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lvzhengyang
abc
Commits
66af4ae6
Commit
66af4ae6
authored
Jul 22, 2017
by
Alan Mishchenko
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Experiments with BMC.
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66af4ae6
/**CFile****************************************************************
FileName [bmcBmcS.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [SAT-based bounded model checking.]
Synopsis [New BMC package.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - July 20, 2017.]
Revision [$Id: bmcBmcS.c,v 1.00 2017/07/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "sat/cnf/cnf.h"
#include "sat/bsat/satStore.h"
#include "bmc.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Incremental unfolding.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void
Bmc_SuperBuildTents_rec
(
Gia_Man_t
*
p
,
int
iObj
,
Vec_Int_t
*
vIns
,
Vec_Int_t
*
vCuts
,
Vec_Int_t
*
vFlops
,
Vec_Int_t
*
vObjs
,
Vec_Int_t
*
vRankIns
,
Vec_Int_t
*
vRankCuts
,
int
Rank
)
{
Gia_Obj_t
*
pObj
;
if
(
iObj
==
0
)
return
;
if
(
Gia_ObjIsTravIdCurrentId
(
p
,
iObj
)
)
return
;
Gia_ObjSetTravIdCurrentId
(
p
,
iObj
);
pObj
=
Gia_ManObj
(
p
,
iObj
);
if
(
pObj
->
fMark0
)
{
if
(
!
pObj
->
fMark1
)
return
;
Vec_IntPush
(
vCuts
,
iObj
);
Vec_IntPush
(
vRankCuts
,
Rank
);
pObj
->
fMark1
=
1
;
return
;
}
pObj
->
fMark0
=
1
;
if
(
Gia_ObjIsPi
(
p
,
pObj
)
)
{
Vec_IntPush
(
vIns
,
iObj
);
Vec_IntPush
(
vRankIns
,
Rank
);
pObj
->
fMark1
=
1
;
return
;
}
if
(
Gia_ObjIsCi
(
pObj
)
)
{
Vec_IntPush
(
vFlops
,
iObj
);
return
;
}
assert
(
Gia_ObjIsAnd
(
pObj
)
);
Bmc_SuperBuildTents_rec
(
p
,
Gia_ObjFaninId0
(
pObj
,
iObj
),
vIns
,
vCuts
,
vFlops
,
vObjs
,
vRankIns
,
vRankCuts
,
Rank
);
Bmc_SuperBuildTents_rec
(
p
,
Gia_ObjFaninId1
(
pObj
,
iObj
),
vIns
,
vCuts
,
vFlops
,
vObjs
,
vRankIns
,
vRankCuts
,
Rank
);
Vec_IntPush
(
vObjs
,
iObj
);
}
Gia_Man_t
*
Bmc_SuperBuildTents
(
Gia_Man_t
*
p
,
Vec_Int_t
**
pvMap
)
{
Vec_Int_t
*
vIns
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vCuts
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vFlops
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vObjs
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vLimIns
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vLimCuts
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vLimFlops
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vLimObjs
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vRankIns
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vRankCuts
=
Vec_IntAlloc
(
1000
);
Vec_Int_t
*
vMap
=
Vec_IntAlloc
(
1000
);
Gia_Man_t
*
pNew
,
*
pTemp
;
Gia_Obj_t
*
pObj
;
int
i
,
r
,
Entry
,
Rank
,
iPrev
,
iThis
=
0
;
// collect internal nodes
Gia_ManForEachPo
(
p
,
pObj
,
i
)
Vec_IntPush
(
vFlops
,
Gia_ObjId
(
p
,
pObj
)
);
Gia_ManCleanMark01
(
p
);
for
(
Rank
=
0
;
iThis
<
Vec_IntEntryLast
(
vFlops
);
Rank
++
)
{
Vec_IntPush
(
vLimIns
,
Vec_IntSize
(
vIns
)
);
Vec_IntPush
(
vLimCuts
,
Vec_IntSize
(
vCuts
)
);
Vec_IntPush
(
vLimFlops
,
Vec_IntSize
(
vFlops
)
);
Vec_IntPush
(
vLimObjs
,
Vec_IntSize
(
vObjs
)
);
iPrev
=
iThis
;
iThis
=
Vec_IntEntryLast
(
vFlops
);
Vec_IntForEachEntryStartStop
(
vFlops
,
Entry
,
i
,
iPrev
,
iThis
)
{
Gia_ManIncrementTravId
(
p
);
Bmc_SuperBuildTents_rec
(
p
,
Gia_ObjFaninId0
(
Gia_ManObj
(
p
,
iPrev
),
iPrev
),
vIns
,
vCuts
,
vFlops
,
vObjs
,
vRankIns
,
vRankCuts
,
Rank
);
}
}
Gia_ManCleanMark01
(
p
);
Vec_IntPush
(
vLimIns
,
Vec_IntSize
(
vIns
)
);
Vec_IntPush
(
vLimCuts
,
Vec_IntSize
(
vCuts
)
);
Vec_IntPush
(
vLimFlops
,
Vec_IntSize
(
vFlops
)
);
Vec_IntPush
(
vLimObjs
,
Vec_IntSize
(
vObjs
)
);
// create new GIA
pNew
=
Gia_ManStart
(
Gia_ManObjNum
(
p
)
);
pNew
->
pName
=
Abc_UtilStrsav
(
p
->
pName
);
pNew
->
pSpec
=
Abc_UtilStrsav
(
p
->
pSpec
);
Gia_ManFillValue
(
p
);
Gia_ManConst0
(
p
)
->
Value
=
0
;
Gia_ManForEachObjVec
(
vIns
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
Gia_ManForEachObjVec
(
vCuts
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
for
(
r
=
Rank
;
r
>=
0
;
r
--
)
{
Vec_IntForEachEntryStartStop
(
vFlops
,
Entry
,
i
,
Vec_IntEntry
(
vLimFlops
,
r
),
Vec_IntEntry
(
vLimFlops
,
r
+
1
)
)
{
pObj
=
Gia_ManObj
(
p
,
Entry
);
pObj
->
Value
=
Gia_ObjFanin0Copy
(
pObj
);
}
Vec_IntForEachEntryStartStop
(
vObjs
,
Entry
,
i
,
Vec_IntEntry
(
vLimObjs
,
r
),
Vec_IntEntry
(
vLimObjs
,
r
+
1
)
)
{
pObj
=
Gia_ManObj
(
p
,
Entry
);
pObj
->
Value
=
Gia_ObjFanin0Copy
(
pObj
);
}
}
Gia_ManForEachPo
(
p
,
pObj
,
i
)
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
)
);
Gia_ManForEachObjVec
(
vCuts
,
p
,
pObj
,
i
)
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
)
);
Gia_ManSetRegNum
(
pNew
,
Vec_IntSize
(
vCuts
)
);
// create map
Vec_IntForEachEntryTwo
(
vIns
,
vRankIns
,
Entry
,
Rank
,
i
)
Vec_IntPushTwo
(
vMap
,
Entry
,
Rank
);
Vec_IntForEachEntryTwo
(
vCuts
,
vRankCuts
,
Entry
,
Rank
,
i
)
Vec_IntPushTwo
(
vMap
,
Entry
,
Rank
);
Vec_IntFree
(
vIns
);
Vec_IntFree
(
vCuts
);
Vec_IntFree
(
vFlops
);
Vec_IntFree
(
vObjs
);
Vec_IntFree
(
vLimIns
);
Vec_IntFree
(
vLimCuts
);
Vec_IntFree
(
vLimFlops
);
Vec_IntFree
(
vLimObjs
);
Vec_IntFree
(
vRankIns
);
Vec_IntFree
(
vRankCuts
);
if
(
pvMap
)
*
pvMap
=
vMap
;
else
Vec_IntFree
(
vMap
);
pNew
=
Gia_ManCleanup
(
pTemp
=
pNew
);
Gia_ManStop
(
pTemp
);
return
pNew
;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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