def simulation_paths(sim_id, conf):
    """
    Get paths to simulation files.
     
    :param sim_id: the simulation id
    :param conf: configuration
    """
    return {'log_path' : conf['logs_path'] + '/' + sim_id + '.log' ,
            'json_path' : conf['jobs_path'] + '/' + sim_id + '.json',
            'state_path' : conf['sims_path'] + '/' + sim_id + '.json',
            'run_script' : conf['jobs_path'] + '/' + sim_id + '.sh'}