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18888 commits 23 branches 48 tags 157 MiB
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320 commits

Author SHA1 Message Date
Nikolaj Bjorner 6e1c186017 enable answer generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 20:55:01 -08:00
Nikolaj Bjorner 9f53a4aa18 working on supporting multiple max-sat objectives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 16:54:34 -08:00
Nikolaj Bjorner f350efffc7 working on pareto and upper/lower bound facilities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 13:52:27 -08:00
Nikolaj Bjorner 6caee5e3ca more refactoring 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 13:16:10 -08:00
Nikolaj Bjorner 33be06c6dc continued re-factoring 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 09:00:24 -08:00
Nikolaj Bjorner 401fced400 separate out file for objectives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-07 18:09:44 -08:00
Nikolaj Bjorner acb26d0cf9 review of network flow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-04 16:00:50 -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
Nikolaj Bjorner 86151b4d52 dealing with cancel 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:38:47 -07:00
Nikolaj Bjorner 9fc84f1389 adding timeout, parameters, statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:23:04 -07:00
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 d30f183476 working on weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-28 21:30:57 -07:00
Anh-Dung Phan 6919f335a1 Sketch a skeleton of Difference Logic optimizer 2013-10-22 16:28:03 -07:00
Nikolaj Bjorner 36d7948399 fixing optimizer for multi-objectives and epsilon 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-22 10:36:13 +08:00
Anh-Dung Phan 3441fc2942 A few changes based on previous reviews 
Tested the optimization procedure with:
- unbounded objectives
- bounded with rational solutions
- bounded with irrational solutions
 2013-10-21 17:25:34 -07:00
Nikolaj Bjorner 3996f58a8e tidy & todo notes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-19 12:22:56 -07:00
Phan Anh Dung 53f78f7d19 Replace the use of optional<rational> by inf_eps_rational<rational> 
Also handle composite objectives correctly.
 2013-10-19 06:03:21 +02:00
Anh-Dung Phan a44044fb15 A rudimentary version of MathSAT optimization 
Remarks:
(1) The core procedure accepts maximization only
(2) Add lazy initialization to min_maximize_cmd
(3) The procedure isn't working with composite objective yet.
 2013-10-18 18:00:24 -07:00
Nikolaj Bjorner cfedbe3dfd add opt_solver layer 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-17 17:33:43 -07:00
Anh-Dung Phan f4e2b23238 Create placeholders to optimization methods 2013-10-16 17:56:35 -07:00