_IntStartNatural( pMan->nRegs );
// pMan->vFlopNums = NULL;
// pMan->vOnehots = Abc_NtkConverLatchNamesIntoNumbers( pNtk );
if ( pNtk->vOnehots )
pMan->vOnehots = (Vec_Ptr_t *)Vec_VecDupInt( (Vec_Vec_t *)pNtk->vOnehots );
}
if ( !Aig_ManCheck( pMan ) )
{
Abc_Print( 1, "Abc_NtkToDar: AIG check has failed.\n" );
Aig_ManStop( pMan );
return NULL;
}
return pMan;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [Assumes that registers are ordered after PIs/POs.]
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Abc_NtkToDarChoices( Abc_Ntk_t * pNtk )
{
Aig_Man_t * pMan;
Abc_Obj_t * pObj, * pPrev, * pFanin;
Vec_Ptr_t * vNodes;
int i;
vNodes = Abc_AigDfs( pNtk, 0, 0 );
// create the manager
pMan = Aig_ManStart( Abc_NtkNodeNum(pNtk) + 100 );
pMan->nConstrs = pNtk->nConstrs;
pMan->nBarBufs = pNtk->nBarBufs;
pMan->pName = Extra_UtilStrsav( pNtk->pName );
pMan->pSpec = Extra_UtilStrsav( pNtk->pSpec );
if ( Abc_NtkGetChoiceNum(pNtk) )
{
pMan->pEquivs = ABC_ALLOC( Aig_Obj_t *, Abc_NtkObjNum(pNtk) );
memset( pMan->pEquivs, 0, sizeof(Aig_Obj_t *) * Abc_NtkObjNum(pNtk) );
}
// transfer the pointers to the basic nodes
Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Aig_ManConst1(pMan);
Abc_NtkForEachCi( pNtk, pObj, i )
pObj->pCopy = (Abc_Obj_t *)Aig_ObjCreateCi(pMan);
// perform the conversion of the internal nodes (assumes DFS ordering)
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
{
pObj->pCopy = (Abc_Obj_t *)Aig_And( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj), (Aig_Obj_t *)Abc_ObjChild1Copy(pObj) );
// Abc_Print( 1, "%d->%d ", pObj->Id, ((Aig_Obj_t *)pObj->pCopy)->Id );
if ( Abc_AigNodeIsChoice( pObj ) )
{
for ( pPrev = pObj, pFanin = (Abc_Obj_t *)pObj->pData; pFanin; pPrev = pFanin, pFanin = (Abc_Obj_t *)pFanin->pData )
Aig_ObjSetEquiv( pMan, (Aig_Obj_t *)pPrev->pCopy, (Aig_Obj_t *)pFanin->pCopy );
// Aig_ManCreateChoice( pIfMan, (Aig_Obj_t *)pNode->pCopy );
}
}
Vec_PtrFree( vNodes );
// create the POs
Abc_NtkForEachCo( pNtk, pObj, i )
Aig_ObjCreateCo( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj) );
// complement the 1-valued registers
Aig_ManSetRegNum( pMan, 0 );
if ( !Aig_ManCheck( pMan ) )
{
Abc_Print( 1, "Abc_NtkToDar: AIG check has failed.\n" );
Aig_ManStop( pMan );
return NULL;
}
return pMan;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkFromDar( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
{
Vec_Ptr_t * vNodes;
Abc_Ntk_t * pNtkNew;
Aig_Obj_t * pObj;
int i;
assert( pMan->nAsserts == 0 );
// assert( Aig_ManRegNum(pMan) == Abc_NtkLatchNum(pNtkOld) );
// perform strashing
pNtkNew = Abc_NtkStartFrom( pNtkOld, ABC_NTK_STRASH, ABC_FUNC_AIG );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pNtkOld->nBarBufs;
// transfer the pointers to the basic nodes
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
Aig_ManForEachCi( pMan, pObj, i )
{
pObj->pData = Abc_NtkCi(pNtkNew, i);
// initialize logic level of the CIs
((Abc_Obj_t *)pObj->pData)->Level = pObj->Level;
}
// rebuild the AIG
vNodes = Aig_ManDfs( pMan, 1 );
Vec_PtrForEachEntry( Aig_Obj_t *, vNodes, pObj, i )
if ( Aig_ObjIsBuf(pObj) )
pObj->pData = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
else
pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
Vec_PtrFree( vNodes );
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
{
if ( pMan->nAsserts && i == Aig_ManCoNum(pMan) - pMan->nAsserts )
break;
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), (Abc_Obj_t *)Aig_ObjChild0Copy(pObj) );
}
// if there are assertions, add them
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromDar(): Network check has failed.\n" );
//Abc_NtkPrintCiLevels( pNtkNew );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [This procedure should be called after seq sweeping,
which changes the number of registers.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkFromDarSeqSweep( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
{
Vec_Ptr_t * vNodes;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew, * pLatch;
Aig_Obj_t * pObj, * pObjLo, * pObjLi;
int i, iNodeId, nDigits;
assert( pMan->nAsserts == 0 );
assert( pNtkOld->nBarBufs == 0 );
// assert( Aig_ManRegNum(pMan) != Abc_NtkLatchNum(pNtkOld) );
// perform strashing
pNtkNew = Abc_NtkStartFromNoLatches( pNtkOld, ABC_NTK_STRASH, ABC_FUNC_AIG );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pMan->nBarBufs;
// consider the case of target enlargement
if ( Abc_NtkCiNum(pNtkNew) < Aig_ManCiNum(pMan) - Aig_ManRegNum(pMan) )
{
for ( i = Aig_ManCiNum(pMan) - Aig_ManRegNum(pMan) - Abc_NtkCiNum(pNtkNew); i > 0; i-- )
{
pObjNew = Abc_NtkCreatePi( pNtkNew );
Abc_ObjAssignName( pObjNew, Abc_ObjName(pObjNew), NULL );
}
Abc_NtkOrderCisCos( pNtkNew );
}
assert( Abc_NtkCiNum(pNtkNew) == Aig_ManCiNum(pMan) - Aig_ManRegNum(pMan) );
assert( Abc_NtkCoNum(pNtkNew) == Aig_ManCoNum(pMan) - Aig_ManRegNum(pMan) );
// transfer the pointers to the basic nodes
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
Aig_ManForEachPiSeq( pMan, pObj, i )
pObj->pData = Abc_NtkCi(pNtkNew, i);
// create as many latches as there are registers in the manager
Aig_ManForEachLiLoSeq( pMan, pObjLi, pObjLo, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pObjLi->pData = Abc_NtkCreateBi( pNtkNew );
pObjLo->pData = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, (Abc_Obj_t *)pObjLi->pData );
Abc_ObjAddFanin( (Abc_Obj_t *)pObjLo->pData, pObjNew );
Abc_LatchSetInit0( pObjNew );
}
// rebuild the AIG
vNodes = Aig_ManDfs( pMan, 1 );
Vec_PtrForEachEntry( Aig_Obj_t *, vNodes, pObj, i )
if ( Aig_ObjIsBuf(pObj) )
pObj->pData = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
else
pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
Vec_PtrFree( vNodes );
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
{
// if ( pMan->nAsserts && i == Aig_ManCoNum(pMan) - pMan->nAsserts )
// break;
iNodeId = Nm_ManFindIdByNameTwoTypes( pNtkNew->pManName, Abc_ObjName(Abc_NtkCo(pNtkNew, i)), ABC_OBJ_PI, ABC_OBJ_BO );
if ( iNodeId >= 0 )
pObjNew = Abc_NtkObj( pNtkNew, iNodeId );
else
pObjNew = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), pObjNew );
}
if ( pMan->vFlopNums == NULL )
Abc_NtkAddDummyBoxNames( pNtkNew );
else
{
/*
{
int i, k, iFlop, Counter = 0;
FILE * pFile;
pFile = fopen( "out.txt", "w" );
fAbc_Print( 1, pFile, "The total of %d registers were removed (out of %d):\n",
Abc_NtkLatchNum(pNtkOld)-Vec_IntSize(pMan->vFlopNums), Abc_NtkLatchNum(pNtkOld) );
for ( i = 0; i < Abc_NtkLatchNum(pNtkOld); i++ )
{
Vec_IntForEachEntry( pMan->vFlopNums, iFlop, k )
{
if ( i == iFlop )
break;
}
if ( k == Vec_IntSize(pMan->vFlopNums) )
fAbc_Print( 1, pFile, "%6d (%6d) : %s\n", ++Counter, i, Abc_ObjName( Abc_ObjFanout0(Abc_NtkBox(pNtkOld, i)) ) );
}
fclose( pFile );
//Abc_Print( 1, "\n" );
}
*/
assert( Abc_NtkBoxNum(pNtkOld) == Abc_NtkLatchNum(pNtkOld) );
nDigits = Abc_Base10Log( Abc_NtkLatchNum(pNtkNew) );
Abc_NtkForEachLatch( pNtkNew, pObjNew, i )
{
pLatch = Abc_NtkBox( pNtkOld, Vec_IntEntry( pMan->vFlopNums, i ) );
iNodeId = Nm_ManFindIdByName( pNtkNew->pManName, Abc_ObjName(Abc_ObjFanout0(pLatch)), ABC_OBJ_PO );
if ( iNodeId >= 0 )
{
Abc_ObjAssignName( pObjNew, Abc_ObjNameDummy("l", i, nDigits), NULL );
Abc_ObjAssignName( Abc_ObjFanin0(pObjNew), Abc_ObjNameDummy("li", i, nDigits), NULL );
Abc_ObjAssignName( Abc_ObjFanout0(pObjNew), Abc_ObjNameDummy("lo", i, nDigits), NULL );
//Abc_Print( 1, "happening %s -> %s\n", Abc_ObjName(Abc_ObjFanin0(pObjNew)), Abc_ObjName(Abc_ObjFanout0(pObjNew)) );
continue;
}
Abc_ObjAssignName( pObjNew, Abc_ObjName(pLatch), NULL );
Abc_ObjAssignName( Abc_ObjFanin0(pObjNew), Abc_ObjName(Abc_ObjFanin0(pLatch)), NULL );
Abc_ObjAssignName( Abc_ObjFanout0(pObjNew), Abc_ObjName(Abc_ObjFanout0(pLatch)), NULL );
}
}
// if there are assertions, add them
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromDar(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [This procedure should be called after seq sweeping,
which changes the number of registers.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkFromAigPhase( Aig_Man_t * pMan )
{
Vec_Ptr_t * vNodes;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew;
Aig_Obj_t * pObj, * pObjLo, * pObjLi;
int i;
assert( pMan->nAsserts == 0 );
// perform strashing
pNtkNew = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pMan->nBarBufs;
// duplicate the name and the spec
// pNtkNew->pName = Extra_UtilStrsav(pMan->pName);
// pNtkNew->pSpec = Extra_UtilStrsav(pMan->pSpec);
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
// create PIs
Aig_ManForEachPiSeq( pMan, pObj, i )
{
pObjNew = Abc_NtkCreatePi( pNtkNew );
// Abc_ObjAssignName( pObjNew, Abc_ObjName(pObjNew), NULL );
pObj->pData = pObjNew;
}
// create POs
Aig_ManForEachPoSeq( pMan, pObj, i )
{
pObjNew = Abc_NtkCreatePo( pNtkNew );
// Abc_ObjAssignName( pObjNew, Abc_ObjName(pObjNew), NULL );
pObj->pData = pObjNew;
}
assert( Abc_NtkCiNum(pNtkNew) == Aig_ManCiNum(pMan) - Aig_ManRegNum(pMan) );
assert( Abc_NtkCoNum(pNtkNew) == Aig_ManCoNum(pMan) - Aig_ManRegNum(pMan) );
// create as many latches as there are registers in the manager
Aig_ManForEachLiLoSeq( pMan, pObjLi, pObjLo, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pObjLi->pData = Abc_NtkCreateBi( pNtkNew );
pObjLo->pData = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, (Abc_Obj_t *)pObjLi->pData );
Abc_ObjAddFanin( (Abc_Obj_t *)pObjLo->pData, pObjNew );
Abc_LatchSetInit0( pObjNew );
// Abc_ObjAssignName( (Abc_Obj_t *)pObjLi->pData, Abc_ObjName((Abc_Obj_t *)pObjLi->pData), NULL );
// Abc_ObjAssignName( (Abc_Obj_t *)pObjLo->pData, Abc_ObjName((Abc_Obj_t *)pObjLo->pData), NULL );
}
// rebuild the AIG
vNodes = Aig_ManDfs( pMan, 1 );
Vec_PtrForEachEntry( Aig_Obj_t *, vNodes, pObj, i )
if ( Aig_ObjIsBuf(pObj) )
pObj->pData = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
else
pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
Vec_PtrFree( vNodes );
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
{
pObjNew = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), pObjNew );
}
Abc_NtkAddDummyPiNames( pNtkNew );
Abc_NtkAddDummyPoNames( pNtkNew );
Abc_NtkAddDummyBoxNames( pNtkNew );
// check the resulting AIG
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromAigPhase(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkFromGiaCollapse( Gia_Man_t * pGia )
{
Aig_Man_t * pMan = Gia_ManToAig( pGia, 0 ); int Res;
Abc_Ntk_t * pNtk = Abc_NtkFromAigPhase( pMan ), * pTemp;
//pNtk->pName = Extra_UtilStrsav(pGia->pName);
Aig_ManStop( pMan );
// collapse the network
pNtk = Abc_NtkCollapse( pTemp = pNtk, 10000, 0, 1, 0, 0, 0 );
Abc_NtkDelete( pTemp );
if ( pNtk == NULL )
return 0;
Res = Abc_NtkGetBddNodeNum( pNtk );
Abc_NtkDelete( pNtk );
return Res == 0;
}
/**Function*************************************************************
Synopsis [Creates local function of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Hop_Obj_t * Abc_ObjHopFromGia_rec( Hop_Man_t * pHopMan, Gia_Man_t * p, int Id, Vec_Ptr_t * vCopies )
{
Gia_Obj_t * pObj;
Hop_Obj_t * gFunc, * gFunc0, * gFunc1;
if ( Gia_ObjIsTravIdCurrentId(p, Id) )
return (Hop_Obj_t *)Vec_PtrEntry( vCopies, Id );
Gia_ObjSetTravIdCurrentId(p, Id);
pObj = Gia_ManObj(p, Id);
assert( Gia_ObjIsAnd(pObj) );
// compute the functions of the children
gFunc0 = Abc_ObjHopFromGia_rec( pHopMan, p, Gia_ObjFaninId0(pObj, Id), vCopies );
gFunc1 = Abc_ObjHopFromGia_rec( pHopMan, p, Gia_ObjFaninId1(pObj, Id), vCopies );
// get the function of the cut
gFunc = Hop_And( pHopMan, Hop_NotCond(gFunc0, Gia_ObjFaninC0(pObj)), Hop_NotCond(gFunc1, Gia_ObjFaninC1(pObj)) );
Vec_PtrWriteEntry( vCopies, Id, gFunc );
return gFunc;
}
Hop_Obj_t * Abc_ObjHopFromGia( Hop_Man_t * pHopMan, Gia_Man_t * p, int GiaId, Vec_Ptr_t * vCopies )
{
int k, iFan;
assert( Gia_ObjIsLut(p, GiaId) );
assert( Gia_ObjLutSize(p, GiaId) > 0 );
Gia_ManIncrementTravId( p );
Gia_LutForEachFanin( p, GiaId, iFan, k )
{
Gia_ObjSetTravIdCurrentId(p, iFan);
Vec_PtrWriteEntry( vCopies, iFan, Hop_IthVar(pHopMan, k) );
}
return Abc_ObjHopFromGia_rec( pHopMan, p, GiaId, vCopies );
}
/**Function*************************************************************
Synopsis [Converts the network from the mapped GIA manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFromMappedGia_rec( Abc_Ntk_t * pNtkNew, Gia_Man_t * p, int iObj, int fAddInv )
{
Abc_Obj_t * pObjNew;
Gia_Obj_t * pObj = Gia_ManObj(p, iObj);
if ( Gia_ObjValue(pObj) >= 0 )
pObjNew = Abc_NtkObj( pNtkNew, Gia_ObjValue(pObj) );
else
{
Abc_NtkFromMappedGia_rec( pNtkNew, p, Gia_ObjFaninId0(pObj, iObj), 0 );
Abc_NtkFromMappedGia_rec( pNtkNew, p, Gia_ObjFaninId1(pObj, iObj), 0 );
pObjNew = Abc_NtkCreateNode( pNtkNew );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin0(pObj))) );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin1(pObj))) );
pObjNew->pData = Abc_SopCreateAnd( (Mem_Flex_t *)pNtkNew->pManFunc, 2, NULL );
if ( Gia_ObjFaninC0(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 0 );
if ( Gia_ObjFaninC1(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 1 );
pObj->Value = Abc_ObjId( pObjNew );
}
if ( fAddInv )
pObjNew = Abc_NtkCreateNodeInv(pNtkNew, pObjNew);
return pObjNew;
}
Abc_Ntk_t * Abc_NtkFromMappedGia( Gia_Man_t * p, int fFindEnables, int fUseBuffs )
{
int fVerbose = 0;
int fDuplicate = 0;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew, * pObjNewLi, * pObjNewLo, * pConst0 = NULL;
Gia_Obj_t * pObj, * pObjLi, * pObjLo;
Vec_Ptr_t * vReflect;
int i, k, iFan, nDupGates, nCountMux = 0;
assert( Gia_ManHasMapping(p) || p->pMuxes || fFindEnables );
assert( !fFindEnables || !p->pMuxes );
pNtkNew = Abc_NtkAlloc( ABC_NTK_LOGIC, Gia_ManHasMapping(p) ? ABC_FUNC_AIG : ABC_FUNC_SOP, 1 );
// duplicate the name and the spec
pNtkNew->pName = Extra_UtilStrsav(p->pName);
pNtkNew->pSpec = Extra_UtilStrsav(p->pSpec);
Gia_ManFillValue( p );
// create constant
pConst0 = Abc_NtkCreateNodeConst0( pNtkNew );
Gia_ManConst0(p)->Value = Abc_ObjId(pConst0);
// create PIs
Gia_ManForEachPi( p, pObj, i )
pObj->Value = Abc_ObjId( Abc_NtkCreatePi( pNtkNew ) );
// create POs
Gia_ManForEachPo( p, pObj, i )
pObj->Value = Abc_ObjId( Abc_NtkCreatePo( pNtkNew ) );
// create as many latches as there are registers in the manager
Gia_ManForEachRiRo( p, pObjLi, pObjLo, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pObjNewLi = Abc_NtkCreateBi( pNtkNew );
pObjNewLo = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, pObjNewLi );
Abc_ObjAddFanin( pObjNewLo, pObjNew );
pObjLi->Value = Abc_ObjId( pObjNewLi );
pObjLo->Value = Abc_ObjId( pObjNewLo );
Abc_LatchSetInit0( pObjNew );
}
// rebuild the AIG
if ( fFindEnables )
{
Gia_ManForEachCo( p, pObj, i )
{
pObjNew = NULL;
if ( Gia_ObjIsRi(p, pObj) && Gia_ObjIsMuxType(Gia_ObjFanin0(pObj)) )
{
int iObjRo = Gia_ObjRiToRoId( p, Gia_ObjId(p, pObj) );
int iLitE, iLitT, iCtrl = Gia_ObjRecognizeMuxLits( p, Gia_ObjFanin0(pObj), &iLitT, &iLitE );
iLitE = Abc_LitNotCond( iLitE, Gia_ObjFaninC0(pObj) );
iLitT = Abc_LitNotCond( iLitT, Gia_ObjFaninC0(pObj) );
if ( Abc_Lit2Var(iLitT) == iObjRo )
{
int iTemp = iLitE;
iLitE = iLitT;
iLitT = iTemp;
iCtrl = Abc_LitNot( iCtrl );
}
if ( Abc_Lit2Var(iLitE) == iObjRo )
{
Abc_Obj_t * pObjCtrl = Abc_NtkFromMappedGia_rec( pNtkNew, p, Abc_Lit2Var(iCtrl), Abc_LitIsCompl(iCtrl) );
Abc_Obj_t * pObjNodeT = Abc_NtkFromMappedGia_rec( pNtkNew, p, Abc_Lit2Var(iLitT), Abc_LitIsCompl(iLitT) );
Abc_Obj_t * pObjNodeE = Abc_NtkFromMappedGia_rec( pNtkNew, p, Abc_Lit2Var(iLitE), Abc_LitIsCompl(iLitE) );
pObjNew = Abc_NtkCreateNode( pNtkNew );
Abc_ObjAddFanin( pObjNew, pObjCtrl );
Abc_ObjAddFanin( pObjNew, pObjNodeT );
Abc_ObjAddFanin( pObjNew, pObjNodeE );
pObjNew->pData = Abc_SopCreateMux( (Mem_Flex_t *)pNtkNew->pManFunc );
nCountMux++;
}
}
if ( pObjNew == NULL )
pObjNew = Abc_NtkFromMappedGia_rec( pNtkNew, p, Gia_ObjFaninId0p(p, pObj), Gia_ObjFaninC0(pObj) );
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), pObjNew );
}
}
else if ( p->pMuxes )
{
Gia_ManForEachAnd( p, pObj, i )
{
pObjNew = Abc_NtkCreateNode( pNtkNew );
if ( Gia_ObjIsMuxId(p, i) )
{
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin2(p, pObj))) );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin1(pObj))) );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin0(pObj))) );
pObjNew->pData = Abc_SopCreateMux( (Mem_Flex_t *)pNtkNew->pManFunc );
if ( Gia_ObjFaninC2(p, pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 0 );
if ( Gia_ObjFaninC1(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 1 );
if ( Gia_ObjFaninC0(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 2 );
}
else if ( Gia_ObjIsXor(pObj) )
{
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin0(pObj))) );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin1(pObj))) );
pObjNew->pData = Abc_SopCreateXor( (Mem_Flex_t *)pNtkNew->pManFunc, 2 );
if ( Gia_ObjFaninC0(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 0 );
if ( Gia_ObjFaninC1(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 1 );
}
else
{
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin0(pObj))) );
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ObjFanin1(pObj))) );
pObjNew->pData = Abc_SopCreateAnd( (Mem_Flex_t *)pNtkNew->pManFunc, 2, NULL );
if ( Gia_ObjFaninC0(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 0 );
if ( Gia_ObjFaninC1(pObj) ) Abc_SopComplementVar( (char *)pObjNew->pData, 1 );
}
pObj->Value = Abc_ObjId( pObjNew );
}
}
else
{
vReflect = Vec_PtrStart( Gia_ManObjNum(p) );
Gia_ManForEachLut( p, i )
{
pObj = Gia_ManObj(p, i);
assert( pObj->Value == ~0 );
if ( Gia_ObjLutSize(p, i) == 0 )
{
pObj->Value = Abc_ObjId(pConst0);
continue;
}
pObjNew = Abc_NtkCreateNode( pNtkNew );
Gia_LutForEachFanin( p, i, iFan, k )
Abc_ObjAddFanin( pObjNew, Abc_NtkObj(pNtkNew, Gia_ObjValue(Gia_ManObj(p, iFan))) );
pObjNew->pData = Abc_ObjHopFromGia( (Hop_Man_t *)pNtkNew->pManFunc, p, i, vReflect );
pObjNew->fPersist = Gia_ObjLutIsMux(p, i) && Gia_ObjLutSize(p, i) == 3;
pObj->Value = Abc_ObjId( pObjNew );
}
Vec_PtrFree( vReflect );
}
//if ( fFindEnables )
// printf( "Extracted %d flop enable signals.\n", nCountMux );
// connect the PO nodes
if ( !fFindEnables )
Gia_ManForEachCo( p, pObj, i )
{
pObjNew = Abc_NtkObj( pNtkNew, Gia_ObjValue(Gia_ObjFanin0(pObj)) );
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), Abc_ObjNotCond( pObjNew, Gia_ObjFaninC0(pObj) ) );
}
// create names
Abc_NtkAddDummyPiNames( pNtkNew );
Abc_NtkAddDummyPoNames( pNtkNew );
Abc_NtkAddDummyBoxNames( pNtkNew );
// decouple the PO driver nodes to reduce the number of levels
nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, !fUseBuffs );
if ( fVerbose && nDupGates && !Abc_FrameReadFlag("silentmode") )
{
if ( !fDuplicate )
printf( "Added %d buffers/inverters to decouple the CO drivers.\n", nDupGates );
else
printf( "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
}
// remove const node if it is not used
if ( !Abc_ObjIsNone(pConst0) && Abc_ObjFanoutNum(pConst0) == 0 )
Abc_NtkDeleteObj( pConst0 );
assert( Gia_ManPiNum(p) == Abc_NtkPiNum(pNtkNew) );
assert( Gia_ManPoNum(p) == Abc_NtkPoNum(pNtkNew) );
assert( Gia_ManRegNum(p) == Abc_NtkLatchNum(pNtkNew) );
// check the resulting AIG
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromMappedGia(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the mapped GIA manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline void Abc_NtkFromCellWrite( Vec_Int_t * vCopyLits, int i, int c, int Id )
{
Vec_IntWriteEntry( vCopyLits, Abc_Var2Lit(i, c), Id );
}
static inline Abc_Obj_t * Abc_NtkFromCellRead( Abc_Ntk_t * p, Vec_Int_t * vCopyLits, int i, int c )
{
Abc_Obj_t * pObjNew;
int iObjNew = Vec_IntEntry( vCopyLits, Abc_Var2Lit(i, c) );
if ( iObjNew >= 0 )
return Abc_NtkObj(p, iObjNew);
// opposite phase should be already constructed
assert( 0 );
if ( i == 0 )
pObjNew = c ? Abc_NtkCreateNodeConst1(p) : Abc_NtkCreateNodeConst0(p);
else
{
iObjNew = Vec_IntEntry( vCopyLits, Abc_Var2Lit(i, !c) ); assert( iObjNew >= 0 );
pObjNew = Abc_NtkCreateNodeInv( p, Abc_NtkObj(p, iObjNew) );
}
Abc_NtkFromCellWrite( vCopyLits, i, c, Abc_ObjId(pObjNew) );
return pObjNew;
}
Abc_Ntk_t * Abc_NtkFromCellMappedGia( Gia_Man_t * p, int fUseBuffs )
{
int fFixDrivers = 1;
int fVerbose = 0;
Abc_Ntk_t * pNtkNew;
Vec_Int_t * vCopyLits;
Abc_Obj_t * pObjNew, * pObjNewLi, * pObjNewLo;
Gia_Obj_t * pObj, * pObjLi, * pObjLo;
int i, k, iLit, iFanLit, nCells, fNeedConst[2] = {0};
Mio_Cell2_t * pCells = Mio_CollectRootsNewDefault2( 6, &nCells, 0 );
assert( Gia_ManHasCellMapping(p) );
// start network
pNtkNew = Abc_NtkAlloc( ABC_NTK_LOGIC, ABC_FUNC_MAP, 1 );
pNtkNew->pName = Extra_UtilStrsav(p->pName);
pNtkNew->pSpec = Extra_UtilStrsav(p->pSpec);
assert( pNtkNew->pManFunc == Abc_FrameReadLibGen() );
vCopyLits = Vec_IntStartFull( 2*Gia_ManObjNum(p) );
// create PIs
Gia_ManForEachPi( p, pObj, i )
Abc_NtkFromCellWrite( vCopyLits, Gia_ObjId(p, pObj), 0, Abc_ObjId( Abc_NtkCreatePi( pNtkNew ) ) );
// create POs
Gia_ManForEachPo( p, pObj, i )
Abc_NtkFromCellWrite( vCopyLits, Gia_ObjId(p, pObj), 0, Abc_ObjId( Abc_NtkCreatePo( pNtkNew ) ) );
// create as many latches as there are registers in the manager
Gia_ManForEachRiRo( p, pObjLi, pObjLo, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pObjNewLi = Abc_NtkCreateBi( pNtkNew );
pObjNewLo = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, pObjNewLi );
Abc_ObjAddFanin( pObjNewLo, pObjNew );
// pObjLi->Value = Abc_ObjId( pObjNewLi );
// pObjLo->Value = Abc_ObjId( pObjNewLo );
Abc_NtkFromCellWrite( vCopyLits, Gia_ObjId(p, pObjLi), 0, Abc_ObjId( pObjNewLi ) );
Abc_NtkFromCellWrite( vCopyLits, Gia_ObjId(p, pObjLo), 0, Abc_ObjId( pObjNewLo ) );
Abc_LatchSetInit0( pObjNew );
}
// create constants
Gia_ManForEachCo( p, pObj, i )
if ( Gia_ObjFaninId0p(p, pObj) == 0 )
fNeedConst[Gia_ObjFaninC0(pObj)] = 1;
Gia_ManForEachBuf( p, pObj, i )
if ( Gia_ObjFaninId0p(p, pObj) == 0 )
fNeedConst[Gia_ObjFaninC0(pObj)] = 1;
if ( fNeedConst[0] )
Abc_NtkFromCellWrite( vCopyLits, 0, 0, Abc_ObjId(Abc_NtkCreateNodeConst0(pNtkNew)) );
if ( fNeedConst[1] )
Abc_NtkFromCellWrite( vCopyLits, 0, 1, Abc_ObjId(Abc_NtkCreateNodeConst1(pNtkNew)) );
// rebuild the AIG
Gia_ManForEachCell( p, iLit )
{
int fSkip = 0;
if ( Gia_ObjIsCellBuf(p, iLit) )
{
assert( !Abc_LitIsCompl(iLit) );
// build buffer
pObjNew = Abc_NtkCreateNode( pNtkNew );
iFanLit = Gia_ObjFaninLit0p( p, Gia_ManObj(p, Abc_Lit2Var(iLit)) );
Abc_ObjAddFanin( pObjNew, Abc_NtkFromCellRead(pNtkNew, vCopyLits, Abc_Lit2Var(iFanLit), Abc_LitIsCompl(iFanLit)) );
pObjNew->pData = NULL; // barrier buffer
assert( Abc_ObjIsBarBuf(pObjNew) );
pNtkNew->nBarBufs2++;
}
else if ( Gia_ObjIsCellInv(p, iLit) )
{
int iLitNot = Abc_LitNot(iLit);
if ( !Abc_LitIsCompl(iLit) ) // positive phase
{
// build negative phase
assert( Vec_IntEntry(vCopyLits, iLitNot) == -1 );
assert( Gia_ObjCellId(p, iLitNot) > 0 );
pObjNew = Abc_NtkCreateNode( pNtkNew );
Gia_CellForEachFanin( p, iLitNot, iFanLit, k )
Abc_ObjAddFanin( pObjNew, Abc_NtkFromCellRead(pNtkNew, vCopyLits, Abc_Lit2Var(iFanLit), Abc_LitIsCompl(iFanLit)) );
pObjNew->pData = Mio_LibraryReadGateByName( (Mio_Library_t *)pNtkNew->pManFunc, pCells[Gia_ObjCellId(p, iLitNot)].pName, NULL );
Abc_NtkFromCellWrite( vCopyLits, Abc_Lit2Var(iLitNot), Abc_LitIsCompl(iLitNot), Abc_ObjId(pObjNew) );
fSkip = 1;
}
else // negative phase
{
// positive phase is available
assert( Vec_IntEntry(vCopyLits, iLitNot) != -1 );
}
// build inverter
pObjNew = Abc_NtkCreateNode( pNtkNew );
Abc_ObjAddFanin( pObjNew, Abc_NtkFromCellRead(pNtkNew, vCopyLits, Abc_Lit2Var(iLit), Abc_LitIsCompl(iLitNot)) );
pObjNew->pData = Mio_LibraryReadGateByName( (Mio_Library_t *)pNtkNew->pManFunc, pCells[3].pName, NULL );
}
else
{
assert( Gia_ObjCellId(p, iLit) >= 0 );
pObjNew = Abc_NtkCreateNode( pNtkNew );
Gia_CellForEachFanin( p, iLit, iFanLit, k )
Abc_ObjAddFanin( pObjNew, Abc_NtkFromCellRead(pNtkNew, vCopyLits, Abc_Lit2Var(iFanLit), Abc_LitIsCompl(iFanLit)) );
pObjNew->pData = Mio_LibraryReadGateByName( (Mio_Library_t *)pNtkNew->pManFunc, pCells[Gia_ObjCellId(p, iLit)].pName, NULL );
}
assert( Vec_IntEntry(vCopyLits, iLit) == -1 );
Abc_NtkFromCellWrite( vCopyLits, Abc_Lit2Var(iLit), Abc_LitIsCompl(iLit), Abc_ObjId(pObjNew) );
// skip next
iLit += fSkip;
}
// connect the PO nodes
Gia_ManForEachCo( p, pObj, i )
{
pObjNew = Abc_NtkFromCellRead( pNtkNew, vCopyLits, Gia_ObjFaninId0p(p, pObj), Gia_ObjFaninC0(pObj) );
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), pObjNew );
}
// create names
Abc_NtkAddDummyPiNames( pNtkNew );
Abc_NtkAddDummyPoNames( pNtkNew );
Abc_NtkAddDummyBoxNames( pNtkNew );
// decouple the PO driver nodes to reduce the number of levels
if ( fFixDrivers )
{
int nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, !fUseBuffs );
if ( fVerbose && nDupGates && !Abc_FrameReadFlag("silentmode") )
{
if ( fUseBuffs )
printf( "Added %d buffers/inverters to decouple the CO drivers.\n", nDupGates );
else
printf( "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
}
}
assert( Gia_ManPiNum(p) == Abc_NtkPiNum(pNtkNew) );
assert( Gia_ManPoNum(p) == Abc_NtkPoNum(pNtkNew) );
assert( Gia_ManRegNum(p) == Abc_NtkLatchNum(pNtkNew) );
Vec_IntFree( vCopyLits );
ABC_FREE( pCells );
// check the resulting AIG
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromMappedGia(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description [This procedure should be called after seq sweeping,
which changes the number of registers.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkAfterTrim( Aig_Man_t * pMan, Abc_Ntk_t * pNtkOld )
{
Vec_Ptr_t * vNodes;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew, * pObjOld;
Aig_Obj_t * pObj, * pObjLo, * pObjLi;
int i;
assert( pMan->nAsserts == 0 );
assert( pNtkOld->nBarBufs == 0 );
assert( Aig_ManRegNum(pMan) <= Abc_NtkLatchNum(pNtkOld) );
assert( Saig_ManPiNum(pMan) <= Abc_NtkCiNum(pNtkOld) );
assert( Saig_ManPoNum(pMan) == Abc_NtkPoNum(pNtkOld) );
assert( pMan->vCiNumsOrig != NULL );
// perform strashing
pNtkNew = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pMan->nBarBufs;
// duplicate the name and the spec
// pNtkNew->pName = Extra_UtilStrsav(pMan->pName);
// pNtkNew->pSpec = Extra_UtilStrsav(pMan->pSpec);
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
// create PIs
Aig_ManForEachPiSeq( pMan, pObj, i )
{
pObjNew = Abc_NtkCreatePi( pNtkNew );
pObj->pData = pObjNew;
// find the name
pObjOld = Abc_NtkCi( pNtkOld, Vec_IntEntry(pMan->vCiNumsOrig, i) );
Abc_ObjAssignName( pObjNew, Abc_ObjName(pObjOld), NULL );
}
// create POs
Aig_ManForEachPoSeq( pMan, pObj, i )
{
pObjNew = Abc_NtkCreatePo( pNtkNew );
pObj->pData = pObjNew;
// find the name
pObjOld = Abc_NtkCo( pNtkOld, i );
Abc_ObjAssignName( pObjNew, Abc_ObjName(pObjOld), NULL );
}
assert( Abc_NtkCiNum(pNtkNew) == Aig_ManCiNum(pMan) - Aig_ManRegNum(pMan) );
assert( Abc_NtkCoNum(pNtkNew) == Aig_ManCoNum(pMan) - Aig_ManRegNum(pMan) );
// create as many latches as there are registers in the manager
Aig_ManForEachLiLoSeq( pMan, pObjLi, pObjLo, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pObjLi->pData = Abc_NtkCreateBi( pNtkNew );
pObjLo->pData = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, (Abc_Obj_t *)pObjLi->pData );
Abc_ObjAddFanin( (Abc_Obj_t *)pObjLo->pData, pObjNew );
Abc_LatchSetInit0( pObjNew );
// find the name
pObjOld = Abc_NtkCi( pNtkOld, Vec_IntEntry(pMan->vCiNumsOrig, Saig_ManPiNum(pMan)+i) );
Abc_ObjAssignName( (Abc_Obj_t *)pObjLo->pData, Abc_ObjName(pObjOld), NULL );
// find the name
pObjOld = Abc_NtkCo( pNtkOld, Saig_ManPoNum(pMan)+i );
Abc_ObjAssignName( (Abc_Obj_t *)pObjLi->pData, Abc_ObjName(pObjOld), NULL );
}
// rebuild the AIG
vNodes = Aig_ManDfs( pMan, 1 );
Vec_PtrForEachEntry( Aig_Obj_t *, vNodes, pObj, i )
if ( Aig_ObjIsBuf(pObj) )
pObj->pData = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
else
pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
Vec_PtrFree( vNodes );
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
{
pObjNew = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), pObjNew );
}
// check the resulting AIG
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkAfterTrim(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkFromDarChoices( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
{
Abc_Ntk_t * pNtkNew;
Aig_Obj_t * pObj, * pTemp;
int i;
assert( pMan->pEquivs != NULL );
assert( Aig_ManBufNum(pMan) == 0 );
// perform strashing
pNtkNew = Abc_NtkStartFrom( pNtkOld, ABC_NTK_STRASH, ABC_FUNC_AIG );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pNtkOld->nBarBufs;
// transfer the pointers to the basic nodes
Aig_ManCleanData( pMan );
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
Aig_ManForEachCi( pMan, pObj, i )
pObj->pData = Abc_NtkCi(pNtkNew, i);
// rebuild the AIG
Aig_ManForEachNode( pMan, pObj, i )
{
pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
if ( (pTemp = Aig_ObjEquiv(pMan, pObj)) )
{
assert( pTemp->pData != NULL );
((Abc_Obj_t *)pObj->pData)->pData = ((Abc_Obj_t *)pTemp->pData);
}
}
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), (Abc_Obj_t *)Aig_ObjChild0Copy(pObj) );
if ( !Abc_NtkCheck( pNtkNew ) )
{
Abc_Print( 1, "Abc_NtkFromDar(): Network check has failed. Returning original network.\n" );
Abc_NtkDelete( pNtkNew );
pNtkNew = Abc_NtkDup( pNtkOld );
}
// verify topological order
if ( 0 )
{
Abc_Obj_t * pNode;
Abc_NtkForEachNode( pNtkNew, pNode, i )
if ( Abc_AigNodeIsChoice( pNode ) )
{
int Counter = 0;
for ( pNode = Abc_ObjEquiv(pNode); pNode; pNode = Abc_ObjEquiv(pNode) )
Counter++;
printf( "%d ", Counter );
}
printf( "\n" );
}
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkFromDarSeq( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
{
Vec_Ptr_t * vNodes;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew, * pFaninNew, * pFaninNew0, * pFaninNew1;
Aig_Obj_t * pObj;
int i;
// assert( Aig_ManLatchNum(pMan) > 0 );
assert( pNtkOld->nBarBufs == 0 );
// perform strashing
pNtkNew = Abc_NtkStartFromNoLatches( pNtkOld, ABC_NTK_STRASH, ABC_FUNC_AIG );
pNtkNew->nConstrs = pMan->nConstrs;
pNtkNew->nBarBufs = pMan->nBarBufs;
// transfer the pointers to the basic nodes
Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
Aig_ManForEachCi( pMan, pObj, i )
pObj->pData = Abc_NtkPi(pNtkNew, i);
// create latches of the new network
Aig_ManForEachObj( pMan, pObj, i )
{
pObjNew = Abc_NtkCreateLatch( pNtkNew );
pFaninNew0 = Abc_NtkCreateBi( pNtkNew );
pFaninNew1 = Abc_NtkCreateBo( pNtkNew );
Abc_ObjAddFanin( pObjNew, pFaninNew0 );
Abc_ObjAddFanin( pFaninNew1, pObjNew );
Abc_LatchSetInit0( pObjNew );
pObj->pData = Abc_ObjFanout0( pObjNew );
}
Abc_NtkAddDummyBoxNames( pNtkNew );
// rebuild the AIG
vNodes = Aig_ManDfs( pMan, 1 );
Vec_PtrForEachEntry( Aig_Obj_t *, vNodes, pObj, i )
{
// add the first fanin
pObj->pData = pFaninNew0 = (Abc_Obj_t *)Aig_ObjChild0Copy(pObj);
if ( Aig_ObjIsBuf(pObj) )
continue;
// add the second fanin
pFaninNew1 = (Abc_Obj_t *)Aig_ObjChild1Copy(pObj);
// create the new node
if ( Aig_ObjIsExor(pObj) )
pObj->pData = pObjNew = Abc_AigXor( (Abc_Aig_t *)pNtkNew->pManFunc, pFaninNew0, pFaninNew1 );
else
pObj->pData = pObjNew = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, pFaninNew0, pFaninNew1 );
}
Vec_PtrFree( vNodes );
// connect the PO nodes
Aig_ManForEachCo( pMan, pObj, i )
{
pFaninNew = (Abc_Obj_t *)Aig_ObjChild0Copy( pObj );
Abc_ObjAddFanin( Abc_NtkPo(pNtkNew, i), pFaninNew );
}
// connect the latches
Aig_ManForEachObj( pMan, pObj, i )
{
pFaninNew = (Abc_Obj_t *)Aig_ObjChild0Copy( pObj );
Abc_ObjAddFanin( Abc_ObjFanin0(Abc_ObjFanin0((Abc_Obj_t *)pObj->pData)), pFaninNew );
}
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkFromIvySeq(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Collects CI of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Ptr_t * Abc_NtkCollectCiNames( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj;
int i;
Vec_Ptr_t * vNames;
vNames = Vec_PtrAlloc( 100 );
Abc_NtkForEachCi( pNtk, pObj, i )
Vec_PtrPush( vNames, Extra_UtilStrsav(Abc_ObjName(pObj)) );
return vNames;
}
/**Function*************************************************************
Synopsis [Collects CO of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Ptr_t * Abc_NtkCollectCoNames( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj;
int i;
Vec_Ptr_t * vNames;
vNames = Vec_PtrAlloc( 100 );
Abc_NtkForEachCo( pNtk, pObj, i )
Vec_PtrPush( vNames, Extra_UtilStrsav(Abc_ObjName(pObj)) );
return vNames;
}
/**Function*************************************************************
Synopsis [Collect latch values.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Abc_NtkGetLatchValues( Abc_Ntk_t * pNtk )
{
Vec_Int_t * vInits;
Abc_Obj_t * pLatch;
int i;
vInits = Vec_IntAlloc( Abc_NtkLatchNum(pNtk) );
Abc_NtkForEachLatch( pNtk, pLatch, i )
{
if ( Abc_LatchIsInit0(pLatch) )
Vec_IntPush( vInits, 0 );
else if ( Abc_LatchIsInit1(pLatch) )
Vec_IntPush( vInits, 1 );
else if ( Abc_LatchIsInitDc(pLatch) )
Vec_IntPush( vInits, 2 );
else
assert( 0 );
}
return vInits;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDar( Abc_Ntk_t * pNtk )
{
Abc_Ntk_t * pNtkAig = NULL;
Aig_Man_t * pMan;
extern void Fra_ManPartitionTest( Aig_Man_t * p, int nComLim );
assert( Abc_NtkIsStrash(pNtk) );
// convert to the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
// perform computation
// Fra_ManPartitionTest( pMan, 4 );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
// make sure everything is okay
if ( pNtkAig && !Abc_NtkCheck( pNtkAig ) )
{
Abc_Print( 1, "Abc_NtkDar: The network check has failed.\n" );
Abc_NtkDelete( pNtkAig );
return NULL;
}
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarFraig( Abc_Ntk_t * pNtk, int nConfLimit, int fDoSparse, int fProve, int fTransfer, int fSpeculate, int fChoicing, int fVerbose )
{
Fra_Par_t Pars, * pPars = &Pars;
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
Fra_ParamsDefault( pPars );
pPars->nBTLimitNode = nConfLimit;
pPars->fChoicing = fChoicing;
pPars->fDoSparse = fDoSparse;
pPars->fSpeculate = fSpeculate;
pPars->fProve = fProve;
pPars->fVerbose = fVerbose;
pMan = Fra_FraigPerform( pTemp = pMan, pPars );
if ( fChoicing )
pNtkAig = Abc_NtkFromDarChoices( pNtk, pMan );
else
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pTemp );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarFraigPart( Abc_Ntk_t * pNtk, int nPartSize, int nConfLimit, int nLevelMax, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
pMan = Aig_ManFraigPartitioned( pTemp = pMan, nPartSize, nConfLimit, nLevelMax, fVerbose );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkCSweep( Abc_Ntk_t * pNtk, int nCutsMax, int nLeafMax, int fVerbose )
{
// extern Aig_Man_t * Csw_Sweep( Aig_Man_t * pAig, int nCutsMax, int nLeafMax, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
pMan = Csw_Sweep( pTemp = pMan, nCutsMax, nLeafMax, fVerbose );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pTemp );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDRewrite( Abc_Ntk_t * pNtk, Dar_RwrPar_t * pPars )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
abctime clk;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
// Aig_ManPrintStats( pMan );
/*
// Aig_ManSupports( pMan );
{
Vec_Vec_t * vParts;
vParts = Aig_ManPartitionSmart( pMan, 50, 1, NULL );
Vec_VecFree( vParts );
}
*/
Dar_ManRewrite( pMan, pPars );
// pMan = Dar_ManBalance( pTemp = pMan, pPars->fUpdateLevel );
// Aig_ManStop( pTemp );
clk = Abc_Clock();
pMan = Aig_ManDupDfs( pTemp = pMan );
Aig_ManStop( pTemp );
//ABC_PRT( "time", Abc_Clock() - clk );
// Aig_ManPrintStats( pMan );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDRefactor( Abc_Ntk_t * pNtk, Dar_RefPar_t * pPars )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
abctime clk;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
// Aig_ManPrintStats( pMan );
Dar_ManRefactor( pMan, pPars );
// pMan = Dar_ManBalance( pTemp = pMan, pPars->fUpdateLevel );
// Aig_ManStop( pTemp );
clk = Abc_Clock();
pMan = Aig_ManDupDfs( pTemp = pMan );
Aig_ManStop( pTemp );
//ABC_PRT( "time", Abc_Clock() - clk );
// Aig_ManPrintStats( pMan );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDC2( Abc_Ntk_t * pNtk, int fBalance, int fUpdateLevel, int fFanout, int fPower, int fVerbose )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
abctime clk;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
// Aig_ManPrintStats( pMan );
clk = Abc_Clock();
pMan = Dar_ManCompress2( pTemp = pMan, fBalance, fUpdateLevel, fFanout, fPower, fVerbose );
Aig_ManStop( pTemp );
//ABC_PRT( "time", Abc_Clock() - clk );
// Aig_ManPrintStats( pMan );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDChoice( Abc_Ntk_t * pNtk, int fBalance, int fUpdateLevel, int fConstruct, int nConfMax, int nLevelMax, int fVerbose )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
pMan = Dar_ManChoice( pTemp = pMan, fBalance, fUpdateLevel, fConstruct, nConfMax, nLevelMax, fVerbose );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromDarChoices( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDch( Abc_Ntk_t * pNtk, Dch_Pars_t * pPars )
{
extern Aig_Man_t * Dar_ManChoiceNew( Aig_Man_t * pAig, Dch_Pars_t * pPars );
extern Gia_Man_t * Dar_NewChoiceSynthesis( Aig_Man_t * pAig, int fBalance, int fUpdateLevel, int fPower, int fLightSynth, int fVerbose );
extern Aig_Man_t * Cec_ComputeChoices( Gia_Man_t * pGia, Dch_Pars_t * pPars );
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
Gia_Man_t * pGia;
abctime clk;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
if ( pPars->fUseNew )
pMan = Dar_ManChoiceNew( pMan, pPars );
else
{
clk = Abc_Clock();
if ( pPars->fSynthesis )
pGia = Dar_NewChoiceSynthesis( pMan, 1, 1, pPars->fPower, pPars->fLightSynth, pPars->fVerbose );
else
{
pGia = Gia_ManFromAig( pMan );
Aig_ManStop( pMan );
}
pPars->timeSynth = Abc_Clock() - clk;
if ( pPars->fUseGia )
pMan = Cec_ComputeChoices( pGia, pPars );
else
{
pMan = Gia_ManToAigSkip( pGia, 3 );
Gia_ManStop( pGia );
pMan = Dch_ComputeChoices( pTemp = pMan, pPars );
Aig_ManStop( pTemp );
}
}
pNtkAig = Abc_NtkFromDarChoices( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDrwsat( Abc_Ntk_t * pNtk, int fBalance, int fVerbose )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig;
abctime clk;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
// Aig_ManPrintStats( pMan );
clk = Abc_Clock();
pMan = Dar_ManRwsat( pTemp = pMan, fBalance, fVerbose );
Aig_ManStop( pTemp );
//ABC_PRT( "time", Abc_Clock() - clk );
// Aig_ManPrintStats( pMan );
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkConstructFromCnf( Abc_Ntk_t * pNtk, Cnf_Man_t * p, Vec_Ptr_t * vMapped )
{
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pNode, * pNodeNew;
Aig_Obj_t * pObj, * pLeaf;
Cnf_Cut_t * pCut;
Vec_Int_t * vCover;
unsigned uTruth;
int i, k, nDupGates;
// create the new network
pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_SOP );
// make the mapper point to the new network
Aig_ManConst1(p->pManAig)->pData = Abc_NtkCreateNodeConst1(pNtkNew);
Abc_NtkForEachCi( pNtk, pNode, i )
Aig_ManCi(p->pManAig, i)->pData = pNode->pCopy;
// process the nodes in topological order
vCover = Vec_IntAlloc( 1 << 16 );
Vec_PtrForEachEntry( Aig_Obj_t *, vMapped, pObj, i )
{
// create new node
pNodeNew = Abc_NtkCreateNode( pNtkNew );
// add fanins according to the cut
pCut = (Cnf_Cut_t *)pObj->pData;
Cnf_CutForEachLeaf( p->pManAig, pCut, pLeaf, k )
Abc_ObjAddFanin( pNodeNew, (Abc_Obj_t *)pLeaf->pData );
// add logic function
if ( pCut->nFanins < 5 )
{
uTruth = 0xFFFF & *Cnf_CutTruth(pCut);
Cnf_SopConvertToVector( p->pSops[uTruth], p->pSopSizes[uTruth], vCover );
pNodeNew->pData = Abc_SopCreateFromIsop( (Mem_Flex_t *)pNtkNew->pManFunc, pCut->nFanins, vCover );
}
else
pNodeNew->pData = Abc_SopCreateFromIsop( (Mem_Flex_t *)pNtkNew->pManFunc, pCut->nFanins, pCut->vIsop[1] );
// save the node
pObj->pData = pNodeNew;
}
Vec_IntFree( vCover );
// add the CO drivers
Abc_NtkForEachCo( pNtk, pNode, i )
{
pObj = Aig_ManCo(p->pManAig, i);
pNodeNew = Abc_ObjNotCond( (Abc_Obj_t *)Aig_ObjFanin0(pObj)->pData, Aig_ObjFaninC0(pObj) );
Abc_ObjAddFanin( pNode->pCopy, pNodeNew );
}
// remove the constant node if not used
pNodeNew = (Abc_Obj_t *)Aig_ManConst1(p->pManAig)->pData;
if ( Abc_ObjFanoutNum(pNodeNew) == 0 )
Abc_NtkDeleteObj( pNodeNew );
// minimize the node
// Abc_NtkSweep( pNtkNew, 0 );
// decouple the PO driver nodes to reduce the number of levels
nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 1 );
// if ( nDupGates && If_ManReadVerbose(pIfMan) )
// Abc_Print( 1, "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
if ( !Abc_NtkCheck( pNtkNew ) )
Abc_Print( 1, "Abc_NtkConstructFromCnf(): Network check has failed.\n" );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarToCnf( Abc_Ntk_t * pNtk, char * pFileName, int fFastAlgo, int fChangePol, int fVerbose )
{
// Vec_Ptr_t * vMapped = NULL;
Aig_Man_t * pMan;
// Cnf_Man_t * pManCnf = NULL;
Cnf_Dat_t * pCnf;
Abc_Ntk_t * pNtkNew = NULL;
abctime clk = Abc_Clock();
assert( Abc_NtkIsStrash(pNtk) );
// convert to the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 0 );
if ( pMan == NULL )
return NULL;
if ( !Aig_ManCheck( pMan ) )
{
Abc_Print( 1, "Abc_NtkDarToCnf: AIG check has failed.\n" );
Aig_ManStop( pMan );
return NULL;
}
// perform balance
if ( fVerbose )
Aig_ManPrintStats( pMan );
// derive CNF
if ( fFastAlgo )
pCnf = Cnf_DeriveFast( pMan, 0 );
else
pCnf = Cnf_Derive( pMan, 0 );
// adjust polarity
if ( fChangePol )
Cnf_DataTranformPolarity( pCnf, 0 );
// print stats
// if ( fVerbose )
{
Abc_Print( 1, "CNF stats: Vars = %6d. Clauses = %7d. Literals = %8d. ", pCnf->nVars, pCnf->nClauses, pCnf->nLiterals );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
}
/*
// write the network for verification
pManCnf = Cnf_ManRead();
vMapped = Cnf_ManScanMapping( pManCnf, 1, 0 );
pNtkNew = Abc_NtkConstructFromCnf( pNtk, pManCnf, vMapped );
Vec_PtrFree( vMapped );
*/
// write CNF into a file
Cnf_DataWriteIntoFile( pCnf, pFileName, 0, NULL, NULL );
Cnf_DataFree( pCnf );
Cnf_ManFree();
Aig_ManStop( pMan );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Solves combinational miter using a SAT solver.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDSat( Abc_Ntk_t * pNtk, ABC_INT64_T nConfLimit, ABC_INT64_T nInsLimit, int nLearnedStart, int nLearnedDelta, int nLearnedPerce, int fAlignPol, int fAndOuts, int fNewSolver, int fVerbose )
{
Aig_Man_t * pMan;
int RetValue;//, clk = Abc_Clock();
assert( Abc_NtkIsStrash(pNtk) );
assert( Abc_NtkLatchNum(pNtk) == 0 );
// assert( Abc_NtkPoNum(pNtk) == 1 );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
RetValue = Fra_FraigSat( pMan, nConfLimit, nInsLimit, nLearnedStart, nLearnedDelta, nLearnedPerce, fAlignPol, fAndOuts, fNewSolver, fVerbose );
pNtk->pModel = (int *)pMan->pData, pMan->pData = NULL;
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Solves combinational miter using a SAT solver.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkPartitionedSat( Abc_Ntk_t * pNtk, int nAlgo, int nPartSize, int nConfPart, int nConfTotal, int fAlignPol, int fSynthesize, int fVerbose )
{
extern int Aig_ManPartitionedSat( Aig_Man_t * pNtk, int nAlgo, int nPartSize, int nConfPart, int nConfTotal, int fAlignPol, int fSynthesize, int fVerbose );
Aig_Man_t * pMan;
int RetValue;//, clk = Abc_Clock();
assert( Abc_NtkIsStrash(pNtk) );
assert( Abc_NtkLatchNum(pNtk) == 0 );
pMan = Abc_NtkToDar( pNtk, 0, 0 );
RetValue = Aig_ManPartitionedSat( pMan, nAlgo, nPartSize, nConfPart, nConfTotal, fAlignPol, fSynthesize, fVerbose );
pNtk->pModel = (int *)pMan->pData, pMan->pData = NULL;
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarCec( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int nConfLimit, int fPartition, int fVerbose )
{
Aig_Man_t * pMan, * pMan1, * pMan2;
Abc_Ntk_t * pMiter;
int RetValue;
abctime clkTotal = Abc_Clock();
/*
{
extern void Cec_ManVerifyTwoAigs( Aig_Man_t * pAig0, Aig_Man_t * pAig1, int fVerbose );
Aig_Man_t * pAig0 = Abc_NtkToDar( pNtk1, 0, 0 );
Aig_Man_t * pAig1 = Abc_NtkToDar( pNtk2, 0, 0 );
Cec_ManVerifyTwoAigs( pAig0, pAig1, 1 );
Aig_ManStop( pAig0 );
Aig_ManStop( pAig1 );
return 1;
}
*/
// cannot partition if it is already a miter
if ( pNtk2 == NULL && fPartition == 1 )
{
Abc_Print( 1, "Abc_NtkDarCec(): Switching to non-partitioned CEC for the miter.\n" );
fPartition = 0;
}
// if partitioning is selected, call partitioned CEC
if ( fPartition )
{
pMan1 = Abc_NtkToDar( pNtk1, 0, 0 );
pMan2 = Abc_NtkToDar( pNtk2, 0, 0 );
RetValue = Fra_FraigCecPartitioned( pMan1, pMan2, nConfLimit, 100, 1, fVerbose );
Aig_ManStop( pMan1 );
Aig_ManStop( pMan2 );
goto finish;
}
if ( pNtk2 != NULL )
{
// get the miter of the two networks
pMiter = Abc_NtkMiter( pNtk1, pNtk2, 0, 0, 0, 0 );
if ( pMiter == NULL )
{
Abc_Print( 1, "Miter computation has failed.\n" );
return 0;
}
}
else
{
pMiter = Abc_NtkDup( pNtk1 );
}
RetValue = Abc_NtkMiterIsConstant( pMiter );
if ( RetValue == 0 )
{
// extern void Abc_NtkVerifyReportErrorSeq( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int * pModel, int nFrames );
Abc_Print( 1, "Networks are NOT EQUIVALENT after structural hashing.\n" );
// report the error
if ( pNtk2 == NULL )
pNtk1->pModel = Abc_NtkVerifyGetCleanModel( pNtk1, 1 );
// pMiter->pModel = Abc_NtkVerifyGetCleanModel( pMiter, nFrames );
// Abc_NtkVerifyReportErrorSeq( pNtk1, pNtk2, pMiter->pModel, nFrames );
// ABC_FREE( pMiter->pModel );
Abc_NtkDelete( pMiter );
return 0;
}
if ( RetValue == 1 )
{
Abc_NtkDelete( pMiter );
Abc_Print( 1, "Networks are equivalent after structural hashing.\n" );
return 1;
}
// derive the AIG manager
pMan = Abc_NtkToDar( pMiter, 0, 0 );
Abc_NtkDelete( pMiter );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
// perform verification
RetValue = Fra_FraigCec( &pMan, 100000, fVerbose );
// transfer model if given
if ( pNtk2 == NULL )
pNtk1->pModel = (int *)pMan->pData, pMan->pData = NULL;
Aig_ManStop( pMan );
finish:
// report the miter
if ( RetValue == 1 )
{
Abc_Print( 1, "Networks are equivalent. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
else if ( RetValue == 0 )
{
Abc_Print( 1, "Networks are NOT EQUIVALENT. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
else
{
Abc_Print( 1, "Networks are UNDECIDED. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
fflush( stdout );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarSeqSweep( Abc_Ntk_t * pNtk, Fra_Ssw_t * pPars )
{
Fraig_Params_t Params;
Abc_Ntk_t * pNtkAig = NULL, * pNtkFraig;
Aig_Man_t * pMan, * pTemp;
abctime clk = Abc_Clock();
// preprocess the miter by fraiging it
// (note that for each functional class, fraiging leaves one representative;
// so fraiging does not reduce the number of functions represented by nodes
Fraig_ParamsSetDefault( &Params );
Params.nBTLimit = 100000;
if ( pPars->fFraiging && pPars->nPartSize == 0 )
{
pNtkFraig = Abc_NtkFraig( pNtk, &Params, 0, 0 );
if ( pPars->fVerbose )
{
ABC_PRT( "Initial fraiging time", Abc_Clock() - clk );
}
}
else
pNtkFraig = Abc_NtkDup( pNtk );
pMan = Abc_NtkToDar( pNtkFraig, 0, 1 );
Abc_NtkDelete( pNtkFraig );
if ( pMan == NULL )
return NULL;
// pPars->TimeLimit = 5.0;
pMan = Fra_FraigInduction( pTemp = pMan, pPars );
Aig_ManStop( pTemp );
if ( pMan )
{
if ( Aig_ManRegNum(pMan) < Abc_NtkLatchNum(pNtk) )
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
else
{
Abc_Obj_t * pObj;
int i;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Abc_NtkForEachLatch( pNtkAig, pObj, i )
Abc_LatchSetInit0( pObj );
}
Aig_ManStop( pMan );
}
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Print Latch Equivalence Classes.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkPrintLatchEquivClasses( Abc_Ntk_t * pNtk, Aig_Man_t * pAig )
{
int header_dumped = 0;
int num_orig_latches = Abc_NtkLatchNum(pNtk);
char **pNames = ABC_ALLOC( char *, num_orig_latches );
int *p_irrelevant = ABC_ALLOC( int, num_orig_latches );
char * pFlopName, * pReprName;
Aig_Obj_t * pFlop, * pRepr;
Abc_Obj_t * pNtkFlop;
int repr_idx;
int i;
Abc_NtkForEachLatch( pNtk, pNtkFlop, i )
{
char *temp_name = Abc_ObjName( Abc_ObjFanout0(pNtkFlop) );
pNames[i] = ABC_ALLOC( char , strlen(temp_name)+1);
strcpy(pNames[i], temp_name);
}
i = 0;
Aig_ManSetCioIds( pAig );
Saig_ManForEachLo( pAig, pFlop, i )
{
p_irrelevant[i] = false;
pFlopName = pNames[i];
pRepr = Aig_ObjRepr(pAig, pFlop);
if ( pRepr == NULL )
{
// Abc_Print( 1, "Nothing equivalent to flop %s\n", pFlopName);
// p_irrelevant[i] = true;
continue;
}
if (!header_dumped)
{
Abc_Print( 1, "Here are the flop equivalences:\n");
header_dumped = true;
}
// pRepr is representative of the equivalence class, to which pFlop belongs
if ( Aig_ObjIsConst1(pRepr) )
{
Abc_Print( 1, "Original flop %s is proved equivalent to constant.\n", pFlopName );
// Abc_Print( 1, "Original flop # %d is proved equivalent to constant.\n", i );
continue;
}
assert( Saig_ObjIsLo( pAig, pRepr ) );
repr_idx = Aig_ObjCioId(pRepr) - Saig_ManPiNum(pAig);
pReprName = pNames[repr_idx];
Abc_Print( 1, "Original flop %s is proved equivalent to flop %s.\n", pFlopName, pReprName );
// Abc_Print( 1, "Original flop # %d is proved equivalent to flop # %d.\n", i, repr_idx );
}
header_dumped = false;
for (i=0; i<num_orig_latches; ++i)
{
if (p_irrelevant[i])
{
if (!header_dumped)
{
Abc_Print( 1, "The following flops have been deemed irrelevant:\n");
header_dumped = true;
}
Abc_Print( 1, "%s ", pNames[i]);
}
ABC_FREE(pNames[i]);
}
if (header_dumped)
Abc_Print( 1, "\n");
ABC_FREE(pNames);
ABC_FREE(p_irrelevant);
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarSeqSweep2( Abc_Ntk_t * pNtk, Ssw_Pars_t * pPars )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Ssw_SignalCorrespondence( pTemp = pMan, pPars );
if ( pPars->fFlopVerbose )
Abc_NtkPrintLatchEquivClasses(pNtk, pTemp);
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
if ( Aig_ManRegNum(pMan) < Abc_NtkLatchNum(pNtk) )
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
else
{
Abc_Obj_t * pObj;
int i;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Abc_NtkForEachLatch( pNtkAig, pObj, i )
Abc_LatchSetInit0( pObj );
}
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Computes latch correspondence.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarLcorr( Abc_Ntk_t * pNtk, int nFramesP, int nConfMax, int fVerbose )
{
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig = NULL;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Fra_FraigLatchCorrespondence( pTemp = pMan, nFramesP, nConfMax, 0, fVerbose, NULL, 0.0 );
Aig_ManStop( pTemp );
if ( pMan )
{
if ( Aig_ManRegNum(pMan) < Abc_NtkLatchNum(pNtk) )
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
else
{
Abc_Obj_t * pObj;
int i;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Abc_NtkForEachLatch( pNtkAig, pObj, i )
Abc_LatchSetInit0( pObj );
}
Aig_ManStop( pMan );
}
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Computes latch correspondence.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarLcorrNew( Abc_Ntk_t * pNtk, int nVarsMax, int nConfMax, int nLimitMax, int fVerbose )
{
Ssw_Pars_t Pars, * pPars = &Pars;
Aig_Man_t * pMan, * pTemp;
Abc_Ntk_t * pNtkAig = NULL;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
Ssw_ManSetDefaultParams( pPars );
pPars->fLatchCorrOpt = 1;
pPars->nBTLimit = nConfMax;
pPars->nSatVarMax = nVarsMax;
pPars->nLimitMax = nLimitMax;
pPars->fVerbose = fVerbose;
pMan = Ssw_SignalCorrespondence( pTemp = pMan, pPars );
Aig_ManStop( pTemp );
if ( pMan )
{
if ( Aig_ManRegNum(pMan) < Abc_NtkLatchNum(pNtk) )
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
else
{
Abc_Obj_t * pObj;
int i;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Abc_NtkForEachLatch( pNtkAig, pObj, i )
Abc_LatchSetInit0( pObj );
}
Aig_ManStop( pMan );
}
return pNtkAig;
}
/*
#include <signal.h>
#include "misc/util/utilMem.h"
static void sigfunc( int signo )
{
if (signo == SIGINT) {
Abc_Print( 1, "SIGINT received!\n");
s_fInterrupt = 1;
}
}
*/
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarBmc( Abc_Ntk_t * pNtk, int nStart, int nFrames, int nSizeMax, int nNodeDelta, int nTimeOut, int nBTLimit, int nBTLimitAll, int fRewrite, int fNewAlgo, int fOrDecomp, int nCofFanLit, int fVerbose, int * piFrames, int fUseSatoko )
{
Aig_Man_t * pMan;
Vec_Int_t * vMap = NULL;
int status, RetValue = -1;
abctime clk = Abc_Clock();
abctime nTimeLimit = nTimeOut ? nTimeOut * CLOCKS_PER_SEC + Abc_Clock(): 0;
// derive the AIG manager
if ( fOrDecomp )
pMan = Abc_NtkToDarBmc( pNtk, &vMap );
else
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return RetValue;
}
assert( pMan->nRegs > 0 );
assert( vMap == NULL || Vec_IntSize(vMap) == Saig_ManPoNum(pMan) );
if ( fVerbose && vMap && Abc_NtkPoNum(pNtk) != Saig_ManPoNum(pMan) )
Abc_Print( 1, "Expanded %d outputs into %d outputs using OR decomposition.\n", Abc_NtkPoNum(pNtk), Saig_ManPoNum(pMan) );
// perform verification
if ( fNewAlgo ) // command 'bmc'
{
int iFrame;
RetValue = Saig_ManBmcSimple( pMan, nFrames, nSizeMax, nBTLimit, fRewrite, fVerbose, &iFrame, nCofFanLit, fUseSatoko );
if ( piFrames )
*piFrames = iFrame;
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
if ( RetValue == 1 )
Abc_Print( 1, "Incorrect return value. " );
else if ( RetValue == -1 )
{
Abc_Print( 1, "No output asserted in %d frames. Resource limit reached ", Abc_MaxInt(iFrame+1,0) );
if ( nTimeLimit && Abc_Clock() > nTimeLimit )
Abc_Print( 1, "(timeout %d sec). ", nTimeLimit );
else
Abc_Print( 1, "(conf limit %d). ", nBTLimit );
}
else // if ( RetValue == 0 )
{
Abc_Cex_t * pCex = pNtk->pSeqModel;
Abc_Print( 1, "Output %d of miter \"%s\" was asserted in frame %d. ", pCex->iPo, pNtk->pName, pCex->iFrame );
}
ABC_PRT( "Time", Abc_Clock() - clk );
}
else
{
RetValue = Saig_BmcPerform( pMan, nStart, nFrames, nNodeDelta, nTimeOut, nBTLimit, nBTLimitAll, fVerbose, 0, piFrames, 0, fUseSatoko );
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
}
// verify counter-example
if ( pNtk->pSeqModel )
{
status = Saig_ManVerifyCex( pMan, pNtk->pSeqModel );
if ( status == 0 )
Abc_Print( 1, "Abc_NtkDarBmc(): Counter-example verification has FAILED.\n" );
}
Aig_ManStop( pMan );
// update the counter-example
if ( pNtk->pSeqModel && vMap )
pNtk->pSeqModel->iPo = Vec_IntEntry( vMap, pNtk->pSeqModel->iPo );
Vec_IntFreeP( &vMap );
return RetValue;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarBmc3( Abc_Ntk_t * pNtk, Saig_ParBmc_t * pPars, int fOrDecomp )
{
Aig_Man_t * pMan;
Vec_Int_t * vMap = NULL;
int status, RetValue = -1;
abctime clk = Abc_Clock();
abctime nTimeOut = pPars->nTimeOut ? pPars->nTimeOut * CLOCKS_PER_SEC + Abc_Clock(): 0;
if ( fOrDecomp && !pPars->fSolveAll )
pMan = Abc_NtkToDarBmc( pNtk, &vMap );
else
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return RetValue;
}
assert( pMan->nRegs > 0 );
if ( pPars->fVerbose && vMap && Abc_NtkPoNum(pNtk) != Saig_ManPoNum(pMan) )
Abc_Print( 1, "Expanded %d outputs into %d outputs using OR decomposition.\n", Abc_NtkPoNum(pNtk), Saig_ManPoNum(pMan) );
RetValue = Saig_ManBmcScalable( pMan, pPars );
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
if ( !pPars->fSilent )
{
if ( RetValue == 1 )
{
Abc_Print( 1, "Explored all reachable states after completing %d frames. ", 1<<Aig_ManRegNum(pMan) );
}
else if ( RetValue == -1 )
{
if ( pPars->nFailOuts == 0 )
{
Abc_Print( 1, "No output asserted in %d frames. Resource limit reached ", Abc_MaxInt(pPars->iFrame+1,0) );
if ( nTimeOut && Abc_Clock() > nTimeOut )
Abc_Print( 1, "(timeout %d sec). ", pPars->nTimeOut );
else
Abc_Print( 1, "(conf limit %d). ", pPars->nConfLimit );
}
else
{
Abc_Print( 1, "The total of %d outputs asserted in %d frames. Resource limit reached ", pPars->nFailOuts, pPars->iFrame );
if ( Abc_Clock() > nTimeOut )
Abc_Print( 1, "(timeout %d sec). ", pPars->nTimeOut );
else
Abc_Print( 1, "(conf limit %d). ", pPars->nConfLimit );
}
}
else // if ( RetValue == 0 )
{
if ( !pPars->fSolveAll )
{
Abc_Cex_t * pCex = pNtk->pSeqModel;
Abc_Print( 1, "Output %d of miter \"%s\" was asserted in frame %d. ", pCex->iPo, pNtk->pName, pCex->iFrame );
}
else
{
int nOutputs = Saig_ManPoNum(pMan) - Saig_ManConstrNum(pMan);
if ( pMan->vSeqModelVec == NULL || Vec_PtrCountZero(pMan->vSeqModelVec) == nOutputs )
Abc_Print( 1, "None of the %d outputs is found to be SAT", nOutputs );
else if ( Vec_PtrCountZero(pMan->vSeqModelVec) == 0 )
Abc_Print( 1, "All %d outputs are found to be SAT", nOutputs );
else
{
Abc_Print( 1, "Some outputs are SAT (%d out of %d)", nOutputs - Vec_PtrCountZero(pMan->vSeqModelVec), nOutputs );
if ( pPars->nDropOuts )
Abc_Print( 1, " while others timed out (%d out of %d)", pPars->nDropOuts, nOutputs );
}
Abc_Print( 1, " after %d frames", pPars->iFrame+2 );
Abc_Print( 1, ". " );
}
}
ABC_PRT( "Time", Abc_Clock() - clk );
}
if ( RetValue == 0 && pPars->fSolveAll )
{
if ( pNtk->vSeqModelVec )
Vec_PtrFreeFree( pNtk->vSeqModelVec );
pNtk->vSeqModelVec = pMan->vSeqModelVec; pMan->vSeqModelVec = NULL;
}
if ( pNtk->pSeqModel )
{
status = Saig_ManVerifyCex( pMan, pNtk->pSeqModel );
if ( status == 0 )
Abc_Print( 1, "Abc_NtkDarBmc3(): Counter-example verification has FAILED.\n" );
}
Aig_ManStop( pMan );
// update the counter-example
if ( pNtk->pSeqModel && vMap )
pNtk->pSeqModel->iPo = Vec_IntEntry( vMap, pNtk->pSeqModel->iPo );
Vec_IntFreeP( &vMap );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarBmcInter_int( Aig_Man_t * pMan, Inter_ManParams_t * pPars, Aig_Man_t ** ppNtkRes )
{
int RetValue = -1, iFrame;
abctime clk = Abc_Clock();
int nTotalProvedSat = 0;
assert( pMan->nRegs > 0 );
if ( ppNtkRes )
*ppNtkRes = NULL;
if ( pPars->fUseSeparate )
{
Aig_Man_t * pTemp, * pAux;
Aig_Obj_t * pObjPo;
int i, Counter = 0;
Saig_ManForEachPo( pMan, pObjPo, i )
{
if ( Aig_ObjFanin0(pObjPo) == Aig_ManConst1(pMan) )
continue;
if ( pPars->fVerbose )
Abc_Print( 1, "Solving output %2d (out of %2d):\n", i, Saig_ManPoNum(pMan) );
pTemp = Aig_ManDupOneOutput( pMan, i, 1 );
pTemp = Aig_ManScl( pAux = pTemp, 1, 1, 0, -1, -1, 0, 0 );
Aig_ManStop( pAux );
if ( Aig_ManRegNum(pTemp) == 0 )
{
pTemp->pSeqModel = NULL;
RetValue = Fra_FraigSat( pTemp, pPars->nBTLimit, 0, 0, 0, 0, 0, 0, 0, 0 );
if ( pTemp->pData )
pTemp->pSeqModel = Abc_CexCreate( Aig_ManRegNum(pMan), Saig_ManPiNum(pMan), (int *)pTemp->pData, 0, i, 1 );
// pNtk->pModel = pTemp->pData, pTemp->pData = NULL;
}
else
RetValue = Inter_ManPerformInterpolation( pTemp, pPars, &iFrame );
if ( pTemp->pSeqModel )
{
if ( pPars->fDropSatOuts )
{
Abc_Print( 1, "Output %d proved SAT in frame %d (replacing by const 0 and continuing...)\n", i, pTemp->pSeqModel->iFrame );
Aig_ObjPatchFanin0( pMan, pObjPo, Aig_ManConst0(pMan) );
Aig_ManStop( pTemp );
nTotalProvedSat++;
continue;
}
else
{
Abc_Cex_t * pCex;
pCex = pMan->pSeqModel = pTemp->pSeqModel; pTemp->pSeqModel = NULL;
pCex->iPo = i;
Aig_ManStop( pTemp );
break;
}
}
// if solved, remove the output
if ( RetValue == 1 )
{
Aig_ObjPatchFanin0( pMan, pObjPo, Aig_ManConst0(pMan) );
// Abc_Print( 1, "Output %3d : Solved ", i );
}
else
{
Counter++;
// Abc_Print( 1, "Output %3d : Undec ", i );
}
// Aig_ManPrintStats( pTemp );
Aig_ManStop( pTemp );
Abc_Print( 1, "Solving output %3d (out of %3d) using interpolation.\r", i, Saig_ManPoNum(pMan) );
}
Aig_ManCleanup( pMan );
if ( pMan->pSeqModel == NULL )
{
Abc_Print( 1, "Interpolation left %d (out of %d) outputs unsolved \n", Counter, Saig_ManPoNum(pMan) );
if ( Counter )
RetValue = -1;
}
if ( ppNtkRes )
{
pTemp = Aig_ManDupUnsolvedOutputs( pMan, 1 );
*ppNtkRes = Aig_ManScl( pTemp, 1, 1, 0, -1, -1, 0, 0 );
Aig_ManStop( pTemp );
}
}
else
{
RetValue = Inter_ManPerformInterpolation( pMan, pPars, &iFrame );
}
if ( nTotalProvedSat )
Abc_Print( 1, "The total of %d outputs proved SAT and replaced by const 0 in this run.\n", nTotalProvedSat );
if ( RetValue == 1 )
Abc_Print( 1, "Property proved. " );
else if ( RetValue == 0 )
Abc_Print( 1, "Output %d of miter \"%s\" was asserted in frame %d. ", pMan->pSeqModel ? pMan->pSeqModel->iPo : -1, pMan->pName, iFrame );
else if ( RetValue == -1 )
Abc_Print( 1, "Property UNDECIDED. " );
else
assert( 0 );
ABC_PRT( "Time", Abc_Clock() - clk );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarBmcInter( Abc_Ntk_t * pNtk, Inter_ManParams_t * pPars, Abc_Ntk_t ** ppNtkRes )
{
Aig_Man_t * pMan;
int RetValue;
if ( ppNtkRes )
*ppNtkRes = NULL;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
if ( pPars->fUseSeparate && ppNtkRes )
{
Aig_Man_t * pManNew;
RetValue = Abc_NtkDarBmcInter_int( pMan, pPars, &pManNew );
*ppNtkRes = Abc_NtkFromAigPhase( pManNew );
Aig_ManStop( pManNew );
}
else
{
RetValue = Abc_NtkDarBmcInter_int( pMan, pPars, NULL );
}
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarDemiter( Abc_Ntk_t * pNtk )
{
char * pFileNameGeneric, pFileName0[1000], pFileName1[1000];
Aig_Man_t * pMan, * pPart0, * pPart1;//, * pMiter;
// derive the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting network into AIG has failed.\n" );
return 0;
}
// if ( !Saig_ManDemiterSimple( pMan, &pPart0, &pPart1 ) )
if ( !Saig_ManDemiterSimpleDiff( pMan, &pPart0, &pPart1 ) )
{
Aig_ManStop( pMan );
Abc_Print( 1, "Demitering has failed.\n" );
return 0;
}
// create file names
pFileNameGeneric = Extra_FileNameGeneric( pNtk->pSpec ? pNtk->pSpec : pNtk->pName );
// sprintf( pFileName0, "%s%s", pFileNameGeneric, "_part0.aig" );
// sprintf( pFileName1, "%s%s", pFileNameGeneric, "_part1.aig" );
sprintf( pFileName0, "%s", "part0.aig" );
sprintf( pFileName1, "%s", "part1.aig" );
ABC_FREE( pFileNameGeneric );
// dump files
Ioa_WriteAiger( pPart0, pFileName0, 0, 0 );
Ioa_WriteAiger( pPart1, pFileName1, 0, 0 );
Abc_Print( 1, "Demitering produced two files \"%s\" and \"%s\".\n", pFileName0, pFileName1 );
// create two-level miter
// pMiter = Saig_ManCreateMiterTwo( pPart0, pPart1, 2 );
// Aig_ManDumpBlif( pMiter, "miter01.blif", NULL, NULL );
// Aig_ManStop( pMiter );
// Abc_Print( 1, "The new miter is written into file \"%s\".\n", "miter01.blif" );
Aig_ManStop( pPart0 );
Aig_ManStop( pPart1 );
Aig_ManStop( pMan );
return 1;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarDemiterNew( Abc_Ntk_t * pNtk )
{
char * pFileNameGeneric, pFileName0[1000], pFileName1[1000];
Aig_Man_t * pMan, * pPart0, * pPart1;//, * pMiter;
// derive the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting network into AIG has failed.\n" );
return 0;
}
Saig_ManDemiterNew( pMan );
Aig_ManStop( pMan );
return 1;
// if ( !Saig_ManDemiterSimple( pMan, &pPart0, &pPart1 ) )
if ( !Saig_ManDemiterSimpleDiff( pMan, &pPart0, &pPart1 ) )
{
Abc_Print( 1, "Demitering has failed.\n" );
return 0;
}
// create file names
pFileNameGeneric = Extra_FileNameGeneric( pNtk->pSpec );
sprintf( pFileName0, "%s%s", pFileNameGeneric, "_part0.aig" );
sprintf( pFileName1, "%s%s", pFileNameGeneric, "_part1.aig" );
ABC_FREE( pFileNameGeneric );
// dump files
Ioa_WriteAiger( pPart0, pFileName0, 0, 0 );
Ioa_WriteAiger( pPart1, pFileName1, 0, 0 );
Abc_Print( 1, "Demitering produced two files \"%s\" and \"%s\".\n", pFileName0, pFileName1 );
// create two-level miter
// pMiter = Saig_ManCreateMiterTwo( pPart0, pPart1, 2 );
// Aig_ManDumpBlif( pMiter, "miter01.blif", NULL, NULL );
// Aig_ManStop( pMiter );
// Abc_Print( 1, "The new miter is written into file \"%s\".\n", "miter01.blif" );
Aig_ManStop( pPart0 );
Aig_ManStop( pPart1 );
Aig_ManStop( pMan );
return 1;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarDemiterDual( Abc_Ntk_t * pNtk, int fVerbose )
{
char * pFileNameGeneric, pFileName0[1000], pFileName1[1000];
Aig_Man_t * pMan, * pPart0, * pPart1;//, * pMiter;
if ( (Abc_NtkPoNum(pNtk) & 1) )
{
Abc_Print( 1, "The number of POs should be even.\n" );
return 0;
}
// derive the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting network into AIG has failed.\n" );
return 0;
}
// if ( !Saig_ManDemiterSimple( pMan, &pPart0, &pPart1 ) )
if ( !Saig_ManDemiterDual( pMan, &pPart0, &pPart1 ) )
{
Abc_Print( 1, "Demitering has failed.\n" );
return 0;
}
// create new AIG
ABC_FREE( pPart0->pName );
pPart0->pName = Abc_UtilStrsav( "part0" );
// create new AIGs
ABC_FREE( pPart1->pName );
pPart1->pName = Abc_UtilStrsav( "part1" );
// create file names
pFileNameGeneric = Extra_FileNameGeneric( pNtk->pSpec );
// sprintf( pFileName0, "%s%s", pFileNameGeneric, "_part0.aig" );
// sprintf( pFileName1, "%s%s", pFileNameGeneric, "_part1.aig" );
sprintf( pFileName0, "%s", "part0.aig" );
sprintf( pFileName1, "%s", "part1.aig" );
ABC_FREE( pFileNameGeneric );
Ioa_WriteAiger( pPart0, pFileName0, 0, 0 );
Ioa_WriteAiger( pPart1, pFileName1, 0, 0 );
Abc_Print( 1, "Demitering produced two files \"%s\" and \"%s\".\n", pFileName0, pFileName1 );
// dump files
if ( fVerbose )
{
// Abc_Print( 1, "Init: " );
Aig_ManPrintStats( pMan );
// Abc_Print( 1, "Part1: " );
Aig_ManPrintStats( pPart0 );
// Abc_Print( 1, "Part2: " );
Aig_ManPrintStats( pPart1 );
}
// create two-level miter
// pMiter = Saig_ManCreateMiterTwo( pPart0, pPart1, 2 );
// Aig_ManDumpBlif( pMiter, "miter01.blif", NULL, NULL );
// Aig_ManStop( pMiter );
// Abc_Print( 1, "The new miter is written into file \"%s\".\n", "miter01.blif" );
Aig_ManStop( pPart0 );
Aig_ManStop( pPart1 );
Aig_ManStop( pMan );
return 1;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarProve( Abc_Ntk_t * pNtk, Fra_Sec_t * pSecPar, int nBmcFramesMax, int nBmcConfMax )
{
Aig_Man_t * pMan;
int iFrame = -1, RetValue = -1;
abctime clkTotal = Abc_Clock();
if ( pSecPar->fTryComb || Abc_NtkLatchNum(pNtk) == 0 )
{
Prove_Params_t Params, * pParams = &Params;
Abc_Ntk_t * pNtkComb;
int RetValue;
if ( Abc_NtkLatchNum(pNtk) == 0 )
Abc_Print( 1, "The network has no latches. Running CEC.\n" );
// create combinational network
pNtkComb = Abc_NtkDup( pNtk );
Abc_NtkMakeComb( pNtkComb, 1 );
// solve it using combinational equivalence checking
Prove_ParamsSetDefault( pParams );
pParams->fVerbose = 1;
RetValue = Abc_NtkIvyProve( &pNtkComb, pParams );
// transfer model if given
// pNtk->pModel = pNtkComb->pModel; pNtkComb->pModel = NULL;
if ( RetValue == 0 && (Abc_NtkLatchNum(pNtk) == 0) )
{
pNtk->pModel = pNtkComb->pModel; pNtkComb->pModel = NULL;
if ( pSecPar->fReportSolution )
Abc_Print( 1, "SOLUTION: FAIL " );
else
Abc_Print( 1, "SATISFIABLE " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
return RetValue;
}
Abc_NtkDelete( pNtkComb );
// return the result, if solved
if ( RetValue == 1 )
{
if ( pSecPar->fReportSolution )
Abc_Print( 1, "SOLUTION: PASS " );
else
Abc_Print( 1, "UNSATISFIABLE " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
return RetValue;
}
// return undecided, if the miter is combinational
if ( Abc_NtkLatchNum(pNtk) == 0 )
{
Abc_Print( 1, "UNDECIDED " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
return RetValue;
}
}
// derive the AIG manager
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( pMan->nRegs > 0 );
if ( pSecPar->fTryBmc )
{
RetValue = Saig_BmcPerform( pMan, 0, nBmcFramesMax, 2000, 0, nBmcConfMax, 0, pSecPar->fVerbose, 0, &iFrame, 0, 0 );
if ( RetValue == 0 )
{
Abc_Print( 1, "Networks are not equivalent.\n" );
if ( pSecPar->fReportSolution )
{
Abc_Print( 1, "SOLUTION: FAIL " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
// return the counter-example generated
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
Aig_ManStop( pMan );
return RetValue;
}
}
// perform verification
if ( pSecPar->fUseNewProver )
{
RetValue = Ssw_SecGeneralMiter( pMan, NULL );
}
else
{
RetValue = Fra_FraigSec( pMan, pSecPar, NULL );
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
if ( pNtk->pSeqModel )
{
Abc_Cex_t * pCex = pNtk->pSeqModel;
Abc_Print( 1, "Output %d of miter \"%s\" was asserted in frame %d.\n", pCex->iPo, pNtk->pName, pCex->iFrame );
if ( !Saig_ManVerifyCex( pMan, pNtk->pSeqModel ) )
Abc_Print( 1, "Abc_NtkDarProve(): Counter-example verification has FAILED.\n" );
}
}
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarSec( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, Fra_Sec_t * pSecPar )
{
// Fraig_Params_t Params;
Aig_Man_t * pMan;
Abc_Ntk_t * pMiter;//, * pTemp;
int RetValue;
// get the miter of the two networks
pMiter = Abc_NtkMiter( pNtk1, pNtk2, 0, 0, 0, 0 );
if ( pMiter == NULL )
{
Abc_Print( 1, "Miter computation has failed.\n" );
return -1;
}
RetValue = Abc_NtkMiterIsConstant( pMiter );
if ( RetValue == 0 )
{
extern void Abc_NtkVerifyReportErrorSeq( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int * pModel, int nFrames );
Abc_Print( 1, "Networks are NOT EQUIVALENT after structural hashing.\n" );
// report the error
pMiter->pModel = Abc_NtkVerifyGetCleanModel( pMiter, pSecPar->nFramesMax );
// Abc_NtkVerifyReportErrorSeq( pNtk1, pNtk2, pMiter->pModel, pSecPar->nFramesMax );
ABC_FREE( pMiter->pModel );
Abc_NtkDelete( pMiter );
return 0;
}
if ( RetValue == 1 )
{
Abc_NtkDelete( pMiter );
Abc_Print( 1, "Networks are equivalent after structural hashing.\n" );
return 1;
}
// commented out because sometimes the problem became non-inductive
/*
// preprocess the miter by fraiging it
// (note that for each functional class, fraiging leaves one representative;
// so fraiging does not reduce the number of functions represented by nodes
Fraig_ParamsSetDefault( &Params );
Params.nBTLimit = 100000;
pMiter = Abc_NtkFraig( pTemp = pMiter, &Params, 0, 0 );
Abc_NtkDelete( pTemp );
RetValue = Abc_NtkMiterIsConstant( pMiter );
if ( RetValue == 0 )
{
extern void Abc_NtkVerifyReportErrorSeq( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int * pModel, int nFrames );
Abc_Print( 1, "Networks are NOT EQUIVALENT after structural hashing.\n" );
// report the error
pMiter->pModel = Abc_NtkVerifyGetCleanModel( pMiter, nFrames );
Abc_NtkVerifyReportErrorSeq( pNtk1, pNtk2, pMiter->pModel, nFrames );
ABC_FREE( pMiter->pModel );
Abc_NtkDelete( pMiter );
return 0;
}
if ( RetValue == 1 )
{
Abc_NtkDelete( pMiter );
Abc_Print( 1, "Networks are equivalent after structural hashing.\n" );
return 1;
}
*/
// derive the AIG manager
pMan = Abc_NtkToDar( pMiter, 0, 1 );
Abc_NtkDelete( pMiter );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( pMan->nRegs > 0 );
// perform verification
RetValue = Fra_FraigSec( pMan, pSecPar, NULL );
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarPdr( Abc_Ntk_t * pNtk, Pdr_Par_t * pPars )
{
int RetValue = -1;
abctime clk = Abc_Clock();
Aig_Man_t * pMan;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
{
Abc_Print( 1, "Converting network into AIG has failed.\n" );
return -1;
}
RetValue = Pdr_ManSolve( pMan, pPars );
pPars->nDropOuts = Saig_ManPoNum(pMan) - pPars->nProveOuts - pPars->nFailOuts;
if ( !pPars->fSilent )
{
if ( pPars->fSolveAll )
Abc_Print( 1, "Properties: All = %d. Proved = %d. Disproved = %d. Undecided = %d. ",
Saig_ManPoNum(pMan), pPars->nProveOuts, pPars->nFailOuts, pPars->nDropOuts );
else if ( RetValue == 1 )
Abc_Print( 1, "Property proved. " );
else
{
if ( RetValue == 0 )
{
if ( pMan->pSeqModel == NULL )
Abc_Print( 1, "Abc_NtkDarPdr(): Counter-example is not available.\n" );
else
{
Abc_Print( 1, "Output %d of miter \"%s\" was asserted in frame %d. ", pMan->pSeqModel->iPo, pNtk->pName, pMan->pSeqModel->iFrame );
if ( !Saig_ManVerifyCex( pMan, pMan->pSeqModel ) )
Abc_Print( 1, "Abc_NtkDarPdr(): Counter-example verification has FAILED.\n" );
}
}
else if ( RetValue == -1 )
Abc_Print( 1, "Property UNDECIDED. " );
else
assert( 0 );
}
ABC_PRT( "Time", Abc_Clock() - clk );
/*
Abc_Print( 1, "Status: " );
if ( pPars->pOutMap )
{
int i;
for ( i = 0; i < Saig_ManPoNum(pMan); i++ )
if ( pPars->pOutMap[i] == 1 )
Abc_Print( 1, "%d=%s ", i, "unsat" );
else if ( pPars->pOutMap[i] == 0 )
Abc_Print( 1, "%d=%s ", i, "sat" );
else if ( pPars->pOutMap[i] < 0 )
Abc_Print( 1, "%d=%s ", i, "undec" );
else assert( 0 );
}
Abc_Print( 1, "\n" );
*/
}
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel;
pMan->pSeqModel = NULL;
if ( pNtk->vSeqModelVec )
Vec_PtrFreeFree( pNtk->vSeqModelVec );
pNtk->vSeqModelVec = pMan->vSeqModelVec;
pMan->vSeqModelVec = NULL;
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarAbSec( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int nFrames, int fVerbose )
{
Aig_Man_t * pMan1, * pMan2 = NULL;
int RetValue;
// derive AIG manager
pMan1 = Abc_NtkToDar( pNtk1, 0, 1 );
if ( pMan1 == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( Aig_ManRegNum(pMan1) > 0 );
// derive AIG manager
if ( pNtk2 )
{
pMan2 = Abc_NtkToDar( pNtk2, 0, 1 );
if ( pMan2 == NULL )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( Aig_ManRegNum(pMan2) > 0 );
if ( Saig_ManPiNum(pMan1) != Saig_ManPiNum(pMan2) )
{
Aig_ManStop( pMan1 );
Aig_ManStop( pMan2 );
Abc_Print( 1, "The networks have different number of PIs.\n" );
return -1;
}
if ( Saig_ManPoNum(pMan1) != Saig_ManPoNum(pMan2) )
{
Aig_ManStop( pMan1 );
Aig_ManStop( pMan2 );
Abc_Print( 1, "The networks have different number of POs.\n" );
return -1;
}
if ( Aig_ManRegNum(pMan1) != Aig_ManRegNum(pMan2) )
{
Aig_ManStop( pMan1 );
Aig_ManStop( pMan2 );
Abc_Print( 1, "The networks have different number of flops.\n" );
return -1;
}
}
// perform verification
RetValue = Ssw_SecSpecialMiter( pMan1, pMan2, nFrames, fVerbose );
Aig_ManStop( pMan1 );
if ( pMan2 )
Aig_ManStop( pMan2 );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarSimSec( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, Ssw_Pars_t * pPars )
{
Aig_Man_t * pMan1, * pMan2 = NULL;
int RetValue;
// derive AIG manager
pMan1 = Abc_NtkToDar( pNtk1, 0, 1 );
if ( pMan1 == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( Aig_ManRegNum(pMan1) > 0 );
// derive AIG manager
if ( pNtk2 )
{
pMan2 = Abc_NtkToDar( pNtk2, 0, 1 );
if ( pMan2 == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return -1;
}
assert( Aig_ManRegNum(pMan2) > 0 );
}
// perform verification
RetValue = Ssw_SecWithSimilarity( pMan1, pMan2, pPars );
Aig_ManStop( pMan1 );
if ( pMan2 )
Aig_ManStop( pMan2 );
return RetValue;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarMatch( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int nDist, int fVerbose )
{
extern Vec_Int_t * Saig_StrSimPerformMatching( Aig_Man_t * p0, Aig_Man_t * p1, int nDist, int fVerbose, Aig_Man_t ** ppMiter );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan1, * pMan2 = NULL, * pManRes;
Vec_Int_t * vPairs;
assert( Abc_NtkIsStrash(pNtk1) );
// derive AIG manager
pMan1 = Abc_NtkToDar( pNtk1, 0, 1 );
if ( pMan1 == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return NULL;
}
assert( Aig_ManRegNum(pMan1) > 0 );
// derive AIG manager
if ( pNtk2 )
{
pMan2 = Abc_NtkToDar( pNtk2, 0, 1 );
if ( pMan2 == NULL )
{
Abc_Print( 1, "Converting miter into AIG has failed.\n" );
return NULL;
}
assert( Aig_ManRegNum(pMan2) > 0 );
}
// perform verification
vPairs = Saig_StrSimPerformMatching( pMan1, pMan2, nDist, 1, &pManRes );
pNtkAig = Abc_NtkFromAigPhase( pManRes );
if ( vPairs )
Vec_IntFree( vPairs );
if ( pManRes )
Aig_ManStop( pManRes );
Aig_ManStop( pMan1 );
if ( pMan2 )
Aig_ManStop( pMan2 );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarLatchSweep( Abc_Ntk_t * pNtk, int fLatchConst, int fLatchEqual, int fSaveNames, int fUseMvSweep, int nFramesSymb, int nFramesSatur, int fVerbose, int fVeryVerbose )
{
extern void Aig_ManPrintControlFanouts( Aig_Man_t * p );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( fSaveNames )
{
Aig_ManSeqCleanup( pMan );
if ( fLatchConst && pMan->nRegs )
pMan = Aig_ManConstReduce( pMan, fUseMvSweep, nFramesSymb, nFramesSatur, fVerbose, fVeryVerbose );
if ( fLatchEqual && pMan->nRegs )
pMan = Aig_ManReduceLaches( pMan, fVerbose );
}
else
{
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Aig_ManScl( pTemp = pMan, fLatchConst, fLatchEqual, fUseMvSweep, nFramesSymb, nFramesSatur, fVerbose, fVeryVerbose );
Aig_ManStop( pTemp );
}
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
//Aig_ManPrintControlFanouts( pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetime( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
// Aig_ManReduceLachesCount( pMan );
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Rtm_ManRetime( pTemp = pMan, 1, nStepsMax, fVerbose );
Aig_ManStop( pTemp );
// pMan = Aig_ManReduceLaches( pMan, 1 );
// pMan = Aig_ManConstReduce( pMan, 1, 0 );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetimeF( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
// Aig_ManReduceLachesCount( pMan );
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Aig_ManRetimeFrontier( pTemp = pMan, nStepsMax );
Aig_ManStop( pTemp );
// pMan = Aig_ManReduceLaches( pMan, 1 );
// pMan = Aig_ManConstReduce( pMan, 1, 0 );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetimeMostFwd( Abc_Ntk_t * pNtk, int nMaxIters, int fVerbose )
{
extern Aig_Man_t * Saig_ManRetimeForward( Aig_Man_t * p, int nIters, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
// Aig_ManReduceLachesCount( pMan );
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Saig_ManRetimeForward( pTemp = pMan, nMaxIters, fVerbose );
Aig_ManStop( pTemp );
// pMan = Aig_ManReduceLaches( pMan, 1 );
// pMan = Aig_ManConstReduce( pMan, 1, 0 );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetimeMinArea( Abc_Ntk_t * pNtk, int nMaxIters, int fForwardOnly, int fBackwardOnly, int fInitial, int fVerbose )
{
extern Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnly, int fBackwardOnly, int fInitial, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Saig_ManRetimeMinArea( pTemp = pMan, nMaxIters, fForwardOnly, fBackwardOnly, fInitial, fVerbose );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetimeStep( Abc_Ntk_t * pNtk, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
Aig_ManPrintStats(pMan);
Saig_ManRetimeSteps( pMan, 1000, 1, 0 );
Aig_ManPrintStats(pMan);
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
/*
Abc_Ntk_t * Abc_NtkDarHaigRecord( Abc_Ntk_t * pNtk, int nIters, int nSteps, int fRetimingOnly, int fAddBugs, int fUseCnf, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
pMan = Saig_ManHaigRecord( pTemp = pMan, nIters, nSteps, fRetimingOnly, fAddBugs, fUseCnf, fVerbose );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
*/
/**Function*************************************************************
Synopsis [Performs random simulation.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarSeqSim( Abc_Ntk_t * pNtk, int nFrames, int nWords, int TimeOut, int fNew, int fMiter, int fVerbose, char * pFileSim )
{
Aig_Man_t * pMan;
Abc_Cex_t * pCex;
int status, RetValue = -1;
abctime clk = Abc_Clock();
if ( Abc_NtkGetChoiceNum(pNtk) )
{
Abc_Print( 1, "Removing %d choices from the AIG.\n", Abc_NtkGetChoiceNum(pNtk) );
Abc_AigCleanup((Abc_Aig_t *)pNtk->pManFunc);
}
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( fNew )
{
Gia_Man_t * pGia;
Gia_ParSim_t Pars, * pPars = &Pars;
Gia_ManSimSetDefaultParams( pPars );
pPars->nWords = nWords;
pPars->nIters = nFrames;
pPars->TimeLimit = TimeOut;
pPars->fCheckMiter = fMiter;
pPars->fVerbose = fVerbose;
pGia = Gia_ManFromAig( pMan );
if ( Gia_ManSimSimulate( pGia, pPars ) )
{
if ( pGia->pCexSeq )
{
Abc_Print( 1, "Simulation of %d frames with %d words asserted output %d in frame %d. ",
nFrames, nWords, pGia->pCexSeq->iPo, pGia->pCexSeq->iFrame );
status = Saig_ManVerifyCex( pMan, pGia->pCexSeq );
if ( status == 0 )
Abc_Print( 1, "Abc_NtkDarSeqSim(): Counter-example verification has FAILED.\n" );
}
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pGia->pCexSeq; pGia->pCexSeq = NULL;
RetValue = 0;
}
else
{
Abc_Print( 1, "Simulation of %d frames with %d words did not assert the outputs. ",
nFrames, nWords );
}
Gia_ManStop( pGia );
}
else // comb/seq simulator
{
Fra_Sml_t * pSml;
if ( pFileSim != NULL )
{
assert( Abc_NtkLatchNum(pNtk) == 0 );
pSml = Fra_SmlSimulateCombGiven( pMan, pFileSim, fMiter, fVerbose );
}
else if ( Abc_NtkLatchNum(pNtk) == 0 )
pSml = Fra_SmlSimulateComb( pMan, nWords, fMiter );
else
pSml = Fra_SmlSimulateSeq( pMan, 0, nFrames, nWords, fMiter );
if ( pSml->fNonConstOut )
{
pCex = Fra_SmlGetCounterExample( pSml );
if ( pCex )
{
Abc_Print( 1, "Simulation of %d frame%s with %d word%s asserted output %d in frame %d. ",
pSml->nFrames, pSml->nFrames == 1 ? "": "s",
pSml->nWordsFrame, pSml->nWordsFrame == 1 ? "": "s",
pCex->iPo, pCex->iFrame );
status = Saig_ManVerifyCex( pMan, pCex );
if ( status == 0 )
Abc_Print( 1, "Abc_NtkDarSeqSim(): Counter-example verification has FAILED.\n" );
}
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pCex;
RetValue = 0;
}
else
{
Abc_Print( 1, "Simulation of %d frames with %d words did not assert the outputs. ",
nFrames, nWords );
}
Fra_SmlStop( pSml );
}
ABC_PRT( "Time", Abc_Clock() - clk );
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Performs random simulation.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarSeqSim3( Abc_Ntk_t * pNtk, Ssw_RarPars_t * pPars )
{
Aig_Man_t * pMan;
int status, RetValue = -1;
// abctime clk = Abc_Clock();
if ( Abc_NtkGetChoiceNum(pNtk) )
{
Abc_Print( 1, "Removing %d choices from the AIG.\n", Abc_NtkGetChoiceNum(pNtk) );
Abc_AigCleanup((Abc_Aig_t *)pNtk->pManFunc);
}
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( Ssw_RarSimulate( pMan, pPars ) == 0 )
{
if ( pMan->pSeqModel )
{
// Abc_Print( 1, "Simulation of %d frames with %d words asserted output %d in frame %d. ",
// nFrames, nWords, pMan->pSeqModel->iPo, pMan->pSeqModel->iFrame );
status = Saig_ManVerifyCex( pMan, pMan->pSeqModel );
if ( status == 0 )
Abc_Print( 1, "Abc_NtkDarSeqSim(): Counter-example verification has FAILED.\n" );
}
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
RetValue = 0;
}
else
{
// Abc_Print( 1, "Simulation of %d frames with %d words did not assert the outputs. ",
// nFrames, nWords );
}
if ( pNtk->vSeqModelVec )
Vec_PtrFreeFree( pNtk->vSeqModelVec );
pNtk->vSeqModelVec = pMan->vSeqModelVec; pMan->vSeqModelVec = NULL;
// ABC_PRT( "Time", Abc_Clock() - clk );
pNtk->pData = pMan->pData; pMan->pData = NULL;
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarClau( Abc_Ntk_t * pNtk, int nFrames, int nPref, int nClauses, int nLutSize, int nLevels, int nCutsMax, int nBatches, int fStepUp, int fBmc, int fRefs, int fTarget, int fVerbose, int fVeryVerbose )
{
extern int Fra_Clau( Aig_Man_t * pMan, int nIters, int fVerbose, int fVeryVerbose );
extern int Fra_Claus( Aig_Man_t * pAig, int nFrames, int nPref, int nClauses, int nLutSize, int nLevels, int nCutsMax, int nBatches, int fStepUp, int fBmc, int fRefs, int fTarget, int fVerbose, int fVeryVerbose );
Aig_Man_t * pMan;
if ( fTarget && Abc_NtkPoNum(pNtk) != 1 )
{
Abc_Print( 1, "The number of outputs should be 1.\n" );
return 1;
}
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return 1;
// Aig_ManReduceLachesCount( pMan );
if ( pMan->vFlopNums )
Vec_IntFree( pMan->vFlopNums );
pMan->vFlopNums = NULL;
// Fra_Clau( pMan, nStepsMax, fVerbose, fVeryVerbose );
Fra_Claus( pMan, nFrames, nPref, nClauses, nLutSize, nLevels, nCutsMax, nBatches, fStepUp, fBmc, fRefs, fTarget, fVerbose, fVeryVerbose );
Aig_ManStop( pMan );
return 1;
}
/**Function*************************************************************
Synopsis [Performs targe enlargement.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarEnlarge( Abc_Ntk_t * pNtk, int nFrames, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Aig_ManFrames( pTemp = pMan, nFrames, 0, 1, 1, 1, NULL );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs targe enlargement.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarTempor( Abc_Ntk_t * pNtk, int nFrames, int TimeOut, int nConfLimit, int fUseBmc, int fUseTransSigs, int fVerbose, int fVeryVerbose )
{
extern Aig_Man_t * Saig_ManTempor( Aig_Man_t * pAig, int nFrames, int TimeOut, int nConfLimit, int fUseBmc, int fUseTransSigs, int fVerbose, int fVeryVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pTemp = Saig_ManTempor( pMan, nFrames, TimeOut, nConfLimit, fUseBmc, fUseTransSigs, fVerbose, fVeryVerbose );
Aig_ManStop( pMan );
if ( pTemp == NULL )
return Abc_NtkDup( pNtk );
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pTemp );
Aig_ManStop( pTemp );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs induction for property only.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarInduction( Abc_Ntk_t * pNtk, int nTimeOut, int nFramesMax, int nConfMax, int fUnique, int fUniqueAll, int fGetCex, int fVerbose, int fVeryVerbose )
{
Aig_Man_t * pMan;
abctime clkTotal = Abc_Clock();
int RetValue;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return -1;
RetValue = Saig_ManInduction( pMan, nTimeOut, nFramesMax, nConfMax, fUnique, fUniqueAll, fGetCex, fVerbose, fVeryVerbose );
if ( RetValue == 1 )
{
Abc_Print( 1, "Networks are equivalent. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
else if ( RetValue == 0 )
{
Abc_Print( 1, "Networks are NOT EQUIVALENT. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
else
{
Abc_Print( 1, "Networks are UNDECIDED. " );
ABC_PRT( "Time", Abc_Clock() - clkTotal );
}
if ( fGetCex )
{
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
}
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Interplates two networks.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkInterOne( Abc_Ntk_t * pNtkOn, Abc_Ntk_t * pNtkOff, int fRelation, int fVerbose )
{
extern Aig_Man_t * Aig_ManInter( Aig_Man_t * pManOn, Aig_Man_t * pManOff, int fRelation, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pManOn, * pManOff, * pManAig;
if ( Abc_NtkCoNum(pNtkOn) != 1 || Abc_NtkCoNum(pNtkOff) != 1 )
{
Abc_Print( 1, "Currently works only for single-output networks.\n" );
return NULL;
}
if ( Abc_NtkCiNum(pNtkOn) != Abc_NtkCiNum(pNtkOff) )
{
Abc_Print( 1, "The number of PIs should be the same.\n" );
return NULL;
}
// create internal AIGs
pManOn = Abc_NtkToDar( pNtkOn, 0, 0 );
if ( pManOn == NULL )
return NULL;
pManOff = Abc_NtkToDar( pNtkOff, 0, 0 );
if ( pManOff == NULL )
return NULL;
// derive the interpolant
pManAig = Aig_ManInter( pManOn, pManOff, fRelation, fVerbose );
if ( pManAig == NULL )
{
Abc_Print( 1, "Interpolant computation failed.\n" );
return NULL;
}
Aig_ManStop( pManOn );
Aig_ManStop( pManOff );
// for the relation, add an extra input
if ( fRelation )
{
Abc_Obj_t * pObj;
pObj = Abc_NtkCreatePi( pNtkOff );
Abc_ObjAssignName( pObj, "New", NULL );
}
// create logic network
pNtkAig = Abc_NtkFromDar( pNtkOff, pManAig );
Aig_ManStop( pManAig );
return pNtkAig;
}
Gia_Man_t * Gia_ManInterOne( Gia_Man_t * pNtkOn, Gia_Man_t * pNtkOff, int fVerbose )
{
extern Aig_Man_t * Aig_ManInter( Aig_Man_t * pManOn, Aig_Man_t * pManOff, int fRelation, int fVerbose );
Gia_Man_t * pNtkAig;
Aig_Man_t * pManOn, * pManOff, * pManAig;
assert( Gia_ManCiNum(pNtkOn) == Gia_ManCiNum(pNtkOff) );
assert( Gia_ManCoNum(pNtkOn) == 1 );
assert( Gia_ManCoNum(pNtkOff) == 1 );
// create internal AIGs
pManOn = Gia_ManToAigSimple( pNtkOn );
if ( pManOn == NULL )
return NULL;
pManOff = Gia_ManToAigSimple( pNtkOff );
if ( pManOff == NULL )
return NULL;
// derive the interpolant
pManAig = Aig_ManInter( pManOn, pManOff, 0, fVerbose );
if ( pManAig == NULL )
{
Abc_Print( 1, "Interpolant computation failed.\n" );
return NULL;
}
Aig_ManStop( pManOn );
Aig_ManStop( pManOff );
// create logic network
pNtkAig = Gia_ManFromAigSimple( pManAig );
Aig_ManStop( pManAig );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Fast interpolation.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkInterFast( Abc_Ntk_t * pNtkOn, Abc_Ntk_t * pNtkOff, int fVerbose )
{
extern void Aig_ManInterFast( Aig_Man_t * pManOn, Aig_Man_t * pManOff, int fVerbose );
Aig_Man_t * pManOn, * pManOff;
// create internal AIGs
pManOn = Abc_NtkToDar( pNtkOn, 0, 0 );
if ( pManOn == NULL )
return;
pManOff = Abc_NtkToDar( pNtkOff, 0, 0 );
if ( pManOff == NULL )
return;
Aig_ManInterFast( pManOn, pManOff, fVerbose );
Aig_ManStop( pManOn );
Aig_ManStop( pManOff );
}
abctime timeCnf;
abctime timeSat;
abctime timeInt;
/**Function*************************************************************
Synopsis [Interplates two networks.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkInter( Abc_Ntk_t * pNtkOn, Abc_Ntk_t * pNtkOff, int fRelation, int fVerbose )
{
Abc_Ntk_t * pNtkOn1, * pNtkOff1, * pNtkInter1, * pNtkInter;
Abc_Obj_t * pObj;
int i; //, clk = Abc_Clock();
if ( Abc_NtkCoNum(pNtkOn) != Abc_NtkCoNum(pNtkOff) )
{
Abc_Print( 1, "Currently works only for networks with equal number of POs.\n" );
return NULL;
}
// compute the fast interpolation time
// Abc_NtkInterFast( pNtkOn, pNtkOff, fVerbose );
// consider the case of one output
if ( Abc_NtkCoNum(pNtkOn) == 1 )
return Abc_NtkInterOne( pNtkOn, pNtkOff, fRelation, fVerbose );
// start the new network
pNtkInter = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtkInter->pName = Extra_UtilStrsav(pNtkOn->pName);
Abc_NtkForEachPi( pNtkOn, pObj, i )
Abc_NtkDupObj( pNtkInter, pObj, 1 );
// process each POs separately
timeCnf = 0;
timeSat = 0;
timeInt = 0;
Abc_NtkForEachCo( pNtkOn, pObj, i )
{
pNtkOn1 = Abc_NtkCreateCone( pNtkOn, Abc_ObjFanin0(pObj), Abc_ObjName(pObj), 1 );
if ( Abc_ObjFaninC0(pObj) )
Abc_ObjXorFaninC( Abc_NtkPo(pNtkOn1, 0), 0 );
pObj = Abc_NtkCo(pNtkOff, i);
pNtkOff1 = Abc_NtkCreateCone( pNtkOff, Abc_ObjFanin0(pObj), Abc_ObjName(pObj), 1 );
if ( Abc_ObjFaninC0(pObj) )
Abc_ObjXorFaninC( Abc_NtkPo(pNtkOff1, 0), 0 );
if ( Abc_NtkNodeNum(pNtkOn1) == 0 )
pNtkInter1 = Abc_NtkDup( pNtkOn1 );
else if ( Abc_NtkNodeNum(pNtkOff1) == 0 )
{
pNtkInter1 = Abc_NtkDup( pNtkOff1 );
Abc_ObjXorFaninC( Abc_NtkPo(pNtkInter1, 0), 0 );
}
else
pNtkInter1 = Abc_NtkInterOne( pNtkOn1, pNtkOff1, 0, fVerbose );
if ( pNtkInter1 )
{
Abc_NtkAppend( pNtkInter, pNtkInter1, 1 );
Abc_NtkDelete( pNtkInter1 );
}
Abc_NtkDelete( pNtkOn1 );
Abc_NtkDelete( pNtkOff1 );
}
// ABC_PRT( "CNF", timeCnf );
// ABC_PRT( "SAT", timeSat );
// ABC_PRT( "Int", timeInt );
// ABC_PRT( "Slow interpolation time", Abc_Clock() - clk );
// return the network
if ( !Abc_NtkCheck( pNtkInter ) )
Abc_Print( 1, "Abc_NtkAttachBottom(): Network check has failed.\n" );
return pNtkInter;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkPrintSccs( Abc_Ntk_t * pNtk, int fVerbose )
{
// extern Vec_Ptr_t * Aig_ManRegPartitionLinear( Aig_Man_t * pAig, int nPartSize );
Aig_Man_t * pMan;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return;
Aig_ManComputeSccs( pMan );
// Aig_ManRegPartitionLinear( pMan, 1000 );
Aig_ManStop( pMan );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarPrintCone( Abc_Ntk_t * pNtk )
{
extern void Saig_ManPrintCones( Aig_Man_t * pAig );
Aig_Man_t * pMan;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return 0;
assert( Aig_ManRegNum(pMan) > 0 );
Saig_ManPrintCones( pMan );
Aig_ManStop( pMan );
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkBalanceExor( Abc_Ntk_t * pNtk, int fUpdateLevel, int fVerbose )
{
extern void Dar_BalancePrintStats( Aig_Man_t * p );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;//, * pTemp2;
assert( Abc_NtkIsStrash(pNtk) );
// derive AIG with EXORs
pMan = Abc_NtkToDar( pNtk, 1, 0 );
if ( pMan == NULL )
return NULL;
// Aig_ManPrintStats( pMan );
if ( fVerbose )
Dar_BalancePrintStats( pMan );
// perform balancing
pTemp = Dar_ManBalance( pMan, fUpdateLevel );
// Aig_ManPrintStats( pTemp );
// create logic network
pNtkAig = Abc_NtkFromDar( pNtk, pTemp );
Aig_ManStop( pTemp );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkPhaseAbstract( Abc_Ntk_t * pNtk, int nFrames, int nPref, int fIgnore, int fPrint, int fVerbose )
{
extern Aig_Man_t * Saig_ManPhaseAbstract( Aig_Man_t * p, Vec_Int_t * vInits, int nFrames, int nPref, int fIgnore, int fPrint, int fVerbose );
Vec_Int_t * vInits;
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
vInits = Abc_NtkGetLatchValues(pNtk);
pMan = Saig_ManPhaseAbstract( pTemp = pMan, vInits, nFrames, nPref, fIgnore, fPrint, fVerbose );
Vec_IntFree( vInits );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
// pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
// pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkPhaseFrameNum( Abc_Ntk_t * pNtk )
{
extern int Saig_ManPhaseFrameNum( Aig_Man_t * p, Vec_Int_t * vInits );
Vec_Int_t * vInits;
Aig_Man_t * pMan;
int nFrames;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return 1;
vInits = Abc_NtkGetLatchValues(pNtk);
nFrames = Saig_ManPhaseFrameNum( pMan, vInits );
Vec_IntFree( vInits );
Aig_ManStop( pMan );
return nFrames;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarSynchOne( Abc_Ntk_t * pNtk, int nWords, int fVerbose )
{
extern Aig_Man_t * Saig_SynchSequenceApply( Aig_Man_t * pAig, int nWords, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Saig_SynchSequenceApply( pTemp = pMan, nWords, fVerbose );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarSynch( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int nWords, int fVerbose )
{
extern Aig_Man_t * Saig_Synchronize( Aig_Man_t * pAig1, Aig_Man_t * pAig2, int nWords, int fVerbose );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan1, * pMan2, * pMan;
pMan1 = Abc_NtkToDar( pNtk1, 0, 1 );
if ( pMan1 == NULL )
return NULL;
pMan2 = Abc_NtkToDar( pNtk2, 0, 1 );
if ( pMan2 == NULL )
{
Aig_ManStop( pMan1 );
return NULL;
}
pMan = Saig_Synchronize( pMan1, pMan2, nWords, fVerbose );
Aig_ManStop( pMan1 );
Aig_ManStop( pMan2 );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
// pNtkAig->pName = Extra_UtilStrsav("miter");
// pNtkAig->pSpec = NULL;
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarClockGate( Abc_Ntk_t * pNtk, Abc_Ntk_t * pCare, Cgt_Par_t * pPars )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan1, * pMan2 = NULL, * pMan;
pMan1 = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan1 == NULL )
return NULL;
if ( pCare )
{
pMan2 = Abc_NtkToDar( pCare, 0, 0 );
if ( pMan2 == NULL )
{
Aig_ManStop( pMan1 );
return NULL;
}
}
pMan = Cgt_ClockGating( pMan1, pMan2, pPars );
Aig_ManStop( pMan1 );
if ( pMan2 )
Aig_ManStop( pMan2 );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarExtWin( Abc_Ntk_t * pNtk, int nObjId, int nDist, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan1, * pMan;
Aig_Obj_t * pObj;
pMan1 = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan1 == NULL )
return NULL;
if ( nObjId == -1 )
{
pObj = Saig_ManFindPivot( pMan1 );
Abc_Print( 1, "Selected object %d as a window pivot.\n", pObj->Id );
}
else
{
if ( nObjId >= Aig_ManObjNumMax(pMan1) )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "The ID is too large.\n" );
return NULL;
}
pObj = Aig_ManObj( pMan1, nObjId );
if ( pObj == NULL )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "Object with ID %d does not exist.\n", nObjId );
return NULL;
}
if ( !Saig_ObjIsLo(pMan1, pObj) && !Aig_ObjIsNode(pObj) )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "Object with ID %d is not a node or reg output.\n", nObjId );
return NULL;
}
}
pMan = Saig_ManWindowExtract( pMan1, pObj, nDist );
Aig_ManStop( pMan1 );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarInsWin( Abc_Ntk_t * pNtk, Abc_Ntk_t * pCare, int nObjId, int nDist, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan1, * pMan2 = NULL, * pMan;
Aig_Obj_t * pObj;
pMan1 = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan1 == NULL )
return NULL;
if ( nObjId == -1 )
{
pObj = Saig_ManFindPivot( pMan1 );
Abc_Print( 1, "Selected object %d as a window pivot.\n", pObj->Id );
}
else
{
if ( nObjId >= Aig_ManObjNumMax(pMan1) )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "The ID is too large.\n" );
return NULL;
}
pObj = Aig_ManObj( pMan1, nObjId );
if ( pObj == NULL )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "Object with ID %d does not exist.\n", nObjId );
return NULL;
}
if ( !Saig_ObjIsLo(pMan1, pObj) && !Aig_ObjIsNode(pObj) )
{
Aig_ManStop( pMan1 );
Abc_Print( 1, "Object with ID %d is not a node or reg output.\n", nObjId );
return NULL;
}
}
if ( pCare )
{
pMan2 = Abc_NtkToDar( pCare, 0, 0 );
if ( pMan2 == NULL )
{
Aig_ManStop( pMan1 );
return NULL;
}
}
pMan = Saig_ManWindowInsert( pMan1, pObj, nDist, pMan2 );
Aig_ManStop( pMan1 );
if ( pMan2 )
Aig_ManStop( pMan2 );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarFrames( Abc_Ntk_t * pNtk, int nPrefix, int nFrames, int fInit, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Saig_ManTimeframeSimplify( pTemp = pMan, nPrefix, nFrames, fInit, fVerbose );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs phase abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarCleanupAig( Abc_Ntk_t * pNtk, int fCleanupPis, int fCleanupPos, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( fCleanupPis )
{
int Temp = Aig_ManCiCleanup( pMan );
if ( fVerbose )
Abc_Print( 1, "Cleanup removed %d primary inputs without fanout.\n", Temp );
}
if ( fCleanupPos )
{
int Temp = Aig_ManCoCleanup( pMan );
if ( fVerbose )
Abc_Print( 1, "Cleanup removed %d primary outputs driven by const-0.\n", Temp );
}
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarReach( Abc_Ntk_t * pNtk, Saig_ParBbr_t * pPars )
{
Aig_Man_t * pMan;
int RetValue;
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return -1;
RetValue = Aig_ManVerifyUsingBdds( pMan, pPars );
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
Aig_ManStop( pMan );
return RetValue;
}
ABC_NAMESPACE_IMPL_END
#include "map/amap/amap.h"
#include "map/mio/mio.h"
ABC_NAMESPACE_IMPL_START
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Amap_ManProduceNetwork( Abc_Ntk_t * pNtk, Vec_Ptr_t * vMapping )
{
// extern void * Abc_FrameReadLibGen();
Mio_Library_t * pLib = (Mio_Library_t *)Abc_FrameReadLibGen();
Amap_Out_t * pRes;
Vec_Ptr_t * vNodesNew;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pNodeNew, * pFaninNew;
int i, k, iPis, iPos, nDupGates;
// make sure gates exist in the current library
Vec_PtrForEachEntry( Amap_Out_t *, vMapping, pRes, i )
if ( pRes->pName && Mio_LibraryReadGateByName( pLib, pRes->pName, NULL ) == NULL )
{
Abc_Print( 1, "Current library does not contain gate \"%s\".\n", pRes->pName );
return NULL;
}
// create the network
pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_MAP );
pNtkNew->pManFunc = pLib;
iPis = iPos = 0;
vNodesNew = Vec_PtrAlloc( Vec_PtrSize(vMapping) );
Vec_PtrForEachEntry( Amap_Out_t *, vMapping, pRes, i )
{
if ( pRes->Type == -1 )
pNodeNew = Abc_NtkCi( pNtkNew, iPis++ );
else if ( pRes->Type == 1 )
pNodeNew = Abc_NtkCo( pNtkNew, iPos++ );
else
{
pNodeNew = Abc_NtkCreateNode( pNtkNew );
pNodeNew->pData = Mio_LibraryReadGateByName( pLib, pRes->pName, NULL );
}
for ( k = 0; k < pRes->nFans; k++ )
{
pFaninNew = (Abc_Obj_t *)Vec_PtrEntry( vNodesNew, pRes->pFans[k] );
Abc_ObjAddFanin( pNodeNew, pFaninNew );
}
Vec_PtrPush( vNodesNew, pNodeNew );
}
Vec_PtrFree( vNodesNew );
assert( iPis == Abc_NtkCiNum(pNtkNew) );
assert( iPos == Abc_NtkCoNum(pNtkNew) );
// decouple the PO driver nodes to reduce the number of levels
nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 0 );
// if ( nDupGates && Map_ManReadVerbose(pMan) )
// Abc_Print( 1, "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
return pNtkNew;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarAmap( Abc_Ntk_t * pNtk, Amap_Par_t * pPars )
{
extern Vec_Ptr_t * Amap_ManTest( Aig_Man_t * pAig, Amap_Par_t * pPars );
Vec_Ptr_t * vMapping;
Abc_Ntk_t * pNtkAig = NULL;
Aig_Man_t * pMan;
Aig_MmFlex_t * pMem;
assert( Abc_NtkIsStrash(pNtk) );
// convert to the AIG manager
pMan = Abc_NtkToDarChoices( pNtk );
if ( pMan == NULL )
return NULL;
// perform computation
vMapping = Amap_ManTest( pMan, pPars );
Aig_ManStop( pMan );
if ( vMapping == NULL )
return NULL;
pMem = (Aig_MmFlex_t *)Vec_PtrPop( vMapping );
pNtkAig = Amap_ManProduceNetwork( pNtk, vMapping );
Aig_MmFlexStop( pMem, 0 );
Vec_PtrFree( vMapping );
// make sure everything is okay
if ( pNtkAig && !Abc_NtkCheck( pNtkAig ) )
{
Abc_Print( 1, "Abc_NtkDar: The network check has failed.\n" );
Abc_NtkDelete( pNtkAig );
return NULL;
}
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDarConstr( Abc_Ntk_t * pNtk, int nFrames, int nConfs, int nProps, int fStruct, int fOldAlgo, int fVerbose )
{
Aig_Man_t * pMan;//, * pMan2;//, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return;
if ( fStruct )
Saig_ManDetectConstrTest( pMan );
else
Saig_ManDetectConstrFuncTest( pMan, nFrames, nConfs, nProps, fOldAlgo, fVerbose );
Aig_ManStop( pMan );
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarOutdec( Abc_Ntk_t * pNtk, int nLits, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Saig_ManDecPropertyOutput( pTemp = pMan, nLits, fVerbose );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pMan->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pMan->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarUnfold( Abc_Ntk_t * pNtk, int nFrames, int nConfs, int nProps, int fStruct, int fOldAlgo, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
if ( fStruct )
pMan = Saig_ManDupUnfoldConstrs( pTemp = pMan );
else
pMan = Saig_ManDupUnfoldConstrsFunc( pTemp = pMan, nFrames, nConfs, nProps, fOldAlgo, fVerbose );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pMan->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pMan->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarFold( Abc_Ntk_t * pNtk, int fCompl, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
pMan = Saig_ManDupFoldConstrsFunc( pTemp = pMan, fCompl, fVerbose );
Aig_ManStop( pTemp );
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pMan->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pMan->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDarConstrProfile( Abc_Ntk_t * pNtk, int fVerbose )
{
extern int Ssw_ManProfileConstraints( Aig_Man_t * p, int nWords, int nFrames, int fVerbose );
extern Vec_Int_t * Saig_ManComputeSwitchProbs( Aig_Man_t * p, int nFrames, int nPref, int fProbOne );
Aig_Man_t * pMan;
// Vec_Int_t * vProbOne;
// Aig_Obj_t * pObj;
// int i, Entry;
assert( Abc_NtkIsStrash(pNtk) );
assert( Abc_NtkConstrNum(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return;
// value in the init state
// Abc_AigSetNodePhases( pNtk );
/*
// derive probabilities
vProbOne = Saig_ManComputeSwitchProbs( pMan, 48, 16, 1 );
// iterate over the constraint outputs
Saig_ManForEachPo( pMan, pObj, i )
{
Entry = Vec_IntEntry( vProbOne, Aig_ObjId(pObj) );
if ( i < Saig_ManPoNum(pMan) - Saig_ManConstrNum(pMan) )
Abc_Print( 1, "Primary output : ", i );
else
Abc_Print( 1, "Constraint %3d : ", i-(Saig_ManPoNum(pMan) - Saig_ManConstrNum(pMan)) );
Abc_Print( 1, "ProbOne = %f ", Abc_Int2Float(Entry) );
Abc_Print( 1, "AllZeroValue = %d ", Aig_ObjPhase(pObj) );
Abc_Print( 1, "\n" );
}
*/
// double-check
Ssw_ManProfileConstraints( pMan, 16, 64, 1 );
Abc_Print( 1, "TwoFrameSatValue = %d.\n", Ssw_ManSetConstrPhases(pMan, 2, NULL) );
// clean up
// Vec_IntFree( vProbOne );
Aig_ManStop( pMan );
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDarTest( Abc_Ntk_t * pNtk, int Num )
{
// extern void Saig_ManDetectConstr( Aig_Man_t * p );
// extern void Saig_ManDetectConstrFuncTest( Aig_Man_t * p );
// extern void Saig_ManFoldConstrTest( Aig_Man_t * pAig );
extern void Llb_ManComputeDomsTest( Aig_Man_t * pAig, int Num );
// extern void Fsim_ManTest( Aig_Man_t * pAig );
extern Vec_Int_t * Saig_StrSimPerformMatching( Aig_Man_t * p0, Aig_Man_t * p1, int nDist, int fVerbose, Aig_Man_t ** ppMiter );
// Vec_Int_t * vPairs;
Aig_Man_t * pMan;//, * pMan2;//, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return;
/*
Aig_ManSetRegNum( pMan, pMan->nRegs );
Aig_ManPrintStats( pMan );
Saig_ManDumpBlif( pMan, "_temp_.blif" );
Aig_ManStop( pMan );
pMan = Saig_ManReadBlif( "_temp_.blif" );
Aig_ManPrintStats( pMan );
*/
/*
Aig_ManSetRegNum( pMan, pMan->nRegs );
pTemp = Ssw_SignalCorrespondeceTestPairs( pMan );
Aig_ManStop( pTemp );
*/
/*
// Ssw_SecSpecialMiter( pMan, NULL, 2, 1 );
pMan2 = Aig_ManDupSimple(pMan);
vPairs = Saig_StrSimPerformMatching( pMan, pMan2, 0, 1, NULL );
Vec_IntFree( vPairs );
Aig_ManStop( pMan );
Aig_ManStop( pMan2 );
*/
// Ioa_WriteAigerBufferTest( pMan, "test.aig", 0, 0 );
// Saig_ManFoldConstrTest( pMan );
{
extern void Saig_ManBmcSectionsTest( Aig_Man_t * p );
extern void Saig_ManBmcTerSimTest( Aig_Man_t * p );
extern void Saig_ManBmcSupergateTest( Aig_Man_t * p );
extern void Saig_ManBmcMappingTest( Aig_Man_t * p );
// Saig_ManBmcSectionsTest( pMan );
// Saig_ManBmcTerSimTest( pMan );
// Saig_ManBmcSupergateTest( pMan );
// Saig_ManBmcMappingTest( pMan );
}
{
// void Pdr_ManEquivClasses( Aig_Man_t * pMan );
// Pdr_ManEquivClasses( pMan );
}
// Llb_ManComputeDomsTest( pMan, Num );
{
extern void Llb_ManMinCutTest( Aig_Man_t * pMan, int Num );
extern void Llb_BddStructAnalysis( Aig_Man_t * pMan );
extern void Llb_NonlinExperiment( Aig_Man_t * pAig, int Num );
// Llb_BddStructAnalysis( pMan );
// Llb_ManMinCutTest( pMan, Num );
// Llb_NonlinExperiment( pMan, Num );
}
// Saig_MvManSimulate( pMan, 1 );
// Saig_ManDetectConstr( pMan );
// Saig_ManDetectConstrFuncTest( pMan );
// Fsim_ManTest( pMan );
Aig_ManStop( pMan );
}
/**Function*************************************************************
Synopsis [Performs BDD-based reachability analysis.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkDarTestNtk( Abc_Ntk_t * pNtk )
{
// extern Aig_Man_t * Saig_ManDualRail( Aig_Man_t * p, int fMiter );
/*
extern Aig_Man_t * Ssw_SignalCorrespondeceTestPairs( Aig_Man_t * pAig );
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
Aig_ManSetRegNum( pMan, pMan->nRegs );
pMan = Ssw_SignalCorrespondeceTestPairs( pTemp = pMan );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
return pNtkAig;
*/
Abc_Ntk_t * pNtkAig;
Aig_Man_t * pMan;//, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( pMan == NULL )
return NULL;
/*
Aig_ManSetRegNum( pMan, pMan->nRegs );
pMan = Saig_ManDualRail( pTemp = pMan, 1 );
Aig_ManStop( pTemp );
if ( pMan == NULL )
return NULL;
pNtkAig = Abc_NtkFromAigPhase( pMan );
pNtkAig->pName = Extra_UtilStrsav(pNtk->pName);
pNtkAig->pSpec = Extra_UtilStrsav(pNtk->pSpec);
Aig_ManStop( pMan );
*/
pNtkAig = Abc_NtkFromDar( pNtk, pMan );
Aig_ManStop( pMan );
return pNtkAig;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
#include "abcDarUnfold2.c"
ABC_NAMESPACE_IMPL_END
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