python3 -m fmpy simulate  --output-file Modelica_trunk_Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder_res.csv --start-time 0 --stop-time 1e-06 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.001e-09 Modelica_trunk_Modelica_Electrical_Spice3_Examples_Spice3BenchmarkFourBitBinaryAdder.fmu
LOG_STDOUT        | info    | Using sparse solver for linear system 0,
|                 | |       | because density of 0.002 remains under threshold of 0.200
|                 | |       | and size of 1394 exceeds threshold of 1000.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 19,
|                 | |       | because density of 0.002 remains under threshold of 0.200
|                 | |       | and size of 1394 exceeds threshold of 1000.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | The maximum density and the minimal system size for using sparse solvers can be
|                 | |       | specified using the runtime flags '<-lssMaxDensity=value>' and '<-lssMinSize=value>'.
LOG_ASSERT        | debug   | division by zero at time 0, (a=-0.03846153846153846) / (b=0), where divisor b expression is: X1.X1.X1.X2.Q4.cc.capbx
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 933, in simulateME
    fmu.exitInitializationMode()
  File "/usr/local/lib/python3.10/dist-packages/fmpy/fmi2.py", line 280, in exitInitializationMode
    return self.fmi2ExitInitializationMode(self.component)
  File "/usr/local/lib/python3.10/dist-packages/fmpy/fmi2.py", line 215, in w
    raise FMICallException(function=fname, status=res)
fmpy.fmi1.FMICallException: fmi2ExitInitializationMode failed with status 3 (error).