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 3.68/3.68, allocations: 403.3 MB / 415.4 MB, free: 12.97 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.433e-05/3.453e-05, allocations: 4 kB / 0.499 GB, free: 13.44 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4749/0.475, allocations: 92.68 MB / 0.5895 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9498/1.425, allocations: 437.7 MB / 1.017 GB, free: 4.762 MB / 0.7292 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002942/1.425, allocations: 98.5 kB / 1.017 GB, free: 4.711 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 7.948/9.373, allocations: 1.493 GB / 2.511 GB, free: 19.23 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.374e-06/9.373, allocations: 0 / 2.511 GB, free: 19.23 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.001794/9.375, allocations: 175.8 kB / 2.511 GB, free: 19.06 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 0.02414/9.399, allocations: 7.174 MB / 2.518 GB, free: 11.81 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 4.327e-05/9.399, allocations: 8.031 kB / 2.518 GB, free: 11.8 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006688/9.406, allocations: 0.8803 MB / 2.519 GB, free: 10.91 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.07595/9.482, allocations: 24.88 MB / 2.543 GB, free: 1.969 MB / 0.8073 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000572/9.483, allocations: 347 kB / 2.543 GB, free: 1.629 MB / 0.8073 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002447/9.485, allocations: 0.4958 MB / 2.544 GB, free: 1.133 MB / 0.8073 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.5146/10, allocations: 5.794 MB / 2.549 GB, free: 123 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001545/10, allocations: 15.09 kB / 2.549 GB, free: 123 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008364/10, allocations: 146.3 kB / 2.549 GB, free: 123 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001525/10, allocations: 107.4 kB / 2.55 GB, free: 123 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01167/10.01, allocations: 4.549 MB / 2.554 GB, free: 122.9 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 0.0566/10.07, allocations: 30.71 MB / 2.584 GB, free: 113.8 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01385/10.08, allocations: 5.993 MB / 2.59 GB, free: 113.2 MB / 0.8073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004885/10.09, allocations: 2.566 MB / 2.592 GB, free: 113.2 MB / 0.8073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.03174/10.12, allocations: 15.7 MB / 2.608 GB, free: 110.1 MB / 0.8073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00426/10.12, allocations: 2.141 MB / 2.61 GB, free: 110 MB / 0.8073 GB
Notification: Performance of pre-optimization done (n=233): time 5.994e-06/10.12, allocations: 2.156 kB / 2.61 GB, free: 110 MB / 0.8073 GB
Notification: Performance of matching and sorting (n=251): time 0.03554/10.16, allocations: 12.72 MB / 2.622 GB, free: 106.8 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.929e-05/10.16, allocations: 189.2 kB / 2.622 GB, free: 106.6 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02452/10.18, allocations: 10.84 MB / 2.633 GB, free: 106.1 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.001164/10.19, allocations: 123.7 kB / 2.633 GB, free: 106.1 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.005707/10.19, allocations: 3.31 MB / 2.636 GB, free: 105.5 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002188/10.19, allocations: 0.9318 MB / 2.637 GB, free: 105.1 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007698/10.19, allocations: 108.4 kB / 2.637 GB, free: 105.1 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0006431/10.19, allocations: 0.5435 MB / 2.638 GB, free: 104.7 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006734/10.2, allocations: 3.33 MB / 2.641 GB, free: 104.7 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00911/10.21, allocations: 6.454 MB / 2.647 GB, free: 101.4 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 0.06125/10.27, allocations: 28.64 MB / 2.675 GB, free: 100.3 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.02e-05/10.27, allocations: 23.97 kB / 2.675 GB, free: 100.3 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