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1432 commits 23 branches 48 tags 157 MiB
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18 commits

Author SHA1 Message Date
Nikolaj Bjorner 1878d64b02 working on weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-28 21:32:41 -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
Nikolaj Bjorner d78d22deb6 working on weighted max smt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-28 17:13:23 -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 3dd72f8f16 more updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-19 17:43:59 -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 898609a3ef cleanup macro usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-17 20:50:33 -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
Anh-Dung Phan 3da47a280e Complete Fu & Malik MAXSAT implementation 
Mistakes:
(1) ast_manager shouldn't be replicated.
(2) assumptions should be used to compare with unsat cores
 2013-10-16 17:55:53 -07:00
Nikolaj Bjorner 8ae0b06912 fill in details on max sat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-16 02:07:30 -07:00
Nikolaj Bjorner 45eda6c6ad Fu&Malik v1 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-15 17:03:52 -07:00
Anh-Dung Phan ac97a12bb8 Create callbacks for min_maximize_cmd 
Enable VS_PROJ = true for temporary use
 2013-10-15 11:52:27 -07:00
Nikolaj Bjorner 726f66a77c initial opt commands 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-14 17:08:24 -07:00