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switch models for multiple box objectives. Feature request at codeplex issue 194, George Karpenov. Usage model is same as Pareto fronts you call check-sat multiple times until retrieving unsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
This commit is contained in:
Nikolaj Bjorner 2015-04-01 16:21:56 -07:00
parent 52619b9dbb
commit f8d04118d8
6 changed files with 40 additions and 5 deletions
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4
src/opt/optsmt.cpp
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@ -50,6 +50,7 @@ namespace opt {
for (unsigned i = 0; i < src.size(); ++i) {
if (src[i] >= dst[i]) {
dst[i] = src[i];
m_models.set(i, m_s->get_model(i));
m_lower_fmls[i] = fmls[i].get();
if (dst[i].is_pos() && !dst[i].is_finite()) { // review: likely done already.
m_lower_fmls[i] = m.mk_false();
@ -57,7 +58,7 @@ namespace opt {
}
}
else if (src[i] < dst[i] && !m.is_true(m_lower_fmls[i].get())) {
fmls[i] = m_lower_fmls[i].get();
fmls[i] = m_lower_fmls[i].get();
}
}
}
@ -410,6 +411,7 @@ namespace opt {
m_lower.push_back(inf_eps(rational(-1),inf_rational(0)));
m_upper.push_back(inf_eps(rational(1), inf_rational(0)));
m_lower_fmls.push_back(m.mk_true());
m_models.push_back(0);
return m_objs.size()-1;
}