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working on weighted maxsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-10-28 21:30:57 -07:00
parent 906bbb4eeb
commit d30f183476
5 changed files with 109 additions and 36 deletions
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16
src/opt/opt_context.cpp
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@ -59,14 +59,15 @@ namespace opt {
is_sat = opt::fu_malik_maxsat(*s, fmls_copy);
}
else {
is_sat = weighted_maxsat(*s, fmls_copy, m_weights);
is_sat = weighted_maxsat(get_opt_solver(*s), fmls_copy, m_weights);
}
std::cout << "is-sat: " << is_sat << "\n";
if (is_sat != l_true) {
return;
}
std::cout << "Satisfying soft constraints\n";
for (unsigned i = 0; i < fmls_copy.size(); ++i) {
std::cout << "Satisfying soft constraint: " << mk_pp(fmls_copy[i].get(), m) << "\n";
std::cout << mk_pp(fmls_copy[i].get(), m) << "\n";
}
}
@ -75,9 +76,7 @@ namespace opt {
for (unsigned i = 0; i < fmls_copy.size(); ++i) {
s->assert_expr(fmls_copy[i].get());
}
// SASSERT(instanceof(*s, opt_solver));
// if (!instsanceof ...) { throw ... invalid usage ..}
is_sat = optimize_objectives(dynamic_cast<opt_solver&>(*s), m_objectives, values);
is_sat = optimize_objectives(get_opt_solver(*s), m_objectives, values);
std::cout << "is-sat: " << is_sat << std::endl;
if (is_sat != l_true) {
@ -108,6 +107,13 @@ namespace opt {
return true;
}
opt_solver& context::get_opt_solver(solver& s) {
if (typeid(opt_solver) != typeid(s)) {
throw default_exception("BUG: optimization context has not been initialized correctly");
}
return dynamic_cast<opt_solver&>(s);
}
void context::cancel() {
if (m_solver) {
m_solver->cancel();