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lvzhengyang
abc
Commits
6f0b87dd
Commit
6f0b87dd
authored
Oct 15, 2011
by
Alan Mishchenko
Browse files
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Plain Diff
New abstraction code.
parent
e4bd4d54
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Showing
9 changed files
with
535 additions
and
264 deletions
+535
-264
src/aig/gia/gia.h
+2
-0
src/aig/gia/giaAbs.c
+36
-0
src/aig/gia/giaAig.c
+1
-0
src/aig/gia/giaDup.c
+88
-29
src/aig/gia/giaMan.c
+38
-8
src/aig/saig/saigAbsGla.c
+326
-216
src/base/abci/abc.c
+12
-11
src/misc/vec/vecInt.h
+30
-0
src/sat/bsat/satSolver.c
+2
-0
No files found.
src/aig/gia/gia.h
View file @
6f0b87dd
...
...
@@ -603,6 +603,7 @@ Gia_Man_t * Gia_ManCexAbstractionDerive( Gia_Man_t * pGia );
int
Gia_ManCexAbstractionRefine
(
Gia_Man_t
*
pGia
,
Abc_Cex_t
*
pCex
,
int
nFfToAddMax
,
int
fTryFour
,
int
fSensePath
,
int
fVerbose
);
extern
int
Gia_ManPbaPerform
(
Gia_Man_t
*
pGia
,
int
nStart
,
int
nFrames
,
int
nConfLimit
,
int
nTimeLimit
,
int
fVerbose
,
int
*
piFrame
);
extern
int
Gia_ManCbaPerform
(
Gia_Man_t
*
pGia
,
void
*
pPars
);
extern
int
Gia_ManGlaCbaPerform
(
Gia_Man_t
*
pGia
,
void
*
pPars
);
/*=== giaAiger.c ===========================================================*/
extern
int
Gia_FileSize
(
char
*
pFileName
);
extern
Gia_Man_t
*
Gia_ReadAigerFromMemory
(
char
*
pContents
,
int
nFileSize
,
int
fCheck
);
...
...
@@ -659,6 +660,7 @@ extern Gia_Man_t * Gia_ManChoiceMiter( Vec_Ptr_t * vGias );
extern
Gia_Man_t
*
Gia_ManDupWithConstraints
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vPoTypes
);
extern
Gia_Man_t
*
Gia_ManDupAbsFlops
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vFlopClasses
);
extern
Gia_Man_t
*
Gia_ManDupAbsGates
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vGateClasses
);
extern
Vec_Int_t
*
Gia_GlaCollectAssigned
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vGateClasses
);
/*=== giaEnable.c ==========================================================*/
extern
void
Gia_ManDetectSeqSignals
(
Gia_Man_t
*
p
,
int
fSetReset
,
int
fVerbose
);
extern
Gia_Man_t
*
Gia_ManUnrollAndCofactor
(
Gia_Man_t
*
p
,
int
nFrames
,
int
nFanMax
,
int
fVerbose
);
...
...
src/aig/gia/giaAbs.c
View file @
6f0b87dd
...
...
@@ -366,6 +366,42 @@ int Gia_ManPbaPerform( Gia_Man_t * pGia, int nStart, int nFrames, int nConfLimit
}
/**Function*************************************************************
Synopsis [Derive unrolled timeframes.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int
Gia_ManGlaCbaPerform
(
Gia_Man_t
*
pGia
,
void
*
pPars
)
{
extern
Vec_Int_t
*
Aig_GlaManTest
(
Aig_Man_t
*
pAig
,
int
nFramesMax
,
int
nConfLimit
,
int
TimeLimit
,
int
fVerbose
);
Saig_ParBmc_t
*
p
=
(
Saig_ParBmc_t
*
)
pPars
;
Vec_Int_t
*
vGateClasses
;
Aig_Man_t
*
pAig
;
/*
// check if flop classes are given
if ( pGia->vGateClasses == NULL )
{
Abc_Print( 0, "Initial gate map is not given. Trivial abstraction is assumed.\n" );
pGia->vGateClasses = Vec_IntStart( Gia_ManObjNum(pGia) );
}
*/
// perform abstraction
pAig
=
Gia_ManToAigSimple
(
pGia
);
vGateClasses
=
Aig_GlaManTest
(
pAig
,
p
->
nFramesMax
,
p
->
nConfLimit
,
p
->
nTimeOut
,
p
->
fVerbose
);
Aig_ManStop
(
pAig
);
// update the map
Vec_IntFreeP
(
&
pGia
->
vGateClasses
);
pGia
->
vGateClasses
=
vGateClasses
;
return
1
;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
...
...
src/aig/gia/giaAig.c
View file @
6f0b87dd
...
...
@@ -350,6 +350,7 @@ Aig_Man_t * Gia_ManToAigSimple( Gia_Man_t * p )
else
assert
(
0
);
pObj
->
Value
=
Gia_Var2Lit
(
Aig_ObjId
(
Aig_Regular
(
ppNodes
[
i
])),
Aig_IsComplement
(
ppNodes
[
i
])
);
assert
(
i
==
0
||
Aig_ObjId
(
ppNodes
[
i
])
==
i
);
}
Aig_ManSetRegNum
(
pNew
,
Gia_ManRegNum
(
p
)
);
ABC_FREE
(
ppNodes
);
...
...
src/aig/gia/giaDup.c
View file @
6f0b87dd
...
...
@@ -1586,8 +1586,8 @@ Gia_Man_t * Gia_ManDupAbsFlops( Gia_Man_t * p, Vec_Int_t * vFlopClasses )
Synopsis [Performs abstraction of the AIG to preserve the included gates.]
Description [The array contains
PIs, LOs, and internal nodes included.
0=unsed, 1=PI, 2=PPI, 3=FF, 4=AND
.]
Description [The array contains
1 for those objects (const, RO, AND)
that are included in the abstraction; 0, otherwise
.]
SideEffects []
...
...
@@ -1596,51 +1596,110 @@ Gia_Man_t * Gia_ManDupAbsFlops( Gia_Man_t * p, Vec_Int_t * vFlopClasses )
***********************************************************************/
Gia_Man_t
*
Gia_ManDupAbsGates
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vGateClasses
)
{
Vec_Int_t
*
vAssigned
,
*
vPis
,
*
vPPis
,
*
vFlops
,
*
vNodes
;
Gia_Man_t
*
pNew
,
*
pTemp
;
Gia_Obj_t
*
pObj
;
int
i
,
nFlops
=
0
;
assert
(
Gia_ManPoNum
(
p
)
==
1
);
Gia_ManFillValue
(
p
);
assert
(
Vec_IntSize
(
vGateClasses
)
==
Gia_ManObjNum
(
p
)
);
// create included objects and their fanins
vAssigned
=
Gia_GlaCollectAssigned
(
p
,
vGateClasses
);
// create additional arrays
vPis
=
Vec_IntAlloc
(
1000
);
vPPis
=
Vec_IntAlloc
(
1000
);
vFlops
=
Vec_IntAlloc
(
1000
);
vNodes
=
Vec_IntAlloc
(
1000
);
Gia_ManForEachObjVec
(
vAssigned
,
p
,
pObj
,
i
)
{
if
(
Gia_ObjIsPi
(
p
,
pObj
)
)
Vec_IntPush
(
vPis
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
!
Vec_IntEntry
(
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
)
Vec_IntPush
(
vPPis
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
Gia_ObjIsAnd
(
pObj
)
)
Vec_IntPush
(
vNodes
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
Gia_ObjIsRo
(
p
,
pObj
)
)
Vec_IntPush
(
vFlops
,
Gia_ObjId
(
p
,
pObj
)
);
else
assert
(
Gia_ObjIsConst0
(
pObj
)
);
}
// start the new manager
pNew
=
Gia_ManStart
(
5000
);
pNew
->
pName
=
Gia_UtilStrsav
(
p
->
pName
);
// create PIs
// create constant
Gia_ManFillValue
(
p
);
Gia_ManConst0
(
p
)
->
Value
=
0
;
Gia_ManForEachPi
(
p
,
pObj
,
i
)
if
(
Vec_IntEntry
(
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
==
1
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
// create PIs
Gia_ManForEachObjVec
(
vPis
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
// create additional PIs
Gia_ManForEachPi
(
p
,
pObj
,
i
)
if
(
Vec_IntEntry
(
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
==
2
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
Gia_ManForEachObjVec
(
vPPis
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
// create ROs
Gia_ManForEachRo
(
p
,
pObj
,
i
)
if
(
Vec_IntEntry
(
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
==
3
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
// create POs
Gia_ManHashAlloc
(
pNew
);
Gia_ManForEachObjVec
(
vFlops
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendCi
(
pNew
);
// create internal nodes
Gia_ManForEachObjVec
(
vNodes
,
p
,
pObj
,
i
)
pObj
->
Value
=
Gia_ManAppendAnd
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
),
Gia_ObjFanin1Copy
(
pObj
)
);
// create PO
Gia_ManForEachPo
(
p
,
pObj
,
i
)
{
Gia_ManDupAbsFlops_rec
(
pNew
,
Gia_ObjFanin0
(
pObj
)
);
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
)
);
}
pObj
->
Value
=
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
)
);
// create RIs
Gia_ManForEachRo
(
p
,
pObj
,
i
)
if
(
Vec_IntEntry
(
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
==
3
)
{
pObj
=
Gia_ObjRoToRi
(
p
,
pObj
);
Gia_ManDupAbsFlops_rec
(
pNew
,
Gia_ObjFanin0
(
pObj
)
);
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
)
);
nFlops
++
;
}
Gia_ManHashStop
(
pNew
);
Gia_ManSetRegNum
(
pNew
,
nFlops
);
Gia_ManForEachObjVec
(
vFlops
,
p
,
pObj
,
i
)
Gia_ObjRoToRi
(
p
,
pObj
)
->
Value
=
Gia_ManAppendCo
(
pNew
,
Gia_ObjFanin0Copy
(
Gia_ObjRoToRi
(
p
,
pObj
))
);
Gia_ManSetRegNum
(
pNew
,
Vec_IntSize
(
vFlops
)
);
// clean up
pNew
=
Gia_ManSeqCleanup
(
pTemp
=
pNew
);
assert
(
Gia_ManObjNum
(
pTemp
)
==
Gia_ManObjNum
(
pNew
)
);
Gia_ManStop
(
pTemp
);
Vec_IntFree
(
vPis
);
Vec_IntFree
(
vPPis
);
Vec_IntFree
(
vFlops
);
Vec_IntFree
(
vNodes
);
Vec_IntFree
(
vAssigned
);
return
pNew
;
}
/**Function*************************************************************
Synopsis [Returns the array of neighbors.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t
*
Gia_GlaCollectAssigned
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vGateClasses
)
{
Vec_Int_t
*
vAssigned
;
Gia_Obj_t
*
pObj
;
int
i
,
Entry
;
vAssigned
=
Vec_IntAlloc
(
1000
);
Vec_IntForEachEntry
(
vGateClasses
,
Entry
,
i
)
{
if
(
Entry
==
0
)
continue
;
assert
(
Entry
==
1
);
pObj
=
Gia_ManObj
(
p
,
i
);
Vec_IntPush
(
vAssigned
,
Gia_ObjId
(
p
,
pObj
)
);
if
(
Gia_ObjIsAnd
(
pObj
)
)
{
Vec_IntPush
(
vAssigned
,
Gia_ObjFaninId0p
(
p
,
pObj
)
);
Vec_IntPush
(
vAssigned
,
Gia_ObjFaninId1p
(
p
,
pObj
)
);
}
else
if
(
Gia_ObjIsRo
(
p
,
pObj
)
)
Vec_IntPush
(
vAssigned
,
Gia_ObjFaninId0p
(
p
,
Gia_ObjRoToRi
(
p
,
pObj
))
);
else
assert
(
Gia_ObjIsConst0
(
pObj
)
);
}
Vec_IntUniqify
(
vAssigned
);
return
vAssigned
;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
...
...
src/aig/gia/giaMan.c
View file @
6f0b87dd
...
...
@@ -179,7 +179,8 @@ void Gia_ManPrintFlopClasses( Gia_Man_t * p )
}
Counter0
=
Vec_IntCountEntry
(
p
->
vFlopClasses
,
0
);
Counter1
=
Vec_IntCountEntry
(
p
->
vFlopClasses
,
1
);
printf
(
"Flop-level abstraction: Excluded FFs = %d Included FFs = %d "
,
Counter0
,
Counter1
);
printf
(
"Flop-level abstraction: Excluded FFs = %d Included FFs = %d (%.2f %%) "
,
Counter0
,
Counter1
,
100
.
0
*
Counter1
/
(
Counter0
+
Counter1
+
1
)
);
if
(
Counter0
+
Counter1
<
Gia_ManRegNum
(
p
)
)
printf
(
"and there are other FF classes..."
);
printf
(
"
\n
"
);
...
...
@@ -198,7 +199,10 @@ void Gia_ManPrintFlopClasses( Gia_Man_t * p )
***********************************************************************/
void
Gia_ManPrintGateClasses
(
Gia_Man_t
*
p
)
{
int
i
,
Counter
[
5
];
Vec_Int_t
*
vAssigned
,
*
vPis
,
*
vPPis
,
*
vFlops
,
*
vNodes
;
Gia_Obj_t
*
pObj
;
int
i
;
if
(
p
->
vGateClasses
==
NULL
)
return
;
if
(
Vec_IntSize
(
p
->
vGateClasses
)
!=
Gia_ManObjNum
(
p
)
)
...
...
@@ -206,12 +210,38 @@ void Gia_ManPrintGateClasses( Gia_Man_t * p )
printf
(
"Gia_ManPrintGateClasses(): The number of flop map entries differs from the number of flops.
\n
"
);
return
;
}
for
(
i
=
0
;
i
<
5
;
i
++
)
Counter
[
i
]
=
Vec_IntCountEntry
(
p
->
vGateClasses
,
i
);
printf
(
"Gate-level abstraction: PI = %d PPI = %d FF = %d AND = %d Unused = %d
\n
"
,
Counter
[
1
],
Counter
[
2
],
Counter
[
3
],
Counter
[
4
],
Counter
[
0
]
);
if
(
Counter
[
0
]
+
Counter
[
1
]
+
Counter
[
2
]
+
Counter
[
3
]
+
Counter
[
4
]
!=
Gia_ManObjNum
(
p
)
)
printf
(
"Gia_ManPrintGateClasses(): Mismatch in the object count.
\n
"
);
// create included objects and their fanins
vAssigned
=
Gia_GlaCollectAssigned
(
p
,
p
->
vGateClasses
);
// create additional arrays
vPis
=
Vec_IntAlloc
(
1000
);
vPPis
=
Vec_IntAlloc
(
1000
);
vFlops
=
Vec_IntAlloc
(
1000
);
vNodes
=
Vec_IntAlloc
(
1000
);
Gia_ManForEachObjVec
(
vAssigned
,
p
,
pObj
,
i
)
{
if
(
Gia_ObjIsPi
(
p
,
pObj
)
)
Vec_IntPush
(
vPis
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
!
Vec_IntEntry
(
p
->
vGateClasses
,
Gia_ObjId
(
p
,
pObj
))
)
Vec_IntPush
(
vPPis
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
Gia_ObjIsAnd
(
pObj
)
)
Vec_IntPush
(
vNodes
,
Gia_ObjId
(
p
,
pObj
)
);
else
if
(
Gia_ObjIsRo
(
p
,
pObj
)
)
Vec_IntPush
(
vFlops
,
Gia_ObjId
(
p
,
pObj
)
);
else
assert
(
Gia_ObjIsConst0
(
pObj
)
);
}
printf
(
"Gate-level abstraction: PI = %d PPI = %d FF = %d (%.2f %%) AND = %d (%.2f %%)
\n
"
,
Vec_IntSize
(
vPis
),
Vec_IntSize
(
vPPis
),
Vec_IntSize
(
vFlops
),
100
.
0
*
Vec_IntSize
(
vFlops
)
/
(
Gia_ManRegNum
(
p
)
+
1
),
Vec_IntSize
(
vNodes
),
100
.
0
*
Vec_IntSize
(
vNodes
)
/
(
Gia_ManAndNum
(
p
)
+
1
)
);
Vec_IntFree
(
vPis
);
Vec_IntFree
(
vPPis
);
Vec_IntFree
(
vFlops
);
Vec_IntFree
(
vNodes
);
Vec_IntFree
(
vAssigned
);
}
/**Function*************************************************************
...
...
src/aig/saig/saigAbsGla.c
View file @
6f0b87dd
...
...
@@ -37,20 +37,24 @@ struct Aig_GlaMan_t_
int
nFramesMax
;
int
fVerbose
;
// abstraction
Vec_Int_t
*
vAbstr
;
// collects objects used in the abstraction
Vec_Int_t
*
vUsed
;
// maps object ID into its status (0=unused; 1=used)
Vec_Int_t
*
vAssigned
;
// collects objects whose SAT variables have been created
Vec_Int_t
*
vIncluded
;
// maps obj ID into its status (0=unused; 1=included in abstraction)
// components
Vec_Int_t
*
vPis
;
// primary inputs
Vec_Int_t
*
vPPis
;
// pseudo primary inputs
Vec_Int_t
*
vFlops
;
// flops
Vec_Int_t
*
vNodes
;
// nodes
// unrolling
int
iFrame
;
int
nFrames
;
Vec_Int_t
*
vObj2Vec
;
// maps obj ID into its vec ID
Vec_Int_t
*
vVec2Var
;
// maps vec ID into its sat Var (nFrames per vec ID)
Vec_Int_t
*
vVar2Inf
;
// maps sat Var into its frame and obj ID
// SAT solver
sat_solver
*
pSat
;
// statistics
int
timeSat
;
int
timeRef
;
int
timeTotal
;
};
////////////////////////////////////////////////////////////////////////
...
...
@@ -59,121 +63,6 @@ struct Aig_GlaMan_t_
/**Function*************************************************************
Synopsis [Performs abstraction of the AIG to preserve the included gates.]
Description [The array contains 1 if the obj is included; 0 otherwise.]
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t
*
Aig_GlaDupAbsGates
(
Aig_Man_t
*
p
,
Vec_Int_t
*
vUsed
,
int
*
pnRealPis
)
{
Aig_Man_t
*
pNew
;
Aig_Obj_t
*
pObj
,
*
pObjLi
,
*
pObjLo
;
int
i
,
nFlops
=
0
,
RetValue
;
assert
(
Aig_ManPoNum
(
p
)
==
1
);
// start the new manager
pNew
=
Aig_ManStart
(
5000
);
pNew
->
pName
=
Aig_UtilStrsav
(
p
->
pName
);
// create constant
Aig_ManCleanData
(
p
);
Aig_ManConst1
(
p
)
->
pData
=
Aig_ManConst1
(
pNew
);
// create PIs
Saig_ManForEachPi
(
p
,
pObj
,
i
)
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObj
))
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
if
(
pnRealPis
)
*
pnRealPis
=
Aig_ManPiNum
(
pNew
);
// create additional PIs
Saig_ManForEachLiLo
(
p
,
pObjLi
,
pObjLo
,
i
)
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLo
))
&&
!
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLi
))
)
pObjLo
->
pData
=
Aig_ObjCreatePi
(
pNew
);
Aig_ManForEachNode
(
p
,
pObj
,
i
)
{
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObj
))
&&
(
!
Vec_IntEntry
(
vUsed
,
Aig_ObjFaninId0
(
pObj
))
||
!
Vec_IntEntry
(
vUsed
,
Aig_ObjFaninId1
(
pObj
)))
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
}
// create ROs
Saig_ManForEachLiLo
(
p
,
pObjLi
,
pObjLo
,
i
)
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLo
))
&&
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLi
))
)
pObjLo
->
pData
=
Aig_ObjCreatePi
(
pNew
),
nFlops
++
;
// create internal nodes
Aig_ManForEachNode
(
p
,
pObj
,
i
)
{
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObj
))
&&
Vec_IntEntry
(
vUsed
,
Aig_ObjFaninId0
(
pObj
))
&&
Vec_IntEntry
(
vUsed
,
Aig_ObjFaninId1
(
pObj
))
)
pObj
->
pData
=
Aig_And
(
pNew
,
Aig_ObjChild0Copy
(
pObj
),
Aig_ObjChild1Copy
(
pObj
)
);
}
// create PO
Saig_ManForEachPo
(
p
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
pObj
)
);
// create RIs
Saig_ManForEachLiLo
(
p
,
pObjLi
,
pObjLo
,
i
)
if
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLo
))
&&
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObjLi
))
)
pObjLi
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
pObjLi
)
);
Aig_ManSetRegNum
(
pNew
,
nFlops
);
// clean up
RetValue
=
Aig_ManCleanup
(
pNew
);
assert
(
RetValue
==
0
);
return
pNew
;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t
*
Aig_GlaDeriveAbs
(
Aig_GlaMan_t
*
p
)
{
Aig_Man_t
*
pNew
;
Aig_Obj_t
*
pObj
;
int
i
,
nFlops
=
0
,
RetValue
;
assert
(
Aig_ManPoNum
(
p
)
==
1
);
// start the new manager
pNew
=
Aig_ManStart
(
5000
);
pNew
->
pName
=
Aig_UtilStrsav
(
p
->
pAig
->
pName
);
// create constant
Aig_ManCleanData
(
p
->
pAig
);
Aig_ManConst1
(
p
->
pAig
)
->
pData
=
Aig_ManConst1
(
pNew
);
// create PIs
Aig_ManForEachObjVec
(
p
->
vPis
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create additional PIs
Aig_ManForEachObjVec
(
p
->
vPPis
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create ROs
Aig_ManForEachObjVec
(
p
->
vFlops
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create internal nodes
Aig_ManForEachObjVec
(
p
->
vNodes
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_And
(
pNew
,
Aig_ObjChild0Copy
(
pObj
),
Aig_ObjChild1Copy
(
pObj
)
);
// create PO
Saig_ManForEachPo
(
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
pObj
)
);
// create RIs
Aig_ManForEachObjVec
(
p
->
vFlops
,
p
->
pAig
,
pObj
,
i
)
Saig_ObjLoToLi
(
p
->
pAig
,
pObj
)
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
Saig_ObjLoToLi
(
p
->
pAig
,
pObj
))
);
Aig_ManSetRegNum
(
pNew
,
Vec_IntSize
(
p
->
vFlops
)
);
// clean up
RetValue
=
Aig_ManCleanup
(
pNew
);
assert
(
RetValue
==
0
);
return
pNew
;
}
/**Function*************************************************************
Synopsis [Adds constant to the solver.]
Description []
...
...
@@ -183,7 +72,7 @@ Aig_Man_t * Aig_GlaDeriveAbs( Aig_GlaMan_t * p )
SeeAlso []
***********************************************************************/
int
Aig_GlaAddConst
(
sat_solver
*
pSat
,
int
iVar
,
int
fCompl
)
static
inline
int
Aig_GlaAddConst
(
sat_solver
*
pSat
,
int
iVar
,
int
fCompl
)
{
lit
Lit
=
toLitCond
(
iVar
,
fCompl
);
if
(
!
sat_solver_addclause
(
pSat
,
&
Lit
,
&
Lit
+
1
)
)
...
...
@@ -202,7 +91,7 @@ int Aig_GlaAddConst( sat_solver * pSat, int iVar, int fCompl )
SeeAlso []
***********************************************************************/
int
Aig_GlaAddBuffer
(
sat_solver
*
pSat
,
int
iVar0
,
int
iVar1
,
int
fCompl
)
static
inline
int
Aig_GlaAddBuffer
(
sat_solver
*
pSat
,
int
iVar0
,
int
iVar1
,
int
fCompl
)
{
lit
Lits
[
2
];
...
...
@@ -230,7 +119,7 @@ int Aig_GlaAddBuffer( sat_solver * pSat, int iVar0, int iVar1, int fCompl )
SeeAlso []
***********************************************************************/
int
Aig_GlaAddNode
(
sat_solver
*
pSat
,
int
iVar
,
int
iVar0
,
int
iVar1
,
int
fCompl0
,
int
fCompl1
)
static
inline
int
Aig_GlaAddNode
(
sat_solver
*
pSat
,
int
iVar
,
int
iVar0
,
int
iVar1
,
int
fCompl0
,
int
fCompl1
)
{
lit
Lits
[
3
];
...
...
@@ -253,6 +142,155 @@ int Aig_GlaAddNode( sat_solver * pSat, int iVar, int iVar0, int iVar1, int fComp
return
1
;
}
/**Function*************************************************************
Synopsis [Returns the array of neighbors.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t
*
Aig_GlaCollectAssigned
(
Aig_Man_t
*
p
,
Vec_Int_t
*
vGateClasses
)
{
Vec_Int_t
*
vAssigned
;
Aig_Obj_t
*
pObj
;
int
i
,
Entry
;
vAssigned
=
Vec_IntAlloc
(
1000
);
Vec_IntForEachEntry
(
vGateClasses
,
Entry
,
i
)
{
if
(
Entry
==
0
)
continue
;
assert
(
Entry
==
1
);
pObj
=
Aig_ManObj
(
p
,
i
);
Vec_IntPush
(
vAssigned
,
Aig_ObjId
(
pObj
)
);
if
(
Aig_ObjIsNode
(
pObj
)
)
{
Vec_IntPush
(
vAssigned
,
Aig_ObjFaninId0
(
pObj
)
);
Vec_IntPush
(
vAssigned
,
Aig_ObjFaninId1
(
pObj
)
);
}
else
if
(
Saig_ObjIsLo
(
p
,
pObj
)
)
Vec_IntPush
(
vAssigned
,
Aig_ObjFaninId0
(
Saig_ObjLoToLi
(
p
,
pObj
))
);
else
assert
(
Aig_ObjIsConst1
(
pObj
)
);
}
Vec_IntUniqify
(
vAssigned
);
return
vAssigned
;
}
/**Function*************************************************************
Synopsis [Derives abstraction components (PIs, PPIs, flops, nodes).]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void
Aig_GlaCollectAbstr
(
Aig_GlaMan_t
*
p
)
{
Aig_Obj_t
*
pObj
;
int
i
,
Entry
;
/*
// make sure every neighbor of included objects is assigned a variable
Vec_IntForEachEntry( p->vIncluded, Entry, i )
{
if ( Entry == 0 )
continue;
assert( Entry == 1 );
pObj = Aig_ManObj( p->pAig, i );
if ( Vec_IntFind( p->vAssigned, Aig_ObjId(pObj) ) == -1 )
printf( "Aig_GlaCollectAbstr(): Object not found\n" );
if ( Aig_ObjIsNode(pObj) )
{
if ( Vec_IntFind( p->vAssigned, Aig_ObjFaninId0(pObj) ) == -1 )
printf( "Aig_GlaCollectAbstr(): Node's fanin is not found\n" );
if ( Vec_IntFind( p->vAssigned, Aig_ObjFaninId1(pObj) ) == -1 )
printf( "Aig_GlaCollectAbstr(): Node's fanin is not found\n" );
}
else if ( Saig_ObjIsLo(p->pAig, pObj) )
{
Aig_Obj_t * pObjLi;
pObjLi = Saig_ObjLoToLi(p->pAig, pObj);
if ( Vec_IntFind( p->vAssigned, Aig_ObjFaninId0(pObjLi) ) == -1 )
printf( "Aig_GlaCollectAbstr(): Flop's fanin is not found\n" );
}
else assert( Aig_ObjIsConst1(pObj) );
}
*/
Vec_IntClear
(
p
->
vPis
);
Vec_IntClear
(
p
->
vPPis
);
Vec_IntClear
(
p
->
vFlops
);
Vec_IntClear
(
p
->
vNodes
);
Vec_IntForEachEntryReverse
(
p
->
vAssigned
,
Entry
,
i
)
{
pObj
=
Aig_ManObj
(
p
->
pAig
,
Entry
);
if
(
Saig_ObjIsPi
(
p
->
pAig
,
pObj
)
)
Vec_IntPush
(
p
->
vPis
,
Aig_ObjId
(
pObj
)
);
else
if
(
!
Vec_IntEntry
(
p
->
vIncluded
,
Aig_ObjId
(
pObj
))
)
Vec_IntPush
(
p
->
vPPis
,
Aig_ObjId
(
pObj
)
);
else
if
(
Aig_ObjIsNode
(
pObj
)
)
Vec_IntPush
(
p
->
vNodes
,
Aig_ObjId
(
pObj
)
);
else
if
(
Saig_ObjIsLo
(
p
->
pAig
,
pObj
)
)
Vec_IntPush
(
p
->
vFlops
,
Aig_ObjId
(
pObj
)
);
else
assert
(
Aig_ObjIsConst1
(
pObj
)
);
}
}
/**Function*************************************************************
Synopsis [Derives abstraction.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t
*
Aig_GlaDeriveAbs
(
Aig_GlaMan_t
*
p
)
{
Aig_Man_t
*
pNew
;
Aig_Obj_t
*
pObj
;
int
i
,
nFlops
=
0
,
RetValue
;
assert
(
Saig_ManPoNum
(
p
->
pAig
)
==
1
);
// start the new manager
pNew
=
Aig_ManStart
(
5000
);
pNew
->
pName
=
Aig_UtilStrsav
(
p
->
pAig
->
pName
);
// create constant
Aig_ManCleanData
(
p
->
pAig
);
Aig_ManConst1
(
p
->
pAig
)
->
pData
=
Aig_ManConst1
(
pNew
);
// create PIs
Aig_ManForEachObjVec
(
p
->
vPis
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create additional PIs
Aig_ManForEachObjVec
(
p
->
vPPis
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create ROs
Aig_ManForEachObjVec
(
p
->
vFlops
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePi
(
pNew
);
// create internal nodes
Aig_ManForEachObjVec
(
p
->
vNodes
,
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_And
(
pNew
,
Aig_ObjChild0Copy
(
pObj
),
Aig_ObjChild1Copy
(
pObj
)
);
// create PO
Saig_ManForEachPo
(
p
->
pAig
,
pObj
,
i
)
pObj
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
pObj
)
);
// create RIs
Aig_ManForEachObjVec
(
p
->
vFlops
,
p
->
pAig
,
pObj
,
i
)
{
assert
(
Saig_ObjIsLo
(
p
->
pAig
,
pObj
)
);
pObj
=
Saig_ObjLoToLi
(
p
->
pAig
,
pObj
);
pObj
->
pData
=
Aig_ObjCreatePo
(
pNew
,
Aig_ObjChild0Copy
(
pObj
)
);
}
Aig_ManSetRegNum
(
pNew
,
Vec_IntSize
(
p
->
vFlops
)
);
// clean up
RetValue
=
Aig_ManCleanup
(
pNew
);
assert
(
RetValue
==
0
);
return
pNew
;
}
/**Function*************************************************************
...
...
@@ -268,17 +306,15 @@ int Aig_GlaAddNode( sat_solver * pSat, int iVar, int iVar0, int iVar1, int fComp
int
Aig_GlaFetchVar
(
Aig_GlaMan_t
*
p
,
Aig_Obj_t
*
pObj
,
int
k
)
{
int
i
,
iVecId
,
iSatVar
;
if
(
!
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObj
))
)
{
Vec_IntWriteEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObj
),
1
);
Vec_IntPush
(
p
->
vAbstr
,
Aig_ObjId
(
pObj
)
);
}
assert
(
k
<
p
->
nFrames
);
iVecId
=
Vec_IntEntry
(
p
->
vObj2Vec
,
Aig_ObjId
(
pObj
)
);
if
(
iVecId
==
0
)
{
iVecId
=
Vec_IntSize
(
p
->
vVec2Var
)
/
p
->
nFrames
;
for
(
i
=
0
;
i
<
p
->
nFrames
;
i
++
)
Vec_IntPush
(
p
->
vVec2Var
,
0
);
Vec_IntWriteEntry
(
p
->
vObj2Vec
,
Aig_ObjId
(
pObj
),
iVecId
);
Vec_IntPushOrderReverse
(
p
->
vAssigned
,
Aig_ObjId
(
pObj
)
);
}
iSatVar
=
Vec_IntEntry
(
p
->
vVec2Var
,
iVecId
*
p
->
nFrames
+
k
);
if
(
iSatVar
==
0
)
...
...
@@ -304,27 +340,42 @@ int Aig_GlaFetchVar( Aig_GlaMan_t * p, Aig_Obj_t * pObj, int k )
***********************************************************************/
int
Aig_GlaObjAddToSolver
(
Aig_GlaMan_t
*
p
,
Aig_Obj_t
*
pObj
,
int
k
)
{
assert
(
Vec_IntEntry
(
vUsed
,
Aig_ObjId
(
pObj
))
);
if
(
k
==
p
->
nFrames
)
{
int
i
,
j
,
nVecIds
=
Vec_IntSize
(
p
->
vVec2Var
)
/
p
->
nFrames
;
Vec_Int_t
*
vVec2VarNew
=
Vec_IntAlloc
(
4
*
nVecIds
*
p
->
nFrames
);
for
(
i
=
0
;
i
<
nVecIds
;
i
++
)
{
for
(
j
=
0
;
j
<
p
->
nFrames
;
j
++
)
Vec_IntPush
(
vVec2VarNew
,
Vec_IntEntry
(
p
->
vVec2Var
,
i
*
p
->
nFrames
+
j
)
);
for
(
j
=
0
;
j
<
p
->
nFrames
;
j
++
)
Vec_IntPush
(
vVec2VarNew
,
i
?
0
:
-
1
);
}
Vec_IntFree
(
p
->
vVec2Var
);
p
->
vVec2Var
=
vVec2VarNew
;
p
->
nFrames
*=
2
;
}
assert
(
k
<
p
->
nFrames
);
assert
(
Vec_IntEntry
(
p
->
vIncluded
,
Aig_ObjId
(
pObj
))
);
if
(
Aig_ObjIsConst1
(
pObj
)
)
return
Aig_GlaAddConst
(
p
->
pSat
,
Aig_GlaFetchVar
(
p
,
pObj
,
k
),
0
);
if
(
Saig_ObjIsPi
(
p
->
pAig
,
pObj
)
)
return
1
;
if
(
Saig_ObjIsLo
(
p
->
pAig
,
pObj
)
)
{
Aig_Obj_t
*
pObjLi
=
Saig_ObjLoToLi
(
p
->
pAig
,
pObj
);
if
(
k
==
0
)
{
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin0
(
pObjLi
),
0
);
return
Aig_GlaAddConst
(
p
->
pSat
,
Aig_GlaFetchVar
(
p
,
pObj
,
k
),
1
);
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObjLi
))
)
return
1
;
return
Aig_GlaAddBuffer
(
p
->
pSat
,
Aig_GlaFetchVar
(
p
,
pObj
,
k
),
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin0
(
pObjLi
),
k
-
1
),
Aig_ObjFaninC0
(
pObjLi
)
);
}
return
Aig_GlaAddBuffer
(
p
->
pSat
,
Aig_GlaFetchVar
(
p
,
pObj
,
k
),
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin0
(
pObjLi
),
k
-
1
),
Aig_ObjFaninC0
(
pObjLi
)
);
}
assert
(
Aig_ObjIsNode
(
pObj
)
);
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjFaninId0
(
pObj
))
&&
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjFaninId1
(
pObj
))
)
return
0
;
return
Aig_GlaAddNode
(
p
->
pSat
,
Aig_GlaFetchVar
(
p
,
pObj
,
k
),
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin0
(
pObj
),
k
),
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin1
(
pObj
),
k
),
Aig_ObjFaninC0
(
pObj
),
Aig_ObjFaninC1
(
pObj
)
);
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin0
(
pObj
),
k
),
Aig_GlaFetchVar
(
p
,
Aig_ObjFanin1
(
pObj
),
k
),
Aig_ObjFaninC0
(
pObj
),
Aig_ObjFaninC1
(
pObj
)
);
}
/**Function*************************************************************
...
...
@@ -344,19 +395,19 @@ Aig_GlaMan_t * Aig_GlaManStart( Aig_Man_t * pAig )
int
i
;
p
=
ABC_CALLOC
(
Aig_GlaMan_t
,
1
);
p
->
pAig
=
pAig
;
p
->
vA
bstr
=
Vec_IntAlloc
(
1000
);
p
->
v
Used
=
Vec_IntStart
(
Aig_ManObjNumMax
(
pAig
)
);
p
->
nFrames
=
16
;
p
->
pAig
=
pAig
;
p
->
vA
ssigned
=
Vec_IntAlloc
(
1000
);
p
->
v
Included
=
Vec_IntStart
(
Aig_ManObjNumMax
(
pAig
)
);
p
->
nFrames
=
32
;
p
->
vPis
=
Vec_IntAlloc
(
1000
);
p
->
vPPis
=
Vec_IntAlloc
(
1000
);
p
->
vFlops
=
Vec_IntAlloc
(
1000
);
p
->
vNodes
=
Vec_IntAlloc
(
1000
);
p
->
vPis
=
Vec_IntAlloc
(
1000
);
p
->
vPPis
=
Vec_IntAlloc
(
1000
);
p
->
vFlops
=
Vec_IntAlloc
(
1000
);
p
->
vNodes
=
Vec_IntAlloc
(
1000
);
p
->
vObj2Vec
=
Vec_IntStart
(
Aig_ManObjNumMax
(
pAig
)
);
p
->
vVec2Var
=
Vec_IntAlloc
(
1
<<
20
);
p
->
vVar2Inf
=
Vec_IntAlloc
(
1
<<
20
);
p
->
vObj2Vec
=
Vec_IntStart
(
Aig_ManObjNumMax
(
pAig
)
);
p
->
vVec2Var
=
Vec_IntAlloc
(
1
<<
20
);
p
->
vVar2Inf
=
Vec_IntAlloc
(
1
<<
20
);
// skip first vector ID
for
(
i
=
0
;
i
<
p
->
nFrames
;
i
++
)
...
...
@@ -367,7 +418,7 @@ Aig_GlaMan_t * Aig_GlaManStart( Aig_Man_t * pAig )
// start the SAT solver
p
->
pSat
=
sat_solver_new
();
sat_solver_setnvars
(
p
->
pSat
,
1000
);
sat_solver_setnvars
(
p
->
pSat
,
256
);
return
p
;
}
...
...
@@ -385,8 +436,8 @@ Aig_GlaMan_t * Aig_GlaManStart( Aig_Man_t * pAig )
***********************************************************************/
void
Aig_GlaManStop
(
Aig_GlaMan_t
*
p
)
{
Vec_IntFreeP
(
&
p
->
vA
bstr
);
Vec_IntFreeP
(
&
p
->
v
Us
ed
);
Vec_IntFreeP
(
&
p
->
vA
ssigned
);
Vec_IntFreeP
(
&
p
->
v
Includ
ed
);
Vec_IntFreeP
(
&
p
->
vPis
);
Vec_IntFreeP
(
&
p
->
vPPis
);
...
...
@@ -413,57 +464,47 @@ void Aig_GlaManStop( Aig_GlaMan_t * p )
SeeAlso []
***********************************************************************/
void
Aig_GlaCollectAbstr
(
Aig_GlaMan_t
*
p
)
Abc_Cex_t
*
Aig_GlaDeriveCex
(
Aig_GlaMan_t
*
p
,
int
iFrame
)
{
Aig_Obj_t
*
pObj
,
*
pObjLi
,
*
pObjLo
;
int
i
;
Vec_IntClear
(
p
->
vPis
);
Vec_IntClear
(
p
->
vPPis
);
Vec_IntClear
(
p
->
vFlops
);
Vec_IntClear
(
p
->
vNodes
);
Saig_ManForEachPi
(
p
->
pAig
,
pObj
,
i
)
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObj
))
)
Vec_IntPush
(
p
->
vPis
,
Aig_ObjId
(
pObj
)
);
Saig_ManForEachLiLo
(
p
->
pAig
,
pObjLi
,
pObjLo
,
i
)
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObjLo
))
)
Abc_Cex_t
*
pCex
;
Aig_Obj_t
*
pObj
;
int
i
,
f
,
iVecId
,
iSatId
;
pCex
=
Abc_CexAlloc
(
Vec_IntSize
(
p
->
vFlops
),
Vec_IntSize
(
p
->
vPis
)
+
Vec_IntSize
(
p
->
vPPis
),
iFrame
+
1
);
pCex
->
iFrame
=
iFrame
;
Aig_ManForEachObjVec
(
p
->
vPis
,
p
->
pAig
,
pObj
,
i
)
{
iVecId
=
Vec_IntEntry
(
p
->
vObj2Vec
,
Aig_ObjId
(
pObj
)
);
assert
(
iVecId
>
0
);
for
(
f
=
0
;
f
<=
iFrame
;
f
++
)
{
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjFaninId0
(
pObjLi
))
)
Vec_IntPush
(
p
->
vFlops
,
Aig_ObjId
(
pObjLo
)
);
else
Vec_IntPush
(
p
->
vPPis
,
Aig_ObjId
(
pObjLo
)
);
iSatId
=
Vec_IntEntry
(
p
->
vVec2Var
,
iVecId
*
p
->
nFrames
+
f
);
if
(
iSatId
==
0
)
continue
;
assert
(
iSatId
>
0
);
if
(
sat_solver_var_value
(
p
->
pSat
,
iSatId
)
)
Aig_InfoSetBit
(
pCex
->
pData
,
pCex
->
nRegs
+
f
*
pCex
->
nPis
+
i
);
}
Aig_ManForEachNode
(
p
->
pAig
,
pObj
,
i
)
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjId
(
pObj
))
)
}
Aig_ManForEachObjVec
(
p
->
vPPis
,
p
->
pAig
,
pObj
,
i
)
{
iVecId
=
Vec_IntEntry
(
p
->
vObj2Vec
,
Aig_ObjId
(
pObj
)
);
assert
(
iVecId
>
0
);
for
(
f
=
0
;
f
<=
iFrame
;
f
++
)
{
if
(
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjFaninId0
(
pObj
))
&&
Vec_IntEntry
(
p
->
vUsed
,
Aig_ObjFaninId1
(
pObj
))
)
Vec_IntPush
(
p
->
vNodes
,
Aig_ObjId
(
pObjLo
)
);
else
Vec_IntPush
(
p
->
vPPis
,
Aig_ObjId
(
pObjLo
)
);
iSatId
=
Vec_IntEntry
(
p
->
vVec2Var
,
iVecId
*
p
->
nFrames
+
f
);
if
(
iSatId
==
0
)
continue
;
assert
(
iSatId
>
0
);
if
(
sat_solver_var_value
(
p
->
pSat
,
iSatId
)
)
Aig_InfoSetBit
(
pCex
->
pData
,
pCex
->
nRegs
+
f
*
pCex
->
nPis
+
Vec_IntSize
(
p
->
vPis
)
+
i
);
}
}
return
pCex
;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Cex_t
*
Aig_GlaDeriveCex
(
Aig_GlaMan_t
*
p
)
{
return
NULL
;
}
/**Function*************************************************************
Synopsis []
Synopsis [Prints current abstraction statistics.]
Description []
...
...
@@ -472,45 +513,72 @@ Abc_Cex_t * Aig_GlaDeriveCex( Aig_GlaMan_t * p )
SeeAlso []
***********************************************************************/
void
Aig_GlaPrintAbstr
(
Aig_GlaMan_t
*
p
,
int
f
,
int
r
)
void
Aig_GlaPrintAbstr
(
Aig_GlaMan_t
*
p
,
int
f
,
int
r
,
int
v
,
int
c
)
{
printf
(
"Fra %3d : Ref %3d : PI =%6d PPI =%6d Flop =%6d Node =%6d
\n
"
,
f
,
r
,
Vec_IntSize
(
p
->
vPis
),
Vec_IntSize
(
p
->
vPPis
),
Vec_IntSize
(
p
->
vFlops
),
Vec_IntSize
(
p
->
vNodes
)
);
if
(
r
==
0
)
printf
(
"== %3d =="
,
f
);
else
printf
(
" "
);
printf
(
" %4d PI =%6d PPI =%6d FF =%6d Node =%6d Var =%7d Conf =%6d
\n
"
,
r
,
Vec_IntSize
(
p
->
vPis
),
Vec_IntSize
(
p
->
vPPis
),
Vec_IntSize
(
p
->
vFlops
),
Vec_IntSize
(
p
->
vNodes
),
v
,
c
);
}
/**Function*************************************************************
Synopsis [Perform
variable frame
abstraction.]
Synopsis [Perform
s gate-level localization
abstraction.]
Description []
Description [Returns array of objects included in the abstraction. This array
may contain only const1, flop outputs, and internal nodes, that is, objects
that should have clauses added to the SAT solver.]
SideEffects []
SeeAlso []
***********************************************************************/
void
Aig_GlaManTest
(
Aig_Man_t
*
pAig
,
int
nFramesMax
,
int
nConf
Limit
,
int
fVerbose
)
Vec_Int_t
*
Aig_GlaManTest
(
Aig_Man_t
*
pAig
,
int
nFramesMax
,
int
nConfLimit
,
int
Time
Limit
,
int
fVerbose
)
{
int
nStart
=
0
;
Vec_Int_t
*
vResult
=
NULL
;
Aig_GlaMan_t
*
p
;
Aig_Man_t
*
pAbs
;
Aig_Obj_t
*
pObj
;
Abc_Cex_t
*
pCex
;
Vec_Int_t
*
vPPi
sTo
Refine
;
Vec_Int_t
*
vPPiRefine
;
int
f
,
g
,
r
,
i
,
iSatVar
,
Lit
,
Entry
,
RetValue
;
int
nConfBef
,
nConfAft
,
clk
,
clkTotal
=
clock
();
assert
(
Saig_ManPoNum
(
pAig
)
==
1
);
if
(
fVerbose
)
{
if
(
TimeLimit
)
printf
(
"Abstracting from frame %d to frame %d with timeout %d sec.
\n
"
,
nStart
,
nFramesMax
,
TimeLimit
);
else
printf
(
"Abstracting from frame %d to frame %d with no timeout.
\n
"
,
nStart
,
nFramesMax
);
}
// start the solver
p
=
Aig_GlaManStart
(
pAig
);
p
->
nFramesMax
=
nFramesMax
;
p
->
nConfLimit
=
nConfLimit
;
p
->
fVerbose
=
fVerbose
;
// include constant node
Vec_IntWriteEntry
(
p
->
vIncluded
,
0
,
1
);
Aig_GlaFetchVar
(
p
,
Aig_ManConst1
(
pAig
),
0
);
// set runtime limit
if
(
TimeLimit
)
sat_solver_set_runtime_limit
(
p
->
pSat
,
clock
()
+
TimeLimit
*
CLOCKS_PER_SEC
);
// iterate over the timeframes
for
(
f
=
0
;
f
<
nFramesMax
;
f
++
)
{
// initialize abstraction in this timeframe
Aig_ManForEachObjVec
(
p
->
vAbstr
,
pAig
,
pObj
,
i
)
Aig_GlaObjAddToSolver
(
p
,
pObj
,
f
);
Aig_ManForEachObjVec
(
p
->
vAssigned
,
pAig
,
pObj
,
i
)
if
(
Vec_IntEntry
(
p
->
vIncluded
,
Aig_ObjId
(
pObj
))
)
if
(
!
Aig_GlaObjAddToSolver
(
p
,
pObj
,
f
)
)
printf
(
"Error! SAT solver became UNSAT.
\n
"
);
// create output literal to represent property failure
pObj
=
Aig_ManPo
(
pAig
,
0
);
...
...
@@ -518,41 +586,83 @@ void Aig_GlaManTest( Aig_Man_t * pAig, int nFramesMax, int nConfLimit, int fVerb
Lit
=
toLitCond
(
iSatVar
,
Aig_ObjFaninC0
(
pObj
)
);
// try solving the abstraction
Aig_Gla
PrintAbstr
(
p
,
f
,
-
1
);
Aig_Gla
CollectAbstr
(
p
);
for
(
r
=
0
;
r
<
1000000
;
r
++
)
{
// try to find a counter-example
clk
=
clock
();
nConfBef
=
p
->
pSat
->
stats
.
conflicts
;
RetValue
=
sat_solver_solve
(
p
->
pSat
,
&
Lit
,
&
Lit
+
1
,
(
ABC_INT64_T
)
nConfLimit
,
(
ABC_INT64_T
)
0
,
(
ABC_INT64_T
)
0
,
(
ABC_INT64_T
)
0
);
nConfAft
=
p
->
pSat
->
stats
.
conflicts
;
p
->
timeSat
+=
clock
()
-
clk
;
if
(
RetValue
!=
l_True
)
{
if
(
fVerbose
)
{
if
(
r
==
0
)
printf
(
"== %3d =="
,
f
);
else
printf
(
" "
);
if
(
TimeLimit
&&
clock
()
>
clkTotal
+
TimeLimit
*
CLOCKS_PER_SEC
)
printf
(
" SAT solver timed out after %d seconds.
\n
"
,
TimeLimit
);
else
if
(
RetValue
!=
l_False
)
printf
(
" SAT solver returned UNDECIDED after %5d conflicts.
\n
"
,
nConfAft
-
nConfBef
);
else
printf
(
" SAT solver returned UNSAT after %5d conflicts.
\n
"
,
nConfAft
-
nConfBef
);
}
break
;
// derive abstraction
Aig_GlaCollectAbstr
(
p
);
// derive counter-example
pCex
=
Aig_GlaDeriveCex
(
p
);
}
clk
=
clock
();
// derive abstraction
pAbs
=
Aig_GlaDeriveAbs
(
p
);
// derive counter-example
pCex
=
Aig_GlaDeriveCex
(
p
,
f
);
// verify the counter-example
RetValue
=
Saig_ManVerifyCex
(
pAbs
,
pCex
);
if
(
RetValue
==
0
)
printf
(
"Error! CEX is invalid.
\n
"
);
// perform refinement
vPPisToRefine
=
Saig_ManCbaFilterInputs
(
pAig
,
Vec_IntSize
(
p
->
vPis
),
pCex
,
0
);
// update
Vec_IntForEachEntry
(
vPPisToRefine
,
Entry
,
i
)
vPPiRefine
=
Saig_ManCbaFilterInputs
(
pAbs
,
Vec_IntSize
(
p
->
vPis
),
pCex
,
0
);
Vec_IntForEachEntry
(
vPPiRefine
,
Entry
,
i
)
{
pObj
=
Aig_ManObj
(
pAig
,
Vec_IntEntry
(
p
->
vPPis
,
Entry
)
);
assert
(
Aig_ObjIsNode
(
pObj
)
||
Saig_ObjIsLo
(
p
->
pAig
,
pObj
)
);
assert
(
Vec_IntEntry
(
p
->
vIncluded
,
Aig_ObjId
(
pObj
)
)
==
0
);
Vec_IntWriteEntry
(
p
->
vIncluded
,
Aig_ObjId
(
pObj
),
1
);
for
(
g
=
0
;
g
<=
f
;
g
++
)
Aig_GlaObjAddToSolver
(
p
,
Aig_ManObj
(
pAig
,
Vec_IntEntry
(
p
->
vPPis
,
Entry
)),
g
);
if
(
!
Aig_GlaObjAddToSolver
(
p
,
pObj
,
g
)
)
printf
(
"Error! SAT solver became UNSAT.
\n
"
);
}
Vec_IntFree
(
vPPisToRefine
);
// print abstraction
Aig_GlaPrintAbstr
(
p
,
f
,
r
);
Vec_IntFree
(
vPPiRefine
);
Aig_ManStop
(
pAbs
);
Abc_CexFree
(
pCex
);
p
->
timeRef
+=
clock
()
-
clk
;
// prepare abstraction
Aig_GlaCollectAbstr
(
p
);
if
(
fVerbose
)
Aig_GlaPrintAbstr
(
p
,
f
,
r
,
p
->
pSat
->
size
,
nConfAft
-
nConfBef
);
}
if
(
RetValue
!=
l_False
)
break
;
}
Aig_GlaPrintAbstr
(
p
,
f
,
-
1
)
;
p
->
timeTotal
=
clock
()
-
clkTotal
;
if
(
f
==
nFramesMax
)
printf
(
"Finished %d frames without exceeding conflict limit (%d).
\n
"
,
f
,
nConfLimit
);
else
printf
(
"Ran out of conflict limit (%d) at frame %d.
\n
"
,
nConfLimit
,
f
);
// print stats
if
(
fVerbose
)
{
ABC_PRTP
(
"Sat "
,
p
->
timeSat
,
p
->
timeTotal
);
ABC_PRTP
(
"Ref "
,
p
->
timeRef
,
p
->
timeTotal
);
ABC_PRTP
(
"Total "
,
p
->
timeTotal
,
p
->
timeTotal
);
}
// prepare return value
vResult
=
p
->
vIncluded
;
p
->
vIncluded
=
NULL
;
Aig_GlaManStop
(
p
);
return
vResult
;
}
////////////////////////////////////////////////////////////////////////
...
...
src/base/abci/abc.c
View file @
6f0b87dd
...
...
@@ -28858,12 +28858,12 @@ int Abc_CommandAbc9GlaDerive( Abc_Frame_t * pAbc, int argc, char ** argv )
*/
if
(
pAbc
->
pGia
->
vGateClasses
==
NULL
)
{
Abc_Print
(
-
1
,
"Abstraction
flop
map is missing.
\n
"
);
Abc_Print
(
-
1
,
"Abstraction
gate
map is missing.
\n
"
);
return
0
;
}
//
pTemp = Gia_ManDupAbsGates( pAbc->pGia, pAbc->pGia->vGateClasses );
//
Abc_CommandUpdate9( pAbc, pTemp );
printf
(
"This command is currently not enabled.
\n
"
);
pTemp
=
Gia_ManDupAbsGates
(
pAbc
->
pGia
,
pAbc
->
pGia
->
vGateClasses
);
Abc_CommandUpdate9
(
pAbc
,
pTemp
);
//
printf( "This command is currently not enabled.\n" );
return
0
;
usage:
...
...
@@ -28890,8 +28890,9 @@ int Abc_CommandAbc9GlaCba( Abc_Frame_t * pAbc, int argc, char ** argv )
Saig_ParBmc_t
Pars
,
*
pPars
=
&
Pars
;
int
c
;
Saig_ParBmcSetDefaultParams
(
pPars
);
pPars
->
nStart
=
0
;
//(pAbc->nFrames >= 0) ? pAbc->nFrames : 0;
pPars
->
nFramesMax
=
pPars
->
nStart
+
10
;
pPars
->
nStart
=
0
;
//(pAbc->nFrames >= 0) ? pAbc->nFrames : 0;
pPars
->
nFramesMax
=
50
;
//pPars->nStart + 10;
pPars
->
nConfLimit
=
5000
;
Extra_UtilGetoptReset
();
while
(
(
c
=
Extra_UtilGetopt
(
argc
,
argv
,
"SFCMTvh"
)
)
!=
EOF
)
{
...
...
@@ -28971,11 +28972,11 @@ int Abc_CommandAbc9GlaCba( Abc_Frame_t * pAbc, int argc, char ** argv )
Abc_Print
(
-
1
,
"The network is combinational.
\n
"
);
return
0
;
}
// pAbc->Status = Gia_Man
CbaPerform( pAbc->pGia, pPars );
//
if ( pPars->nStart == 0 )
//
pAbc->nFrames = pPars->iFrame;
//
Abc_FrameReplaceCex( pAbc, &pAbc->pGia->pCexSeq );
printf
(
"This command is currently not enabled.
\n
"
);
pAbc
->
Status
=
Gia_ManGla
CbaPerform
(
pAbc
->
pGia
,
pPars
);
if
(
pPars
->
nStart
==
0
)
pAbc
->
nFrames
=
pPars
->
iFrame
;
Abc_FrameReplaceCex
(
pAbc
,
&
pAbc
->
pGia
->
pCexSeq
);
//
printf( "This command is currently not enabled.\n" );
return
0
;
usage:
...
...
src/misc/vec/vecInt.h
View file @
6f0b87dd
...
...
@@ -657,6 +657,36 @@ static inline void Vec_IntPushOrder( Vec_Int_t * p, int Entry )
SeeAlso []
***********************************************************************/
static
inline
void
Vec_IntPushOrderReverse
(
Vec_Int_t
*
p
,
int
Entry
)
{
int
i
;
if
(
p
->
nSize
==
p
->
nCap
)
{
if
(
p
->
nCap
<
16
)
Vec_IntGrow
(
p
,
16
);
else
Vec_IntGrow
(
p
,
2
*
p
->
nCap
);
}
p
->
nSize
++
;
for
(
i
=
p
->
nSize
-
2
;
i
>=
0
;
i
--
)
if
(
p
->
pArray
[
i
]
<
Entry
)
p
->
pArray
[
i
+
1
]
=
p
->
pArray
[
i
];
else
break
;
p
->
pArray
[
i
+
1
]
=
Entry
;
}
/**Function*************************************************************
Synopsis [Inserts the entry while preserving the increasing order.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static
inline
int
Vec_IntPushUniqueOrder
(
Vec_Int_t
*
p
,
int
Entry
)
{
int
i
;
...
...
src/sat/bsat/satSolver.c
View file @
6f0b87dd
...
...
@@ -1485,6 +1485,8 @@ int sat_solver_solve(sat_solver* s, lit* begin, lit* end, ABC_INT64_T nConfLimit
// int nConfs = 0;
double
Ratio
=
(
s
->
stats
.
learnts
==
0
)
?
0
.
0
:
s
->
stats
.
learnts_literals
/
(
double
)
s
->
stats
.
learnts
;
if
(
s
->
nRuntimeLimit
&&
clock
()
>
s
->
nRuntimeLimit
)
break
;
if
(
s
->
verbosity
>=
1
)
{
...
...
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