Notification: Performance of FrontEnd - loaded program: time 1.355e-05/1.348e-05, allocations: 1 kB / 439.6 MB, free: 9.547 MB / 350.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1934/0.1935, allocations: 78.98 MB / 0.5065 GB, free: 2.613 MB / 414.1 MB
Notification: Performance of FrontEnd - scodeFlatten: time 1.088/1.282, allocations: 422.2 MB / 0.9187 GB, free: 209.6 MB / 0.6544 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004305/1.282, allocations: 98.88 kB / 0.9188 GB, free: 209.6 MB / 0.6544 GB
Notification: Performance of FrontEnd: time 5.452/6.735, allocations: 1.117 GB / 2.035 GB, free: 70.42 MB / 0.6857 GB
Notification: Performance of Transformations before backend: time 0.001348/6.736, allocations: 172.6 kB / 2.036 GB, free: 70.39 MB / 0.6857 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 883
 * Number of variables: 883
Notification: Performance of Generate backend data structure: time 0.02302/6.759, allocations: 6.778 MB / 2.042 GB, free: 67.79 MB / 0.6857 GB
Notification: Performance of prepare preOptimizeDAE: time 3.373e-05/6.76, allocations: 4.312 kB / 2.042 GB, free: 67.79 MB / 0.6857 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006495/6.766, allocations: 0.8846 MB / 2.043 GB, free: 67.39 MB / 0.6857 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0665/6.833, allocations: 18.33 MB / 2.061 GB, free: 65.81 MB / 0.6857 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001975/6.833, allocations: 117.7 kB / 2.061 GB, free: 65.8 MB / 0.6857 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001769/6.835, allocations: 305.4 kB / 2.061 GB, free: 65.8 MB / 0.6857 GB
Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.00451/6.839, allocations: 1.422 MB / 2.063 GB, free: 65.78 MB / 0.6857 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007499/6.847, allocations: 3.026 MB / 2.066 GB, free: 64.64 MB / 0.6857 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001001/6.847, allocations: 14.91 kB / 2.066 GB, free: 64.63 MB / 0.6857 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006092/6.848, allocations: 14.38 kB / 2.066 GB, free: 64.63 MB / 0.6857 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001259/6.848, allocations: 107.8 kB / 2.066 GB, free: 64.62 MB / 0.6857 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05093/6.899, allocations: 32.53 MB / 2.098 GB, free: 49.06 MB / 0.6857 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002191/6.901, allocations: 0.9064 MB / 2.099 GB, free: 48.71 MB / 0.6857 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001933/6.903, allocations: 0.5855 MB / 2.099 GB, free: 48.54 MB / 0.6857 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.02739/6.931, allocations: 14.72 MB / 2.113 GB, free: 37.61 MB / 0.6857 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001809/6.933, allocations: 1.009 MB / 2.114 GB, free: 36.58 MB / 0.6857 GB
Notification: Performance of pre-optimization done (n=245): time 4.889e-06/6.933, allocations: 0 / 2.114 GB, free: 36.58 MB / 0.6857 GB
Notification: Performance of matching and sorting (n=263): time 0.02067/6.953, allocations: 6.073 MB / 2.12 GB, free: 30.47 MB / 0.6857 GB
Notification: Performance of remove unused functions: time 0.007186/6.961, allocations: 1.818 MB / 2.122 GB, free: 28.65 MB / 0.6857 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.692e-05/6.961, allocations: 39.31 kB / 2.122 GB, free: 28.61 MB / 0.6857 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007951/6.969, allocations: 3.519 MB / 2.126 GB, free: 25.12 MB / 0.6857 GB
Notification: Performance of collectPreVariables (initialization): time 0.00101/6.97, allocations: 25.7 kB / 2.126 GB, free: 25.09 MB / 0.6857 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002804/6.973, allocations: 1.721 MB / 2.127 GB, free: 23.35 MB / 0.6857 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001021/6.974, allocations: 0.5949 MB / 2.128 GB, free: 22.75 MB / 0.6857 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004065/6.974, allocations: 0 / 2.128 GB, free: 22.75 MB / 0.6857 GB
Notification: Performance of setup shared object (initialization): time 0.0004753/6.975, allocations: 0.5527 MB / 2.128 GB, free: 22.19 MB / 0.6857 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002188/6.977, allocations: 0.9477 MB / 2.129 GB, free: 21.23 MB / 0.6857 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003531/6.981, allocations: 3.31 MB / 2.133 GB, free: 16.73 MB / 0.6857 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[5] = sla.con_a[1].lay[1].T_a_start + (sla.con_a[1].lay[1].T_b_start - sla.con_a[1].lay[1].T_a_start) * sla.con_a[1].lay[1].UA * (sla.con_a[1].lay[1].RNod[2] + sla.con_a[1].lay[1].RNod[3] + sla.con_a[1].lay[1].RNod[4]) (sla.con_b[1].lay[1].T_a_start = sla.con_a[1].lay[1].T_a_start + (sla.con_a[1].lay[1].T_b_start - sla.con_a[1].lay[1].T_a_start) * sla.con_a[1].lay[1].UA * (sla.con_a[1].lay[1].RNod[2] + sla.con_a[1].lay[1].RNod[3] + sla.con_a[1].lay[1].RNod[4]))
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[5] = sla.con_a[2].lay[1].T_a_start + (sla.con_a[2].lay[1].T_b_start - sla.con_a[2].lay[1].T_a_start) * sla.con_a[2].lay[1].UA * (sla.con_a[2].lay[1].RNod[2] + sla.con_a[2].lay[1].RNod[3] + sla.con_a[2].lay[1].RNod[4]) (sla.con_b[2].lay[1].T_a_start = sla.con_a[2].lay[1].T_a_start + (sla.con_a[2].lay[1].T_b_start - sla.con_a[2].lay[1].T_a_start) * sla.con_a[2].lay[1].UA * (sla.con_a[2].lay[1].RNod[2] + sla.con_a[2].lay[1].RNod[3] + sla.con_a[2].lay[1].RNod[4]))
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[5] = sla.con_a[3].lay[1].T_a_start + (sla.con_a[3].lay[1].T_b_start - sla.con_a[3].lay[1].T_a_start) * sla.con_a[3].lay[1].UA * (sla.con_a[3].lay[1].RNod[2] + sla.con_a[3].lay[1].RNod[3] + sla.con_a[3].lay[1].RNod[4]) (sla.con_b[3].lay[1].T_a_start = sla.con_a[3].lay[1].T_a_start + (sla.con_a[3].lay[1].T_b_start - sla.con_a[3].lay[1].T_a_start) * sla.con_a[3].lay[1].UA * (sla.con_a[3].lay[1].RNod[2] + sla.con_a[3].lay[1].RNod[3] + sla.con_a[3].lay[1].RNod[4]))
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[5] = sla.con_a[4].lay[1].T_a_start + (sla.con_a[4].lay[1].T_b_start - sla.con_a[4].lay[1].T_a_start) * sla.con_a[4].lay[1].UA * (sla.con_a[4].lay[1].RNod[2] + sla.con_a[4].lay[1].RNod[3] + sla.con_a[4].lay[1].RNod[4]) (sla.con_b[4].lay[1].T_a_start = sla.con_a[4].lay[1].T_a_start + (sla.con_a[4].lay[1].T_b_start - sla.con_a[4].lay[1].T_a_start) * sla.con_a[4].lay[1].UA * (sla.con_a[4].lay[1].RNod[2] + sla.con_a[4].lay[1].RNod[3] + sla.con_a[4].lay[1].RNod[4]))
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[5].lay[1].T[5] = sla.con_a[5].lay[1].T_a_start + (sla.con_a[5].lay[1].T_b_start - sla.con_a[5].lay[1].T_a_start) * sla.con_a[5].lay[1].UA * (sla.con_a[5].lay[1].RNod[2] + sla.con_a[5].lay[1].RNod[3] + sla.con_a[5].lay[1].RNod[4]) (sla.con_b[5].lay[1].T_a_start = sla.con_a[5].lay[1].T_a_start + (sla.con_a[5].lay[1].T_b_start - sla.con_a[5].lay[1].T_a_start) * sla.con_a[5].lay[1].UA * (sla.con_a[5].lay[1].RNod[2] + sla.con_a[5].lay[1].RNod[3] + sla.con_a[5].lay[1].RNod[4]))
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 analyze the given system 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 0.04572/7.027, allocations: 19.3 MB / 2.151 GB, free: 13.36 MB / 0.7013 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.626e-05/7.027, allocations: 24 kB / 2.152 GB, free: 13.34 MB / 0.7013 GB
[Buildings latest/HeatTransfer/Conduction/SingleLayer.mo:130:13-130:84:writable] Error: Initialization problem is structurally singular, error found sorting equations 
 39: 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]);
63: sla.con_b[3].lay[2].T[3] = sla.con_b[4].lay[2].T[3];
35: 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]);
62: sla.con_b[2].lay[2].T[3] = sla.con_b[4].lay[2].T[3];
31: 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]);
43: 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]);
64: sla.con_b[5].lay[2].T[3] = sla.con_b[4].lay[2].T[3];
61: sla.con_b[1].lay[2].T[3] = sla.con_b[4].lay[2].T[3];
27: 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[2].T[1](44), sla.fluSlaCon[1].hCon(38), sla.con_b[1].lay[2].T[3](117), sla.con_a[5].lay[1].dT(144), sla.con_b[2].dT(116), sla.con_b[5].lay[2].T[2](42), $DER.sla.con_a[5].lay[1].T[2](141), sla.fluSlaCon[1].dT(39), sla.con_b[2].Q_flow[5](111), sla.fluSlaCon[4].RTot(28), sla.fluSlaCon[3].hCon(32), sla.fluSlaCon[2].dT(36), sla.con_b[5].lay[2].T[3](40)
Error: No system for the symbolic initialization was generated