Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseFiniteDifference")
Notification: Performance of loadModel(Buildings): time 3.517/3.517, allocations: 403.3 MB / 415.4 MB, free: 12.98 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.508e-05/3.517e-05, allocations: 7.938 kB / 0.4991 GB, free: 13.44 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4834/0.4834, allocations: 92.68 MB / 0.5896 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9531/1.437, allocations: 437.7 MB / 1.017 GB, free: 4.809 MB / 0.7292 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004437/1.437, allocations: 101.2 kB / 1.017 GB, free: 4.758 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 8.097/9.534, allocations: 1.493 GB / 2.511 GB, free: 19.33 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 1.845e-06/9.534, allocations: 0 / 2.511 GB, free: 19.33 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.001836/9.536, allocations: 175.8 kB / 2.511 GB, free: 19.16 MB / 0.7917 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 888
 * Number of variables: 888
Notification: Performance of Generate backend data structure: time 0.0236/9.56, allocations: 7.178 MB / 2.518 GB, free: 11.9 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 3.987e-05/9.56, allocations: 8.031 kB / 2.518 GB, free: 11.89 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006521/9.566, allocations: 0.8764 MB / 2.519 GB, free: 11.01 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.07586/9.642, allocations: 24.89 MB / 2.543 GB, free: 2.07 MB / 0.8073 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005695/9.643, allocations: 350.9 kB / 2.543 GB, free: 1.727 MB / 0.8073 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002384/9.645, allocations: 0.4919 MB / 2.544 GB, free: 1.234 MB / 0.8073 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.5134/10.16, allocations: 5.756 MB / 2.549 GB, free: 123.4 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002035/10.16, allocations: 16.94 kB / 2.549 GB, free: 123.4 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0013/10.16, allocations: 144.9 kB / 2.549 GB, free: 123.4 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000157/10.16, allocations: 101.2 kB / 2.55 GB, free: 123.4 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01195/10.17, allocations: 4.485 MB / 2.554 GB, free: 123.4 MB / 0.8073 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 0.05846/10.23, allocations: 30.71 MB / 2.584 GB, free: 114.3 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0148/10.25, allocations: 5.967 MB / 2.59 GB, free: 113.7 MB / 0.8073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005233/10.25, allocations: 2.567 MB / 2.592 GB, free: 113.7 MB / 0.8073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.03498/10.29, allocations: 15.7 MB / 2.608 GB, free: 110.6 MB / 0.8073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004898/10.29, allocations: 2.134 MB / 2.61 GB, free: 110.5 MB / 0.8073 GB
Notification: Performance of pre-optimization done (n=233): time 7.262e-06/10.29, allocations: 0 / 2.61 GB, free: 110.5 MB / 0.8073 GB
Notification: Performance of matching and sorting (n=251): time 0.04115/10.33, allocations: 12.71 MB / 2.622 GB, free: 107.3 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.755e-05/10.33, allocations: 181 kB / 2.622 GB, free: 107.1 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02675/10.36, allocations: 10.84 MB / 2.633 GB, free: 106.7 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.001201/10.36, allocations: 125.2 kB / 2.633 GB, free: 106.6 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006196/10.37, allocations: 3.309 MB / 2.636 GB, free: 106 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002202/10.37, allocations: 0.9277 MB / 2.637 GB, free: 105.6 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007916/10.37, allocations: 110.3 kB / 2.637 GB, free: 105.6 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0006422/10.37, allocations: 0.5448 MB / 2.638 GB, free: 105.3 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007153/10.38, allocations: 3.343 MB / 2.641 GB, free: 105.2 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009545/10.39, allocations: 6.415 MB / 2.647 GB, free: 101.9 MB / 0.8073 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)
Notification: It was not possible to check the given initialization system for consistency 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 0.06581/10.45, allocations: 28.61 MB / 2.675 GB, free: 100.8 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.744e-05/10.45, allocations: 23.31 kB / 2.675 GB, free: 100.8 MB / 0.8073 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Error: No system for the symbolic initialization was generated