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proof format

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-06-06 07:18:33 -07:00
parent ea365de820
commit b629960afb
8 changed files with 144 additions and 62 deletions
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21
src/shell/drat_frontend.cpp
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@ -170,21 +170,26 @@ public:
switch (hint.m_ty) {
case sat::hint_type::null_h:
break;
case sat::hint_type::cut_h:
case sat::hint_type::bound_h:
case sat::hint_type::farkas_h: {
case sat::hint_type::farkas_h:
case sat::hint_type::implied_eq_h: {
achecker.reset();
for (auto const& [coeff, a, b]: hint.m_eqs) {
for (auto const& [a, b]: hint.m_eqs) {
expr* x = exprs[a];
expr* y = exprs[b];
achecker.add_eq(x, y);
}
for (auto const& [a, b]: hint.m_diseqs) {
expr* x = exprs[a];
expr* y = exprs[b];
achecker.add_diseq(x, y);
}
unsigned sz = hint.m_literals.size();
for (unsigned i = 0; i < sz; ++i) {
auto const& [coeff, lit] = hint.m_literals[i];
app_ref e(to_app(m_b2e[lit.var()]), m);
if (i + 1 == sz && (sat::hint_type::bound_h == hint.m_ty || sat::hint_type::cut_h == hint.m_ty)) {
if (i + 1 == sz && sat::hint_type::bound_h == hint.m_ty) {
if (!achecker.add_conseq(coeff, e, lit.sign())) {
std::cout << "p failed checking hint " << e << "\n";
return false;
@ -220,12 +225,18 @@ public:
rw(sum);
std::cout << "sum: " << sum << "\n";
for (auto const& [coeff, a, b]: hint.m_eqs) {
for (auto const& [a, b]: hint.m_eqs) {
expr* x = exprs[a];
expr* y = exprs[b];
app_ref e(m.mk_eq(x, y), m);
std::cout << e << "\n";
}
for (auto const& [a, b]: hint.m_diseqs) {
expr* x = exprs[a];
expr* y = exprs[b];
app_ref e(m.mk_not(m.mk_eq(x, y)), m);
std::cout << e << "\n";
}
for (auto const& [coeff, lit] : hint.m_literals) {
app_ref e(to_app(m_b2e[lit.var()]), m);
if (lit.sign()) e = m.mk_not(e);