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248 commits

Author SHA1 Message Date
Nikolaj Bjorner
6321dabe93 fix #2869 fix #2878
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-23 10:59:33 -06:00
Nikolaj Bjorner
ec39d84f57 remove empty clause feature
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 20:19:59 -08:00
Nikolaj Bjorner
4b22ff2d3b empty clause handling
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:45:40 -08:00
Nikolaj Bjorner
04df77e89d revert empty clause handling
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:40:38 -08:00
Nikolaj Bjorner
5cecd986e2 track empty clause during pop
If a theory solver creates the empty clause it gets dropped during pop.
By maintaining a variable m_empty_clause, the solver ensures that it retains the information that the search state is inconsistent.
2019-12-09 11:10:37 +03:00
Nikolaj Bjorner
7e415c1b69 update to logging 2019-12-04 23:08:41 +03:00
Nikolaj Bjorner
2f6a9ba39b na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-03 20:34:56 +01:00
Nikolaj Bjorner
37a4dd68d0 fix #2773 fix #2774
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-02 15:22:03 -08:00
Nikolaj Bjorner
1eab774b91 fix #2774
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-02 15:22:03 -08:00
Nikolaj Bjorner
a257ec0cc1 build warnings #2748
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-28 15:36:54 -08:00
Nikolaj Bjorner
055cf6c7b9 relevancy level is queried during smt_setup, so it has to update the local parameter that tracks the min
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-25 09:53:00 -08:00
Nikolaj Bjorner
e2b6b12215 initialize relvancy level in constructor
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-23 17:26:59 -08:00
Nikolaj Bjorner
5dfe4a4b48 ensure relevancy isn't increased between calls
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-23 15:42:44 -08:00
Nikolaj Bjorner
cb600a9329 consolidate model.compact and model_compress #2704
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-15 11:07:08 -08:00
Nikolaj Bjorner
0a8b924481 remove print
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-07 10:17:35 +01:00
Nikolaj Bjorner
1e0c1cefd6 add definitions for under-specified cases of arithmetic operators #2663 #2676 #2679
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-06 18:24:22 +01:00
Nikolaj Bjorner
23029daf5e investigating relevancy
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-05 17:16:30 +01:00
Nikolaj Bjorner
ca7d066c4e fix #2624
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-10 19:20:02 -07:00
Nikolaj Bjorner
fd1974845b fix assert-and-track semantics for smt2 logging
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-09 21:16:41 -07:00
Nikolaj Bjorner
88f0e4a64c fix #2592 #2593 #2597 #2573 - duplicates, also fix #2603
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-01 13:14:12 -07:00
Nikolaj Bjorner
0481adb87c fix #2547
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-10 06:38:27 +02:00
Nikolaj Bjorner
271cd2ac6b disable expensive model validation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-26 07:26:12 -03:00
Nikolaj Bjorner
0d9cd7bc2b addressing misc. string bugs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-24 15:40:15 +01:00
Nikolaj Bjorner
a337a51374 fixes for #2513
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-23 23:29:24 +03:00
Nikolaj Bjorner
520ea65f32 move towards theory phase selection, implement getitem on lambda
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-14 15:44:33 -07:00
Nikolaj Bjorner
9fa9aa09ff fix #2468, adding assignment phase heuristic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-10 15:25:05 -07:00
Nikolaj Bjorner
db87f2aab0 separate rewriter used by smt context from asserted formulas to avoid term substitution, exposed by #2370
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-07-02 15:28:21 +07:00
Nikolaj Bjorner
db274ebe01 relax condition for distributing extract over ite #2359
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-23 16:48:42 -07:00
Nikolaj Bjorner
cbe52e298b remove tracing, fix doctext
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-21 15:08:26 +02:00
Nikolaj Bjorner
48fc3d752e add clause proof module, small improvements to bapa
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-05-30 15:49:19 -07:00
Nikolaj Bjorner
d2dcb39c11 add smt lookahead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-05-17 20:24:29 +03:00
Nikolaj Bjorner
9e62a7834d Merge branch 'master' of https://github.com/z3prover/z3 2019-04-05 03:06:58 -07:00
Nikolaj Bjorner
56ac3f86a5 fix justification for implied equalities in special relations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-04-03 17:08:10 -07:00
Nikolaj Bjorner
6360798a53 local
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-04-02 17:40:38 -07:00
Nikolaj Bjorner
e4eca577f6 fix po model
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-28 07:04:22 -07:00
Nikolaj Bjorner
175008a6c6 adding po evaluator
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-28 07:04:22 -07:00
Nikolaj Bjorner
5478955199 disable cancelation during propagation at base level
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-26 16:19:50 -07:00
Nikolaj Bjorner
604c9d38dc don't overwrite last search failure, #2198
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-23 12:54:18 -07:00
nilsbecker
ec76efedbe synchronizing with main repository 2019-02-22 00:19:43 +01:00
Nuno Lopes
2f33bafd5a stopwatches: fix a few places that would call start/stop multiple times 2019-02-21 14:59:31 +00:00
Nikolaj Bjorner
8d20310758 adding trail/levels
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-29 14:45:51 -08:00
Nikolaj Bjorner
4f988595c7 fix #2107
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-27 19:45:19 -08:00
Nikolaj Bjorner
1297eeb817 fix #2104
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-26 11:55:32 -08:00
Nikolaj Bjorner
947fe2ff9c fix datatype occurs check bug reported by Gerhard Schellhorn
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-17 16:35:07 -08:00
Nikolaj Bjorner
442e47dfce fix datatype occurs check bug reported by Gerhard Schellhorn
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-17 16:34:26 -08:00
nilsbecker
279413412d preventing operations during MBQI search from being logged 2019-01-15 01:09:44 +01:00
Bruce Mitchener
44bc00f13d Fix typos. 2018-12-23 21:58:57 -05:00
nilsbecker
1e4f524a22 Merge branch 'master' of https://github.com/Z3Prover/z3 2018-11-25 16:58:09 +01:00
Nikolaj Bjorner
d9e77ba443 fix model extraction for 0-ary recursive function declarations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-11-01 09:55:27 -05:00
Nikolaj Bjorner
2a6fa4af39 deal with compiler warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-10-31 16:30:42 -05:00