Nikolaj Bjorner
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d1cfc53495
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fix for #1015
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-10 19:40:00 -07:00 |
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Nikolaj Bjorner
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7e1fae418a
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fix #1005, disable expansion of regular expression range to union as it degrades performance significantly
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-05 10:59:47 -04:00 |
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Murphy Berzish
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46ac718790
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theory_str frontend changes
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2017-04-26 17:24:05 -04:00 |
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Nikolaj Bjorner
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66e61b8a31
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issues #963 #912
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2017-04-17 03:06:38 -07:00 |
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Nikolaj Bjorner
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48638c6f1e
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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>
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2017-04-15 09:34:13 +07:00 |
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Nikolaj Bjorner
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582880346e
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add index option to 'eval' command for box objectives. Issue #955
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-03-31 09:22:56 -07:00 |
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Nikolaj Bjorner
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e342b87921
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Merge pull request #942 from mtrberzi/str-extract-semantics
alternate str.extract semantics in seq_rewriter
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2017-03-21 10:48:06 -07:00 |
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Murphy Berzish
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6804c88b66
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make seq.extract rewrite type-generic
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2017-03-21 12:54:06 -04:00 |
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Nikolaj Bjorner
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ca4ae171ea
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remove unsound simplification in prefix #949
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-03-21 07:40:35 -06:00 |
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Nikolaj Bjorner
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05c267b8d8
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make seq.at operations generic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-03-14 15:37:47 -07:00 |
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Murphy Berzish
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34717a7b6e
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str.extract semantics fix
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2017-03-14 14:14:46 -04:00 |
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Murphy Berzish
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5c9d7538a0
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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
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2017-03-13 14:39:12 -04:00 |
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Nikolaj Bjorner
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c1480b4389
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handle model generation from issue #748. Deal with warnings from #836
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-12-12 00:40:52 +01:00 |
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Nikolaj Bjorner
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7cc093eee0
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Add rewrite rule for property encoded in #812
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-12-11 11:05:12 +01:00 |
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Nikolaj Bjorner
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8e6600c6be
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add python API for newly exposed regex constructors
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-12-09 09:09:03 +01:00 |
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Nikolaj Bjorner
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7a4c20698f
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fix handling of AC operator ++ on regular expressions. Issue #804
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-11-22 13:02:17 -08:00 |
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Nikolaj Bjorner
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5a86815f34
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fix regression in seq-replace rewriting
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-09-11 05:43:16 -07:00 |
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Nikolaj Bjorner
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0b57829bdd
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fix heisenbug, unintialized variable, issue #720
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-09-10 11:04:29 -07:00 |
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Nikolaj Bjorner
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cb140011bc
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add missing rewrite rule. Issue #731
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-09-10 09:42:36 -07:00 |
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Nikolaj Bjorner
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e485d1889c
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update replace semantics
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-09-08 13:59:13 -07:00 |
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Loris D'Antoni
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73bd4acfc5
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added symbolic automata complement for sequences
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2016-07-28 13:50:05 -07:00 |
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Nikolaj Bjorner
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d5ee7e24bc
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add simplification for equalities between itos and constant strings, Issue #589
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-07-08 11:50:39 -07:00 |
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Nikolaj Bjorner
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5b497b6249
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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>
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2016-06-22 20:25:47 -07:00 |
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Nikolaj Bjorner
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45fdb95f53
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fix performance for model construction, recognize concats of values as a value for pre-processing
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-03-23 17:23:57 -07:00 |
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Nikolaj Bjorner
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70f13ced33
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make proto-model evaluation use model_evaluator instead of legacy evaluator
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-03-05 10:14:15 -08:00 |
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Nuno Lopes
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006dc147a8
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fix build with gcc 5
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2016-02-29 14:34:48 +00:00 |
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Nikolaj Bjorner
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df2d7e7628
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add intersection using symbolic automata facility
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-28 17:05:12 -08:00 |
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Nikolaj Bjorner
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ce8862d415
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fix bug in conflict clause generation in seq-branch-variable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-26 18:15:45 -08:00 |
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Nikolaj Bjorner
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d5383e2387
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fix bug in definition of rewrite rule for replace, tighten constraints for tightest-prefix
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-23 18:41:56 -08:00 |
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Nikolaj Bjorner
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e2dc7c6f64
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add note that current re.complement is non-standard
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-12 17:12:43 +00:00 |
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Nikolaj Bjorner
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94453033b6
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add partial support for complementation of regular expressions. Handles case of complementing character ranges
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-12 15:59:33 +00:00 |
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Nikolaj Bjorner
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5b50d98b89
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ensure that seq rewriter gets invoked during pre-processing
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-06 16:13:31 +00:00 |
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Nikolaj Bjorner
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9c7e5c37d1
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add equality propagation based on partial length information to sequence theory. Fix issue #429
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-04 08:12:46 -08:00 |
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Nikolaj Bjorner
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995a2e1a29
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perf tuning based on Chris's examples
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-02-01 07:51:05 -08:00 |
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Nikolaj Bjorner
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6529d43fb1
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fix bugs exposed by unit tests from Pierre
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-26 09:50:14 -08:00 |
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Nikolaj Bjorner
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345f6e87bd
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seq bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-26 07:21:31 -08:00 |
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Nikolaj Bjorner
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924f03c6de
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fixing bugs in seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-23 10:38:49 -05:00 |
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Nikolaj Bjorner
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cccd502a4d
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bug-fixes to sequence theory
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-19 13:57:47 +01:00 |
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Nikolaj Bjorner
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88362a1c3a
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fix bugs in sequence extraction from NFA
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-15 16:32:43 +05:30 |
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Nikolaj Bjorner
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150c5c283d
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update re simplification
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-15 10:11:39 +05:30 |
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Nikolaj Bjorner
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2d41b0e29b
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fix tout -> out. Tune generation of automata transitions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-15 03:31:30 +05:30 |
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Nikolaj Bjorner
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3ff97357a3
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fix back rewriting for concat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-14 11:22:11 +01:00 |
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Nikolaj Bjorner
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de9c959241
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add support for re.nostr, re.all, fix bug in disequality handling of sequences, update signature of loop to handle integer arguments and variable arguments
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-14 10:56:03 +01:00 |
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Nikolaj Bjorner
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a81c7c48d0
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fix build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-14 00:56:52 +01:00 |
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Nikolaj Bjorner
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e0215400e2
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add empty/full regular languages, escape sequence fixes, check cancellation inside simplifier
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-13 20:13:17 +01:00 |
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Nikolaj Bjorner
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57e1d4dc1f
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model generation with strings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-13 10:39:38 +01:00 |
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Nikolaj Bjorner
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9909c056f0
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add range / loop handling for re. Fix regression reading mixed numerals reported by Trentin
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-13 00:49:31 -08:00 |
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Nikolaj Bjorner
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22fbed18cc
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fix regressions exposed by build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-12 11:18:52 -08:00 |
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Nikolaj Bjorner
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db71563478
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fix build compiler warnings on OSX
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-12 09:36:01 -08:00 |
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Nikolaj Bjorner
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0e6aaf0211
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Issue #407 build break
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2016-01-07 20:05:49 -08:00 |
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