python3 -m fmpy simulate  --output-file Buildings_8_Buildings.Fluid.Examples.ResistanceVolumeFlowReversal_res.csv --start-time 0 --stop-time 10000 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Fluid_Examples_ResistanceVolumeFlowReversal.fmu
LOG_NLS           | error   | residualFunc793: Iteration variable xloc[0] is nan.
LOG_ASSERT        | debug   | residualFunc793 failed at time=9500.0000145316.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed at time 9500.
|                 | |       | | The non-linear solver tries to solve the problem that could take some time.
|                 | |       | | It could help to provide better start-values for the iteration variables.
|                 | |       | | For more information simulate with -lv LOG_NLS_V