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16473 commits 49 branches 53 tags 182 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
e70f501932 handle potential extra nodes from q_solver 2021-09-09 09:17:11 +02:00
Jakob Rath
a5b7f9d77b change to assertion 2021-09-08 18:42:08 +02:00
Jakob Rath
18411afda2 find_upper_bound 2021-09-08 18:40:29 +02:00
Jakob Rath
64ce6cb5c1 notes 2021-09-08 18:21:09 +02:00
Jakob Rath
6766c1c349 re-enable saturation engine 2021-09-08 16:57:27 +02:00
Jakob Rath
75bac21574 Re-integrate forbidden intervals 2021-09-08 16:51:16 +02:00
Jakob Rath
a0570908fb Add support for bailout lemma 2021-09-08 16:37:47 +02:00
Jakob Rath
f2c79b851f propagate at the right level 2021-09-08 16:00:57 +02:00
Jakob Rath
40d62af796 some fixes 2021-09-08 15:46:50 +02:00
Jakob Rath
ff1185891a deactivate constraints when qhead is popped 2021-09-08 15:24:11 +02:00
Jakob Rath
e7894873c8 fix 2021-09-08 15:06:23 +02:00
Nikolaj Bjorner
0fd583f5d2 idea w/o implementation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 14:48:54 +02:00
Nikolaj Bjorner
f0984a0736 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2021-09-08 14:06:53 +02:00
Nikolaj Bjorner
c894efd777 nit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 14:06:46 +02:00
Jakob Rath
ba8fa1f072 update polynomial superposition 2021-09-08 14:01:41 +02:00
Jakob Rath
2de443c74f disable conflict_var handling for now 2021-09-08 14:01:41 +02:00
Jakob Rath
c0f51eacf8 conflict_core helpers 2021-09-08 14:01:41 +02:00
Jakob Rath
05b846a472 Activate constraints when their boolean literal is propagated 2021-09-08 14:01:41 +02:00
Jakob Rath
3f15bf5963 assign conflict_var 2021-09-08 14:01:41 +02:00
Nikolaj Bjorner
c7129d2537 more on saturation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 14:00:36 +02:00
Nikolaj Bjorner
58276e2569 reorg notes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 10:50:30 +02:00
Nikolaj Bjorner
7980b05cc1 forbidden intervals create a lemma 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 06:54:36 +02:00
Nikolaj Bjorner
c4d0ded7b7 #5532 2021-09-08 06:19:49 +02:00
Nikolaj Bjorner
8bcec83ee8 we have to replay in order, otherwise dependencies could become shuffled 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-08 00:06:22 +02:00
Nikolaj Bjorner
efdab0cd4c add more todo note 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 23:56:40 +02:00
Nikolaj Bjorner
eddc03b2eb add some validation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 23:44:30 +02:00
Nikolaj Bjorner
d8f0926620 re-adding saturation for inequalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 23:20:17 +02:00
Nikolaj Bjorner
e6e5621366 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2021-09-07 17:04:36 +02:00
Nikolaj Bjorner
146d107961 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 17:04:32 +02:00
Jakob Rath
e74cf72cef fix cjust update when backtracking over boolean decision 2021-09-07 17:03:47 +02:00
Nikolaj Bjorner
a6643955e6 forbidden interval update 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 17:00:46 +02:00
Nikolaj Bjorner
e6c4ae19c6 stab at forbidden intervals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 15:49:29 +02:00
Nikolaj Bjorner
9450ac0d18 Merge branch 'polysat' of https://github.com/z3prover/z3 into polysat 2021-09-07 15:09:28 +02:00
Nikolaj Bjorner
f48e0498d0 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 15:09:25 +02:00
Jakob Rath
c7562114ef Merge 2021-09-07 15:04:28 +02:00
Jakob Rath
24f96acf4f build_lemma returns clause_builder; adjust reason in revert_bool_decision 2021-09-07 15:02:29 +02:00
Nikolaj Bjorner
4c7ec75868 add replay 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-07 14:58:56 +02:00
Jakob Rath
733c21bb20 update 2021-09-07 14:06:32 +02:00
Nikolaj Bjorner
8c406c161e #5532 add blocking condition for recursion. 2021-09-07 12:28:18 +02:00
Jakob Rath
7d58296ad2 Begin reorganizing resolve_value 2021-09-07 11:40:50 +02:00
Jakob Rath
b4e14c31d0 comment 2021-09-07 11:36:45 +02:00
Jakob Rath
eed79df481 resolve_bool should work normally also in bailout mode 2021-09-07 11:35:38 +02:00
Nikolaj Bjorner
93415740b6 left over bugs #5532 
disabling complete const rewriting (temporarily) as it can loop
 2021-09-07 07:00:41 +02:00
Nikolaj Bjorner
be4df46f6f #5532 remove unsound rewrite rule that was recently added 2021-09-07 06:42:24 +02:00
Nikolaj Bjorner
72f6271d82 #5532 
bugs in:
- rewriting of 0-ary expressions was incomplete
- sharing annotations when a node has two theories attached it is shared
- sharing of const of an array

Remove unreadable part of pretty printer for lp solver.
 2021-09-06 19:14:03 +02:00
Jakob Rath
15c094fa32 Add fallback lemma 2021-09-06 18:00:21 +02:00
Jakob Rath
381d13993c Add TODO notes from discussion 2021-09-06 16:45:20 +02:00
Jakob Rath
ec1e6725de Merge resolve_bailout into resolve_conflict 2021-09-06 16:44:47 +02:00
Jakob Rath
39d42913cf bailout 2021-09-06 15:16:13 +02:00
Jakob Rath
56b33b1b3e resolve_bailout etc. 2021-09-06 14:08:07 +02:00