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Code Activity
8917 commits 49 branches 53 tags 182 MiB
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538 commits

Author SHA1 Message Date
Nikolaj Bjorner
082dcda7f7 Fix Issue #405: Horn normal form ignores implication 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-10 19:16:59 -08:00
Nikolaj Bjorner
fc4260e018 enable Horner evaluation also for mixed-integer constraints now that ast-manger inserts coercions on the fly. Avoids loop for issue #399, but with this alone results in unknown status 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-09 10:01:44 -08:00
Mikolas Janota
743a59254e Merge remote-tracking branch 'upstream/master' into lackr 2016-01-07 16:39:43 +00:00
Nikolaj Bjorner
3f040dbd23 remove std::cout usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-04 22:26:54 -08:00
Nikolaj Bjorner
0c03a87c82 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-03 14:08:29 -08:00
Nikolaj Bjorner
876fd1f7ba seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-01 09:00:21 -08:00
Nikolaj Bjorner
38865ffe0d program the simple joints a bit more defensively per bugs reported by Sean McLaughlin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-31 10:42:41 -08:00
Mikolas Janota
3dbc307ecd Setting up the lackr branch. 2015-12-16 20:10:14 +00:00
Nikolaj Bjorner
ee0dbf34f0 add completion (introducing negative root function symbols) to address regression introduced when fixing unsound handling of negative roots 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-16 00:49:06 +02:00
Nikolaj Bjorner
43bc6caa55 fix warning messages 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-15 04:11:11 +02:00
Nikolaj Bjorner
72883df134 fix build, add seq features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-13 16:02:17 -08:00
Nikolaj Bjorner
2a051719d8 cleanup deprecated critical sections, fix cancellation for par_or_else tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 09:43:00 -08:00
Nikolaj Bjorner
1aea9722cb moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:56:23 -08:00
Nikolaj Bjorner
baee4225a7 reworking cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:21:24 -08:00
Nikolaj Bjorner
981f8226fe moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 13:36:47 -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
61dbb6168e cleanup cancelation logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 12:35:35 -08:00
Nuno Lopes
d9cd01f3f7 remove a few leftovers from min aggregation cleanup 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-12-09 09:28:17 +00:00
Nikolaj Bjorner
4bbe1d4674 remove unused min-aggregate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-04 09:23:36 -08:00
Nikolaj Bjorner
b3e8020c88 bind variables in queries generated from Horn tactic to enforce that rule formulas don't contain free variables. Issue #328 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-01 14:47:33 -08:00
Nikolaj Bjorner
c8f09fa955 fix for unsound results reported in #313 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-16 22:59:07 -08:00
Nikolaj Bjorner
b8e4871d9e disable bottom-up coi filtering when relations contain facts. bug reported by SeanMcL 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-15 10:53:00 -08:00
Nikolaj Bjorner
3a3e1796e2 Fix bug #311. update tabs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-14 18:42:11 -08:00
Nikolaj Bjorner
f537167080 Fix bug #311 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-14 18:41:16 -08:00
Nikolaj Bjorner
2912c355e2 remove reinterpret_cast. Issue #229, issue #24 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-04 10:54:19 -07:00
Nikolaj Bjorner
7768aa5487 compiler warning by daniel j h 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-04 10:35:48 -07:00
Nikolaj Bjorner
9b3e242990 adding rlimit resource limit facility to provide platform and architecture independent method for canceling activities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-28 13:37:59 -07:00
Christoph M. Wintersteiger
f3441c6a9b tabs and indentation 2015-09-17 13:25:22 +01:00
Nikolaj Bjorner
f94152c857 fix build warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-15 10:54:01 +02:00
Nikolaj Bjorner
44105b7aeb reduce verbosity level of error message when equivalence checking fails 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-09 08:32:57 -07:00
Nikolaj Bjorner
a3c43c34fb change default behavior of solver pretty printer to include declarations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-06 18:57:11 +02:00
Christoph M. Wintersteiger
0cd406ca0b Fixed initialization order and unused variable warnings. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-07-30 09:09:13 +01:00
Henning Guenther
5fdc104f82 Improve filter_rules performance 
Perform lookup and insert in one operation to avoid duplicate work.
 2015-07-23 16:08:09 +01:00
Nikolaj Bjorner
a9a5a69b73 remove double underscores 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-09 13:31:22 -07:00
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
Nuno Lopes
5703abd3f1 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-07-08 13:39:26 +01:00
Nuno Lopes
8edd551f20 remove uneeded calls to datalog_context::get_rules(), since it can be expensive. 
thanks to Henning Guenther for finding this.

Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-07-08 13:39:15 +01:00
Nikolaj Bjorner
940fed16e1 enforce stringstream formatting to avoid default format routine. fixes issue #149 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-06 09:11:52 -07:00
Nikolaj Bjorner
3fd5d0eaba handle variables and quantifiers, fixes issue #150 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-06 08:34:54 -07:00
Nuno Lopes
1f619fd960 cleanup warnings from new dataflow engine 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-30 08:47:37 +01:00
Nikolaj Bjorner
769127d531 add dummy file to fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-29 15:10:38 -07:00
Henning Guenther
c7e96d897a Replace cone-of-influence filter with generalized dataflow-engine 
Signed-off-by: Henning Guenther <t-hennig@microsoft.com>
 2015-06-29 10:50:51 +01:00
Nuno Lopes
f29d82858f make check_relation::check_equiv() exit only when solver return SAT (ie, avoid false-positives with unknowns) 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-24 17:13:24 +01:00
Nuno Lopes
30eb461e01 disable debug output from check_relation 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-24 17:06:22 +01:00
Nuno Lopes
5cc8c8bde6 udoc: micro optimization for compiler_guard 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-24 17:06:21 +01:00
Nikolaj Bjorner
03034e7b33 disable bottom-up COI on rules with negated predicates. Fixes issue #140 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:19 +01:00
Nikolaj Bjorner
3de2a70a48 move functionality from qe_util to ast_util 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:17 +01:00
Nikolaj Bjorner
158a5dd2db add count of memory allocations and way to limit allocations globally. Fix purification in nlsat_smt to fix regressions on QF_UFNRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:12 +01:00
Nikolaj Bjorner
22c0a593e7 deal with unit test failure cases, fixes #132 #133 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:08 +01:00
Matthias Schlaipfer
37cb5b9597 Fixed a bug in udoc_relation's join project 
An optimization was applied in too many cases and led to wrong results.

Signed-off-by: Matthias Schlaipfer <t-matsch@microsoft.com>
 2015-06-24 17:06:06 +01:00