Running command: translateModel(Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseEpsilonNTU,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseEpsilonNTU") Notification: Performance of loadModel(Buildings): time 3.699/3.699, allocations: 403.3 MB / 415.4 MB, free: 12.93 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 3.125e-05/3.145e-05, allocations: 4 kB / 0.499 GB, free: 13.38 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4823/0.4823, allocations: 92.67 MB / 0.5895 GB, free: 14.5 MB / 490.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.9527/1.435, allocations: 437.5 MB / 1.017 GB, free: 4.887 MB / 0.7292 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002794/1.435, allocations: 100.8 kB / 1.017 GB, free: 4.836 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 4.596/6.032, allocations: 0.8397 GB / 1.857 GB, free: 86.43 MB / 0.7761 GB Notification: Performance of FrontEnd: time 1.991e-06/6.032, allocations: 4 kB / 1.857 GB, free: 86.43 MB / 0.7761 GB Notification: Performance of Transformations before backend: time 0.001656/6.033, allocations: 171.8 kB / 1.857 GB, free: 86.26 MB / 0.7761 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 0.02309/6.056, allocations: 7.178 MB / 1.864 GB, free: 79 MB / 0.7761 GB Notification: Performance of prepare preOptimizeDAE: time 3.978e-05/6.056, allocations: 8.031 kB / 1.864 GB, free: 79 MB / 0.7761 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006267/6.063, allocations: 0.8764 MB / 1.865 GB, free: 78.11 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.06755/6.13, allocations: 24.88 MB / 1.889 GB, free: 53.18 MB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004199/6.131, allocations: 347 kB / 1.889 GB, free: 52.84 MB / 0.7761 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002049/6.133, allocations: 0.4959 MB / 1.89 GB, free: 52.35 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01336/6.146, allocations: 5.793 MB / 1.895 GB, free: 46.28 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001197/6.146, allocations: 15.88 kB / 1.895 GB, free: 46.26 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005896/6.147, allocations: 152 kB / 1.896 GB, free: 46.11 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001041/6.147, allocations: 99.92 kB / 1.896 GB, free: 46.02 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01056/6.158, allocations: 4.552 MB / 1.9 GB, free: 41.45 MB / 0.7761 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 0.05413/6.212, allocations: 30.71 MB / 1.93 GB, free: 10.02 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0139/6.226, allocations: 6.005 MB / 1.936 GB, free: 3.914 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004795/6.231, allocations: 2.573 MB / 1.938 GB, free: 1.332 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.5234/6.754, allocations: 15.69 MB / 1.954 GB, free: 118.8 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004703/6.759, allocations: 2.139 MB / 1.956 GB, free: 118.6 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=233): time 7.069e-06/6.759, allocations: 0 / 1.956 GB, free: 118.6 MB / 0.7761 GB Notification: Performance of matching and sorting (n=251): time 0.03825/6.797, allocations: 12.73 MB / 1.968 GB, free: 115.8 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.144e-05/6.797, allocations: 179.7 kB / 1.968 GB, free: 115.6 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02606/6.823, allocations: 10.84 MB / 1.979 GB, free: 115.1 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 0.001183/6.825, allocations: 128.4 kB / 1.979 GB, free: 115.1 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.006076/6.831, allocations: 3.316 MB / 1.982 GB, free: 114.5 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.002224/6.833, allocations: 0.9255 MB / 1.983 GB, free: 114 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009501/6.834, allocations: 111.2 kB / 1.983 GB, free: 114 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 0.000698/6.835, allocations: 0.5419 MB / 1.984 GB, free: 113.7 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006896/6.842, allocations: 3.333 MB / 1.987 GB, free: 113.7 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.009359/6.851, allocations: 6.449 MB / 1.993 GB, free: 110.3 MB / 0.7761 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 0.06442/6.915, allocations: 28.63 MB / 2.021 GB, free: 109.3 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.708e-05/6.916, allocations: 24.81 kB / 2.021 GB, free: 109.3 MB / 0.7761 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