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Code Activity
18103 commits 39 branches 52 tags 174 MiB
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59 commits

Author SHA1 Message Date
Nikolaj Bjorner
6f8b3a997e add max forbidden based on constant intervals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-27 20:49:17 -08:00
Nikolaj Bjorner
50cbe2659a extract multiple bounds for upper/lower bound 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 14:52:41 -08:00
Nikolaj Bjorner
9275930f50 fix bug in add-overflow propagation, move to use viable to mind for bounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 13:38:51 -08:00
Nikolaj Bjorner
9fefa0040f added updated bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-23 12:47:17 -08:00
Jakob Rath
59592754d8 minor univariate tweak 2022-12-19 14:07:57 +01:00
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
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
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
Jakob Rath
fdca0cd86f assign_verify: separate lemma production and activation 2022-11-30 15:00:58 +01:00
Jakob Rath
b4b94c954b Try to produce an op_constraint lemma before invoking the fallback solver 2022-11-30 12:13:47 +01:00
Jakob Rath
a3767b177c comment 2022-11-28 18:11:51 +01:00
Jakob Rath
a144a09ede Propagation must be justified by a prefix of Gamma 2022-11-22 13:42:31 +01:00
Jakob Rath
dbe814d568 Add forbidden interval lemma separately 2022-11-17 15:00:16 +01:00
Jakob Rath
f184545aca Debug dlist insertion 
Found because of assertion failure in
test_polysat::test_fixed_point_arith_div_mul_inverse()
 2022-10-05 17:24:28 +02:00
Jakob Rath
b43971bb4a Connect conflict2 2022-09-21 12:14:44 +02:00
Jakob Rath
a416e16566 conflict2 2022-09-19 16:01:45 +02:00
Jakob Rath
9fcea37625 remove constructor 2022-08-22 15:00:35 +02:00
Jakob Rath
a76f977f85 Change univariate fallback solver to one-shot mode for now 2022-08-02 12:42:34 +02:00
Jakob Rath
0fb8c72f50 print more information 2022-06-29 14:26:25 +02:00
Nikolaj Bjorner
da168cad2d track _all_ interval end-points for propagation (in fact only need end-points at unit location, not the others so this can be tuned 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-04-13 12:22:43 +02:00
Jakob Rath
be488f75ab Add some fi info 2022-04-13 09:34:59 +02:00
Nikolaj Bjorner
a623865a82 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-04-06 05:44:31 +02:00
Jakob Rath
fd353bff17 unsat core 2022-03-18 15:49:44 +01:00
Jakob Rath
509a007ed7 Integrate univariate solver in polysat 2022-03-18 15:43:06 +01:00
Jakob Rath
c648b57493 forbidden intervals only used by viable 2022-03-10 16:12:13 +01:00
Jakob Rath
afc711d6ec move into separate component 2022-03-10 16:10:56 +01:00
Jakob Rath
6aee62ef2f Univariate solver interface 2022-03-10 11:01:57 +01:00
Nikolaj Bjorner
8c9835bca6 smul no overflow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-02-16 18:55:07 +02:00
Nikolaj Bjorner
0677eb1c05 fixing up missing dependencies during resolution 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-27 16:58:16 -08:00
Jakob Rath
fa75a9109e Test forbidden intervals, disequal case 2022-01-19 19:06:35 +01:00
Jakob Rath
28864e563c First version of refine_disequal_lin 2021-12-23 18:36:27 +01:00
Nikolaj Bjorner
8c2735e68b prepare for diseq_lin viable 2021-12-13 12:00:19 -08:00
Nikolaj Bjorner
c7da31a67d na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-13 10:24:42 -08:00
Nikolaj Bjorner
a81a00a93c add support for non-unit coefficients 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-30 09:53:09 -08:00
Nikolaj Bjorner
a4e29ecd7e interval 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-25 18:46:43 +01:00
Nikolaj Bjorner
8db711bc3c retire deprecated functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-22 18:14:15 +01:00
Nikolaj Bjorner
caaefef847 remove add_non_viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-18 15:57:55 -08:00
Nikolaj Bjorner
d073583d88 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-13 06:50:11 -08:00
Nikolaj Bjorner
c9f5ce43b2 viable 2 with dlist 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-10 14:43:10 -08:00
Nikolaj Bjorner
0bec8520e1 adding new viable using forbidden intervals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-10 08:23:45 -08:00
Nikolaj Bjorner
931e1624b2 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-10 02:58:35 -08:00
Nikolaj Bjorner
611c28fc47 push outline of using cjust for overflow premise 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-09 09:56:00 +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
c053c7f1c8 virtual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 13:30:15 -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
788de7d614 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-07-02 02:48:45 -07:00