mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-29 11:55:51 +00:00
Code Activity

bugbash

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-09 14:15:25 -08:00
parent f34e55e86e
commit 21711a14f5
7 changed files with 56 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/sat/smt/polysat_solver.cpp
View file

@ -359,37 +359,39 @@ namespace polysat {
return true;
}
void solver::add_axiom(char const* name, std::initializer_list<sat::literal> const& clause) {
void solver::add_axiom(char const* name, sat::literal const* begin, sat::literal const* end, bool is_redundant) {
++m_stats.m_num_axioms;
bool is_redundant = false;
sat::literal_vector lits;
proof_hint* hint = nullptr;
if (ctx.use_drat()) {
for (auto lit : clause)
lits.push_back(~lit);
hint = mk_proof_hint(name, lits, {});
for (auto& lit : lits)
lit.neg();
}
else {
for (auto lit : clause)
lits.push_back(lit);
}
validate_axiom(lits);
unsigned j = 0;
for (auto lit : lits) {
validate_axiom(sat::literal_vector(static_cast<unsigned>(end - begin), begin));
for (auto it = begin; it != end; ++it) {
auto lit = *it;
if (s().value(lit) == l_true && s().lvl(lit) == 0)
return;
if (s().value(lit) == l_false && s().lvl(lit) == 0)
continue;
lits[j++] = lit;
lits.push_back(lit);
}
lits.shrink(j);
proof_hint* hint = nullptr;
if (ctx.use_drat()) {
sat::literal_vector core;
for (auto lit : lits)
core.push_back(~lit);
hint = mk_proof_hint(name, core, {});
}
IF_VERBOSE(1, display_clause(name, verbose_stream(), lits));
s().add_clause(lits.size(), lits.data(), sat::status::th(is_redundant, get_id(), hint));
}
void solver::add_axiom(char const* name, sat::literal_vector const& clause, bool is_redundant) {
add_axiom(name, clause.begin(), clause.end(), is_redundant);
}
void solver::add_axiom(char const* name, std::initializer_list<sat::literal> const& clause) {
add_axiom(name, clause.begin(), clause.end(), false);
}
void solver::equiv_axiom(char const* name, sat::literal a, sat::literal b) {
add_axiom(name, { a, ~b });
add_axiom(name, { ~a, b });