Running command: translateModel(Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackagerBitPack_UDP,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_DeviceDrivers_Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackagerBitPack_UDP") Notification: Performance of loadModel(Modelica_DeviceDrivers): time 2.192/2.192, allocations: 237.8 MB / 250.4 MB, free: 8.48 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 3.135e-05/3.15e-05, allocations: 4 kB / 306.6 MB, free: 10.95 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09333/0.09339, allocations: 53.27 MB / 359.9 MB, free: 5.598 MB / 298.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3605/0.4539, allocations: 87.35 MB / 447.2 MB, free: 3.449 MB / 362.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002324/0.4542, allocations: 71.97 kB / 447.3 MB, free: 3.379 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.04395/0.4982, allocations: 10.74 MB / 458 MB, free: 8.648 MB / 378.7 MB Notification: Performance of FrontEnd: time 2.08e-06/0.4982, allocations: 0 / 458 MB, free: 8.648 MB / 378.7 MB Notification: Performance of Transformations before backend: time 3.643e-05/0.4982, allocations: 12 kB / 458 MB, free: 8.637 MB / 378.7 MB Warning: Alias equations of external objects are not Modelica compliant as in: getInteger1.pkgIn.pkg = unpackInt1.pkgOut[1].pkg unpackInt.pkgOut[1].pkg = unpackInt1.pkgIn.pkg getReal.pkgOut[1].pkg = unpackInt.pkgIn.pkg getReal.pkgIn.pkg = uDPReceive2_1.pkgOut.pkg addInteger1.pkgOut[1].pkg = uDPSend.pkgIn.pkg addInteger1.pkgIn.pkg = packInt1.pkgOut[1].pkg packInt.pkgOut[1].pkg = packInt1.pkgIn.pkg addReal.pkgOut[1].pkg = packInt.pkgIn.pkg addReal.pkgIn.pkg = packager.pkgOut.pkg getReal.pkgOut[1].pkg = getReal.pkgIn.pkg addReal.pkgOut[1].pkg = addReal.pkgIn.pkg unpackInt1.pkgOut[1].pkg = unpackInt1.pkgIn.pkg addInteger1.pkgOut[1].pkg = addInteger1.pkgIn.pkg packInt1.pkgOut[1].pkg = packInt1.pkgIn.pkg unpackInt.pkgOut[1].pkg = unpackInt.pkgIn.pkg packInt.pkgOut[1].pkg = packInt.pkgIn.pkg Error: Too many equations, over-determined system. The model has 141 equation(s) and 138 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(uDPReceive2_1.initialized) then uDPReceive2_1.initialized = true uDPReceive2_1.socket = Modelica_DeviceDrivers.Communication.UDPSocket.constructor(uDPReceive2_1.port_recv, uDPReceive2_1.bufferSize, true) getInteger1.pkgIn.pkg = Modelica_DeviceDrivers.Packaging.SerialPackager.constructor(uDPReceive2_1.bufferSize) uDPReceive2_1.bufferSize = if uDPReceive2_1.autoBufferSize then Modelica_DeviceDrivers.Packaging.alignAtByteBoundary(uDPReceive2_1.pkgOut.autoPkgBitSize) else uDPReceive2_1.userBufferSize else uDPReceive2_1.initialized = previous(uDPReceive2_1.initialized) uDPReceive2_1.socket = previous(uDPReceive2_1.socket) uDPReceive2_1.bufferSize = previous(uDPReceive2_1.bufferSize) getInteger1.pkgIn.pkg = previous(getInteger1.pkgIn.pkg) end if has size size 4 but 3 variables (uDPReceive2_1.pkgOut.autoPkgBitSize, uDPReceive2_1.bufferSize, uDPReceive2_1.initialized) Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 141 * Number of variables: 138 Notification: Performance of Generate backend data structure: time 0.002988/0.5012, allocations: 1.531 MB / 459.6 MB, free: 7.012 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.124e-05/0.5013, allocations: 8.031 kB / 459.6 MB, free: 7.004 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001568/0.5015, allocations: 59.34 kB / 459.6 MB, free: 6.945 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007209/0.5022, allocations: 379.4 kB / 460 MB, free: 6.531 MB / 378.7 MB Error: Internal error - BackendDAEOptimize.makeEquationToResidualExp failed to transform equation: uDPReceive2_1.initialized = previous(uDPReceive2_1.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 0.0001418/0.5024, allocations: 96.72 kB / 460.1 MB, free: 6.426 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001069/0.5025, allocations: 56 kB / 460.2 MB, free: 6.371 MB / 378.7 MB Error: Too many equations, over-determined system. The model has 141 equation(s) and 138 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(uDPReceive2_1.initialized) then uDPReceive2_1.initialized = true uDPReceive2_1.socket = Modelica_DeviceDrivers.Communication.UDPSocket.constructor(uDPReceive2_1.port_recv, uDPReceive2_1.bufferSize, true) getInteger1.pkgIn.pkg = Modelica_DeviceDrivers.Packaging.SerialPackager.constructor(uDPReceive2_1.bufferSize) uDPReceive2_1.bufferSize = if uDPReceive2_1.autoBufferSize then Modelica_DeviceDrivers.Packaging.alignAtByteBoundary(uDPReceive2_1.pkgOut.autoPkgBitSize) else uDPReceive2_1.userBufferSize else uDPReceive2_1.initialized = previous(uDPReceive2_1.initialized) uDPReceive2_1.socket = previous(uDPReceive2_1.socket) uDPReceive2_1.bufferSize = previous(uDPReceive2_1.bufferSize) getInteger1.pkgIn.pkg = previous(getInteger1.pkgIn.pkg) end if has size size 4 but 3 variables (uDPReceive2_1.pkgOut.autoPkgBitSize, uDPReceive2_1.bufferSize, uDPReceive2_1.initialized) Notification: Performance of preOpt clockPartitioning (simulation) : time 0.0009771/0.5035, allocations: 418.6 kB / 460.6 MB, free: 5.965 MB / 378.7 MB Error: pre-optimization module clockPartitioning (simulation) failed.