Regular simulation: ./Buildings_7.0.0_Buildings.Obsolete.Utilities.IO.Python27.Functions.Examples.Exchange -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. Limited backtrace at point of segmentation fault /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f3e563ac980] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyFloat_FromDouble+0x10)[0x7f3e57d8d7b0] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyNumber_Float+0x2f)[0x7f3e57c681bf] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x181045)[0x7f3e57d95045] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x124095)[0x7f3e57d38095] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f3e57d88913] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x41e1)[0x7f3e57cb2951] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x7d8)[0x7f3e57df3908] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(+0x17a649)[0x7f3e57d8e649] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyObject_Call+0x43)[0x7f3e57d88913] /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0(PyEval_CallObjectWithKeywords+0x47)[0x7f3e57df2e37] /var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/Resources/Library/linux64/libModelicaBuildingsPython2.7.so(pythonExchangeValuesNoModelica+0x912)[0x7f3e58192b0e] ./Buildings_7.0.0_Buildings.Obsolete.Utilities.IO.Python27.Functions.Examples.Exchange(omc_Buildings_Obsolete_Utilities_IO_Python27_Functions_BaseClasses_exchange+0x155)[0x40a5df] ./Buildings_7.0.0_Buildings.Obsolete.Utilities.IO.Python27.Functions.Examples.Exchange(omc_Buildings_Obsolete_Utilities_IO_Python27_Functions_exchange+0x211)[0x40a10e] ./Buildings_7.0.0_Buildings.Obsolete.Utilities.IO.Python27.Functions.Examples.Exchange(Buildings_7_0_0_Buildings_Obsolete_Utilities_IO_Python27_Functions_Examples_Exchange_eqFunction_2+0xe03)[0x409427]