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test mbi

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-30 17:03:04 -07:00
parent a764d528a1
commit fb6e7e146b
3 changed files with 22 additions and 17 deletions
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32
src/sat/smt/q_mbi.cpp
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@ -203,14 +203,25 @@ namespace q {
expr_ref mbqi::solver_project(model& mdl, q_body& qb) {
for (app* v : qb.vars)
m_model->register_decl(v->get_decl(), mdl(v));
TRACE("q",
tout << "Project\n";
tout << *m_model << "\n";
tout << qb.vbody << "\n";
tout << "model of projection\n" << mdl << "\n";);
expr_ref_vector fmls(qb.vbody);
app_ref_vector vars(qb.vars);
fmls.append(qb.domain_eqs);
TRACE("q",
tout << "Project\n";
tout << *m_model << "\n";
tout << fmls << "\n";
tout << "model of projection\n" << mdl << "\n";
tout << "var args: " << qb.var_args.size() << "\n";
for (expr* f : fmls)
if (m_model->is_false(f))
tout << mk_pp(f, m) << " := false\n";
);
//
// TBD: need to compute projection based on eliminate_nested_vars,
// but apply it based on original formulas, or add constraints that
// nested variable occurrences are equal to their subsitutions.
// The result may not be a proper projection.
//
eliminate_nested_vars(fmls, qb);
mbp::project_plugin proj(m);
proj.extract_literals(*m_model, vars, fmls);
@ -220,17 +231,6 @@ namespace q {
if (p)
(*p)(*m_model, vars, fmls);
}
#if 0
// should be redundant
expr_safe_replace esubst(m);
for (app* v : qb.vars) {
expr_ref val = assign_value(*m_model, v);
if (!val)
return expr_ref(m);
esubst.insert(v, val);
}
esubst(fmls);
#endif
return mk_and(fmls);
}