diff options
author | Alan Mishchenko <alanmi@berkeley.edu> | 2012-01-28 13:48:48 -0800 |
---|---|---|
committer | Alan Mishchenko <alanmi@berkeley.edu> | 2012-01-28 13:48:48 -0800 |
commit | a2df331852bb86830ff6df726a92396497a0deed (patch) | |
tree | bc89c866667b07eb5b39e276d03b6991e8dcf2df /src/sat/bsat | |
parent | 7a87f20c18f042fe4e8679d08227eb8f5ca34b84 (diff) | |
download | abc-a2df331852bb86830ff6df726a92396497a0deed.tar.gz abc-a2df331852bb86830ff6df726a92396497a0deed.tar.bz2 abc-a2df331852bb86830ff6df726a92396497a0deed.zip |
Variable timeframe abstraction.
Diffstat (limited to 'src/sat/bsat')
-rw-r--r-- | src/sat/bsat/satSolver2.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/sat/bsat/satSolver2.c b/src/sat/bsat/satSolver2.c index 25ba35c3..48c68154 100644 --- a/src/sat/bsat/satSolver2.c +++ b/src/sat/bsat/satSolver2.c @@ -1492,8 +1492,8 @@ void sat_solver2_rollback( sat_solver2* s ) assert( s->iVarPivot >= 0 && s->iVarPivot <= s->size ); veci_resize(&s->order, 0); if ( s->hClausePivot > 1 || s->hLearntPivot > 1 ) - { - // update order + { + // update order for ( i = 0; i < s->iVarPivot; i++ ) { if ( var_value(s, i) != varX ) @@ -1511,16 +1511,6 @@ void sat_solver2_rollback( sat_solver2* s ) pArray[j++] = pArray[k]; veci_resize(&s->wlists[i],j); } - // compact units - if ( s->fProofLogging ) { - for ( i = 0; i < s->size; i++ ) - if ( s->units[i] && !clause_is_used(s, s->units[i]) ) - { - var_set_value(s, i, varX); - s->reasons[i] = 0; - s->units[i] = 0; - } - } } // reset implication queue assert( (&s->trail_lim)->ptr[0] >= s->iSimpPivot ); @@ -1535,7 +1525,7 @@ void sat_solver2_rollback( sat_solver2* s ) } // resetn learned clauses if ( s->hLearntPivot < veci_size(&s->learnts) ) - { + { satset* first = satset_read(&s->learnts, s->hLearntPivot); veci_resize(&s->claActs, first->Id); if ( s->fProofLogging ) { @@ -1548,6 +1538,20 @@ void sat_solver2_rollback( sat_solver2* s ) // reset watcher lists for ( i = 2*s->iVarPivot; i < 2*s->size; i++ ) s->wlists[i].size = 0; + for ( i = s->iVarPivot; i < s->size; i++ ) + { + *((int*)s->vi + i) = 0; + s->levels [i] = 0; + s->assigns [i] = varX; + s->reasons [i] = 0; + s->units [i] = 0; +#ifdef USE_FLOAT_ACTIVITY2 + s->activity[i] = 0; +#else + s->activity[i] = (1<<10); +#endif + s->model [i] = 0; + } s->size = s->iVarPivot; // initialize other vars if ( s->size == 0 ) |