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Author SHA1 Message Date
CEisenhofer
ff6534b53e Updated script to optionally compare against ZIPT as well 2026-03-13 10:24:06 +01:00
Nikolaj Bjorner
e9ab936dea perf exploration 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2026-03-12 20:27:04 -07:00
Nikolaj Bjorner
e5da478f20
Merge pull request #8969 from Z3Prover/copilot/fix-build-in-c3 
Fix build: missing comma in nielsen_graph constructor initializer list
 2026-03-12 14:13:35 -07:00
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
copilot-swe-agent[bot]
196ce815f3 Initial plan 2026-03-12 19:55:20 +00:00
Nikolaj Bjorner
acbf5c6e4a
Merge pull request #8938 from Z3Prover/copilot/add-parikh-filter-implementation-again 
Add seq_parikh.h and seq_parikh.cpp: Parikh image filter for ZIPT Nielsen solver
 2026-03-12 09:20:18 -07:00
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
Nikolaj Bjorner
a567a7edfb
Merge pull request #8949 from Z3Prover/copilot/remove-dependency-smt-kernel 
Remove smt_kernel.h dependency from seq_nielsen.cpp
 2026-03-11 20:13:59 -07:00
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
copilot-swe-agent[bot]
bd9b5337af Initial plan 2026-03-12 02:53:14 +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
db7db05eff
Merge pull request #8943 from Z3Prover/copilot/update-simple-solver-incremental-mode 
nielsen: use simple_solver incrementally with push/pop scopes in DFS
 2026-03-11 19:24:34 -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]
d364604875 Initial plan 2026-03-11 16:35:24 +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
copilot-swe-agent[bot]
3054f0cb41 Initial plan 2026-03-10 23:43:18 +00:00
Nikolaj Bjorner
51e245a245
Merge pull request #8935 from Z3Prover/copilot/implement-int-bounds-var-bound-watcher 
Implement IntBounds/VarBoundWatcher + Constraint.Shared for Nielsen graph arithmetic pruning
 2026-03-10 16:36:52 -07:00
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
c3eb0056db
Merge pull request #8933 from Z3Prover/copilot/fix-build-error-nseq-zipt 
Fix build: nseq_zipt fixture missing simple_solver arg to nielsen_graph
 2026-03-10 15:49:46 -07:00
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
copilot-swe-agent[bot]
09f5d637b0 Initial plan 2026-03-10 22:44:11 +00:00
copilot-swe-agent[bot]
07ee2f31ef Initial plan 2026-03-10 22:41:43 +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
Nikolaj Bjorner
3e3c3f106d
Merge pull request #8931 from Z3Prover/copilot/replace-lp-simple-solver 
Replace lp_simple_solver in Nielsen graph with smt::kernel-based context_solver
 2026-03-10 15:04:40 -07:00