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42 commits

Author SHA1 Message Date
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
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
Doug Woos
5796e15088 Thread labels through tactic system 2017-01-27 11:07:13 -08:00
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
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
Christoph M. Wintersteiger
f54a7db108 Added debug traces. 2016-08-09 16:36:49 +01:00
Nikolaj Bjorner
4c786c5f70 add n-ary disjunction and conjunction
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-01 08:15:50 -07:00
Nikolaj Bjorner
f34a54fea0 fix stats collection over exceptions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-03-24 17:08:13 -07:00
Nikolaj Bjorner
49d0e28621 allow parameters to overwrite logic, fixes bug report by Nuno
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-03-07 10:44:06 -08:00
Nikolaj Bjorner
7f51ecab37 enable logic parameter update to configure SMTLIB logic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-03-01 09:26:14 -08:00
Christoph M. Wintersteiger
4e37821dde "canceled" -> Z3_CANCELED_MSG
Relates to #431
2016-02-04 13:52:43 +00:00
Nikolaj Bjorner
a7e2fb31e3 updates to resource exceptions, update master possibly handle pull request issue
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-12 11:36:49 -08:00
Nikolaj Bjorner
2a051719d8 cleanup deprecated critical sections, fix cancellation for par_or_else tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-12 09:43:00 -08:00
Nikolaj Bjorner
baee4225a7 reworking cancellation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-12-11 16:21:24 -08:00
Nikolaj Bjorner
7639eff29b retain default configuration between calls to SMT tactic so that values are not overwritten between calls to smt-setup. Fixes bug #196
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-08-25 11:09:10 -07:00
Nikolaj Bjorner
702af71a2d Check more frequently for cancelation flags to address grep0095.stp.smt2 in issue #178. Z3 spends time in pre-processing simplification, which indicates there is some opportunity to tune this portion of the code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-08-11 23:14:34 +02:00
Nikolaj Bjorner
424f34d3d9 enable smt tactic to be used even if cores are enabled, as long as no cores are tracked, fixes issue #189
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-08-11 11:16:41 +02:00
Nikolaj Bjorner
96c8b1e7ff fixup model construction on undef results for arithmetic. Fixes issue #161
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-07-13 12:44:07 -07:00
Nikolaj Bjorner
4bc044c982 update header guards to be C++ style. Fixes issue #9
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-07-08 23:18:40 -07:00
Nikolaj Bjorner
d9522cfd07 fix mixed integer/real bugs for maximization exposed by non-termination in slow.smt. partially fixes issue #56
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-06-23 12:05:19 +02:00
Nikolaj Bjorner
d32e4a9476 exposing facility to extract dependent clauses
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-06-22 23:36:52 +02:00
Nikolaj Bjorner
839e3fbb7c add ddnf tests, add facility to solve QF_NRA + QF_UF(and other theories) in joint solver to allow broader use of QF_NRA core
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-05-09 19:40:34 -07:00
Nikolaj Bjorner
f2ecd70e65 fix ctx solver simplify, remove horn inequalities
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-03-01 11:02:18 -08:00
Nikolaj Bjorner
891d0d07f8 removig unsound simplification in ctx-solver-simplify tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-02-27 13:42:40 -08:00
Nikolaj Bjorner
9e61820125 re-organizing muz
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-08-28 21:49:53 -07:00
Nikolaj Bjorner
d9e3881560 Merge branch 'unstable' of https://git01.codeplex.com/z3 into unstable 2013-06-27 12:00:09 -05:00
Nikolaj Bjorner
619bd91ddb fix bug in ctx-solver-simplify reported @ http://z3.codeplex.com/workitem/51
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-06-27 11:59:40 -05:00
Leonardo de Moura
5b7201a911 Fix minor problem
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-06-27 09:30:25 -07:00
Nikolaj Bjorner
bbe93ef610 fix build warning, make context simplifier traverse subterms
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-03-24 18:26:22 -07:00
Nikolaj Bjorner
7e9f4e264d working on separating horn simplificaiton
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-03-18 21:46:42 -07:00
Leonardo de Moura
e055e0b47c Fixed other parameter setting problems
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-07 10:41:50 -08:00
Leonardo de Moura
5379130c8c eliminated m_proof_mode from smt_params, ast_manager has this information
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-05 08:35:03 -08:00
Leonardo de Moura
773f82a44c connected smt_params with new parameter infrastructure
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 14:47:34 -08:00
Leonardo de Moura
ffb7e26c75 removed front-end-params
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 10:05:29 -08:00
Leonardo de Moura
29cf179364 more reorg
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-01 17:03:14 -08:00
Leonardo de Moura
cf28cbab0a saved params work
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-29 17:19:12 -08:00
Leonardo de Moura
026c81ba29 Simplified asserted_formulas. From now on, we should use tactics for qe, der, solve, etc.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-22 16:20:02 -08:00
Leonardo de Moura
cadd35bf7a checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-01 21:44:35 -07:00
Leonardo de Moura
7cdf5e493b moved smt tactic to smt folder
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-01 08:48:54 -07:00
Leonardo de Moura
4cf211acd4 moving tactics to tactic folder
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-24 14:15:15 -07:00
Leonardo de Moura
9e299b88c4 reorganizing the code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-23 21:53:34 -07:00