python3 -m fmpy simulate  --output-file Modelica_3.2.3_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv --start-time 0 --stop-time 2 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.001 Modelica_3_2_3_Modelica_Thermal_FluidHeatFlow_Examples_ParallelPumpDropOut.fmu