Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference.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: "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference,fileNamePrefix="Buildings_8_Buildings_Fluid_HeatExchangers_RadiantSlabs_Examples_SingleCircuitMultipleCircuitFiniteDifference",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference,fileNamePrefix="Buildings_8_Buildings_Fluid_HeatExchangers_RadiantSlabs_Examples_SingleCircuitMultipleCircuitFiniteDifference",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.696/1.696, allocations: 292.6 MB / 307.5 MB, free: 5.207 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001081/0.001081, allocations: 185.1 kB / 377.1 MB, free: 1.527 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.651/1.651, allocations: 205.4 MB / 0.6366 GB, free: 8.621 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009115/0.0009115, allocations: 81.64 kB / 0.7509 GB, free: 63.02 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0003695/0.0003696, allocations: 8 kB / 0.8749 GB, free: 11.1 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2806/0.281, allocations: 116.3 MB / 0.9884 GB, free: 6.648 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.575/1.856, allocations: 467.2 MB / 1.445 GB, free: 264.8 MB / 0.9323 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003198/1.856, allocations: 108 kB / 1.445 GB, free: 264.8 MB / 0.9323 GB Notification: Performance of FrontEnd - DAE generated: time 20.68/22.53, allocations: 4.255 GB / 5.7 GB, free: 57.51 MB / 1.057 GB Notification: Performance of FrontEnd: time 2.064e-06/22.53, allocations: 2.844 kB / 5.7 GB, free: 57.51 MB / 1.057 GB Notification: Performance of Transformations before backend: time 0.006738/22.54, allocations: 488.1 kB / 5.701 GB, free: 57.45 MB / 1.057 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 0.1276/22.67, allocations: 34.36 MB / 5.734 GB, free: 48.76 MB / 1.057 GB Notification: Performance of prepare preOptimizeDAE: time 4.692e-05/22.67, allocations: 9.594 kB / 5.734 GB, free: 48.76 MB / 1.057 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.008389/22.67, allocations: 1.325 MB / 5.736 GB, free: 48.66 MB / 1.057 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02201/22.7, allocations: 2.492 MB / 5.738 GB, free: 47.42 MB / 1.057 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1697/22.87, allocations: 69.57 MB / 5.806 GB, free: 43.4 MB / 1.057 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002062/22.87, allocations: 0.9274 MB / 5.807 GB, free: 43.38 MB / 1.057 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.009747/22.88, allocations: 1.336 MB / 5.808 GB, free: 43.36 MB / 1.057 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05105/22.93, allocations: 16.26 MB / 5.824 GB, free: 41.5 MB / 1.057 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0008597/22.93, allocations: 38.72 kB / 5.824 GB, free: 41.5 MB / 1.057 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005318/22.94, allocations: 409.4 kB / 5.824 GB, free: 41.5 MB / 1.057 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003235/22.94, allocations: 273.8 kB / 5.825 GB, free: 41.5 MB / 1.057 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03271/22.97, allocations: 13.14 MB / 5.838 GB, free: 41.38 MB / 1.057 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 0.1807/23.15, allocations: 91.12 MB / 5.927 GB, free: 10.11 MB / 1.073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03938/23.19, allocations: 17.84 MB / 5.944 GB, free: 12.82 MB / 1.089 GB Notification: Performance of preOpt evalFunc (simulation): time 0.8851/24.07, allocations: 42.44 MB / 5.985 GB, free: 106.3 MB / 1.104 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01314/24.09, allocations: 5.765 MB / 5.991 GB, free: 106.1 MB / 1.104 GB Notification: Performance of pre-optimization done (n=609): time 2.905e-05/24.09, allocations: 1.125 kB / 5.991 GB, free: 106.1 MB / 1.104 GB Notification: Performance of matching and sorting (n=633): time 0.1245/24.21, allocations: 39.4 MB / 6.03 GB, free: 97.43 MB / 1.104 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.622e-05/24.21, allocations: 172.8 kB / 6.03 GB, free: 97.29 MB / 1.104 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.07675/24.29, allocations: 32.27 MB / 6.061 GB, free: 96.24 MB / 1.104 GB Notification: Performance of collectPreVariables (initialization): time 0.003604/24.29, allocations: 286.8 kB / 6.061 GB, free: 96.21 MB / 1.104 GB Notification: Performance of collectInitialEqns (initialization): time 0.01988/24.31, allocations: 9.818 MB / 6.071 GB, free: 94.69 MB / 1.104 GB Notification: Performance of collectInitialBindings (initialization): time 0.005964/24.32, allocations: 2.38 MB / 6.073 GB, free: 93.53 MB / 1.104 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002663/24.32, allocations: 297.4 kB / 6.074 GB, free: 93.53 MB / 1.104 GB Notification: Performance of setup shared object (initialization): time 0.001816/24.32, allocations: 0.9789 MB / 6.075 GB, free: 93.2 MB / 1.104 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01666/24.34, allocations: 9.267 MB / 6.084 GB, free: 93.16 MB / 1.104 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02444/24.36, allocations: 16.59 MB / 6.1 GB, free: 84.04 MB / 1.104 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 0.3296/24.69, allocations: 186.8 MB / 6.282 GB, free: 60.3 MB / 1.104 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0006199/24.69, allocations: 72.12 kB / 6.282 GB, free: 60.3 MB / 1.104 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