Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 3.645/3.645, allocations: 403.3 MB / 415.4 MB, free: 12.98 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.392e-05/3.406e-05, allocations: 8 kB / 0.4991 GB, free: 13.43 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5537/0.5537, allocations: 92.69 MB / 0.5896 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3453/0.8991, allocations: 181.8 MB / 0.7672 GB, free: 8.395 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003481/0.8995, allocations: 111.9 kB / 0.7673 GB, free: 8.285 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.8973/1.797, allocations: 133.2 MB / 0.8973 GB, free: 68.29 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.482e-06/1.797, allocations: 4 kB / 0.8973 GB, free: 68.29 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001672/1.797, allocations: 72 kB / 0.8974 GB, free: 68.21 MB / 0.6511 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.009795/1.807, allocations: 2.918 MB / 0.9003 GB, free: 65.24 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.348e-05/1.807, allocations: 12.03 kB / 0.9003 GB, free: 65.23 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01541/1.822, allocations: 2.102 MB / 0.9023 GB, free: 63.12 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005717/1.828, allocations: 2.181 MB / 0.9044 GB, free: 60.89 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002716/1.828, allocations: 263.1 kB / 0.9047 GB, free: 60.64 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001626/1.83, allocations: 344 kB / 0.905 GB, free: 60.3 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01653/1.847, allocations: 5.908 MB / 0.9108 GB, free: 54.29 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001203/1.847, allocations: 4 kB / 0.9108 GB, free: 54.29 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001265/1.848, allocations: 152 kB / 0.9109 GB, free: 54.14 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000617/1.849, allocations: 294 kB / 0.9112 GB, free: 53.85 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01331/1.862, allocations: 5.333 MB / 0.9164 GB, free: 48.51 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03828/1.9, allocations: 20.29 MB / 0.9362 GB, free: 27.59 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00697/1.907, allocations: 4.477 MB / 0.9406 GB, free: 22.8 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003972/1.911, allocations: 2.039 MB / 0.9426 GB, free: 20.75 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002892/1.912, allocations: 143 kB / 0.9427 GB, free: 20.59 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.651e-05/1.912, allocations: 56.55 kB / 0.9428 GB, free: 20.53 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.883e-06/1.912, allocations: 0 / 0.9428 GB, free: 20.53 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1165/2.028, allocations: 25.89 MB / 0.9681 GB, free: 10.59 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001582/2.029, allocations: 239.6 kB / 0.9683 GB, free: 10.3 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002701/2.031, allocations: 1.262 MB / 0.9695 GB, free: 9.031 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006442/2.032, allocations: 69.7 kB / 0.9696 GB, free: 8.957 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00142/2.033, allocations: 1.47 MB / 0.971 GB, free: 7.465 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001527/2.035, allocations: 0.9396 MB / 0.972 GB, free: 6.512 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004593/2.035, allocations: 75.94 kB / 0.972 GB, free: 6.438 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003729/2.036, allocations: 440.8 kB / 0.9725 GB, free: 6 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00481/2.041, allocations: 2.115 MB / 0.9745 GB, free: 3.883 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005938/2.047, allocations: 3.003 MB / 0.9774 GB, free: 0.5 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005857/2.052, allocations: 2.588 MB / 0.98 GB, free: 13.89 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.552e-05/2.053, allocations: 8 kB / 0.98 GB, free: 13.88 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02268/2.075, allocations: 8.042 MB / 0.9878 GB, free: 5.777 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005585/2.081, allocations: 10.62 MB / 0.9982 GB, free: 10.32 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.275e-05/2.081, allocations: 24 kB / 0.9982 GB, free: 10.29 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0335/2.114, allocations: 6.513 MB / 1.005 GB, free: 3.766 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005307/2.12, allocations: 0.8735 MB / 1.005 GB, free: 2.891 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03239/2.152, allocations: 14.65 MB / 1.02 GB, free: 4.062 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00518/2.157, allocations: 0.5339 MB / 1.02 GB, free: 3.527 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009374/2.158, allocations: 191.9 kB / 1.02 GB, free: 3.34 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.605e-05/2.158, allocations: 5.875 kB / 1.02 GB, free: 3.336 MB / 0.7136 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.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.006842/2.165, allocations: 2.609 MB / 1.023 GB, free: 0.707 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated