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10137 commits 23 branches 48 tags 157 MiB
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251 commits

Author SHA1 Message Date
Nikolaj Bjorner 04824d86df fixes to model generation of weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-14 09:37:42 +02:00
Nikolaj Bjorner 5225ea18b7 fix lower/upper bound updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-14 09:04:48 +02:00
Nikolaj Bjorner 8c85ee6b7c fixing lex optimization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-13 23:36:42 +01:00
Nikolaj Bjorner df5c2adc4e debug opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-12 15:39:38 -06:00
Nikolaj Bjorner f41d23bc0f debugging model generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-12 12:18:34 -06:00
Nikolaj Bjorner eacb48268c fixing bugs exposed by msf unit tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-11 19:02:36 -06:00
Nikolaj Bjorner 2c577a304d bug fixes to pb; working on model extraction 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-10 15:16:58 -08:00
Nikolaj Bjorner 0f0397b05f hunt bugs exposed by so.smt2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-08 18:58:48 -08:00
Nikolaj Bjorner 97b2fc9ee7 fix bugs exposed by testSolver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-08 18:34:28 -08:00
Nikolaj Bjorner ddb30c51b5 debugging lia2maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-08 12:17:33 -08:00
Nikolaj Bjorner 370a4b66de update lower bounds from feasible solutiosn 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-07 22:09:57 -08:00
Nikolaj Bjorner e307c5fdda fix minimize->maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-07 14:47:47 -08:00
Nikolaj Bjorner da348fe1c0 first pass on normalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-07 14:38:09 -08:00
Nikolaj Bjorner 437a545c3b fix pretty printer 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-06 13:12:35 -08:00
Nikolaj Bjorner 4d6aa1a0f3 add to_string and get_help methods to optimize API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-06 11:34:41 -08:00
Anh-Dung Phan d38e2b9b78 Expose objective indices to .NET API 2013-12-05 17:30:40 -08:00
Nikolaj Bjorner 192ce11ca6 change model binding time 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-05 11:42:04 -08:00
Nikolaj Bjorner 56c4fa8f6d expose models, working on network flow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-04 17:39:54 -08:00
Nikolaj Bjorner e3fe80fd4d add .NET interface and finish C interface for optimization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-03 20:20:24 -08:00
Nikolaj Bjorner 9e2908c3f5 exposing lower/upper 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-03 17:46:52 -08:00
Nikolaj Bjorner 18815e3e53 reorganizing input 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-03 13:36:25 -08:00
Nikolaj Bjorner 51704b7b95 tweaking input processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-03 08:51:46 -08:00
Nikolaj Bjorner 03f5020d0b Nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-02 22:06:15 -08:00
Nikolaj Bjorner 191efbb72f use expression structure for objectives instead of custom s-expression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-02 13:00:51 -08:00
Anh-Dung Phan 5ed8a48ac2 Add push/pop to box optimization 2013-11-26 14:16:59 -08:00
Anh-Dung Phan 4aa9c742ab Revise optimize commands 2013-11-26 12:54:18 -08:00
Anh-Dung Phan dbc791d385 Reorganize combination of objectives 2013-11-26 09:20:11 +01:00
Nikolaj Bjorner 86e22c1186 add validation option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-18 09:44:20 -08:00
Nikolaj Bjorner dc78da4873 case analysis for commit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 23:29:31 -08:00
Nikolaj Bjorner ba05f79415 bug fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 22:40:43 -08:00
Nikolaj Bjorner b573b94f84 nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-08 21:59:38 -08:00
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