Regular simulation: ./BuildingSystems_BuildingSystems.Applications.AirConditioningSystems.PhotovoltaicCoolingSystem -abortSlowSimulation -alarm=480 -lv LOG_STATS stdout | info | ... loading "tab1" from "/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/BuildingSystems 2.0.0-beta/Climate/weather/Brazil_Manaus.txt" assert | debug | BuildingSystems_BuildingSystems.Applications.AirConditioningSystems.PhotovoltaicCoolingSystem_functions.c:513: Invalid root: (-4.59428e-16)^(0.4) assert | warning | Failed to solve the initialization problem without homotopy method. If homotopy is available the homotopy method is used now. assert | debug | BuildingSystems_BuildingSystems.Applications.AirConditioningSystems.PhotovoltaicCoolingSystem_functions.c:513: Invalid root: (-4.59428e-16)^(0.4) assert | info | simulation terminated by an assertion at initialization