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fix bugs reported by Filip Konecny <filip.konecny@epfl.ch> in PDR

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-04-25 13:39:11 -07:00
parent 780ad7cc17
commit 83add2bd9b
14 changed files with 176 additions and 34 deletions
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6
src/muz_qe/dl_mk_subsumption_checker.cpp
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@ -241,6 +241,7 @@ namespace datalog {
tgt.add_rule(new_rule);
subs_index.add(new_rule);
}
tgt.inherit_predicates(orig);
TRACE("dl",
tout << "original set size: "<<orig.get_num_rules()<<"\n"
<< "reduced set size: "<<tgt.get_num_rules()<<"\n"; );
@ -338,7 +339,7 @@ namespace datalog {
rule_set * res = alloc(rule_set, m_context);
bool modified = transform_rules(source, *res);
if(!m_have_new_total_rule && !modified) {
if (!m_have_new_total_rule && !modified) {
dealloc(res);
return 0;
}
@ -347,7 +348,7 @@ namespace datalog {
//During the construction of the new set we may discover new total relations
//(by quantifier elimination on the uninterpreted tails).
SASSERT(m_new_total_relation_discovery_during_transformation || !m_have_new_total_rule);
while(m_have_new_total_rule) {
while (m_have_new_total_rule) {
m_have_new_total_rule = false;
rule_set * old = res;
@ -355,7 +356,6 @@ namespace datalog {
transform_rules(*old, *res);
dealloc(old);
}
res->inherit_predicates(source);
return res;
}