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13909 commits 23 branches 48 tags 157 MiB
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11723 commits

Author SHA1 Message Date
Nikolaj Bjorner
d1d14111cb turn on Unicode parsing when they fit in 8 bits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 10:41:19 -07:00
Hari Govind V K
b7d7ff38cb
bug fix. Handle unknown without model (#4443) 2020-05-22 10:12:42 -07:00
Nikolaj Bjorner
9eedd4ecd6 gate mk_bool_app by existence of regex 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 10:09:16 -07:00
Nikolaj Bjorner
82fb7573d7 more rewrites for emptiness 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-22 09:56:21 -07:00
Margus Veanes
5d6be3f17f
adding regex simplification rewriter (#4440) 2020-05-22 09:55:29 -07:00
Nikolaj Bjorner
18bb90f93d fix #4426 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-21 21:27:26 -07:00
Nikolaj Bjorner
9da0b61d30 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
131dfc2101 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
ce1fd26b19 #4424 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
698d300511 na 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
5307797c32 #4424 2020-05-21 21:04:48 -07:00
Nikolaj Bjorner
4c9517260c #4427 2020-05-21 21:04:48 -07:00
Hari Govind V K
ed92b8437c
fix #4054 (#4277) 
* flag when quantified lemmas are added to smt_context

* When solver returns unknown but cannot create child, return unknown

* handle unknowns when qlemmas and weak_abs are turned on
 2020-05-21 09:58:09 -07:00
Lev Nachmanson
bfd2407e0f
Debug (#4415) 
* fix it explanation.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix explanation.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add options to run bound propagation on monomials etc.

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-21 09:55:01 -07:00
Nikolaj Bjorner
1729232254 fix #4414 2020-05-20 14:28:41 -07:00
Nikolaj Bjorner
f2d3160181 try different field order for Mac build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-20 01:06:56 -07:00
Nikolaj Bjorner
1dcbde4ecb fix #4401 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 19:55:39 -07:00
Nikolaj Bjorner
6381cfdc05 remove old functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 16:34:21 -07:00
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
1ce63363ba fix #4400 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 15:56:08 -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
fca44ff3f2 fix #4394 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 13:40:03 -07:00
Nikolaj Bjorner
72d129eb75 #4396 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-19 13:13:09 -07:00
Lev Nachmanson
af2f74c05f
smarter explanation.h (#4385) 
* smarter explanation.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* clean explanation API

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* suppress warnings

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* disable the warnings

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-19 12:38:44 -07:00
Alexey Vishnyakov
3b0c40044f
SINGLE_THREAD: do not use pthread if possible (#4382) 2020-05-19 09:45:41 -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
Nuno Lopes
232f1b5fbe fix a gcc 10 warning 2020-05-19 14:44:14 +01:00
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
7f22eb594e don't pretend to handle new operators #4387 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 20:04:43 -07:00
Nikolaj Bjorner
e525543bd0 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:47:13 -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
55225824ee remove std::mutex, replace by util/mutex.h in api_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 19:15:11 -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
Nikolaj Bjorner
c40c4313a4 parens 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 18:07:40 -07:00
Nikolaj Bjorner
5844964d95 rename temporary macro 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 17:17:51 -07:00
Nikolaj Bjorner
8e8e9be25f st 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 16:49:43 -07:00
Nikolaj Bjorner
c2a59a89af thanks to https://github.com/Z3Prover/z3/pull/4382#issuecomment-630468832_ 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:32:23 -07:00
Nikolaj Bjorner
801eb47fae remove thread dependency in symbol.cpp on single thread #4382 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:16:08 -07:00
Nikolaj Bjorner
ff10afd226 remove thread dependency in symbol.cpp on single thread #4382 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:11:24 -07:00
Nikolaj Bjorner
f538ee3fe2 another module level ifdef for #4382 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:07:39 -07:00
Nikolaj Bjorner
fd57faee7c another module level ifdef for #4382 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:03:58 -07:00
Nikolaj Bjorner
c8c02060ee another module level ifdef for #4382 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 15:01:27 -07:00
Nikolaj Bjorner
d603bd7e3b disable selected functionality in SINGLE_THREAD mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-18 14:47:33 -07:00