python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Examples.VAVCO2.VAVSystemCTControl_res.csv --start-time 0 --stop-time 172800 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 Buildings_11_Buildings_Examples_VAVCO2_VAVSystemCTControl.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((roo.mix55.port_3.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.mix55.port_3.C_outflow[1], has value: -2.94239e-35"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((roo.mix54.port_1.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.mix54.port_1.C_outflow[1], has value: -8.82718e-35"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((roo.mix54.port_3.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.mix54.port_3.C_outflow[1], has value: -8.82718e-35"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((roo.mix53.port_1.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.mix53.port_1.C_outflow[1], has value: -2.64815e-34"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((roo.port_bExh.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.port_bExh.C_outflow[1], has value: -2.94239e-35"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((fan32.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan32.eff.yMot, has value: -7.36654e-25"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((fan56.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan56.eff.yMot, has value: -1.39164e-24"
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 "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/__main__.py", line 4, in <module>
    main()
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/command_line.py", line 169, in main
    result = simulate_fmu(args.fmu_filename,
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-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 "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/simulation.py", line 1059, in simulateME
    state_event, roots_found, time = solver.step(time, t_next)
  File "/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-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 = 28820.1, mxstep steps taken before reaching tout.