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Author SHA1 Message Date
Copilot
bbb704e63c
seq_axioms: eliminate redundant mk_literal call in add_clause (#9215) 
* Initial plan

* fix: use already-computed literal in seq_axioms::add_clause

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/0ab6afce-13a9-4e77-87b4-e416bc06f413

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-04-02 21:08:16 -07:00
Copilot
ddd8bf84d7
Replace apply_regex_unit_split with apply_regex_if_split (#9210) 
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/7df36402-f2c7-4de5-b626-3df14d4eee64

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-04-02 14:27:06 -07:00
Nikolaj Bjorner
e59ee306e9 allow literals to be false in model validation - we can't enforce lack of propagation after internalizing literals, especially if literals are repeated (modulo permutation of equality) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 12:51:47 -07:00
Nikolaj Bjorner
3629cd9447 regression fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 11:42:50 -07:00
CEisenhofer
9b3826ed86 Missing case in concatenation 2026-04-02 20:08:00 +02:00
CEisenhofer
a81ce477f5 Added classical regex factorization 2026-04-02 20:08:00 +02:00
Nikolaj Bjorner
3ca960d679 test that there is a model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 10:49:09 -07:00
Nikolaj Bjorner
b0a4a15c98 updated tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 10:04:02 -07:00
CEisenhofer
34cb0a17fc str.at wants a special treatment... 2026-04-02 18:33:44 +02:00
Copilot
8d7ed66ebf
Fix Specbot Crash Analyzer: move Z3 build to pre-steps to avoid MCP session timeout (#9200) 
* Initial plan

* Fix specbot-crash-analyzer: move build to pre-steps to avoid MCP session timeout

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/add5e714-bc98-44cf-ad6b-5adfbe4668c3

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-04-02 08:48:25 -07:00
CEisenhofer
a8db876765 Fix problem with divisibility predicate 2026-04-02 16:25:49 +02:00
CEisenhofer
5ec28d3bc8 Eliminate length gradients from regexes 2026-04-02 15:58:15 +02:00
CEisenhofer
1282e4de11 Prevent unsoudness because of missing length propagation 2026-04-02 14:34:46 +02:00
CEisenhofer
1e567a4a26 Bug fixes 2026-04-02 10:26:36 +02:00
Copilot
eef00e2023
Add specbot-crash-analyzer agentic workflow (.md + .lock.yml) (#9198) 
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/efdf69c9-8aca-4acc-b780-f3a7769ba116

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-04-02 01:10:56 -07:00
Nikolaj Bjorner
4c463ad813 add report 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 00:48:27 -07:00
Nikolaj Bjorner
251127e45f add specbot tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-02 00:44:47 -07:00
Nikolaj Bjorner
2245451e96 remove aux function 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 19:07:37 -07:00
Nikolaj Bjorner
6e8c201234 fix test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 16:00:01 -07:00
Nikolaj Bjorner
d05dccf331 add current_value access 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 13:30:15 -07:00
Nikolaj Bjorner
b1dc2f2be2 It is possible that a non-internalized expression gets assigned to false immediately by internalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 11:49:25 -07:00
CEisenhofer
42f421ee09 Detect that adding side constraint caused a conflict 2026-04-01 20:38:15 +02:00
Nikolaj Bjorner
4524ebe614 fix type error 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 10:35:10 -07:00
CEisenhofer
f709f6d089 Don't add constraint twice 2026-04-01 18:56:45 +02:00
CEisenhofer
261385f702 Merge remote-tracking branch 'origin/c3' into c3 2026-04-01 18:51:36 +02:00
Nikolaj Bjorner
9a29a0fc24 hoist functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 09:41:49 -07:00
Nikolaj Bjorner
3879e2190a recompile workflows 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 09:27:45 -07:00
Copilot
cf051598f9
Update RELEASE_NOTES.md with Version 4.17.0 additions from discussion #9172 (#9186) 
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/488739ce-e615-410e-8956-677db4c0df2a

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-04-01 08:54:45 -07:00
Nikolaj Bjorner
5f5a0ffbd8 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 08:47:56 -07:00
Nikolaj Bjorner
f5382144e6 use mod counts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 08:41:49 -07:00
Nikolaj Bjorner
3ad6df3258 build fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 08:29:41 -07:00
CEisenhofer
beda426d7c Integer conflicts are proper conflicts 2026-04-01 17:21:11 +02:00
CEisenhofer
36b01a51f1 Properly extract justifications from subsolver 2026-04-01 16:58:26 +02:00
Copilot
7f9494329f
Refactor: Add arith_util a member to nielsen_graph, eliminate repeated local instantiations (#9185) 
* add arith_util a attribute to nielsen_graph, replace local arith_util instances

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/8d6c7e3f-5853-4c64-a448-34a10fb64f3b

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* remove arith aliases, reference a directly in nielsen_graph methods

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/a6a64bf1-86fc-41bc-a245-2f67656d5f63

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-04-01 07:18:23 -07:00
CEisenhofer
e25e93503b First try to do better dependency tracking 2026-04-01 15:23:38 +02:00
CEisenhofer
60913f0068 Output both Nielsen graph size and conflict size 2026-04-01 10:23:55 +02:00
CEisenhofer
5d95f44a03 Conflict logging 2026-04-01 10:08:03 +02:00
Nikolaj Bjorner
1f8773ea7d nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-31 20:12:59 -07:00
Nikolaj Bjorner
2cec2dadf9 cleanup 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-31 18:30:59 -07:00
Nikolaj Bjorner
013d6b3063 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-31 18:21:38 -07:00
Nikolaj Bjorner
860bd43559 remove reference to arith_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-31 16:16:53 -07:00
Copilot
56a8259717
Add Z3_mk_polymorphic_datatype to Python, .NET, Go, and TypeScript bindings (#9181) 
* Add Z3_mk_polymorphic_datatype to Python, .NET, Go, and TypeScript bindings

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/13ef481d-61f5-47e1-8659-59cd91692fdd

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Improve Python error message for polymorphic datatype self-reference check

Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/13ef481d-61f5-47e1-8659-59cd91692fdd

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-31 14:15:34 -07:00
Copilot
56eeb5b52c
Add pseudo-Boolean/cardinality constraints to Go and OCaml APIs (#9182) 
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/64ff2e48-47b1-4195-b154-ac38095dbbfb

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-31 13:44:52 -07:00
Copilot
31425b07ca
Add SetGlobalParam, GetGlobalParam, ResetAllGlobalParams to Go bindings (#9179) 
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/f06c74eb-4cac-45f6-92b9-b2698150074c

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-31 09:48:37 -07:00
Yanjun Yang(Pluto)
ba77141b51
add tag for linux/loongarch64 (#9184) 2026-03-31 08:57:20 -07:00
Nikolaj Bjorner
7ec3f7f107 add split function for unit_regex 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-31 08:56:36 -07:00
CEisenhofer
14f71ea852 Reuse power variables and symbolic characters 2026-03-31 16:36:10 +02:00
Lev Nachmanson
1ec07ac5e9 restore an optimization in scoped_numeral_vector.h 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2026-03-30 19:53:23 -10:00
Nikolaj Bjorner
54d52d882f remove indirect references to ast_manager 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-30 20:00:02 -07:00
dependabot[bot]
4ece18c284
Bump github/gh-aw from 0.57.2 to 0.65.0 (#9173) 
Bumps [github/gh-aw](https://github.com/github/gh-aw) from 0.57.2 to 0.65.0.
- [Release notes](https://github.com/github/gh-aw/releases)
- [Commits](https://github.com/github/gh-aw/compare/v0.57.2...v0.65.0)

---
updated-dependencies:
- dependency-name: github/gh-aw
  dependency-version: 0.65.0
  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>
 2026-03-30 19:17:19 -07:00