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117 commits

Author SHA1 Message Date
Nikolaj Bjorner c3b27903f8 fix #1677
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-06-18 11:22:01 -07:00
Nikolaj Bjorner 74292a48e5 change order of concatentation for empty string, #1595
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-04-26 09:08:34 +02:00
Nikolaj Bjorner 0b4e54be38 fix #1583
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-04-23 07:15:04 +02:00
Murphy Berzish 49b810e00f Merge branch 'master' into regex-develop 2018-03-11 23:18:55 -04:00
Nikolaj Bjorner a4c58ec4c2 fix #1496
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-22 08:05:28 +09:00
Murphy Berzish 54206e3674 Merge branch 'develop' into regex-develop
Conflicts:
	src/smt/theory_str.h
2018-02-12 17:25:50 -05:00
Bruce Mitchener 76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Bruce Mitchener b7d1753843 Use override rather than virtual. 2018-02-09 21:19:27 +07:00
Nikolaj Bjorner 61934d8106 align semantics of re.allchar with string proposal. #1475
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-07 20:08:15 -08:00
Murphy Berzish fbe8d1577e new regex automata start; add complexity estimation 2017-12-04 18:05:00 -05:00
Nikolaj Bjorner 81ec5bae95 fix #1377
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-27 11:02:48 -08:00
Nikolaj Bjorner 36e5d4dec9 fix #1377
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-27 11:01:44 -08:00
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