Murphy Berzish
1363f50e4f
demonstration of theory-aware branching in theory_str, WIP
2017-01-10 19:50:46 -05:00
Murphy Berzish
ab0fcc42f9
theory case split heuristic
2016-12-20 16:21:07 -05:00
Murphy Berzish
a04bc9974b
theory case split WIP
2016-12-20 11:14:42 -05:00
Murphy Berzish
e85f9d33c4
add "legacy" support for theory case splits
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this replicates what was done in theory_str to add axioms excluding each
pair of literals from being assigned True at the same time;
no new heuristics are being used in smt_context (yet)
2016-12-16 15:50:03 -05:00
Nikolaj Bjorner
67397bf71e
enable logic parameter update to configure SMTLIB logic
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-10 17:11:12 -08:00
Nikolaj Bjorner
baee4225a7
reworking cancellation
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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
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-10-31 14:28:21 -07:00
Nikolaj Bjorner
4b1a730f46
API method for translating context
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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
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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
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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
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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
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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
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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
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-10-22 09:45:04 -07:00
Nikolaj Bjorner
d6964226c7
indentation
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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
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-09-14 13:06:01 -07:00
Nikolaj Bjorner
8c85ee6b7c
fixing lex optimization
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-12-13 23:36:42 +01:00
Nikolaj Bjorner
50cc852112
working on pb
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-17 20:15:24 -08:00
Leonardo de Moura
ffb7e26c75
removed front-end-params
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 10:05:29 -08:00
Leonardo de Moura
9374a4e20a
removed ini_file
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-01 16:30:39 -08:00
Leonardo de Moura
6195ed7c66
checkpoint
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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.
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-22 16:20:02 -08:00
Leonardo de Moura
c9722a1313
removing dead code
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-11-01 12:21:14 -07:00
Leonardo de Moura
e2f3f9abd7
removed dead code
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-31 14:58:21 -07:00
Leonardo de Moura
add684d8e9
checkpoint
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
