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remove uneeded calls to datalog_context::get_rules(), since it can be expensive.

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thanks to Henning Guenther for finding this.

Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
This commit is contained in:
Nuno Lopes 2015-07-08 13:39:15 +01:00
parent eeef4d29d6
commit 8edd551f20
4 changed files with 23 additions and 16 deletions
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12
src/muz/pdr/pdr_dl_interface.cpp
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@ -84,10 +84,11 @@ lbool dl_interface::query(expr * query) {
m_pred2slice.reset();
ast_manager& m = m_ctx.get_manager();
datalog::rule_manager& rm = m_ctx.get_rule_manager();
datalog::rule_set& rules0 = m_ctx.get_rules();
datalog::rule_set old_rules(m_ctx.get_rules());
datalog::rule_set old_rules(rules0);
func_decl_ref query_pred(m);
rm.mk_query(query, m_ctx.get_rules());
rm.mk_query(query, rules0);
expr_ref bg_assertion = m_ctx.get_background_assertion();
check_reset();
@ -136,15 +137,16 @@ lbool dl_interface::query(expr * query) {
}
}
if (m_ctx.get_rules().get_output_predicates().empty()) {
const datalog::rule_set& rules = m_ctx.get_rules();
if (rules.get_output_predicates().empty()) {
m_context->set_unsat();
return l_false;
}
query_pred = m_ctx.get_rules().get_output_predicate();
query_pred = rules.get_output_predicate();
IF_VERBOSE(2, m_ctx.display_rules(verbose_stream()););
m_pdr_rules.replace_rules(m_ctx.get_rules());
m_pdr_rules.replace_rules(rules);
m_pdr_rules.close();
m_ctx.record_transformed_rules();
m_ctx.reopen();