Environment - simulationEnvironment: startTime=0 stopTime=900 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.36 Regular simulation: ./Buildings_9_Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_ASSERT | debug | ##IDA## In function IDASVtolerances: One of the function inputs is illegal. Limited backtrace at point of segmentation fault /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f7e9ff0f520] ./Buildings_9_Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow(cfdSendStopCommand+0xe)[0x560b9e1eb116] ./Buildings_9_Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow(Buildings_9_Buildings_ThermalZones_Detailed_Examples_FFD_RoomOnlyExteriorWallNoWindow_callExternalObjectDestructors+0x25)[0x560b9e1f1b0d] /var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(_main_SimulationRuntime+0x8d)[0x7f7ea0d9b99d] ./Buildings_9_Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow(main+0x21a)[0x560b9e1eb09c] /lib/x86_64-linux-gnu/libc.so.6(+0x29d90)[0x7f7e9fef6d90] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80)[0x7f7e9fef6e40] ./Buildings_9_Buildings.ThermalZones.Detailed.Examples.FFD.RoomOnlyExteriorWallNoWindow(_start+0x25)[0x560b9e1e8c45]