Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference") Notification: Performance of loadModel(Buildings): time 3.609/3.609, allocations: 403.9 MB / 411 MB, free: 360 kB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 3.738e-05/3.751e-05, allocations: 7.938 kB / 0.4942 GB, free: 1.418 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.527/0.5271, allocations: 92.7 MB / 0.5847 GB, free: 2.398 MB / 474.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.9392/1.466, allocations: 437 MB / 1.011 GB, free: 12.42 MB / 0.7292 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002846/1.467, allocations: 100.1 kB / 1.012 GB, free: 12.37 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 8.21/9.676, allocations: 1.469 GB / 2.48 GB, free: 63.14 MB / 0.7917 GB Notification: Performance of FrontEnd: time 1.737e-06/9.676, allocations: 0 / 2.48 GB, free: 63.14 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.001868/9.678, allocations: 171.7 kB / 2.48 GB, free: 62.98 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 0.02413/9.702, allocations: 7.177 MB / 2.487 GB, free: 55.77 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 3.993e-05/9.702, allocations: 8.031 kB / 2.487 GB, free: 55.76 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006695/9.709, allocations: 0.8802 MB / 2.488 GB, free: 54.87 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.06909/9.778, allocations: 24.85 MB / 2.512 GB, free: 30.27 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002425/9.779, allocations: 112 kB / 2.512 GB, free: 30.16 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002165/9.781, allocations: 315.7 kB / 2.513 GB, free: 29.85 MB / 0.7917 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.01011/9.791, allocations: 4.256 MB / 2.517 GB, free: 25.59 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01867/9.81, allocations: 5.268 MB / 2.522 GB, free: 20.05 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002364/9.81, allocations: 19.86 kB / 2.522 GB, free: 20.04 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001463/9.811, allocations: 8 kB / 2.522 GB, free: 20.03 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001744/9.812, allocations: 96 kB / 2.522 GB, free: 19.93 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 0.06891/9.881, allocations: 30.1 MB / 2.552 GB, free: 5.133 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.5198/10.4, allocations: 5.888 MB / 2.557 GB, free: 126.6 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006043/10.41, allocations: 2.485 MB / 2.56 GB, free: 126.6 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.03574/10.44, allocations: 15.32 MB / 2.575 GB, free: 123.6 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004386/10.45, allocations: 2.05 MB / 2.577 GB, free: 123.5 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=232): time 7.372e-06/10.45, allocations: 0 / 2.577 GB, free: 123.5 MB / 0.8073 GB Notification: Performance of matching and sorting (n=245): time 0.04037/10.49, allocations: 11.8 MB / 2.588 GB, free: 120.7 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.222e-05/10.49, allocations: 186.5 kB / 2.588 GB, free: 120.5 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02566/10.51, allocations: 10.28 MB / 2.598 GB, free: 120.1 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 0.001166/10.51, allocations: 32.39 kB / 2.598 GB, free: 120 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.006241/10.52, allocations: 3.268 MB / 2.602 GB, free: 119.4 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.00228/10.52, allocations: 0.8806 MB / 2.603 GB, free: 119 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008929/10.52, allocations: 0 / 2.603 GB, free: 119 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0007215/10.52, allocations: 0.5413 MB / 2.603 GB, free: 118.6 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006573/10.53, allocations: 3.192 MB / 2.606 GB, free: 118.6 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.009013/10.54, allocations: 6.273 MB / 2.612 GB, free: 115.3 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 0.0604/10.6, allocations: 27.41 MB / 2.639 GB, free: 114.3 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.617e-05/10.6, allocations: 25.47 kB / 2.639 GB, free: 114.3 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