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return box model based on index. Issue #955

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-31 08:12:53 -07:00
parent 0fb3161113
commit c99205fa7e
4 changed files with 38 additions and 7 deletions
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35
src/cmd_context/basic_cmds.cpp
View file

@ -100,13 +100,34 @@ public:
ATOMIC_CMD(exit_cmd, "exit", "exit.", ctx.print_success(); throw stop_parser_exception(););
ATOMIC_CMD(get_model_cmd, "get-model", "retrieve model for the last check-sat command", {
if (!ctx.is_model_available() || ctx.get_check_sat_result() == 0)
throw cmd_exception("model is not available");
model_ref m;
ctx.get_check_sat_result()->get_model(m);
ctx.display_model(m);
});
class get_model_cmd : public cmd {
unsigned m_index;
public:
get_model_cmd(): cmd("get-model"), m_index(0) {}
virtual char const * get_usage() const { return "[<index of box objective>]"; }
virtual char const * get_descr(cmd_context & ctx) const {
return "retrieve model for the last check-sat command.\nSupply optional index if retrieving a model corresponding to a box optimization objective";
}
virtual unsigned get_arity() const { return VAR_ARITY; }
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { return CPK_UINT; }
virtual void set_next_arg(cmd_context & ctx, unsigned index) { m_index = index; }
virtual void execute(cmd_context & ctx) {
if (!ctx.is_model_available() || ctx.get_check_sat_result() == 0)
throw cmd_exception("model is not available");
model_ref m;
if (m_index > 0 && ctx.get_opt()) {
ctx.get_opt()->get_box_model(m, m_index);
}
else {
ctx.get_check_sat_result()->get_model(m);
}
ctx.display_model(m);
}
virtual void reset(cmd_context& ctx) {
m_index = 0;
}
};
ATOMIC_CMD(get_assignment_cmd, "get-assignment", "retrieve assignment", {
if (!ctx.is_model_available() || ctx.get_check_sat_result() == 0)

1
src/cmd_context/cmd_context.h
View file

@ -124,6 +124,7 @@ public:
virtual bool is_pareto() = 0;
virtual void set_logic(symbol const& s) = 0;
virtual bool print_model() const = 0;
virtual void get_box_model(model_ref& mdl, unsigned index) = 0;
virtual void updt_params(params_ref const& p) = 0;
};

8
src/opt/opt_context.cpp
View file

@ -342,6 +342,14 @@ 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);

1
src/opt/opt_context.h
View file

@ -186,6 +186,7 @@ namespace opt {
virtual bool print_model() const;
virtual void set_model(model_ref& _m) { m_model = _m; }
virtual void get_model(model_ref& _m);
virtual void get_box_model(model_ref& _m, unsigned index);
virtual void fix_model(model_ref& _m);
virtual void collect_statistics(statistics& stats) const;
virtual proof* get_proof() { return 0; }