Nikolaj Bjorner
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26f4d3be20
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significant update to Horn routines: add module hnf to extract Horn normal form (removed from rule_manager). Associate proof objects with rules to track (all) rewrites, so that proof traces can be tracked back to original rules after transformations
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2013-03-23 14:11:54 -07:00 |
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Nikolaj Bjorner
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5455704af2
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move quantifier hoist routines to quant_hoist
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2013-03-19 15:00:23 -07:00 |
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Nikolaj Bjorner
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7e9f4e264d
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working on separating horn simplificaiton
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2013-03-18 21:46:42 -07:00 |
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Christoph M. Wintersteiger
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e5307300de
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FPA: bugfixes in mul() and abs()
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
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2013-03-06 15:04:58 +00:00 |
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Christoph M. Wintersteiger
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e5f03f999a
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FPA: Added conversion operator float -> float.
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
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2013-03-04 20:21:14 +00:00 |
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Leonardo de Moura
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97bf9418f7
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Add new probes for arithmetic. Check for LIA and LRA (and activate qe if applicable). Modify echo tactic to send results to the regular stream.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2013-02-20 13:41:08 -08:00 |
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Leonardo de Moura
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c4f762028f
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Add support for abs (absolute value) function in theory arith (it is part of the SMT-LIB 2.0 standard)
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2013-02-03 15:28:56 -08:00 |
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Leonardo de Moura
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8515044f8b
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Add option bvnot2arith
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-27 20:28:42 -08:00 |
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Leonardo de Moura
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2a286541e0
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Fix crash reported at http://z3.codeplex.com/workitem/11. Fix array rewriter bug, rewriter was producing sort incorrect expression.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-26 08:36:25 -08:00 |
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Leonardo de Moura
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cec328cfdc
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Add get_sort(expr * n) function that does not depend on ast_manager. Move power_of_two to rational class. Add arith_recognizers and bv_recognizers classes. The two new classes contain the 'read-only' methods from arith_util and bv_util.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-18 14:44:51 -08:00 |
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Leonardo de Moura
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08789b69d4
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Fix warning on FreeBSD
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-17 20:56:20 -08:00 |
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Leonardo de Moura
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7e66a65e98
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Add blast_distinct_threshold option to rewriter. Enable blast_distinct in the QF_LIA default strategy
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-17 10:32:00 -08:00 |
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Leonardo de Moura
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a07b459fdf
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Added is_unique_value. Its semantics is equal to the old is_value method. The contract for is_value changed. See comments at ast.h for more information.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-07 12:53:51 -08:00 |
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Leonardo de Moura
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75739fdf7b
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fixed memory smash
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-06 08:19:42 -08:00 |
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Leonardo de Moura
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a99b8fe797
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exposed rewriter parameters
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-02 22:03:30 -08:00 |
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Leonardo de Moura
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6107e8d9ce
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moved old params files
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-02 10:47:04 -08:00 |
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Leonardo de Moura
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32791204e7
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merged
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-12-01 16:36:24 -08:00 |
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Christoph M. Wintersteiger
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f78e595b56
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Added QF_FPABV logic, default tactic, and the asIEEEBV conversion function.
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
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2012-12-01 15:51:33 +00:00 |
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Leonardo de Moura
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cf28cbab0a
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saved params work
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-11-29 17:19:12 -08:00 |
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Leonardo de Moura
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5e7436cb50
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Removed (some) dead parameters. Added doxygen documentation for the whole code base.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-11-22 10:06:24 -08:00 |
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Leonardo de Moura
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26ffee95fc
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resurrecting assertion stack
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-11-01 12:37:24 -07:00 |
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Leonardo de Moura
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cb8a6db51b
|
minor fixes after feedback from regression tests...
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2012-10-30 09:20:28 -07:00 |
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Leonardo de Moura
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c5540c7de9
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new xor simplification
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-10-26 14:57:06 -07:00 |
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Leonardo de Moura
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1ea606092c
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checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-10-25 15:44:53 -07:00 |
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Leonardo de Moura
|
f57d4b1b19
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reorganizing the code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-10-25 11:28:03 -07:00 |
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Leonardo de Moura
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0a4446ae26
|
reorganizing the code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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2012-10-23 22:14:35 -07:00 |
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