python3 -m fmpy simulate  --output-file PowerSystems_latest_PowerSystems.Examples.AC3ph.Precalculation.Z_matrixEqCirc1_res.csv --start-time 0 --stop-time 0 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0 PowerSystems_latest_PowerSystems_Examples_AC3ph_Precalculation_Z_matrixEqCirc1.fmu
/home/hudson/saved_omc/libraries/.local/lib/python3.10/site-packages/fmpy/simulation.py:712: RuntimeWarning: divide by zero encountered in log10
  step_size = 10 ** (np.round(np.log10(total_time)) - 3)