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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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src/opt/optsmt.h
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@ -38,6 +38,7 @@ namespace opt {
svector<smt::theory_var> m_vars;
symbol m_optsmt_engine;
model_ref m_model;
sref_vector<model> m_models;
public:
optsmt(ast_manager& m):
m(m), m_s(0), m_cancel(false), m_objs(m), m_lower_fmls(m) {}
@ -60,6 +61,7 @@ namespace opt {
inf_eps get_upper(unsigned index) const;
bool objective_is_model_valid(unsigned index) const;
void get_model(model_ref& mdl);
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);