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Code Activity
6392 commits 29 branches 52 tags 173 MiB
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872 commits

Author SHA1 Message Date
Nikolaj Bjorner
8205b45839 initial integration of opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-27 19:13:00 -07:00
Nikolaj Bjorner
aedabfff7a disable newer pb encoding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-27 11:24:30 -07:00
Nikolaj Bjorner
66e61b8a31 issues #963 #912 2017-04-17 03:06:38 -07:00
Nikolaj Bjorner
41e1b9f3fe gt encoding of pb constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-16 12:07:16 +09:00
Nikolaj Bjorner
48638c6f1e fix for #975, add mask to ensure character encoding is unique within range of bits used for encoding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-15 09:34:13 +07:00
Nikolaj Bjorner
4140afa4cb add regular expression membership for range of int.to.str functions. Issue #957 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-11 10:49:42 +08:00
Christoph M. Wintersteiger
b67c1c5501 Fixed valgrind warning. Fixes #972 2017-04-10 16:28:41 +01:00
Christoph M. Wintersteiger
27a1758857 Added rewriter.ignore_patterns_on_ground_qbody option to disable simplification of quantifiers that have their universals appear only in patterns, but otherwise have a ground body. 2017-04-07 21:19:20 +01:00
Nikolaj Bjorner
582880346e add index option to 'eval' command for box objectives. Issue #955 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-31 09:22:56 -07:00
Christoph M. Wintersteiger
0fb3161113 Updated declarations in decl_collector 2017-03-31 12:10:51 +01:00
Christoph M. Wintersteiger
ef3d340c85 Improved decl_collector for uninterpreted sorts in :print_benchmark output 2017-03-31 12:04:46 +01:00
Christoph M. Wintersteiger
041520f727 SMT2 compliancy fix; NRA includes conversion of Int numerals 2017-03-28 18:17:22 +01:00
Nikolaj Bjorner
0c4b792dac Merge branch 'master' of https://github.com/Z3Prover/z3 2017-03-25 19:32:17 +01:00
Nikolaj Bjorner
3a9857940e add missing axioms for str.at. Issue #953 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-25 19:31:01 +01:00
Christoph M. Wintersteiger
d10dec2218 Removed unused variable 2017-03-24 14:31:06 +00:00
Nikolaj Bjorner
25d839ed10 fix bug in simplifier of bv2int over concatentations exposed by #948 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-22 10:55:55 -07:00
Nikolaj Bjorner
e342b87921 Merge pull request #942 from mtrberzi/str-extract-semantics 
alternate str.extract semantics in seq_rewriter
 2017-03-21 10:48:06 -07:00
Murphy Berzish
6804c88b66 make seq.extract rewrite type-generic 2017-03-21 12:54:06 -04:00
Nikolaj Bjorner
ca4ae171ea remove unsound simplification in prefix #949 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-21 07:40:35 -06:00
Nikolaj Bjorner
d58018841e remove code that causes infinite loop. Stackoverflow question from Dominik Wojtaszek 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-17 10:52:16 -07:00
Nikolaj Bjorner
05c267b8d8 make seq.at operations generic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-14 15:37:47 -07:00
Murphy Berzish
34717a7b6e str.extract semantics fix 2017-03-14 14:14:46 -04:00
Murphy Berzish
5c9d7538a0 add alternate str.at semantics check in seq_rewriter 
this rewrites to empty string if the index is negative or beyond the length of the string,
which is consistent with CVC4's semantics for this term
 2017-03-13 14:39:12 -04:00
Nikolaj Bjorner
338193548b fixing build break, adding fixedpoint object to C++ API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-10 22:52:55 +01:00
Nikolaj Bjorner
05c5b3b07b merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-09 22:45:52 +01:00
Nikolaj Bjorner
5f5819f029 fix xor handling, and defaults for cardinality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-09 22:44:41 +01:00
Nikolaj Bjorner
6f68355fbc Merge branch 'master' of https://github.com/Z3Prover/z3 2017-03-08 21:33:43 -08:00
Christoph M. Wintersteiger
b57764800c Merge branch 'master' of https://github.com/Z3Prover/z3 2017-03-07 18:10:31 +00:00
Christoph M. Wintersteiger
8f14cfadd2 Tabs, whitespace 2017-03-07 18:10:03 +00:00
Murphy Berzish
ad0766898c add boolean operators to zstring and fix ostream 2017-03-04 15:20:57 -05:00
Nikolaj Bjorner
b0a47ca897 disable pb sorting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-02 08:11:38 -08:00
Nikolaj Bjorner
4792229c2b Merge pull request #922 from mtrberzi/regex-unroll 
add _re.unroll internal operator to seq_decl_plugin
 2017-02-27 18:37:37 -08:00
Nikolaj Bjorner
e9b49644b2 Merge branch 'master' of https://github.com/z3prover/z3 into opt 2017-02-25 16:20:33 -08:00
Nikolaj Bjorner
996c0f0666 fix type on exception message 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-25 16:14:50 -08:00
Nikolaj Bjorner
8437cb7132 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-02-24 07:54:25 -08:00
Murphy Berzish
0ebd93c8b5 add _re.unroll internal operator to seq_decl_plugin 2017-02-23 20:57:19 -05:00
Murphy Berzish
eb0ba26f90 C-style octal escapes, including 1- and 2-digit escapes 2017-02-23 18:33:10 -05:00
Murphy Berzish
61bbf8ba7e add octal escape to seq_decl_plugin 2017-02-23 18:24:08 -05:00
Nikolaj Bjorner
122a12c980 fix build on downlevel compilers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-21 09:12:10 -08:00
Nikolaj Bjorner
98c5a779b4 add xor parity solver feature 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-20 16:55:00 -08:00
Nikolaj Bjorner
0cf5af121a Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2017-02-19 11:32:18 -08:00
Nikolaj Bjorner
dc588b54f7 add sorting-based pb encoding in the style of minisat+ 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-19 11:31:34 -08:00
Nikolaj Bjorner
b0dd3f3238 add recursive function graphs to model, adapt rewriter to bypass branches whose evaluation is redundant 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-16 13:58:12 -08:00
Nikolaj Bjorner
7e391a8a57 add option to disable cardinality solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-16 08:38:38 -08:00
Nikolaj Bjorner
2bcb875559 add option to disable cardinality solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-16 08:36:16 -08:00
Nikolaj Bjorner
4220432ac3 Merge branch 'master' of https://github.com/z3prover/z3 into opt 2017-02-11 11:57:47 -05:00
Nikolaj Bjorner
b6b6035cfb tuning and fixing drat checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-07 16:50:39 -08:00
Christoph M. Wintersteiger
c56edc63d2 Merge pull request #882 from dwoos/sine-filter 
Add basic Sine Qua Non filtering
 2017-02-04 20:24:09 +00:00
Nikolaj Bjorner
e9e0293d1a local updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-02 10:19:51 -08:00
Doug Woos
d6fbfe401e add and use new is_pattern recognizer 2017-02-01 16:21:15 -08:00