3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-12 04:03:39 +00:00
Commit graph

5 commits

Author SHA1 Message Date
Margus Veanes af54a79acc
fixing issue #4651 (#4666)
* fixing issue #4651

* regression fix

* fix #4662

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

* na

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

* reenabled lift_ites_throttled with an additional filter, without the filter finding the model in report #4651 goes from .02s to 20s, also updated pretty printing of regexes to be more accurate

* removing temp testing variable

* Allow to skip System.loadLibrary() calls from Java Native class (#4667)

* using intended utility methods for sort detection

* adding ack/model

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

* add smt params dependency

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

* missing file

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

* deps

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

* order

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

* persist fields

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

* dbg build

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

* reset caches

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

* sr

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

* fix cmake build

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

* shuffle dependencies

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

* warnings /errors

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

* update include

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

* missing cmakelists

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

* update cmake

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

* add depend

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

* add depend

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

* virtual method

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

* path

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

* move parameters from ast/rewriter to params

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

* move fpa

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

* fix warnings

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

* remove pragma

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

* dbg

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

* updated sat_smt

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

* na

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

* fix #4651

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

* encoding options #4665

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

* expose name inclusion as optional

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

* fix misc issues around #4661 introduced when adding lazy push/pop to selected theories

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

* remove lazy push from theory_lra

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

* na

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

* fix dotnet build

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

* na

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

* release nodes

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

* free memory in egraph

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

* avoid duplicate class names frame in sat_scc and sat_smt

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

* adding euf

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

* elaborate on smt/drat format outline, expose euf mode as config

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

* mk-var during copy

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

* move theory_var_list into id_var_list and utilities from smt-enode into it, prepare for theory variables in egraph

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

* with bounded

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

* na

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

* Remove duplicate binary condition. Fixes #4668.

* butterfly effect on fp?

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

* prepare for theory plugins

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

* file

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

* build fix

* remove SMTFD

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

* na

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

* na

* 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>

* 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>

* na

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

* SMTFD is back (#4676)

* fixing issue #4651

* regression fix

* reenabled lift_ites_throttled with an additional filter, without the filter finding the model in report #4651 goes from .02s to 20s, also updated pretty printing of regexes to be more accurate

* removing temp testing variable

* using intended utility methods for sort detection

* misc edits related to nonground regexes

* bug fix of state id off by 1 calculation error and improved pretty printing with regex tooltip generated in dgml state graph

* removed unused method declaration

* improved id to regex value map info in generated dgml

* reorgd callback function for state pretty printer

* updated some comments

Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Sergey Vladimirov <vlsergey@gmail.com>
Co-authored-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
Co-authored-by: Arie Gurfinkel <arie.gurfinkel@gmail.com>
2020-09-08 04:13:18 -07:00
Caleb Stanford 2c02264a94
Regex solver updates (#4636)
* std::cout debugging statements

* comment out std::cout debugging as this is now a shared fork

* convert std::cout to TRACE statements for seq_rewriter and seq_regex

* add cases to min_length and max_length for regexes

* bug fix

* update min_length and max_length functions for REs

* initial pass on simplifying derivative normal forms by eliminating redundant predicates locally

* add seq_regex_brief trace statements

* working on debugging ref count issue

* fix ref count bug and convert trace statements to seq_regex_brief

* add compact tracing for cache hits/misses

* seq_regex fix cache hit/miss tracing and wrapper around is_nullable

* minor

* label and disable more experimental changes for testing

* minor documentation / tracing

* a few more @EXP annotations

* dead state elimination skeleton code

* progress on dead state elimination

* more progress on dead state elimination

* refactor dead state class to separate self-contained state_graph class

* finish factoring state_graph to only work with unsigned values, and implement separate functionality for expr* logic

* implement get_all_derivatives, add debug tracing

* trace statements for debugging is_nullable loop bug

* fix is_nullable loop bug

* comment out local nullable change and mark experimental

* pretty printing for state_graph

* rewrite state graph to remove the fragile assumption that all edges from a state are added at a time

* start of general cycle detection check + fix some comments

* implement full cycle detection procedure

* normalize derivative conditions to form 'ele <= a'

* order derivative conditions by character code

* fix confusing names m_to and m_from

* assign increasing state IDs from 1 instead of using get_id on AST node

* remove elim_condition call in get_dall_derivatives

* use u_map instead of uint_map to avoid memory leak

* remove unnecessary call to is_ground

* debugging

* small improvements to seq_regex_brief tracing

* fix bug on evil2 example

* save work

* new propagate code

* work in progress on using same seq sort for deriv calls

* avoid re-computing derivatives: use same head var for every derivative call

* use min_length on regexes to prune search

* simple implementation of can_be_in_cycle using rank function idea

* add a disabled experimental change

* minor cleanup comments, etc.

* seq_rewriter cleanup for PR

* typo noticed by Nikolaj

* move state graph to util/state_graph

* re-add accidentally removed line

* clean up seq_regex code removing obsolete functions and comments

* a few more cleanup items

* oops, missed merge change to fix compilation

* disabled change to lift unions to the top level and treat them seperately in seq_regex solver

* added get_overapprox_regex to over-approximate regex membership constraints

* replace calls to is_epsilon with a centrally available method in seq_decl_plugin

* simplifications and modifications in get_overapprox_regex and related

* added approximation support for sequence expressions that use ite

* removed is_app check that was redundant

* tweak differences with upstream

* rewrite derivative leaves

* enable Antimorov-style derivatives via lifting unions in the solver

* TODO placeholders for outputting state graph

* change order in seq_regex propagate_in_re

* implement a more restricted form of Antimorov derivatives via a special op code to indicate lifting unions

* minor

* new Antimorov optimizations based on BDD compatibility checking

* seq regex tracing for # of derivatives

* fix get_cofactors (currently this fix is buggy)

* partially revert get_cofactors buggy change

* re-implement get_cofactors to more efficiently explore nodes in the derivative expression

* dgml generation for state graph

* fix release build

* improved dgml output

* bug fixes in dgml generation

* dot output support for state_graph and moved dgml and dot output under CASSERT

* updated tracing of what regex corresponds to what state id with /tr:state_graph

* clean up & document Antimorov derivative support

* remove op cache tracing

* remove re_rank experimental idea

* small fix

* fix Antimorov derivative (important change for the good performance)

* remove unused and unnecessary code

* implemented simpler efficient get_cofactors alternative mk_deriv_accept

* simplifications in propagate_accept, and trace unusual cases

* document the various seq_regex tracing & debugging command-line options

* fix debug build (broken tracing)

* guard eager Antimorov lifting for possible disabling

* fix bug in propagate_accept Rule 1

* disable eager version of Antimorov lifting for performance reasons

* remove some remaining obsolete comments

Co-authored-by: calebstanford-msr <t-casta@microsoft.com>
Co-authored-by: Margus Veanes <margus@microsoft.com>
2020-08-13 12:47:36 -07:00
Margus Veanes e5693b8a98
added support for saving state graph in dot format (#4621)
* added support for saving state graph in dot format

* moved write_dgml and write_dot under CASSERT

* updated dgml and dot generation a bit so that a state that is both and alive state is detected as having green background but red border when the invariant is vioalted
2020-08-09 14:53:29 -07:00
Margus Veanes 934f87a336
dgml output generation for regex state graphs (#4620)
* dgml output generation for regex state graphs

* fixed issue in header file
2020-08-08 09:40:20 -07:00
Caleb Stanford 976e4c91b0
Integrate new regex solver (#4602)
* std::cout debugging statements

* comment out std::cout debugging as this is now a shared fork

* convert std::cout to TRACE statements for seq_rewriter and seq_regex

* add cases to min_length and max_length for regexes

* bug fix

* update min_length and max_length functions for REs

* initial pass on simplifying derivative normal forms by eliminating redundant predicates locally

* add seq_regex_brief trace statements

* working on debugging ref count issue

* fix ref count bug and convert trace statements to seq_regex_brief

* add compact tracing for cache hits/misses

* seq_regex fix cache hit/miss tracing and wrapper around is_nullable

* minor

* label and disable more experimental changes for testing

* minor documentation / tracing

* a few more @EXP annotations

* dead state elimination skeleton code

* progress on dead state elimination

* more progress on dead state elimination

* refactor dead state class to separate self-contained state_graph class

* finish factoring state_graph to only work with unsigned values, and implement separate functionality for expr* logic

* implement get_all_derivatives, add debug tracing

* trace statements for debugging is_nullable loop bug

* fix is_nullable loop bug

* comment out local nullable change and mark experimental

* pretty printing for state_graph

* rewrite state graph to remove the fragile assumption that all edges from a state are added at a time

* start of general cycle detection check + fix some comments

* implement full cycle detection procedure

* normalize derivative conditions to form 'ele <= a'

* order derivative conditions by character code

* fix confusing names m_to and m_from

* assign increasing state IDs from 1 instead of using get_id on AST node

* remove elim_condition call in get_dall_derivatives

* use u_map instead of uint_map to avoid memory leak

* remove unnecessary call to is_ground

* debugging

* small improvements to seq_regex_brief tracing

* fix bug on evil2 example

* save work

* new propagate code

* work in progress on using same seq sort for deriv calls

* avoid re-computing derivatives: use same head var for every derivative call

* use min_length on regexes to prune search

* simple implementation of can_be_in_cycle using rank function idea

* add a disabled experimental change

* minor cleanup comments, etc.

* seq_rewriter cleanup for PR

* typo noticed by Nikolaj

* move state graph to util/state_graph

* re-add accidentally removed line

* clean up seq_regex code removing obsolete functions and comments

* a few more cleanup items

* remove experimental functionality for integration

* fix compilation

* remove some tracing and TODOs

* remove old comment

* update copyright dates to 2020

* feedback from Nikolaj

* use [] for map access

* make state_graph methods constant

* avoid recursion in mark_dead_recursive and mark_live_recursive

* a possible bug fix in propagate_nonempty

* write down list of invariants in state_graph

* implement partial invariant check and insert CASSERT statements

* expand on invariant check and tracing

* finish state graph invariant check

* minor tweaks

* regex propagation: convert first two axioms to propagations

* remove obsolete regex solver functionality

Co-authored-by: calebstanford-msr <t-casta@microsoft.com>
2020-07-30 13:54:49 -07:00