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Author SHA1 Message Date
Nikolaj Bjorner 63f48f8fd4 add options for logging learned lemmas and theory axioms 
- add solver.axioms2files
  - prints negated theory axioms to files. Each file should be unsat
- add solver.lemmas2console
  - prints lemmas to the console.
- remove option smt.arith.dump_lemmas. It is replaced by solver.axioms2files
 2022-08-08 11:18:56 +03:00
Nikolaj Bjorner 377d060036 move to separate axiom management 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-23 18:09:45 -08:00
Nikolaj Bjorner d9fb40602e use theory agnostic axioms in more cases 2021-02-21 18:36:53 -08:00
Nikolaj Bjorner a22fb8a96e revert unit propagation of equality literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 23:11:03 -08:00
Nikolaj Bjorner 27584d68db more rewrite rules 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 22:14:53 -08:00
Nikolaj Bjorner ca9fcbd1df na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 13:46:59 -08:00
Nikolaj Bjorner 4f9117a921 Move seq axioms to theory independent module 2021-02-16 05:13:52 -08:00
Nikolaj Bjorner 70b4822571 patch seq theory using purification to avoid unsoundness caused by interaction with canonization and rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-14 17:41:06 -08:00
Nikolaj Bjorner eac69c5504 incorrect axiomatization 
Fixes repro in https://github.com/Z3Prover/z3/issues/4866#issuecomment-778706682
 2021-02-14 15:29:10 -08:00
Nikolaj Bjorner 612cc5cfba fix #5014 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-12 16:01:33 -08:00
Nikolaj Bjorner 5c04b9eee2 fix #5012 
teething stage for from/to code axiomatization
 2021-02-09 16:38:03 -08:00
Nikolaj Bjorner a152bb1e80 remove template Context dependency in every trail object 2021-02-08 15:41:57 -08:00
Nikolaj Bjorner 937b61fc88 fix build, refactor 2021-02-02 05:26:57 -08:00
Nikolaj Bjorner 3ae4c6e9de refactor get_sort 2021-02-02 04:45:54 -08:00
Nikolaj Bjorner 03fd251ccb streamline unicode/ascii toggling. Fix bit-width for unicode to 18 2021-01-23 11:11:44 -08:00
Nikolaj Bjorner 4be6927460 unused variable warning 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-26 13:22:12 -07:00
Nikolaj Bjorner 78afa2527c unused variable warning 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-26 13:22:12 -07:00
Nikolaj Bjorner f789573d12 prepare for alternative axiom 2020-07-25 15:10:39 -07:00
Nikolaj Bjorner e63992c8bd fix #4589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-24 15:46:54 -07:00
Nikolaj Bjorner aab50ff3f5 fixing bugs reported in #4518 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-21 15:50:19 -07:00
Nikolaj Bjorner 1bfc12d6e6 initial stab at independent unicode module 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-17 11:42:39 -07:00
Nikolaj Bjorner fc8dfe3e40 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-17 05:35:32 -07:00
Nikolaj Bjorner 34cc60410f additional str/re operators, remove encoding option from zstring 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-17 05:08:36 -07:00
Nikolaj Bjorner 3fc001baea simplifications noticed by trying #4147 
The change masks possible bugs in smt.threads and arrays.
 2020-04-29 12:07:01 -07:00
Nikolaj Bjorner 4d54b4109f #4153 2020-04-28 22:03:11 -07:00
Nikolaj Bjorner 95a78b2450
updates to seq and bug fixes (#4056) 
* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4037

* nicer output for skolem functions

* more overhaul of seq, some bug fixes

* na

* added offset_eq file

* na

* fix #4044

* fix #4040

* fix #4045

* updated ignore

* new rewrites for indexof based on #4036

* add shortcuts

* updated ne solver for seq, fix #4025

* use pair vectors for equalities that are reduced by seq_rewriter

* use erase_and_swap

* remove unit-walk

* na

* add check for #3200

* nits

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* name a type

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove fp check

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove unsound axiom instantiation for non-contains

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix rewrites

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4053

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4052

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:18:55 -07:00
Nikolaj Bjorner c8b9eba069 fix #4028 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 23:10:00 -07:00
Nikolaj Bjorner fcc34a07b2 fix #4019 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:36:34 -07:00
Nikolaj Bjorner 339a2568b2 fix #4021 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:18:18 -07:00
Nikolaj Bjorner 79b776fee5 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:00:38 -07:00
Nikolaj Bjorner b92b6c0fc6 add missing digit axioms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 11:12:37 -07:00
Nikolaj Bjorner 99c90d2419 fix crash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner 0fe2d3d8b7 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner a9c4984a16 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner 3e9479d01a a lot of seq churn 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 18:21:40 -07:00
Nikolaj Bjorner a83f72b657 some fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 07:33:43 -07:00
Nikolaj Bjorner 501aa7927d split into seq_axioms and seq_skolem 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 06:14:52 -07:00