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
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
Anh-Dung Phan
034b33b6da
Remove m_final from spanning tree representation
2013-11-06 13:30:29 -08:00
Nikolaj Bjorner
c0de1e34ac
working on upper bound optimziation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-03 14:54:42 -08:00
Nikolaj Bjorner
2a907ea52a
fix objective value regression in simplex maximation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-01 12:45:26 -07:00
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
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
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
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
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
