Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference") translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.669/1.669, allocations: 285.6 MB / 293.1 MB, free: 10.21 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001538/0.001538, allocations: 180.8 kB / 361.4 MB, free: 6.836 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.913/1.913, allocations: 205.2 MB / 0.62 GB, free: 11.67 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009704/0.0009708, allocations: 97.06 kB / 0.733 GB, free: 44.19 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 2.172e-05/2.173e-05, allocations: 4 kB / 0.8517 GB, free: 2.75 MB / 0.5886 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7824/0.7825, allocations: 115.3 MB / 0.9644 GB, free: 78.95 MB / 0.6667 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.129/1.911, allocations: 461.6 MB / 1.415 GB, free: 107 MB / 0.8542 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002741/1.911, allocations: 102 kB / 1.415 GB, free: 106.9 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 6.182/8.093, allocations: 1.371 GB / 2.786 GB, free: 136.2 MB / 0.9636 GB Notification: Performance of FrontEnd: time 1.803e-06/8.093, allocations: 0 / 2.786 GB, free: 136.2 MB / 0.9636 GB Notification: Performance of Transformations before backend: time 0.00229/8.095, allocations: 174.5 kB / 2.786 GB, free: 136.1 MB / 0.9636 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 831 * Number of variables: 831 Notification: Performance of Generate backend data structure: time 0.02581/8.121, allocations: 6.884 MB / 2.793 GB, free: 134.1 MB / 0.9636 GB Notification: Performance of prepare preOptimizeDAE: time 4.978e-05/8.121, allocations: 11.22 kB / 2.793 GB, free: 134.1 MB / 0.9636 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007646/8.129, allocations: 0.8516 MB / 2.794 GB, free: 133.7 MB / 0.9636 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.05665/8.186, allocations: 23.74 MB / 2.817 GB, free: 132.3 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001878/8.186, allocations: 103.8 kB / 2.817 GB, free: 132.3 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001701/8.188, allocations: 281.8 kB / 2.817 GB, free: 132.3 MB / 0.9636 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.006744/8.194, allocations: 4.002 MB / 2.821 GB, free: 132.3 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007413/8.202, allocations: 4.873 MB / 2.826 GB, free: 131.6 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.887e-05/8.202, allocations: 7.656 kB / 2.826 GB, free: 131.6 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000349/8.202, allocations: 14.75 kB / 2.826 GB, free: 131.6 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.73e-05/8.202, allocations: 89.44 kB / 2.826 GB, free: 131.6 MB / 0.9636 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 0.04308/8.245, allocations: 28.99 MB / 2.854 GB, free: 123.1 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009017/8.255, allocations: 5.595 MB / 2.86 GB, free: 122.6 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002717/8.257, allocations: 2.282 MB / 2.862 GB, free: 122.5 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 0.02309/8.28, allocations: 13.89 MB / 2.876 GB, free: 119.4 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002821/8.283, allocations: 1.872 MB / 2.878 GB, free: 119.3 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=213): time 4.909e-06/8.283, allocations: 3.969 kB / 2.878 GB, free: 119.3 MB / 0.9636 GB Notification: Performance of matching and sorting (n=221): time 0.02834/8.312, allocations: 10.8 MB / 2.888 GB, free: 116 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.83e-05/8.312, allocations: 131.2 kB / 2.888 GB, free: 115.9 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02311/8.335, allocations: 10.08 MB / 2.898 GB, free: 115.4 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 0.001161/8.336, allocations: 29.08 kB / 2.898 GB, free: 115.4 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.004738/8.341, allocations: 3.156 MB / 2.901 GB, free: 114 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 0.001994/8.343, allocations: 0.7969 MB / 2.902 GB, free: 113.4 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009682/8.344, allocations: 3.906 kB / 2.902 GB, free: 113.4 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 0.0005699/8.344, allocations: 0.5278 MB / 2.902 GB, free: 113 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004418/8.349, allocations: 2.904 MB / 2.905 GB, free: 112.2 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005439/8.354, allocations: 5.324 MB / 2.911 GB, free: 108.2 MB / 0.9636 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) 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[1].lay[2].T[2] = 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[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[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])) 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[2].lay[2].T[2] = 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[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[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])) 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[3].lay[2].T[2] = 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[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[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])) 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[2] = 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[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[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])) Notification: Performance of analyzeInitialSystem (initialization): time 0.03737/8.392, allocations: 25.09 MB / 2.935 GB, free: 101.4 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001066/8.392, allocations: 22.91 kB / 2.935 GB, free: 101.4 MB / 0.9636 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/HeatTransfer/Conduction/SingleLayer.mo:151:5-151:73:writable] Error: Initialization problem is structurally singular, error found sorting equations 53: sla.con_a[4].lay[1].T[1] = sla.con_a[5].lay[1].T[1]; 22: sla.con_a[4].lay[1].T[1] = sla.con_a[4].lay[1].T_a_start; 52: sla.con_a[3].lay[1].T[1] = sla.con_a[5].lay[1].T[1]; 17: sla.con_a[3].lay[1].T[1] = sla.con_a[3].lay[1].T_a_start; 51: sla.con_a[2].lay[1].T[1] = sla.con_a[5].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; 50: sla.con_a[1].lay[1].T[1] = sla.con_a[5].lay[1].T[1]; 7: sla.con_a[1].lay[1].T[1] = sla.con_a[1].lay[1].T_a_start; 57: sla.con_b[4].lay[2].T[2] = sla.con_b[5].lay[2].T[2]; 43: sla.con_b[4].lay[2].T[2] = 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]); 56: sla.con_b[3].lay[2].T[2] = sla.con_b[5].lay[2].T[2]; 40: sla.con_b[3].lay[2].T[2] = 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]); 55: sla.con_b[2].lay[2].T[2] = sla.con_b[5].lay[2].T[2]; 37: sla.con_b[2].lay[2].T[2] = 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]); 46: sla.con_b[5].lay[2].T[2] = 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]); 54: sla.con_b[1].lay[2].T[2] = sla.con_b[5].lay[2].T[2]; 34: sla.con_b[1].lay[2].T[2] = 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]); for variables $DER.sla.con_b[5].lay[1].T[1](43), sla.dp(240), $PRE.pulse.T_start(248), sla.con_b[4].lay[1].port_b.T(58), sou.X_in_internal[1](250), sla.preDro.sta_a.T(238), sla.vol[2].dynBal.U(220), $DER.sla.con_b[3].lay[2].T[2](260), sla.vol[3].dynBal.ports_H_flow[2](205), sla.vol[3].heatPort.Q_flow(212), sla.vol[4].T(202), sla.con_b[5].lay[1].dT(46), sla.vol[4].ports[2].h_outflow(203), sla.con_b[4].Q_flow[1](62), sla.vol[2].dynBal.ports_H_flow[2](216), sla.vol[3].dynBal.U(209), sla.vol[2].T(224), TOut.k(8), conBel.dT(13), conAbo.Q_flow(18), sla.fluSlaCon[5].RTot(23), sla.fluSlaCon[1].RTot(35), $DER.sla.con_b[5].lay[2].T[2](38), sla.con_b[5].lay[2].T[1](41), sla.con_b[5].lay[1].T[1](44) Error: No system for the symbolic initialization was generated