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117 commits

Author SHA1 Message Date
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
527c5191a6 Add C++ functions for set operations per stackoverflow post, set relevancy = 2 for quantified maxsmt per example from Aaron Gember, fix conversion of default weights based on bug report from Patrick Trentin on maxsat. Annotating soft constraints with weight=0 caused the weight to be adjusted to 1 and therefore produce wrong results 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-21 12:24:24 -07:00
Nikolaj Bjorner
5b497b6249 reduce set of mainly verbose warnings raised by -Wmaybe-uninitialized and unused variable warnings from release mode builds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-22 20:25:47 -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
1aa3fdab8a remove min/max, use qmax; disable cancellation during model evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-19 13:04:20 -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
5948013b1b clear label buffer 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-18 18:56:54 -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
4675643271 fixes to githup issue #133 and stackoverflow reported bug on assertion violation in poly_simplifier_plugin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-21 13:49:15 -07:00
Nikolaj Bjorner
ffff006945 remove old files 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-06-02 09:15:08 -07:00
Nuno Lopes
6c22edc988 fix assorted compiler warnings 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-05-16 11:44:58 +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
e24db56650 integrating new integer primal loop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-20 16:38:45 -08:00
Nikolaj Bjorner
ef57e4abe5 extract theory symbols from Boolean objectives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-05 19:42:06 -08:00
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
444879db5f fix bug reported on stackoverflow on crash for unconstrained variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-11-05 13:51:27 +01:00
Nikolaj Bjorner
301f441801 bypass simplifier if (m_is_clausal) { 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-22 09:02:08 -07:00
Nikolaj Bjorner
ce18421a7a fix box 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-15 14:29:39 -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
63550d8a1a bug fixes in hsmax 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-06-15 05:44:03 -07:00
Nikolaj Bjorner
d2db8007d8 tuning pb/max 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-05-06 04:01:10 -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
ede9549818 fix compilation errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-25 13:43:45 -07:00
Nikolaj Bjorner
ff1543d700 fix APIs, add python API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-23 21:28:11 -07:00
Nikolaj Bjorner
0181f0f9df add bvmax tactic, add proviso for non-0 lower bounds in elim01 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-23 18:03:20 -07:00
Nikolaj Bjorner
9556a223f3 check types 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-22 00:54:14 -07:00
Nikolaj Bjorner
f82f7f83b9 adding optimization to dense difference logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-14 14:42:01 -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
eb6d39ba46 fix memory smash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-02-27 11:49:25 -08:00
Nikolaj Bjorner
c5b82796ca moving parameters to theory_pb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-01-01 20:00:10 -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
50f18a77af disable 'optimization' that led to wrong model' 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-15 02:40:52 +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
Anh-Dung Phan
dbc791d385 Reorganize combination of objectives 2013-11-26 09:20:11 +01:00
Anh-Dung Phan
87a2b99091 Clean up 2013-11-25 12:16:34 -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