python3 -m fmpy simulate --output-file Buildings_latest_Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case630_res.csv --start-time 0 --stop-time 3.1536e+07 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 3600 Buildings_latest_Buildings_ThermalZones_Detailed_Validation_BESTEST_Cases6xx_Case630.fmu LOG_NLS | error | residualFunc5864: Iteration variable `` is inf or nan. LOG_ASSERT | debug | residualFunc5864 failed at time=1265749.82872291. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 1.26575e+06. | | | | | 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