Open AllenZzw opened 2 weeks ago
It does seem like the instance is legitimately creating and attaching more than 65,536 propagators to the same variable. It seems likely that implementing the diffn
or circuit
global will resolve this issue, but I'm not 100% sure.
We could increase the maximum number of attached propagators, but I'm just not sure how our solver would do anything with the number of variables/propagators used in this instance currently.
%%%mzn-stat: flatBoolVars=378893
%%%mzn-stat: flatIntVars=639692
%%%mzn-stat: flatBoolConstraints=133400
%%%mzn-stat: flatIntConstraints=897424
I think we should probably wait to further investigate this issue until we have some more global constraint propagators.
P.S. You do indeed need the version from the 2024 challenge to compile using the current version of MiniZinc.
When solving the p_7_SGSG_GSG_yumi_grid_setup_5_5_zones.dzn instance with the model, the solver will output the following message: