python3 -m fmpy simulate  --output-file ClaRa_ClaRa.Components.VolumesValvesFittings.Fittings.Check.Test_MixAndSplit_res.csv --start-time 0 --stop-time 3000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.2 ClaRa_ClaRa_Components_VolumesValvesFittings_Fittings_Check_Test_MixAndSplit.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.8.1/Basics/ControlVolumes/Fundamentals/SpacialDistribution/RealMixed.mo:23:3-23:72:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((join_Y1.mixingZone.phaseBorder.steamQuality_in[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= join_Y1.mixingZone.phaseBorder.steamQuality_in[1], has value: -1"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.8.1/Basics/ControlVolumes/Fundamentals/SpacialDistribution/RealMixed.mo:23:3-23:72:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((join_Y1.mixingZone.phaseBorder.steamQuality_in[2] >= 0.0)) --> "Variable violating min constraint: 0.0 <= join_Y1.mixingZone.phaseBorder.steamQuality_in[2], has value: -1"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.8.1/Basics/ControlVolumes/Fundamentals/SpacialDistribution/RealMixed.mo:24:3-24:75:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((join_Y1.mixingZone.phaseBorder.steamQuality_out[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= join_Y1.mixingZone.phaseBorder.steamQuality_out[1], has value: -1"
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 -1) in module CVODE, function CVode: At t = 0.459593, mxstep steps taken before reaching tout.