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working on pareto and upper/lower bound facilities

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-11-08 13:52:27 -08:00
parent 6caee5e3ca
commit f350efffc7
4 changed files with 36 additions and 39 deletions
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27
src/opt/opt_context.cpp
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@ -37,38 +37,24 @@ namespace opt {
{
m_params.set_bool("model", true);
m_params.set_bool("unsat_core", true);
m_solver = alloc(opt_solver, m, m_params, symbol());
}
void context::optimize() {
if (!m_solver) {
symbol logic;
set_solver(alloc(opt_solver, m, m_params, logic));
}
// really just works for opt_solver now.
solver* s = m_solver.get();
opt_solver::scoped_push _sp(*s);
opt_solver& s = *m_solver.get();
opt_solver::scoped_push _sp(s);
for (unsigned i = 0; i < m_hard_constraints.size(); ++i) {
s->assert_expr(m_hard_constraints[i].get());
s.assert_expr(m_hard_constraints[i].get());
}
lbool is_sat;
is_sat = m_maxsmt(*s);
expr_ref_vector ans = m_maxsmt.get_assignment();
for (unsigned i = 0; i < ans.size(); ++i) {
s->assert_expr(ans[i].get());
}
lbool is_sat = m_maxsmt(s);
if (is_sat == l_true) {
is_sat = m_optsmt(opt_solver::to_opt(*s));
is_sat = m_optsmt(s);
}
}
void context::set_cancel(bool f) {
if (m_solver) {
m_solver->set_cancel(f);
@ -93,6 +79,7 @@ namespace opt {
m_solver->updt_params(m_params);
}
m_optsmt.updt_params(m_params);
m_maxsmt.updt_params(m_params);
}