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7388 commits 26 branches 52 tags 171 MiB
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1114 commits

Author SHA1 Message Date
Nikolaj Bjorner
f30fb7639e Merge branch 'master' of https://github.com/Z3Prover/z3 2016-07-13 20:32:24 -07:00
Nikolaj Bjorner
3989d238c0 fix bugs exposed in #677. to_int(x) has the semantics that to_int(x) <= x, and to_int(x) is the largest integer satisfying this inequality. The encoding in purify_arith had it the other way x <= to_int(x) contrary to how to_int(x) is handled elsewhere. Another bug in theory_arith for mixed-integer linear case was also exposed. Fractional bounds on expressions of the form to_int(x), and more generally on integer rows were not rounded prior to internalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-13 20:32:18 -07:00
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
Christoph M. Wintersteiger
1e5a87887d Merge branch 'master' of https://github.com/Z3Prover/z3 2016-07-13 15:36:27 +01:00
Christoph M. Wintersteiger
cfbe16639f Bugfix for fpa2bv translation 2016-07-13 15:35:14 +01:00
Nikolaj Bjorner
63f89f8c45 add sin/cos conversions for #680 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-12 15:12:40 -07:00
Fabian Wolff
6eaab00e83 Fix spelling errors 2016-07-09 11:46:43 +02:00
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
Murphy Berzish
b31d1a92aa add more support for unroll (WIP) 2016-06-27 14:41:57 -04:00
Nikolaj Bjorner
7fc294d329 move arithmetical mbp functionality to model_based_opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-26 14:30:35 -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
Nikolaj Bjorner
017165c474 fix bug with model completion and remove spurious std::cout 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-24 09:02:12 -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
Murphy Berzish
04803d7a3b starting regex support 2016-06-23 15:24:35 -04:00
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
fb20951064 theory_str Substr support WIP 2016-06-15 20:26:07 -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
Nikolaj Bjorner
9253ca9d86 make use of warning_msg safe for formatting. Thanks to Scott McPeak for reporting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-14 08:10:10 -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
Nikolaj Bjorner
c7ff05cc78 enable core minimization with qsat in case it turns out to be useful 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-12 15:58:12 -07:00
Christoph M. Wintersteiger
bd187e0989 Bugfix for fp.min/fp.max in fpa2bv converter; hide BV UFs from FP models. 
Fixes #642
 2016-06-09 17:51:31 +01:00
Christoph M. Wintersteiger
879363157f Bugfix for fpa2bv_converter 2016-06-09 12:09:53 +01:00
Nikolaj Bjorner
e9e926d4d6 UINT32_MAX -> UINT_MAX 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-02 21:00:18 -07:00
Nikolaj Bjorner
21158ea03f Merge branch 'master' of https://github.com/Z3Prover/z3 2016-06-02 20:58:20 -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
Christoph M. Wintersteiger
83ad5d65e4 Replaced fp.rem conversion to bit-vectors with an SMT-compliant one. 
Fixes #561
 2016-06-02 20:22:02 +01:00
Murphy Berzish
33205cea71 completely bypass theory_seq; sorry! I'll put it back when I'm done 2016-06-01 17:57:00 -04:00
Murphy Berzish
d79837eed0 Merge branch 'develop' into upstream-master 
Conflicts:
	.gitignore
	README
	src/ast/ast_smt2_pp.h
	src/ast/ast_smt_pp.cpp
	src/ast/reg_decl_plugins.cpp
	src/cmd_context/cmd_context.cpp
	src/parsers/smt2/smt2parser.cpp
 2016-06-01 17:40:52 -04:00
Christoph M. Wintersteiger
ade2dbe15a Cache cleanup fix for bv_simplifier_plugin. 
Fixes #615
 2016-05-31 16:47:14 +01:00
Christoph M. Wintersteiger
03f6b465b9 comment typos 2016-05-31 16:14:50 +01:00
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
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
18a9b89e30 bypass stale rules as part of unbounded compression. Issue #624 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-27 09:38:23 -07:00
Christoph M. Wintersteiger
15d871cfe0 Bug and style fix for fpa2bv converter. 2016-05-26 13:39:54 +01:00