Running command: "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,fileNamePrefix="Buildings_5_0_1_Buildings_Fluid_HeatExchangers_RadiantSlabs_Examples_StepResponseFiniteDifference",fmuType="me",version="2.0",platforms={"dynamic"}) Notification: Performance of loadModel(Buildings): time 4.758/4.758, allocations: 404.2 MB / 411.3 MB, free: 360 kB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 2.71e-05/2.708e-05, allocations: 4 kB / 0.4945 GB, free: 1.285 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6665/0.6665, allocations: 92.7 MB / 0.5851 GB, free: 2.27 MB / 474.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 1.386/2.052, allocations: 437 MB / 1.012 GB, free: 8.398 MB / 0.7292 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003615/2.053, allocations: 97.84 kB / 1.012 GB, free: 8.348 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 11.55/13.6, allocations: 1.468 GB / 2.48 GB, free: 89.3 MB / 0.7917 GB Notification: Performance of FrontEnd: time 2.003e-06/13.6, allocations: 4 kB / 2.48 GB, free: 89.3 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.002403/13.6, allocations: 171.9 kB / 2.481 GB, free: 89.14 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 888 * Number of variables: 888 Notification: Performance of Generate backend data structure: time 0.03603/13.64, allocations: 7.184 MB / 2.488 GB, free: 81.92 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 5.584e-05/13.64, allocations: 16.02 kB / 2.488 GB, free: 81.91 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008795/13.65, allocations: 0.8802 MB / 2.488 GB, free: 81.02 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1003/13.75, allocations: 24.85 MB / 2.513 GB, free: 56.42 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002826/13.75, allocations: 112 kB / 2.513 GB, free: 56.31 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00277/13.75, allocations: 307.8 kB / 2.513 GB, free: 56.01 MB / 0.7917 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.01335/13.76, allocations: 4.253 MB / 2.517 GB, free: 51.75 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01787/13.78, allocations: 5.273 MB / 2.522 GB, free: 46.2 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001837/13.78, allocations: 23.73 kB / 2.522 GB, free: 46.18 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009963/13.78, allocations: 9.594 kB / 2.522 GB, free: 46.17 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001482/13.78, allocations: 99.98 kB / 2.523 GB, free: 46.07 MB / 0.7917 GB Warning: The model contains alias variables with conflicting start and/or nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07857/13.86, allocations: 30.09 MB / 2.552 GB, free: 15.38 MB / 0.7917 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02104/13.88, allocations: 5.896 MB / 2.558 GB, free: 9.395 MB / 0.7917 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0068/13.89, allocations: 2.479 MB / 2.56 GB, free: 6.902 MB / 0.7917 GB Notification: Performance of preOpt evalFunc (simulation): time 0.05322/13.94, allocations: 15.32 MB / 2.575 GB, free: 7.137 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006055/13.95, allocations: 2.054 MB / 2.577 GB, free: 5.055 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=232): time 7.554e-06/13.95, allocations: 4 kB / 2.577 GB, free: 5.051 MB / 0.8073 GB Notification: Performance of matching and sorting (n=245): time 0.7303/14.68, allocations: 11.79 MB / 2.589 GB, free: 131 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001/14.68, allocations: 188.5 kB / 2.589 GB, free: 130.8 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03258/14.71, allocations: 10.29 MB / 2.599 GB, free: 130.4 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 0.001447/14.71, allocations: 29.42 kB / 2.599 GB, free: 130.4 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.007534/14.72, allocations: 3.267 MB / 2.602 GB, free: 129.8 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.002828/14.72, allocations: 0.87 MB / 2.603 GB, free: 129.3 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00107/14.72, allocations: 3.844 kB / 2.603 GB, free: 129.3 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0008214/14.72, allocations: 0.5437 MB / 2.603 GB, free: 129 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.008594/14.73, allocations: 3.188 MB / 2.607 GB, free: 129 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01221/14.75, allocations: 6.265 MB / 2.613 GB, free: 125.7 MB / 0.8073 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla.con_a[1].lay[1].T[1] = sla.con_a[1].lay[1].T_a_start (sla.con_a[5].lay[1].T_a_start = sla.con_a[1].lay[1].T_a_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla.con_a[2].lay[1].T[1] = sla.con_a[2].lay[1].T_a_start (sla.con_a[5].lay[1].T_a_start = sla.con_a[2].lay[1].T_a_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla.con_a[3].lay[1].T[1] = sla.con_a[3].lay[1].T_a_start (sla.con_a[5].lay[1].T_a_start = sla.con_a[3].lay[1].T_a_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla.con_a[4].lay[1].T[1] = sla.con_a[4].lay[1].T_a_start (sla.con_a[5].lay[1].T_a_start = sla.con_a[4].lay[1].T_a_start) Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla.con_b[4].lay[2].T[3] = sla.con_b[4].lay[2].T_a_start + (sla.con_b[4].lay[2].T_b_start - sla.con_b[4].lay[2].T_a_start) * sla.con_b[4].lay[2].UA * (sla.con_b[4].lay[2].RNod[1] + sla.con_b[4].lay[2].RNod[2] + sla.con_b[4].lay[2].RNod[3]) (sla.con_b[5].lay[2].T_a_start + (sla.con_b[5].lay[2].T_b_start - sla.con_b[5].lay[2].T_a_start) * sla.con_b[5].lay[2].UA * (sla.con_b[5].lay[2].RNod[1] + sla.con_b[5].lay[2].RNod[2] + sla.con_b[5].lay[2].RNod[3]) = sla.con_b[4].lay[2].T_a_start + (sla.con_b[4].lay[2].T_b_start - sla.con_b[4].lay[2].T_a_start) * sla.con_b[4].lay[2].UA * (sla.con_b[4].lay[2].RNod[1] + sla.con_b[4].lay[2].RNod[2] + sla.con_b[4].lay[2].RNod[3])) Notification: Performance of analyzeInitialSystem (initialization): time 0.08094/14.83, allocations: 27.42 MB / 2.639 GB, free: 124.6 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000111/14.83, allocations: 30.05 kB / 2.639 GB, free: 124.6 MB / 0.8073 GB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 5.0.1/HeatTransfer/Conduction/SingleLayer.mo:124:11-124:27:writable] Error: Initialization problem is structurally singular, error found sorting equations 22: sla.con_a[4].lay[1].T[1] = sla.con_a[4].lay[1].T_a_start; 62: sla.con_a[3].lay[1].T[1] = sla.con_a[4].lay[1].T[1]; 17: sla.con_a[3].lay[1].T[1] = sla.con_a[3].lay[1].T_a_start; 61: sla.con_a[2].lay[1].T[1] = sla.con_a[4].lay[1].T[1]; 12: sla.con_a[2].lay[1].T[1] = sla.con_a[2].lay[1].T_a_start; 27: sla.con_a[5].lay[1].T[1] = sla.con_a[5].lay[1].T_a_start; 63: sla.con_a[5].lay[1].T[1] = sla.con_a[4].lay[1].T[1]; 60: sla.con_a[1].lay[1].T[1] = sla.con_a[4].lay[1].T[1]; 7: sla.con_a[1].lay[1].T[1] = sla.con_a[1].lay[1].T_a_start; 47: sla.con_b[4].lay[2].T[3] = sla.con_b[4].lay[2].T_a_start + (sla.con_b[4].lay[2].T_b_start - sla.con_b[4].lay[2].T_a_start) * sla.con_b[4].lay[2].UA * (sla.con_b[4].lay[2].RNod[1] + sla.con_b[4].lay[2].RNod[2] + sla.con_b[4].lay[2].RNod[3]); 66: sla.con_b[3].lay[2].T[3] = sla.con_b[4].lay[2].T[3]; 43: sla.con_b[3].lay[2].T[3] = sla.con_b[3].lay[2].T_a_start + (sla.con_b[3].lay[2].T_b_start - sla.con_b[3].lay[2].T_a_start) * sla.con_b[3].lay[2].UA * (sla.con_b[3].lay[2].RNod[1] + sla.con_b[3].lay[2].RNod[2] + sla.con_b[3].lay[2].RNod[3]); 65: sla.con_b[2].lay[2].T[3] = sla.con_b[4].lay[2].T[3]; 39: sla.con_b[2].lay[2].T[3] = sla.con_b[2].lay[2].T_a_start + (sla.con_b[2].lay[2].T_b_start - sla.con_b[2].lay[2].T_a_start) * sla.con_b[2].lay[2].UA * (sla.con_b[2].lay[2].RNod[1] + sla.con_b[2].lay[2].RNod[2] + sla.con_b[2].lay[2].RNod[3]); 51: sla.con_b[5].lay[2].T[3] = sla.con_b[5].lay[2].T_a_start + (sla.con_b[5].lay[2].T_b_start - sla.con_b[5].lay[2].T_a_start) * sla.con_b[5].lay[2].UA * (sla.con_b[5].lay[2].RNod[1] + sla.con_b[5].lay[2].RNod[2] + sla.con_b[5].lay[2].RNod[3]); 67: sla.con_b[5].lay[2].T[3] = sla.con_b[4].lay[2].T[3]; 64: sla.con_b[1].lay[2].T[3] = sla.con_b[4].lay[2].T[3]; 35: sla.con_b[1].lay[2].T[3] = sla.con_b[1].lay[2].T_a_start + (sla.con_b[1].lay[2].T_b_start - sla.con_b[1].lay[2].T_a_start) * sla.con_b[1].lay[2].UA * (sla.con_b[1].lay[2].RNod[1] + sla.con_b[1].lay[2].RNod[2] + sla.con_b[1].lay[2].RNod[3]); for variables sla.con_b[5].lay[1].dT(49), sla.con_a[4].lay[1].T[1](146), sla.con_b[2].lay[1].dT(98), sla.con_a[4].lay[1].T[5](138), $DER.sla.con_b[2].lay[2].T[1](92), sla.con_b[1].lay[2].T[1](109), sla.con_a[4].Q_flow[6](147), $DER.sla.con_b[5].lay[1].T[1](46), sla.con_b[5].Q_flow[3](53), sla.con_a[5].Q_flow[4](132), $DER.sla.con_a[4].lay[1].T[4](139), sla.con_b[5].Q_flow[6](50), $DER.sla.con_a[4].lay[1].T[1](145), sla.con_b[5].Q_flow[4](52), sla.con_a[5].Q_flow[5](131), sla.con_a[4].lay[1].T[3](142), sla.con_a[4].lay[1].T[2](144), sla.con_b[1].Q_flow[6](115), TOut.T(8), hRadAbo.dT(13), conAbo.dT(18), sla.sta_a.p(23), sla.fluSlaCon[2].dT(36), sla.con_b[5].lay[2].T[3](40), sla.con_b[5].lay[2].T[1](44), sla.con_b[5].lay[1].port_b.T(48) Error: No system for the symbolic initialization was generated