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Code Activity
15933 commits 29 branches 52 tags 172 MiB
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1135 commits

Author SHA1 Message Date
Nikolaj Bjorner
209f6a9e2e regression free behavior 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 16:21:19 -07:00
Nikolaj Bjorner
287bccde30 disable new incomplete functionality for master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 15:56:57 -07:00
Nikolaj Bjorner
7756e2c6d5
in progress (#4386) 
* initial work on replacing str in regex check

* finish rewriter for empty string in regex

* remove unnecessary argument in mk_regexp_contains_emptystr; initial template for eval_regexp_derivative

* progress on string in regexp general check using derivatives

* added recursive nullable and derivative funcitons, partially working

* remove tests from z3test

* fix rewriting infinite loop and some failing simplify checks

* several fixes addressing comments for z3 main branch PR #4386

* redo derivative to return an expr_ref, and null on failure

Co-authored-by: calebstanford-msr <t-casta@microsoft.com>
 2020-05-19 15:55:19 -07:00
Nikolaj Bjorner
5fe0eeda63 disable regressions in ST mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 09:37:06 -07:00
Nikolaj Bjorner
0f8f886389 use single return pattern 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 20:27:50 -07:00
Nikolaj Bjorner
bc03ffb800 typing error 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 20:19:33 -07:00
Nikolaj Bjorner
d26ef08c69 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:41:37 -07:00
Nikolaj Bjorner
ff34d84b35 ranges are never nullable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:41:04 -07:00
Nikolaj Bjorner
6e55880601 constant folding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:38:21 -07:00
Nikolaj Bjorner
5bbf05c93c kleene 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:35:31 -07:00
Nikolaj Bjorner
10edee48f3 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:11:59 -07:00
Nikolaj Bjorner
9d6c870e97 remove case with hi = 0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:11:35 -07:00
Nikolaj Bjorner
f8d328b1fb add nullable, get-head-tail with Caleb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:10:00 -07:00
Murphy Berzish
1c760b04cf
re.range with non-unit arguments is the empty language (#4360) 2020-05-17 19:08:50 -07:00
Nikolaj Bjorner
1def58bc9f optional unicode mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-17 19:06:34 -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
4753d93bb7 add some of the SMTLIB2.6 conventions and features to strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-16 14:00:02 -07:00
Nikolaj Bjorner
937afbf95b draft rewrite 2020-05-16 12:43:26 -07:00
Nikolaj Bjorner
2822922d36 fix regression with mainintaing signs for monotonicity lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-16 11:17:40 -07:00
Nikolaj Bjorner
d352c61e01 fix regression with mainintaing signs for monotonicity lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-16 11:17:39 -07:00
Nikolaj Bjorner
884a68251b fix #4266 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-11 16:53:59 -07:00
Nikolaj Bjorner
f044071f5e fix #4260 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 18:13:12 -07:00
Nikolaj Bjorner
d20259b57a remove stdout 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-05 14:42:50 -07:00
Nikolaj Bjorner
b81ab94db7
pipeline with release mode (#4206) 
* pipeline with release mode

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

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-04 12:30:03 -07:00
Nikolaj Bjorner
6a540e8429
add Julia to pipeline (#4199) 
* add Julia to pipeline

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

* na

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

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-03 17:16:46 -07:00
Nikolaj Bjorner
4067c84611 prepare for stronger rewrites 2020-05-02 15:51:49 -07:00
Nikolaj Bjorner
f30d63a8f2 better rewriting for ule 2020-05-02 12:59:12 -07:00
Nikolaj Bjorner
f3dd58d7ad fix #4187 2020-05-02 11:42:03 -07:00
Nikolaj Bjorner
f313ab9e4c correct newly introduced rewrite 2020-05-02 10:15:06 -07:00
Nikolaj Bjorner
ec8866c91a na 2020-05-02 06:44:35 -07:00
Nikolaj Bjorner
f0d33ddddb some simplifications based on #4178 2020-05-02 06:44:34 -07:00
Nikolaj Bjorner
f8590634bd fix #4164 2020-05-01 11:04:48 -07:00
Nikolaj Bjorner
4d54b4109f #4153 2020-04-28 22:03:11 -07:00
Nikolaj Bjorner
a11dc5d3b5 shuffle checks for enable_edge around fix #4159 2020-04-28 19:51:34 -07:00
Nikolaj Bjorner
fa1197a78f fix #4155 2020-04-28 13:51:25 -07:00
Nikolaj Bjorner
815feddd1a fix #4156 2020-04-28 13:47:26 -07:00
Nikolaj Bjorner
e3f712b3cf build 2020-04-28 13:00:56 -07:00
Nikolaj Bjorner
19409a25a6 value sweep 2020-04-27 18:58:43 -07:00
Nikolaj Bjorner
8996e8129e fix #4120 2020-04-27 12:06:33 -07:00
Nikolaj Bjorner
f7a7b9e1f4 fix #4108 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Nikolaj Bjorner
735888145e fix #4112 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Nikolaj Bjorner
f9193809ea add recfun rewriting, remove quantifier based recfun 2020-04-26 12:59:51 -07:00
Nikolaj Bjorner
a884201d62 remove using insert_if_not_there2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-25 15:08:51 -07:00
Nikolaj Bjorner
470e87afe9 update rewite modality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 01:12:06 -07:00
Nikolaj Bjorner
851c38f64a fix #4086 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:52:02 -07:00
Nikolaj Bjorner
2793c3af2c more replace rewrites #4084 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:48:02 -07:00
Nikolaj Bjorner
03ba268219 more replace rewrites #4084 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:25:36 -07:00
Nikolaj Bjorner
04fec3f6a0 fix #4076 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 21:34:20 -07:00
Nikolaj Bjorner
cc8cd2cc2f na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 21:28:19 -07:00