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Commit aec5d338 by Alan Mishchenko
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Backward reachability using circuit cofactoring.

parent 1e20e2cc
Showing with 475 additions and 5 deletions
abclib.dsp
......@@ -4023,6 +4023,10 @@ SOURCE=.\src\aig\gia\giaBidec.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaCCof.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaCof.c
# End Source File
# Begin Source File
......
src/aig/gia/giaAbsVta.c
......@@ -212,7 +212,7 @@ void Vga_ManGrow( Vta_Man_t * p, int fThis )
static int PrevF = -1;
Gia_Obj_t * pObj, * pObj2;
int Beg, End, One, i, c, f, iOutVar, nClauses;
assert( ++PrevF == f );
assert( ++PrevF == fThis );
assert( fThis >= 0 && fThis < p->nFramesMax );
// create variable for the output
......@@ -435,10 +435,15 @@ Vec_Int_t * Gia_VtaCollect( Gia_Man_t * p, Vec_Int_t ** pvFraLims, Vec_Int_t **
Gia_ManForEachPo( p, pObj, i )
Vec_IntPush( vRoots, Gia_ObjId(p, pObj) );
// collects nodes/flops
vFraLims = Vec_IntAlloc( 1000 );
// start order
vOrder = Vec_IntAlloc( Gia_ManObjNum(p) );
Vec_IntPush( vOrder, -1 );
// start limits
vFraLims = Vec_IntAlloc( 1000 );
Vec_IntPush( vFraLims, Vec_IntSize(vOrder) );
// collect new nodes
StopPoint = Vec_IntSize(vRoots);
Gia_ManForEachObjVec( vRoots, p, pObj, i )
{
......@@ -487,6 +492,7 @@ Gia_Man_t * Gia_VtaTest( Gia_Man_t * p )
{
Vec_Int_t * vOrder, * vFraLims, * vRoots;
Gia_Man_t * pCopy;
int i, Entry;
// the new AIG orders flops and PIs in the "natural" order
vOrder = Gia_VtaCollect( p, &vFraLims, &vRoots );
......@@ -497,6 +503,10 @@ Gia_Man_t * Gia_VtaTest( Gia_Man_t * p )
Gia_ManObjNum(p) - Gia_ManCoNum(p) - Vec_IntSize(vOrder),
Vec_IntSize(vFraLims) - 1 );
Vec_IntForEachEntry( vFraLims, Entry, i )
printf( "%d=%d ", i, Entry );
printf( "\n" );
pCopy = Gia_VtaDup( p, vOrder );
// Gia_ManStopP( &pCopy );
......
src/aig/gia/giaFrames.c
......@@ -37,12 +37,364 @@ struct Gia_ManFra_t_
Vec_Ptr_t * vOuts; // outputs of each timeframe
};
typedef struct Gia_ManUnr_t_ Gia_ManUnr_t;
struct Gia_ManUnr_t_
{
Gia_ParFra_t * pPars; // parameters
Gia_Man_t * pAig; // AIG to unroll (points to pOrder)
// internal data
Gia_Man_t * pOrder; // AIG reordered (points to pAig)
Vec_Int_t * vLimit; // limits of each timeframe
// data for each ordered node
Vec_Int_t * vRank; // rank of each node
Vec_Int_t * vDegree; // degree of each node
Vec_Int_t * vDegDiff; // degree of each node
Vec_Int_t * vFirst; // first entry in the store
Vec_Int_t * vStore; // store for saved data
};
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Duplicates AIG for unrolling.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ManUnrDup_rec( Gia_Man_t * pNew, Gia_Obj_t * pObj, int Id )
{
if ( ~pObj->Value )
return;
if ( Gia_ObjIsCi(pObj) )
pObj->Value = Gia_ManAppendCi(pNew);
else if ( Gia_ObjIsCo(pObj) )
{
Gia_ManUnrDup_rec( pNew, Gia_ObjFanin0(pObj), Gia_ObjFaninId0(pObj, Id) );
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
}
else if ( Gia_ObjIsAnd(pObj) )
{
Gia_ManUnrDup_rec( pNew, Gia_ObjFanin0(pObj), Gia_ObjFaninId0(pObj, Id) );
Gia_ManUnrDup_rec( pNew, Gia_ObjFanin1(pObj), Gia_ObjFaninId1(pObj, Id) );
pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
}
else assert( 0 );
Gia_ManObj(pNew, Gia_Lit2Var(pObj->Value))->Value = Id;
}
/**Function*************************************************************
Synopsis [Duplicates AIG for unrolling.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManUnrDup( Gia_Man_t * p, Vec_Int_t * vLimit )
{
Gia_Man_t * pNew;
Gia_Obj_t * pObj;
int i;
assert( Vec_IntSize(vLimit) == 0 );
pNew = Gia_ManStart( Gia_ManObjNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
// save constant class
Gia_ManFillValue( p );
Gia_ManConst0(p)->Value = 0;
Vec_IntPush( vLimit, Gia_ManObjNum(pNew) );
// create first class
Gia_ManForEachPo( p, pObj, i )
Gia_ManUnrDup_rec( pNew, pObj, Gia_ObjId(p, pObj) );
Vec_IntPush( vLimit, Gia_ManObjNum(pNew) );
// create next classes
for ( i = 1; i < Gia_ManObjNum(pNew); i++ )
{
if ( i == Vec_IntEntryLast(vLimit) )
Vec_IntPush( vLimit, Gia_ManObjNum(pNew) );
pObj = Gia_ManObj( p, Gia_ManObj(pNew, i)->Value );
if ( Gia_ObjIsRo(p, pObj) )
{
pObj = Gia_ObjRoToRi(p, pObj);
assert( !~pObj->Value );
Gia_ManUnrDup_rec( pNew, pObj, Gia_ObjId(p, pObj) );
}
}
Gia_ManSetRegNum( pNew, 0 );
return pNew;
}
/**Function*************************************************************
Synopsis [Creates manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_ManUnr_t * Gia_ManUnrStart( Gia_Man_t * pAig, Gia_ParFra_t * pPars )
{
Gia_ManUnr_t * p;
Gia_Obj_t * pObj;
int i, k, iRank, iFanin, Degree, Shift;
p = ABC_CALLOC( Gia_ManUnr_t, 1 );
p->pAig = pAig;
p->pPars = pPars;
// create order
p->vLimit = Vec_IntAlloc( 0 );
p->pOrder = Gia_ManUnrDup( pAig, p->vLimit );
/*
Vec_IntForEachEntryStart( p->vLimit, Shift, i, 1 )
printf( "%d=%d ", i, Shift-Vec_IntEntry(p->vLimit, i-1) );
printf( "\n" );
*/
// assign rank
p->vRank = Vec_IntAlloc( Gia_ManObjNum(p->pOrder) );
for ( iRank = i = 0; i < Gia_ManObjNum(p->pOrder); Vec_IntPush(p->vRank, iRank), i++ )
if ( Vec_IntEntry(p->vLimit, iRank) == i )
iRank++;
assert( iRank == Vec_IntSize(p->vLimit)-1 );
assert( Vec_IntSize(p->vRank) == Gia_ManObjNum(p->pOrder) );
// assign degree
p->vDegree = Vec_IntStart( Gia_ManObjNum(p->pOrder) );
p->vDegDiff= Vec_IntStart( 2* Gia_ManObjNum(p->pOrder) );
Gia_ManForEachAnd( p->pOrder, pObj, i )
{
for ( k = 0; k < 2; k++ )
{
iFanin = k ? Gia_ObjFaninId1(pObj, i) : Gia_ObjFaninId0(pObj, i);
Degree = Vec_IntEntry(p->vRank, i) - Vec_IntEntry(p->vRank, iFanin);
Vec_IntWriteEntry( p->vDegDiff, 2*i + k, Degree );
if ( Vec_IntEntry(p->vDegree, iFanin) < Degree )
Vec_IntWriteEntry( p->vDegree, iFanin, Degree );
}
}
Gia_ManForEachCo( p->pOrder, pObj, k )
{
i = Gia_ObjId( p->pOrder, pObj );
iFanin = Gia_ObjFaninId0(pObj, i);
Degree = Vec_IntEntry(p->vRank, i) - Vec_IntEntry(p->vRank, iFanin);
Vec_IntWriteEntry( p->vDegDiff, 2*i, Degree );
if ( Vec_IntEntry(p->vDegree, iFanin) < Degree )
Vec_IntWriteEntry( p->vDegree, iFanin, Degree );
}
// assign first
p->vFirst = Vec_IntAlloc( Gia_ManObjNum(p->pOrder) );
p->vStore = Vec_IntStartFull( 2* Gia_ManObjNum(p->pOrder) + Vec_IntSum(p->vDegree) );
for ( Shift = i = 0; i < Gia_ManObjNum(p->pOrder); i++ )
{
Vec_IntPush( p->vFirst, Shift );
Vec_IntWriteEntry( p->vStore, Shift, 1 + Vec_IntEntry(p->vDegree, i) );
Shift += 2 + Vec_IntEntry(p->vDegree, i);
}
assert( Shift == Vec_IntSize(p->vStore) );
// cleanup
Vec_IntFreeP( &p->vRank );
Vec_IntFreeP( &p->vDegree );
return p;
}
/**Function*************************************************************
Synopsis [Deletes manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ManUnrStop( Gia_ManUnr_t * p )
{
Gia_ManStopP( &p->pOrder );
Vec_IntFreeP( &p->vLimit );
Vec_IntFreeP( &p->vRank );
Vec_IntFreeP( &p->vDegree );
Vec_IntFreeP( &p->vDegDiff );
Vec_IntFreeP( &p->vFirst );
Vec_IntFreeP( &p->vStore );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Reading/writing entry from storage.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline void Gia_ObjUnrWrite( Gia_ManUnr_t * p, int Id, int Entry )
{
int i, * pArray = Vec_IntEntryP( p->vStore, Vec_IntEntry(p->vFirst, Id) );
for ( i = pArray[0]; i > 1; i-- )
pArray[i] = pArray[i-1];
pArray[1] = Entry;
}
static inline int Gia_ObjUnrRead( Gia_ManUnr_t * p, int Id, int Degree )
{
int * pArray = Vec_IntEntryP( p->vStore, Vec_IntEntry(p->vFirst, Id) );
if ( Id == 0 )
return 0;
assert( Degree >= 0 && Degree < pArray[0] );
if ( Degree )
Degree--;
return pArray[Degree + 1];
}
static inline int Gia_ObjUnrReadCopy0( Gia_ManUnr_t * p, Gia_Obj_t * pObj, int Id )
{
int Lit = Gia_ObjUnrRead(p, Gia_ObjFaninId0(pObj, Id), Vec_IntEntry(p->vDegDiff, 2*Id));
return Gia_LitNotCond( Lit, Gia_ObjFaninC0(pObj) );
}
static inline int Gia_ObjUnrReadCopy1( Gia_ManUnr_t * p, Gia_Obj_t * pObj, int Id )
{
int Lit = Gia_ObjUnrRead(p, Gia_ObjFaninId1(pObj, Id), Vec_IntEntry(p->vDegDiff, 2*Id+1));
return Gia_LitNotCond( Lit, Gia_ObjFaninC1(pObj) );
}
static inline int Gia_ObjUnrReadCi( Gia_ManUnr_t * p, int Id, int f, Gia_Man_t * pNew )
{
Gia_Obj_t * pObj = Gia_ManObj( p->pOrder, Id );
Gia_Obj_t * pObjReal = Gia_ManObj( p->pAig, pObj->Value );
assert( Gia_ObjIsCi(pObjReal) );
if ( Gia_ObjIsPi(p->pAig, pObjReal) )
{
pObj = Gia_ManPi( pNew, Gia_ManPiNum(p->pAig) * f + Gia_ObjCioId(pObjReal) );
return Gia_Var2Lit( Gia_ObjId(pNew, pObj), 0 );
}
if ( f == 0 ) // initialize!
{
if ( p->pPars->fInit )
return 0;
assert( Gia_ObjCioId(pObjReal) >= Gia_ManPiNum(p->pAig) );
pObj = Gia_ManPi( pNew, Gia_ManPiNum(p->pAig) * p->pPars->nFrames + Gia_ObjCioId(pObjReal)-Gia_ManPiNum(p->pAig) );
return Gia_Var2Lit( Gia_ObjId(pNew, pObj), 0 );
}
pObj = Gia_ManObj( p->pOrder, Gia_Lit2Var(Gia_ObjRoToRi(p->pAig, pObjReal)->Value) );
assert( Gia_ObjIsCo(pObj) );
return Gia_ObjUnrRead( p, Gia_ObjId(p->pOrder, pObj), 0 );
}
/**Function*************************************************************
Synopsis [Computes init/non-init unrolling without flops.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManUnroll( Gia_ManUnr_t * p )
{
Gia_Man_t * pNew, * pTemp;
Gia_Obj_t * pObj;
int fMax, f, i, Lit, Beg, End;
// start timeframes
pNew = Gia_ManStart( 10000 );
pNew->pName = Gia_UtilStrsav( p->pAig->pName );
Gia_ManHashAlloc( pNew );
// create combinational inputs
for ( f = 0; f < p->pPars->nFrames; f++ )
for ( i = 0; i < Gia_ManPiNum(p->pAig); i++ )
Gia_ManAppendCi(pNew);
if ( !p->pPars->fInit )
for ( i = 0; i < Gia_ManRegNum(p->pAig); i++ )
Gia_ManAppendCi(pNew);
// add nodes to each time-frame
// Gia_ObjUnrWrite( p, 0, 0 );
for ( fMax = 1; fMax <= p->pPars->nFrames; fMax++ )
for ( f = 0; f < fMax; f++ )
{
if ( Vec_IntSize(p->vLimit) <= fMax-f )
continue;
Beg = Vec_IntEntry( p->vLimit, fMax-f-1 );
End = Vec_IntEntry( p->vLimit, fMax-f );
for ( i = Beg; i < End; i++ )
{
pObj = Gia_ManObj( p->pOrder, i );
if ( Gia_ObjIsAnd(pObj) )
Lit = Gia_ManHashAnd( pNew, Gia_ObjUnrReadCopy0(p, pObj, i), Gia_ObjUnrReadCopy1(p, pObj, i) );
else if ( Gia_ObjIsCo(pObj) )
{
Lit = Gia_ObjUnrReadCopy0(p, pObj, i);
if ( f == fMax-1 )
Gia_ManAppendCo( pNew, Lit );
}
else if ( Gia_ObjIsCi(pObj) )
Lit = Gia_ObjUnrReadCi( p, i, f, pNew );
else assert( 0 );
assert( Lit >= 0 );
Gia_ObjUnrWrite( p, i, Lit ); // should be exactly one call for each obj!
}
}
assert( Gia_ManPoNum(pNew) == p->pPars->nFrames * Gia_ManPoNum(p->pAig) );
Gia_ManHashStop( pNew );
Gia_ManSetRegNum( pNew, 0 );
// Gia_ManPrintStats( pNew, 0 );
// cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
// Gia_ManPrintStats( pNew, 0 );
return pNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManFrames2( Gia_Man_t * pAig, Gia_ParFra_t * pPars )
{
Gia_ManUnr_t * p;
Gia_Man_t * pNew = NULL;
int clk = clock();
p = Gia_ManUnrStart( pAig, pPars );
pNew = Gia_ManUnroll( p );
if ( pPars->fVerbose )
printf( "Convergence = %d. Dangling objects = %d. Average degree = %.3f ",
Vec_IntSize(p->vLimit) - 1,
Gia_ManObjNum(pAig) - Gia_ManObjNum(p->pOrder),
1.0*Vec_IntSize(p->vStore)/Gia_ManObjNum(p->pOrder) - 1.0 );
Gia_ManUnrStop( p );
if ( pPars->fVerbose )
Abc_PrintTime( 1, "Time", clock() - clk );
return pNew;
}
/**Function*************************************************************
Synopsis [This procedure sets default parameters.]
Description []
......
src/aig/gia/module.make
......@@ -4,6 +4,7 @@ SRC += src/aig/gia/gia.c \
src/aig/gia/giaAig.c \
src/aig/gia/giaAiger.c \
src/aig/gia/giaBidec.c \
src/aig/gia/giaCCof.c \
src/aig/gia/giaCof.c \
src/aig/gia/giaCSatOld.c \
src/aig/gia/giaCSat.c \
......
src/base/abci/abc.c
......@@ -383,6 +383,7 @@ static int Abc_CommandAbc9GlaDerive ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9GlaCba ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9GlaPba ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Reparam ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9BackReach ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Posplit ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9ReachM ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9ReachP ( Abc_Frame_t * pAbc, int argc, char ** argv );
......@@ -839,6 +840,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&gla_cba", Abc_CommandAbc9GlaCba, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&gla_pba", Abc_CommandAbc9GlaPba, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&reparam", Abc_CommandAbc9Reparam, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&back_reach", Abc_CommandAbc9BackReach, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&posplit", Abc_CommandAbc9Posplit, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&reachm", Abc_CommandAbc9ReachM, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&reachp", Abc_CommandAbc9ReachP, 0 );
......@@ -26256,13 +26258,16 @@ usage:
***********************************************************************/
int Abc_CommandAbc9Frames( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern Gia_Man_t * Gia_ManFrames2( Gia_Man_t * pAig, Gia_ParFra_t * pPars );
Gia_Man_t * pTemp;
Gia_ParFra_t Pars, * pPars = &Pars;
int c;
int nCofFanLit = 0;
int nNewAlgo = 1;
Gia_ManFraSetDefaultParams( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "FLivh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "FLiavh" ) ) != EOF )
{
switch ( c )
{
......@@ -26291,6 +26296,9 @@ int Abc_CommandAbc9Frames( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'i':
pPars->fInit ^= 1;
break;
case 'a':
nNewAlgo ^= 1;
break;
case 'v':
pPars->fVerbose ^= 1;
break;
......@@ -26312,17 +26320,20 @@ int Abc_CommandAbc9Frames( Abc_Frame_t * pAbc, int argc, char ** argv )
}
if ( nCofFanLit )
pTemp = Gia_ManUnrollAndCofactor( pAbc->pGia, pPars->nFrames, nCofFanLit, pPars->fVerbose );
else if ( nNewAlgo )
pTemp = Gia_ManFrames2( pAbc->pGia, pPars );
else
pTemp = Gia_ManFrames( pAbc->pGia, pPars );
Abc_CommandUpdate9( pAbc, pTemp );
return 0;
usage:
Abc_Print( -2, "usage: &frames [-FL <num>] [-ivh]\n" );
Abc_Print( -2, "usage: &frames [-FL <num>] [-aivh]\n" );
Abc_Print( -2, "\t unrolls the design for several timeframes\n" );
Abc_Print( -2, "\t-F num : the number of frames to unroll [default = %d]\n", pPars->nFrames );
Abc_Print( -2, "\t-L num : the limit on fanout count of resets/enables to cofactor [default = %d]\n", nCofFanLit );
Abc_Print( -2, "\t-i : toggle initializing registers [default = %s]\n", pPars->fInit? "yes": "no" );
Abc_Print( -2, "\t-a : toggle using new algorithm [default = %s]\n", nNewAlgo? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", pPars->fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;
......@@ -29434,6 +29445,98 @@ usage:
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9BackReach( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern Gia_Man_t * Gia_ManCofTest( Gia_Man_t * pGia, int nFrameMax, int nConfMax, int nTimeMax, int fVerbose );
Gia_Man_t * pTemp = NULL;
int c, fVerbose = 0;
int nFrameMax = 1000000;
int nConfMax = 1000000;
int nTimeMax = 10;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "FCTvh" ) ) != EOF )
{
switch ( c )
{
case 'F':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-F\" should be followed by an integer.\n" );
goto usage;
}
nFrameMax = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nFrameMax < 0 )
goto usage;
break;
case 'C':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-C\" should be followed by an integer.\n" );
goto usage;
}
nConfMax = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nConfMax < 0 )
goto usage;
break;
case 'T':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-T\" should be followed by an integer.\n" );
goto usage;
}
nTimeMax = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nTimeMax < 0 )
goto usage;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pAbc->pGia == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9BackReach(): There is no AIG.\n" );
return 1;
}
if ( Gia_ManPoNum(pAbc->pGia) != 1 )
{
Abc_Print( -1, "Abc_CommandAbc9BackReach(): The number of POs is different from 1.\n" );
return 1;
}
pTemp = Gia_ManCofTest( pAbc->pGia, nFrameMax, nConfMax, nTimeMax, fVerbose );
Abc_CommandUpdate9( pAbc, pTemp );
return 0;
usage:
Abc_Print( -2, "usage: &back_reach [-FCT <num>] [-vh]\n" );
Abc_Print( -2, "\t performs input trimming and reparameterization\n" );
Abc_Print( -2, "\t-F num : the limit on the depth of induction [default = %d]\n", nFrameMax );
Abc_Print( -2, "\t-C num : the conflict limit at a node during induction [default = %d]\n", nConfMax );
Abc_Print( -2, "\t-T num : the timeout for property directed reachability [default = %d]\n", nTimeMax );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Posplit( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern Aig_Man_t * Aig_ManSplit( Aig_Man_t * p, int nVars, int fVerbose );
......
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