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8966 commits 49 branches 53 tags 182 MiB
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1354 commits

Author SHA1 Message Date
Nikolaj Bjorner
b77e387265 value 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-04 15:26:53 -08:00
Nikolaj Bjorner
a8e366aa24 add basic string factory 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-04 15:24:29 -08:00
Nikolaj Bjorner
75c935a4cb add tokens to parse strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-04 12:09:15 -08:00
Nikolaj Bjorner
4bbe1d4674 remove unused min-aggregate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-04 09:23:36 -08:00
Murphy Berzish
23150d3b5e never ever ever reuse constants in mk_string(). this gets us MUCH farther 2015-12-02 22:03:12 -05:00
Christoph M. Wintersteiger
8eea6fd775 Bugfix for FPA float to float conversion. 
Fixes #337
 2015-11-24 17:21:40 +00:00
Christoph M. Wintersteiger
59c1944f92 Bugfix for FP casts (float to float conversion). 
Fixes #331.
 2015-11-22 14:49:04 +00:00
Nikolaj Bjorner
fd8fd40669 fix tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-20 08:00:01 -08:00
Nikolaj Bjorner
c8f09fa955 fix for unsound results reported in #313 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-16 22:59:07 -08:00
Christoph M. Wintersteiger
4cb96bfe76 Fixed assertion failure in fpa2bv_converter. 
Partially addresses #307
 2015-11-13 15:55:01 +00:00
Christoph M. Wintersteiger
643dbb874b Added tactic that translates BV arrays into BV UFs. 2015-11-12 15:27:33 +00:00
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
Nikolaj Bjorner
4685a5f8ba add array-ext to externally exposed functions to enable interpolants with arrays to be usable in feedback loops with Z3. Addresses one issue raised in #292 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-07 16:42:13 -08:00
Nikolaj Bjorner
b4cb51cdb3 working on Forking/Serializing a z3 Solver #209 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-11-06 17:29:24 -08:00
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
Nikolaj Bjorner
4d6977eaea Remove old_simplify.bv.hi_div0 option, reconciling it with rewriter.bv.hi_div0. To address issue #237 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-28 12:53:53 -07:00
Christoph M. Wintersteiger
89fb5a44fb Made fresh variable generation in fpa2bv lazy so that it doesn't create unnecessary variables. 2015-10-26 18:10:15 +00:00
Christoph M. Wintersteiger
5b39d8fa0d bugfix for fpa2bv converter 2015-10-26 15:59:00 +00:00
Christoph M. Wintersteiger
ed94bc2f6b Bugfix for fpa2bv converter. 2015-10-25 13:10:40 +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
Christoph M. Wintersteiger
6749c19ab1 Merge branch 'static_analysis' of https://github.com/daniel-j-h/z3 
# Conflicts:
#	src/ast/ast.h
#	src/interp/iz3foci.cpp
#	src/muz/duality/duality_dl_interface.cpp
#	src/util/hwf.h
 2015-10-19 15:14:45 +01:00
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
a951ff0769 Fix for FP UFs and conversion functions. 2015-10-08 16:04:17 +01:00
Christoph M. Wintersteiger
883514c195 Bugfix for FPA UFs 2015-10-08 14:14:39 +01:00
Christoph M. Wintersteiger
c787ea1a3b Bugfix for FP UFs. 2015-10-08 12:45:26 +01:00
Christoph M. Wintersteiger
a2503af585 Bugfixes for UFs and conversion functions in theory_fpa 2015-10-08 11:54:35 +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
7768aa5487 compiler warning by daniel j h 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-10-04 10:35:48 -07:00
Murphy Berzish
bdf755156c fix model generation: don't build interpretations for Length() 2015-10-01 20:31:40 -04:00
Murphy Berzish
1cdfe159b8 simplify_concat_equality() and easy cases there 
still WIP especially wrt. model generation but what's here does work
 2015-09-29 20:19:43 -04:00
Murphy Berzish
2320b6dc48 solve_concat_eq_str() case 4: somewhat working 
something's wrong but it may be very simple to fix
 2015-09-29 17:46:51 -04:00
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
Murphy Berzish
876af399e3 probably fix duplication of mk_string() terms 
also implement Case 2 of solve_concat_eq_str()
 2015-09-28 14:44:25 -04:00
Murphy Berzish
0d54e4e4ae implement str_decl_plugin::is_value() and ::is_unique_value() 
we can now prove that (= "abc" "def") is unsatisfiable
 2015-09-27 23:57:41 -04:00
Murphy Berzish
4d5a0ea53f WIP add axioms 2015-09-26 18:51:02 -04:00
Christoph M. Wintersteiger
076e680433 Improved UF suppport in fpa2bv_converter. 2015-09-25 17:28:31 +01:00
Christoph M. Wintersteiger
2744d80642 Fixed reference counting in fpa2bv converter. 2015-09-23 14:22:02 +01:00
Christoph M. Wintersteiger
d2c9b69eb3 fixed memory leak (`mem' remained allocated upon exception thrown in check_args). 2015-09-17 13:20:24 +01:00
Christoph M. Wintersteiger
4d39108808 Bugfix for fp.to_sbv 
Fixes #162
 2015-09-17 12:21:59 +01:00
Christoph M. Wintersteiger
52df2224e9 Disabled FP debug variables. 2015-09-16 18:04:26 +01:00