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7366 commits 43 branches 51 tags 169 MiB
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105 commits

Author SHA1 Message Date
Nikolaj Bjorner
a1cc21d77b merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-09-05 16:03:46 -07:00
Nikolaj Bjorner
a4cf2726fd fix seg-fault from #1244 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-09-05 07:35:37 -07:00
Nikolaj Bjorner
009e94d188 update to theory_seq following examples from PJLJ 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-30 14:00:01 -07:00
Nikolaj Bjorner
276fdd0e97 register auxiliary constants from projection operation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-20 08:51:24 -07:00
Nikolaj Bjorner
07bc19b489 add documentation to string rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-14 07:19:04 -07:00
Nikolaj Bjorner
a39b0b201a another fix to str.to.int/int.to.str semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-13 17:27:34 -07:00
Nikolaj Bjorner
fb17362dff fix string rewriting according to definition. Relates to examples in #1202 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-13 17:21:38 -07:00
Nikolaj Bjorner
ead704f52f handle undefined constant cases for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-13 17:13:10 -07:00
Nikolaj Bjorner
c4083c367a update handling of contains constraints taking string literals into account 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-12 19:14:55 -07:00
Nikolaj Bjorner
50e9b371d9 inc version 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-12 17:52:58 -07:00
Nikolaj Bjorner
85cdfd885f address bug reported in #1196 and include additional ad-hoc rewrites to handle some string cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-12 17:41:18 -07:00
Nikolaj Bjorner
7b47b0380e update Ackerman reduction for division to make Andre and Nathan happy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-08-10 23:43:21 +02:00
Nikolaj Bjorner
b19f94ae5b make include paths uniformly use path relative to src. #534 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-07-31 13:24:11 -07:00
Christoph M. Wintersteiger
a7d5bb7b36 Tabs 2017-05-31 12:18:00 +01:00
Nikolaj Bjorner
79a8e9aab0 fix build break #1029 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-18 12:09:51 -07:00
Nikolaj Bjorner
ceec81de0b simplify code, issue #1028 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-16 08:32:08 -07:00
Nikolaj Bjorner
7fab670719 fix regression, issue #1028 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-16 08:21:32 -07:00
Nikolaj Bjorner
d1cfc53495 fix for #1015 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-10 19:40:00 -07:00
Nikolaj Bjorner
7e1fae418a fix #1005, disable expansion of regular expression range to union as it degrades performance significantly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-05 10:59:47 -04:00
Murphy Berzish
46ac718790 theory_str frontend changes 2017-04-26 17:24:05 -04:00
Nikolaj Bjorner
66e61b8a31 issues #963 #912 2017-04-17 03:06:38 -07:00
Nikolaj Bjorner
48638c6f1e fix for #975, add mask to ensure character encoding is unique within range of bits used for encoding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-15 09:34:13 +07:00
Nikolaj Bjorner
582880346e add index option to 'eval' command for box objectives. Issue #955 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-31 09:22:56 -07:00
Nikolaj Bjorner
e342b87921 Merge pull request #942 from mtrberzi/str-extract-semantics 
alternate str.extract semantics in seq_rewriter
 2017-03-21 10:48:06 -07:00
Murphy Berzish
6804c88b66 make seq.extract rewrite type-generic 2017-03-21 12:54:06 -04:00
Nikolaj Bjorner
ca4ae171ea remove unsound simplification in prefix #949 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-21 07:40:35 -06:00
Nikolaj Bjorner
05c267b8d8 make seq.at operations generic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-14 15:37:47 -07:00
Murphy Berzish
34717a7b6e str.extract semantics fix 2017-03-14 14:14:46 -04:00
Murphy Berzish
5c9d7538a0 add alternate str.at semantics check in seq_rewriter 
this rewrites to empty string if the index is negative or beyond the length of the string,
which is consistent with CVC4's semantics for this term
 2017-03-13 14:39:12 -04:00
Nikolaj Bjorner
c1480b4389 handle model generation from issue #748. Deal with warnings from #836 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-12 00:40:52 +01:00
Nikolaj Bjorner
7cc093eee0 Add rewrite rule for property encoded in #812 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-11 11:05:12 +01:00
Nikolaj Bjorner
8e6600c6be add python API for newly exposed regex constructors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-09 09:09:03 +01:00
Nikolaj Bjorner
7a4c20698f fix handling of AC operator ++ on regular expressions. Issue #804 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-22 13:02:17 -08:00
Nikolaj Bjorner
5a86815f34 fix regression in seq-replace rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-11 05:43:16 -07:00
Nikolaj Bjorner
0b57829bdd fix heisenbug, unintialized variable, issue #720 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 11:04:29 -07:00
Nikolaj Bjorner
cb140011bc add missing rewrite rule. Issue #731 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-10 09:42:36 -07:00
Nikolaj Bjorner
e485d1889c update replace semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-08 13:59:13 -07:00
Loris D'Antoni
73bd4acfc5 added symbolic automata complement for sequences 2016-07-28 13:50:05 -07:00
Nikolaj Bjorner
d5ee7e24bc add simplification for equalities between itos and constant strings, Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 11:50:39 -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
45fdb95f53 fix performance for model construction, recognize concats of values as a value for pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-23 17:23:57 -07:00
Nikolaj Bjorner
70f13ced33 make proto-model evaluation use model_evaluator instead of legacy evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 10:14:15 -08:00
Nuno Lopes
006dc147a8 fix build with gcc 5 2016-02-29 14:34:48 +00:00
Nikolaj Bjorner
df2d7e7628 add intersection using symbolic automata facility 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-28 17:05:12 -08:00
Nikolaj Bjorner
ce8862d415 fix bug in conflict clause generation in seq-branch-variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-26 18:15:45 -08:00
Nikolaj Bjorner
d5383e2387 fix bug in definition of rewrite rule for replace, tighten constraints for tightest-prefix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-23 18:41:56 -08:00
Nikolaj Bjorner
e2dc7c6f64 add note that current re.complement is non-standard 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 17:12:43 +00:00
Nikolaj Bjorner
94453033b6 add partial support for complementation of regular expressions. Handles case of complementing character ranges 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 15:59:33 +00:00
Nikolaj Bjorner
5b50d98b89 ensure that seq rewriter gets invoked during pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-06 16:13:31 +00:00
Nikolaj Bjorner
9c7e5c37d1 add equality propagation based on partial length information to sequence theory. Fix issue #429 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-04 08:12:46 -08:00