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add note about opt.incremental

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2022-07-05 08:20:46 -07:00
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7
RELEASE_NOTES.md
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@ -35,7 +35,12 @@ Version 4.9.0
totalizer encoding or built-in cardinality constraints.
The default engine is still maxres, so you have to set opt.maxsat_engine=rc2 to
enable the rc2 option at this point. The engines maxres-bin and rc2bin are experimental should not be used
(they are inferior to default options).
(they are inferior to default options).
- Incremental constraints during optimization set option opt.incremental = true
- The interface `Z3_optimize_register_model_eh` allows to monitor incremental results during optimization.
It is now possible to also add constraints to the optimization context during search.
You have to set the option opt.incremental=true to be able to add constraints. The option
disables some pre-processing functionality that removes variables from the constraints.
Version 4.8.17
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