/**
\brief return the complement of variables that are currently assigned.
*/
void theory_wmaxsat::get_assignment(svector<bool>& result) {
result.reset();
if (!m_found_optimal) {
for (unsigned i = 0; i < m_vars.size(); ++i) {
result.push_back(false);
}
}
else {
std::sort(m_cost_save.begin(), m_cost_save.end());
for (unsigned i = 0,j = 0; i < m_vars.size(); ++i) {
if (j < m_cost_save.size() && m_cost_save[j] == static_cast<theory_var>(i)) {
result.push_back(false);
++j;
}
else {
result.push_back(true);
}
}
}
TRACE("opt",
tout << "cost save: ";
for (unsigned i = 0; i < m_cost_save.size(); ++i) {
tout << m_cost_save[i] << " ";
}
tout << "\nvars: ";
for (unsigned i = 0; i < m_vars.size(); ++i) {
tout << mk_pp(m_vars[i].get(), get_manager()) << " ";
}
tout << "\nassignment: ";
for (unsigned i = 0; i < result.size(); ++i) {
tout << result[i] << " ";
}
tout << "\n";);
// return true if n contains a variable in the range [begin, end]
bool operator()(expr * n, unsigned begin = 0, unsigned end = UINT_MAX) {
m_contains = false;
m_window = end - begin;
m_todo.reset();
m_cache.reset();
m_todo.push_back(expr_delta_pair(n, begin));
while (!m_todo.empty()) {
expr_delta_pair e = m_todo.back();
if (visit_children(e.m_node, e.m_delta)) {
m_cache.insert(e);
m_todo.pop_back();
}
if (m_contains) {
return true;
}
}
SASSERT(!m_contains);
return false;
}
virtual void prepare(cmd_context & ctx) { m_cmds.reset(); }
virtual void prepare(cmd_context & ctx) {
m_arg_idx = 0;
m_query_arg_idx = 0;
m_domain = 0;
m_kinds.reset();
}
void prepare(cmd_context & ctx) override { m_cmds.reset(); }