Nikolaj Bjorner
3de5af3cb0
fix bug in bound simplification in Gomory for mixed integer linear cuts, enable fixed variable redution after bugfix, add notes that rewriting bounds does not work
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2023-11-10 16:39:04 +01:00
Nikolaj Bjorner
5e3df9ee77
Arith min max ( #6864 )
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* prepare for dependencies
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* snapshot
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* more refactoring
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* more refactoring
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* pass in u_dependency_manager
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* address NYIs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* more refactoring names
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* eq_explanation update
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* add outline of bounds improvement functionality
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* fix unit tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* remove unused structs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* more bounds
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* more bounds
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* convert more internals to use u_dependency instead of constraint_index
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* convert more internals to use u_dependency instead of constraint_index
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* remember to push/pop scopes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* use the main function for updating bounds
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* remove reset of shared dep manager
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
* disable improve-bounds, add statistics
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2023-08-19 17:44:09 -07:00
Lev Nachmanson
e091a2e775
remove the line with clang-format off
2023-07-10 12:05:59 -07:00
Lev Nachmanson
5ed2a82893
set clang format off for lp files ( #6795 )
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* adding // clang-format off
* set clang-format off at the beginning of lp files
* set clang-format off
* remove dead code
2023-07-03 17:35:16 -07:00
Nikolaj Bjorner
d2e3e4895e
add instrumentation to theory_lra for shuffling final check
2023-04-26 10:05:00 -07:00
Bruce Mitchener
a89be68050
Use false instead of 0.
2022-08-01 18:28:07 +03:00
Nikolaj Bjorner
857557ad93
deal with compiler warnings
2021-03-08 20:39:19 -08:00
Lev Nachmanson
7a4eed0216
add comments to hnf_cutter
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-07-04 09:33:45 -07:00
Lev Nachmanson
49e49d6bb6
add comments to hnf_cutter
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-07-04 09:33:45 -07:00
Lev Nachmanson
80a4da9b1d
add comments to hnf_cutter
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-07-04 09:33:45 -07:00
Lev Nachmanson
af2f74c05f
smarter explanation.h ( #4385 )
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* smarter explanation.h
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* clean explanation API
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* suppress warnings
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* disable the warnings
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-05-19 12:38:44 -07:00
Lev Nachmanson
5208b64a6b
expose only necessary methods of lar_solver
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-04-16 12:58:39 -07:00
Nikolaj Bjorner
d702f48f9e
change lar_terms to use column indices
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-06 12:13:59 -07:00
Nikolaj Bjorner
c2e5cd78c8
change lar_terms to use column indices
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-06 12:13:59 -07:00
Nikolaj Bjorner
080dbb13b0
tv alignment, code review comments
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-05 03:35:19 -07:00
Lev Nachmanson
f5b62015fc
change the return type of ival.var() to tv
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
6ea0bcb454
round the bound for columns and terms when it can be deduced that they are integral
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
f1abc71c35
fix #2962
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-10 11:44:10 -08:00
Nikolaj Bjorner
c8b98d8b48
move hnf cut functionality
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-09 09:22:02 -08:00
