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Code Activity
21998 commits 66 branches 58 tags 203 MiB
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17922 commits

Author SHA1 Message Date
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
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
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
copilot-swe-agent[bot]
d4b99730b9 Fix build error: remove stale dep_tracker method definitions from seq_nielsen.cpp 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 18:30:33 +00:00
copilot-swe-agent[bot]
56e9e9df57 Add theory_seq_len: partial axiom instantiation for sequence length constraints 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 18:02:04 +00:00
Nikolaj Bjorner
2e636ec25d
Merge branch 'c3' into copilot/replace-lp-solver-with-abstract-solver 2026-03-10 10:35:44 -07:00
Nikolaj Bjorner
3f0e821207
Merge pull request #8923 from Z3Prover/copilot/host-char-range-and-set 
Move char_range and char_set from seq_nielsen to zstring
 2026-03-10 10:18:58 -07:00
Nikolaj Bjorner
c710e1fa14
Merge pull request #8922 from Z3Prover/copilot/replace-dep-tracker-with-uint-set 
Replace dep_tracker with uint_set in seq_nielsen
 2026-03-10 10:18:37 -07:00
copilot-swe-agent[bot]
40b33ab353 Address code review: simplify constructor, add UNREACHABLE() 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 17:10:36 +00:00
copilot-swe-agent[bot]
35addda546 Replace lp_solver in seq_nielsen with abstract simple_solver class 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 17:08:57 +00:00
copilot-swe-agent[bot]
5330bd20bc Replace dep_tracker class in seq_nielsen with uint_set 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 16:58:50 +00:00
copilot-swe-agent[bot]
430a43045a Move char_range and char_set from seq_nielsen to zstring 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 16:57:43 +00:00
copilot-swe-agent[bot]
2f8cc1536c Swap author order: Clemens Eisenhofer before Nikolaj Bjorner in file headers 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-10 16:27:26 +00:00
CEisenhofer
587eec4226 More bug fixing in the gpower introduction 2026-03-09 15:20:58 +01:00
CEisenhofer
32a09859e3 Fixing power introduction 2026-03-09 15:03:26 +01:00
CEisenhofer
e1cf20f9bd Added timeout 
Some bugfixes
 2026-03-09 14:21:06 +01:00
CEisenhofer
756673f104 Trying to port integer constraints 2026-03-06 14:01:21 +01:00
CEisenhofer
009c6de235 Ported symbolic characters 2026-03-06 11:28:06 +01:00
CEisenhofer
f404bef4ba Fixed CoPilot comment 2026-03-05 19:08:31 +01:00
Nikolaj Bjorner
7db00dad9d
Merge pull request #8872 from Z3Prover/copilot/simplify-dep-tracker-constructors 
refactor(seq_nielsen): eliminate duplicate dep_tracker initialization via constructor delegation
 2026-03-05 10:00:09 -08:00
CEisenhofer
2562372142 The ZIPT tests 2026-03-05 18:59:26 +01:00
copilot-swe-agent[bot]
17894601ba refactor: use constructor delegation in dep_tracker to eliminate duplicate initialization 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-05 17:57:41 +00:00
CEisenhofer
c73291a3ba Some ZIPT test cases 2026-03-05 18:56:18 +01:00
CEisenhofer
2be1b175cc Updated benchmarking script 2026-03-05 18:42:31 +01:00
CEisenhofer
608227a27e Fixed definition extension rule 2026-03-05 18:33:58 +01:00
CEisenhofer
d8871e5c1e Eliminate common suffix for simplification 2026-03-05 18:19:58 +01:00
CEisenhofer
5a95b40bdb Canceling out common variables is a simplification step now 2026-03-05 18:17:04 +01:00
CEisenhofer
272000a466 Minor code changes 2026-03-05 18:04:51 +01:00
CEisenhofer
7dcebcdb0a A bit cleanup 2026-03-05 17:14:54 +01:00
CEisenhofer
c5e7cbc29d Fix to_dot 2026-03-05 16:58:58 +01:00
copilot-swe-agent[bot]
2eebe57467 Extract handle_empty_side helper in seq_nielsen to eliminate duplicate code 
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
 2026-03-05 03:21:02 +00:00