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887 commits

Author SHA1 Message Date
Christoph M. Wintersteiger 8370bb8986 removed unused variable 2016-05-23 16:31:57 +01:00
Christoph M. Wintersteiger bf3a5effbc Fixed and refactored fp.min/fp.max for theory_fpa. 
Fixes #616
 2016-05-23 15:38:25 +01:00
Christoph M. Wintersteiger 218e47f34b Removed unused variable 2016-05-22 18:21:28 +01:00
Christoph M. Wintersteiger d4bc8ebb70 FP to BV translation of UFs refactored. 2016-05-22 18:16:57 +01:00
Nikolaj Bjorner 927d714d7b Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-20 13:46:00 -07:00
Nikolaj Bjorner 339cd6e537 mbo 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-20 13:45:50 -07:00
Christoph M. Wintersteiger cae53c3ec2 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-20 19:55:01 +01:00
Christoph M. Wintersteiger 1cc8146aba Bugfixes for FP UFs and arrays. 2016-05-20 19:53:57 +01:00
Nikolaj Bjorner 3a6e6df4f5 fix unused-but-set-variable warnings reported in #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-18 11:02:10 -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
Christoph M. Wintersteiger 71a03dbeb3 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-18 09:58:11 +01:00
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 40f8e16273 removing warnings for unused variables, #579 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 14:00:30 -07:00
Nikolaj Bjorner 96e157e201 fix warnings for unused variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 13:54:22 -07:00
Christoph M. Wintersteiger df81ab72f5 Bug and performance fixes for FP UFs. 2016-05-17 16:35:45 +01:00
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 69ccc02931 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-05-16 08:35:12 -07:00
Nikolaj Bjorner f1b63691d8 Fixing issue #605 rlimit responsiveness in mam 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-16 08:35:04 -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
Christoph M. Wintersteiger bb2c5972c7 Bugfixes for UFs in theory_fpa. 
Fixes #591, but performance issues remain.
 2016-05-14 18:21:53 +01:00
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 91af947863 adding checks for #570 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-03 11:09:05 -07:00
Nuno Lopes 417c80edbc fix mem leak in quantifier_info::insert_qinfo on timeout 2016-04-19 02:17:12 -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
Arie Gurfinkel 44d4902bb4 typo: gt -> ge 2016-04-02 10:13:14 +02:00
Christoph M. Wintersteiger eb9c5b7cdb Disabled bogus assertions. 
Fixes #489
 2016-04-01 13:25:37 +01:00
Christoph M. Wintersteiger 852dc6d190 whitespace 2016-04-01 13:22:16 +01:00
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 f34a54fea0 fix stats collection over exceptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 17:08:13 -07:00
Nikolaj Bjorner 808855ce6b add internalization for auxiliary division functions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 16:20:42 -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 fe4f3e7772 fix regressions exposed in QF_LIA: manager got initialized early and Euclidean solver is not safe even with some throttle 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-23 20:38:18 -07:00
Nikolaj Bjorner 87989dd93e Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-23 17:25:23 -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 ec681d7565 some of Arie's fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-23 10:19:16 -07:00
Nikolaj Bjorner fd6fe87c5d enable qe-lite for UFNIA benchmarks 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-22 15:41:21 -07:00
Nikolaj Bjorner 72ec6dc8e1 remove debug code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-21 16:58:48 -07:00
Nikolaj Bjorner 5e737641b7 remove qe-lite pass in quant_tatics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-21 16:57:30 -07:00
Nikolaj Bjorner 701f32471e hardening model checker code against cancellations' 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-21 15:04:20 -07:00
Nikolaj Bjorner d614fedde2 more merges with qsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:41:41 -07:00
Nikolaj Bjorner 76d637626a include more qsat features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:30:24 -07:00
Nikolaj Bjorner b0f65335ab update copyright year 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-17 13:07:40 -07:00
Nuno Lopes 8b53628d67 remove a few unused decls 2016-03-09 17:01:06 +00:00
Nikolaj Bjorner 809fc86ac7 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-07 16:42:39 -08:00
Nikolaj Bjorner 5994c5a948 fix partial model tracking over cancellation/exceptions, reported by August Shi. Fix regression test for fp-to-real, reset the pre-processor in inc_sat_solver on exceptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-07 16:42:29 -08:00
Nikolaj Bjorner 49d0e28621 allow parameters to overwrite logic, fixes bug report by Nuno 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-07 10:44:06 -08:00
Nikolaj Bjorner 4cd1efc50e address unused variable warnings from OSX build log 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 15:33:33 -08:00
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 6fef24edb4 recursive function definitions; combine model-building functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-03 08:07:06 -08:00
Nikolaj Bjorner 7c6540e18f recursive function definitions; combine model-building functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-03 07:59:03 -08:00
Nikolaj Bjorner a25336a899 fix test build, working on rec-functions and automata complementation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 22:31:44 -08:00
Nikolaj Bjorner 67397bf71e enable logic parameter update to configure SMTLIB logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 09:48:24 -08:00
Nikolaj Bjorner 7f51ecab37 enable logic parameter update to configure SMTLIB logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 09:26:14 -08:00
Nikolaj Bjorner 908f09a9df update logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-01 08:46:43 -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 1c630ccc9a Merge branch 'master' of https://github.com/Z3Prover/z3 into HEAD 2016-02-26 18:15:57 -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
Nuno Lopes d642d5fe4c API: add smt.logic parameter to enable setting the logic through the API 
currently only Z3_solver_set_params() is supported
logic has to be set before solver first usage or before solver reset
 2016-02-25 09:47:51 +00:00
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 a6e1c70eab fix documentation/default bug. #445 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-10 15:02:22 +00:00
Dan Liew ea900db337 Explicitly state what the units of the timeout parameter for the "smt" 
module are.
 2016-02-10 11:35:15 +00:00
Nikolaj Bjorner 60c0e73b2f Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-09 11:08:52 +00:00
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
Christoph M. Wintersteiger a2f376f9d6 Fixed memory leak in theory_fpa. Relates to #436 2016-02-08 17:17:49 +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 5b50d98b89 ensure that seq rewriter gets invoked during pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-06 16:13:31 +00:00
Nikolaj Bjorner 2a65503235 fix #425 and report from Patrick Trentin of same bug in preprocessing soft constraints that are simplified to true/false 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-04 22:35:02 +00:00
Nikolaj Bjorner 768bb84798 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-04 08:12:56 -08:00
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
Christoph M. Wintersteiger 4e37821dde "canceled" -> Z3_CANCELED_MSG 
Relates to #431
 2016-02-04 13:52:43 +00:00
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 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