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338 commits

Author SHA1 Message Date
Nikolaj Bjorner
9c3f0190f4 fix #4069
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-23 20:53:13 -07:00
Nikolaj Bjorner
c7878e384c fix #4060
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-22 17:46:16 -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
e1fa04b365 disable breaking change to model generation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-19 16:53:20 -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
a83f72b657 some fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-17 07:33:43 -07:00
Nikolaj Bjorner
f67077b7ff warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-15 17:13:02 -07:00
Nikolaj Bjorner
835b57b775 fix #3961 fix #3940
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-14 17:33:44 -07:00
Nikolaj Bjorner
e1027790ae more to #3926
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-13 16:04:54 -07:00
Nikolaj Bjorner
9f42338de8 fix #3926
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-13 14:43:27 -07:00
Nikolaj Bjorner
0ee79182d4 fix #3911
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-11 14:09:09 -07:00
Nikolaj Bjorner
57d430b3fd fix #3700
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-02 06:38:14 -07:00
Nikolaj Bjorner
73d73e6c95 enhance rewriting for indexof based on #3516
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-25 13:29:36 -07:00
Nikolaj Bjorner
d8423a4b46 na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-26 20:53:58 -08:00
Nikolaj Bjorner
67cc2a8cf0 fix #2939
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-05 04:51:35 -08:00
Nikolaj Bjorner
ee62f83131 fix #2892
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-27 20:59:02 -08:00
Nikolaj Bjorner
7e415c1b69 update to logging 2019-12-04 23:08:41 +03:00
Nikolaj Bjorner
7e452254c3 distribute string and regex concatenation on literals, scenario exposed by #2668
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-29 11:24:18 -08:00
Nikolaj Bjorner
3c6dceae7c fix #2717
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-18 12:03:59 -08:00
Nikolaj Bjorner
64dd4e1c83 fix #2659
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-25 10:42:21 -07:00
Nikolaj Bjorner
71d68b8fe0 fix #2445 fix #2519
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-13 20:24:14 -07:00
Nikolaj Bjorner
a921b4ff4a fix #2643 - fuzzers are here to get you @lorisdanton
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-12 18:19:13 -07:00
Nikolaj Bjorner
9a516e5e41 fix str.at rewrite
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-06 20:43:02 -07:00
Nikolaj Bjorner
a8e7074ddd fix #2618
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-06 19:44:33 -07:00
Nikolaj Bjorner
64d4e599c1 re rewriter for loop
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-23 09:40:23 -07:00
Nikolaj Bjorner
dee8a9f308 remove more unsound rewrites #2575
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-23 02:56:31 -07:00
Nikolaj Bjorner
dc625cb01d remove unsound rewrite
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-22 08:40:44 -07:00
Nikolaj Bjorner
4101652747 handle case where lower bound is above upper
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-20 09:54:18 -07:00
Nikolaj Bjorner
cd0cd82eb7 add rewrites for #2575
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-20 08:55:53 -07:00
Nikolaj Bjorner
12034df11a add rewrites for #2575
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-20 02:16:30 -07:00
Nikolaj Bjorner
67c4777514 fix #2548 fix #2530
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-13 15:03:04 +02:00
Nikolaj Bjorner
8f4e7f4961 fix #2533
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-03 23:47:38 -07:00
Nikolaj Bjorner
a337a51374 fixes for #2513
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-23 23:29:24 +03:00
Nikolaj Bjorner
584eee2cf4 fixing #2448 and #2445 and #2443
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
3d1c40ce23 fixing #2448
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-02 15:06:34 -07:00
Nikolaj Bjorner
9d6728aa71 fix unsound rewrite
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-02 01:14:31 +08:00
Nikolaj Bjorner
0a29002c2f return unknown if m_array_weak was used and result is satisfiable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-02 00:20:41 +08:00
Daniel Schemmel
5e5c231712
Remove unused variables 2019-07-23 11:09:50 +02:00
Nikolaj Bjorner
aff4b3022a fix #2417
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-21 10:57:52 -07:00
Nikolaj Bjorner
e593b5b2c8 fix #2415
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-20 16:23:01 -07:00
Nikolaj Bjorner
559af09b07 fix index cases
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-12 19:01:39 +01:00
Nikolaj Bjorner
d861b91289 augment axiomatization for substr to fix #2366
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-12 11:13:05 +01:00
Nikolaj Bjorner
79e4b84507 augment axiomatization for substr to fix #2366
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-12 11:12:01 +01:00
Nikolaj Bjorner
218edbe9c6 ensure also negative lt are constrained #2360
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-30 07:50:35 +03:00
Nikolaj Bjorner
85b0722df0 ensure also negative lt are constrained
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-30 07:44:06 +03:00
Nikolaj Bjorner
3c8fd83c97 implementing last-index-of #2089
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-22 12:29:50 -07:00
Nikolaj Bjorner
b63a0e31d3 fix regression from #2061 breaking #2074
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-07 16:30:04 -08:00
Nikolaj Bjorner
71e239c08e fix #2061
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-06 11:49:47 -08:00
Nikolaj Bjorner
35e8decdb1 for #2039
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-12-18 11:27:04 -08:00
Nikolaj Bjorner
b40c2b2926 fix #876
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-12-10 14:11:00 -08:00