mirror of
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Sls (#7439)
* reorg sls * sls * na * split into base and plugin * move sat_params to params directory, add op_def repair options * move sat_ddfw to sls, initiate sls-bv-plugin * porting bv-sls * adding basic plugin * na Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add sls-sms solver * bv updates * updated dependencies Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * updated dependencies Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use portable ptr-initializer Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * move definitions to cpp Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use template<> syntax Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix compiler errors for gcc Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Bump docker/build-push-action from 6.0.0 to 6.1.0 (#7265) Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.0.0 to 6.1.0. - [Release notes](https://github.com/docker/build-push-action/releases) - [Commits](https://github.com/docker/build-push-action/compare/v6.0.0...v6.1.0) --- updated-dependencies: - dependency-name: docker/build-push-action dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * set clean shutdown for local search and re-enable local search when it parallelizes with PB solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Bump docker/build-push-action from 6.1.0 to 6.2.0 (#7269) Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.1.0 to 6.2.0. - [Release notes](https://github.com/docker/build-push-action/releases) - [Commits](https://github.com/docker/build-push-action/compare/v6.1.0...v6.2.0) --- updated-dependencies: - dependency-name: docker/build-push-action dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * Fix a comment for Z3_solver_from_string (#7271) Z3_solver_from_string accepts a string buffer with solver assertions, not a string buffer with filename. * trigger the build with a comment change Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * remove macro distinction #7270 * fix #7268 * kludge to address #7232, probably superseeded by planned revision to setup/pypi Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add new ema invariant (#7288) * Bump docker/build-push-action from 6.2.0 to 6.3.0 (#7280) Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.2.0 to 6.3.0. - [Release notes](https://github.com/docker/build-push-action/releases) - [Commits](https://github.com/docker/build-push-action/compare/v6.2.0...v6.3.0) --- updated-dependencies: - dependency-name: docker/build-push-action dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * merge Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix unit test build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove shared attribute Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove stale files Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix build of unit test Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes and rename sls-cc to sls-euf-plugin Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * na Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * testing / debugging arithmetic * updates to repair logic, mainly arithmetic * fixes to sls * evolve sls arith * bugfixes in sls-arith * fix typo Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * bug fixes * Update sls_test.cpp * fixes * fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * refactor basic plugin and clause generation Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to ite and other Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * updates * update Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix division by 0 Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable fail restart Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable tabu when using reset moves Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * update sls_test Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add factoring Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to semantics Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * re-add tabu override Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * generalize factoring Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix bug Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove restart Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable tabu in fallback modes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * localize impact of factoring Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * delay factoring Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * flatten products Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * perform lookahead update + nested mul Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable nested mul Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable nested mul, use non-lookahead Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * make reset updates recursive Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * include linear moves Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * include 5% reset probability Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * separate linear update Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * separate linear update remove 20% threshold Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove linear opt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * enable multiplier expansion, enable linear move Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use unit coefficients for muls Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * disable non-tabu version of find_nl_moves Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove coefficient from multiplication definition Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * reorg monomials Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add smt params to path Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * avoid negative reward Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use reward as proxy for score Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use reward as proxy for score Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use exponential decay with breaks Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use std::pow Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to bv Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to fixed Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixup repairs Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * reserve for multiplication Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixing repair Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * include bounds checks in set random * na * fixes to mul Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix mul inverse Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to handling signed operators Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * logging and fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * gcm Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * peli Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Add .env to gitignore to prevent environment files from being tracked * Add m_num_pelis counter to stats in sls_context * Remove m_num_pelis member from stats struct in sls_context * Enhance bv_sls_eval with improved repair and logging, refine is_bv_predicate in sls_bv_plugin * Remove verbose logging in register_term function of sls_basic_plugin and fix formatting in sls_context * Rename source files for consistency in `src/ast/sls` directory * Refactor bv_sls files to sls_bv with namespace and class name adjustments * Remove typename from member declarations in bv_fixed class * fixing conca Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Add initial implementation of bit-vector SLS evaluation module in bv_sls_eval.cpp * Remove bv_sls_eval.cpp as part of code cleanup and refactoring * Refactor alignment of member variables in bv_plugin of sls namespace * Rename SLS engine related files to reflect their specific use for bit-vectors * Refactor SLS engine and evaluator components for bit-vector specifics and adjust memory manager alignment * Enhance bv_eval with use_current, lookahead strategies, and randomization improvements in SLS module * Refactor verbose logging and fix logic in range adjustment functions in sls bv modules * Remove commented verbose output in sls_bv_plugin.cpp during repair process * Add early return after setting fixed subterms in sls_bv_fixed.cpp * Remove redundant return statement in sls_bv_fixed.cpp * fixes to new value propagation Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Refactor sls bv evaluation and fix logic checks for bit operations * Add array plugin support and update bv_eval in ast_sls module * Add array, model value, and user sort plugins to SLS module with enhancements in array propagation logic * Refactor array_plugin in sls to improve handling of select expressions with multiple arguments * Enhance array plugin with early termination and propagation verification, and improve euf and user sort plugins with propagation adjustments and debugging enhancements * Add support for handling 'distinct' expressions in SLS context and user sort plugin * Remove model value and user sort plugins from SLS theory * replace user plugin by euf plugin Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove extra file Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Refactor handling of term registration and enhance distinct handling in sls_euf_plugin * Add TODO list for enhancements in sls_euf_plugin.cpp * add incremental mode * updated package * fix sls build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * break sls build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix build * break build again * fix build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixing incremental Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * avoid units Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixup handling of disequality propagation Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fx Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * recover shift-weight loop Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * alternate Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * throttle save model Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * allow for alternating Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix test for new signature of flip Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * bug fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * restore use of value_hash Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding dt plugin Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * dt updates Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * added cycle detection Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * updated sls-datatype Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Refactor context management, improve datatype handling, and enhance logging in sls plugins. * axiomatize dt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing factory plugins to model Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixup finite domain search Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixup finite domain search Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * redo dfs Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixing model construction for underspecified operators Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to occurs check Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixup interpretation building Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * saturate worklist Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * delay distinct axiom Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding model-based sls for datatatypes * update the interface in sls_solver to transfer phase between SAT and SLS * add value transfer option Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * rename aux functions * Track shared variables using a unit set * debugging parallel integration * fix dirty flag setting * update log level * add plugin to smt_context, factor out sls_smt_plugin functionality. * bug fixes * fixes * use common infrastructure for sls-smt * fix build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix build Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * remove declaration of context Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add virtual destructor Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * build warnings Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * reorder inclusion order to define smt_context before theory_sls Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * change namespace for single threaded Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * check delayed eqs before nla Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use independent completion flag for sls to avoid conflating with genuine cancelation * validate sls-arith lemmas Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * bugfixes Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add intblast to legacy SMT solver * fixup model generation for theory_intblast Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * na Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * mk_value needs to accept more cases where integer expression doesn't evalate Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use th-axioms to track origins of assertions Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing operator handling for bitwise operators Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing operator handling for bitwise operators Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * normalizing inequality Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add virtual destructor Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * rework elim_unconstrained * fix non-termination Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use glue as computed without adjustment * update model generation to fix model bug Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fixes to model construction * remove package and package lock Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix build warning Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use original gai Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> --------- Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> Signed-off-by: dependabot[bot] <support@github.com> Signed-off-by: Lev Nachmanson <levnach@hotmail.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Sergey Bronnikov <estetus@gmail.com> Co-authored-by: Lev Nachmanson <levnach@hotmail.com> Co-authored-by: LiviaSun <33578456+ChuyueSun@users.noreply.github.com>
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commit
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120 changed files with 11172 additions and 4148 deletions
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src/ast/sls/sls_smt_plugin.cpp
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315
src/ast/sls/sls_smt_plugin.cpp
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/*++
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Copyright (c) 2024 Microsoft Corporation
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Module Name:
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sls_smt_plugin.cpp
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Abstract:
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A Stochastic Local Search (SLS) Plugin.
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Author:
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Nikolaj Bjorner (nbjorner) 2024-07-10
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--*/
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#include "ast/sls/sls_smt_plugin.h"
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#include "ast/for_each_expr.h"
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#include "ast/bv_decl_plugin.h"
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namespace sls {
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smt_plugin::smt_plugin(smt_context& ctx) :
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ctx(ctx),
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m(ctx.get_manager()),
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m_sls(),
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m_sync(),
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m_smt2sync_tr(m, m_sync),
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m_smt2sls_tr(m, m_sls),
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m_sync_uninterp(m_sync),
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m_sls_uninterp(m_sls),
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m_sync_values(m_sync),
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m_context(m_sls, *this)
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{
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}
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smt_plugin::~smt_plugin() {
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SASSERT(!m_ddfw);
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}
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void smt_plugin::check(expr_ref_vector const& fmls, vector <sat::literal_vector> const& clauses) {
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SASSERT(!m_ddfw);
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// set up state for local search theory_sls here
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m_result = l_undef;
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m_completed = false;
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m_units.reset();
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m_has_units = false;
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m_sls_model = nullptr;
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m_ddfw = alloc(sat::ddfw);
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m_ddfw->set_plugin(this);
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m_ddfw->updt_params(ctx.get_params());
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for (auto const& clause : clauses) {
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m_ddfw->add(clause.size(), clause.data());
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for (auto lit : clause)
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add_shared_var(lit.var(), lit.var());
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}
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for (auto v : m_shared_bool_vars) {
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expr* e = ctx.bool_var2expr(v);
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if (!e)
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continue;
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m_context.register_atom(v, m_smt2sls_tr(e));
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for (auto t : subterms::all(expr_ref(e, m)))
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add_shared_term(t);
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}
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for (auto fml : fmls)
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m_context.add_constraint(m_smt2sls_tr(fml));
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for (unsigned v = 0; v < ctx.get_num_bool_vars(); ++v) {
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expr* e = ctx.bool_var2expr(v);
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if (!e)
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continue;
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expr_ref sls_e(m_sls);
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sls_e = m_smt2sls_tr(e);
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auto w = m_context.atom2bool_var(sls_e);
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if (w == sat::null_bool_var)
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continue;
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add_shared_var(v, w);
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for (auto t : subterms::all(expr_ref(e, m)))
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add_shared_term(t);
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}
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m_thread = std::thread([this]() { run(); });
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}
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void smt_plugin::run() {
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if (!m_ddfw)
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return;
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m_result = m_ddfw->check(0, nullptr);
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m_ddfw->collect_statistics(m_st);
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IF_VERBOSE(1, verbose_stream() << "sls-result " << m_result << "\n");
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m_completed = true;
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}
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void smt_plugin::finalize(model_ref& mdl, ::statistics& st) {
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auto* d = m_ddfw;
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if (!d)
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return;
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bool canceled = !m_completed;
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IF_VERBOSE(3, verbose_stream() << "finalize\n");
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if (!m_completed)
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d->rlimit().cancel();
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if (m_thread.joinable())
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m_thread.join();
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SASSERT(m_completed);
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st.copy(m_st);
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mdl = nullptr;
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if (m_result == l_true && m_sls_model) {
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ast_translation tr(m_sls, m);
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mdl = m_sls_model->translate(tr);
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TRACE("sls", tout << "model: " << *m_sls_model << "\n";);
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if (!canceled)
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ctx.set_finished();
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}
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m_ddfw = nullptr;
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// m_ddfw owns the pointer to smt_plugin and destructs it.
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dealloc(d);
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}
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std::ostream& smt_plugin::display(std::ostream& out) {
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m_ddfw->display(out);
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m_context.display(out);
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return out;
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}
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bool smt_plugin::is_shared(sat::literal lit) {
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auto w = m_smt_bool_var2sls_bool_var.get(lit.var(), sat::null_bool_var);
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if (w != sat::null_bool_var)
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return true;
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auto e = ctx.bool_var2expr(lit.var());
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expr* t = nullptr;
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if (!e)
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return false;
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bv_util bv(m);
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if (bv.is_bit2bool(e, t) && m_shared_terms.contains(t->get_id())) {
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verbose_stream() << "shared bit2bool " << mk_bounded_pp(e, ctx.get_manager()) << "\n";
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return true;
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}
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// if arith.is_le(e, s, t) && t is a numeral, s is shared-term....
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return false;
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}
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void smt_plugin::add_shared_var(sat::bool_var v, sat::bool_var w) {
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m_smt_bool_var2sls_bool_var.setx(v, w, sat::null_bool_var);
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m_sls_bool_var2smt_bool_var.setx(w, v, sat::null_bool_var);
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m_sls_phase.reserve(v + 1);
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m_sat_phase.reserve(v + 1);
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m_rewards.reserve(v + 1);
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m_shared_bool_vars.insert(v);
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}
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void smt_plugin::add_unit(sat::literal lit) {
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if (!is_shared(lit))
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return;
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||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
m_units.push_back(lit);
|
||||
m_has_units = true;
|
||||
}
|
||||
|
||||
void smt_plugin::import_phase_from_smt() {
|
||||
if (m_has_new_sat_phase)
|
||||
return;
|
||||
m_has_new_sat_phase = true;
|
||||
IF_VERBOSE(3, verbose_stream() << "new SMT -> SLS phase\n");
|
||||
ctx.set_has_new_best_phase(false);
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
for (auto v : m_shared_bool_vars)
|
||||
m_sat_phase[v] = ctx.get_best_phase(v);
|
||||
}
|
||||
|
||||
bool smt_plugin::export_to_sls() {
|
||||
bool updated = false;
|
||||
if (export_units_to_sls())
|
||||
updated = true;
|
||||
if (export_phase_to_sls())
|
||||
updated = true;
|
||||
return updated;
|
||||
}
|
||||
|
||||
bool smt_plugin::export_phase_to_sls() {
|
||||
if (!m_has_new_sat_phase)
|
||||
return false;
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
IF_VERBOSE(3, verbose_stream() << "SMT -> SLS phase\n");
|
||||
for (auto v : m_shared_bool_vars) {
|
||||
auto w = m_smt_bool_var2sls_bool_var[v];
|
||||
if (m_sat_phase[v] != is_true(sat::literal(w, false)))
|
||||
flip(w);
|
||||
m_ddfw->bias(w) = m_sat_phase[v] ? 1 : -1;
|
||||
}
|
||||
m_has_new_sat_phase = false;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool smt_plugin::export_units_to_sls() {
|
||||
if (!m_has_units)
|
||||
return false;
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
IF_VERBOSE(2, verbose_stream() << "SMT -> SLS units " << m_units << "\n");
|
||||
for (auto lit : m_units) {
|
||||
auto v = lit.var();
|
||||
if (m_shared_bool_vars.contains(v)) {
|
||||
auto w = m_smt_bool_var2sls_bool_var[v];
|
||||
sat::literal sls_lit(w, lit.sign());
|
||||
IF_VERBOSE(10, verbose_stream() << "unit " << sls_lit << "\n");
|
||||
m_ddfw->add(1, &sls_lit);
|
||||
}
|
||||
else {
|
||||
IF_VERBOSE(0, verbose_stream() << "value restriction " << lit << " "
|
||||
<< mk_bounded_pp(ctx.bool_var2expr(lit.var()), m) << "\n");
|
||||
}
|
||||
}
|
||||
m_has_units = false;
|
||||
m_units.reset();
|
||||
return true;
|
||||
}
|
||||
|
||||
void smt_plugin::export_from_sls() {
|
||||
if (unsat().size() > m_min_unsat_size)
|
||||
return;
|
||||
m_min_unsat_size = unsat().size();
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
for (auto v : m_shared_bool_vars) {
|
||||
auto w = m_smt_bool_var2sls_bool_var[v];
|
||||
m_rewards[v] = m_ddfw->get_reward_avg(w);
|
||||
//verbose_stream() << v << " " << w << "\n";
|
||||
VERIFY(m_ddfw->get_model().size() > w);
|
||||
VERIFY(m_sls_phase.size() > v);
|
||||
m_sls_phase[v] = l_true == m_ddfw->get_model()[w];
|
||||
m_has_new_sls_phase = true;
|
||||
}
|
||||
// export_values_from_sls();
|
||||
}
|
||||
|
||||
void smt_plugin::export_values_from_sls() {
|
||||
IF_VERBOSE(3, verbose_stream() << "import values from sls\n");
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
for (auto const& [t, t_sync] : m_sls2sync_uninterp) {
|
||||
expr_ref val_t = m_context.get_value(t_sync);
|
||||
m_sync_values.set(t_sync->get_id(), val_t.get());
|
||||
}
|
||||
m_has_new_sls_values = true;
|
||||
}
|
||||
|
||||
void smt_plugin::import_from_sls() {
|
||||
export_activity_to_smt();
|
||||
export_values_to_smt();
|
||||
export_phase_to_smt();
|
||||
}
|
||||
|
||||
void smt_plugin::export_activity_to_smt() {
|
||||
|
||||
}
|
||||
|
||||
void smt_plugin::export_values_to_smt() {
|
||||
if (!m_has_new_sls_values)
|
||||
return;
|
||||
IF_VERBOSE(3, verbose_stream() << "SLS -> SMT values\n");
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
ast_translation tr(m_sync, m);
|
||||
for (auto const& [t, t_sync] : m_smt2sync_uninterp) {
|
||||
expr* sync_val = m_sync_values.get(t_sync->get_id(), nullptr);
|
||||
if (!sync_val)
|
||||
continue;
|
||||
expr_ref val(tr(sync_val), m);
|
||||
ctx.initialize_value(t, val);
|
||||
}
|
||||
m_has_new_sls_values = false;
|
||||
}
|
||||
|
||||
void smt_plugin::export_phase_to_smt() {
|
||||
if (!m_has_new_sls_phase)
|
||||
return;
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
IF_VERBOSE(3, verbose_stream() << "SLS -> SMT phase\n");
|
||||
for (auto v : m_shared_bool_vars) {
|
||||
auto w = m_smt_bool_var2sls_bool_var[v];
|
||||
ctx.force_phase(sat::literal(w, m_sls_phase[v]));
|
||||
}
|
||||
m_has_new_sls_phase = false;
|
||||
}
|
||||
|
||||
void smt_plugin::add_shared_term(expr* t) {
|
||||
m_shared_terms.insert(t->get_id());
|
||||
if (is_uninterp(t))
|
||||
add_uninterp(t);
|
||||
}
|
||||
|
||||
void smt_plugin::add_uninterp(expr* smt_t) {
|
||||
auto sync_t = m_smt2sync_tr(smt_t);
|
||||
auto sls_t = m_smt2sls_tr(smt_t);
|
||||
m_sync_uninterp.push_back(sync_t);
|
||||
m_sls_uninterp.push_back(sls_t);
|
||||
m_smt2sync_uninterp.insert(smt_t, sync_t);
|
||||
m_sls2sync_uninterp.insert(sls_t, sync_t);
|
||||
}
|
||||
|
||||
void smt_plugin::on_save_model() {
|
||||
TRACE("sls", display(tout));
|
||||
while (unsat().empty()) {
|
||||
m_context.check();
|
||||
if (!m_new_clause_added)
|
||||
break;
|
||||
m_ddfw->reinit();
|
||||
m_new_clause_added = false;
|
||||
}
|
||||
// export_from_sls();
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue