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lvzhengyang
abc
Commits
e21052df
Commit
e21052df
authored
Oct 29, 2017
by
Alan Mishchenko
Browse files
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Plain Diff
Improvements to quantification.
parent
50e17ae0
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Showing
3 changed files
with
264 additions
and
68 deletions
+264
-68
src/aig/gia/gia.h
+3
-0
src/aig/gia/giaDup.c
+77
-0
src/sat/glucose/AbcGlucose.cpp
+184
-68
No files found.
src/aig/gia/gia.h
View file @
e21052df
...
...
@@ -514,6 +514,7 @@ static inline void Gia_ObjFlipFaninC0( Gia_Obj_t * pObj ) {
static
inline
int
Gia_ObjFaninNum
(
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
)
{
if
(
Gia_ObjIsMux
(
p
,
pObj
)
)
return
3
;
if
(
Gia_ObjIsAnd
(
pObj
)
)
return
2
;
if
(
Gia_ObjIsCo
(
pObj
)
)
return
1
;
return
0
;
}
static
inline
int
Gia_ObjWhatFanin
(
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
,
Gia_Obj_t
*
pFanin
)
{
if
(
Gia_ObjFanin0
(
pObj
)
==
pFanin
)
return
0
;
if
(
Gia_ObjFanin1
(
pObj
)
==
pFanin
)
return
1
;
if
(
Gia_ObjFanin2
(
p
,
pObj
)
==
pFanin
)
return
2
;
assert
(
0
);
return
-
1
;
}
static
inline
int
Gia_ManPoIsConst
(
Gia_Man_t
*
p
,
int
iPoIndex
)
{
return
Gia_ObjFaninId0p
(
p
,
Gia_ManPo
(
p
,
iPoIndex
))
==
0
;
}
static
inline
int
Gia_ManPoIsConst0
(
Gia_Man_t
*
p
,
int
iPoIndex
)
{
return
Gia_ManIsConst0Lit
(
Gia_ObjFaninLit0p
(
p
,
Gia_ManPo
(
p
,
iPoIndex
))
);
}
static
inline
int
Gia_ManPoIsConst1
(
Gia_Man_t
*
p
,
int
iPoIndex
)
{
return
Gia_ManIsConst1Lit
(
Gia_ObjFaninLit0p
(
p
,
Gia_ManPo
(
p
,
iPoIndex
))
);
}
...
...
@@ -1237,6 +1238,8 @@ extern Gia_Man_t * Gia_ManDupExist( Gia_Man_t * p, int iVar );
extern
Gia_Man_t
*
Gia_ManDupUniv
(
Gia_Man_t
*
p
,
int
iVar
);
extern
Gia_Man_t
*
Gia_ManDupDfsSkip
(
Gia_Man_t
*
p
);
extern
Gia_Man_t
*
Gia_ManDupDfsCone
(
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
);
extern
Gia_Man_t
*
Gia_ManDupConeSupp
(
Gia_Man_t
*
p
,
int
iLit
,
Vec_Int_t
*
vCiIds
);
extern
int
Gia_ManDupConeBack
(
Gia_Man_t
*
p
,
Gia_Man_t
*
pNew
,
Vec_Int_t
*
vCiIds
);
extern
Gia_Man_t
*
Gia_ManDupDfsNode
(
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
);
extern
Gia_Man_t
*
Gia_ManDupDfsLitArray
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vLits
);
extern
Gia_Man_t
*
Gia_ManDupTrimmed
(
Gia_Man_t
*
p
,
int
fTrimCis
,
int
fTrimCos
,
int
fDualOut
,
int
OutValue
);
...
...
src/aig/gia/giaDup.c
View file @
e21052df
...
...
@@ -1878,6 +1878,83 @@ Gia_Man_t * Gia_ManDupDfsCone( Gia_Man_t * p, Gia_Obj_t * pRoot )
/**Function*************************************************************
Synopsis [Duplicates logic cone of the literal and inserts it back.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void
Gia_ManDupConeSupp_rec
(
Gia_Man_t
*
pNew
,
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
,
Vec_Int_t
*
vObjs
)
{
int
iLit0
,
iLit1
,
iObj
=
Gia_ObjId
(
p
,
pObj
);
int
iLit
=
Gia_ObjCopyArray
(
p
,
iObj
);
if
(
iLit
>=
0
)
return
;
assert
(
Gia_ObjIsAnd
(
pObj
)
);
Gia_ManDupConeSupp_rec
(
pNew
,
p
,
Gia_ObjFanin0
(
pObj
),
vObjs
);
Gia_ManDupConeSupp_rec
(
pNew
,
p
,
Gia_ObjFanin1
(
pObj
),
vObjs
);
iLit0
=
Gia_ObjCopyArray
(
p
,
Gia_ObjFaninId0
(
pObj
,
iObj
)
);
iLit1
=
Gia_ObjCopyArray
(
p
,
Gia_ObjFaninId1
(
pObj
,
iObj
)
);
iLit0
=
Abc_LitNotCond
(
iLit0
,
Gia_ObjFaninC0
(
pObj
)
);
iLit1
=
Abc_LitNotCond
(
iLit1
,
Gia_ObjFaninC1
(
pObj
)
);
iLit
=
Gia_ManAppendAnd
(
pNew
,
iLit0
,
iLit1
);
Gia_ObjSetCopyArray
(
p
,
iObj
,
iLit
);
Vec_IntPush
(
vObjs
,
iObj
);
}
Gia_Man_t
*
Gia_ManDupConeSupp
(
Gia_Man_t
*
p
,
int
iLit
,
Vec_Int_t
*
vCiIds
)
{
Gia_Man_t
*
pNew
;
int
i
,
iLit0
;
Gia_Obj_t
*
pObj
,
*
pRoot
=
Gia_ManObj
(
p
,
Abc_Lit2Var
(
iLit
)
);
Vec_Int_t
*
vObjs
=
Vec_IntAlloc
(
1000
);
assert
(
Gia_ObjIsAnd
(
pRoot
)
);
if
(
Vec_IntSize
(
&
p
->
vCopies
)
<
Gia_ManObjNum
(
p
)
)
Vec_IntFillExtra
(
&
p
->
vCopies
,
Gia_ManObjNum
(
p
),
-
1
);
pNew
=
Gia_ManStart
(
Gia_ManObjNum
(
p
)
);
pNew
->
pName
=
Abc_UtilStrsav
(
p
->
pName
);
pNew
->
pSpec
=
Abc_UtilStrsav
(
p
->
pSpec
);
Gia_ManForEachCiVec
(
vCiIds
,
p
,
pObj
,
i
)
Gia_ObjSetCopyArray
(
p
,
Gia_ObjId
(
p
,
pObj
),
Gia_ManAppendCi
(
pNew
)
);
Gia_ManDupConeSupp_rec
(
pNew
,
p
,
pRoot
,
vObjs
);
iLit0
=
Gia_ObjCopyArray
(
p
,
Abc_Lit2Var
(
iLit
)
);
iLit0
=
Abc_LitNotCond
(
iLit0
,
Abc_LitIsCompl
(
iLit
)
);
Gia_ManAppendCo
(
pNew
,
iLit0
);
Gia_ManForEachCiVec
(
vCiIds
,
p
,
pObj
,
i
)
Gia_ObjSetCopyArray
(
p
,
Gia_ObjId
(
p
,
pObj
),
-
1
);
Gia_ManForEachObjVec
(
vObjs
,
p
,
pObj
,
i
)
Gia_ObjSetCopyArray
(
p
,
Gia_ObjId
(
p
,
pObj
),
-
1
);
Vec_IntFree
(
vObjs
);
//assert( Vec_IntCountLarger(&p->vCopies, -1) == 0 );
return
pNew
;
}
void
Gia_ManDupConeBack_rec
(
Gia_Man_t
*
pNew
,
Gia_Man_t
*
p
,
Gia_Obj_t
*
pObj
)
{
if
(
~
pObj
->
Value
)
return
;
assert
(
Gia_ObjIsAnd
(
pObj
)
);
Gia_ManDupConeBack_rec
(
pNew
,
p
,
Gia_ObjFanin0
(
pObj
)
);
Gia_ManDupConeBack_rec
(
pNew
,
p
,
Gia_ObjFanin1
(
pObj
)
);
pObj
->
Value
=
Gia_ManHashAnd
(
pNew
,
Gia_ObjFanin0Copy
(
pObj
),
Gia_ObjFanin1Copy
(
pObj
)
);
// pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
}
int
Gia_ManDupConeBack
(
Gia_Man_t
*
p
,
Gia_Man_t
*
pNew
,
Vec_Int_t
*
vCiIds
)
{
Gia_Obj_t
*
pObj
,
*
pRoot
;
int
i
;
assert
(
Gia_ManCiNum
(
pNew
)
==
Vec_IntSize
(
vCiIds
)
);
Gia_ManFillValue
(
pNew
);
Gia_ManConst0
(
pNew
)
->
Value
=
0
;
Gia_ManForEachCi
(
pNew
,
pObj
,
i
)
pObj
->
Value
=
Gia_Obj2Lit
(
p
,
Gia_ManCi
(
p
,
Vec_IntEntry
(
vCiIds
,
i
))
);
pRoot
=
Gia_ManCo
(
pNew
,
0
);
Gia_ManDupConeBack_rec
(
p
,
pNew
,
Gia_ObjFanin0
(
pRoot
)
);
return
Gia_ObjFanin0Copy
(
pRoot
);
}
/**Function*************************************************************
Synopsis [Duplicates AIG in the DFS order while putting CIs first.]
Description []
...
...
src/sat/glucose/AbcGlucose.cpp
View file @
e21052df
...
...
@@ -745,14 +745,14 @@ Vec_Int_t * Glucose_SolverFromAig2( Gia_Man_t * p, SimpSolver& S )
SeeAlso []
***********************************************************************/
Vec_Str_t
*
Glucose_GenerateCubes
(
bmcg_sat_solver
*
pSat
[
2
],
Vec_Int_t
*
v
AllVars
,
Vec_Int_t
*
vVarMap
)
Vec_Str_t
*
Glucose_GenerateCubes
(
bmcg_sat_solver
*
pSat
[
2
],
Vec_Int_t
*
v
CiSatVars
,
Vec_Int_t
*
vVar2Index
)
{
int
fCreatePrime
=
1
;
int
n
Vars
=
Vec_IntCountLarger
(
vVarMap
,
-
1
);
int
n
Supp
=
Vec_IntSize
(
vCiSatVars
);
Vec_Str_t
*
vSop
=
Vec_StrAlloc
(
1000
);
Vec_Int_t
*
vLits
=
Vec_IntAlloc
(
Vec_IntSize
(
vAllVars
)
);
Vec_Str_t
*
vCube
=
Vec_StrAlloc
(
n
Vars
+
4
);
Vec_StrFill
(
vCube
,
n
Vars
,
'-'
);
Vec_Int_t
*
vLits
=
Vec_IntAlloc
(
nSupp
);
Vec_Str_t
*
vCube
=
Vec_StrAlloc
(
n
Supp
+
4
);
Vec_StrFill
(
vCube
,
n
Supp
,
'-'
);
Vec_StrPrintF
(
vCube
,
" 1
\n\0
"
);
while
(
1
)
{
...
...
@@ -763,7 +763,7 @@ Vec_Str_t * Glucose_GenerateCubes( bmcg_sat_solver * pSat[2], Vec_Int_t * vAllVa
break
;
assert
(
status
==
GLUCOSE_SAT
);
Vec_IntClear
(
vLits
);
Vec_IntForEachEntry
(
v
All
Vars
,
iVar
,
i
)
Vec_IntForEachEntry
(
v
CiSat
Vars
,
iVar
,
i
)
Vec_IntPush
(
vLits
,
Abc_Var2Lit
(
iVar
,
!
bmcg_sat_solver_read_cex_varvalue
(
pSat
[
1
],
iVar
))
);
// expand against offset
if
(
fCreatePrime
)
...
...
@@ -781,19 +781,19 @@ Vec_Str_t * Glucose_GenerateCubes( bmcg_sat_solver * pSat[2], Vec_Int_t * vAllVa
nFinal
=
bmcg_sat_solver_final
(
pSat
[
0
],
&
pFinal
);
}
// print cube
Vec_StrFill
(
vCube
,
n
Vars
,
'-'
);
Vec_StrFill
(
vCube
,
n
Supp
,
'-'
);
for
(
i
=
0
;
i
<
nFinal
;
i
++
)
{
i
Var
=
Vec_IntEntry
(
vVarMap
,
Abc_Lit2Var
(
pFinal
[
i
]));
if
(
iVar
==
-
1
)
i
nt
Index
=
Vec_IntEntry
(
vVar2Index
,
Abc_Lit2Var
(
pFinal
[
i
]));
if
(
Index
==
-
1
)
continue
;
pFinal
[
k
++
]
=
pFinal
[
i
];
assert
(
iVar
>=
0
&&
iVar
<
nVars
);
Vec_StrWriteEntry
(
vCube
,
iVar
,
(
char
)(
'0'
+
Abc_LitIsCompl
(
pFinal
[
i
]))
);
assert
(
Index
>=
0
&&
Index
<
nSupp
);
Vec_StrWriteEntry
(
vCube
,
Index
,
(
char
)(
'0'
+
Abc_LitIsCompl
(
pFinal
[
i
]))
);
}
nFinal
=
k
;
Vec_StrAppend
(
vSop
,
Vec_StrArray
(
vCube
)
);
//printf( "%
4d : %s", Count++
, Vec_StrArray(vCube) );
//printf( "%
s\n"
, Vec_StrArray(vCube) );
// add blocking clause
if
(
!
bmcg_sat_solver_addclause
(
pSat
[
1
],
pFinal
,
nFinal
)
)
break
;
...
...
@@ -803,7 +803,7 @@ Vec_Str_t * Glucose_GenerateCubes( bmcg_sat_solver * pSat[2], Vec_Int_t * vAllVa
Vec_StrPush
(
vSop
,
'\0'
);
return
vSop
;
}
void
Glucose_GenerateSop
(
Gia_Man_t
*
p
)
Vec_Str_t
*
Glucose_GenerateSop
(
Gia_Man_t
*
p
)
{
bmcg_sat_solver
*
pSat
[
2
]
=
{
bmcg_sat_solver_start
(),
bmcg_sat_solver_start
()
};
...
...
@@ -820,7 +820,12 @@ void Glucose_GenerateSop( Gia_Man_t * p )
if
(
!
bmcg_sat_solver_addclause
(
pSat
[
n
],
pCnf
->
pClauses
[
i
],
pCnf
->
pClauses
[
i
+
1
]
-
pCnf
->
pClauses
[
i
]
)
)
assert
(
0
);
if
(
!
bmcg_sat_solver_addclause
(
pSat
[
n
],
&
Lit
,
1
)
)
assert
(
0
);
{
Vec_Str_t
*
vSop
=
Vec_StrAlloc
(
10
);
Vec_StrPrintF
(
vSop
,
" %d
\n\0
"
,
!
n
);
Cnf_DataFree
(
pCnf
);
return
vSop
;
}
}
Cnf_DataFree
(
pCnf
);
...
...
@@ -837,13 +842,86 @@ void Glucose_GenerateSop( Gia_Man_t * p )
Vec_IntFree
(
vVarMap
);
Vec_IntFree
(
vVars
);
bmcg_sat_solver_stop
(
pSat
[
0
]
);
bmcg_sat_solver_stop
(
pSat
[
1
]
);
return
vSop
;
}
void
Glucose_GenerateSopTest
(
Gia_Man_t
*
p
)
{
Vec_Str_t
*
vSop
=
Glucose_GenerateSop
(
p
);
printf
(
"%s"
,
Vec_StrArray
(
vSop
)
);
Vec_StrFree
(
vSop
);
}
bmcg_sat_solver_stop
(
pSat
[
0
]
);
bmcg_sat_solver_stop
(
pSat
[
1
]
);
/**Function*************************************************************
Synopsis [Performs SAT-based quantification.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int
bmcg_sat_solver_quantify2
(
Gia_Man_t
*
p
,
int
iLit
,
int
fHash
,
int
(
*
pFuncCiToKeep
)(
void
*
,
int
),
void
*
pData
)
{
extern
Gia_Man_t
*
Abc_SopSynthesizeOne
(
char
*
pSop
,
int
fClp
);
Gia_Man_t
*
pMan
,
*
pNew
,
*
pTemp
;
Vec_Str_t
*
vSop
;
int
i
,
CiId
,
ObjId
,
Res
,
Count
=
0
,
iNode
=
Abc_Lit2Var
(
iLit
);
Vec_Int_t
*
vCisUsed
=
Vec_IntAlloc
(
100
);
Gia_ManCollectCis
(
p
,
&
iNode
,
1
,
vCisUsed
);
// remap into CI Ids
Vec_IntForEachEntry
(
vCisUsed
,
ObjId
,
i
)
Vec_IntWriteEntry
(
vCisUsed
,
i
,
Gia_ManIdToCioId
(
p
,
ObjId
)
);
// duplicate cone
pNew
=
Gia_ManDupConeSupp
(
p
,
iLit
,
vCisUsed
);
assert
(
Gia_ManCiNum
(
pNew
)
==
Vec_IntSize
(
vCisUsed
)
);
//Gia_AigerWrite( pNew, "test1.aig", 0, 0 );
// perform quantification one CI at a time
assert
(
pFuncCiToKeep
);
Vec_IntForEachEntry
(
vCisUsed
,
CiId
,
i
)
if
(
!
pFuncCiToKeep
(
pData
,
CiId
)
)
{
//printf( "Quantifying %d.\n", CiId );
pNew
=
Gia_ManDupExist
(
pTemp
=
pNew
,
i
);
Gia_ManStop
(
pTemp
);
Count
++
;
}
//Gia_AigerWrite( pNew, "test2.aig", 0, 0 );
if
(
Gia_ManPoIsConst
(
pNew
,
0
)
)
{
int
RetValue
=
Gia_ManPoIsConst1
(
pNew
,
0
);
Vec_IntFree
(
vCisUsed
);
Gia_ManStop
(
pNew
);
return
RetValue
;
}
vSop
=
Glucose_GenerateSop
(
pNew
);
Gia_ManStop
(
pNew
);
printf
(
"Computed # with %d keep-vars and %d quant-vars with %d cubes.
\n
"
,
Vec_IntSize
(
vCisUsed
)
-
Count
,
Count
,
Vec_StrCountEntry
(
vSop
,
'\n'
)
);
pMan
=
Abc_SopSynthesizeOne
(
Vec_StrArray
(
vSop
),
0
);
Vec_StrFree
(
vSop
);
if
(
Gia_ManPoIsConst
(
pMan
,
0
)
)
{
int
RetValue
=
Gia_ManPoIsConst1
(
pMan
,
0
);
Vec_IntFree
(
vCisUsed
);
Gia_ManStop
(
pMan
);
return
RetValue
;
}
Res
=
Gia_ManDupConeBack
(
p
,
pMan
,
vCisUsed
);
Vec_IntFree
(
vCisUsed
);
Gia_ManStop
(
pMan
);
return
Res
;
}
/**Function*************************************************************
Synopsis [Performs SAT-based quantification.]
...
...
@@ -855,32 +933,31 @@ void Glucose_GenerateSop( Gia_Man_t * p )
SeeAlso []
***********************************************************************/
int
Gia_ManSatAndCollect_rec
(
Gia_Man_t
*
p
,
int
iObj
,
Vec_Int_t
*
vObjsUsed
,
Vec_Int_t
*
vCisUsed
,
Vec_Int_t
*
vCiSatVarsToKeep
,
int
(
*
pFuncCiToKeep
)(
void
*
,
int
),
void
*
pData
)
int
Gia_ManSatAndCollect_rec
(
Gia_Man_t
*
p
,
int
iObj
,
Vec_Int_t
*
vObjsUsed
,
Vec_Int_t
*
vCiVars
)
{
Gia_Obj_t
*
pObj
;
int
iVar
;
if
(
(
iVar
=
Gia_ObjCopyArray
(
p
,
iObj
))
>
0
)
if
(
(
iVar
=
Gia_ObjCopyArray
(
p
,
iObj
))
>
=
0
)
return
iVar
;
iVar
=
Vec_IntSize
(
vObjsUsed
);
Vec_IntPush
(
vObjsUsed
,
iObj
);
Gia_ObjSetCopyArray
(
p
,
iObj
,
iVar
);
pObj
=
Gia_ManObj
(
p
,
iObj
);
assert
(
Gia_ObjIsCand
(
pObj
)
);
if
(
Gia_ObjIsAnd
(
pObj
)
)
{
Gia_ManSatAndCollect_rec
(
p
,
Gia_ObjFaninId0
(
pObj
,
iObj
),
vObjsUsed
,
vCi
sUsed
,
vCiSatVarsToKeep
,
pFuncCiToKeep
,
pData
);
Gia_ManSatAndCollect_rec
(
p
,
Gia_ObjFaninId1
(
pObj
,
iObj
),
vObjsUsed
,
vCi
sUsed
,
vCiSatVarsToKeep
,
pFuncCiToKeep
,
pData
);
Gia_ManSatAndCollect_rec
(
p
,
Gia_ObjFaninId0
(
pObj
,
iObj
),
vObjsUsed
,
vCi
Vars
);
Gia_ManSatAndCollect_rec
(
p
,
Gia_ObjFaninId1
(
pObj
,
iObj
),
vObjsUsed
,
vCi
Vars
);
}
else
if
(
pFuncCiToKeep
&&
pFuncCiToKeep
(
pData
,
Gia_ObjCioId
(
pObj
))
)
Vec_IntPush
(
vCiSatVarsToKeep
,
iVar
);
if
(
vCisUsed
&&
Gia_ObjIsCi
(
pObj
)
)
Vec_IntPush
(
vCisUsed
,
iVar
);
iVar
=
Vec_IntSize
(
vObjsUsed
);
Vec_IntPush
(
vObjsUsed
,
iObj
);
Gia_ObjSetCopyArray
(
p
,
iObj
,
iVar
);
if
(
vCiVars
&&
Gia_ObjIsCi
(
pObj
)
)
Vec_IntPush
(
vCiVars
,
iVar
);
return
iVar
;
}
void
Gia_ManQuantLoadCnf
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vObjsUsed
,
bmcg_sat_solver
*
pSats
[]
)
{
Gia_Obj_t
*
pObj
;
int
i
;
bmcg_sat_solver_reset
(
pSats
[
0
]
);
if
(
pSats
[
1
]
)
bmcg_sat_solver_reset
(
pSats
[
1
]
);
bmcg_sat_solver_set_nvars
(
pSats
[
0
],
Vec_IntSize
(
vObjsUsed
)
);
if
(
pSats
[
1
]
)
bmcg_sat_solver_set_nvars
(
pSats
[
1
],
Vec_IntSize
(
vObjsUsed
)
);
...
...
@@ -895,6 +972,15 @@ void Gia_ManQuantLoadCnf( Gia_Man_t * p, Vec_Int_t * vObjsUsed, bmcg_sat_solver
if
(
pSats
[
1
]
)
bmcg_sat_solver_add_and
(
pSats
[
1
],
iVar
,
iVar0
,
iVar1
,
Gia_ObjFaninC0
(
pObj
),
Gia_ObjFaninC1
(
pObj
),
0
);
}
else
if
(
Gia_ObjIsConst0
(
pObj
)
)
{
int
Lit
=
Abc_Var2Lit
(
Gia_ObjCopyArray
(
p
,
0
),
1
);
int
RetValue
=
bmcg_sat_solver_addclause
(
pSats
[
0
],
&
Lit
,
1
);
assert
(
RetValue
);
if
(
pSats
[
1
]
)
bmcg_sat_solver_addclause
(
pSats
[
1
],
&
Lit
,
1
);
assert
(
Lit
==
1
);
}
}
int
Gia_ManFactorSop
(
Gia_Man_t
*
p
,
Vec_Int_t
*
vCiObjIds
,
Vec_Str_t
*
vSop
,
int
fHash
)
{
...
...
@@ -915,61 +1001,68 @@ int Gia_ManFactorSop( Gia_Man_t * p, Vec_Int_t * vCiObjIds, Vec_Str_t * vSop, in
Gia_ManStop
(
pMan
);
return
Result
;
}
int
bmcg_sat_solver_quantify3
(
bmcg_sat_solver
*
pSats
[],
Gia_Man_t
*
p
,
int
iLit
,
int
fHash
,
int
(
*
pFuncCiToKeep
)(
void
*
,
int
),
void
*
pData
)
{
return
bmcg_sat_solver_quantify2
(
p
,
iLit
,
fHash
,
pFuncCiToKeep
,
pData
);
}
int
bmcg_sat_solver_quantify
(
bmcg_sat_solver
*
pSats
[],
Gia_Man_t
*
p
,
int
iLit
,
int
fHash
,
int
(
*
pFuncCiToKeep
)(
void
*
,
int
),
void
*
pData
)
{
Vec_Int_t
*
vCiSatVarsToKeep
=
Vec_IntAlloc
(
100
);
Vec_Int_t
*
vObjsUsed
=
Vec_IntAlloc
(
100
);
Vec_Int_t
*
vCisUsed
=
Vec_IntAlloc
(
100
);
Vec_Int_t
*
vObjsUsed
=
Vec_IntAlloc
(
100
);
// GIA objs
Vec_Int_t
*
vCiVars
=
Vec_IntAlloc
(
100
);
// CI SAT vars
Vec_Int_t
*
vVarMap
=
NULL
;
Vec_Str_t
*
vSop
=
NULL
;
int
i
,
iVar
,
iVarLast
,
Lit
,
RetValue
,
Result
=
-
1
;
if
(
Vec_IntSize
(
&
p
->
vCopies
)
==
0
)
Gia_ManCleanCopyArray
(
p
);
int
i
,
iVar
,
iVarLast
,
Lit
,
RetValue
,
Count
=
0
,
Result
=
-
1
;
if
(
Vec_IntSize
(
&
p
->
vCopies
)
<
Gia_ManObjNum
(
p
)
)
Vec_IntFillExtra
(
&
p
->
vCopies
,
Gia_ManObjNum
(
p
),
-
1
);
// assign variable number 0 to const0 node
iVar
=
Vec_IntSize
(
vObjsUsed
);
Vec_IntPush
(
vObjsUsed
,
0
);
iVarLast
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit
),
vObjsUsed
,
vCisUsed
,
vCiSatVarsToKeep
,
pFuncCiToKeep
,
pData
);
Gia_ObjSetCopyArray
(
p
,
0
,
iVar
);
assert
(
iVar
==
0
);
// collect other variables
iVarLast
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit
),
vObjsUsed
,
vCiVars
);
Gia_ManQuantLoadCnf
(
p
,
vObjsUsed
,
pSats
);
Lit
=
Abc_Var2Lit
(
iVarLast
,
!
Abc_LitIsCompl
(
iLit
)
);
RetValue
=
bmcg_sat_solver_addclause
(
pSats
[
0
],
&
Lit
,
1
);
// check constants
Lit
=
Abc_Var2Lit
(
iVarLast
,
!
Abc_LitIsCompl
(
iLit
)
);
RetValue
=
bmcg_sat_solver_addclause
(
pSats
[
0
],
&
Lit
,
1
);
// offset
if
(
!
RetValue
||
bmcg_sat_solver_solve
(
pSats
[
0
],
NULL
,
0
)
==
GLUCOSE_UNSAT
)
{
Result
=
1
;
goto
cleanup
;
}
Lit
=
Abc_Var2Lit
(
iVarLast
,
Abc_LitIsCompl
(
iLit
)
);
RetValue
=
bmcg_sat_solver_addclause
(
pSats
[
1
],
&
Lit
,
1
);
RetValue
=
bmcg_sat_solver_addclause
(
pSats
[
1
],
&
Lit
,
1
);
// onset
if
(
!
RetValue
||
bmcg_sat_solver_solve
(
pSats
[
1
],
NULL
,
0
)
==
GLUCOSE_UNSAT
)
{
Result
=
0
;
goto
cleanup
;
}
// map used SAT vars into their cube IDs
// map CI SAT variables into their indexes used in the cubes
vVarMap
=
Vec_IntStartFull
(
Vec_IntSize
(
vObjsUsed
)
);
Vec_IntForEachEntry
(
vCiSatVarsToKeep
,
iVar
,
i
)
Vec_IntWriteEntry
(
vVarMap
,
iVar
,
i
);
vSop
=
Glucose_GenerateCubes
(
pSats
,
vCisUsed
,
vVarMap
);
printf
(
"%s"
,
Vec_StrArray
(
vSop
)
);
// remap SAT vars into obj IDs of CI nodes
Vec_IntForEachEntry
(
vCiSatVarsToKeep
,
iVar
,
i
)
Vec_IntWriteEntry
(
vCiSatVarsToKeep
,
i
,
Vec_IntEntry
(
vObjsUsed
,
iVar
)
);
Result
=
Gia_ManFactorSop
(
p
,
vCiSatVarsToKeep
,
vSop
,
fHash
);
Vec_IntForEachEntry
(
vCiVars
,
iVar
,
i
)
{
Gia_Obj_t
*
pObj
=
Gia_ManObj
(
p
,
Vec_IntEntry
(
vObjsUsed
,
iVar
)
);
assert
(
Gia_ObjIsCi
(
pObj
)
);
if
(
pFuncCiToKeep
(
pData
,
Gia_ObjCioId
(
pObj
))
)
Vec_IntWriteEntry
(
vVarMap
,
iVar
,
i
),
Count
++
;
}
// generate cubes
vSop
=
Glucose_GenerateCubes
(
pSats
,
vCiVars
,
vVarMap
);
//printf( "%s", Vec_StrArray(vSop) );
printf
(
"Computed # with %d keep-vars and %d quant-vars with %d cubes.
\n
"
,
Count
,
Vec_IntSize
(
vCiVars
)
-
Count
,
Vec_StrCountEntry
(
vSop
,
'\n'
)
);
// convert into object IDs
Vec_IntForEachEntry
(
vCiVars
,
iVar
,
i
)
Vec_IntWriteEntry
(
vCiVars
,
i
,
Vec_IntEntry
(
vObjsUsed
,
iVar
)
);
// convert into an AIG
Result
=
Gia_ManFactorSop
(
p
,
vCiVars
,
vSop
,
fHash
);
cleanup
:
Vec_IntForEachEntry
(
vObjsUsed
,
iVar
,
i
)
Gia_ObjSetCopyArray
(
p
,
iVar
,
-
1
);
Vec_IntFree
(
vCiSatVarsToKeep
);
Vec_IntFree
(
vObjsUsed
);
Vec_IntFree
(
vCi
sUsed
);
Vec_IntFree
(
vCi
Vars
);
Vec_IntFreeP
(
&
vVarMap
);
Vec_StrFreeP
(
&
vSop
);
return
Abc_LitNotCond
(
Result
,
Abc_LitIsCompl
(
iLit
)
);
return
Result
;
}
int
Gia_ManCiIsToKeep
(
void
*
pData
,
int
i
)
{
...
...
@@ -978,13 +1071,30 @@ int Gia_ManCiIsToKeep( void * pData, int i )
}
void
Glucose_QuantifyAigTest
(
Gia_Man_t
*
p
)
{
bmcg_sat_solver
*
pSats
[
2
]
=
{
bmcg_sat_solver_start
(),
bmcg_sat_solver_start
()
};
bmcg_sat_solver
*
pSats
[
3
]
=
{
bmcg_sat_solver_start
(),
bmcg_sat_solver_start
(),
bmcg_sat_solver_start
()
};
abctime
clk1
=
Abc_Clock
();
int
iRes1
=
bmcg_sat_solver_quantify
(
pSats
,
p
,
Gia_ObjFaninLit0p
(
p
,
Gia_ManPo
(
p
,
0
)),
0
,
Gia_ManCiIsToKeep
,
NULL
);
abctime
clk1d
=
Abc_Clock
()
-
clk1
;
int
iRes
=
bmcg_sat_solver_quantify
(
pSats
,
p
,
Gia_ObjFaninLit0p
(
p
,
Gia_ManPo
(
p
,
0
)),
0
,
Gia_ManCiIsToKeep
,
NULL
);
Gia_ManAppendCo
(
p
,
iRes
);
abctime
clk2
=
Abc_Clock
();
int
iRes2
=
bmcg_sat_solver_quantify2
(
p
,
Gia_ObjFaninLit0p
(
p
,
Gia_ManPo
(
p
,
0
)),
0
,
Gia_ManCiIsToKeep
,
NULL
);
abctime
clk2d
=
Abc_Clock
()
-
clk2
;
Abc_PrintTime
(
1
,
"Time1"
,
clk1d
);
Abc_PrintTime
(
1
,
"Time2"
,
clk2d
);
if
(
bmcg_sat_solver_equiv_overlap_check
(
pSats
[
2
],
p
,
iRes1
,
iRes2
,
1
)
)
printf
(
"Verification passed.
\n
"
);
else
printf
(
"Verification FAILED.
\n
"
);
Gia_ManAppendCo
(
p
,
iRes1
);
Gia_ManAppendCo
(
p
,
iRes2
);
bmcg_sat_solver_stop
(
pSats
[
0
]
);
bmcg_sat_solver_stop
(
pSats
[
1
]
);
bmcg_sat_solver_stop
(
pSats
[
2
]
);
}
/**Function*************************************************************
...
...
@@ -1003,11 +1113,17 @@ int bmcg_sat_solver_equiv_overlap_check( bmcg_sat_solver * pSat, Gia_Man_t * p,
bmcg_sat_solver
*
pSats
[
2
]
=
{
pSat
,
NULL
};
Vec_Int_t
*
vObjsUsed
=
Vec_IntAlloc
(
100
);
int
i
,
iVar
,
iSatVar
[
2
],
iSatLit
[
2
],
Lits
[
2
],
status
;
if
(
Vec_IntSize
(
&
p
->
vCopies
)
==
0
)
Gia_ManCleanCopyArray
(
p
);
if
(
Vec_IntSize
(
&
p
->
vCopies
)
<
Gia_ManObjNum
(
p
)
)
Vec_IntFillExtra
(
&
p
->
vCopies
,
Gia_ManObjNum
(
p
),
-
1
);
// assign const0 variable number 0
iVar
=
Vec_IntSize
(
vObjsUsed
);
Vec_IntPush
(
vObjsUsed
,
0
);
iSatVar
[
0
]
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit0
),
vObjsUsed
,
NULL
,
NULL
,
NULL
,
NULL
);
iSatVar
[
1
]
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit1
),
vObjsUsed
,
NULL
,
NULL
,
NULL
,
NULL
);
Gia_ObjSetCopyArray
(
p
,
0
,
iVar
);
assert
(
iVar
==
0
);
iSatVar
[
0
]
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit0
),
vObjsUsed
,
NULL
);
iSatVar
[
1
]
=
Gia_ManSatAndCollect_rec
(
p
,
Abc_Lit2Var
(
iLit1
),
vObjsUsed
,
NULL
);
iSatLit
[
0
]
=
Abc_Var2Lit
(
iSatVar
[
0
],
Abc_LitIsCompl
(
iLit0
)
);
iSatLit
[
1
]
=
Abc_Var2Lit
(
iSatVar
[
1
],
Abc_LitIsCompl
(
iLit1
)
);
Gia_ManQuantLoadCnf
(
p
,
vObjsUsed
,
pSats
);
...
...
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