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45 commits

Author SHA1 Message Date
Nikolaj Bjorner ea601dd403 fix and coallesce clique functionality
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-11-19 03:55:48 -08:00
Nikolaj Bjorner e9db934f1a improving perf of mutex finding, revert semantics of 0 timeout to no-timeout. Issue #791
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-11-17 04:26:17 +02:00
Nikolaj Bjorner 8d2b70a5e2 better encodings for at-most-1, #755
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-10 23:46:03 -07:00
Nikolaj Bjorner 76cf28d48b move from uint_set to hashtable over unsigned to save memory overhead in consequence generation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-08 13:34:59 -07:00
Nikolaj Bjorner c5dd441947 fixes to consequence generation and cancellation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-07 11:50:26 -07:00
Nikolaj Bjorner 3b70dd6678 tuning by using get_consequences2
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-06 14:29:40 +08:00
Nikolaj Bjorner dc48008d46 fixestoconsequences
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-02 11:00:40 +08:00
Nikolaj Bjorner c746d46d80 add validation code, fix bugs in consequence finder
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-01 16:21:23 +08:00
Nikolaj Bjorner 4d9aadde35 updated consequence finder to fix bug in processing enumeration types
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-08-31 16:15:36 +08:00
Nikolaj Bjorner 491b3b34aa tune consequence finding. Factor solver pretty-printing as SMT-LIB into top-level
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-08-03 11:14:29 -07:00
Nikolaj Bjorner cb2d8d2107 add detection of non-fixed variables to consequence finding
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-30 19:12:41 -07:00
Nikolaj Bjorner d32019f4c9 fix consequence tracking for negated assumptions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-30 10:49:06 -07:00
Nikolaj Bjorner 8221a09659 fast path for antecedent extraction in smt_context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-28 16:49:19 -07:00
Nikolaj Bjorner 9c099d6b1b fix mb maximization logic, so far not accessible
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-06-20 16:39:03 -07:00
Nikolaj Bjorner 67397bf71e enable logic parameter update to configure SMTLIB logic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-03-01 09:48:24 -08:00
Nikolaj Bjorner ce8862d415 fix bug in conflict clause generation in seq-branch-variable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-26 18:15:45 -08:00
Nikolaj Bjorner 85d44c5d66 fix axioms for extract, add extensionality checking for shared variables, convert exceptions to unknown status per #419
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-18 11:09:41 +05:30
Nikolaj Bjorner fce286db91 Issue #354. Fix unsoundness in Array theory based on missing propagation of selects over ite expressions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-10 17:11:12 -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 1758799ef4 add translate facility to inc_sat_solver. Limit lemma copying to unit lemmas
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-07 10:00:14 -08:00
Nikolaj Bjorner 3d993a4ee1 Merge branch 'master' of https://github.com/Z3Prover/z3 into nsb/master 2015-11-06 17:29:53 -08:00
Nikolaj Bjorner b4cb51cdb3 working on Forking/Serializing a z3 Solver #209
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-06 17:29:24 -08:00
Nikolaj Bjorner fc592fc856 fix for #291. The root issue is that the set of antecedents is recycled as a fixed object between routines. Antecedents that were already allocated for a Gomory cut got reset by the internalizer. This causes unsound bounds axioms to be created
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-05 15:08:42 -08:00
Nikolaj Bjorner 9acaa49a05 adding translation routine to context to address enhancement request #209
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-10-31 14:28:21 -07:00
Nikolaj Bjorner 4b1a730f46 API method for translating context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-10-31 12:47:16 -07:00
Nikolaj Bjorner 5d71190468 add catch for cancellation intermixed with return value l_true. To address regressions in QF_LIA tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-09-29 16:50:59 -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
Nuno Lopes 45cfb80d14 tentatively fix another issue with char signedness as reported in issue #210
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2015-09-10 09:01:44 +01:00
Nikolaj Bjorner db24cb8087 add core validation option to directly validate cores using the context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-08-10 10:56:07 +02:00
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 08cb8b8de8 address divergence in the case of shared theory symbols. Codeplex issue 147, thanks to George Karpenkov
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-12-09 16:04:25 +01:00
Ken McMillan d815af9f0f merge duality changes with unstable 2014-10-22 10:14:05 -07:00
Nikolaj Bjorner 0e83a2b1af merge with latest unstable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-10-22 09:45:04 -07:00
Nikolaj Bjorner d6964226c7 indentation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-10-07 15:38:44 -07:00
Ken McMillan 4763532501 adding compile-time option to replace arrays with maps in smt (define SPARSE_MAP) 2014-09-30 11:25:47 -07:00
Nikolaj Bjorner 73070585b8 fix bug in core generation in legacy core: it ignores complementary literals
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-14 13:06:01 -07:00
Nikolaj Bjorner 8c85ee6b7c fixing lex optimization
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-13 23:36:42 +01:00
Nikolaj Bjorner 50cc852112 working on pb
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-17 20:15:24 -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 9374a4e20a removed ini_file
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-01 16:30:39 -08:00
Leonardo de Moura 6195ed7c66 checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-30 18:16:02 -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 c9722a1313 removing dead code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-01 12:21:14 -07:00
Leonardo de Moura e2f3f9abd7 removed dead code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-31 14:58:21 -07:00
Leonardo de Moura add684d8e9 checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
Renamed from lib/smt_context.h (Browse further)