python3 -m fmpy simulate  --output-file ThermofluidStream_ThermofluidStream.Examples.WaterHammer_res.csv --start-time 0 --stop-time 25 --timeout 1200 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.025 ThermofluidStream_ThermofluidStream_Examples_WaterHammer.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.1.0-main/Boundaries/Internal/PartialVolume.mo:114:3-114:109:writable]
|                 | |       | The following assertion has been violated at time 7.425000
|                 | |       | ((checkValve.inlet.m_flow > reservoir.m_flow_assert)) --> "Negative mass flow rate at Volume inlet"