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use PB solver instead of full arithmetic for bouding Pareto fronts so that difference logic theory isn't broken. Codeplex issue 175

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-02-22 09:46:21 -08:00
parent 49483fdc28
commit c3232693f0
5 changed files with 51 additions and 54 deletions
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8
src/opt/opt_solver.cpp
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@ -86,6 +86,14 @@ namespace opt {
m_context.set_logic(logic);
}
void opt_solver::ensure_pb() {
smt::theory_id th_id = m.get_family_id("pb");
smt::theory* th = get_context().get_theory(th_id);
if (!th) {
get_context().register_plugin(alloc(smt::theory_pb, m, m_params));
}
}
smt::theory_opt& opt_solver::get_optimizer() {
smt::context& ctx = m_context.get_context();
smt::theory_id arith_id = m_context.m().get_family_id("arith");