python3 -m fmpy simulate  --output-file OpenIPSL_2.0.0_OpenIPSL.Examples.SevenBus.Network_res.csv --start-time 0 --stop-time 10 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.004 OpenIPSL_2_0_0_OpenIPSL_Examples_SevenBus_Network.fmu
LOG_NLS           | error   | residualFunc2833: Iteration variable `(null)` is inf or nan.
LOG_ASSERT        | debug   | residualFunc2833 failed at time=9.04642414342614.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed at time 9.04642.
|                 | |       | | 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