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Code Activity
2690 commits 42 branches 51 tags 169 MiB
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317 commits

Author SHA1 Message Date
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
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
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
Christoph M. Wintersteiger
1d49f61b9a Merge branch 'unstable' of https://github.com/Z3Prover/z3 into contrib 
Conflicts:
	README
	src/api/ml/build-lib.sh
	src/api/ml/z3.ml
	src/api/ml/z3.mli
	src/api/ml/z3_stubs.c
 2015-04-28 15:19:08 +01:00
Nikolaj Bjorner
620c11932b type check distinct operator. fixes #62 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-04-27 11:10:37 -07:00
Christoph M. Wintersteiger
abe73db702 FP: bugfix for get_some_value which couldn't produce rounding-mode values. 2015-04-25 15:19:48 +01:00
Christoph M. Wintersteiger
4768a360f8 FP: Fix for conversion functions from non-FP 0 to +0.0 even when the rounding mode is ToNegative. 2015-04-25 15:01:20 +01:00
Nikolaj Bjorner
6c1a5390ef fix big-int bug for shift amounts, github issue 44, reported by Dejan 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-04-20 10:20:06 +02:00
Nikolaj Bjorner
841c1c2290 scope precedence of ||, github issue 24 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-04-03 12:06:31 -07:00
Nikolaj Bjorner
0e8a0822f1 fix used_vars reported by Daniel J. H, issue #24 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-04-03 11:59:27 -07:00
Christoph M. Wintersteiger
5911f788c3 Improved translation from reals to floats (fp.to_real). 
Fixes #14
 2015-03-29 14:39:47 +01:00
Christoph M. Wintersteiger
0ed16c09f9 Bugfix for fp.isNegative. 
Fixes #13
 2015-03-29 13:57:11 +01:00
Christoph M. Wintersteiger
690eb8eaca Bugfix for fp.isSubnormal. 
Fixes #10
 2015-03-29 13:31:44 +01:00
Christoph M. Wintersteiger
fc84461e31 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2015-03-26 14:49:45 +00:00
Christoph M. Wintersteiger
9cbf45f689 Added int to float conversion. 2015-03-26 14:48:55 +00:00
Nikolaj Bjorner
39892aae10 cache datatype util in context to avoid performance bug, codeplex issue 195 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-03-25 11:46:17 -07:00
Christoph M. Wintersteiger
a792790882 Fixed performance problems with enumeration sorts (Codeplex #190). 2015-03-25 18:08:56 +00:00
Nuno Lopes
5676fbbc9e compiler love: make a few symbols static and avoid unneeded relocations 
Signed-off-by: Nuno Lopes <a-nlopes@microsoft.com>
 2015-02-22 11:13:51 +00:00
nikolajbjorner
7735a40752 fix bug in array simplification. Codeplex issue 173 
Signed-off-by: nikolajbjorner <nbjorner@microsoft.com>
 2015-02-19 07:01:55 -08:00
Christoph M. Wintersteiger
614caaca62 Fix for arrays with arity > 1 in static_features 2015-02-09 16:20:17 +00:00
Christoph M. Wintersteiger
3a8a62fc4c Added array index/element sort detection to static_features 2015-02-09 13:41:45 +00:00
Christoph M. Wintersteiger
0a22f1e0f5 array simplifier fix for a fix... 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-08 18:07:10 +00:00
Christoph M. Wintersteiger
321c181fd8 Bugfix for array_simplifier_plugin. Thanks to codeplex user mtappler for reporting this. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-08 18:04:23 +00:00
Christoph M. Wintersteiger
0298519b4f Revert "Bugfix for array simplifier" 
This reverts commit f9d38a97df.
 2015-02-08 17:53:06 +00:00
Christoph M. Wintersteiger
f9d38a97df Bugfix for array simplifier 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-08 17:49:30 +00:00
Christoph M. Wintersteiger
4792c5fb7c Fixed bugs in static features and smt setup 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-08 16:53:08 +00:00
Christoph M. Wintersteiger
359c7e4da9 Removed unnecessary variables and added initialization to others to silence warnings. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-07 14:47:26 +00:00
Christoph M. Wintersteiger
941d1063dd FPA rewriter and MPF bugfixes 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-06 18:48:14 +00:00
Christoph M. Wintersteiger
5e60bcd920 FPA: fixes for the fpa_rewriter to enable model extraction and validation. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-06 16:53:31 +00:00
Christoph M. Wintersteiger
a4c599a435 typo 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-04 18:25:32 +00:00
Christoph M. Wintersteiger
3478cdb756 Added smt kernel setup for QF_FP(BV). Thanks to codeplex user smccamant for reporting this performance problem. 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-02-03 12:30:42 +00:00
Christoph M. Wintersteiger
880cbb936e fixed portability issue 2015-01-21 19:37:49 +00:00
Christoph M. Wintersteiger
826d295981 build fixes and removed unused variables 2015-01-21 19:29:31 +00:00
Christoph M. Wintersteiger
95300e801d fixed build errors and warnings 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-21 18:24:36 +00:00
Christoph M. Wintersteiger
74e60fc955 disabled debug output 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-21 15:01:35 +00:00
Christoph M. Wintersteiger
052baaabe4 FPA API bugfixes 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-21 14:22:35 +00:00
Christoph M. Wintersteiger
c3247d7598 FPA: bugfix for rounding mode bv translation 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-17 16:36:33 +00:00
Christoph M. Wintersteiger
5344d6f3c0 various bugfixes and extensions for FPA 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2015-01-15 19:25:49 +00:00
Christoph M. Wintersteiger
caafee0033 Added simplifier plugin for FP 2015-01-15 19:18:18 +00:00