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9279 commits 49 branches 53 tags 182 MiB
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1372 commits

Author SHA1 Message Date
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
Murphy Berzish
02345ee5f1 fix string constant representation in parser 
spec1 loopback OK
 2015-09-03 00:17:05 -04:00
Murphy Berzish
e48ac4a97a create and register string theory plugin 
the parser gets a little bit further now!
rejects input with "unexpected character"
 2015-09-02 21:12:03 -04:00
Nikolaj Bjorner
fdef17683a Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-09-01 10:35:34 -07:00
Christoph M. Wintersteiger
336fa6ae83 Bugfix for FP to BV conversion of UFs 2015-09-01 17:52:19 +01:00
Nikolaj Bjorner
cc5d719d9e enable incremental bit-vector solving 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-01 09:48:35 -07:00
Christoph M. Wintersteiger
81eecafa66 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-08-27 18:17:38 +01:00
Christoph M. Wintersteiger
081ba9093a Bugfix for FP theory; handling of UFs and interpreted functions from other theories. 2015-08-27 18:17:26 +01:00
Nikolaj Bjorner
ef7915858b add filter to detect circumventing the default semantics of bit-vector division with the use of the sat-based bit-vector solver. Provides a way to fix issue #190 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 16:27:07 -07:00
Nikolaj Bjorner
af23f226bf take 'iff' into account in assertion on transitivity 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-11 09:07:18 +02:00
Nikolaj Bjorner
8505ca843b recognize more pb patterns 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-08 13:39:39 +02:00
Nikolaj Bjorner
c7649088e7 have solver pretty print declarations, include also datatype declarations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-07 08:54:03 +02:00
Nikolaj Bjorner
052ac51ed7 have solver pretty print declarations, include also datatype declarations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-07 08:52:27 +02:00
Nikolaj Bjorner
7f517c625f have solver pretty print declarations, include also datatype declarations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-07 08:48:24 +02:00
Nikolaj Bjorner
a3c43c34fb change default behavior of solver pretty printer to include declarations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-06 18:57:11 +02:00
Nikolaj Bjorner
f96c0b6963 fixes #186, remove ite-lifting from opt_context to detect weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-06 11:52:59 +02:00
Nikolaj Bjorner
e59ec5fefd fixes issue #185 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-06 11:04:37 +02:00
Christoph M. Wintersteiger
bea8744f7d Disabled superfluous wellformedness check and fixed type checking in basic_decl_plugin::join 2015-07-31 11:20:01 +01:00
Christoph M. Wintersteiger
31eb738db5 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-07-14 12:08:34 -07:00
Christoph M. Wintersteiger
f9e2ad76fa Bugfix for fp.to_sbv 
Fixes #114.
 2015-07-14 12:05:45 -07:00