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286 commits

Author SHA1 Message Date
Nikolaj Bjorner b596828d23 add DDNF based engine
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-21 18:04:46 -07:00
Nikolaj Bjorner a47f3df703 fix bug in unsat core extraction in sat solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-18 23:43:51 -07:00
Nikolaj Bjorner 1c56d6ee95 align lengths of weights and soft constraints
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-18 01:17:26 -07:00
Nikolaj Bjorner f748a03ac7 opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-16 22:31:54 -07:00
Nikolaj Bjorner 33f74b9c9f sls
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-15 22:49:21 -07:00
Nikolaj Bjorner ddb9e6e8d4 fix flipper
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-15 18:30:06 -07:00
Nikolaj Bjorner be1cceba34 fix scope and mus with user-scopes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-15 11:29:08 -07:00
Nikolaj Bjorner ee1a1b1135 refactor sat/sls interface. Remove wpm2 and bvsls dependencies
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-15 10:40:44 -07:00
Nikolaj Bjorner 180b0d4ec9 add sls
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-12 19:24:31 -07:00
Nikolaj Bjorner 1652c16163 add missing code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-10 22:13:55 -07:00
Nikolaj Bjorner 39d90f914d NA
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-10 21:27:07 -07:00
Nikolaj Bjorner e832bdd257 fix bug in blocked clause elimination that was enabled for external variables, fix other bugs in maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-10 21:23:05 -07:00
Nikolaj Bjorner 317e76a11b mss and mss-mus-maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-03 20:23:10 -07:00
Nikolaj Bjorner d429e72e92 v2 of dual maxres engine
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-03 18:50:21 -07:00
Nikolaj Bjorner 622d8b5cd1 moving to maxres consolidation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-03 00:18:09 -07:00
Nikolaj Bjorner 6a4c08c7cb moving to maxres consolidation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-03 00:17:55 -07:00
Nikolaj Bjorner a41b1d34ce moving dual solver to maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-03 00:08:57 -07:00
Nikolaj Bjorner 5e026b7897 mss and maxres tuning
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-02 23:34:43 -07:00
Nikolaj Bjorner 9681dc12b1 tuning auxiliary literals and clauses
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-02 14:25:04 -07:00
Nikolaj Bjorner 8814ba0629 testing maxres with sat core
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-02 12:27:57 -07:00
Nikolaj Bjorner b928734348 perf improvements, mus
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-01 16:11:52 -07:00
Nikolaj Bjorner 6438c477b3 working on maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-31 23:35:41 -07:00
Nikolaj Bjorner 39414d8b8d testing inc_sat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-31 22:29:47 -07:00
Nikolaj Bjorner 365f05b41a testing inc-sat solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-30 17:49:51 -07:00
Nikolaj Bjorner bfc0af7820 testing inc-sat solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-30 16:35:46 -07:00
Nikolaj Bjorner e8056e066d enable bvsat, multi disjoint cores for dual-maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-30 12:57:30 -07:00
Nikolaj Bjorner 3fefed69b7 incremental sat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-30 11:12:15 -07:00
Nikolaj Bjorner 4f0de9a0cf implement user scopes for sat solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-30 09:27:03 -07:00
Nikolaj Bjorner 2b1af8fd50 updated sat solver for cores
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-29 14:38:17 -07:00
Nikolaj Bjorner 4ab27eff78 refactor weighted-maxsat into separate files
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-28 08:31:57 -07:00
Nikolaj Bjorner 9f1b2ccfc4 restructure maxsmt solvers, flatten weighted/non-weighted versions, fix bugs and simplify mus/max-res
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-23 23:53:03 +02:00
Nikolaj Bjorner 5e9bf2ef53 maxres revised to handle weighted constraints
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-22 15:42:08 +02:00
Nikolaj Bjorner bf35a62da7 adding mus extraction
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-21 23:28:19 +02:00
Nikolaj Bjorner 582dbe509c first implementation of maxres
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-21 22:24:34 +02:00
Nikolaj Bjorner 53f82e3239 update model during Lex
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-07-06 17:33:54 +02:00
Nikolaj Bjorner 519c9dba25 update hitting set implementation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-23 11:28:38 -07:00
Nikolaj Bjorner 04407938be custom HS solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-18 17:31:00 -07:00
Nikolaj Bjorner d7d85aa18a working on HS
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-17 22:32:32 -07:00
Nikolaj Bjorner 84d971b69a working on HS
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-17 17:05:05 -07:00
Nikolaj Bjorner b64b12cae3 working on HS
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-17 12:54:50 -07:00
Nikolaj Bjorner bad03822b4 working on HS
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-16 16:55:48 -07:00
Nikolaj Bjorner 63550d8a1a bug fixes in hsmax
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-15 05:44:03 -07:00
Nikolaj Bjorner ef62a52fff cleanup
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-14 18:45:16 -07:00
Nikolaj Bjorner 7fbe7124f9 bugfixes to hsmax
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-14 17:29:53 -07:00
Nikolaj Bjorner 5427964c54 use approximate hitting set implementation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-14 14:08:55 -07:00
Nikolaj Bjorner 960e8ea1d5 working on hitting sets
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-08 14:12:54 +01:00
Nikolaj Bjorner 4415df3fcf various fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-06-02 19:10:20 +05:30
Nikolaj Bjorner 57fc0f3f55 bug fixes to min-max, and experiments with hsmax
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-05-28 15:44:39 -07:00
Nikolaj Bjorner 2071029bb3 hsmax
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-05-27 15:45:33 -07:00
Nikolaj Bjorner e370fbb7ed updated maxhs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-05-27 11:38:43 -07:00