1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/**CFile****************************************************************
FileName [sswMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Inductive prover with constraints.]
Synopsis [Calls to the SAT solver.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - September 1, 2008.]
Revision [$Id: sswMan.c,v 1.00 2008/09/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include "sswInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ssw_Man_t * Ssw_ManCreate( Aig_Man_t * pAig, Ssw_Pars_t * pPars )
{
Ssw_Man_t * p;
// prepare the sequential AIG
assert( Saig_ManRegNum(pAig) > 0 );
Aig_ManFanoutStart( pAig );
Aig_ManSetPioNumbers( pAig );
// create interpolation manager
p = ABC_ALLOC( Ssw_Man_t, 1 );
memset( p, 0, sizeof(Ssw_Man_t) );
p->pPars = pPars;
p->pAig = pAig;
p->nFrames = pPars->nFramesK + 1;
p->pNodeToFrames = ABC_CALLOC( Aig_Obj_t *, Aig_ManObjNumMax(p->pAig) * p->nFrames );
p->vCommon = Vec_PtrAlloc( 100 );
p->iOutputLit = -1;
// allocate storage for sim pattern
p->nPatWords = Aig_BitWordNum( Saig_ManPiNum(pAig) * p->nFrames + Saig_ManRegNum(pAig) );
p->pPatWords = ABC_CALLOC( unsigned, p->nPatWords );
// other
p->vNewLos = Vec_PtrAlloc( 100 );
p->vNewPos = Vec_IntAlloc( 100 );
p->vResimConsts = Vec_PtrAlloc( 100 );
p->vResimClasses = Vec_PtrAlloc( 100 );
// p->pPars->fVerbose = 1;
return p;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ssw_ManCountEquivs( Ssw_Man_t * p )
{
Aig_Obj_t * pObj;
int i, nEquivs = 0;
Aig_ManForEachObj( p->pAig, pObj, i )
nEquivs += ( Aig_ObjRepr(p->pAig, pObj) != NULL );
return nEquivs;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManPrintStats( Ssw_Man_t * p )
{
double nMemory = 1.0*Aig_ManObjNumMax(p->pAig)*p->nFrames*(2*sizeof(int)+2*sizeof(void*))/(1<<20);
printf( "Parameters: F = %d. AddF = %d. C-lim = %d. Constr = %d. MaxLev = %d. Mem = %0.2f Mb.\n",
p->pPars->nFramesK, p->pPars->nFramesAddSim, p->pPars->nBTLimit, Saig_ManConstrNum(p->pAig), p->pPars->nMaxLevs, nMemory );
printf( "AIG : PI = %d. PO = %d. Latch = %d. Node = %d. Ave SAT vars = %d.\n",
Saig_ManPiNum(p->pAig), Saig_ManPoNum(p->pAig), Saig_ManRegNum(p->pAig), Aig_ManNodeNum(p->pAig),
0/(p->pPars->nIters+1) );
printf( "SAT calls : Proof = %d. Cex = %d. Fail = %d. Lits proved = %d.\n",
p->nSatProof, p->nSatCallsSat, p->nSatFailsReal, Ssw_ManCountEquivs(p) );
printf( "SAT solver: Vars max = %d. Calls max = %d. Recycles = %d. Sim rounds = %d.\n",
p->nVarsMax, p->nCallsMax, p->nRecyclesTotal, p->nSimRounds );
printf( "NBeg = %d. NEnd = %d. (Gain = %6.2f %%). RBeg = %d. REnd = %d. (Gain = %6.2f %%).\n",
p->nNodesBeg, p->nNodesEnd, 100.0*(p->nNodesBeg-p->nNodesEnd)/(p->nNodesBeg?p->nNodesBeg:1),
p->nRegsBeg, p->nRegsEnd, 100.0*(p->nRegsBeg-p->nRegsEnd)/(p->nRegsBeg?p->nRegsBeg:1) );
p->timeOther = p->timeTotal-p->timeBmc-p->timeReduce-p->timeMarkCones-p->timeSimSat-p->timeSat;
ABC_PRTP( "BMC ", p->timeBmc, p->timeTotal );
ABC_PRTP( "Spec reduce", p->timeReduce, p->timeTotal );
ABC_PRTP( "Mark cones ", p->timeMarkCones, p->timeTotal );
ABC_PRTP( "Sim SAT ", p->timeSimSat, p->timeTotal );
ABC_PRTP( "SAT solving", p->timeSat, p->timeTotal );
ABC_PRTP( " unsat ", p->timeSatUnsat, p->timeTotal );
ABC_PRTP( " sat ", p->timeSatSat, p->timeTotal );
ABC_PRTP( " undecided", p->timeSatUndec, p->timeTotal );
ABC_PRTP( "Other ", p->timeOther, p->timeTotal );
ABC_PRTP( "TOTAL ", p->timeTotal, p->timeTotal );
// report the reductions
if ( p->pAig->nConstrs )
{
printf( "Statistics reflecting the use of constraints:\n" );
printf( "Total cones = %6d. Constraint cones = %6d. (%6.2f %%)\n",
p->nConesTotal, p->nConesConstr, 100.0*p->nConesConstr/p->nConesTotal );
printf( "Total equivs = %6d. Removed equivs = %6d. (%6.2f %%)\n",
p->nEquivsTotal, p->nEquivsConstr, 100.0*p->nEquivsConstr/p->nEquivsTotal );
printf( "NBeg = %d. NEnd = %d. (Gain = %6.2f %%). RBeg = %d. REnd = %d. (Gain = %6.2f %%).\n",
p->nNodesBegC, p->nNodesEndC, 100.0*(p->nNodesBegC-p->nNodesEndC)/(p->nNodesBegC?p->nNodesBegC:1),
p->nRegsBegC, p->nRegsEndC, 100.0*(p->nRegsBegC-p->nRegsEndC)/(p->nRegsBegC?p->nRegsBegC:1) );
}
}
/**Function*************************************************************
Synopsis [Frees the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManCleanup( Ssw_Man_t * p )
{
// Aig_ManCleanMarkAB( p->pAig );
assert( p->pMSat == NULL );
if ( p->pFrames )
{
Aig_ManCleanMarkAB( p->pFrames );
Aig_ManStop( p->pFrames );
p->pFrames = NULL;
memset( p->pNodeToFrames, 0, sizeof(Aig_Obj_t *) * Aig_ManObjNumMax(p->pAig) * p->nFrames );
}
if ( p->vSimInfo )
{
Vec_PtrFree( p->vSimInfo );
p->vSimInfo = NULL;
}
p->nConstrTotal = 0;
p->nConstrReduced = 0;
}
/**Function*************************************************************
Synopsis [Frees the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ssw_ManStop( Ssw_Man_t * p )
{
ABC_FREE( p->pVisited );
if ( p->pPars->fVerbose )//&& p->pPars->nStepsMax == -1 )
Ssw_ManPrintStats( p );
if ( p->ppClasses )
Ssw_ClassesStop( p->ppClasses );
if ( p->pSml )
Ssw_SmlStop( p->pSml );
if ( p->vDiffPairs )
Vec_IntFree( p->vDiffPairs );
if ( p->vInits )
Vec_IntFree( p->vInits );
Vec_PtrFree( p->vResimConsts );
Vec_PtrFree( p->vResimClasses );
Vec_PtrFree( p->vNewLos );
Vec_IntFree( p->vNewPos );
Vec_PtrFree( p->vCommon );
ABC_FREE( p->pNodeToFrames );
ABC_FREE( p->pPatWords );
ABC_FREE( p );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
