python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed_res.csv --start-time 0 --stop-time 1000 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_VariableSpeed.fmu
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed/521.fmutmp/sources/Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_VariableSpeed_functions.c:1605: Invalid root: (-nan)^(2)
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed/521.fmutmp/sources/Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_VariableSpeed_functions.c:1605: Invalid root: (-nan)^(2)
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_VariableSpeed/521.fmutmp/sources/Buildings_latest_Buildings_Fluid_HeatPumps_Validation_ScrollWaterToWater_VariableSpeed_functions.c:1605: Invalid root: (-nan)^(2)
LOG_ASSERT        | debug   | Solving non-linear system 297 failed at time=108.00000031029.
|                 | |       | For more information please use -lv LOG_NLS.
Exception ignored on calling ctypes callback function: <bound method CVodeSolver.f of <fmpy.sundials.CVodeSolver object at 0x7f2c32c92f80>>
Traceback (most recent call last):
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/sundials/__init__.py", line 141, in f
    self.get_dx(NV_DATA_S(ydot), self.nx)
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/fmi2.py", line 505, in getDerivatives
    return self.fmi2GetDerivatives(self.component, dx, nx)
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/fmi2.py", line 215, in w
    raise FMICallException(function=fname, status=res)
fmpy.fmi1.FMICallException: fmi2GetDerivatives failed with status 3 (error).