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316 commits

Author SHA1 Message Date
Nikolaj Bjorner 2d8325ed43 fix axiomatization of str.replace. Fixes issue #703 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-20 06:05:13 -07:00
Nikolaj Bjorner 60711bb0cd deal with model construction, issue #684. fix model construction for ite #678. WIth this version, issue #686 does not repro 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-20 12:18:07 -07:00
Nikolaj Bjorner bdbf1c9bf4 add support for default semantics for stoi (non-integer strings map to -1). Issue #670 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 10:45:19 -07:00
Nikolaj Bjorner 5b497b6249 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>
 2016-06-22 20:25:47 -07:00
Nikolaj Bjorner eab5a84f62 fix issues with int.to.str and seq.len encodings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-02 20:57:52 -07:00
Nikolaj Bjorner 39acd3594a test variants for seq_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-30 18:15:10 -07:00
Nikolaj Bjorner f03032bd09 updated seq solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-29 14:01:05 -07:00
Nikolaj Bjorner cddf8091b5 strengthen support for int.to.str and length reasoning. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-28 12:36:50 -07:00
Nikolaj Bjorner c3f498a640 strengthen support for int.to.str and length reasoning. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-28 12:26:47 -07:00
Nikolaj Bjorner 85be486c1e add ite reduction to canonizer, remove it from ad-hoc routine 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-18 09:58:34 -07:00
Nikolaj Bjorner cc3bfe8da2 removing warnings for unused variables, #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 16:02:08 -07:00
Nikolaj Bjorner 09b8c0e7fa removing warnings for unused variables, #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 15:59:06 -07:00
Nikolaj Bjorner ec565ae7a0 fixes to #596 and #592: use exponential step increments on integer problems, align int.to.str with canonizer and disequality checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 01:00:42 -07:00
Nikolaj Bjorner 10cdd527ca strengthening length properties for int.to.str. Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-15 12:27:04 -07:00
Nikolaj Bjorner d11d9bd1de avoid crash on quantifiers + sequences 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-03 16:24:12 -07:00
Nikolaj Bjorner c3f4124a9f trace down recent exposed regression in goal2sat, incorporate Scott's suggestion on making vector<std::string inaccessible 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 14:50:10 -07:00
Nikolaj Bjorner 81232808ba add handling for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 11:17:33 -07:00
Nikolaj Bjorner 4761f4f191 add handling for int.to.str 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-18 11:14:40 -07:00
Nikolaj Bjorner c454b81b2c special case branching 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-05 11:57:49 +02:00
Nikolaj Bjorner ed1a5797fb check that a clause was not removed to fix issue #551 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-04 20:15:49 +02:00
Nikolaj Bjorner 33e7640645 disable mb branching pending unit test analysis 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-03 10:53:37 +02:00
Nikolaj Bjorner 03336ab9f2 add evaluation of array equalities to model evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-04-02 15:07:01 +02:00
Nikolaj Bjorner 0870b4a5a0 add length coherence check for length = 0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-25 17:17:34 -07:00
Nikolaj Bjorner 29845d037b fix build break on seq evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:48:42 -07:00
Nikolaj Bjorner 45fdb95f53 fix performance for model construction, recognize concats of values as a value for pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-23 17:23:57 -07:00
Nikolaj Bjorner 70f13ced33 make proto-model evaluation use model_evaluator instead of legacy evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 10:14:15 -08:00
Nikolaj Bjorner df2d7e7628 add intersection using symbolic automata facility 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-28 17:05:12 -08:00
Nikolaj Bjorner e659845bc0 tune handling of contains, avoid redundant equalities, merge use of indexof.left/right with contains.left/right adding only least-ness constraints in the context of index 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-27 09:56:11 -08:00
Nikolaj Bjorner ce8862d415 fix bug in conflict clause generation in seq-branch-variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-26 18:15:45 -08:00
Nikolaj Bjorner 4c408165ab Merge branch 'master' of https://github.com/Z3Prover/z3 into HEAD 2016-02-24 08:55:28 -08:00
Nikolaj Bjorner 5679fb5d6b experimenting with alternative prefix encodings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-24 08:55:22 -08:00
Nikolaj Bjorner d5383e2387 fix bug in definition of rewrite rule for replace, tighten constraints for tightest-prefix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-23 18:41:56 -08:00
Nikolaj Bjorner c7abc11ce0 Merge branch 'master' of https://github.com/Z3Prover/z3 into HEAD 2016-02-19 08:23:32 -08:00
Nikolaj Bjorner bff10527d1 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-19 08:23:27 -08:00
Nikolaj Bjorner a073b37ce3 fix bugs in seq solver: add relevancy and axiom 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-18 18:10:16 -08:00
Nikolaj Bjorner 5962ca2a62 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-18 12:08:35 -08:00
Nikolaj Bjorner 67958efed2 add fixed length heuristic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-17 21:20:39 -08:00
Nikolaj Bjorner 133e3693de fix bug in replace built-in and move length-equality propagation to branch final check 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-09 11:08:33 +00:00
Nikolaj Bjorner 677b4bf4fe fix #436, adding more length-based propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-07 14:43:53 +00:00
Nikolaj Bjorner 9c7e5c37d1 add equality propagation based on partial length information to sequence theory. Fix issue #429 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-04 08:12:46 -08:00
Nikolaj Bjorner 9b979b6e1e more string optimizations based on Chris' examples 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-01 17:08:11 -08:00
Nuno Lopes b9c0578eea fix build on C++98 compilers 2016-02-01 17:12:22 +00:00
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 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 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 e22ac712b0 add model construction for disequations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-11 16:53:29 -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 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 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
Nikolaj Bjorner af758dea4a tuning for seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 08:23:44 -08:00
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
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
Nikolaj Bjorner f414869456 add symbolic automaton 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-23 19:46:10 -08:00
Nikolaj Bjorner 386399472d seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-23 11:02:34 -08:00
Nikolaj Bjorner 9c6271dded add debugging facilities for github issues #384 #367 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-22 10:43:18 -08:00
Nikolaj Bjorner 65da0f9f3a updated seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-21 06:07:50 -08:00
Nikolaj Bjorner 284fcc2c04 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-20 09:43:56 +02:00
Nuno Lopes dbc1a84d6a fix warning with MSVC++ 64 2015-12-15 18:36:01 +00:00
Nikolaj Bjorner b1459f4fa3 fix build warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-15 04:57:32 +02:00
Nikolaj Bjorner 43bc6caa55 fix warning messages 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-15 04:11:11 +02:00
Nikolaj Bjorner f3d94db889 bild on gcc #376 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-13 23:47:45 -08:00
Nikolaj Bjorner 72883df134 fix build, add seq features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-13 16:02:17 -08:00
Nikolaj Bjorner 3c50508762 use ADT for strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 20:46:28 -08:00
Nikolaj Bjorner a7e2fb31e3 updates to resource exceptions, update master possibly handle pull request issue 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 11:36:49 -08:00
Nikolaj Bjorner 58411f64e8 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 20:25:12 -08:00
Nikolaj Bjorner 5eb23e1e7a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 19:20:16 -08:00
Nikolaj Bjorner 30580a012a seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 02:38:56 -08:00
Nikolaj Bjorner d81186eaca seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-10 01:36:17 -08:00
Nikolaj Bjorner f9ca66d90b seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 23:19:16 -08:00
Nikolaj Bjorner d58c219b54 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 22:18:02 -08:00
Nikolaj Bjorner c5a9d81d93 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 20:17:00 -08:00
Nikolaj Bjorner fe1039d12f seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 14:48:50 -08:00
Nikolaj Bjorner 0e701138e1 disable restart code in seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 09:53:18 -08:00
Nikolaj Bjorner b9302e6caf seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 00:38:03 -08:00
Nikolaj Bjorner 94bd2fdbe4 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 21:03:28 -08:00
Nikolaj Bjorner 24de0a9b90 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 16:37:08 -08:00
Nikolaj Bjorner 6c2e7e7675 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 16:03:24 -08:00
Nikolaj Bjorner 932a3a8387 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 13:27:17 -08:00
Nikolaj Bjorner 895d032996 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 10:33:09 -08:00
Nikolaj Bjorner 5aabc64312 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 08:11:00 -08:00
Nikolaj Bjorner ca96fea2c0 add seq methods 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-07 16:28:20 -08:00