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477 commits

Author SHA1 Message Date
Nikolaj Bjorner
ce592d7716 add facility to add lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-12 19:44:02 -07:00
Nikolaj Bjorner
af6ebbcd92 init search before returning
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-11 13:08:05 -07:00
Nikolaj Bjorner
f3b0ede6e8 update lookahead to include extensions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-07 16:35:35 -07:00
Nikolaj Bjorner
c33dce1161 extract lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-04 14:12:55 -07:00
Nikolaj Bjorner
e37a6dd809 add tracking for reason unknown
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-01 17:04:37 -07:00
Nikolaj Bjorner
55ba1e9178 Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2017-06-01 14:50:37 -07:00
Nikolaj Bjorner
4e65c13726 adding lookahead and lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-01 14:49:54 -07:00
Nikolaj Bjorner
e0a86ccc1a add lrb/chb and experiment with them
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-28 10:48:31 -07:00
Nikolaj Bjorner
db4bbecb27 Merge branch 'opt' of https://github.com/NikolajBjorner/z3 into opt 2017-05-23 10:52:27 -07:00
Nikolaj Bjorner
f9f0b2221d bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-22 14:27:34 -07:00
Nikolaj Bjorner
1507ab5d4b merge
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-15 09:34:41 -07:00
Nikolaj Bjorner
f253b20820 local changes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-15 09:34:11 -07:00
Nikolaj Bjorner
2033e649b5 fix bugs related to use of lookahead equivalences and encoding of pb constraints
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-15 09:33:27 -07:00
Nikolaj Bjorner
b915f78281 merge with master
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-07 17:05:57 -07:00
Nikolaj Bjorner
21cda27f5e fix quadratic behavior of extract_assumptions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-02 15:57:31 -07:00
Nikolaj Bjorner
ed0b2be618 fix bug in tracking levels of variables: levels are not cleared, only truth assignment
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-02 14:10:07 -07:00
Nikolaj Bjorner
f9105edb14 revert to native chunker
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-01 15:22:52 -07:00
Nikolaj Bjorner
d14f2af5ae deal with subtraction that manages to sneak in. Issue #996
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-01 15:22:06 -07:00
Nikolaj Bjorner
d6e2e1f28f Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-30 11:28:26 -07:00
Nikolaj Bjorner
aff02ca905 include 'stopwatch.h' to avoid ODR warnings, #994 2017-04-30 11:28:11 -07:00
Nikolaj Bjorner
5fcbf55216 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-30 10:23:05 -07:00
Nikolaj Bjorner
2c208e1d10 Sat update
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-30 10:23:00 -07:00
Nikolaj Bjorner
fa868e058e fix bound bug #991
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-29 17:39:02 -07:00
Nikolaj Bjorner
8205b45839 initial integration of opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-27 19:13:00 -07:00
Nikolaj Bjorner
8032217fd1 tuning and fixing consequence finding, adding dimacs evaluation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-26 13:53:37 -07:00
Nikolaj Bjorner
dedc130e98 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-25 10:30:16 -07:00
Nikolaj Bjorner
34acaa8f56 update license for space/quotes per #982
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-24 13:34:10 -07:00
Nikolaj Bjorner
d052155f6e parallelizing ccc
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-23 14:46:46 -07:00
Nikolaj Bjorner
86a54dfec8 debugging ccc
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-21 08:18:25 -07:00
Nikolaj Bjorner
e65f106a83 ccc
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-19 08:59:49 -07:00
Nikolaj Bjorner
a3f4d58b00 use lookahead for simplification
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-18 16:58:56 -07:00
Nikolaj Bjorner
352f8b6cb9 fixing local search
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-17 13:04:57 -07:00
Nikolaj Bjorner
ec29a03c8f add facility to dispense with cancellation (not activated at this point). Address #961 by expanding recurisve function definitions that are not tautologies if the current model does not validate
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-07 21:22:38 -07:00
Nikolaj Bjorner
2afd45b3c2 working on lookahead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-27 04:53:27 +02:00
Christoph M. Wintersteiger
0399e5e2d3 Fixed variable initialization warning 2017-03-24 14:49:24 +00:00
Nikolaj Bjorner
e47e8c67c0 introducing scoped detacth/attach of clauses to enforce basic sat solver invariants. Part of investigating #939:
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-22 14:12:47 -07:00
Nikolaj Bjorner
ac59e7b6d3 enable multiple local search threads
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-06 11:48:23 -08:00
Nikolaj Bjorner
cd4a2701db adding ability to ahve multiple local search threads
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-06 10:48:58 -08:00
Nikolaj Bjorner
fda5809c89 local search updates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-05 14:40:58 -08:00
Nikolaj Bjorner
c6f943e4d6 updates to local search integration
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-02 11:23:06 -08:00
Nikolaj Bjorner
40df1949f5 tweaking local search
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-02 10:18:12 -08:00
Nikolaj Bjorner
2c7a978c16 debugging local
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-01 20:37:07 -08:00
Nikolaj Bjorner
59baaea219 integrating local search, supporting top-level inequalities
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-01 19:49:59 -08:00
Nikolaj Bjorner
fb4f6d654a add local search parameters and co-processor mode
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-27 23:35:50 -08:00
Nikolaj Bjorner
31c68b6e23 updates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-27 23:19:58 -08:00
Nikolaj Bjorner
88e7c240b7 working on lookahead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-27 10:59:59 -08:00
Nikolaj Bjorner
2885ca7714 tune cardinalities
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-19 11:35:31 -08:00
Nikolaj Bjorner
42deeb3498 testing lookahead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-12 11:49:07 -08:00
Nikolaj Bjorner
690689424d fix parallel solving bugs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-11 15:35:13 -05:00
Nikolaj Bjorner
8b4f3ac6f0 fix drat checker
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-10 18:04:54 -05:00