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5898 commits 23 branches 48 tags 156 MiB
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71 commits

Author SHA1 Message Date
Nikolaj Bjorner ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Nikolaj Bjorner e9db934f1a improving perf of mutex finding, revert semantics of 0 timeout to no-timeout. Issue #791 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-17 04:26:17 +02:00
Nikolaj Bjorner 84172302a2 fix bug in mutex extraction, reported by Patrick Trentin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 00:16:16 +01:00
Nikolaj Bjorner 23b9d3ef55 fix at-most-1 constraint compiler bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-22 18:50:16 -07:00
Nikolaj Bjorner 619cce0a52 add mutex preprocessing to maxsat, add parsing functions to C++ API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-07 12:42:08 -07:00
Nikolaj Bjorner f452895f5f add mutex pass 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-04 14:45:23 -07:00
Nikolaj Bjorner 5d5004193b avoid crash on box models under cancellation. Issue #654 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-29 04:54:31 -07:00
Nikolaj Bjorner 0fdf01e410 avoid crash on box models under cancellation. Issue # SASSERT(!m_box_models.empty()); 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-29 04:53:28 -07:00
Nikolaj Bjorner c72ed3e6b4 update core minimization code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-23 21:39:28 -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 9f5a117443 move mus to solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-10 16:24:14 -07:00
Nikolaj Bjorner 5994c5a948 fix partial model tracking over cancellation/exceptions, reported by August Shi. Fix regression test for fp-to-real, reset the pre-processor in inc_sat_solver on exceptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-07 16:42:29 -08:00
Nikolaj Bjorner 32b6b2da44 moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 13:13:11 -08:00
Nikolaj Bjorner 653416153d use appropriate MaxSAT solver even if there are no soft constraints. Also avoid PB constraints when all soft constraints are false. Reported by Klaus Becker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-02 08:18:51 -08:00
Nikolaj Bjorner b25e8e2288 tune lexicographic products, avoid push/pop and ensure correction sets are not used for multiple objectives 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-13 16:00:45 +02:00
Nikolaj Bjorner 0ed38ed59b add option for using corr set and use partial cores 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-30 14:48:24 -07:00
Nikolaj Bjorner b2ebd095cb fix for unintialized variable m_conflict_lvl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 17:01:46 -07:00
Nikolaj Bjorner 149549dd52 fix wcnf front-end and unsat case in pd 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 14:24:51 -07:00
Nikolaj Bjorner ee458fa601 revising pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 12:09:07 -07:00
Nikolaj Bjorner 546a9b8f03 revising pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 10:53:39 -07:00
Nikolaj Bjorner da0c12cdba move display method to before first SAT call 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-21 18:29:36 -07:00
Nikolaj Bjorner a78fc031bc adding facility to dump wcnf benchmarks 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-21 07:26:49 -07:00
Nikolaj Bjorner a9807878ea reworking pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 12:20:30 -07:00
Nikolaj Bjorner e3cb0e2d8b reworking pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 12:06:27 -07:00
Nikolaj Bjorner 911ffc370a separate MaxSMT functionality to enable using this independently (and incrementally) of overall context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-02-16 09:11:28 +01:00
Nikolaj Bjorner 761c7d9a40 adding annotation to logging to show number of columns and rows, adding dual propagation sketch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-25 04:01:18 -08:00
Nikolaj Bjorner f1d9228b94 fix bug in context push/pop for sat solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-20 16:30:46 -08:00
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 f7f4feaa47 fix lex bug for maxres case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-11 01:05:30 -07:00
Nikolaj Bjorner e1c2049343 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2014-10-06 08:37:41 -07:00
Nikolaj Bjorner db20b2502d try qx 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-04 19:50:42 -07:00
Nikolaj Bjorner f3d2535b46 another unit test for Nuno 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-03 16:58:46 -07:00
Nikolaj Bjorner 0b1c180808 fix lexicographic product for MaxSMT 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-01 13:49:23 -07:00
Nikolaj Bjorner 08dcd51594 fix bugs in incremental operation of sat solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-27 12:04:54 -07:00
Nikolaj Bjorner 99ff13b651 opt + udoc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-17 11:39:25 -07:00
Nikolaj Bjorner 73070585b8 fix bug in core generation in legacy core: it ignores complementary literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-14 13:06:01 -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 18b491eee0 fixes to maxres/mss 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-03 10:03:56 -07:00
Nikolaj Bjorner b5bbf83847 update core generation to be partial, update maxres to use current model too 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-02 19:05:28 -07:00
Nikolaj Bjorner afe7fc367b working on maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-30 12:40:37 -07:00
Nikolaj Bjorner 83a7d1a658 adding options to maxres for experiments, include option to pretty print module parameters in smt2 style 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-30 11:46:29 -07:00
Nikolaj Bjorner b45b2872d8 basic primal/dual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-29 16:24:46 -07:00
Nikolaj Bjorner 5fdb58348e working on mus-mss 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-29 15:34:48 -07:00
Nikolaj Bjorner 3da60804fc basic primal/dual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-29 09:52:56 -07:00
Nikolaj Bjorner c928f776da working on mss/mus v2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-29 08:39:31 -07:00
Nikolaj Bjorner 1b9529e1e1 fix scope bugs per Klaus Becker's examples 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-29 01:55:32 -07:00
Nikolaj Bjorner bd8875bf5f add MUS/MCS plan 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-28 21:18:17 -07:00
Nikolaj Bjorner 16e0ad14aa add MUS/MCS plan 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-28 20:56:41 -07:00
Nikolaj Bjorner b596828d23 add DDNF based engine 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-08-21 18:04:46 -07:00