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unit propagate with fingerprints

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This commit is contained in:
Nikolaj Bjorner 2021-10-04 20:01:46 -07:00
parent 8a85cfdb12
commit 281fb67d88
6 changed files with 50 additions and 37 deletions
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31
src/sat/smt/q_mam.cpp
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@ -1987,33 +1987,36 @@ namespace q {
m_backtrack_stack.resize(t->get_num_choices());
}
struct scoped_unmark {
code_tree* t;
scoped_unmark(code_tree* t) : t(t) {}
~scoped_unmark() {
for (enode* app : t->get_candidates())
if (app->is_marked1())
app->unmark1();
}
};
void execute(code_tree * t) {
TRACE("trigger_bug", tout << "execute for code tree:\n"; t->display(tout););
init(t);
if (t->filter_candidates()) {
for (unsigned i = 0; i < t->get_candidates().size(); ++i) {
if (t->filter_candidates()) {
scoped_unmark _unmark(t);
for (unsigned i = 0; i < t->get_candidates().size() && !ctx.resource_limits_exceeded(); ++i) {
enode* app = t->get_candidates()[i];
TRACE("trigger_bug", tout << "candidate\n" << mk_ismt2_pp(app->get_expr(), m) << "\n";);
if (!app->is_marked1() && app->is_cgr()) {
if (ctx.resource_limits_exceeded() || !execute_core(t, app))
return;
execute_core(t, app);
app->mark1();
}
}
for (enode* app : t->get_candidates()) {
if (app->is_marked1())
app->unmark1();
}
}
else {
for (unsigned i = 0; i < t->get_candidates().size(); ++i) {
for (unsigned i = 0; i < t->get_candidates().size() && !ctx.resource_limits_exceeded(); ++i) {
enode* app = t->get_candidates()[i];
TRACE("trigger_bug", tout << "candidate\n" << mk_ismt2_pp(app->get_expr(), m) << "\n";);
if (app->is_cgr()) {
TRACE("trigger_bug", tout << "is_cgr\n";);
if (ctx.resource_limits_exceeded() || !execute_core(t, app))
return;
}
if (app->is_cgr())
execute_core(t, app);
}
}
}