python3 -m fmpy simulate  --output-file Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Elementary.FreeBody_res.csv --start-time 0 --stop-time 10 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0019992 Modelica_4_0_0_Modelica_Mechanics_MultiBody_Examples_Elementary_FreeBody.fmu