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Code Activity
17951 commits 49 branches 53 tags 182 MiB
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748 commits

Author SHA1 Message Date
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
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
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
fb1178dea3 Additional band lemmas (solves bench11) 2022-11-30 17:05:13 +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
Jakob Rath
032e7e0337 Remove not_op 2022-11-30 11:47:00 +01:00
Jakob Rath
7febcd47ec Forgot univariate shl 2022-11-30 11:38:16 +01:00
Jakob Rath
4026ac9427 For r = p & q: "p = 0 => r = 0" is subsumed by "r <= p" 2022-11-30 11:35:36 +01:00
Jakob Rath
e6eea83b67 Missed some univariate constraints 2022-11-29 15:51:34 +01:00
Clemens Eisenhofer
2b7fd152c4 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-11-29 14:54:49 +01:00
Jakob Rath
630276dbad Re-enable saturation 2022-11-29 10:00:25 +01:00
Jakob Rath
4aa04fa475 Lemma names 2022-11-28 19:13:38 +01:00
Jakob Rath
0c44391b9e Don't call assign_eh for internal constraints 2022-11-28 18:43:19 +01:00
Jakob Rath
c1f9a26f09 disable assertion for now 2022-11-28 18:15:24 +01:00
Jakob Rath
a3767b177c comment 2022-11-28 18:11:51 +01:00
Jakob Rath
3d79cddf33 Update saturation inferences 2022-11-28 18:02:18 +01:00
Jakob Rath
7468b2326c inequality 2022-11-28 18:00:17 +01:00
Jakob Rath
77b4303b66 Don't jump over base level 2022-11-28 16:14:06 +01:00
Jakob Rath
1b1e310919 fix release build 2022-11-24 14:02:47 +01:00
Jakob Rath
5c63a67634 disable for now 2022-11-23 16:59:26 +01:00
Jakob Rath
558fd718c0 Current base level may be too high to deallocate clause 2022-11-23 16:54:58 +01:00
Jakob Rath
0e32077321 Use insert_eval for potentially new constraints 2022-11-23 16:54:35 +01:00