python3 -m fmpy simulate --output-file Buildings_9_Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600_res.csv --start-time 0 --stop-time 3.1536e+07 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 3600 Buildings_9_Buildings_ThermalZones_Detailed_Validation_BESTEST_Cases6xx_Case600.fmu LOG_NLS | error | residualFunc4127: Iteration variable `)J35YĠM*3,0ǐ0MB8¯X4\)z4xAkFa9AdڟAΨ8@}2j]!Aa` is inf or nan. LOG_ASSERT | debug | residualFunc4127 failed at time=39919.4518900213. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 39919.5. | | | | | 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