Nikolaj Bjorner
5106c74b3e
preparing for inf extension of arithmetic
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 02:02:37 -07:00
Nikolaj Bjorner
acc7aa1636
use iterative weighted algorithm
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 00:57:36 -07:00
Nikolaj Bjorner
86151b4d52
dealing with cancel
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-30 13:38:47 -07:00
Nikolaj Bjorner
946b888b32
adding timeout, parameters, statistics
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-30 13:24:21 -07:00
Nikolaj Bjorner
9fc84f1389
adding timeout, parameters, statistics
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-30 13:23:04 -07:00
Nikolaj Bjorner
42cbbe830e
working on wmaxsmt
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-30 01:28:50 -07:00
Nikolaj Bjorner
6302d1b7db
wmax nits
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-30 01:18:10 -07:00
Nikolaj Bjorner
f5e6a18015
working on wmaxsmt
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-29 20:26:54 -07:00
Nikolaj Bjorner
96562962fa
working on wmaxsat
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-29 17:40:37 -07:00
Nikolaj Bjorner
1878d64b02
working on weighted maxsat
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-28 21:32:41 -07:00
Nikolaj Bjorner
d30f183476
working on weighted maxsat
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-28 21:30:57 -07:00
Nikolaj Bjorner
d78d22deb6
working on weighted max smt
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-19 17:43:59 -07:00
Nikolaj Bjorner
3996f58a8e
tidy & todo notes
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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>
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Also handle composite objectives correctly.
2013-10-19 06:03:21 +02:00
Anh-Dung Phan
a44044fb15
A rudimentary version of MathSAT optimization
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-17 20:50:33 -07:00
Nikolaj Bjorner
cfedbe3dfd
add opt_solver layer
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-16 02:07:30 -07:00
Nikolaj Bjorner
45eda6c6ad
Fu&Malik v1
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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
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Enable VS_PROJ = true for temporary use
2013-10-15 11:52:27 -07:00
Nikolaj Bjorner
726f66a77c
initial opt commands
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-14 17:08:24 -07:00
