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have free variable utility use a class for more efficient re-use

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-15 16:14:22 -07:00
parent 73070585b8
commit c09903288f
39 changed files with 300 additions and 303 deletions
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2
src/muz/rel/dl_mk_simple_joins.cpp
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@ -326,7 +326,7 @@ namespace datalog {
for(unsigned i=0; i<pos_tail_size; i++) {
rule_content.push_back(r->get_tail(i));
}
for(unsigned i=0; i<pos_tail_size; i++) {
for(unsigned i=0; i+1 < pos_tail_size; i++) {
app * t1 = r->get_tail(i);
var_idx_set t1_vars = rm.collect_vars(t1);
counter.count_vars(m, t1, -1); //temporarily remove t1 variables from counter