python3 -m fmpy simulate  --output-file ThermoSysPro_ThermoSysPro.Examples.SimpleExamples.TestCentrifugalPump9_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 ThermoSysPro_ThermoSysPro_Examples_SimpleExamples_TestCentrifugalPump9.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/WaterSteam/Machines/CentrifugalPump.mo:94:3-94:43:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((centrifugalPump.hn >= 0.0)) --> "Variable violating min constraint: 0.0 <= centrifugalPump.hn, has value: -0.559372"