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11649 commits 49 branches 53 tags 182 MiB
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1050 commits

Author SHA1 Message Date
Nikolaj Bjorner
899843b7cd fix unhandled finite domain sort rewrite case. Issue #918 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-26 17:20:54 -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
e02160c674 expose bounds as vector expressions instead of containing ad-hoc expressions. Issue #911 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-24 11:07:40 -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
e4411265ea Fixed model-converter segfault in ::check_sat. Relates to #881 2017-02-05 17:53:44 +00:00
Christoph M. Wintersteiger
54280b6cc5 Fixed model-converter segfault in ::check_sat. Relates to #881 2017-02-05 17:20:45 +00:00
Christoph M. Wintersteiger
d6b4e99489 Fixed signed/unsigned warnings 2017-02-05 16:03:00 +00:00
Christoph M. Wintersteiger
5682c43604 Merge pull request #881 from dwoos/tactic-labels 
Thread labels through tactic system
 2017-02-04 20:37:11 +00:00
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
Doug Woos
d6fbfe401e add and use new is_pattern recognizer 2017-02-01 16:21:15 -08:00
Doug Woos
44c417904b correctly pretty-print 2017-02-01 16:21:01 -08:00
Doug Woos
a147e2bc35 use is_uninterp 2017-02-01 16:20:40 -08:00
Nikolaj Bjorner
40177f7bac bypass combined solver when logic is set to QF_FD 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 08:05:04 -08:00
Nikolaj Bjorner
4d8d705b3f bypass combined solver when logic is set to QF_BV or QF_FD 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 08:02:24 -08:00
Doug Woos
d9e43f0e6d use insert_if_not_there 2017-01-31 11:48:52 -08:00
Doug Woos
89ba99918e reindent 2017-01-31 11:48:52 -08:00
Doug Woos
c0bb6dd2be delete unused args 2017-01-31 11:48:51 -08:00
Doug Woos
da63f6b0ff delete comment 2017-01-31 11:48:51 -08:00
Doug Woos
b00c4d2e64 add name 2017-01-31 11:48:51 -08:00
Doug Woos
8196173e29 Introduce and use labels_vec 2017-01-30 15:50:34 -08:00
Doug Woos
3791810920 add const & 2017-01-30 15:09:57 -08:00
Nikolaj Bjorner
37ee4c95c3 adding parallel threads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 02:09:08 -08:00
Doug Woos
a9d61d48ae Add basic Sine Qua Non filtering 2017-01-27 11:22:39 -08:00
Doug Woos
5796e15088 Thread labels through tactic system 2017-01-27 11:07:13 -08:00
Nikolaj Bjorner
df492e200f merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 10:04:02 -08:00
Nikolaj Bjorner
8d18fd075e remove sources for unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 09:54:45 -08:00
Nikolaj Bjorner
20790c46ee bail out on failure to properly project 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-11 04:23:07 +01:00
Nikolaj Bjorner
fe10f2d244 address #835 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-10 07:51:16 +01:00
Nikolaj Bjorner
e092232f67 add virtual destructors, fix operator code for API methods complement and intersection per note by Loris d'Antoni 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-09 23:17:52 +01:00
Nuno Lopes
dedae29300 add a few more statics to avoid symbol clashes 2016-12-01 17:37:07 +00:00
Nuno Lopes
42b26c63e5 make a few functions static 2016-12-01 14:01:20 +00:00
Christoph M. Wintersteiger
b1f7c6ac97 eliminated unnecessary variable 2016-11-04 22:08:49 +00:00
Christoph M. Wintersteiger
824ba14977 Disabled some ITE rewrite rules that were applied by default, but too expensive. Added re-computation of subterm occurrences in ctx_simplify_tactic. (Performance fixes for QF_LIA benchmarks). 2016-11-04 13:39:53 +00:00
Christoph M. Wintersteiger
a3e915fbea Whitespace 2016-11-04 13:37:14 +00:00
Nikolaj Bjorner
f61600d1d8 fixing unsat core extraction for tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 14:14:55 +00:00
Nikolaj Bjorner
305e080239 enable unsat core extraction in nlsat_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 17:57:28 +01:00
Nikolaj Bjorner
ff75f88c4f fix memory abuse in internalization in inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-31 22:25:58 +01:00
Nikolaj Bjorner
2475f3bff5 ensure that variables passed to consequence finding have bound constraints, if applicable. Even if those variables do not occur in the constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 07:41:27 -07:00
Christoph M. Wintersteiger
f1412d3f32 Bugfix for bouned_int2bv_solver 2016-10-28 14:23:01 +01:00
Christoph M. Wintersteiger
02e1bae9cb whitespace 2016-10-28 14:22:27 +01:00
Nikolaj Bjorner
ca309341c3 fixing cancellation code paths for inc_sat_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 22:07:46 -07:00
Nikolaj Bjorner
24fc19ed58 speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 08:15:39 -07:00
Nikolaj Bjorner
461e88e34c additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-25 20:32:13 -07:00
Nikolaj Bjorner
b82b53dc34 add handling of pseudo-boolean inequalities that use if-expressions over Booleans and arihmetic instead of built-in PB predicates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 17:41:52 -07:00
Nikolaj Bjorner
3778048eb4 add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:31:59 -07:00
Nikolaj Bjorner
9cd7b9b4f6 fix mutex finding for smt-core: it was returning mutexes for negations of literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-20 22:13:23 -07:00
Nikolaj Bjorner
881e82e3fa remove legacy interface to dt2bv tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 23:04:17 -04:00
Nikolaj Bjorner
d060359f01 add fd solver for finite domain queries 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 22:34:34 -04:00
Nikolaj Bjorner
9e4450228e adding unit test for enumeration types 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-17 14:52:37 -04:00