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663 commits

Author SHA1 Message Date
Murphy Berzish 48081864b0 add regex validation in str_rewriter 2016-08-16 18:07:31 -04:00
Christoph M. Wintersteiger e8141aaa84 debug fixes 2016-08-12 19:52:59 +01:00
Murphy Berzish 3dff240bb3 theory_str model validation for Length 2016-08-07 15:50:41 -04:00
Murphy Berzish cb566ad5ce fix model validation for theory_str 2016-08-07 15:43:08 -04:00
Nikolaj Bjorner 4958edeb42 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-28 19:40:49 -07:00
Loris D'Antoni 73bd4acfc5 added symbolic automata complement for sequences 2016-07-28 13:50:05 -07:00
Nikolaj Bjorner b7de813c63 set solver on simplify command 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-27 15:35:44 -07:00
Murphy Berzish 0f38203779 add RegexCharRange to theory_str 2016-07-19 16:39:43 -04:00
Murphy Berzish 9ffcd135d5 add RegexPlus to theory_str 2016-07-19 15:47:41 -04:00
Nikolaj Bjorner 3a70b6aab4 fix model generation, add rewrite rules for sin(acos(x)) reduction to help model validation. Issue #680 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-13 11:12:27 -07:00
Nikolaj Bjorner d5ee7e24bc add simplification for equalities between itos and constant strings, Issue #589 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-08 11:50:39 -07:00
Nikolaj Bjorner 30cf0d19eb use of mk_bool_val 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:11:45 -07:00
Nikolaj Bjorner f72d9c25c6 merge with update to bv rewriter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:08:01 -07:00
Christoph M. Wintersteiger 70301ad3c8 Added bv*mul_no*flow handling in bv_rewriter. 
Fixes #657.
 2016-06-24 16:25:11 +01:00
Nikolaj Bjorner 67ea78a4a5 Add basic MARCO example 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 08:00:23 -07:00
Nikolaj Bjorner 914bf2ff3b extend constant folding for bit-vector overflow/underflow operators, #657 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 07:43:05 -07:00
Christoph M. Wintersteiger 0a575936d0 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-06-23 19:31:08 +01:00
Christoph M. Wintersteiger 8bde7b8a4c Added facilities for dumping smt_params for debugging purposes 2016-06-23 19:31:00 +01:00
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
Murphy Berzish 4c34629806 starting regex support, rewriter 2016-06-21 21:13:16 -04:00
Murphy Berzish 5b3c868c90 theory_str Replace method 2016-06-15 21:14:54 -04:00
Murphy Berzish 7c8b882ae6 decl and rewriter support for LastIndexof in theory_str (WIP) 2016-06-15 18:04:33 -04:00
Murphy Berzish dc5a334d42 support for Indexof2 in theory_str 2016-06-15 17:37:17 -04:00
Murphy Berzish db2a5854e9 decl and rewriter for Indexof (WIP) 2016-06-14 20:10:06 -04:00
Murphy Berzish a3986d6d0e decl and rewriter support for Contains (WIP) 2016-06-14 18:36:43 -04:00
Murphy Berzish fd38b4c729 EndsWith decl and rewriter, WIP 2016-06-14 17:55:46 -04:00
Nikolaj Bjorner bfe26390f0 fix bug introduced when hiding unused variables in 96e157e, reported by Mikolas Janota 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-14 08:12:32 -07:00
Murphy Berzish 7d8e54c50f decl and rewriter for string StartsWith 2016-06-13 22:27:46 -04:00
Murphy Berzish be5cc02a45 working axiomatization for CharAt 2016-06-13 21:57:08 -04:00
Murphy Berzish 389845180c add CharAt to theory_str and basic rewrite rule for constant CharAt exprs 2016-06-13 16:34:24 -04:00
Murphy Berzish 7d09dbb8ec basic infrastructure for string rewriting 2016-06-12 20:46:52 -04:00
Christoph M. Wintersteiger 617e941015 fp2bv refactoring 2016-05-23 18:10:17 +01:00
Christoph M. Wintersteiger b6d90a64da fpa rewriter tidy up 2016-05-21 18:07:37 +01:00
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 1aa3fdab8a remove min/max, use qmax; disable cancellation during model evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-19 13:04:20 -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 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
Nuno Lopes 0286cee450 simplify th_rewriter::mk_eq_value() 2016-05-05 11:00:21 +01:00
Christoph M. Wintersteiger 5971c20653 Bugfixes for bv_trailing. 2016-04-07 13:08:17 +01:00
Nuno Lopes e2b7ad246a bv_trailing: fix compiler warning + use of ast_manager 2016-04-06 15:34:31 +01:00
Mikolas Janota dbffc15b98 Improvements in caching of bv_trailing. 2016-04-06 11:04:15 +01:00
mikolas 9ba5bbfd33 Re-factoring and comments in bv_trailing. 2016-04-06 11:04:13 +01:00
Mikolas Janota 248feace34 fixing the behavior in bv_trailing 2016-04-06 11:04:11 +01:00
mikolas fced47386e More work on trailing 0 analysis. 2016-04-06 11:04:09 +01:00
mikolas ddb6ae4eab More work on trailing 0 analysis. 2016-04-06 11:04:07 +01:00
mikolas 78cb1e3c7b More work on trailing 0 analysis. 2016-04-06 11:04:05 +01:00
mikolas c7f1746321 Starting to work on trailing 0 analysis. 2016-04-06 11:04:03 +01:00
mikolas 05ce886afe Avoiding adding spurious +0 in poly_rewriter::cancel_monomials. 2016-04-05 17:26:48 +01:00
Nikolaj Bjorner 709a5d9524 fix bug: & -> && 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 16:09:12 -07:00
Nikolaj Bjorner 89fad8913f fix issue #535 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:16:54 -07:00
Nikolaj Bjorner 05a784fa9e fix issue #535 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-24 08:16:19 -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 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 20bbdfe31a moving remaining qsat functionality over 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 15:35:26 -07:00
Nikolaj Bjorner f175f864ec merge useful utilities from qsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:01:44 -07:00
Nikolaj Bjorner b0f65335ab update copyright year 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-17 13:07:40 -07:00
Christoph M. Wintersteiger c8af48d7ef Bugfix for bvurem0 model evaluation (+1 rewriting step) 2016-03-17 13:09:52 +00:00
Christoph M. Wintersteiger 6b2d84b2be Fixed model evaluation/simplification for to_ieee_bv. 2016-03-16 17:46:52 +00:00
Christoph M. Wintersteiger 7ec70c1686 bug fixes for unspecified FP results 2016-03-16 16:57:20 +00:00
Christoph M. Wintersteiger db6b9faabc Bugfix for FPA rewriter. 2016-03-16 16:35:45 +00:00
Christoph M. Wintersteiger cdc8e1303a Bugfix for fp.to_*_unspecified. 
Fixes #507
 2016-03-16 16:16:29 +00:00
Christoph M. Wintersteiger 99d7a47f82 Bugfixes for unspecified results from fp.to_* (models are still incomplete). 
Relates to #507
 2016-03-15 21:45:54 +00:00
Christoph M. Wintersteiger 371573cbff More implementation of fp.to_ieee_bv for unspecified input/output 
Relates to #507
 2016-03-15 15:11:37 +00:00
Christoph M. Wintersteiger 176782d62b Bugfix for fp.to_ieee_bv for unspecified input/output. 2016-03-15 14:38:11 +00:00
Christoph M. Wintersteiger b5279d1da8 Bugfix for fp.to_ieee_bv. 
Fixes #507.
 2016-03-11 12:35:41 +00:00
Nuno Lopes 9c620376c2 simplify ast::are_equal(), since pointer equality is sufficient 2016-03-07 13:15:12 +00:00
Nikolaj Bjorner aa1ddd169a fix bug in offset for shift amount for free bindings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 15:25:14 -08:00
Nikolaj Bjorner 640308b546 make proto-model evaluation use model_evaluator instead of legacy evaluator 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-05 10:27:19 -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
Zephyr Pellerin b13db1e82e Bugfix for arith_rewriter single operand division 2016-03-04 18:26:00 -08:00
Christoph M. Wintersteiger dbf9609b4c added assertion 2016-03-02 18:06:14 +00:00
Christoph M. Wintersteiger f128c76f23 whitespace 2016-03-02 18:05:14 +00:00
Nuno Lopes 006dc147a8 fix build with gcc 5 2016-02-29 14:34:48 +00:00
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 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 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
Nuno Lopes 73da4dda07 add a bv rewrite pattern: 
(bvsle (- x (srem x c1)) c2) -> (bvsle x (+ c1 c2 - 1))
 2016-02-18 17:45:55 +00:00
Nikolaj Bjorner e2dc7c6f64 add note that current re.complement is non-standard 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 17:12:43 +00:00
Nikolaj Bjorner 94453033b6 add partial support for complementation of regular expressions. Handles case of complementing character ranges 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-12 15:59:33 +00:00
Nikolaj Bjorner fc1f37efc9 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-06 16:14:07 +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
Christoph M. Wintersteiger ac19bfb032 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-05 13:53:41 +00:00
Christoph M. Wintersteiger bb5118acbb Bugfix for bv*div0 model construction. 2016-02-05 13:53:35 +00:00
Christoph M. Wintersteiger 21b85c27e1 whitespace 2016-02-05 13:47:14 +00:00
Nikolaj Bjorner cf970fd76a Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-02-05 10:59:24 +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 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 fe6799699c Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-01 07:51:26 -08:00
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
Nuno Lopes cc6769c866 improve bit-blasting for the case (bvsrem var power-of-two) 
We will now transform bvsrem into an extract + zero extend
Gives ~40% speedup in selected benchmarks

Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2016-02-01 13:46:55 +00:00
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 cccd502a4d bug-fixes to sequence theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-19 13:57:47 +01:00
Nikolaj Bjorner 88362a1c3a fix bugs in sequence extraction from NFA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 16:32:43 +05:30
Nikolaj Bjorner 150c5c283d update re simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-15 10:11:39 +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
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 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 22fbed18cc fix regressions exposed by build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-12 11:18:52 -08:00
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 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 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 da63ac809e Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-05 10:16:12 -08:00
Nikolaj Bjorner fafdbfaf0e reset out_bits when blasting multiplication of bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 10:16:02 -08:00
Christoph M. Wintersteiger 8b8dc95986 Merge pull request #398 from wintersteiger/jan4 
Improvements for the FPA API.
 2016-01-05 18:08:05 +00:00
Nikolaj Bjorner 9dfcaaa01d reset out_bits when blasting multiplication of bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 10:07:44 -08:00
Christoph M. Wintersteiger de3cb7e5dc More FPA exponent/siginficand order consistency 2016-01-05 18:05:21 +00:00
Christoph M. Wintersteiger 1610e4fbd0 Merge branch 'master' of https://github.com/Z3Prover/z3 into jan4 2016-01-05 17:45:35 +00:00
Nikolaj Bjorner ee157e47e4 fix crash caused by recycling variable names. Stackoverflow segfault-in-bv-rewritermk-mul-eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 09:19:21 -08:00
Nikolaj Bjorner 65de39f403 disabling mk_const_case_multiplier until debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-05 08:45:10 -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 3f040dbd23 remove std::cout usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-04 22:26:54 -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
Christoph M. Wintersteiger 05b29df2cb Bugfix for FP API 2016-01-04 21:01:01 +00:00
Christoph M. Wintersteiger 677ff221f8 Internal consistency: FP exponents are always passed before significands. 2016-01-04 18:57:15 +00:00
Nikolaj Bjorner 0c03a87c82 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-03 14:08:29 -08:00
Nikolaj Bjorner b5969326bc seq API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-02 23:31:36 -08:00
Nikolaj Bjorner 876fd1f7ba seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-01 09:00:21 -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 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 f414869456 add symbolic automaton 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-23 19:46:10 -08:00
Christoph M. Wintersteiger 077e801590 Assertion fix. Relates to #383. 2015-12-23 13:41:52 +01:00
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 8e26c97782 tuning bit-vector operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-21 13:09:03 +02:00
Nikolaj Bjorner 284fcc2c04 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-20 09:43:56 +02:00
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 4132fc2d91 ensure limit children are safe for race conditions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 10:18:51 -08:00
Nikolaj Bjorner 2a051719d8 cleanup deprecated critical sections, fix cancellation for par_or_else tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-12 09:43:00 -08:00
Nikolaj Bjorner c97db1722d fix index into reversed contains semantics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 22:00:01 -08:00
Nikolaj Bjorner 1aea9722cb moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:56:23 -08:00
Nikolaj Bjorner baee4225a7 reworking cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:21:24 -08:00
Nikolaj Bjorner 32b6b2da44 moving to resource managed cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 13:13:11 -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 f9ca66d90b seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 23:19:16 -08:00
Nikolaj Bjorner c5a9d81d93 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 20:17:00 -08:00
Nikolaj Bjorner 035f2bb0da disable unsound simplification of root objects, and incorrect evaluation of negative even roots 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-09 08:41:59 -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 895d032996 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 10:33:09 -08:00
Nikolaj Bjorner 2b190039d5 Merge branch 'master' of https://github.com/Z3Prover/z3 2015-12-08 03:35:03 -08:00
Nikolaj Bjorner e7687132ed seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-08 03:34:58 -08:00
Nikolaj Bjorner ca96fea2c0 add seq methods 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-07 16:28:20 -08:00
Nikolaj Bjorner a9f5c2f864 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-07 15:01:46 -08:00
Nikolaj Bjorner 03d1391ded merge seq and string operators 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 23:37:37 -08:00
Nikolaj Bjorner 8bb73c8eae merge seq and string operators 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 23:34:28 -08:00
Nikolaj Bjorner 08bfd08412 merging seq and string 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 22:15:56 -08:00
Nikolaj Bjorner 89fe24342d fix size_t mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 11:06:58 -08:00
Nikolaj Bjorner 40e9e4c7f8 more rewrites 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-06 10:44:19 -08:00
Nikolaj Bjorner 4fe0e07080 indexof 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 16:36:11 -08:00
Nikolaj Bjorner 5296009f46 ground string rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 15:38:54 -08:00
Nikolaj Bjorner 75359c580e add basic rewriting to strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-05 12:02:33 -08:00
Christoph M. Wintersteiger 5f8f0b1280 Added bool rewriter case. 2015-11-12 14:49:21 +00:00
Christoph M. Wintersteiger 87ae5888ee whitespace 2015-11-12 14:48:29 +00:00
Christoph M. Wintersteiger 1807acdf26 tabs, whitespace 2015-11-09 17:50:50 +00:00
Christoph M. Wintersteiger bd94b59a92 Bugfix for arith rewriter to avoid rewriting loops. 2015-11-03 13:00:10 +00:00
Christoph M. Wintersteiger 27140c527c trailing whitespace 2015-11-03 12:56:29 +00:00
Christoph M. Wintersteiger 92152b16ca Bugfixes for model verification of unspecified values of fp.min/fp.max 2015-11-02 19:25:44 +00:00
Nikolaj Bjorner 7838213675 eliminate to_real coersions to make mixed integer problems easier to digest. Issue #277 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-30 15:12:21 -07:00
Christoph M. Wintersteiger 8fffa9f188 Removed trailing whitespace. 2015-10-30 12:20:41 +00:00
Christoph M. Wintersteiger 9b5abcd55a Improved support for FPA unspecified min/max values, model validation, and proof generation. 2015-10-25 13:10:40 +00:00
Christoph M. Wintersteiger ca496f20cb Partial refactoring of fpa2bv conversion to support proofs. 2015-10-25 13:10:40 +00:00
Christoph M. Wintersteiger 099775947e Partial fix for fp,min/fp.max models 2015-10-25 13:10:40 +00:00
Nuno Lopes 0e387b2abe use Z3_fallthrough instead of __falthrough directly to avoid messing with reserved identifiers 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-10-09 18:06:49 +01:00
Christoph M. Wintersteiger de39173f6f Corrected unspecified behavior of fp.min/fp.max corner cases in fpa2bv_converter and in theory_fpa. 
Fixes #68
 2015-10-07 20:44:08 +01:00
Christoph M. Wintersteiger 8a026c355f Corrected unspecified behavior of corner cases in fp.min/fp.max. 
Partially addresses #68.
 2015-10-07 20:39:36 +01:00
Nikolaj Bjorner d9b6623400 include rlimit in nlsat, include dedicated error message, for issue #216 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-29 09:16:46 -07:00
Nikolaj Bjorner 9b3e242990 adding rlimit resource limit facility to provide platform and architecture independent method for canceling activities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-28 13:37:59 -07:00
Christoph M. Wintersteiger 79d69cd5f0 Added FP to_ieee_bv to fpa_rewriter to enable model evaluation. 2015-09-16 12:57:05 +01:00
Christoph M. Wintersteiger a1073206f9 Bugfix for FP rewriter. 2015-09-15 16:23:24 +01:00
Christoph M. Wintersteiger 25f75b60fe Bugfix for fp.mul and fp.fma for small numbers of e/s bits. 
Fixes #215.
 2015-09-10 11:37:06 +01:00
Nikolaj Bjorner cc5d719d9e enable incremental bit-vector solving 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-01 09:48:35 -07:00
Nikolaj Bjorner ef7915858b add filter to detect circumventing the default semantics of bit-vector division with the use of the sat-based bit-vector solver. Provides a way to fix issue #190 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 16:27:07 -07:00
Nikolaj Bjorner 8505ca843b recognize more pb patterns 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-08 13:39:39 +02:00
Nikolaj Bjorner 4bc044c982 update header guards to be C++ style. Fixes issue #9 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-08 23:18:40 -07:00
Nuno Lopes b65d5797f8 optimize expr_safe_replace for when a subexpression has no substitutions 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-03 17:21:01 +01:00
Christoph M. Wintersteiger fec815b41e Various variable renamings to avoid conflicts with previously defined local variables, function parameters, or members (Visual Studio 2015 warnings). 2015-05-29 18:13:39 +01:00
Christoph M. Wintersteiger 9428acd578 Bugfix for FPA rewriter. 2015-05-29 13:58:33 +01:00
Christoph M. Wintersteiger 7619d609f9 FPA min/max -+0.0 special cases changed to +0.0 instead of second argument. 
Fixes #68
 2015-05-28 12:20:48 +01:00
Christoph M. Wintersteiger eee076b9f8 Bugfixes for fp.min, fp.max. 
Fixes the fix for #68
 2015-05-21 18:16:02 +01:00
Matthias Schlaipfer c82319b358 Refactor count_vars and count_rule_vars 
ast_manager m was not used
 2015-05-14 17:04:38 +01:00
Nikolaj Bjorner ab5022888c Merge branch 'opt' of https://github.com/Z3Prover/z3 into unstable 2015-05-14 12:11:17 +01:00
Christoph M. Wintersteiger 73eb7cbf5c Bugfix for mpf roundToIntegral. 
Partially fixes #69
 2015-05-05 23:53:33 +01:00
Christoph M. Wintersteiger 57af3a4c6e FPA min/max refactoring and fixes. 
Fixes #68

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-05-04 13:47:04 +01:00
Nikolaj Bjorner 9377779e58 merge with unstable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-04-30 10:40:03 -07:00
Nikolaj Bjorner 6c1a5390ef fix big-int bug for shift amounts, github issue 44, reported by Dejan 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-04-20 10:20:06 +02:00
Nikolaj Bjorner 52619b9dbb pull unstable 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-04-01 14:57:11 -07:00
Nuno Lopes 5676fbbc9e compiler love: make a few symbols static and avoid unneeded relocations 
Signed-off-by: Nuno Lopes <a-nlopes@microsoft.com>
 2015-02-22 11:13:51 +00:00
Christoph M. Wintersteiger 359c7e4da9 Removed unnecessary variables and added initialization to others to silence warnings. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-07 14:47:26 +00:00
Christoph M. Wintersteiger 941d1063dd FPA rewriter and MPF bugfixes 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-06 18:48:14 +00:00
Christoph M. Wintersteiger 5e60bcd920 FPA: fixes for the fpa_rewriter to enable model extraction and validation. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-06 16:53:31 +00:00
Christoph M. Wintersteiger a4c599a435 typo 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-04 18:25:32 +00:00
Christoph M. Wintersteiger 95300e801d fixed build errors and warnings 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-21 18:24:36 +00:00
Christoph M. Wintersteiger 5344d6f3c0 various bugfixes and extensions for FPA 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-15 19:25:49 +00:00
Christoph M. Wintersteiger 0381e4317a Formatting, mostly tabs. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-08 17:54:04 +00:00
Christoph M. Wintersteiger c0bc2518b0 Renaming for consistency mk_value -> mk_numeral 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-08 14:22:44 +00:00
Christoph M. Wintersteiger c0a027fc80 FPA: Elminated nzero/pzero AST kinds 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-08 14:07:47 +00:00
Christoph M. Wintersteiger 5e5758bb25 More float -> fpa renaming 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-08 13:37:18 +00:00
Christoph M. Wintersteiger dd17f3c7d6 Renaming floats, float, Floats, Float -> FPA, fpa 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-08 13:18:56 +00:00
Nikolaj Bjorner 129e048a1b Adding field update feature 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-03 01:27:52 -08:00
Christoph M. Wintersteiger 4d18e24fb4 FPA rewriter bugfix 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-31 14:48:45 +00:00
Christoph M. Wintersteiger d394b9579f FPA: new conversion 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-21 18:45:05 +00:00
Christoph M. Wintersteiger 47325c5fd3 FPA: bugfixes, naming convention, core theory additions 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-16 23:59:27 +00:00
Christoph M. Wintersteiger f11ee40c38 FPA: bug and leak fixes 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-14 19:09:17 +00:00
Christoph M. Wintersteiger b30e61e528 FPA: bugfixes, leakfixes, added fp.to_real 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-13 19:34:55 +00:00
Christoph M. Wintersteiger d6ac98a494 FPA API: reintroduced to_ieee_bv 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-11 12:05:52 +00:00
Christoph M. Wintersteiger 657595818e FPA API: Renaming for consistency with final SMT standard. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-12-10 18:45:44 +00:00
Nikolaj Bjorner 08cb8b8de8 address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-12-09 16:04:25 +01:00
Christoph M. Wintersteiger 8d3ef92383 Merge branch 'unstable' of https://git01.codeplex.com/z3 into fpa-api 
Conflicts:
	scripts/mk_project.py
	src/api/z3.h
	src/ast/float_decl_plugin.cpp
	src/ast/float_decl_plugin.h
	src/ast/fpa/fpa2bv_converter.cpp
	src/ast/fpa/fpa2bv_rewriter.h
	src/ast/rewriter/float_rewriter.cpp
	src/ast/rewriter/float_rewriter.h

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-11-11 11:53:39 +00:00
Christoph M. Wintersteiger 31a017e99e FPA: standard function names consistency, improved error messages, bugfixes. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-10-22 19:47:50 +01:00
Christoph M. Wintersteiger 7af410e6d6 FPA updates and bugfixes 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-10-18 13:42:28 +01:00
Nikolaj Bjorner ce18421a7a fix box 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-15 14:29:39 -07:00
Christoph M. Wintersteiger 7fc95aff3c Minor cleanliness fix. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-10-07 14:24:28 +01:00
Nikolaj Bjorner 4e55f04942 use more efficient encoding of shift operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-05 10:41:37 -07:00
Nikolaj Bjorner 4a286cfd1e fix two bugs in logarithmic shift operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-02 16:02:40 -07:00
Nikolaj Bjorner 2c70e8d79f port logarithmic encoding to shr, add review comment on rotate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-02 09:41:53 -07:00
Nikolaj Bjorner 8929c578c1 fix bug in mk_shl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-02 09:29:49 -07:00
Nikolaj Bjorner 504709f0a1 change implementation of shl to use log(n)*n intermediary bits instead of n^2/2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-02 09:07:39 -07:00
Nikolaj Bjorner d8e62cac94 enable flattening even if som is set by default 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-01 14:51:14 -07:00
Nikolaj Bjorner 0914748184 revert changes to tactic.cpp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-01 12:56:00 -07:00
Nikolaj Bjorner cce287eed1 fix bug in Shannon decomposition for translating PB constraints into formulas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-01 12:51:40 -07:00
Nikolaj Bjorner c09903288f have free variable utility use a class for more efficient re-use 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-09-15 16:14:22 -07:00
Ken McMillan c007a5e5bd merged with unstable 2014-08-06 11:16:06 -07:00
Nikolaj Bjorner 19050d1c4c merge Fixedpoint.cs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-07-28 12:20:48 -07:00
Christoph M. Wintersteiger 1944283253 FPA unified function names 2014-07-28 19:36:11 +01:00
Nikolaj Bjorner 752a6b2e33 fix quantifier elimination bugs reported by Berdine and Bornat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-07-14 16:46:27 +02:00
Nikolaj Bjorner e4dedbbefc fix quantifier elimination bugs reported by Berdine and Bornat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-07-14 15:38:22 +02:00
Nikolaj Bjorner 8ef4ec7009 fix bit-vector rotation left bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-06-08 12:46:23 +01:00
Nikolaj Bjorner 25ad9d2ee1 tuning based on benchmarks from Robert White 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-05-05 14:43:06 -07:00
Nikolaj Bjorner 5b1f83a676 improved SLS 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-21 14:48:01 -07:00
Nikolaj Bjorner f8348d0bc4 trying to fix build problems 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-21 14:45:12 -07:00
Nikolaj Bjorner 88df909a6c merge with unstable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-20 14:09:18 -07:00
Nikolaj Bjorner 9811054e72 adding pb sls 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-18 14:17:21 -07:00
Nikolaj Bjorner 4effa7f0c0 debug opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-17 21:13:31 -07:00
Nikolaj Bjorner af55088b78 debugging opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-17 10:34:32 -07:00
Nikolaj Bjorner 23313e5bdc remove unsound simplification for rem. Codeplex Issue 76 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-03-02 17:24:40 -08:00
Nikolaj Bjorner 3757f337e5 working on pb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-02-26 09:06:25 -08:00
Nikolaj Bjorner 478b3160ac optimize theory pb 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-02-25 18:06:54 -08:00
Nikolaj Bjorner aff92f3ac1 Merge branch 'unstable' of https://git01.codeplex.com/z3 into opt 2014-01-27 11:19:19 -08:00
Christoph M. Wintersteiger 0e74362ecb Added support for the final draft of the FPA standard (and fpa2bv conversion). 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2014-01-24 15:36:23 +00:00
Nikolaj Bjorner 236b2d2ff3 working on incremtal PB theory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-01-13 10:12:45 -08:00
Nikolaj Bjorner 0641c4f694 working on pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-26 09:53:33 -08:00
Nikolaj Bjorner 70c4432bb4 working on pb pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-23 13:22:21 -08:00
Nikolaj Bjorner 0c2ec6951a working on pre-processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-23 03:25:22 -08:00
Nikolaj Bjorner 24f2fd380c adding pre-processing of BP constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-23 01:33:24 -08:00
Nikolaj Bjorner fe5c42c90f fixes to bugs exposed by regressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-12-15 05:23:47 +02:00
Christoph M. Wintersteiger 65a202873f Bugfix for equality rewriting on floats. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-10-10 15:38:54 +01:00
Christoph M. Wintersteiger 9a9f8bbb34 rewriter and value recognition bugfixes for floats 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-10-08 20:01:39 +01:00
Nikolaj Bjorner 5c145dcd4b fix parameter checking on quantifiers (thanks to Esteban Pavese), fix query tracking in rel_context (thanks to Nuno Lopes), fix counter for free variables under quantfiers (thanks to Tomer Weiss) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-08-22 15:00:52 -07:00
Nikolaj Bjorner 0f83e7a251 fix bug masked by default configuration 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-08-10 12:23:34 -07:00
Nikolaj Bjorner 324dc5869d fix substitution bug in qe, working on boogie trace 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-06-25 13:07:28 -05:00
Leonardo de Moura a60b53bfd8 Fix compilation errors/warnings when using GCC 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-06-20 17:52:20 -07:00
Christoph M. Wintersteiger 76c59cb85c MPF conversion bugfix. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-06-14 17:22:25 +01:00
Christoph M. Wintersteiger 455618bb2b FPA: added is_nan 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-06-07 18:34:31 +01:00
Christoph M. Wintersteiger d7639557d2 FPA: added rewriting and fpa2bv conversion rules for new operations. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-06-07 18:03:46 +01:00
Nikolaj Bjorner c0895e5548 remove hassel table from unstable: does not compile under other plantforms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-31 17:48:19 -07:00
Nikolaj Bjorner e35fd58968 add rewriting option to simplify store equalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-05-13 11:43:30 -07:00
Christoph M. Wintersteiger 7053b7636b Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-05-01 14:11:21 +01:00
Christoph M. Wintersteiger 65af658fd7 FPA: min/max special cases fixed. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-05-01 14:08:53 +01:00
Nikolaj Bjorner 8038c719fb optimize rule preprocessing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 14:40:20 -07:00
Nikolaj Bjorner b644fb9875 optimize rule processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 12:02:19 -07:00
Nikolaj Bjorner c58b4f9a53 optimize rule processing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-26 11:43:06 -07:00
Nikolaj Bjorner 359d2326f8 stash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-04-03 17:06:45 -07:00
Nikolaj Bjorner b1fc6a5cac Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-03-24 18:26:48 -07:00
Nikolaj Bjorner bbe93ef610 fix build warning, make context simplifier traverse subterms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-24 18:26:22 -07:00
Leonardo de Moura a71bb549c6 Add option :bv-sort-ac true 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-03-24 14:59:29 -07:00
Nikolaj Bjorner 7c3ca302f0 missing hnf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-23 16:56:47 -07:00
Nikolaj Bjorner fb5d2cae17 local changes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-23 16:44:07 -07:00
Nikolaj Bjorner 26f4d3be20 significant update to Horn routines: add module hnf to extract Horn normal form (removed from rule_manager). Associate proof objects with rules to track (all) rewrites, so that proof traces can be tracked back to original rules after transformations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-23 14:11:54 -07:00
Nikolaj Bjorner 5455704af2 move quantifier hoist routines to quant_hoist 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-19 15:00:23 -07:00
Nikolaj Bjorner 7e9f4e264d working on separating horn simplificaiton 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-03-18 21:46:42 -07:00
Christoph M. Wintersteiger e5307300de FPA: bugfixes in mul() and abs() 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-03-06 15:04:58 +00:00
Christoph M. Wintersteiger e5f03f999a FPA: Added conversion operator float -> float. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-03-04 20:21:14 +00:00
Leonardo de Moura 97bf9418f7 Add new probes for arithmetic. Check for LIA and LRA (and activate qe if applicable). Modify echo tactic to send results to the regular stream. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-02-20 13:41:08 -08:00
Leonardo de Moura c4f762028f Add support for abs (absolute value) function in theory arith (it is part of the SMT-LIB 2.0 standard) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-02-03 15:28:56 -08:00
Leonardo de Moura 8515044f8b Add option bvnot2arith 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-27 20:28:42 -08:00
Leonardo de Moura 2a286541e0 Fix crash reported at http://z3.codeplex.com/workitem/11. Fix array rewriter bug, rewriter was producing sort incorrect expression. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-26 08:36:25 -08:00
Leonardo de Moura cec328cfdc Add get_sort(expr * n) function that does not depend on ast_manager. Move power_of_two to rational class. Add arith_recognizers and bv_recognizers classes. The two new classes contain the 'read-only' methods from arith_util and bv_util. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-18 14:44:51 -08:00
Leonardo de Moura 08789b69d4 Fix warning on FreeBSD 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-17 20:56:20 -08:00
Leonardo de Moura 7e66a65e98 Add blast_distinct_threshold option to rewriter. Enable blast_distinct in the QF_LIA default strategy 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-17 10:32:00 -08:00
Leonardo de Moura a07b459fdf Added is_unique_value. Its semantics is equal to the old is_value method. The contract for is_value changed. See comments at ast.h for more information. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-07 12:53:51 -08:00
Leonardo de Moura 75739fdf7b fixed memory smash 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-06 08:19:42 -08:00
Leonardo de Moura a99b8fe797 exposed rewriter parameters 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-02 22:03:30 -08:00
Leonardo de Moura 6107e8d9ce moved old params files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-02 10:47:04 -08:00
Leonardo de Moura 32791204e7 merged 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-12-01 16:36:24 -08:00
Christoph M. Wintersteiger f78e595b56 Added QF_FPABV logic, default tactic, and the asIEEEBV conversion function. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2012-12-01 15:51:33 +00:00
Leonardo de Moura cf28cbab0a saved params work 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-11-29 17:19:12 -08:00
Leonardo de Moura 5e7436cb50 Removed (some) dead parameters. Added doxygen documentation for the whole code base. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-11-22 10:06:24 -08:00
Leonardo de Moura 26ffee95fc resurrecting assertion stack 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-11-01 12:37:24 -07:00
Leonardo de Moura cb8a6db51b minor fixes after feedback from regression tests... 2012-10-30 09:20:28 -07:00
Leonardo de Moura c5540c7de9 new xor simplification 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-10-26 14:57:06 -07:00
Leonardo de Moura 1ea606092c checkpoint 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-10-25 15:44:53 -07:00
Leonardo de Moura f57d4b1b19 reorganizing the code 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-10-25 11:28:03 -07:00
Leonardo de Moura 0a4446ae26 reorganizing the code 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2012-10-23 22:14:35 -07:00