double min_by_cpu = surf_cpu_model_pm->nextOccuringEvent(now);
double min_by_net = surf_network_model->nextOccuringEventIsIdempotent() ? surf_network_model->nextOccuringEvent(now) : -1;
double min_by_cpu = surf_cpu_model_pm->nextOccuringEvent(now);
double min_by_net = surf_network_model->nextOccuringEventIsIdempotent() ? surf_network_model->nextOccuringEvent(now) : -1;