Running command: translateModel(Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_UDP,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager_UDP") Notification: Performance of loadModel(Modelica_DeviceDrivers): time 2.143/2.143, allocations: 237.8 MB / 250.4 MB, free: 8.148 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 2.86e-05/2.869e-05, allocations: 4 kB / 306.6 MB, free: 10.57 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09168/0.09173, allocations: 53.28 MB / 359.9 MB, free: 5.207 MB / 298.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3579/0.4496, allocations: 88.18 MB / 448.1 MB, free: 2.312 MB / 362.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002298/0.4499, allocations: 71.97 kB / 448.1 MB, free: 2.242 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.04455/0.4945, allocations: 10.98 MB / 459.1 MB, free: 7.266 MB / 378.7 MB Notification: Performance of FrontEnd: time 1.9e-06/0.4945, allocations: 0 / 459.1 MB, free: 7.266 MB / 378.7 MB Notification: Performance of Transformations before backend: time 3.996e-05/0.4946, allocations: 16 kB / 459.1 MB, free: 7.25 MB / 378.7 MB Warning: Alias equations of external objects are not Modelica compliant as in: getFloat.pkgOut[1].pkg = getInteger.pkgIn.pkg getFloat.pkgIn.pkg = getReal.pkgOut[1].pkg addFloat.pkgOut[1].pkg = addInteger.pkgIn.pkg addFloat.pkgIn.pkg = addReal.pkgOut[1].pkg getReal.pkgIn.pkg = uDPReceive.pkgOut.pkg addInteger.pkgOut[1].pkg = uDPSend.pkgIn.pkg addReal.pkgIn.pkg = packager.pkgOut.pkg getFloat.pkgOut[1].pkg = getFloat.pkgIn.pkg addFloat.pkgOut[1].pkg = addFloat.pkgIn.pkg getReal.pkgOut[1].pkg = getReal.pkgIn.pkg addInteger.pkgOut[1].pkg = addInteger.pkgIn.pkg addReal.pkgOut[1].pkg = addReal.pkgIn.pkg Error: Too many equations, over-determined system. The model has 134 equation(s) and 131 variable(s). [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica_DeviceDrivers 2.0.0/ClockedBlocks/Communication.mo:156:5-168:11:writable] Error: Internal error if not previous(uDPReceive.initialized) then uDPReceive.initialized = true uDPReceive.socket = Modelica_DeviceDrivers.Communication.UDPSocket.constructor(uDPReceive.port_recv, uDPReceive.bufferSize, true) getFloat.pkgOut[1].pkg = Modelica_DeviceDrivers.Packaging.SerialPackager.constructor(uDPReceive.bufferSize) uDPReceive.bufferSize = if uDPReceive.autoBufferSize then Modelica_DeviceDrivers.Packaging.alignAtByteBoundary(uDPReceive.pkgOut.autoPkgBitSize) else uDPReceive.userBufferSize else uDPReceive.initialized = previous(uDPReceive.initialized) uDPReceive.socket = previous(uDPReceive.socket) uDPReceive.bufferSize = previous(uDPReceive.bufferSize) getFloat.pkgOut[1].pkg = previous(getFloat.pkgOut[1].pkg) end if has size size 4 but 3 variables (uDPReceive.pkgOut.autoPkgBitSize, uDPReceive.bufferSize, uDPReceive.initialized) Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 134 * Number of variables: 131 Notification: Performance of Generate backend data structure: time 0.002767/0.4974, allocations: 1.458 MB / 460.6 MB, free: 5.711 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.77e-05/0.4974, allocations: 11.97 kB / 460.6 MB, free: 5.699 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001459/0.4976, allocations: 59.25 kB / 460.7 MB, free: 5.641 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007649/0.4983, allocations: 406.1 kB / 461.1 MB, free: 5.207 MB / 378.7 MB Error: Internal error - BackendDAEOptimize.makeEquationToResidualExp failed to transform equation: uDPReceive.initialized = previous(uDPReceive.initialized) to residual form! Error: Internal error - BackendDAEOptimize.makeEquationToResidualExp failed to transform equation: packager.initialized = previous(packager.initialized) to residual form! Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001398/0.4985, allocations: 102.5 kB / 461.2 MB, free: 5.098 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001135/0.4986, allocations: 55.95 kB / 461.2 MB, free: 5.043 MB / 378.7 MB Error: Too many equations, over-determined system. The model has 134 equation(s) and 131 variable(s). [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica_DeviceDrivers 2.0.0/ClockedBlocks/Communication.mo:156:5-168:11:writable] Error: Internal error if not previous(uDPReceive.initialized) then uDPReceive.initialized = true uDPReceive.socket = Modelica_DeviceDrivers.Communication.UDPSocket.constructor(uDPReceive.port_recv, uDPReceive.bufferSize, true) getFloat.pkgOut[1].pkg = Modelica_DeviceDrivers.Packaging.SerialPackager.constructor(uDPReceive.bufferSize) uDPReceive.bufferSize = if uDPReceive.autoBufferSize then Modelica_DeviceDrivers.Packaging.alignAtByteBoundary(uDPReceive.pkgOut.autoPkgBitSize) else uDPReceive.userBufferSize else uDPReceive.initialized = previous(uDPReceive.initialized) uDPReceive.socket = previous(uDPReceive.socket) uDPReceive.bufferSize = previous(uDPReceive.bufferSize) getFloat.pkgOut[1].pkg = previous(getFloat.pkgOut[1].pkg) end if has size size 4 but 3 variables (uDPReceive.pkgOut.autoPkgBitSize, uDPReceive.bufferSize, uDPReceive.initialized) Notification: Performance of preOpt clockPartitioning (simulation) : time 0.0009297/0.4996, allocations: 415.1 kB / 461.6 MB, free: 4.641 MB / 378.7 MB Error: pre-optimization module clockPartitioning (simulation) failed.