Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference") translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.624/1.624, allocations: 289.9 MB / 297.4 MB, free: 6.328 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001238/0.001238, allocations: 172.8 kB / 366.7 MB, free: 1.672 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.81/1.81, allocations: 205.2 MB / 0.626 GB, free: 7.18 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009644/0.0009644, allocations: 88.44 kB / 0.74 GB, free: 39.57 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 2.315e-05/2.317e-05, allocations: 4 kB / 0.8597 GB, free: 13.09 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7909/0.7909, allocations: 116.3 MB / 0.9733 GB, free: 76.27 MB / 0.6667 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.242/2.033, allocations: 462.6 MB / 1.425 GB, free: 90.43 MB / 0.8542 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002533/2.033, allocations: 101.9 kB / 1.425 GB, free: 90.38 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 6.323/8.356, allocations: 1.371 GB / 2.796 GB, free: 136.6 MB / 0.9636 GB Notification: Performance of FrontEnd: time 1.352e-06/8.356, allocations: 6.531 kB / 2.796 GB, free: 136.6 MB / 0.9636 GB Notification: Performance of Transformations before backend: time 0.001857/8.358, allocations: 174.6 kB / 2.796 GB, free: 136.5 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 0.02238/8.381, allocations: 6.879 MB / 2.803 GB, free: 134.5 MB / 0.9636 GB Notification: Performance of prepare preOptimizeDAE: time 4.44e-05/8.381, allocations: 10.81 kB / 2.803 GB, free: 134.5 MB / 0.9636 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007174/8.388, allocations: 0.8513 MB / 2.804 GB, free: 134.1 MB / 0.9636 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.05328/8.441, allocations: 23.74 MB / 2.827 GB, free: 132.7 MB / 0.9636 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001945/8.441, allocations: 101.8 kB / 2.827 GB, free: 132.7 MB / 0.9636 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001803/8.443, allocations: 284.5 kB / 2.827 GB, free: 132.7 MB / 0.9636 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.007182/8.45, allocations: 3.998 MB / 2.831 GB, free: 132.7 MB / 0.9636 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008292/8.459, allocations: 4.873 MB / 2.836 GB, free: 132 MB / 0.9636 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.108e-05/8.459, allocations: 14.44 kB / 2.836 GB, free: 132 MB / 0.9636 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000343/8.459, allocations: 11 kB / 2.836 GB, free: 132 MB / 0.9636 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.102e-05/8.459, allocations: 89.59 kB / 2.836 GB, free: 132 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 0.04578/8.505, allocations: 28.99 MB / 2.864 GB, free: 123.5 MB / 0.9636 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009196/8.514, allocations: 5.589 MB / 2.87 GB, free: 123 MB / 0.9636 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002642/8.517, allocations: 2.279 MB / 2.872 GB, free: 122.9 MB / 0.9636 GB Notification: Performance of preOpt evalFunc (simulation): time 0.022/8.539, allocations: 13.89 MB / 2.886 GB, free: 119.8 MB / 0.9636 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002418/8.541, allocations: 1.876 MB / 2.887 GB, free: 119.7 MB / 0.9636 GB Notification: Performance of pre-optimization done (n=213): time 3.998e-06/8.541, allocations: 0 / 2.887 GB, free: 119.7 MB / 0.9636 GB Notification: Performance of matching and sorting (n=221): time 0.02433/8.566, allocations: 10.8 MB / 2.898 GB, free: 116.4 MB / 0.9636 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.666e-05/8.566, allocations: 132.2 kB / 2.898 GB, free: 116.3 MB / 0.9636 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01961/8.586, allocations: 10.08 MB / 2.908 GB, free: 115.8 MB / 0.9636 GB Notification: Performance of collectPreVariables (initialization): time 0.001284/8.587, allocations: 34.38 kB / 2.908 GB, free: 115.8 MB / 0.9636 GB Notification: Performance of collectInitialEqns (initialization): time 0.00423/8.591, allocations: 3.157 MB / 2.911 GB, free: 114.4 MB / 0.9636 GB Notification: Performance of collectInitialBindings (initialization): time 0.001892/8.593, allocations: 0.7973 MB / 2.912 GB, free: 113.8 MB / 0.9636 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003627/8.593, allocations: 0 / 2.912 GB, free: 113.8 MB / 0.9636 GB Notification: Performance of setup shared object (initialization): time 0.0004431/8.594, allocations: 0.5266 MB / 2.912 GB, free: 113.4 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003543/8.597, allocations: 2.9 MB / 2.915 GB, free: 112.6 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004604/8.602, allocations: 5.328 MB / 2.92 GB, free: 108.6 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 0.0339/8.636, allocations: 25.1 MB / 2.945 GB, free: 101.8 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.88e-05/8.636, allocations: 26.19 kB / 2.945 GB, free: 101.8 MB / 0.9636 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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