private void create_group_is_serviced_vars()
{
for (int prior = 0; prior < InstData.getInstanceGeneratorConfig().number_of_priority_groups; prior++)
{
for (int t = 0; t < InstData.getInstanceGeneratorConfig().time_periods; t++)
{
this.group_is_serviced[prior, t] = Model.AddVar(0.00, 1.00, 1.00, GRB.BINARY, String.Format($"G_g{prior}_{t}", prior));
}
}
}
