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initial integration of opt

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-04-27 19:13:00 -07:00
commit 8205b45839
114 changed files with 3680 additions and 1370 deletions
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17
src/opt/opt_context.cpp
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@ -272,7 +272,8 @@ namespace opt {
s.assert_expr(m_hard_constraints);
IF_VERBOSE(1, verbose_stream() << "(optimize:check-sat)\n";);
lbool is_sat = s.check_sat(0,0);
TRACE("opt", tout << "initial search result: " << is_sat << "\n";);
TRACE("opt", tout << "initial search result: " << is_sat << "\n";
s.display(tout););
if (is_sat != l_false) {
s.get_model(m_model);
s.get_labels(m_labels);
@ -340,6 +341,14 @@ namespace opt {
fix_model(mdl);
}
void context::get_box_model(model_ref& mdl, unsigned index) {
if (index >= m_box_models.size()) {
throw default_exception("index into models is out of bounds");
}
mdl = m_box_models[index];
fix_model(mdl);
}
lbool context::execute_min_max(unsigned index, bool committed, bool scoped, bool is_max) {
if (scoped) get_solver().push();
lbool result = m_optsmt.lex(index, is_max);
@ -1036,6 +1045,10 @@ namespace opt {
TRACE("opt", tout << "Purifying " << term << "\n";);
term = purify(fm, term);
}
else if (m.is_ite(term)) {
TRACE("opt", tout << "Purifying " << term << "\n";);
term = purify(fm, term);
}
if (fm) {
m_model_converter = concat(m_model_converter.get(), fm.get());
}
@ -1226,7 +1239,7 @@ namespace opt {
out << " (";
display_objective(out, obj);
if (get_lower_as_num(i) != get_upper_as_num(i)) {
out << " (" << get_lower(i) << " " << get_upper(i) << ")";
out << " (interval " << get_lower(i) << " " << get_upper(i) << ")";
}
else {
out << " " << get_lower(i);