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Code Activity
4682 commits 43 branches 51 tags 169 MiB
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750 commits

Author SHA1 Message Date
Nikolaj Bjorner
995a2e1a29 perf tuning based on Chris's examples 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-01 07:51:05 -08:00
Nikolaj Bjorner
2115111dac update display method for datalog to use predicates, throttle use of extensionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 20:23:06 -08:00
Nikolaj Bjorner
30f8110488 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 08:51:04 -08:00
Nikolaj Bjorner
b352d43e50 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-28 08:50:13 -08:00
Nikolaj Bjorner
6529d43fb1 fix bugs exposed by unit tests from Pierre 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 09:50:14 -08:00
Nikolaj Bjorner
345f6e87bd seq bug fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 07:21:31 -08:00
Nikolaj Bjorner
924f03c6de fixing bugs in seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-23 10:38:49 -05:00
Nikolaj Bjorner
993a0434b4 fix warning message for unused variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 23:47:35 -05:00
Nikolaj Bjorner
cccd502a4d bug-fixes to sequence theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 13:57:47 +01:00
Nikolaj Bjorner
c9373ebc9f fix axiomatization for at 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-18 12:01:15 +05:30
Nikolaj Bjorner
85d44c5d66 fix axioms for extract, add extensionality checking for shared variables, convert exceptions to unknown status per #419 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-18 11:09:41 +05:30
Nikolaj Bjorner
01fd3c919b fix tout -> out. Tune generation of automata transitions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 03:32:27 +05:30
Nikolaj Bjorner
2d41b0e29b fix tout -> out. Tune generation of automata transitions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 03:31:30 +05:30
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