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18327 commits 23 branches 48 tags 157 MiB
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15527 commits

Author SHA1 Message Date
Nikolaj Bjorner 2f01b5b567 re-enable delayed literal propagation 2023-11-29 14:00:17 -08:00
Nikolaj Bjorner 4289cfac8d revert some fixes to euf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-29 13:47:59 -08:00
Nikolaj Bjorner 41a3196c89 fix 2023-11-29 13:35:30 -08:00
Nikolaj Bjorner d469c1054e remove separate to_add_literal queue 2023-11-29 12:45:43 -08:00
Nikolaj Bjorner e972eb33b2 - contains_ptr bug regarding etable reinserts 2023-11-29 10:44:36 -08:00
Nikolaj Bjorner 79bbbf76d0 fix 2023-11-28 15:06:27 -08:00
Nikolaj Bjorner 8179f8b5d7 fix 2023-11-28 14:32:56 -08:00
Nikolaj Bjorner f36f21fa8c add comments for API versions of bit-vector overflow/underflow checks for 2023-11-28 13:36:41 -08:00
Nikolaj Bjorner f90b10a0c8 fix 
omitting constructor, simplifying operator definitions, omitting incorrect type annotations
 2023-11-28 13:26:10 -08:00
Nikolaj Bjorner 69f9640fdf fix 2023-11-28 13:14:44 -08:00
Bruce Mitchener 9d1ceab1f2
cmake: Use FindPython3. () 
`FindPythonInterp` has been deprecated for a long time and is more
verbal about that deprecation now.

The build system no longer uses `PYTHON_EXECUTABLE` but instead uses
`Python3_EXECUTABLE`.
 2023-11-27 11:20:21 +01:00
Bruce Mitchener b5e8f59eae
mbp: term: Fix reorder ctor warning. () 
Initialize members in same order they are defined.
 2023-11-26 16:34:08 +01:00
Bruce Mitchener 2354998cd2
z3.h: Don't include stdio.h () 
This doesn't seem to actually be used or needed here.
 2023-11-24 16:46:32 +01:00
Christoph M. Wintersteiger 16753e43f1
Add accessors for RCF numeral internals () 2023-11-23 17:54:23 +01:00
Nikolaj Bjorner 9382b96a32 add API to access symbols associated with quantifiers 2023-11-19 16:30:09 -08:00
Nikolaj Bjorner d272acc3ac fix crash when api_solver sets reset_tracked_assertions 2023-11-19 12:48:33 -08:00
Nikolaj Bjorner ac105b7d8c remove unused code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-19 11:47:00 -08:00
Nikolaj Bjorner 4350bd77ac check cancel flag to avoid unsound conflicts 2023-11-19 11:43:52 -08:00
Nikolaj Bjorner 32f8705ac3 - align is_numeral without to behavior if is_numeral with return numeral. 2023-11-19 10:43:14 -08:00
Nikolaj Bjorner 35bc522dae 
minor tweaks to gomory and reset n3 within loop (but the entire function is dead code).
 2023-11-19 09:59:44 -08:00
Nikolaj Bjorner 924c296704 add logging 2023-11-18 12:30:40 -08:00
Nikolaj Bjorner 5bec982cc5 chores in theory_lra 2023-11-18 10:05:26 -08:00
Nikolaj Bjorner e40b8a2d13 household chores in legacy arithmetic solver 2023-11-18 09:56:06 -08:00
Nikolaj Bjorner 5ab1afe5c2 expose enode pp convenciences 2023-11-18 09:53:20 -08:00
Nikolaj Bjorner 1710fe4927 use iterator shortcut 2023-11-18 09:52:58 -08:00
Nikolaj Bjorner a9f9d3ddf4 build fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-17 10:15:01 -08:00
Nikolaj Bjorner b9455c3692 deal with implicit assumptions, more robust pattern matching 
The code is making some assumptions that arrays are 1-dimensional. This is not generally true.
Introducing pattern matching to ensure the assumption is met.
Avoid get_arg(..) especially when there is an approach based on pattern matching recognizers.
 2023-11-17 10:06:20 -08:00
Nikolaj Bjorner 6d6d6b8ed0 build issue 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-17 09:20:17 -08:00
Hari Govind V K f94a475da3
Qel fixes () 
* dont use qel for sequences. fix 

* handle negation of read-write. fix 

* handle neg-peq terms produced by distinct. fix 

* dbg print
 2023-11-17 09:18:04 -08:00
Nikolaj Bjorner 1b6c7d6541 fix 2023-11-16 18:58:24 -08:00
Christoph M. Wintersteiger 36382ccb57
Fix memory and concurrency issues in OCaml API () 
* Fix memory and concurrency issues in OCaml API

* Undo locking changes
 2023-11-16 18:28:12 -08:00
Nikolaj Bjorner 5b9fdcf462 fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-15 18:08:48 -08:00
Nikolaj Bjorner f1a39b8884 add comment regarding usage model for flush_objects() to relate with pr 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-15 11:54:59 -08:00
Christoph M. Wintersteiger 3baaba5edd
Revert unsound NaN constraints in theory_fpa () 2023-11-14 14:28:30 -08:00
Nikolaj Bjorner 37b283fab9 use python3 in nightly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-14 08:54:10 -08:00
Nikolaj Bjorner ad2107f079 fix 2023-11-14 08:45:22 -08:00
Nikolaj Bjorner 4406011881 fix 2023-11-14 07:40:32 -08:00
Nikolaj Bjorner 3c2e97ddb6 fix 2023-11-14 07:30:32 -08:00
Nikolaj Bjorner c2610cb37c 
malformed models on giveup status
 2023-11-13 14:32:53 -08:00
Nikolaj Bjorner 8a4e857294 
regressions from changes inside math/lp/int_solver
 2023-11-13 14:28:03 -08:00
Nikolaj Bjorner 3de5af3cb0 fix bug in bound simplification in Gomory for mixed integer linear cuts, enable fixed variable redution after bugfix, add notes that rewriting bounds does not work 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-10 16:39:04 +01:00
EyalBrilling aa9c7912dc
fixed possible undefined variable assigment () 2023-11-10 11:36:24 +01:00
Nikolaj Bjorner 0556059bdf change to expr_ref to allow trying simplification 2023-11-08 13:50:48 +01:00
Nikolaj Bjorner bd4d580b17 fix 2023-11-08 13:49:30 +01:00
Nikolaj Bjorner e6385f8c85 disable bound validation in debug mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-07 20:49:26 +01:00
Nikolaj Bjorner 3d99ed9dd4 Gomory cut / branch and bound improvements 
Improve fairness of cut generation by switching to find_infeasible_int_var with cascading priorities, allow stronger cuts by inlining terms.
 2023-11-07 19:59:02 +01:00
Nikolaj Bjorner 9f0b3cdc25 Add utility to expand sub-terms 2023-11-07 19:58:32 +01:00
Nikolaj Bjorner fb95760137 remove template 2023-11-07 19:57:50 +01:00
Nikolaj Bjorner 77dab53e9e track number of Gomory cuts 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner 2d1f4d5d93 remove verbose logging 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner e86eae27e6 and other heap-use-after-free error 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner eed02b6d86 improved logging, use C++11 for loops instead of iterators 2023-11-07 19:57:49 +01:00
Lev Nachmanson 14312ef8a3 remove some warnings with clang 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 15:34:41 -07:00
Lev Nachmanson 08d3a82ce0 simplify the jump on entering 2023-11-02 11:09:01 -07:00
Lev Nachmanson bdf1fcf5c1 remove an assert 2023-11-02 09:59:03 -07:00
Lev Nachmanson ca6cb0af95 add changes in lp with validate_bound and maximize_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 09:59:03 -07:00
Nikolaj Bjorner 49a071988c remove temporary algebraic numbers from upper layers, move to owner module 2023-11-01 03:52:20 -07:00
Nikolaj Bjorner ea915e5b37 
clear m_a1, m_a2 before calls that may affect model.
 2023-11-01 03:36:01 -07:00
Christoph M. Wintersteiger 3af2b36cd7
Add Z3_solver_interrupt to OCaml API () 2023-10-31 08:48:06 -07:00
Nikolaj Bjorner 91c2139b5d just use std::string 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-30 17:56:44 -07:00
Nikolaj Bjorner fe6f38a160 , fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-30 15:31:56 -07:00
Nikolaj Bjorner c82b7dd241 Merge branch 'master' of https://github.com/z3prover/z3 2023-10-30 14:54:11 -07:00
Nikolaj Bjorner f97dd34028 tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-30 14:54:04 -07:00
Clemens Eisenhofer 996b844cde
Fixed parsing of | and \ () 
* Give users ability to see if propagation failed

* Skip propagations in the new core if they are already satisfied

* Fix registration in final

* Don't make it too complicated...

* Fixed next_split when called in pop
Made delay_units available even without quantifiers

* Missing push calls before "decide"-callback

* Fixed parsing of | and \

* Unit-test for parsing bug
 2023-10-30 12:30:23 -07:00
Nikolaj Bjorner 938a89e197 prepare for local version of Gomory cuts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 19:45:14 -07:00
Nikolaj Bjorner 160971df60 fix , again 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 19:10:46 -07:00
Nikolaj Bjorner a957a5673d remove experiment with theory lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 18:48:48 -07:00
Nikolaj Bjorner 3726960969 fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 17:44:00 -07:00
Nikolaj Bjorner 589024aa1c fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 17:44:00 -07:00
Christoph M. Wintersteiger 9d57bdd2ef
Assorted fixes for floats () 
* Improve 4be26eb543

* Add-on to 0f4f32c5d0

* Fix mk_numeral

* Fix corner-case in fp.div

* Fixes for corner-cases in mk_to_fp_(un)signed

* Fix out-of-range results in mpf_manager::fma

* Further adjustments for fp.to_fp_(un)signed

* fp.to_fp from real can't be NaN

* fp.to_fp from reals: add bounds

* Fix NaN encodings in theory_fpa.

* Fix fp.fma rounding with tiny floats

* Fix literal creation order in theory_fpa
 2023-10-29 17:29:42 -07:00
Nikolaj Bjorner bd8e5eee4b add simplification experiment (disabled) for tracking, some reshuffling of equation/fixed_equation structs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 10:21:31 -07:00
Clemens Eisenhofer e7c17e68b8
Fixed next_split call in pop () 
* Give users ability to see if propagation failed

* Skip propagations in the new core if they are already satisfied

* Fix registration in final

* Don't make it too complicated...

* Fixed next_split when called in pop
Made delay_units available even without quantifiers

* Missing push calls before "decide"-callback
 2023-10-28 12:46:43 -07:00
Nikolaj Bjorner 52d16a11f9 deal with non-termination in new arithmetic solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-27 16:15:36 -07:00
Nikolaj Bjorner 93427f1175 regression test 2447 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-26 08:48:58 -07:00
Nikolaj Bjorner 0b8d7b755d useful string rewrites 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-26 03:48:50 -07:00
Nikolaj Bjorner 5622fd1362 initialize delay bound 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-26 03:26:41 -07:00
Nikolaj Bjorner 76f9e1d2b3 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 17:31:19 -07:00
Nikolaj Bjorner 702744f139 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 16:57:31 -07:00
Nikolaj Bjorner 4434cee5df merge 2023-10-25 16:38:18 -07:00
Nikolaj Bjorner 20c54048f7 use cone of influence reduction before calling nlsat. 2023-10-25 16:19:23 -07:00
Nikolaj Bjorner e2db2b864b add hook for in-processing simplification for NLA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 15:09:21 -07:00
Nikolaj Bjorner 6ba151599e Merge branch 'master' of https://github.com/z3prover/z3 2023-10-25 13:15:26 -07:00
Nikolaj Bjorner 55775bdc20 incremnet log level for debug output on cancelation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 13:15:15 -07:00
Bruce Mitchener 236afeb8cb
docs: More intra-doc linking, bit of formatting. () 2023-10-25 10:07:03 -07:00
Nikolaj Bjorner 7b490543ca add missing simplification; handle nit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 10:00:15 -07:00
Nikolaj Bjorner 0859be5649 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 09:07:04 -07:00
dependabot[bot] 8b04049069
Bump @babel/traverse from 7.19.4 to 7.23.2 in /src/api/js () 
Bumps [@babel/traverse](https://github.com/babel/babel/tree/HEAD/packages/babel-traverse) from 7.19.4 to 7.23.2.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.23.2/packages/babel-traverse)

---
updated-dependencies:
- dependency-name: "@babel/traverse"
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
 2023-10-23 15:29:42 -07:00
Nikolaj Bjorner 8fac89cdcc enable more simplification in case inequality triggers a change. 2023-10-21 19:58:39 -07:00
Nikolaj Bjorner 4e21e126a8 update add_lemmas to use check-feasible 2023-10-21 19:58:07 -07:00
Nikolaj Bjorner c9d298e57f enable propagate-linear-equations and extend to monomials 2023-10-21 19:57:41 -07:00
Nikolaj Bjorner 53ce18ef34 update backoff for bounded_nla 2023-10-21 19:57:06 -07:00
Nikolaj Bjorner 97058b0d5d allow for propagations the trigger make-feasible check 2023-10-19 16:08:44 -07:00
Nikolaj Bjorner 8c00181815 fix 2023-10-19 10:41:24 -07:00
Nikolaj Bjorner 11ab583232 fix 2023-10-19 10:34:31 -07:00
Nikolaj Bjorner 37fe9cc764 add Horner saturation to Grobner conflict detection 
- throttle Grobner
- add (disabled) propagate_linear_equation to prepare for additional propagation.
- add validation code is_nla_conflict/add_nla_conflict to establish missed conflicts
 2023-10-17 21:19:57 -07:00
Nikolaj Bjorner 0a1cc4c054 fix exception safety in pdd-solver 2023-10-17 19:50:34 -07:00
Nikolaj Bjorner 3fa67777e5 fix exception safety in pdd-solver 2023-10-17 19:50:13 -07:00
Nikolaj Bjorner c9c5dbc347 2023-10-16 09:27:22 -07:00
Nikolaj Bjorner f678861aef fix 2023-10-16 08:43:08 -07:00
Nikolaj Bjorner ba881d9c9b add facility to experiment with nla justified conflicts from Grobner equations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-16 00:40:43 -07:00