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fix seg-fault bugs reported by Arie

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-22 15:51:47 -08:00
parent d27997aa1b
commit 141236e975
6 changed files with 16 additions and 10 deletions
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18
src/muz_qe/pdr_context.cpp
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@ -1140,6 +1140,19 @@ namespace pdr {
e->get_data().m_value->add_rule(pred_rules[i]);
}
}
datalog::rule_set::iterator rit = rules.begin(), rend = rules.end();
for (; rit != rend; ++rit) {
datalog::rule* r = *rit;
pred_transformer* pt;
unsigned utz = r->get_uninterpreted_tail_size();
for (unsigned i = 0; i < utz; ++i) {
func_decl* pred = r->get_decl(i);
if (!rels.find(pred, pt)) {
pt = alloc(pred_transformer, *this, get_pdr_manager(), pred);
rels.insert(pred, pt);
}
}
}
// Initialize use list dependencies
decl2rel::iterator it = rels.begin(), end = rels.end();
for (; it != end; ++it) {
@ -1149,10 +1162,7 @@ namespace pdr {
obj_hashtable<func_decl>::iterator itf = deps.begin(), endf = deps.end();
for (; itf != endf; ++itf) {
TRACE("pdr", tout << mk_pp(pred, m) << " " << mk_pp(*itf, m) << "\n";);
if (!rels.find(*itf, pt_user)) {
pt_user = alloc(pred_transformer, *this, get_pdr_manager(), *itf);
rels.insert(*itf, pt_user);
}
VERIFY (rels.find(*itf, pt_user));
pt_user->add_use(pt);
}
}