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22379 commits

Author SHA1 Message Date
CEisenhofer
1e567a4a26 Bug fixes 2026-04-02 10:26:36 +02:00
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
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
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
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
Nikolaj Bjorner
6d2321e6fe edits to seq_nielsen
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-30 17:36:27 -07:00
Nikolaj Bjorner
9aceaf3cac reviewing seq_nielsen, detect repeated final-check to avoid rebuilding nielsen graph
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-30 00:01:24 -07:00
Nikolaj Bjorner
a79a48ed2a add comment about fresh variable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-29 20:16:07 -07:00
Nikolaj Bjorner
684cb23b40 turn on constraint integrity checking
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-29 19:30:13 -07:00
Nikolaj Bjorner
d7ee475bc3 ensure equalities are propagated
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-29 16:47:05 -07:00
Nikolaj Bjorner
6d31bdcc21 use sk.mk_seq_eq to avoid disequality propagations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-29 15:45:54 -07:00
Copilot
09cde1f80c
Port propagate_eq from theory_seq for sk().is_eq in theory_nseq (#9165)
Agent-Logs-Url: https://github.com/Z3Prover/z3/sessions/7c0a330f-3f9f-4c5d-99f2-47fad013538f

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
2026-03-29 15:44:18 -07:00
Nikolaj Bjorner
3db734d249 add note about propagate-eq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-29 15:19:36 -07:00
CEisenhofer
ebd35bc5a3 Avoid doing extensions steps twice, as the bounds are recognized too late 2026-03-26 17:32:41 +01:00
CEisenhofer
dcc85cf9ef Bug in power elimination 2026-03-26 17:18:38 +01:00
Nikolaj Bjorner
2a72faf15e make sure conflict literal is negated
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-26 08:01:00 -07:00
CEisenhofer
3b5b53126e Bug fixing with unit replacement 2026-03-26 15:56:58 +01:00
CEisenhofer
17ca44b351 Readded depth limit 2026-03-26 11:30:54 +01:00
Nikolaj Bjorner
fa4cd37c07 add the false literal callback
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-25 13:35:25 -07:00
Nikolaj Bjorner
77d86343d0 add the false literal callback
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-25 13:35:18 -07:00
CEisenhofer
ed403efefd Readded subsolver bound computation (something went wrong with git) 2026-03-25 20:26:30 +01:00
CEisenhofer
910c68cd42 Missing internalization 2026-03-25 20:21:54 +01:00
CEisenhofer
495921ca17 Fixed splitting on symbolic character 2026-03-25 20:21:54 +01:00
CEisenhofer
813a06fa38 Use subsolvers bounds rather than computing them inside nseq 2026-03-25 20:21:49 +01:00
Nikolaj Bjorner
af4677950b add code for adding assumptions after sat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-25 11:45:43 -07:00
Nikolaj Bjorner
a0ba950987 fix type errors
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-25 11:19:53 -07:00
Nikolaj Bjorner
9d2244798d fix insertions into subst.
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2026-03-25 09:00:37 -07:00