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51 commits

Author SHA1 Message Date
Nikolaj Bjorner
0aa912371b Another fix for #847. Reset wmax theory solver state between lex calls, otherwise it uses stale constraints
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-01-17 14:19:24 -08:00
Nikolaj Bjorner
dea3b8ddf7 address warnings from #836
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-12-10 13:14:36 +01:00
Nikolaj Bjorner
024082a45f adding preferred sat, currently disabled, to wmax. Fixing issue #815
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-11-30 09:52:05 -08:00
Nikolaj Bjorner
8d2b70a5e2 better encodings for at-most-1, #755
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-10 23:46:03 -07:00
Nikolaj Bjorner
491b3b34aa tune consequence finding. Factor solver pretty-printing as SMT-LIB into top-level
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-08-03 11:14:29 -07:00
Nikolaj Bjorner
c7ff05cc78 enable core minimization with qsat in case it turns out to be useful
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-06-12 15:58:12 -07:00
Nikolaj Bjorner
67397bf71e enable logic parameter update to configure SMTLIB logic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-03-01 09:48:24 -08:00
Nikolaj Bjorner
85d44c5d66 fix axioms for extract, add extensionality checking for shared variables, convert exceptions to unknown status per #419
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-18 11:09:41 +05:30
Nikolaj Bjorner
baee4225a7 reworking cancellation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-11 16:21:24 -08:00
Nikolaj Bjorner
0592e76574 Enhancement for Valentin #332
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-19 10:26:01 -08:00
Nikolaj Bjorner
b4cb51cdb3 working on Forking/Serializing a z3 Solver #209
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-06 17:29:24 -08:00
Nikolaj Bjorner
4bc044c982 update header guards to be C++ style. Fixes issue #9
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-07-08 23:18:40 -07:00
Nikolaj Bjorner
ffff006945 remove old files
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
2015-06-02 09:15:08 -07:00
Nikolaj Bjorner
64bd62b17e fix gcc compiler warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-05-16 11:56:04 +01:00
Nikolaj Bjorner
a0f0b53686 fixes to #52, #53
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-04-28 14:48:59 -07:00
Nikolaj Bjorner
f8d04118d8 switch models for multiple box objectives. Feature request at codeplex issue 194, George Karpenov. Usage model is same as Pareto fronts you call check-sat multiple times until retrieving unsat
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
2015-04-01 16:21:56 -07:00
Nikolaj Bjorner
c3232693f0 use PB solver instead of full arithmetic for bouding Pareto fronts so that difference logic theory isn't broken. Codeplex issue 175
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-02-22 09:46:21 -08:00
Nikolaj Bjorner
8141dadc89 break on small cores
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-02-08 10:22:06 +01:00
Nikolaj Bjorner
08cb8b8de8 address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-12-09 16:04:25 +01:00
Nikolaj Bjorner
ce18421a7a fix box
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-10-15 14:29:39 -07:00
Nikolaj Bjorner
a96fa0c555 remove deprecated maxsat solvers, adjust values inline
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-14 11:55:47 -07:00
Nikolaj Bjorner
019ff77613 fix sorting network bug, add network compilation,...
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-11 18:47:21 -07:00
Nikolaj Bjorner
c1580fb85a follow logic annotation/enable diff logic when configured
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-07 11:52:14 -07:00
Nikolaj Bjorner
ee1a1b1135 refactor sat/sls interface. Remove wpm2 and bvsls dependencies
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-08-15 10:40:44 -07:00
Nikolaj Bjorner
d67f1f36c4 refactor weighted theory solver into own file
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-29 16:54:12 -07:00
Nikolaj Bjorner
99b4ce037d integrating diff opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-05 16:29:26 -08:00
Nikolaj Bjorner
0641c4f694 working on pre-processing
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-26 09:53:33 -08:00
Nikolaj Bjorner
670f56e5e4 adjust benchmark generation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-21 07:09:39 -08:00
Nikolaj Bjorner
0deb951873 different strategies for weighted
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
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-14 09:37:42 +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
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
a617eac010 enable bounding for various domains
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
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
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
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-08 16:54:34 -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
72e82532b2 enabling upper bound test
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 09:43:15 -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
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
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
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