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16774 commits 49 branches 53 tags 182 MiB
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1793 commits

Author SHA1 Message Date
Nikolaj Bjorner
91ac15d716 add u256 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-08-04 10:32:18 -07:00
Nikolaj Bjorner
da60abd84b #5445 2021-08-03 11:19:42 -07:00
Nikolaj Bjorner
202ed79a24 #5445 2021-08-03 11:17:23 -07:00
Nikolaj Bjorner
a4cc9e7895 #5429 #5445 2021-08-01 12:49:36 -07:00
Jakob Rath
8a773d2bee
Polysat updates (#5444) 
* Simplify adding lemmas

* Remove misleading constructor from tmp_assign.

The idea is that tmp_assign is only created on the stack and
short-lived.  Instead of having a convenience constructor that takes a
constraint_ref, it's clearer to have an explicit .get() at the call
site.

* Remove some log messages

* bugfix

* fix

* Add stub for conflict_core

* wip

* Add example by Clemens
 2021-07-30 11:14:19 -07:00
Nikolaj Bjorner
16413b4f9a #5429 2021-07-27 17:18:22 -07:00
Nikolaj Bjorner
005d35f9c9 #5422 2021-07-21 07:39:39 -07:00
Nikolaj Bjorner
ca8f914dd8 #5422 2021-07-21 07:22:05 -07:00
Nikolaj Bjorner
b0a22105d6 na 2021-07-19 13:28:20 -07:00
Nikolaj Bjorner
188a478214 #5417 
strict inequality (over reals) require solving for least-upper/greatest-lower bounds that may coincide with non-strict inequalities (be epsilon stronger). Instead of using the coefficient 'a' to turn the inequality into an equality, add the slack value as a constant.
 2021-07-19 13:19:03 -07:00
Nikolaj Bjorner
4c6e2acd45 add colors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-15 00:03:56 +02:00
Nikolaj Bjorner
cab1076514 #5336 2021-07-11 21:00:58 +02:00
Nikolaj Bjorner
d5ff672aaa generalize co-factor to handle cubes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-05 14:10:09 +02:00
Nikolaj Bjorner
04ce8ca5ef u256, separate viable_set 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-04 23:47:12 -07:00
Nikolaj Bjorner
aeec3bb6df viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-04 10:20:01 -07:00
Nikolaj Bjorner
c0e885931c na 2021-07-03 15:44:25 -07:00
Nikolaj Bjorner
e19a7f71aa u256 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 11:31:23 -07:00
Nikolaj Bjorner
ff717a9db1 test / fix wrap-around for mod-interval 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 10:49:22 -07:00
Nikolaj Bjorner
1355ea432a na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 09:42:25 -07:00
Nikolaj Bjorner
ac0945d617 add memory header 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 09:38:08 -07:00
Nikolaj Bjorner
4a94d13c4d na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 09:34:53 -07:00
Nikolaj Bjorner
c3ac079272 include path 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 09:15:21 -07:00
Nikolaj Bjorner
674e030456 include paths, separate test for mod_interval 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 09:09:54 -07:00
Nikolaj Bjorner
7b31a4e6d1 missing file 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-03 08:52:50 -07:00
Nikolaj Bjorner
1ed1e416b7 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 16:34:33 -07:00
Nikolaj Bjorner
babb90832c initial u256 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 16:24:23 -07:00
Nikolaj Bjorner
c053c7f1c8 virtual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 13:30:15 -07:00
Nikolaj Bjorner
cc4354ffd5 warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 13:27:00 -07:00
Nikolaj Bjorner
c54b9305b5 viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 11:26:17 -07:00
Nikolaj Bjorner
0fc9d7ad0d viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 11:26:05 -07:00
Nikolaj Bjorner
0520180846 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 03:49:23 -07:00
Nikolaj Bjorner
9e69e1614e na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 03:33:51 -07:00
Nikolaj Bjorner
788de7d614 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 02:48:45 -07:00
Nikolaj Bjorner
05bcf0bed7 test sup 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-01 10:33:25 -07:00
Nikolaj Bjorner
5edc939b85 inf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 21:29:28 -07:00
Nikolaj Bjorner
7d5a1acb61 test sup 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 21:12:00 -07:00
Nikolaj Bjorner
6eae7d71db sketch computation for sup 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 20:07:10 -07:00
Nikolaj Bjorner
b9f6fc5130 debug buidl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 13:55:57 -07:00
Nikolaj Bjorner
5549301335 remove unreachable code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 09:13:13 -07:00
Nikolaj Bjorner
b019477378 add cofactoring functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 09:11:42 -07:00
Nikolaj Bjorner
1defbc8aa4 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2021-06-30 01:05:42 -04:00
Nikolaj Bjorner
a374e739f1 prepare for tuned viable sets 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-30 01:05:34 -04:00
Jakob Rath
3436b52c4a
Polysat: refactor constraints (#5372) 
* Refactor: remove sign and dep from constraint

* fix some bugs

* improve log messages

* Add missing premises to lemma

* Rename getter in an attempt to fix linux build
 2021-06-25 11:04:25 -07:00
Nikolaj Bjorner
a0b0c1f428 with a fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 17:50:33 -07:00
Nikolaj Bjorner
4f0ec82957 functionally complete viable, needs to be debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 17:44:52 -07:00
Nikolaj Bjorner
db242c28c6 make it C++17 friendly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-23 15:20:59 -07:00
Jakob Rath
20a5baeb70
Polysat: expand conflict explanation rules (#5366) 
* update example to match slides

* Add normalized view of inequalities

* workaround

* Add a conflict explanation rule

* unit clauses should be asserted at the base level

* Add src constraint to interval

* support non-strict case in first rule

* print conflict constraints only once

* update second rule

* update third rule as well
 2021-06-23 10:12:39 -07:00
Nikolaj Bjorner
dec37aee34 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 21:01:17 -07:00
Nikolaj Bjorner
01c81405af remove var-constraint alltogether 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 20:58:32 -07:00
Nikolaj Bjorner
b9719768a0 more viable scaffolding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-06-22 20:55:56 -07:00