Environment - simulationEnvironment: startTime=0 stopTime=5 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.002 Regular simulation: ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_STDOUT | warning | External object 0 is NULL, did a external constructor fail? LOG_SUCCESS | info | The initialization finished successfully without homotopy method. Limited backtrace at point of segmentation fault /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f078b008520] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(omc_Modelica__DeviceDrivers_ClockedBlocks_Packaging_SerialPackager_Internal_DummyFunctions_clear+0xe)[0x556a2b2312ad] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(Modelica_DeviceDrivers_Modelica_DeviceDrivers_ClockedBlocks_Examples_TestSerialPackager_String_eqFunction_79+0x38)[0x556a2b234d15] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(Modelica_DeviceDrivers_Modelica_DeviceDrivers_ClockedBlocks_Examples_TestSerialPackager_String_functionEquationsSynchronous_system_0_0+0x178)[0x556a2b235c85] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(Modelica_DeviceDrivers_Modelica_DeviceDrivers_ClockedBlocks_Examples_TestSerialPackager_String_function_equationsSynchronous+0x10)[0x556a2b236185] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(handleBaseClock+0x194)[0x7f078bf37e94] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(handleTimers+0xc6)[0x7f078bf38246] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(Modelica_DeviceDrivers_Modelica_DeviceDrivers_ClockedBlocks_Examples_TestSerialPackager_String_performSimulation+0x911)[0x556a2b22f271] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(solver_main+0x3a5)[0x7f078bf434e5] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(+0x2db502)[0x7f078c031502] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(startNonInteractiveSimulation+0xdc1)[0x7f078c0305c1] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(_main_SimulationRuntime+0x5d)[0x7f078c03424d] ./Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_String(main+0x1d9)[0x556a2b230d3d] /lib/x86_64-linux-gnu/libc.so.6(+0x29d90)[0x7f078afefd90] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80)[0x7f078afefe40]