python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer_res.csv --start-time 0 --stop-time 86400 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((ahu.fan.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= ahu.fan.etaHyd, has value: -4.59545e-21"
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_11_Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer.fmutmp/sources/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer_functions.c:8460: Invalid root: (-3.86948)^(-1.5)
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_11_Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer.fmutmp/sources/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer_functions.c:8460: Invalid root: (-3.86948)^(-1.5)
LOG_ASSERT        | debug   | /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/Buildings_11_Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer.fmutmp/sources/Buildings_11_Buildings_Applications_DataCenters_ChillerCooled_Examples_NonIntegratedPrimarySecondaryEconomizer_functions.c:8460: Invalid root: (-3.86948)^(-1.5)
LOG_ASSERT        | debug   | Solving non-linear system 5791 failed at time=120.000000294159.
|                 | |       | 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 0x7f1782a9dc90>>
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).
Traceback (most recent call last):
  File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/__main__.py", line 4, in <module>
    main()
  File "/usr/local/lib/python3.10/dist-packages/fmpy/command_line.py", line 167, in main
    result = simulate_fmu(args.fmu_filename,
  File "/usr/local/lib/python3.10/dist-packages/fmpy/simulation.py", line 759, in simulate_fmu
    result = simulateME(model_description, fmu, start_time, stop_time, solver, step_size, relative_tolerance, start_values, apply_default_start_values, input, output, output_interval, record_events, timeout, step_finished, validate, set_stop_time)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/simulation.py", line 1059, in simulateME
    state_event, roots_found, time = solver.step(time, t_next)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/sundials/__init__.py", line 178, in step
    raise RuntimeError("CVode error (code %s) in module %s, function %s: %s" % self.error_info)
RuntimeError: CVode error (code -8) in module CVODE, function CVode: At t = 120, the right-hand side routine failed in an unrecoverable manner.