Nikolaj Bjorner
d67f1f36c4
refactor weighted theory solver into own file
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-29 16:54:12 -07:00
Nikolaj Bjorner
99b4ce037d
integrating diff opt
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-05 16:29:26 -08:00
Nikolaj Bjorner
0641c4f694
working on pre-processing
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-26 09:53:33 -08:00
Nikolaj Bjorner
670f56e5e4
adjust benchmark generation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-21 07:09:39 -08:00
Nikolaj Bjorner
0deb951873
different strategies for weighted
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-20 12:04:17 +01:00
Nikolaj Bjorner
04824d86df
fixes to model generation of weighted maxsat
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-14 09:37:42 +02:00
Nikolaj Bjorner
8c85ee6b7c
fixing lex optimization
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-13 23:36:42 +01:00
Nikolaj Bjorner
370a4b66de
update lower bounds from feasible solutiosn
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-07 22:09:57 -08:00
Nikolaj Bjorner
a617eac010
enable bounding for various domains
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-06 19:36:12 -08:00
Nikolaj Bjorner
2ff51e9a60
move model_evaluator from pdr to model, call it model_implicant
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-23 21:33:35 +01:00
Anh-Dung Phan
c837f62863
Use quick explain for unsat core in Fu Malik algorithm by default
2013-11-15 16:58:42 -08:00
Anh-Dung Phan
074e851d49
Display Fu Malik statistics
2013-11-15 12:58:11 -08:00
Anh-Dung Phan
d729e89a7b
Fix a minor bug on cardinality solver
2013-11-14 12:36:39 -08:00
Anh-Dung Phan
5921628f53
Dump opt_solver checksat calls for profiling
2013-11-13 18:46:18 -08:00
Nikolaj Bjorner
b573b94f84
nits
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-08 21:59:38 -08:00
Nikolaj Bjorner
9f53a4aa18
working on supporting multiple max-sat objectives
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-08 16:54:34 -08:00
Nikolaj Bjorner
6caee5e3ca
more refactoring
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-08 13:16:10 -08:00
Nikolaj Bjorner
72e82532b2
enabling upper bound test
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 09:43:15 -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
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
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
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
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
