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5354 commits 23 branches 48 tags 157 MiB
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278 commits

Author SHA1 Message Date
Christoph M. Wintersteiger 1cc8146aba Bugfixes for FP UFs and arrays. 2016-05-20 19:53:57 +01:00
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