python3 -m fmpy simulate  --output-file Buildings_9_Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940_res.csv --start-time 0 --stop-time 3.1536e+07 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 3600 Buildings_9_Buildings_ThermalZones_Detailed_Validation_BESTEST_Cases9xx_Case940.fmu
LOG_ASSERT        | debug   | Solving non-linear system 4167 failed at time=44.600007257991.
|                 | |       | 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 0x7fafc4799c00>>
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/fmpy/sundials/__init__.py", line 141, in f
    self.get_dx(NV_DATA_S(ydot), self.nx)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/fmi2.py", line 505, in getDerivatives
    return self.fmi2GetDerivatives(self.component, dx, nx)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/fmi2.py", line 215, in w
    raise FMICallException(function=fname, status=res)
fmpy.fmi1.FMICallException: fmi2GetDerivatives failed with status 3 (error).