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
|
/**CFile****************************************************************
FileName [added.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [C-language MiniSat solver.]
Synopsis [Additional SAT solver procedures.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: added.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include <stdio.h>
#include <assert.h>
#include "solver.h"
#include "extra.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
struct clause_t
{
int size_learnt;
lit lits[0];
};
static inline int clause_size (clause* c) { return c->size_learnt >> 1; }
static inline lit* clause_begin (clause* c) { return c->lits; }
static inline int lit_var(lit l) { return l >> 1; }
static inline int lit_sign(lit l) { return (l & 1); }
static void Asat_ClauseWriteDimacs( FILE * pFile, clause * pC, bool fIncrement );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Write the clauses in the solver into a file in DIMACS format.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Asat_SolverWriteDimacs( solver * p, char * pFileName )
{
FILE * pFile;
void ** pClauses;
int nClauses, i;
// count the number of clauses
nClauses = p->clauses.size + p->learnts.size;
for ( i = 0; i < p->size; i++ )
if ( p->levels[i] == 0 && p->assigns[i] != l_Undef )
nClauses++;
// start the file
pFile = fopen( pFileName, "wb" );
fprintf( pFile, "c CNF generated by ABC on %s\n", Extra_TimeStamp() );
fprintf( pFile, "p cnf %d %d\n", p->size, nClauses );
// write the original clauses
nClauses = p->clauses.size;
pClauses = p->clauses.ptr;
for ( i = 0; i < nClauses; i++ )
Asat_ClauseWriteDimacs( pFile, pClauses[i], 1 );
// write the learned clauses
nClauses = p->learnts.size;
pClauses = p->learnts.ptr;
for ( i = 0; i < nClauses; i++ )
Asat_ClauseWriteDimacs( pFile, pClauses[i], 1 );
// write zero-level assertions
for ( i = 0; i < p->size; i++ )
if ( p->levels[i] == 0 && p->assigns[i] != l_Undef )
fprintf( pFile, "%s%d 0\n", (p->assigns[i] == l_False)? "-": "", i + 1 );
fprintf( pFile, "\n" );
fclose( pFile );
}
/**Function*************************************************************
Synopsis [Writes the given clause in a file in DIMACS format.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Asat_ClauseWriteDimacs( FILE * pFile, clause * pC, bool fIncrement )
{
lit * pLits = clause_begin(pC);
int nLits = clause_size(pC);
int i;
for ( i = 0; i < nLits; i++ )
fprintf( pFile, "%s%d ", (lit_sign(pLits[i])? "-": ""), lit_var(pLits[i]) + (int)(fIncrement>0) );
if ( fIncrement )
fprintf( pFile, "0" );
fprintf( pFile, "\n" );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
