Environment - simulationEnvironment: startTime=0 stopTime=1000 tolerance=1e-12 numberOfIntervals=2500 stepSize=0.4 Regular simulation: ./AixLib_AixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1 -abortSlowSimulation -alarm=240 -lv LOG_STATS LOG_STDOUT | info | Created socket handle: 3 (sending socket) LOG_STDOUT | info | ProcessPriority constructor: Original nice value: 0 LOG_STDOUT | info | Created socket handle: 4 (receiving socket) LOG_STDOUT | info | Binding receiving UDP socket to port 10003 ... LOG_ASSERT | debug | MDDUDPSocket.h: bind(..) failed (Address already in use) LOG_ASSERT | info | simulation terminated by an assertion at initialization Limited backtrace at point of segmentation fault /usr/lib/x86_64-linux-gnu/libc.so.6(+0x45cb0) [0x70517b624cb0] ./AixLib_AixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1(MDD_udpDestructor+0x8) [0x570ea9151a9c] ./AixLib_AixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1(AixLib_AixLib_Controls_HVACAgentBasedControl_Examples_BookTrading_NetworkCommunication1_callExternalObjectDestructors+0x57) [0x570ea9152c07] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(_main_SimulationRuntime+0x8d) [0x70517c7e9ffd] ./AixLib_AixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1(main+0x1e2) [0x570ea91512db] /usr/lib/x86_64-linux-gnu/libc.so.6(+0x2a601) [0x70517b609601] /usr/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x88) [0x70517b609718] ./AixLib_AixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1(_start+0x25) [0x570ea914aaa5]