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18822 commits 23 branches 48 tags 157 MiB
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Author SHA1 Message Date
Jakob Rath
06e6f27614 refactor 2022-12-16 14:22:50 +01:00
Jakob Rath
9f05f645c1 update types and docs 2022-12-16 13:16:55 +01:00
Jakob Rath
c54c564019 convert to loop 2022-12-16 13:11:20 +01:00
Jakob Rath
e23774a746 reorder definitions 2022-12-16 13:06:16 +01:00
Jakob Rath
afde0e993c Add bitblasting fallback to viable::query 
(integration between conflict/viable is still messy)
 2022-12-16 13:02:54 +01:00
Jakob Rath
44cb528300 Extract usolver 2022-12-16 10:46:57 +01:00
Jakob Rath
5d7833e65e Warn on unused result (mainly for substitution::add) 2022-12-16 10:28:57 +01:00
Clemens Eisenhofer
d5bc4b84a7 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-12-16 10:14:10 +01:00
Clemens Eisenhofer
71211f3134 Some bugfixes and unit-tests for variable elimination 2022-12-16 10:12:34 +01:00
Nikolaj Bjorner
e423fabf6a tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-15 20:35:36 -08:00
Nikolaj Bjorner
0768a2ead1 updated doc 2022-12-15 19:23:32 -08:00
Nikolaj Bjorner
ecf25a4fe2 outline scheme 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-15 14:57:52 -08:00
Nikolaj Bjorner
13920c4772 more doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-15 11:42:02 -08:00
Jakob Rath
8a5f1af3d1 univariate::find_max 2022-12-15 15:59:15 +01:00
Jakob Rath
31e0add966 univariate::find_min 2022-12-15 15:51:29 +01:00
Jakob Rath
37536425f4 Encode 2^k*x as (bvshl x k) in the fallback solver 2022-12-15 14:03:42 +01:00
Jakob Rath
06a999e219 skip diseq when not using polysat 2022-12-15 13:46:10 +01:00
Jakob Rath
a6504785b5 print bitblasted constraints 2022-12-15 13:43:23 +01:00
Jakob Rath
5de0007157 very basic refinement loop breaking 2022-12-15 13:39:48 +01:00
Jakob Rath
3d06a90e7f track refinement source 2022-12-15 13:08:13 +01:00
Nikolaj Bjorner
d5316e017e add tactic descriptions 2022-12-14 20:38:28 -08:00
Nikolaj Bjorner
f01d9d29d2 Merge branch 'master' of https://github.com/z3prover/z3 2022-12-14 16:46:25 -08:00
Nikolaj Bjorner
aed3d76a88 add doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-14 16:45:58 -08:00
Nikolaj Bjorner
d47dd159d7 set encoding into gparams because this is the only entry point in zstring #6490 2022-12-14 09:43:29 -08:00
Nikolaj Bjorner
c4b2acac24 add missing error checking #6492 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-14 09:27:43 -08:00
Jakob Rath
e978e4fc8e Strengthen umul_ovfl lemma 2022-12-14 11:07:16 +01:00
Clemens Eisenhofer
dc95179ae5 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-12-14 10:39:15 +01:00
Nikolaj Bjorner
dbb4bbe7dc remove debug out 2022-12-13 19:36:55 -08:00
Nikolaj Bjorner
9054e72920 fix #6467 2022-12-13 19:35:20 -08:00
Nikolaj Bjorner
cd3d38caf7 sort out terminology/add explanations, add shortcut to C++, fix #6491 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-13 16:17:38 -08:00
Nikolaj Bjorner
2d7a38e95e fix #6488 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-13 16:07:41 -08:00
Jakob Rath
1bc4313333 Fix unsoundness in previous commit 2022-12-13 15:27:07 +01:00
Jakob Rath
7e7cea54f4 Intervals from equality constraints: remove superfluous side constraints 2022-12-13 15:02:45 +01:00
Jakob Rath
434e794790 test 2022-12-13 12:00:38 +01:00
Jakob Rath
519ebd8a8b log and note 2022-12-13 11:49:54 +01:00
Jakob Rath
a3c7a869cd bool_watch_invariant 2022-12-13 11:47:21 +01:00
Jakob Rath
6f1e4283bb Merge forbidden intervals for positive and negative equations 2022-12-13 11:42:52 +01:00
Nikolaj Bjorner
6c7f556496 activate non-overflow bounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 20:11:01 -08:00
Nikolaj Bjorner
a5f12e9d57 add parity constraint for disequality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 19:40:19 -08:00
Nikolaj Bjorner
7afcaa5364 update doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 18:56:21 -08:00
Nikolaj Bjorner
e648e68d36 add doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 17:29:58 -08:00
Duncan Ogilvie
e82c8e78ae
Fix a compilation error with clang-cl (VS2022) (#6489) 2022-12-12 22:12:31 +00:00
Nikolaj Bjorner
aded8e5bf4 fix #6488 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 11:40:59 -08:00
Nikolaj Bjorner
4598af70c8 fix #6488 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-12 11:04:46 -08:00
Nikolaj Bjorner
a3e6885680 fix #6488 2022-12-12 09:50:44 -08:00
Jakob Rath
479e0e58ea Better intervals for equations 2022-12-12 18:18:24 +01:00
Jakob Rath
4a2379c23d Add unit test for refinement loop in bench6 2022-12-12 17:48:23 +01:00
Jakob Rath
eda6534453 more readable intervals 2022-12-12 16:41:18 +01:00
Jakob Rath
9f1f949d9d tests 2022-12-12 14:51:18 +01:00
Jakob Rath
917e1b6a4c When adding clauses, prioritize bool-propagation over evaluation 
See test_band1 and clause:  v2 == v0 & v1  -->  v2 <= 0
 2022-12-12 14:48:13 +01:00