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5158 commits 24 branches 48 tags 158 MiB
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4160 commits

Author SHA1 Message Date
Nikolaj Bjorner
a295dd48dc add seq_rewriter to model_evaluator, remove th_rewriter additional step in validator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 04:02:48 +05:30
Nikolaj Bjorner
7cbd59bf06 enhance model validation to invoke rewriter if result isn't true using the simplify-based model evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 03:40:33 +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
Mikolas Janota
c6df8b3128 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-14 15:25:04 +00:00
Mikolas Janota
7ec13166b1 Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-01-14 14:21:28 +00:00
mikolas
d97e2b432c Ackermann run on separate assertions rather than an AND thereof. 2016-01-14 14:11:11 +00:00
Christoph M. Wintersteiger
0f082578cb Debug-fix for theory_seq. Fixes #418. 2016-01-14 13:07:48 +00:00
Nikolaj Bjorner
3ff97357a3 fix back rewriting for concat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-14 11:22:11 +01:00
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
a81c7c48d0 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-14 00:56:52 +01:00
Nikolaj Bjorner
2f0a049df8 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-13 20:13:29 +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
Mikolas Janota
a5ea17f1e3 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-13 18:22:58 +00:00
Christoph M. Wintersteiger
357ec9e7d1 Changed FP significand/exponent functions to return non-normalized results. Clarified function remarks. Relates to #383. 2016-01-13 16:32:32 +00:00
Mikolas Janota
094d357b07 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-13 12:10:36 +00:00
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
f8971362c8 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-12 11:19:04 -08:00
Nikolaj Bjorner
22fbed18cc fix regressions exposed by build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 11:18:52 -08:00
Christoph M. Wintersteiger
f093ebe44c Optimization for initialization of mpf's from tiny reals. 2016-01-12 19:06:53 +00:00
Nikolaj Bjorner
db746e0c2f fix more unused variable warning messages 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 09:52:16 -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
Nikolaj Bjorner
01c3e02e99 fix query for non-relational engines 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 07:57:10 -08:00
Mikolas Janota
613edfc107 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-12 13:19:29 +00:00
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
739c90779b Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-11 19:16:16 -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
79a5b133d7 fix debugging code in ast.cpp to take into account that literals may be repeated 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-11 11:04:44 -08:00
Christoph M. Wintersteiger
d4efa3753c Optimization for real to float conversion. Relates to #383. 2016-01-11 18:54:07 +00:00
Mikolas Janota
b26e4b1516 Merge remote-tracking branch 'upstream/master' into lackr 2016-01-11 18:27:47 +00:00
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
Mikolas Janota
edf6d63a0b Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-01-11 17:23:13 +00:00
mikolas
bbdd5ab96f Merge branch 'lackr' of github.com:MikolasJanota/z3 into lackr 2016-01-11 17:18:56 +00:00
mikolas
b46f312115 A proper model converter for the lazy mode. 2016-01-11 17:18:22 +00:00
Nikolaj Bjorner
131f9e2247 change queries to take function names instead of arbitrary predicates. This allows to bypass issues with having arbitrary query expressions compiled in arbitrary ways to auxiliary predicates where names of bound variables are reshuffled. See also Stackoverflow http://stackoverflow.com/questions/34693719/bug-in-z3-datalog 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-10 20:43:41 -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
03cef7b03c add some conveniences for expressing string constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-08 16:19:32 -08:00
Nikolaj Bjorner
e1ade258a0 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-08 16:07:58 -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
52284922a0 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-08 13:39:34 -08:00