mirror of
https://github.com/Z3Prover/z3
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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>
This commit is contained in:
Nikolaj Bjorner
GitHub
parent
ecdfab81a6
commit
91dc02d862
120 changed files with 11172 additions and 4148 deletions
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@ -14,6 +14,7 @@ z3_add_component(params
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pattern_inference_params_helper.pyg
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poly_rewriter_params.pyg
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rewriter_params.pyg
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sat_params.pyg
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seq_rewriter_params.pyg
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sls_params.pyg
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solver_params.pyg
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128
src/params/sat_params.pyg
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128
src/params/sat_params.pyg
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@ -0,0 +1,128 @@
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def_module_params('sat',
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export=True,
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description='propositional SAT solver',
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params=(max_memory_param(),
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('phase', SYMBOL, 'caching', 'phase selection strategy: always_false, always_true, basic_caching, random, caching, local_search'),
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('phase.sticky', BOOL, True, 'use sticky phase caching'),
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('search.unsat.conflicts', UINT, 400, 'period for solving for unsat (in number of conflicts)'),
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('search.sat.conflicts', UINT, 400, 'period for solving for sat (in number of conflicts)'),
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('rephase.base', UINT, 1000, 'number of conflicts per rephase '),
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('reorder.base', UINT, UINT_MAX, 'number of conflicts per random reorder '),
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('reorder.itau', DOUBLE, 4.0, 'inverse temperature for softmax'),
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('reorder.activity_scale', UINT, 100, 'scaling factor for activity update'),
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('propagate.prefetch', BOOL, True, 'prefetch watch lists for assigned literals'),
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('restart', SYMBOL, 'ema', 'restart strategy: static, luby, ema or geometric'),
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('restart.initial', UINT, 2, 'initial restart (number of conflicts)'),
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('restart.max', UINT, UINT_MAX, 'maximal number of restarts.'),
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('restart.fast', BOOL, True, 'use fast restart approach only removing less active literals.'),
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('restart.factor', DOUBLE, 1.5, 'restart increment factor for geometric strategy'),
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('restart.margin', DOUBLE, 1.1, 'margin between fast and slow restart factors. For ema'),
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('restart.emafastglue', DOUBLE, 3e-2, 'ema alpha factor for fast moving average'),
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('restart.emaslowglue', DOUBLE, 1e-5, 'ema alpha factor for slow moving average'),
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('variable_decay', UINT, 110, 'multiplier (divided by 100) for the VSIDS activity increment'),
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('inprocess.max', UINT, UINT_MAX, 'maximal number of inprocessing passes'),
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('inprocess.out', SYMBOL, '', 'file to dump result of the first inprocessing step and exit'),
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('branching.heuristic', SYMBOL, 'vsids', 'branching heuristic vsids, chb'),
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('branching.anti_exploration', BOOL, False, 'apply anti-exploration heuristic for branch selection'),
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('random_freq', DOUBLE, 0.01, 'frequency of random case splits'),
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('random_seed', UINT, 0, 'random seed'),
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('burst_search', UINT, 100, 'number of conflicts before first global simplification'),
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('enable_pre_simplify', BOOL, False, 'enable pre simplifications before the bounded search'),
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('max_conflicts', UINT, UINT_MAX, 'maximum number of conflicts'),
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('gc', SYMBOL, 'glue_psm', 'garbage collection strategy: psm, glue, glue_psm, dyn_psm'),
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('gc.initial', UINT, 20000, 'learned clauses garbage collection frequency'),
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('gc.increment', UINT, 500, 'increment to the garbage collection threshold'),
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('gc.small_lbd', UINT, 3, 'learned clauses with small LBD are never deleted (only used in dyn_psm)'),
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('gc.k', UINT, 7, 'learned clauses that are inactive for k gc rounds are permanently deleted (only used in dyn_psm)'),
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('gc.burst', BOOL, False, 'perform eager garbage collection during initialization'),
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('gc.defrag', BOOL, True, 'defragment clauses when garbage collecting'),
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('simplify.delay', UINT, 0, 'set initial delay of simplification by a conflict count'),
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('force_cleanup', BOOL, False, 'force cleanup to remove tautologies and simplify clauses'),
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('minimize_lemmas', BOOL, True, 'minimize learned clauses'),
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('dyn_sub_res', BOOL, True, 'dynamic subsumption resolution for minimizing learned clauses'),
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('core.minimize', BOOL, False, 'minimize computed core'),
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('core.minimize_partial', BOOL, False, 'apply partial (cheap) core minimization'),
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('backtrack.scopes', UINT, 100, 'number of scopes to enable chronological backtracking'),
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('backtrack.conflicts', UINT, 4000, 'number of conflicts before enabling chronological backtracking'),
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('threads', UINT, 1, 'number of parallel threads to use'),
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('dimacs.core', BOOL, False, 'extract core from DIMACS benchmarks'),
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('drat.disable', BOOL, False, 'override anything that enables DRAT'),
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('smt', BOOL, False, 'use the SAT solver based incremental SMT core'),
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('smt.proof.check', BOOL, False, 'check proofs on the fly during SMT search'),
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('drat.file', SYMBOL, '', 'file to dump DRAT proofs'),
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('drat.binary', BOOL, False, 'use Binary DRAT output format'),
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('drat.check_unsat', BOOL, False, 'build up internal proof and check'),
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('drat.check_sat', BOOL, False, 'build up internal trace, check satisfying model'),
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('drat.activity', BOOL, False, 'dump variable activities'),
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('cardinality.solver', BOOL, True, 'use cardinality solver'),
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('pb.solver', SYMBOL, 'solver', 'method for handling Pseudo-Boolean constraints: circuit (arithmetical circuit), sorting (sorting circuit), totalizer (use totalizer encoding), binary_merge, segmented, solver (use native solver)'),
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('pb.min_arity', UINT, 9, 'minimal arity to compile pb/cardinality constraints to CNF'),
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('cardinality.encoding', SYMBOL, 'grouped', 'encoding used for at-most-k constraints: grouped, bimander, ordered, unate, circuit'),
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('pb.resolve', SYMBOL, 'cardinality', 'resolution strategy for boolean algebra solver: cardinality, rounding'),
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('pb.lemma_format', SYMBOL, 'cardinality', 'generate either cardinality or pb lemmas'),
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('euf', BOOL, False, 'enable euf solver (this feature is preliminary and not ready for general consumption)'),
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('ddfw_search', BOOL, False, 'use ddfw local search instead of CDCL'),
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('ddfw.init_clause_weight', UINT, 8, 'initial clause weight for DDFW local search'),
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('ddfw.use_reward_pct', UINT, 15, 'percentage to pick highest reward variable when it has reward 0'),
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('ddfw.restart_base', UINT, 100000, 'number of flips used a starting point for hesitant restart backoff'),
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('ddfw.reinit_base', UINT, 10000, 'increment basis for geometric backoff scheme of re-initialization of weights'),
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('ddfw.threads', UINT, 0, 'number of ddfw threads to run in parallel with sat solver'),
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('prob_search', BOOL, False, 'use probsat local search instead of CDCL'),
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('local_search', BOOL, False, 'use local search instead of CDCL'),
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('local_search_threads', UINT, 0, 'number of local search threads to find satisfiable solution'),
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('local_search_mode', SYMBOL, 'wsat', 'local search algorithm, either default wsat or qsat'),
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('local_search_dbg_flips', BOOL, False, 'write debug information for number of flips'),
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('binspr', BOOL, False, 'enable SPR inferences of binary propagation redundant clauses. This inprocessing step eliminates models'),
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('anf', BOOL, False, 'enable ANF based simplification in-processing'),
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('anf.delay', UINT, 2, 'delay ANF simplification by in-processing round'),
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('anf.exlin', BOOL, False, 'enable extended linear simplification'),
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('cut', BOOL, False, 'enable AIG based simplification in-processing'),
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('cut.delay', UINT, 2, 'delay cut simplification by in-processing round'),
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('cut.aig', BOOL, False, 'extract aigs (and ites) from cluases for cut simplification'),
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('cut.lut', BOOL, False, 'extract luts from clauses for cut simplification'),
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('cut.xor', BOOL, False, 'extract xors from clauses for cut simplification'),
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('cut.npn3', BOOL, False, 'extract 3 input functions from clauses for cut simplification'),
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('cut.dont_cares', BOOL, True, 'integrate dont cares with cuts'),
|
||||
('cut.redundancies', BOOL, True, 'integrate redundancy checking of cuts'),
|
||||
('cut.force', BOOL, False, 'force redoing cut-enumeration until a fixed-point'),
|
||||
('lookahead.cube.cutoff', SYMBOL, 'depth', 'cutoff type used to create lookahead cubes: depth, freevars, psat, adaptive_freevars, adaptive_psat'),
|
||||
# - depth: the maximal cutoff is fixed to the value of lookahead.cube.depth.
|
||||
# So if the value is 10, at most 1024 cubes will be generated of length 10.
|
||||
# - freevars: cutoff based on a variable fraction of lookahead.cube.freevars.
|
||||
# Cut if the number of current unassigned variables drops below a fraction of number of initial variables.
|
||||
# - psat: Let psat_heur := (Sum_{clause C} (psat.clause_base ^ {-|C|+1})) / |freevars|^psat.var_exp
|
||||
# Cut if the value of psat_heur exceeds psat.trigger
|
||||
# - adaptive_freevars: Cut if the number of current unassigned variables drops below a fraction of free variables
|
||||
# at the time of the last conflict. The fraction is increased every time the cutoff is created.
|
||||
# - adative_psat: Cut based on psat_heur in an adaptive way.
|
||||
|
||||
('lookahead.cube.fraction', DOUBLE, 0.4, 'adaptive fraction to create lookahead cubes. Used when lookahead.cube.cutoff is adaptive_freevars or adaptive_psat'),
|
||||
('lookahead.cube.depth', UINT, 1, 'cut-off depth to create cubes. Used when lookahead.cube.cutoff is depth.'),
|
||||
('lookahead.cube.freevars', DOUBLE, 0.8, 'cube free variable fraction. Used when lookahead.cube.cutoff is freevars'),
|
||||
('lookahead.cube.psat.var_exp', DOUBLE, 1, 'free variable exponent for PSAT cutoff'),
|
||||
('lookahead.cube.psat.clause_base', DOUBLE, 2, 'clause base for PSAT cutoff'),
|
||||
('lookahead.cube.psat.trigger', DOUBLE, 5, 'trigger value to create lookahead cubes for PSAT cutoff. Used when lookahead.cube.cutoff is psat'),
|
||||
('lookahead.preselect', BOOL, False, 'use pre-selection of subset of variables for branching'),
|
||||
('lookahead_simplify', BOOL, False, 'use lookahead solver during simplification'),
|
||||
('lookahead_scores', BOOL, False, 'extract lookahead scores. A utility that can only be used from the DIMACS front-end'),
|
||||
('lookahead.double', BOOL, True, 'enable double lookahead'),
|
||||
('lookahead.use_learned', BOOL, False, 'use learned clauses when selecting lookahead literal'),
|
||||
('lookahead_simplify.bca', BOOL, True, 'add learned binary clauses as part of lookahead simplification'),
|
||||
('lookahead.global_autarky', BOOL, False, 'prefer to branch on variables that occur in clauses that are reduced'),
|
||||
('lookahead.delta_fraction', DOUBLE, 1.0, 'number between 0 and 1, the smaller the more literals are selected for double lookahead'),
|
||||
('lookahead.reward', SYMBOL, 'march_cu', 'select lookahead heuristic: ternary, heule_schur (Heule Schur), heuleu (Heule Unit), unit, or march_cu'))
|
||||
# reward function used to determine which literal to cube on.
|
||||
# - ternary: reward function useful for random 3-SAT instances. Used by Heule and Knuth in March.
|
||||
# - heule_schur: reward function based on "Schur Number 5", Heule, AAAI 2018
|
||||
# The score of a literal lit is:
|
||||
# Sum_{C in Clauses | lit in C} 2 ^ (- |C|+1)
|
||||
# * Sum_{lit' in C | lit' != lit} lit_occs(~lit')
|
||||
# / | C |
|
||||
# where lit_occs(lit) is the number of clauses containing lit.
|
||||
# - heuleu: The score of a literal lit is: Sum_{C in Clauses | lit in C} 2 ^ (-|C| + 1)
|
||||
# - unit: heule_schur + also counts number of unit clauses.
|
||||
# - march_cu: default reward function used in a version of March
|
||||
# Each reward function also comes with its own variant of "mix_diff", which
|
||||
# is the function for combining reward metrics for the positive and negative variant of a literal.
|
||||
)
|
||||
|
||||
|
|
@ -22,6 +22,8 @@ def_module_params('sls',
|
|||
('early_prune', BOOL, 1, 'use early pruning for score prediction'),
|
||||
('random_offset', BOOL, 1, 'use random offset for candidate evaluation'),
|
||||
('rescore', BOOL, 1, 'rescore/normalize top-level score every base restart interval'),
|
||||
('euf_incremental', UINT, 0, '0 non-incremental, 1 incremental, 2 alternating EUF resolver'),
|
||||
('dt_axiomatic', BOOL, True, 'use axiomatic mode or model reduction for datatype solver'),
|
||||
('track_unsat', BOOL, 0, 'keep a list of unsat assertions as done in SAT - currently disabled internally'),
|
||||
('random_seed', UINT, 0, 'random seed')
|
||||
))
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue