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change the add_var_bound() signature

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-11-07 16:23:21 -08:00 • committed by Lev Nachmanson
parent 1c8f28c2e9
commit c9be7b89c1
6 changed files with 367 additions and 122 deletions
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40
src/smt/theory_lra.cpp
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@ -422,8 +422,9 @@ class theory_lra::imp {
m_theory_var2var_index.setx(v, var, UINT_MAX);
m_var_index2theory_var.setx(var, v, UINT_MAX);
m_var_trail.push_back(v);
add_def_constraint(m_solver->add_var_bound(var, lp::GE, rational(c)));
add_def_constraint(m_solver->add_var_bound(var, lp::LE, rational(c)));
lp::explanation e;
add_def_constraint(m_solver->add_var_bound(var, lp::GE, rational(c), e));
add_def_constraint(m_solver->add_var_bound(var, lp::LE, rational(c), e));
return var;
}
@ -799,7 +800,15 @@ class theory_lra::imp {
m_definitions.setx(index, v, null_theory_var);
++m_stats.m_add_rows;
}
void process_conflict() {
NOT_IMPLEMENTED_YET();
}
bool is_infeasible() const {
return m_solver->get_status() == lp::lp_status::INFEASIBLE;
}
void internalize_eq(theory_var v1, theory_var v2) {
app_ref term(m.mk_fresh_const("eq", a.mk_real()), m);
scoped_internalize_state st(*this);
@ -809,8 +818,14 @@ class theory_lra::imp {
st.coeffs().push_back(rational::minus_one());
theory_var z = internalize_linearized_def(term, st);
lp::var_index vi = register_theory_var_in_lar_solver(z);
add_def_constraint(m_solver->add_var_bound(vi, lp::LE, rational::zero()));
add_def_constraint(m_solver->add_var_bound(vi, lp::GE, rational::zero()));
add_def_constraint(m_solver->add_var_bound(vi, lp::LE, rational::zero(), m_explanation));
if (is_infeasible()) {
process_conflict(); // exit here?
}
add_def_constraint(m_solver->add_var_bound(vi, lp::GE, rational::zero(), m_explanation));
if (is_infeasible()) {
process_conflict();
}
TRACE("arith",
{
expr* o1 = get_enode(v1)->get_owner();
@ -1226,10 +1241,12 @@ public:
get_enode(w)->get_owner())));
theory_var z = internalize_def(term);
lp::var_index vi = register_theory_var_in_lar_solver(z);
add_def_constraint(m_solver->add_var_bound(vi, lp::GE, rational::zero()));
add_def_constraint(m_solver->add_var_bound(vi, lp::LE, rational::zero()));
add_def_constraint(m_solver->add_var_bound(register_theory_var_in_lar_solver(v), lp::GE, rational::zero()));
add_def_constraint(m_solver->add_var_bound(register_theory_var_in_lar_solver(v), lp::LT, abs(r)));
lp::explanation e;
add_def_constraint(m_solver->add_var_bound(vi, lp::GE, rational::zero(), e));
add_def_constraint(m_solver->add_var_bound(vi, lp::LE, rational::zero(), e));
add_def_constraint(m_solver->add_var_bound(register_theory_var_in_lar_solver(v), lp::GE, rational::zero(), e));
add_def_constraint(m_solver->add_var_bound(register_theory_var_in_lar_solver(v), lp::LT, abs(r), e));
SASSERT(m_solver->get_status() != lp::lp_status::INFEASIBLE);
TRACE("arith", m_solver->print_constraints(tout << term << "\n"););
}
@ -2971,12 +2988,13 @@ public:
lp::constraint_index ci;
if (is_int && !is_true) {
rational bound = b.get_value(false).get_rational();
ci = m_solver->add_var_bound(vi, k, bound);
ci = m_solver->add_var_bound(vi, k, bound, m_explanation);
}
else {
ci = m_solver->add_var_bound(vi, k, b.get_value());
ci = m_solver->add_var_bound(vi, k, b.get_value(), m_explanation);
}
if (m_solver->get_status() == lp::lp_status::INFEASIBLE) {
NOT_IMPLEMENTED_YET();
return;
}
TRACE("arith", tout << "v" << b.get_var() << "\n";);