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4257 commits 49 branches 53 tags 182 MiB
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Author SHA1 Message Date
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
Anh-Dung Phan
e715ccbc98 Minor updates 2013-10-29 15:49:53 -07:00
Anh-Dung Phan
905f230b8f Add pretty printing for network_flow 
Reuse the original graph as much as possible
 2013-10-29 14:20:29 -07:00
Nikolaj Bjorner
1878d64b02 working on weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-28 21:32:41 -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
Anh-Dung Phan
906bbb4eeb Update Network Simplex implementation 2013-10-28 18:29:14 -07:00
Nikolaj Bjorner
d78d22deb6 working on weighted max smt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-10-28 17:13:23 -07:00