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running updates to bv_solver (#4674)

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* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* dbg

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* bv

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* drat and fresh

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* move ackerman functionality

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* debugability

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* towards debugability

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* missing file

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove csp

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-07 20:35:32 -07:00 • committed by GitHub
parent 4d1a2a2784
commit d02b0cde7a
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63 changed files with 3060 additions and 3095 deletions
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69
src/sat/smt/euf_proof.cpp
View file

@ -19,53 +19,60 @@ Author:
namespace euf {
void solver::log_node(enode* n) {
if (m_drat) {
expr* e = n->get_owner();
if (is_app(e)) {
symbol const& name = to_app(e)->get_name();
s().get_drat().def_begin(n->get_owner_id(), name);
for (enode* arg : enode_args(n)) {
s().get_drat().def_add_arg(arg->get_owner_id());
}
s().get_drat().def_end();
}
else {
IF_VERBOSE(0, verbose_stream() << "logging binders is TBD\n");
}
}
}
void solver::log_bool_var(sat::bool_var v, enode* n) {
if (m_drat) {
s().get_drat().bool_def(v, n->get_owner_id());
void solver::init_drat() {
if (!m_drat_initialized)
get_drat().add_theory(m.get_basic_family_id(), symbol("euf"));
m_drat_initialized = true;
}
void solver::log_node(expr* e) {
if (!use_drat())
return;
if (is_app(e)) {
std::stringstream strm;
strm << mk_ismt2_func(to_app(e)->get_decl(), m);
get_drat().def_begin(e->get_id(), strm.str());
for (expr* arg : *to_app(e))
get_drat().def_add_arg(arg->get_id());
get_drat().def_end();
}
else {
IF_VERBOSE(0, verbose_stream() << "logging binders is TBD\n");
}
}
/**
* \brief logs antecedents to a proof trail.
*
* NB with theories, this is not a pure EUF justification,
* It is true modulo EUF and previously logged certificates
* so it isn't necessarily an axiom over EUF,
* We will here leave it to the EUF checker to perform resolution steps.
*/
void solver::log_antecedents(literal l, literal_vector const& r) {
TRACE("euf", log_antecedents(tout, l, r););
if (m_drat) {
literal_vector lits;
for (literal lit : r) lits.push_back(~lit);
if (l != sat::null_literal)
lits.push_back(l);
s().get_drat().add(lits, sat::status::th(true, m.get_basic_family_id()));
}
if (!use_drat())
return;
literal_vector lits;
for (literal lit : r) lits.push_back(~lit);
if (l != sat::null_literal)
lits.push_back(l);
get_drat().add(lits, sat::status::th(true, m.get_basic_family_id()));
}
void solver::log_antecedents(std::ostream& out, literal l, literal_vector const& r) {
for (sat::literal l : r) {
enode* n = m_var2node[l.var()];
expr* n = m_var2expr[l.var()];
out << ~l << ": ";
if (!l.sign()) out << "! ";
out << mk_pp(n->get_owner(), m) << "\n";
out << mk_pp(n, m) << "\n";
SASSERT(s().value(l) == l_true);
}
if (l != sat::null_literal) {
out << l << ": ";
if (l.sign()) out << "! ";
enode* n = m_var2node[l.var()];
out << mk_pp(n->get_owner(), m) << "\n";
expr* n = m_var2expr[l.var()];
out << mk_pp(n, m) << "\n";
}
}