Nikolaj Bjorner
6321dabe93
fix #2869 fix #2878
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-23 10:59:33 -06:00
Nikolaj Bjorner
ec39d84f57
remove empty clause feature
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 20:19:59 -08:00
Nikolaj Bjorner
4b22ff2d3b
empty clause handling
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:45:40 -08:00
Nikolaj Bjorner
04df77e89d
revert empty clause handling
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-10 02:40:38 -08:00
Nikolaj Bjorner
5cecd986e2
track empty clause during pop
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-03 20:34:56 +01:00
Nikolaj Bjorner
37a4dd68d0
fix #2773 fix #2774
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-02 15:22:03 -08:00
Nikolaj Bjorner
1eab774b91
fix #2774
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-02 15:22:03 -08:00
Nikolaj Bjorner
a257ec0cc1
build warnings #2748
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-25 09:53:00 -08:00
Nikolaj Bjorner
e2b6b12215
initialize relvancy level in constructor
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-15 11:07:08 -08:00
Nikolaj Bjorner
0a8b924481
remove print
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-06 18:24:22 +01:00
Nikolaj Bjorner
23029daf5e
investigating relevancy
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-11-05 17:16:30 +01:00
Nikolaj Bjorner
ca7d066c4e
fix #2624
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-10-01 13:14:12 -07:00
Nikolaj Bjorner
0481adb87c
fix #2547
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-09-10 06:38:27 +02:00
Nikolaj Bjorner
271cd2ac6b
disable expensive model validation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-26 07:26:12 -03:00
Nikolaj Bjorner
0d9cd7bc2b
addressing misc. string bugs
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-08-24 15:40:15 +01:00
Nikolaj Bjorner
a337a51374
fixes for #2513
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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
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-23 16:48:42 -07:00
Nikolaj Bjorner
cbe52e298b
remove tracing, fix doctext
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-05-30 15:49:19 -07:00
Nikolaj Bjorner
d2dcb39c11
add smt lookahead
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-04-03 17:08:10 -07:00
Nikolaj Bjorner
6360798a53
local
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-04-02 17:40:38 -07:00
Nikolaj Bjorner
e4eca577f6
fix po model
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-03-28 07:04:22 -07:00
Nikolaj Bjorner
175008a6c6
adding po evaluator
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-29 14:45:51 -08:00
Nikolaj Bjorner
4f988595c7
fix #2107
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-27 19:45:19 -08:00
Nikolaj Bjorner
1297eeb817
fix #2104
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-11-01 09:55:27 -05:00
Nikolaj Bjorner
2a6fa4af39
deal with compiler warnings
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-10-31 16:30:42 -05:00