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18653 commits 49 branches 53 tags 182 MiB
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15838 commits

Author SHA1 Message Date
Nikolaj Bjorner
8a4e857294 #6523 
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 (#6985) 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 #6986 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 #6523 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 #6971 
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 (#6976) 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 #6951, 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 \ (#6975) 
* 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 #6969, 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 #6969 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 17:44:00 -07:00
Nikolaj Bjorner
589024aa1c fix #6969 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 17:44:00 -07:00
Christoph M. Wintersteiger
9d57bdd2ef
Assorted fixes for floats (#6968) 
* 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 (#6966) 
* 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. (#6963) 2023-10-25 10:07:03 -07:00
Nikolaj Bjorner
7b490543ca add missing simplification; handle nit #6952 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 10:00:15 -07:00
Nikolaj Bjorner
0859be5649 #6953 
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 (#6954) 
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