bool context::check_watch_list(literal l) const {
watch_list & wl = const_cast<watch_list &>(m_watches[l.index()]);
l.neg();
watch_list::clause_iterator it = wl.begin_clause();
watch_list::clause_iterator end = wl.end_clause();
for (; it != end; ++it) {
clause * cls = *it;
TRACE("watch_list", tout << "l: "; display_literal(tout, l); tout << "\n";
display_clause(tout, cls); tout << "\n";);
SASSERT(l == cls->get_literal(0) || l == cls->get_literal(1));
}
void context::display_clause_detail(std::ostream & out, clause const * cls) const {
out << "lemma: " << cls->is_lemma() << "\n";
unsigned num_lits = cls->get_num_literals();
for (unsigned i = 0; i < num_lits; i++) {
literal l = cls->get_literal(i);
display_literal(out, l);
out << ", val: " << get_assignment(l) << ", lvl: " << get_assign_level(l)
<< ", ilvl: " << get_intern_level(l.var()) << ", var: " << l.var() << "\n"
<< mk_pp(bool_var2expr(l.var()), m_manager) << "\n\n";
}
}
void context::display_assignment(std::ostream & out) const {
if (!m_assigned_literals.empty()) {
out << "current assignment:\n";
for (literal lit : m_assigned_literals) {
display_literal(out, lit);
if (!is_relevant(lit)) out << " n ";
out << ": ";
display_verbose(out, m_manager, 1, &lit, m_bool_var2expr.c_ptr());
out << "\n";
}
}
}
void context::display_assignment(std::ostream & out) const {
if (!m_assigned_literals.empty()) {
out << "current assignment:\n";
literal_vector::const_iterator it = m_assigned_literals.begin();
literal_vector::const_iterator end = m_assigned_literals.end();
for (; it != end; ++it) {
display_literal(out, *it);
out << ": ";
display_verbose(out, m_manager, 1, &*it, m_bool_var2expr.c_ptr());
out << "\n";
}
}
}
void context::display_binary_clauses(std::ostream & out) const {
bool first = true;
unsigned l_idx = 0;
for (watch_list const& wl : m_watches) {
literal l1 = to_literal(l_idx++);
literal neg_l1 = ~l1;
literal const * it2 = wl.begin_literals();
literal const * end2 = wl.end_literals();
for (; it2 != end2; ++it2) {
literal l2 = *it2;
if (l1.index() < l2.index()) {
if (first) {
out << "binary clauses:\n";
first = false;
}
out << "(clause ";
display_literal(out, neg_l1);
out << " ";
display_literal(out, l2);
out << ")\n";
}
}
}
}
