From 0242566792d858275b39175936ad35e1faa22c63 Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Sun, 5 Dec 2021 11:54:05 -0800
Subject: [PATCH] remove
---
.../smt_tactic_core.cpp | 474 ------------------
1 file changed, 474 deletions(-)
delete mode 100644 enc_temp_folder/fe6ce1b742e2a086b6bab9a9a6a6456b/smt_tactic_core.cpp
diff --git a/enc_temp_folder/fe6ce1b742e2a086b6bab9a9a6a6456b/smt_tactic_core.cpp b/enc_temp_folder/fe6ce1b742e2a086b6bab9a9a6a6456b/smt_tactic_core.cpp
deleted file mode 100644
index 8aae7a197..000000000
--- a/enc_temp_folder/fe6ce1b742e2a086b6bab9a9a6a6456b/smt_tactic_core.cpp
+++ /dev/null
@@ -1,474 +0,0 @@
-/*++
-Copyright (c) 2011 Microsoft Corporation
-
-Module Name:
-
- smt_tactic.h
-
-Abstract:
-
- smt::context as a tactic.
-
-Author:
-
- Leonardo (leonardo) 2011-10-18
-
-Notes:
-
---*/
-#include "util/debug.h"
-#include "ast/rewriter/rewriter_types.h"
-#include "ast/ast_util.h"
-#include "ast/ast_ll_pp.h"
-#include "smt/smt_kernel.h"
-#include "smt/params/smt_params.h"
-#include "smt/params/smt_params_helper.hpp"
-#include "smt/smt_solver.h"
-#include "tactic/tactic.h"
-#include "tactic/tactical.h"
-#include "tactic/generic_model_converter.h"
-#include "solver/solver2tactic.h"
-#include "solver/solver.h"
-#include "solver/mus.h"
-#include "solver/parallel_tactic.h"
-#include "solver/parallel_params.hpp"
-
-typedef obj_map<expr, expr *> expr2expr_map;
-
-
-class smt_tactic : public tactic {
- ast_manager& m;
- smt_params m_params;
- params_ref m_params_ref;
- statistics m_stats;
- smt::kernel * m_ctx;
- symbol m_logic;
- progress_callback * m_callback;
- bool m_candidate_models;
- bool m_fail_if_inconclusive;
-
-public:
- smt_tactic(ast_manager& m, params_ref const & p):
- m(m),
- m_params_ref(p),
- m_ctx(nullptr),
- m_callback(nullptr),
- m_vars(m) {
- updt_params_core(p);
- TRACE("smt_tactic", tout << "p: " << p << "\n";);
- }
-
- tactic * translate(ast_manager & m) override {
- return alloc(smt_tactic, m, m_params_ref);
- }
-
- ~smt_tactic() override {
- SASSERT(m_ctx == nullptr);
- }
-
- smt_params & fparams() {
- return m_params;
- }
-
- params_ref & params() {
- return m_params_ref;
- }
-
- void updt_params_core(params_ref const & p) {
- smt_params_helper _p(p);
- m_candidate_models = _p.candidate_models();
- m_fail_if_inconclusive = p.get_bool("fail_if_inconclusive", true);
- }
-
- void updt_params(params_ref const & p) override {
- TRACE("smt_tactic", tout << "updt_params: " << p << "\n";);
- updt_params_core(p);
- fparams().updt_params(p);
- m_params_ref.copy(p);
- m_logic = p.get_sym(symbol("logic"), m_logic);
- if (m_logic != symbol::null && m_ctx) {
- m_ctx->set_logic(m_logic);
- }
- SASSERT(p.get_bool("auto_config", fparams().m_auto_config) == fparams().m_auto_config);
- }
-
- void collect_param_descrs(param_descrs & r) override {
- r.insert("fail_if_inconclusive", CPK_BOOL, "(default: true) fail if found unsat (sat) for under (over) approximated goal.");
- smt_params_helper::collect_param_descrs(r);
- }
-
-
- void collect_statistics(statistics & st) const override {
- if (m_ctx)
- m_ctx->collect_statistics(st); // ctx is still running...
- else
- st.copy(m_stats);
- }
-
- void cleanup() override {
- }
-
- void reset_statistics() override {
- m_stats.reset();
- }
-
- void set_logic(symbol const & l) override {
- m_logic = l;
- }
-
- void set_progress_callback(progress_callback * callback) override {
- m_callback = callback;
- }
-
- struct scoped_init_ctx {
- smt_tactic & m_owner;
- smt_params m_params; // smt-setup overwrites parameters depending on the current assertions.
- params_ref m_params_ref;
-
- scoped_init_ctx(smt_tactic & o, ast_manager & m):m_owner(o) {
- m_params = o.fparams();
- m_params_ref = o.params();
- smt::kernel * new_ctx = alloc(smt::kernel, m, m_params, m_params_ref);
- TRACE("smt_tactic", tout << "logic: " << o.m_logic << "\n";);
- new_ctx->set_logic(o.m_logic);
- if (o.m_callback) {
- new_ctx->set_progress_callback(o.m_callback);
- }
- o.m_ctx = new_ctx;
- }
-
- ~scoped_init_ctx() {
- smt::kernel * d = m_owner.m_ctx;
- m_owner.m_ctx = nullptr;
- m_owner.m_user_ctx = nullptr;
-
- if (d)
- dealloc(d);
- }
- };
-
- void handle_canceled(goal_ref const & in,
- goal_ref_buffer & result) {
- }
-
- void operator()(goal_ref const & in,
- goal_ref_buffer & result) override {
- try {
- IF_VERBOSE(10, verbose_stream() << "(smt.tactic start)\n";);
- tactic_report report("smt", *in);
- TRACE("smt_tactic", tout << this << "\nAUTO_CONFIG: " << fparams().m_auto_config << " HIDIV0: " << fparams().m_hi_div0 << " "
- << " PREPROCESS: " << fparams().m_preprocess << "\n";
- tout << "RELEVANCY: " << fparams().m_relevancy_lvl << "\n";
- tout << "fail-if-inconclusive: " << m_fail_if_inconclusive << "\n";
- tout << "params_ref: " << m_params_ref << "\n";
- tout << "nnf: " << fparams().m_nnf_cnf << "\n";);
- TRACE("smt_tactic_params", m_params.display(tout););
- TRACE("smt_tactic_detail", in->display(tout););
- TRACE("smt_tactic_memory", tout << "wasted_size: " << m.get_allocator().get_wasted_size() << "\n";);
- scoped_init_ctx init(*this, m);
- SASSERT(m_ctx);
-
- expr_ref_vector clauses(m);
- expr2expr_map bool2dep;
- ptr_vector<expr> assumptions;
- ref<generic_model_converter> fmc;
- if (in->unsat_core_enabled()) {
- extract_clauses_and_dependencies(in, clauses, assumptions, bool2dep, fmc);
- TRACE("mus", in->display_with_dependencies(tout);
- tout << clauses << "\n";);
- if (in->proofs_enabled() && !assumptions.empty())
- throw tactic_exception("smt tactic does not support simultaneous generation of proofs and unsat cores");
- for (unsigned i = 0; i < clauses.size(); ++i) {
- m_ctx->assert_expr(clauses[i].get());
- }
- }
- else if (in->proofs_enabled()) {
- unsigned sz = in->size();
- for (unsigned i = 0; i < sz; i++) {
- m_ctx->assert_expr(in->form(i), in->pr(i));
- }
- }
- else {
- unsigned sz = in->size();
- for (unsigned i = 0; i < sz; i++) {
- m_ctx->assert_expr(in->form(i));
- }
- }
- if (m_ctx->canceled()) {
- throw tactic_exception(Z3_CANCELED_MSG);
- }
- user_propagate_delay_init();
-
- lbool r;
- try {
- if (assumptions.empty() && !m_user_ctx)
- r = m_ctx->setup_and_check();
- else
- r = m_ctx->check(assumptions.size(), assumptions.data());
- }
- catch(...) {
- TRACE("smt_tactic", tout << "exception\n";);
- m_ctx->collect_statistics(m_stats);
- throw;
- }
- SASSERT(m_ctx);
- m_ctx->collect_statistics(m_stats);
- proof_ref pr(m_ctx->get_proof(), m);
- TRACE("smt_tactic", tout << r << " " << pr << "\n";);
- switch (r) {
- case l_true: {
- if (m_fail_if_inconclusive && !in->sat_preserved())
- throw tactic_exception("over-approximated goal found to be sat");
- // the empty assertion set is trivially satifiable.
- in->reset();
- result.push_back(in.get());
- // store the model in a no-op model converter, and filter fresh Booleans
- if (in->models_enabled()) {
- model_ref md;
- m_ctx->get_model(md);
- buffer<symbol> r;
- m_ctx->get_relevant_labels(nullptr, r);
- labels_vec rv;
- rv.append(r.size(), r.data());
- model_converter_ref mc;
- mc = model_and_labels2model_converter(md.get(), rv);
- mc = concat(fmc.get(), mc.get());
- in->add(mc.get());
- }
- if (m_ctx->canceled())
- throw tactic_exception(Z3_CANCELED_MSG);
- return;
- }
- case l_false: {
- if (m_fail_if_inconclusive && !in->unsat_preserved()) {
- TRACE("smt_tactic", tout << "failed to show to be unsat...\n";);
- throw tactic_exception("under-approximated goal found to be unsat");
- }
- // formula is unsat, reset the goal, and store false there.
- in->reset();
- expr_dependency * lcore = nullptr;
- if (in->unsat_core_enabled()) {
- unsigned sz = m_ctx->get_unsat_core_size();
- for (unsigned i = 0; i < sz; i++) {
- expr * b = m_ctx->get_unsat_core_expr(i);
- SASSERT(is_uninterp_const(b) && m.is_bool(b));
- expr * d = bool2dep.find(b);
- lcore = m.mk_join(lcore, m.mk_leaf(d));
- }
- }
-
- if (m.proofs_enabled() && !pr) pr = m.mk_asserted(m.mk_false()); // bail out
- if (pr && m.get_fact(pr) != m.mk_false()) pr = m.mk_asserted(m.mk_false()); // could happen in clause_proof mode
- in->assert_expr(m.mk_false(), pr, lcore);
-
- result.push_back(in.get());
- return;
- }
- case l_undef:
-
- if (m_ctx->canceled() && !pr) {
- throw tactic_exception(Z3_CANCELED_MSG);
- }
-
- if (m_fail_if_inconclusive && !m_candidate_models && !pr) {
- std::stringstream strm;
- strm << "smt tactic failed to show goal to be sat/unsat " << m_ctx->last_failure_as_string();
- throw tactic_exception(strm.str());
- }
- result.push_back(in.get());
- if (pr) {
- in->reset();
- in->assert_expr(m.get_fact(pr), pr, nullptr);
- in->updt_prec(goal::UNDER_OVER);
- }
- if (m_candidate_models) {
- switch (m_ctx->last_failure()) {
- case smt::NUM_CONFLICTS:
- case smt::THEORY:
- case smt::QUANTIFIERS:
- if (in->models_enabled()) {
- model_ref md;
- m_ctx->get_model(md);
- buffer<symbol> r;
- m_ctx->get_relevant_labels(nullptr, r);
- labels_vec rv;
- rv.append(r.size(), r.data());
- in->add(model_and_labels2model_converter(md.get(), rv));
- }
- return;
- default:
- break;
- }
- }
- if (pr) {
- return;
- }
- throw tactic_exception(m_ctx->last_failure_as_string());
- }
- }
- catch (rewriter_exception & ex) {
- throw tactic_exception(ex.msg());
- }
- }
-
- void* m_user_ctx = nullptr;
- user_propagator::push_eh_t m_push_eh;
- user_propagator::pop_eh_t m_pop_eh;
- user_propagator::fresh_eh_t m_fresh_eh;
- user_propagator::fixed_eh_t m_fixed_eh;
- user_propagator::final_eh_t m_final_eh;
- user_propagator::eq_eh_t m_eq_eh;
- user_propagator::eq_eh_t m_diseq_eh;
- expr_ref_vector m_vars;
- unsigned_vector m_var2internal;
- unsigned_vector m_internal2var;
-
- user_propagator::fixed_eh_t i_fixed_eh;
- user_propagator::final_eh_t i_final_eh;
- user_propagator::eq_eh_t i_eq_eh;
- user_propagator::eq_eh_t i_diseq_eh;
-
-
-
- struct callback : public user_propagator::callback {
- smt_tactic* t = nullptr;
- user_propagator::callback* cb = nullptr;
- unsigned_vector fixed, lhs, rhs;
- void propagate_cb(unsigned num_fixed, unsigned const* fixed_ids, unsigned num_eqs, unsigned const* eq_lhs, unsigned const* eq_rhs, expr* conseq) override {
- fixed.reset();
- lhs.reset();
- rhs.reset();
- for (unsigned i = 0; i < num_fixed; ++i)
- fixed.push_back(t->m_var2internal[i]);
- for (unsigned i = 0; i < num_eqs; ++i) {
- lhs.push_back(t->m_var2internal[eq_lhs[i]]);
- rhs.push_back(t->m_var2internal[eq_rhs[i]]);
- }
- cb->propagate_cb(num_fixed, fixed.data(), num_eqs, lhs.data(), rhs.data(), conseq);
- }
- };
-
- callback i_cb;
-
- void init_i_fixed_eh() {
- if (!m_fixed_eh)
- return;
- i_fixed_eh = [this](void* ctx, user_propagator::callback* cb, unsigned id, expr* value) {
- i_cb.t = this;
- i_cb.cb = cb;
- m_fixed_eh(ctx, &i_cb, m_internal2var[id], value);
- };
- m_ctx->user_propagate_register_fixed(i_fixed_eh);
- }
-
- void init_i_final_eh() {
- if (!m_final_eh)
- return;
- i_final_eh = [this](void* ctx, user_propagator::callback* cb) {
- i_cb.t = this;
- i_cb.cb = cb;
- m_final_eh(ctx, &i_cb);
- };
- m_ctx->user_propagate_register_final(i_final_eh);
- }
-
- void init_i_eq_eh() {
- if (!m_eq_eh)
- return;
- i_eq_eh = [this](void* ctx, user_propagator::callback* cb, unsigned u, unsigned v) {
- i_cb.t = this;
- i_cb.cb = cb;
- m_eq_eh(ctx, &i_cb, m_internal2var[u], m_internal2var[v]);
- };
- m_ctx->user_propagate_register_eq(i_eq_eh);
- }
-
- void init_i_diseq_eh() {
- if (!m_diseq_eh)
- return;
- i_diseq_eh = [this](void* ctx, user_propagator::callback* cb, unsigned u, unsigned v) {
- i_cb.t = this;
- i_cb.cb = cb;
- m_diseq_eh(ctx, &i_cb, m_internal2var[u], m_internal2var[v]);
- };
- m_ctx->user_propagate_register_diseq(i_diseq_eh);
- }
-
-
- void user_propagate_delay_init() {
- if (!m_user_ctx)
- return;
- m_ctx->user_propagate_init(m_user_ctx, m_push_eh, m_pop_eh, m_fresh_eh);
- init_i_fixed_eh();
- init_i_final_eh();
- init_i_eq_eh();
- init_i_diseq_eh();
-
- unsigned i = 0;
- for (expr* v : m_vars) {
- unsigned j = m_ctx->user_propagate_register(v);
- m_var2internal.setx(i, j, 0);
- m_internal2var.setx(j, i, 0);
- ++i;
- }
- }
-
- void user_propagate_init(
- void* ctx,
- user_propagator::push_eh_t& push_eh,
- user_propagator::pop_eh_t& pop_eh,
- user_propagator::fresh_eh_t& fresh_eh) override {
- m_vars.reset();
- m_fixed_eh = nullptr;
- m_final_eh = nullptr;
- m_eq_eh = nullptr;
- m_diseq_eh = nullptr;
- m_user_ctx = ctx;
- m_push_eh = push_eh;
- m_pop_eh = pop_eh;
- m_fresh_eh = fresh_eh;
- }
-
- void user_propagate_register_fixed(user_propagator::fixed_eh_t& fixed_eh) override {
- m_fixed_eh = fixed_eh;
- }
-
- void user_propagate_register_final(user_propagator::final_eh_t& final_eh) override {
- m_final_eh = final_eh;
- }
-
- void user_propagate_register_eq(user_propagator::eq_eh_t& eq_eh) override {
- m_eq_eh = eq_eh;
- }
-
- void user_propagate_register_diseq(user_propagator::eq_eh_t& diseq_eh) override {
- m_diseq_eh = diseq_eh;
- }
-
- unsigned user_propagate_register(expr* e) override {
- m_vars.push_back(e);
- return m_vars.size() - 1;
- }
-};
-
-static tactic * mk_seq_smt_tactic(ast_manager& m, params_ref const & p) {
- return alloc(smt_tactic, m, p);
-}
-
-
-tactic * mk_parallel_smt_tactic(ast_manager& m, params_ref const& p) {
- return mk_parallel_tactic(mk_smt_solver(m, p, symbol::null), p);
-}
-
-tactic * mk_smt_tactic_core(ast_manager& m, params_ref const& p, symbol const& logic) {
- parallel_params pp(p);
- return pp.enable() ? mk_parallel_tactic(mk_smt_solver(m, p, logic), p) : mk_seq_smt_tactic(m, p);
-}
-
-tactic * mk_smt_tactic_core_using(ast_manager& m, bool auto_config, params_ref const& _p) {
- parallel_params pp(_p);
- params_ref p = _p;
- p.set_bool("auto_config", auto_config);
- return using_params(pp.enable() ? mk_parallel_smt_tactic(m, p) : mk_seq_smt_tactic(m, p), p);
-}
-