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1341 commits

Author SHA1 Message Date
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
Christoph M. Wintersteiger
27f8ad288c Bugfix for fp.to_ubv. 
Fixes #162.,
 2015-09-16 14:26:53 +01:00
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
46e24e094c fixed warning message 2015-09-16 12:08:56 +01:00
Christoph M. Wintersteiger
869cd6074d Bugfix for fp.to_sbv and fp.to_ubv. 
Fixes #162.
 2015-09-15 19:03:31 +01:00
Christoph M. Wintersteiger
a1073206f9 Bugfix for FP rewriter. 2015-09-15 16:23:24 +01:00
Christoph M. Wintersteiger
d0fa4e992f Bugfix for fp.to_sbv. 
Fixes #162
 2015-09-14 14:04:31 +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
Murphy Berzish
9b04f1570f instantiate length axiom for concatenation 2015-09-07 19:40:25 -04:00
Murphy Berzish
dc86385e7f add Length function to theory of strings 2015-09-07 16:13:48 -04:00
Murphy Berzish
7f0d9157ac at least for now, Concat is no longer associative 
this means that we'll always have (Concat a b)
instead of variadic forms
 2015-09-06 21:47:57 -04:00
Murphy Berzish
f0c301e920 register Concat function 
now reaches str_decl_plugin::mk_func_decl()
 2015-09-06 21:05:32 -04:00
Murphy Berzish
8137e022e3 load str decl plugin; recognize String sorted constants 2015-09-06 20:53:08 -04:00
Murphy Berzish
744d2e3c9c pretty-printing of string constants in AST 
spec2 looks good now
 2015-09-03 01:12:08 -04:00