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18163 commits 23 branches 48 tags 157 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
28fb67219e fix new (and unused) function for extracting min parity of a polynomial 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-08 07:13:31 -08:00
Nikolaj Bjorner
acbd60799d add placeholder for factor equality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:12:19 -08:00
Nikolaj Bjorner
437f826e8b sketch parity generalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:04:58 -08:00
Jakob Rath
55d691e16e enable 2022-12-07 18:45:00 +01:00
Jakob Rath
45e94ae7dd insert_eval 2022-12-07 18:41:42 +01:00
Clemens Eisenhofer
592791ba34 continue instead of return 2022-12-07 16:55:30 +01:00
Clemens Eisenhofer
c088eb4a26 Readded variable evaluation as fallback for variable elimination 2022-12-07 16:54:39 +01:00
Clemens Eisenhofer
47cb83f578 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-12-07 16:35:42 +01:00
Jakob Rath
93ee9c7f8e compile 2022-12-07 16:16:07 +01:00
Jakob Rath
a4adb63662 unit test updates 2022-12-07 16:15:28 +01:00
Jakob Rath
71acba20e2 Assertion was too strong (via test_ineq1) 2022-12-07 16:13:24 +01:00
Jakob Rath
05a1f4d096 Skip try_parity for x==y and y==x 2022-12-07 16:09:10 +01:00
Jakob Rath
85715eb164 Update use of insert_eval and lemma scores to support propagation 2022-12-07 16:08:24 +01:00
Jakob Rath
fca4f18194 p 2022-12-07 12:47:30 +01:00
Nikolaj Bjorner
754cb540d0 disable new code paths for commit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 02:23:43 -08:00
Nikolaj Bjorner
fdba85e39f trigger also parity constraints in linear case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 05:18:50 -08:00
Nikolaj Bjorner
ef811a3dd8 add propagation rule for strict inequality to force univariate polynomials 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 04:56:42 -08:00
Nikolaj Bjorner
317edb2b03 add parity propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 10:22:18 -08:00
Nikolaj Bjorner
f2c228f160 update function that propagates bounds on x*y = 0 to be more comprehensive 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 01:19:26 -08:00
Nikolaj Bjorner
1d440ac871 try adding unit propagation / distinguish these in saturation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-04 14:22:34 -08:00
Nikolaj Bjorner
066b7d2d71 add review comments based on debugging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-04 03:49:17 -08:00
Nikolaj Bjorner
db18c7206a debugging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 17:09:36 -08:00
Nikolaj Bjorner
0a5b03194c retire omega and use overflow detection including literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 16:54:07 -08:00
Nikolaj Bjorner
5b8dcfb801 wip - adding saturation/propagations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 15:38:01 -08:00
Nikolaj Bjorner
0288704a59 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 09:07:24 -08:00
Nikolaj Bjorner
0657cdd4a7 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 08:38:26 -08:00
Nikolaj Bjorner
c848192962 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 08:29:13 -08:00
Nikolaj Bjorner
9572623675 remove comment about bug in forbidden_intervals, it is correct there, but maybe a bug in viable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 08:02:02 -08:00
Nikolaj Bjorner
eda3cac8d4 chasing interval bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 07:49:17 -08:00
Nikolaj Bjorner
ff22b433cc experiment 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 06:32:34 -08:00
Nikolaj Bjorner
68d9b44d67 add activate for & 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 05:55:14 -08:00
Nikolaj Bjorner
05e425e039 add todo marker for missing inference 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-02 20:47:22 -08:00
Nikolaj Bjorner
215a4e9bad review and fix soundness bug in band rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-02 19:04:23 -08:00
Jakob Rath
2704626a5d test 2022-12-01 16:16:22 +01:00
Jakob Rath
91c6582bf7 pwatch 2022-12-01 15:50:03 +01:00
Jakob Rath
57edd12e36 quot_rem note 2022-12-01 14:11:37 +01:00
Jakob Rath
bcde2844b2 misc 2022-12-01 10:05:14 +01:00
Jakob Rath
aee07d0496 less visual noise when running unit tests 2022-12-01 09:44:56 +01:00
Jakob Rath
fb1178dea3 Additional band lemmas (solves bench11) 2022-11-30 17:05:13 +01:00
Jakob Rath
086194480e test_band5 notes 2022-11-30 16:35:51 +01:00
Jakob Rath
ea9e5a47c7 -1 2022-11-30 15:24:35 +01:00
Jakob Rath
a8ecfd1313 unit test filter 2022-11-30 15:15:26 +01:00
Jakob Rath
7712068034 Remove old code 
backjump_and_learn, learn_lemma
 2022-11-30 15:14:25 +01:00
Jakob Rath
fdca0cd86f assign_verify: separate lemma production and activation 2022-11-30 15:00:58 +01:00
Jakob Rath
e338d42cff Allow creation of op_constraint lemmas without adding them 2022-11-30 14:57:14 +01:00
Jakob Rath
5069796755 Create clauses without adding them 2022-11-30 14:51:43 +01:00
Jakob Rath
29180e7d0b clause_builder::set_redundant 2022-11-30 14:50:53 +01:00
Jakob Rath
9b10733ebd assignment helpers 2022-11-30 14:50:14 +01:00
Jakob Rath
54a21e764d Remove old code 
backjump_lemma, revert_decision, revert_bool_decision
 2022-11-30 12:21:39 +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