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fix #4447, or mask it

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-03 19:32:05 -07:00
parent af90992858
commit 743573aac5
3 changed files with 14 additions and 21 deletions
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22
src/muz/base/dl_context.cpp
View file

@ -354,10 +354,9 @@ namespace datalog {
void context::restrict_predicates(func_decl_set const& preds) {
m_preds.reset();
func_decl_set::iterator it = preds.begin(), end = preds.end();
for (; it != end; ++it) {
TRACE("dl", tout << mk_pp(*it, m) << "\n";);
m_preds.insert(*it);
for (func_decl* p : preds) {
TRACE("dl", tout << mk_pp(p, m) << "\n";);
m_preds.insert(p);
}
}
@ -742,7 +741,7 @@ namespace datalog {
}
expr_ref context::get_background_assertion() {
return mk_and(m_background);
return mk_and(m_background);
}
void context::assert_expr(expr* e) {
@ -961,18 +960,17 @@ namespace datalog {
rule_ref_vector rv (rm);
get_rules_along_trace (rv);
expr_ref fml (m);
rule_ref_vector::iterator it = rv.begin (), end = rv.end ();
for (; it != end; it++) {
m_rule_manager.to_formula (**it, fml);
for (auto* r : rv) {
m_rule_manager.to_formula (*r, fml);
rules.push_back (fml);
// The concatenated names are already stored last-first, so do not need to be reversed here
const symbol& rule_name = (*it)->name();
const symbol& rule_name = r->name();
names.push_back (rule_name);
TRACE ("dl",
if (rule_name == symbol::null) {
tout << "Encountered unnamed rule: ";
(*it)->display(*this, tout);
r->display(*this, tout);
tout << "\n";
});
}
@ -1064,9 +1062,7 @@ namespace datalog {
--i;
}
}
rule_set::iterator it = m_rule_set.begin(), end = m_rule_set.end();
for (; it != end; ++it) {
rule* r = *it;
for (rule* r : m_rule_set) {
rm.to_formula(*r, fml);
func_decl* h = r->get_decl();
if (m_rule_set.is_output_predicate(h)) {

8
src/smt/smt_context.cpp
View file

@ -4483,9 +4483,9 @@ namespace smt {
return false;
}
void context::get_model(model_ref & m) {
if (inconsistent())
m = nullptr;
void context::get_model(model_ref & mdl) {
if (inconsistent() || !m.inc())
mdl = nullptr;
else {
mk_proto_model();
if (!m_model && m_proto_model) {
@ -4497,7 +4497,7 @@ namespace smt {
// no op
}
}
m = m_model.get();
mdl = m_model.get();
}
}

5
src/smt/theory_seq.cpp
View file

@ -507,8 +507,6 @@ bool theory_seq::fixed_length(expr* len_e, bool is_zero) {
m_fixed.contains(e)) {
return false;
}
m_trail_stack.push(insert_obj_trail<theory_seq, expr>(m_fixed, e));
m_fixed.insert(e);
@ -520,8 +518,7 @@ bool theory_seq::fixed_length(expr* len_e, bool is_zero) {
}
else if (!is_zero) {
unsigned _lo = lo.get_unsigned();
expr_ref_vector elems(m);
expr_ref_vector elems(m);
for (unsigned j = 0; j < _lo; ++j) {
m_sk.decompose(seq, head, tail);
elems.push_back(head);