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6772 commits 46 branches 52 tags 178 MiB
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949 commits

Author SHA1 Message Date
Christoph M. Wintersteiger
3e61ee2331 disabled "hardware interpretation" of fp.min/fp.max because the unspecified, standard-compliant behaviour is cheap anyways. 2016-03-11 12:52:00 +00:00
Christoph M. Wintersteiger
b5279d1da8 Bugfix for fp.to_ieee_bv. 
Fixes #507.
 2016-03-11 12:35:41 +00:00
Nuno Lopes
d0de8fff62 ensure ast_manager::are_equal returns true if expr ptrs are equal 
found by Nikolaj
 2016-03-08 16:53:09 +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
Christoph M. Wintersteiger
f34e15f289 whitespace 2016-03-05 16:47:39 +00:00
Christoph M. Wintersteiger
9dfc2bc61e Fixed memory leaks in fpa2bv converter. 
Fixes #480
 2016-03-05 16:47:08 +00:00
Zephyr Pellerin
b13db1e82e Bugfix for arith_rewriter single operand division 2016-03-04 18:26:00 -08:00
Nikolaj Bjorner
50b2389e7f Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-03 07:59:13 -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
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
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
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
Nuno Lopes
564343c39c remove unused methods in ast.cpp 2016-02-09 15:30:05 +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
92b6a3e134 Fixed exponent cap for fp.add in fpa2bv_converter (was unsound for combinations of many sbits but few ebits). 
Fixes #439.
 2016-02-07 17:33:33 +00:00
Christoph M. Wintersteiger
e9d94e53f6 Improved FPA simplifier plugin 2016-02-07 15:01:22 +00:00
Christoph M. Wintersteiger
37b11cdc74 Comments, whitespace. 2016-02-07 15:01:09 +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
7ddd2856c8 Added is_considered_uninterpreted() to decl_plugins. 2016-02-05 15:22:37 +00:00
Christoph M. Wintersteiger
3d37c25bcc whitespace 2016-02-05 15:16:54 +00:00
Christoph M. Wintersteiger
c11b6d90ce whitespace 2016-02-05 15:16:19 +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
b87f4ca677 whitespace 2016-02-05 13:48:05 +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
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
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
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
8e378062e2 add get-some-value to seq API, expose quantifier tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 08:05:44 -08:00
Nikolaj Bjorner
345f6e87bd seq bug fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-26 07:21:31 -08:00