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29 commits

Author SHA1 Message Date
Nikolaj Bjorner 08cb8b8de8 address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-12-09 16:04:25 +01:00
Nikolaj Bjorner ce18421a7a fix box
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-10-15 14:29:39 -07:00
Nikolaj Bjorner d9c61464d0 make difference logic simplex optimizer incremental
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-07 16:46:46 -07:00
Nikolaj Bjorner e94a1b56ae working on DL opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-05 18:16:42 -08:00
Nikolaj Bjorner 99b4ce037d integrating diff opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-05 16:29:26 -08:00
Nikolaj Bjorner 80ba830091 working on DL opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-05 15:43:15 -08:00
Nikolaj Bjorner fe61492d5d debugging diff logic simple simplex
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-04 21:19:29 -08:00
Nikolaj Bjorner f6fd426c28 moved network flow
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-01-21 08:46:02 -08:00
Nikolaj Bjorner a617eac010 enable bounding for various domains
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-06 19:36:12 -08:00
Nikolaj Bjorner 5fc429c501 debugging network simplex
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-05 16:31:29 -08:00
Anh-Dung Phan cc3d65e544 Add facilities to get optimal assignments 2013-11-24 22:31:52 +01:00
Anh-Dung Phan 37f5628824 Update basic spanning tree to be on par with threaded one 2013-11-22 13:44:12 -08:00
Nikolaj Bjorner c0de1e34ac working on upper bound optimziation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-03 14:54:42 -08:00
Anh-Dung Phan 736d43c084 Block lower bound of difference logic objectives 2013-11-01 08:05:29 +01:00
Anh-Dung Phan a6e103dd36 Make a few variables private 2013-10-30 06:30:51 +01:00
Nikolaj Bjorner bc44bcad10 push blocking code to optimizer context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-29 20:26:54 -07:00
Nikolaj Bjorner 9903c722af adding review notes to code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-26 16:24:21 +08:00
Nikolaj Bjorner 3852b3a753 working on internalizer
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-26 15:03:39 +08:00
Anh-Dung Phan 532c345fd1 Reduce difference logic solver to min cost flow 2013-10-25 17:42:03 -07:00
Anh-Dung Phan ebed5fa037 WIP on min cost flow problem
Remarks:
1. Follow the template structure of diff_logic.h
2. Try to reuse dl_graph<Ext> with some ready-to-use graph algorithms
3. Need to add 'explanation' to 'GExt' in order to instantiate
dl_graph<_>
2013-10-24 17:58:15 -07:00
Phan Anh Dung be81e77c70 Some progress on Network Simplex 2013-10-24 09:50:12 +02:00
Phan Anh Dung 1ff373072d Add objective functions to difference logic solver 2013-10-24 08:57:21 +02:00
Anh-Dung Phan 6919f335a1 Sketch a skeleton of Difference Logic optimizer 2013-10-22 16:28:03 -07:00
Nikolaj Bjorner 7cb9e7381d fix build errors on ubuntu and gcc
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-05-01 02:35:57 -07:00
Nikolaj Bjorner 9158fb17c1 add special procedures for UTVPI and horn arithmetic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-04-28 12:47:55 -07:00
Nikolaj Bjorner e1d5f484f1 simplify result from tactics, remove unused features from difference logic solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-04-23 08:46:46 -07:00
Leonardo de Moura d92efeb0c5 Make ast_manager::get_family_id(symbol const &) side-effect free. The version with side-effects is now called ast_manager::mk_family_id
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-18 17:14:25 -08:00
Leonardo de Moura ffb7e26c75 removed front-end-params
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 10:05:29 -08:00
Leonardo de Moura add684d8e9 checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
Renamed from lib/theory_diff_logic.h (Browse further)