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 3.421/3.421, allocations: 402 MB / 415.9 MB, free: 10.12 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.278e-05/3.289e-05, allocations: 4 kB / 0.5004 GB, free: 8.227 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.165/0.1651, allocations: 92.67 MB / 0.5909 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.373/1.538, allocations: 437.7 MB / 1.018 GB, free: 134.1 MB / 0.7448 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002609/1.538, allocations: 106.4 kB / 1.018 GB, free: 134 MB / 0.7448 GB
Notification: Performance of FrontEnd - DAE generated: time 7.89/9.428, allocations: 1.498 GB / 2.517 GB, free: 81.18 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 1.989e-06/9.428, allocations: 0 / 2.517 GB, free: 81.18 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.001731/9.43, allocations: 173.7 kB / 2.517 GB, free: 81.15 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 0.02398/9.454, allocations: 7.184 MB / 2.524 GB, free: 78.51 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 3.768e-05/9.454, allocations: 10.44 kB / 2.524 GB, free: 78.51 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006668/9.461, allocations: 0.8816 MB / 2.525 GB, free: 78.07 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.07236/9.533, allocations: 25.52 MB / 2.55 GB, free: 76.38 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004168/9.534, allocations: 348.4 kB / 2.55 GB, free: 76.38 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002041/9.536, allocations: 0.4956 MB / 2.551 GB, free: 76.36 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01379/9.55, allocations: 5.872 MB / 2.556 GB, free: 75.57 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001254/9.55, allocations: 20.19 kB / 2.556 GB, free: 75.57 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006079/9.55, allocations: 153.6 kB / 2.556 GB, free: 75.56 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001055/9.551, allocations: 100.5 kB / 2.557 GB, free: 75.56 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01081/9.561, allocations: 4.66 MB / 2.561 GB, free: 75.53 MB / 0.7917 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 0.05544/9.617, allocations: 30.71 MB / 2.591 GB, free: 60.89 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01443/9.631, allocations: 6.075 MB / 2.597 GB, free: 57.58 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.03208/9.663, allocations: 15.35 MB / 2.612 GB, free: 41.9 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004544/9.668, allocations: 2.19 MB / 2.614 GB, free: 39.68 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=233): time 6.218e-06/9.668, allocations: 0 / 2.614 GB, free: 39.68 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=251): time 0.04266/9.711, allocations: 15.35 MB / 2.629 GB, free: 24.14 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.12e-05/9.711, allocations: 184.2 kB / 2.629 GB, free: 23.93 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02435/9.735, allocations: 10.94 MB / 2.64 GB, free: 12.99 MB / 0.7917 GB
Notification: Performance of collectPreVariables (initialization): time 0.00121/9.736, allocations: 125.7 kB / 2.64 GB, free: 12.86 MB / 0.7917 GB
Notification: Performance of collectInitialEqns (initialization): time 0.005607/9.742, allocations: 3.307 MB / 2.643 GB, free: 9.531 MB / 0.7917 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002126/9.744, allocations: 0.9247 MB / 2.644 GB, free: 8.594 MB / 0.7917 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007447/9.745, allocations: 112 kB / 2.644 GB, free: 8.484 MB / 0.7917 GB
Notification: Performance of setup shared object (initialization): time 0.000593/9.746, allocations: 0.5446 MB / 2.645 GB, free: 7.934 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00673/9.752, allocations: 3.394 MB / 2.648 GB, free: 4.531 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01042/9.763, allocations: 6.519 MB / 2.655 GB, free: 12.71 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 0.5656/10.33, allocations: 29.01 MB / 2.683 GB, free: 118.6 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.288e-05/10.33, allocations: 24.31 kB / 2.683 GB, free: 118.6 MB / 0.8073 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