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fix bug in model generation for COI filter

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-05-15 17:54:54 -07:00
parent 61dcdcb9d1
commit 3e1b9876db
1 changed files with 17 additions and 1 deletions
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18
src/muz/transforms/dl_mk_coi_filter.cpp
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@ -200,7 +200,23 @@ namespace datalog {
func_decl_set::iterator it = pruned_preds.begin();
extension_model_converter* mc0 = alloc(extension_model_converter, m);
for (; it != end; ++it) {
mc0->insert(*it, m.mk_true());
const rule_vector& rules = source.get_predicate_rules(*it);
expr_ref_vector fmls(m);
for (unsigned i = 0; i < rules.size(); ++i) {
app* head = rules[i]->get_head();
expr_ref_vector conj(m);
unsigned n = head->get_num_args()-1;
for (unsigned j = 0; j < head->get_num_args(); ++j) {
expr* arg = head->get_arg(j);
if (!is_var(arg)) {
conj.push_back(m.mk_eq(m.mk_var(j, m.get_sort(arg)), arg));
}
}
fmls.push_back(m.mk_and(conj.size(), conj.c_ptr()));
}
expr_ref fml(m);
fml = m.mk_or(fmls.size(), fmls.c_ptr());
mc0->insert(*it, fml);
}
m_context.add_model_converter(mc0);
}