Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference") translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.422/2.422, allocations: 251.1 MB / 266.7 MB, free: 11.54 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00141/0.00141, allocations: 177.7 kB / 326.2 MB, free: 2.828 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.429/2.429, allocations: 205.4 MB / 0.5772 GB, free: 20.77 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009687/0.0009684, allocations: 87.84 kB / 0.6817 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0006212/0.0006214, allocations: 16.06 kB / 0.7957 GB, free: 135.5 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2245/0.2252, allocations: 106.3 MB / 0.8995 GB, free: 65.52 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.326/1.551, allocations: 458.4 MB / 1.347 GB, free: 9.02 MB / 0.8542 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0006094/1.552, allocations: 106.5 kB / 1.347 GB, free: 8.965 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 34.51/36.06, allocations: 4.202 GB / 5.55 GB, free: 65.3 MB / 0.9949 GB Notification: Performance of FrontEnd: time 3.616e-06/36.06, allocations: 3.969 kB / 5.55 GB, free: 65.3 MB / 0.9949 GB Notification: Performance of Transformations before backend: time 0.007708/36.07, allocations: 486 kB / 5.55 GB, free: 65.22 MB / 0.9949 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2436 * Number of variables: 2436 Notification: Performance of Generate backend data structure: time 0.1874/36.26, allocations: 34.36 MB / 5.584 GB, free: 56.09 MB / 0.9949 GB Notification: Performance of prepare preOptimizeDAE: time 4.57e-05/36.26, allocations: 11.62 kB / 5.584 GB, free: 56.09 MB / 0.9949 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02467/36.28, allocations: 2.491 MB / 5.586 GB, free: 54.84 MB / 0.9949 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.2461/36.53, allocations: 65.76 MB / 5.65 GB, free: 7.004 MB / 0.9949 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001554/36.53, allocations: 0.9287 MB / 5.651 GB, free: 6.074 MB / 0.9949 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.007944/36.54, allocations: 1.331 MB / 5.652 GB, free: 4.742 MB / 0.9949 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.06232/36.6, allocations: 16.26 MB / 5.668 GB, free: 3.887 MB / 1.01 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0008244/36.6, allocations: 35.69 kB / 5.668 GB, free: 3.852 MB / 1.01 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005253/36.61, allocations: 400 kB / 5.669 GB, free: 3.461 MB / 1.01 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004359/36.61, allocations: 275.9 kB / 5.669 GB, free: 3.191 MB / 1.01 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 1.23/37.84, allocations: 13.13 MB / 5.682 GB, free: 100 MB / 1.01 GB Warning: The model contains alias variables with redundant start and/or conflicting 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 0.3748/38.21, allocations: 90.5 MB / 5.77 GB, free: 76.79 MB / 1.01 GB Notification: Performance of preOpt comSubExp (simulation): time 0.08942/38.3, allocations: 17.51 MB / 5.787 GB, free: 75.16 MB / 1.01 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0308/38.33, allocations: 7.18 MB / 5.794 GB, free: 75.09 MB / 1.01 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1855/38.52, allocations: 41.8 MB / 5.835 GB, free: 67.26 MB / 1.01 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02857/38.55, allocations: 5.649 MB / 5.841 GB, free: 67.05 MB / 1.01 GB Notification: Performance of pre-optimization done (n=599): time 3.133e-05/38.55, allocations: 0.5469 kB / 5.841 GB, free: 67.05 MB / 1.01 GB Notification: Performance of matching and sorting (n=623): time 0.2354/38.78, allocations: 38.94 MB / 5.879 GB, free: 54.96 MB / 1.01 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001843/38.78, allocations: 177.7 kB / 5.879 GB, free: 54.83 MB / 1.01 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.2046/38.99, allocations: 34.46 MB / 5.913 GB, free: 44.51 MB / 1.01 GB Notification: Performance of collectPreVariables (initialization): time 0.005074/38.99, allocations: 284.5 kB / 5.913 GB, free: 44.28 MB / 1.01 GB Notification: Performance of collectInitialEqns (initialization): time 0.03674/39.03, allocations: 9.805 MB / 5.922 GB, free: 37.39 MB / 1.01 GB Notification: Performance of collectInitialBindings (initialization): time 0.01233/39.04, allocations: 2.348 MB / 5.925 GB, free: 35.84 MB / 1.01 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005569/39.05, allocations: 295 kB / 5.925 GB, free: 35.61 MB / 1.01 GB Notification: Performance of setup shared object (initialization): time 0.004398/39.05, allocations: 0.9819 MB / 5.926 GB, free: 35.04 MB / 1.01 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03991/39.09, allocations: 9.199 MB / 5.935 GB, free: 32.55 MB / 1.01 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.05915/39.15, allocations: 16.57 MB / 5.951 GB, free: 20.52 MB / 1.01 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: sla1.con_b[1].lay[2].T[2] = sla1.con_b[1].lay[2].T_a_start + (sla1.con_b[1].lay[2].T_b_start - sla1.con_b[1].lay[2].T_a_start) * sla1.con_b[1].lay[2].UA * (sla1.con_b[1].lay[2].RNod[1] + sla1.con_b[1].lay[2].RNod[2]) (sla1.con_b[5].lay[2].T_a_start + (sla1.con_b[5].lay[2].T_b_start - sla1.con_b[5].lay[2].T_a_start) * sla1.con_b[5].lay[2].UA * (sla1.con_b[5].lay[2].RNod[1] + sla1.con_b[5].lay[2].RNod[2]) = sla1.con_b[1].lay[2].T_a_start + (sla1.con_b[1].lay[2].T_b_start - sla1.con_b[1].lay[2].T_a_start) * sla1.con_b[1].lay[2].UA * (sla1.con_b[1].lay[2].RNod[1] + sla1.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: sla1.con_b[2].lay[2].T[2] = sla1.con_b[2].lay[2].T_a_start + (sla1.con_b[2].lay[2].T_b_start - sla1.con_b[2].lay[2].T_a_start) * sla1.con_b[2].lay[2].UA * (sla1.con_b[2].lay[2].RNod[1] + sla1.con_b[2].lay[2].RNod[2]) (sla1.con_b[5].lay[2].T_a_start + (sla1.con_b[5].lay[2].T_b_start - sla1.con_b[5].lay[2].T_a_start) * sla1.con_b[5].lay[2].UA * (sla1.con_b[5].lay[2].RNod[1] + sla1.con_b[5].lay[2].RNod[2]) = sla1.con_b[2].lay[2].T_a_start + (sla1.con_b[2].lay[2].T_b_start - sla1.con_b[2].lay[2].T_a_start) * sla1.con_b[2].lay[2].UA * (sla1.con_b[2].lay[2].RNod[1] + sla1.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: sla1.con_b[3].lay[2].T[2] = sla1.con_b[3].lay[2].T_a_start + (sla1.con_b[3].lay[2].T_b_start - sla1.con_b[3].lay[2].T_a_start) * sla1.con_b[3].lay[2].UA * (sla1.con_b[3].lay[2].RNod[1] + sla1.con_b[3].lay[2].RNod[2]) (sla1.con_b[5].lay[2].T_a_start + (sla1.con_b[5].lay[2].T_b_start - sla1.con_b[5].lay[2].T_a_start) * sla1.con_b[5].lay[2].UA * (sla1.con_b[5].lay[2].RNod[1] + sla1.con_b[5].lay[2].RNod[2]) = sla1.con_b[3].lay[2].T_a_start + (sla1.con_b[3].lay[2].T_b_start - sla1.con_b[3].lay[2].T_a_start) * sla1.con_b[3].lay[2].UA * (sla1.con_b[3].lay[2].RNod[1] + sla1.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: sla1.con_b[4].lay[2].T[2] = sla1.con_b[4].lay[2].T_a_start + (sla1.con_b[4].lay[2].T_b_start - sla1.con_b[4].lay[2].T_a_start) * sla1.con_b[4].lay[2].UA * (sla1.con_b[4].lay[2].RNod[1] + sla1.con_b[4].lay[2].RNod[2]) (sla1.con_b[5].lay[2].T_a_start + (sla1.con_b[5].lay[2].T_b_start - sla1.con_b[5].lay[2].T_a_start) * sla1.con_b[5].lay[2].UA * (sla1.con_b[5].lay[2].RNod[1] + sla1.con_b[5].lay[2].RNod[2]) = sla1.con_b[4].lay[2].T_a_start + (sla1.con_b[4].lay[2].T_b_start - sla1.con_b[4].lay[2].T_a_start) * sla1.con_b[4].lay[2].UA * (sla1.con_b[4].lay[2].RNod[1] + sla1.con_b[4].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: sla1.con_a[1].lay[1].T[1] = sla1.con_a[1].lay[1].T_a_start (sla1.con_a[5].lay[1].T_a_start = sla1.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: sla1.con_a[2].lay[1].T[1] = sla1.con_a[2].lay[1].T_a_start (sla1.con_a[5].lay[1].T_a_start = sla1.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: sla1.con_a[3].lay[1].T[1] = sla1.con_a[3].lay[1].T_a_start (sla1.con_a[5].lay[1].T_a_start = sla1.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: sla1.con_a[4].lay[1].T[1] = sla1.con_a[4].lay[1].T_a_start (sla1.con_a[5].lay[1].T_a_start = sla1.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: sla2.con_a[1].lay[1].T[1] = sla2.con_a[1].lay[1].T_a_start (sla2.con_a[5].lay[1].T_a_start = sla2.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: sla2.con_a[2].lay[1].T[1] = sla2.con_a[2].lay[1].T_a_start (sla2.con_a[5].lay[1].T_a_start = sla2.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: sla2.con_a[3].lay[1].T[1] = sla2.con_a[3].lay[1].T_a_start (sla2.con_a[5].lay[1].T_a_start = sla2.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: sla2.con_a[4].lay[1].T[1] = sla2.con_a[4].lay[1].T_a_start (sla2.con_a[5].lay[1].T_a_start = sla2.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: sla3.sla.con_a[1].lay[1].T[1] = sla3.sla.con_a[1].lay[1].T_a_start (sla3.sla.con_a[5].lay[1].T_a_start = sla3.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: sla3.sla.con_a[2].lay[1].T[1] = sla3.sla.con_a[2].lay[1].T_a_start (sla3.sla.con_a[5].lay[1].T_a_start = sla3.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: sla3.sla.con_a[3].lay[1].T[1] = sla3.sla.con_a[3].lay[1].T_a_start (sla3.sla.con_a[5].lay[1].T_a_start = sla3.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: sla3.sla.con_a[4].lay[1].T[1] = sla3.sla.con_a[4].lay[1].T_a_start (sla3.sla.con_a[5].lay[1].T_a_start = sla3.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: sla3.sla.con_b[1].lay[2].T[2] = sla3.sla.con_b[1].lay[2].T_a_start + (sla3.sla.con_b[1].lay[2].T_b_start - sla3.sla.con_b[1].lay[2].T_a_start) * sla3.sla.con_b[1].lay[2].UA * (sla3.sla.con_b[1].lay[2].RNod[1] + sla3.sla.con_b[1].lay[2].RNod[2]) (sla3.sla.con_b[5].lay[2].T_a_start + (sla3.sla.con_b[5].lay[2].T_b_start - sla3.sla.con_b[5].lay[2].T_a_start) * sla3.sla.con_b[5].lay[2].UA * (sla3.sla.con_b[5].lay[2].RNod[1] + sla3.sla.con_b[5].lay[2].RNod[2]) = sla3.sla.con_b[1].lay[2].T_a_start + (sla3.sla.con_b[1].lay[2].T_b_start - sla3.sla.con_b[1].lay[2].T_a_start) * sla3.sla.con_b[1].lay[2].UA * (sla3.sla.con_b[1].lay[2].RNod[1] + sla3.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: sla3.sla.con_b[2].lay[2].T[2] = sla3.sla.con_b[2].lay[2].T_a_start + (sla3.sla.con_b[2].lay[2].T_b_start - sla3.sla.con_b[2].lay[2].T_a_start) * sla3.sla.con_b[2].lay[2].UA * (sla3.sla.con_b[2].lay[2].RNod[1] + sla3.sla.con_b[2].lay[2].RNod[2]) (sla3.sla.con_b[5].lay[2].T_a_start + (sla3.sla.con_b[5].lay[2].T_b_start - sla3.sla.con_b[5].lay[2].T_a_start) * sla3.sla.con_b[5].lay[2].UA * (sla3.sla.con_b[5].lay[2].RNod[1] + sla3.sla.con_b[5].lay[2].RNod[2]) = sla3.sla.con_b[2].lay[2].T_a_start + (sla3.sla.con_b[2].lay[2].T_b_start - sla3.sla.con_b[2].lay[2].T_a_start) * sla3.sla.con_b[2].lay[2].UA * (sla3.sla.con_b[2].lay[2].RNod[1] + sla3.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: sla3.sla.con_b[3].lay[2].T[2] = sla3.sla.con_b[3].lay[2].T_a_start + (sla3.sla.con_b[3].lay[2].T_b_start - sla3.sla.con_b[3].lay[2].T_a_start) * sla3.sla.con_b[3].lay[2].UA * (sla3.sla.con_b[3].lay[2].RNod[1] + sla3.sla.con_b[3].lay[2].RNod[2]) (sla3.sla.con_b[5].lay[2].T_a_start + (sla3.sla.con_b[5].lay[2].T_b_start - sla3.sla.con_b[5].lay[2].T_a_start) * sla3.sla.con_b[5].lay[2].UA * (sla3.sla.con_b[5].lay[2].RNod[1] + sla3.sla.con_b[5].lay[2].RNod[2]) = sla3.sla.con_b[3].lay[2].T_a_start + (sla3.sla.con_b[3].lay[2].T_b_start - sla3.sla.con_b[3].lay[2].T_a_start) * sla3.sla.con_b[3].lay[2].UA * (sla3.sla.con_b[3].lay[2].RNod[1] + sla3.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: sla3.sla.con_b[4].lay[2].T[2] = sla3.sla.con_b[4].lay[2].T_a_start + (sla3.sla.con_b[4].lay[2].T_b_start - sla3.sla.con_b[4].lay[2].T_a_start) * sla3.sla.con_b[4].lay[2].UA * (sla3.sla.con_b[4].lay[2].RNod[1] + sla3.sla.con_b[4].lay[2].RNod[2]) (sla3.sla.con_b[5].lay[2].T_a_start + (sla3.sla.con_b[5].lay[2].T_b_start - sla3.sla.con_b[5].lay[2].T_a_start) * sla3.sla.con_b[5].lay[2].UA * (sla3.sla.con_b[5].lay[2].RNod[1] + sla3.sla.con_b[5].lay[2].RNod[2]) = sla3.sla.con_b[4].lay[2].T_a_start + (sla3.sla.con_b[4].lay[2].T_b_start - sla3.sla.con_b[4].lay[2].T_a_start) * sla3.sla.con_b[4].lay[2].UA * (sla3.sla.con_b[4].lay[2].RNod[1] + sla3.sla.con_b[4].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: sla2.con_b[1].lay[2].T[2] = sla2.con_b[1].lay[2].T_a_start + (sla2.con_b[1].lay[2].T_b_start - sla2.con_b[1].lay[2].T_a_start) * sla2.con_b[1].lay[2].UA * (sla2.con_b[1].lay[2].RNod[1] + sla2.con_b[1].lay[2].RNod[2]) (sla2.con_b[5].lay[2].T_a_start + (sla2.con_b[5].lay[2].T_b_start - sla2.con_b[5].lay[2].T_a_start) * sla2.con_b[5].lay[2].UA * (sla2.con_b[5].lay[2].RNod[1] + sla2.con_b[5].lay[2].RNod[2]) = sla2.con_b[1].lay[2].T_a_start + (sla2.con_b[1].lay[2].T_b_start - sla2.con_b[1].lay[2].T_a_start) * sla2.con_b[1].lay[2].UA * (sla2.con_b[1].lay[2].RNod[1] + sla2.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: sla2.con_b[2].lay[2].T[2] = sla2.con_b[2].lay[2].T_a_start + (sla2.con_b[2].lay[2].T_b_start - sla2.con_b[2].lay[2].T_a_start) * sla2.con_b[2].lay[2].UA * (sla2.con_b[2].lay[2].RNod[1] + sla2.con_b[2].lay[2].RNod[2]) (sla2.con_b[5].lay[2].T_a_start + (sla2.con_b[5].lay[2].T_b_start - sla2.con_b[5].lay[2].T_a_start) * sla2.con_b[5].lay[2].UA * (sla2.con_b[5].lay[2].RNod[1] + sla2.con_b[5].lay[2].RNod[2]) = sla2.con_b[2].lay[2].T_a_start + (sla2.con_b[2].lay[2].T_b_start - sla2.con_b[2].lay[2].T_a_start) * sla2.con_b[2].lay[2].UA * (sla2.con_b[2].lay[2].RNod[1] + sla2.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: sla2.con_b[3].lay[2].T[2] = sla2.con_b[3].lay[2].T_a_start + (sla2.con_b[3].lay[2].T_b_start - sla2.con_b[3].lay[2].T_a_start) * sla2.con_b[3].lay[2].UA * (sla2.con_b[3].lay[2].RNod[1] + sla2.con_b[3].lay[2].RNod[2]) (sla2.con_b[5].lay[2].T_a_start + (sla2.con_b[5].lay[2].T_b_start - sla2.con_b[5].lay[2].T_a_start) * sla2.con_b[5].lay[2].UA * (sla2.con_b[5].lay[2].RNod[1] + sla2.con_b[5].lay[2].RNod[2]) = sla2.con_b[3].lay[2].T_a_start + (sla2.con_b[3].lay[2].T_b_start - sla2.con_b[3].lay[2].T_a_start) * sla2.con_b[3].lay[2].UA * (sla2.con_b[3].lay[2].RNod[1] + sla2.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: sla2.con_b[4].lay[2].T[2] = sla2.con_b[4].lay[2].T_a_start + (sla2.con_b[4].lay[2].T_b_start - sla2.con_b[4].lay[2].T_a_start) * sla2.con_b[4].lay[2].UA * (sla2.con_b[4].lay[2].RNod[1] + sla2.con_b[4].lay[2].RNod[2]) (sla2.con_b[5].lay[2].T_a_start + (sla2.con_b[5].lay[2].T_b_start - sla2.con_b[5].lay[2].T_a_start) * sla2.con_b[5].lay[2].UA * (sla2.con_b[5].lay[2].RNod[1] + sla2.con_b[5].lay[2].RNod[2]) = sla2.con_b[4].lay[2].T_a_start + (sla2.con_b[4].lay[2].T_b_start - sla2.con_b[4].lay[2].T_a_start) * sla2.con_b[4].lay[2].UA * (sla2.con_b[4].lay[2].RNod[1] + sla2.con_b[4].lay[2].RNod[2])) Notification: Performance of analyzeInitialSystem (initialization): time 2.375/41.52, allocations: 186.7 MB / 6.133 GB, free: 119.2 MB / 1.042 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0005028/41.52, allocations: 73.09 kB / 6.133 GB, free: 119.2 MB / 1.042 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: No system for the symbolic initialization was generated