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fixes and more porting seq_eq_solver to self-contained module

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This commit is contained in:
Nikolaj Bjorner 2021-03-04 16:23:22 -08:00
parent 847724fb21
commit 38737db802
21 changed files with 354 additions and 230 deletions
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19
src/sat/smt/euf_model.cpp
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@ -88,18 +88,31 @@ namespace euf {
}
void solver::collect_dependencies(user_sort& us, deps_t& deps) {
ptr_buffer<enode> fresh_values;
for (enode* n : m_egraph.nodes()) {
expr* e = n->get_expr();
sort* srt = e->get_sort();
auto* mb = sort2solver(srt);
if (mb)
mb->add_dep(n, deps);
else
if (!mb)
deps.insert(n, nullptr);
else if (!mb->add_dep(n, deps))
fresh_values.push_back(n);
if (n->is_root() && m.is_uninterp(srt) && m.is_value(e))
us.register_value(e);
}
// fresh values depend on all non-fresh values of the same sort
for (enode* n : fresh_values) {
n->mark1();
deps.insert(n, nullptr);
}
for (enode* n : fresh_values)
for (enode* r : m_egraph.nodes())
if (r->is_root() && r->get_sort() == n->get_sort() && !r->is_marked1())
deps.add(n, r);
for (enode* n : fresh_values)
n->unmark1();
TRACE("euf",
for (auto const& d : deps.deps())
if (d.m_value) {