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fixes based on benchmarking UFDTLIA/NIA/BV

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This commit is contained in:
Nikolaj Bjorner 2025-01-29 17:00:26 -08:00
parent f1e0950069
commit e3566288a4
3 changed files with 16 additions and 6 deletions
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5
src/ast/sls/sls_bv_lookahead.cpp
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@ -390,7 +390,8 @@ namespace sls {
if (bv.is_ule(a, x, y)) {
auto const& vx = wval(x);
auto const& vy = wval(y);
m_ev.m_tmp.set_bw(vx.bw);
m_ev.m_tmp2.set_bw(vx.bw);
if (is_true) {
if (vx.bits() <= vy.bits())
return 1.0;
@ -420,6 +421,8 @@ namespace sls {
auto const& vy = wval(y);
// x += 2^bw-1
// y += 2^bw-1
m_ev.m_tmp.set_bw(vx.bw);
m_ev.m_tmp2.set_bw(vx.bw);
vy.bits().copy_to(vy.nw, m_ev.m_tmp);
vx.bits().copy_to(vx.nw, m_ev.m_tmp2);
m_ev.m_tmp.set(vy.bw - 1, !m_ev.m_tmp.get(vy.bw - 1));

4
src/ast/sls/sls_bv_valuation.cpp
View file

@ -666,7 +666,6 @@ namespace sls {
void bv_valuation::tighten_range() {
// verbose_stream() << "tighten " << m_lo << " " << m_hi << " " << m_bits << "\n";
if (!has_range())
return;
@ -683,7 +682,7 @@ namespace sls {
if (!has_range())
return;
if (!in_range(m_bits)) {
if (!in_range(m_bits) || !in_range(m_fixed_values)) {
if (!can_set(m_lo))
return;
m_lo.copy_to(nw, m_fixed_values);
@ -698,7 +697,6 @@ namespace sls {
if (hi() < rational::power_of_two(i))
m_is_fixed.set(i, true);
// verbose_stream() << "post tighten " << m_lo << " " << m_hi << " " << m_bits << "\n";
SASSERT(well_formed());
}

13
src/ast/sls/sls_datatype_plugin.cpp
View file

@ -277,6 +277,15 @@ namespace sls {
if (!dt.is_datatype(e) || !g)
return expr_ref(m);
if (m_axiomatic_mode) {
init_values();
TRACE("dt", tout << "get value " << mk_bounded_pp(e, m) << " " << m_values.size() << " " << g->find(e)->get_root_id() << "\n";);
for (auto n : euf::enode_class(g->find(e))) {
auto id = n->get_id();
if (m_values.get(id, nullptr))
return expr_ref(m_values.get(id), m);
}
m_values.reset();
init_values();
return expr_ref(m_values.get(g->find(e)->get_root_id()), m);
}
@ -696,9 +705,9 @@ namespace sls {
}
for (unsigned j = 0; j < accs.size(); ++j) {
if (i == j)
args[i] = v0;
args.push_back(v0);
else
args[j] = m_model->get_some_value(accs[j]->get_range());
args.push_back(m_model->get_some_value(accs[j]->get_range()));
}
expr* new_val_t = m.mk_app(c, args);
set_eval0(t, new_val_t);