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add model correction

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-29 19:08:10 -07:00
parent c75fd02c95
commit 2428bf18f1
11 changed files with 156 additions and 65 deletions
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31
src/opt/opt_context.cpp
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@ -1459,23 +1459,20 @@ namespace opt {
lbool context::run_qsat_opt() {
SASSERT(is_qsat_opt());
app_ref objective(m);
opt::bound_type bound;
expr_ref value(m);
lbool result = qe::maximize(m_hard_constraints, objective, value, bound, m_params);
if (result != l_undef) {
switch (bound) {
case opt::unbounded:
case opt::strict:
case opt::non_strict:
// set_max
break;
// TBD:
default:
break;
}
objective const& obj = m_objectives[0];
app_ref term(obj.m_term);
if (obj.m_type == O_MINIMIZE) {
term = m_arith.mk_uminus(term);
}
return l_undef;
inf_eps value;
lbool result = qe::maximize(m_hard_constraints, term, value, m_params);
if (result != l_undef && obj.m_type == O_MINIMIZE) {
value.neg();
}
if (result != l_undef) {
m_optsmt.update_lower(obj.m_index, value);
m_optsmt.update_upper(obj.m_index, value);
}
return result;
}
}

3
src/opt/optsmt.h
View file

@ -61,7 +61,9 @@ namespace opt {
void get_model(model_ref& mdl, svector<symbol>& labels);
model* get_model(unsigned index) const { return m_models[index]; }
void update_lower(unsigned idx, inf_eps const& r);
void update_upper(unsigned idx, inf_eps const& r);
void reset();
@ -82,6 +84,7 @@ namespace opt {
lbool update_upper();
};
};