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Log ule rewrites

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This commit is contained in:
Jakob Rath 2022-09-28 11:01:23 +02:00
parent e08e124790
commit 480ba01cb0
2 changed files with 29 additions and 5 deletions
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24
src/math/polysat/ule_constraint.cpp
View file

@ -49,7 +49,15 @@ namespace polysat {
ule_constraint::ule_constraint(constraint_manager& m, pdd const& l, pdd const& r) :
constraint(m, ckind_t::ule_t), m_lhs(l), m_rhs(r) {
#ifndef NDEBUG
pdd const old_lhs = m_lhs;
pdd const old_rhs = m_rhs;
#endif
simplify();
#ifndef NDEBUG
if (old_lhs != m_lhs || old_rhs != m_rhs)
LOG("Simplify: " << ule_pp(l_true, old_lhs, old_rhs) << " --> " << ule_pp(l_true, m_lhs, m_rhs));
#endif
m_vars.append(m_lhs.free_vars());
for (auto v : m_rhs.free_vars())
@ -96,14 +104,20 @@ namespace polysat {
}
}
std::ostream& ule_constraint::display(std::ostream& out, lbool status) const {
out << m_lhs;
if (is_eq() && status == l_true) out << " == ";
else if (is_eq() && status == l_false) out << " != ";
std::ostream& ule_constraint::display(std::ostream& out, lbool status, pdd const& lhs, pdd const& rhs) {
out << lhs;
if (rhs.is_zero() && status == l_true) out << " == ";
else if (rhs.is_zero() && status == l_false) out << " != ";
// else if (lhs.is_one() && status == l_true) out << " != ";
// else if (lhs.is_one() && status == l_false) out << " == ";
else if (status == l_true) out << " <= ";
else if (status == l_false) out << " > ";
else out << " <=/> ";
return out << m_rhs;
return out << rhs;
}
std::ostream& ule_constraint::display(std::ostream& out, lbool status) const {
return display(out, status, m_lhs, m_rhs);
}
std::ostream& ule_constraint::display(std::ostream& out) const {

10
src/math/polysat/ule_constraint.h
View file

@ -32,6 +32,7 @@ namespace polysat {
~ule_constraint() override {}
pdd const& lhs() const { return m_lhs; }
pdd const& rhs() const { return m_rhs; }
static std::ostream& display(std::ostream& out, lbool status, pdd const& lhs, pdd const& rhs);
std::ostream& display(std::ostream& out, lbool status) const override;
std::ostream& display(std::ostream& out) const override;
static bool is_always_false(bool is_positive, pdd const& lhs, pdd const& rhs);
@ -49,4 +50,13 @@ namespace polysat {
void add_to_univariate_solver(solver& s, univariate_solver& us, unsigned dep, bool is_positive) const override;
};
struct ule_pp {
lbool status;
pdd lhs;
pdd rhs;
ule_pp(lbool status, pdd const& lhs, pdd const& rhs): status(status), lhs(lhs), rhs(rhs) {}
};
inline std::ostream& operator<<(std::ostream& out, ule_pp const& u) { return ule_constraint::display(out, u.status, u.lhs, u.rhs); }
}