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take 1 on flip conditions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-12-31 11:44:38 -08:00
parent a511b8bcf0
commit b415b82625
7 changed files with 71 additions and 35 deletions
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31
src/ast/sls/sls_bv_terms.cpp
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@ -114,6 +114,17 @@ namespace sls {
return r;
}
bool bv_terms::is_bv_predicate(expr* e) const {
if (!e || !is_app(e) || !m.is_bool(e))
return false;
auto a = to_app(e);
if (a->get_family_id() == bv.get_family_id())
return true;
if (m.is_eq(e) && bv.is_bv(a->get_arg(0)))
return true;
return false;
}
ptr_vector<expr> const& bv_terms::uninterp_occurs(expr* e) {
unsigned id = e->get_id();
m_uninterp_occurs.reserve(id + 1);
@ -133,21 +144,13 @@ namespace sls {
}
void bv_terms::register_uninterp(expr* e) {
if (!m.is_bool(e))
return;
expr* x, *y;
if (m.is_eq(e, x, y) && bv.is_bv(x))
;
else if (is_app(e) && to_app(e)->get_family_id() == bv.get_fid())
;
else
if (!is_bv_predicate(e))
return;
m_uninterp_occurs.reserve(e->get_id() + 1);
m_condition_occurs.reserve(e->get_id() + 1);
auto& occs = m_uninterp_occurs[e->get_id()];
auto& cond_occs = m_condition_occurs[e->get_id()];
ptr_vector<expr> todo;
ptr_vector<expr> todo, cond_todo;
todo.append(to_app(e)->get_num_args(), to_app(e)->get_args());
expr_mark marked;
expr* c, * th, * el;
@ -156,7 +159,13 @@ namespace sls {
if (marked.is_marked(e))
continue;
marked.mark(e);
if (is_app(e) && to_app(e)->get_family_id() == bv.get_fid()) {
if (is_bv_predicate(e))
cond_occs.push_back(e);
else if (is_app(e) && to_app(e)->get_family_id() == bv.get_fid()) {
for (expr* arg : *to_app(e))
todo.push_back(arg);
}
else if (m.is_bool(e) && to_app(e)->get_family_id() == basic_family_id) {
for (expr* arg : *to_app(e))
todo.push_back(arg);
}