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22037 commits 67 branches 58 tags 205 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
b5dae574ad add review notes to seq_model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-14 15:49:00 -07:00
Nikolaj Bjorner
40b9d80ae5 more review 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-14 12:20:01 -07:00
Nikolaj Bjorner
744d75e8cc more review 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-14 12:10:12 -07:00
Nikolaj Bjorner
0dc5b4eef5 add review comments 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-14 11:59:47 -07:00
Copilot
5a3dbaf9f3
Move nseq_regex/state into smt/seq and seq_model into smt/; rename to seq_* prefix (#8984) 
* Initial plan

* build verified: nseq_regex moved to smt/seq

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

* rename nseq_regex/state/model to seq_regex/state/model in smt/seq; add Clemens Eisenhofer as co-author

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

* seq_model: remove theory_nseq dependency; get family_id from seq_util

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

* Add comments for regex enhancements in seq_model

Added comments regarding future improvements for regex handling.

* Add comments for large exponent handling

Add comments for handling large exponents in seq_model.cpp

* Revise comments for clarity on sort usage

Updated comments to reflect review suggestions regarding the use of the sort of 'n'.

* seq_state: remove sgraph dep; seq_model: use snode sort for is_empty; remove NSB review comments

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

* Update seq_state.h

* Remove unnecessary include for smt_context.h

* move seq_model from smt/seq/ to smt/; fix seq_state.h add_str_mem typo

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>
 2026-03-14 11:45:32 -07:00
Nikolaj Bjorner
27f5541b0b updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-13 18:19:25 -07:00
Nikolaj Bjorner
8a48caf742 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-13 10:25:43 -07:00
Nikolaj Bjorner
df9df50a71 update generation of empty sequence to take sort argument, fix mk_concat substitution 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-13 10:03:52 -07:00
CEisenhofer
e384e8f3d4 Added right-to-left rules 2026-03-13 17:25:14 +01:00
copilot-swe-agent[bot]
c6cfd43ab2 Fix build: correct constructor initializer list syntax in seq_nielsen.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-12 20:16:52 +00:00
Nikolaj Bjorner
5d0f5dc4e5
Merge branch 'c3' into copilot/add-parikh-filter-implementation-again 2026-03-12 09:20:03 -07:00
CEisenhofer
3ad9c290fc Use length information during Nielsen saturation 2026-03-12 17:01:44 +01:00
CEisenhofer
e8354a783a Power base compression 2026-03-12 13:24:20 +01:00
CEisenhofer
bee9fd82f0 Another power bug 2026-03-12 12:59:03 +01:00
CEisenhofer
87c5be8904 Fixed progress annotations 2026-03-12 11:22:42 +01:00
CEisenhofer
1351efe9af Unit cases 2026-03-12 11:13:18 +01:00
copilot-swe-agent[bot]
9813b2adfb Merge branch 'c3' of https://github.com/Z3Prover/z3 into copilot/add-parikh-filter-implementation-again 2026-03-12 04:22:43 +00:00
copilot-swe-agent[bot]
dac52ae4e0 remove smt_kernel.h dependency from seq_nielsen.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-12 03:00:38 +00:00
Nikolaj Bjorner
6fa3c7eabb
Merge branch 'c3' into copilot/add-parikh-filter-implementation-again 2026-03-11 19:27:03 -07:00
Nikolaj Bjorner
3d36fb95ec
Merge branch 'c3' into copilot/update-simple-solver-incremental-mode 2026-03-11 19:24:21 -07:00
copilot-swe-agent[bot]
a51ba544ea Fix typo: rename m_parith to m_parikh in seq_nielsen.h/.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 19:08:11 +00:00
copilot-swe-agent[bot]
4b2f5e2bb0 Add seq_parikh unit tests: 32 tests covering stride, constraints, conflict, char_set 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 18:36:28 +00:00
copilot-swe-agent[bot]
30c2a9ccdc Address code review: add SASSERT for lo>hi, simplify is_to_re handling 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 17:23:00 +00:00
copilot-swe-agent[bot]
194dfe6c61 Port ZIPT Parikh features: minterm_to_char_set, char range constraints, fix stride soundness 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 17:21:27 +00:00
CEisenhofer
99727faf70 Model reconstruction 2026-03-11 18:13:16 +01:00
copilot-swe-agent[bot]
255d381b72 Make simple_solver incremental: use push/pop scopes in Nielsen DFS 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 17:09:34 +00:00
copilot-swe-agent[bot]
45a574d7fa Remove nseq_parith.h and nseq_parikh.cpp backwards-compat shims 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 15:48:05 +00:00
CEisenhofer
d23f376b39 Fixed a lot regarding powers, but there seems to be a model reconstruction bug left 2026-03-11 16:44:14 +01:00
CEisenhofer
6d0468861d Fixed git merge problems 2026-03-11 13:05:27 +01:00
CEisenhofer
2f46c8893e Another attempt to fix powers 2026-03-11 11:29:25 +01:00
copilot-swe-agent[bot]
213ddd36ba Rename nseq_parikh→seq_parikh; add m/seq/a member attributes to seq_parikh 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 05:41:16 +00:00
copilot-swe-agent[bot]
4ac5315846 Fix review: min>=max guard, ceiling-div overflow, SASSERT, accessor methods, comments 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 05:15:20 +00:00
copilot-swe-agent[bot]
eca5fcc7bb Integrate nseq_parith into nielsen_graph; add k upper bound and check_parikh_conflict 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 05:10:30 +00:00
copilot-swe-agent[bot]
35ee8f917d Remove redundant zero-guards before u_gcd calls in concat/intersection cases 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 04:26:26 +00:00
copilot-swe-agent[bot]
4cdfceabc5 Use u_gcd from util/mpz.h instead of local gcd definition 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 04:24:16 +00:00
copilot-swe-agent[bot]
d267e452a2 Add Clemens Eisenhofer as co-author to nseq_parith.h and nseq_parikh.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 04:21:30 +00:00
copilot-swe-agent[bot]
334df71b11 Add nseq_parith.h and nseq_parikh.cpp: Parikh filter for ZIPT string solver 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-11 00:05:26 +00:00
Nikolaj Bjorner
53d5d98341
Merge branch 'c3' into copilot/implement-int-bounds-var-bound-watcher 2026-03-10 16:33:25 -07:00
copilot-swe-agent[bot]
57ede4cdcd Address code review: clarify add_lower/upper_int_bound return semantics; fix test assertion 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 23:29:15 +00:00
copilot-swe-agent[bot]
47f9be0270 Implement IntBounds/VarBoundWatcher + Constraint.Shared; fix pre-existing build errors 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 23:26:55 +00:00
Nikolaj Bjorner
3a71f28c6c
Rename dummy_simple_solver to zipt_dummy_simple_solver 2026-03-10 15:49:24 -07:00
copilot-swe-agent[bot]
0efb7402e8 Fix build: add dummy_simple_solver to nseq_zipt.cpp fixture, fix assert_expr in seq_nielsen.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 22:47:49 +00:00
Nikolaj Bjorner
d2739d9816 use reference to solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-10 15:22:50 -07:00
Nikolaj Bjorner
c98ea6dc21 make simple solver a reference 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-10 15:10:51 -07:00
copilot-swe-agent[bot]
5744958e46 Replace lp_simple_solver in nielsen with context_solver using smt::kernel (seq_len) 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 21:39:29 +00:00
Nikolaj Bjorner
a8269c7d98
Merge pull request #8930 from Z3Prover/copilot/introduce-constraints-on-s 
Use mod-based constraints for semi-linear regex length sets
 2026-03-10 13:33:43 -07:00
copilot-swe-agent[bot]
334e6da60d Guard mod constraint: skip for period <= 1 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 20:14:53 +00:00
copilot-swe-agent[bot]
2bae0f02c4 Replace fresh-variable semi-linear constraint with mod-based approach 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 19:48:18 +00:00
copilot-swe-agent[bot]
472d9bde6c Fix unused variable build warnings in theory_finite_set, theory_finite_set_size, theory_nseq 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 18:52:40 +00:00
Nikolaj Bjorner
83c8743ea7
Merge pull request #8925 from Z3Prover/copilot/add-theory-seq-len-solver 
Add theory_seq_len: partial sequence length axiomatization via semi-linear constraints
 2026-03-10 11:36:33 -07:00