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#5751

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This commit is contained in:
Nikolaj Bjorner 2022-01-06 11:43:17 -08:00
parent 130a0c4aa0
commit dadda86bdc
1 changed files with 11 additions and 8 deletions
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19
src/opt/optsmt.cpp
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@ -49,14 +49,14 @@ namespace opt {
dst[i] = src[i];
m_models.set(i, m_s->get_model_idx(i));
m_s->get_labels(m_labels);
m_lower_fmls[i] = fmls[i].get();
m_lower_fmls[i] = fmls.get(i);
if (dst[i].is_pos() && !dst[i].is_finite()) { // review: likely done already.
m_lower_fmls[i] = m.mk_false();
fmls[i] = m.mk_false();
}
}
else if (src[i] < dst[i] && !m.is_true(m_lower_fmls[i].get())) {
fmls[i] = m_lower_fmls[i].get();
else if (src[i] < dst[i] && !m.is_true(m_lower_fmls.get(i))) {
fmls[i] = m_lower_fmls.get(i);
}
}
}
@ -202,6 +202,9 @@ namespace opt {
for (unsigned i = 0; i < obj_index; ++i)
commit_assignment(i);
bound = update_lower();
m_s->assert_expr(bound);
unsigned steps = 0;
unsigned step_incs = 0;
rational delta_per_step(1);
@ -282,7 +285,7 @@ namespace opt {
bool optsmt::can_increment_delta(vector<inf_eps> const& lower, unsigned i) {
arith_util arith(m);
inf_eps max_delta;
if (m_lower[i] < m_upper[i] && arith.is_int(m_objs[i].get())) {
if (m_lower[i] < m_upper[i] && arith.is_int(m_objs.get(i))) {
inf_eps delta = m_lower[i] - lower[i];
if (m_lower[i].is_finite() && delta > max_delta) {
return true;
@ -435,7 +438,7 @@ namespace opt {
bool progress = false;
for (unsigned i = 0; i < m_lower.size() && m.inc(); ++i) {
if (m_lower[i] <= mid[i] && mid[i] <= m_upper[i] && m_lower[i] < m_upper[i]) {
th.enable_record_conflict(bounds[i].get());
th.enable_record_conflict(bounds.get(i));
lbool is_sat = m_s->check_sat(1, bounds.data() + i);
switch(is_sat) {
case l_true:
@ -484,10 +487,10 @@ namespace opt {
}
for (unsigned i = 0; i < m_objs.size(); ++i) {
smt::theory_var v = solver.add_objective(m_objs[i].get());
smt::theory_var v = solver.add_objective(m_objs.get(i));
if (v == smt::null_theory_var) {
std::ostringstream out;
out << "Objective function '" << mk_pp(m_objs[i].get(), m) << "' is not supported";
out << "Objective function '" << mk_pp(m_objs.get(i), m) << "' is not supported";
throw default_exception(out.str());
}
m_vars.push_back(v);
@ -547,7 +550,7 @@ namespace opt {
// force lower_bound(i) <= objective_value(i)
void optsmt::commit_assignment(unsigned i) {
inf_eps lo = m_lower[i];
TRACE("opt", tout << "set lower bound of " << mk_pp(m_objs[i].get(), m) << " to: " << lo << "\n";
TRACE("opt", tout << "set lower bound of " << mk_pp(m_objs.get(i), m) << " to: " << lo << "\n";
tout << get_lower(i) << ":" << get_upper(i) << "\n";);
// Only assert bounds for bounded objectives
if (lo.is_finite()) {