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Author SHA1 Message Date
Anh-Dung Phan 8b776569e0 Add fix_depth 2013-11-05 07:30:42 +01:00
Nikolaj Bjorner acb26d0cf9 review of network flow 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-04 16:00:50 -08:00
Nikolaj Bjorner 89989627d0 add blast method for ite terms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-04 13:33:02 -08:00
Leonardo de Moura 063f6fe15f fix assertion violations (reported by Christoph Wintersteiger) at sage\app8\bench_2174.smt2, sage\app9\bench_1450.smt2, sage\app9\bench_1546.smt2 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-04 12:26:20 -08:00
Leonardo de Moura 88675ec728 fix assertion violations (reported by Christoph Wintersteiger) at sage/bench_1300.smt2 and sage/bench/2861.smt2 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-04 12:24:25 -08:00
Leonardo de Moura 825b72719c fix https://z3.codeplex.com/workitem/62 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-04 11:57:29 -08:00
Leonardo de Moura 8b10e13251 fix bug in factor_tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-04 11:02:53 -08:00
Anh-Dung Phan 53d365bc44 Debug Network Simplex implementation 2013-11-04 09:12:25 +01:00
Nikolaj Bjorner 883018b405 v1 of conflict driven optimization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 19:27:06 -08:00
Nikolaj Bjorner a26bd69a5e missing new files 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 14:55:48 -08:00
Nikolaj Bjorner a0d52e835b missing new files 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 14:55:39 -08:00
Nikolaj Bjorner c0de1e34ac working on upper bound optimziation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-03 14:54:42 -08:00
Nikolaj Bjorner e5698119d7 debugging infinite upper bound checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 17:27:24 -07:00
Nikolaj Bjorner b35ed169b1 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-11-01 17:26:48 -07:00
Nikolaj Bjorner 3c6f0c737a debugging infinite upper bound checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 17:26:27 -07:00
Ken McMillan 7ca6c744fd added binary interpolation 2013-11-01 15:58:59 -07:00
Anh-Dung Phan 926f2e0834 Add more object invariants 2013-11-01 14:50:17 -07:00
Nikolaj Bjorner 2a907ea52a fix objective value regression in simplex maximation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-11-01 12:45:26 -07:00
Ken McMillan ac212ec54c fixing interpolation bugs 2013-11-01 11:03:55 -07:00
Anh-Dung Phan 736d43c084 Block lower bound of difference logic objectives 2013-11-01 08:05:29 +01:00
Nikolaj Bjorner 87141f4cb3 fix bugs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 22:09:52 -07:00
Nikolaj Bjorner 6ca0c7c6c7 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-31 21:32:18 -07:00
Nikolaj Bjorner 6baa469073 local updates to opt_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 21:32:11 -07:00
Nikolaj Bjorner ae3a69b32e Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-31 18:51:28 -07:00
Anh-Dung Phan 195df69a1b Use optional<_> for infinite check 2013-10-31 18:34:40 -07:00
Nikolaj Bjorner cfac32c57d add outline of object invariant 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 17:21:10 -07:00
Anh-Dung Phan a66a14dbf0 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-31 16:41:42 -07:00
Anh-Dung Phan 29622229cb Add lower bound case for edge_state 2013-10-31 13:03:24 -07:00
Anh-Dung Phan 1a32a64b96 Use constraint graphs for minimum cost flow correctly 2013-10-31 12:11:56 -07:00
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 637b63cbe1 preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:15:08 -07:00
Nikolaj Bjorner 5106c74b3e preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:13:24 -07:00
Nikolaj Bjorner 0b65aa83e8 preparing for inf extension of arithmetic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 02:02:37 -07:00
Nikolaj Bjorner acc7aa1636 use iterative weighted algorithm 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-31 00:57:36 -07:00
Anh-Dung Phan a3a7af84c5 Minor updates 2013-10-30 18:25:39 -07:00
Anh-Dung Phan 3a3f93c4a5 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-30 16:52:52 -07:00
Anh-Dung Phan 01c3dd779b Add visualization of spanning trees 2013-10-30 16:52:37 -07:00
Nikolaj Bjorner 86151b4d52 dealing with cancel 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:38:47 -07:00
Nikolaj Bjorner 946b888b32 adding timeout, parameters, statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:24:21 -07:00
Nikolaj Bjorner 9fc84f1389 adding timeout, parameters, statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 13:23:04 -07:00
Anh-Dung Phan 49aba844b8 Refactor network_flow 
Use a template method for pretty printing
 2013-10-30 10:04:56 -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 6302d1b7db wmax nits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-30 01:18:10 -07:00
Anh-Dung Phan a6e103dd36 Make a few variables private 2013-10-30 06:30:51 +01:00
Nikolaj Bjorner f5e6a18015 working on wmaxsmt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-29 21:16:02 -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
Anh-Dung Phan b0fddd8e60 Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-29 18:33:06 -07:00
Anh-Dung Phan b67d333cf9 First complete version of Network Simplex 2013-10-29 18:32:10 -07:00
Nikolaj Bjorner 5170cbbd7e Merge branch 'opt' of https://git01.codeplex.com/z3 into opt 2013-10-29 17:40:50 -07:00
Nikolaj Bjorner 96562962fa working on wmaxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-29 17:40:37 -07:00