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1501 commits 42 branches 51 tags 169 MiB
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44 commits

Author SHA1 Message Date
Nikolaj Bjorner
401fced400 separate out file for objectives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-07 18:09:44 -08:00
Anh-Dung Phan
034b33b6da Remove m_final from spanning tree representation 2013-11-06 13:30:29 -08:00
Nikolaj Bjorner
9467806a5c debugging cardinality theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-05 09:39:28 -08:00
Nikolaj Bjorner
2853b322ca sketch cardinality plugin module 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-05 01:30:34 -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
89989627d0 add blast method for ite terms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-04 13:33:02 -08:00
Nikolaj Bjorner
883018b405 v1 of conflict driven optimization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 19:27:06 -08:00
Nikolaj Bjorner
a26bd69a5e missing new files 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 14:55:48 -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
e5698119d7 debugging infinite upper bound checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 17:27:24 -07:00
Nikolaj Bjorner
3c6f0c737a debugging infinite upper bound checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 17:26:27 -07:00
Nikolaj Bjorner
2a907ea52a fix objective value regression in simplex maximation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 12:45:26 -07:00
Nikolaj Bjorner
87141f4cb3 fix bugs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 22:09:52 -07:00
Nikolaj Bjorner
72e82532b2 enabling upper bound test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 09:43:15 -07:00
Nikolaj Bjorner
637b63cbe1 preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:15:08 -07:00
Nikolaj Bjorner
5106c74b3e preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:13:24 -07:00
Nikolaj Bjorner
0b65aa83e8 preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:02:37 -07:00
Nikolaj Bjorner
acc7aa1636 use iterative weighted algorithm 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 00:57:36 -07:00
Nikolaj Bjorner
86151b4d52 dealing with cancel 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:38:47 -07:00
Nikolaj Bjorner
946b888b32 adding timeout, parameters, statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:24:21 -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
42cbbe830e working on wmaxsmt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 01:28:50 -07:00
Nikolaj Bjorner
6302d1b7db wmax nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 01:18:10 -07:00
Nikolaj Bjorner
f5e6a18015 working on wmaxsmt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-29 21:16:02 -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
96562962fa working on wmaxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-29 17:40:37 -07:00
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