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add dependency tracking to proof from trim

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-07-04 16:24:09 +02:00
parent abf5aff0b3
commit f0d3cbe39d
3 changed files with 38 additions and 17 deletions
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21
src/cmd_context/extra_cmds/proof_cmds.cpp
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@ -43,6 +43,7 @@ Proof checker for clauses created during search.
#include "util/small_object_allocator.h"
#include "ast/ast_util.h"
#include "ast/ast_ll_pp.h"
#include "ast/arith_decl_plugin.h"
#include "smt/smt_solver.h"
#include "sat/sat_solver.h"
#include "sat/sat_drat.h"
@ -167,12 +168,22 @@ public:
trim.updt_params(p);
}
expr_ref mk_dep(unsigned id, unsigned_vector const& deps) {
arith_util a(m);
expr_ref_vector args(m);
args.push_back(a.mk_int(id));
for (auto d : deps)
args.push_back(a.mk_int(d));
return expr_ref(m.mk_app(symbol("deps"), args.size(), args.data(), m.mk_proof_sort()), m);
}
void do_trim(std::ostream& out) {
ast_pp_util pp(m);
auto ids = trim.trim();
for (unsigned id : ids) {
auto const& clause = m_clauses[id];
for (auto const& [id, deps] : ids) {
auto& clause = m_clauses[id];
bool is_infer = m_is_infer[id];
clause.push_back(mk_dep(id, deps));
for (expr* e : clause)
pp.collect(e);
@ -268,8 +279,10 @@ public:
}
void add_literal(expr* e) override {
if (m.is_proof(e))
m_proof_hint = to_app(e);
if (m.is_proof(e)) {
if (!m_proof_hint)
m_proof_hint = to_app(e);
}
else if (!m.is_bool(e))
throw default_exception("literal should be either a Proof or Bool");
else