python3 -m fmpy simulate  --output-file Buildings_9_Buildings.Fluid.FMI.ExportContainers.Validation.RoomHVAC_res.csv --start-time 1.5552e+07 --stop-time 1.56384e+07 --timeout 50 --relative-tolerance 1e-07 --interface-type ModelExchange --solver CVode --output-interval 34.56 Buildings_9_Buildings_Fluid_FMI_ExportContainers_Validation_RoomHVAC.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:348:3-357:39:writable]
|                 | |       | The following assertion has been violated during initialization at time 15552000.000000
|                 | |       | ((hvaCon2.fan.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning: You are using a flow or pressure controlled mover with the
|                 | |       |              default pressure curve.
|                 | |       |              This leads to approximate calculations of the electrical power
|                 | |       |              consumption. Add the correct pressure curve in the record per
|                 | |       |              to obtain an accurate computation.
|                 | |       |              Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning."
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:348:3-357:39:writable]
|                 | |       | The following assertion has been violated during initialization at time 15552000.000000
|                 | |       | ((hvaCon2.fan2.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning: You are using a flow or pressure controlled mover with the
|                 | |       |              default pressure curve.
|                 | |       |              This leads to approximate calculations of the electrical power
|                 | |       |              consumption. Add the correct pressure curve in the record per
|                 | |       |              to obtain an accurate computation.
|                 | |       |              Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning."
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 -27) in module CVODE, function CVode: tout too close to t0 to start integration.