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737 commits

Author SHA1 Message Date
Christoph M. Wintersteiger 0f082578cb Debug-fix for theory_seq. Fixes #418. 2016-01-14 13:07:48 +00:00
Nikolaj Bjorner de9c959241 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>
2016-01-14 10:56:03 +01:00
Nikolaj Bjorner e0215400e2 add empty/full regular languages, escape sequence fixes, check cancellation inside simplifier
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-13 20:13:17 +01:00
Nikolaj Bjorner 57e1d4dc1f model generation with strings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-13 10:39:38 +01:00
Nikolaj Bjorner 9909c056f0 add range / loop handling for re. Fix regression reading mixed numerals reported by Trentin
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-13 00:49:31 -08:00
Nikolaj Bjorner 9a6fe93e6c re-enable feature that lets Z3 solver mixed integer/real constraints with additional information tha texpressions with sort real can only take integer values. Fixes regression on epsilon.smt2
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-12 12:42:18 -08:00
Nikolaj Bjorner e2d54940b4 revert mixed integer/real handling pending fix to equality propagation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-12 12:11:27 -08:00
Nikolaj Bjorner 985fc50961 breaking regression tests: ensure that model values are of the sort of the original expression.
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-12 09:48:43 -08:00
Nikolaj Bjorner db71563478 fix build compiler warnings on OSX
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-12 09:36:01 -08:00
Nuno Lopes 08139d1ab1 fix build with gcc 2016-01-12 08:48:41 +00:00
Nikolaj Bjorner 3bf8b17b96 remove std::cout
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-11 19:22:11 -08:00
Nikolaj Bjorner e22ac712b0 add model construction for disequations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-11 16:53:29 -08:00
Nikolaj Bjorner a156028d82 pin expressions per Sarah Winkler's memory leak report
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-11 09:46:10 -08:00
Nikolaj Bjorner d4c98c1ab4 Corrected fix to #354: The parameters got shared between the MBQI checker and main context, overriding m_array_laziness to 0 which caused missing propagations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-11 09:38:05 -08:00
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 fce286db91 Issue #354. Fix unsoundness in Array theory based on missing propagation of selects over ite expressions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-10 17:11:12 -08:00
Nikolaj Bjorner 0df4931c4b dealing with issue #402
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-09 15:43:47 -08:00
Nikolaj Bjorner 20cfbcd66b dealing with issues #402 #399 #258
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-09 13:29:44 -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
Nikolaj Bjorner 4939957f6a check that disequations are solved
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-08 16:07:42 -08:00
Nikolaj Bjorner 3d01246f71 Skip propagation on bits that have not (yet) been fixed by the SAT core: congruence closure for bits has not necessarily propagated to all bit positions when a bit in a congruence class gets fixed.
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-08 08:17:18 -08:00
Nikolaj Bjorner 0e6aaf0211 Issue #407 build break
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-07 20:05:49 -08:00
Nikolaj Bjorner ad778f87c7 change data-structures to concanetation decomposition normal form
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-07 16:03:37 -08:00
Nikolaj Bjorner 0c2334417c fix build warnigs with && vs ||, tuning seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-07 06:53:00 -08:00
Nikolaj Bjorner 643999860d fix memory leak in SAT solver exposed by regression tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-06 17:32:54 -08:00
Nikolaj Bjorner 00f3a1fe81 fix memory leak in SAT solver exposed by regression tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-06 11:47:45 -08:00
Nikolaj Bjorner aec5a38b14 fix memory leak in SAT solver exposed by regression tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-06 11:44:55 -08:00
Christoph M. Wintersteiger d176c8714a Merge branch 'master' of https://github.com/Z3Prover/z3 into jan4 2016-01-05 16:38:12 +00:00
Nikolaj Bjorner af758dea4a tuning for seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-05 08:23:44 -08:00
Christoph M. Wintersteiger 8b47a84598 Merge branch 'master' of https://github.com/Z3Prover/z3 into jan4 2016-01-05 11:34:35 +00:00
Nikolaj Bjorner 2c1d2aad44 seq, API
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-04 22:06:32 -08:00
Nikolaj Bjorner c1ebf6b4fc seq + API
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-04 18:01:48 -08:00
Christoph M. Wintersteiger 677ff221f8 Internal consistency: FP exponents are always passed before significands. 2016-01-04 18:57:15 +00:00
Nikolaj Bjorner 68a532d066 seq, API
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-03 20:53:06 -08:00
Nikolaj Bjorner a3c4972c85 seq API, tuning
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-03 17:16:13 -08:00
Nikolaj Bjorner e10ecad5dc seq API
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-02 22:52:28 -08:00
Nikolaj Bjorner 5e553a4dc1 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-02 13:32:44 -08:00
Nikolaj Bjorner 876fd1f7ba seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-01 09:00:21 -08:00
Nikolaj Bjorner 6c6d1d92c4 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-31 16:10:41 -08:00
Nikolaj Bjorner 78550ec816 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-31 07:48:14 -08:00
Nikolaj Bjorner 746d26e744 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-29 21:14:52 -08:00
Nikolaj Bjorner bd9b5b5735 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-29 10:13:19 -08:00
Nikolaj Bjorner e2fab0a555 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-28 18:15:48 -08:00
Nikolaj Bjorner 739043e273 seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-28 10:28:43 -08:00
Nikolaj Bjorner 071a654a9a seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-27 04:41:25 -08:00
Nikolaj Bjorner 31302ec851 automata
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-25 15:22:26 -08:00
Nikolaj Bjorner 4a5b645d88 automata
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-25 05:37:24 -08:00
Nikolaj Bjorner 659a7ede84 automata
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-25 04:25:23 -08:00
Nikolaj Bjorner 65d147106e automata
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-24 12:01:59 -08:00
Nikolaj Bjorner 1bbf7813b0 automata
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-24 03:30:02 -08:00