Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 3.861/3.861, allocations: 432.8 MB / 444.9 MB, free: 15.71 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.016e-05/3.025e-05, allocations: 4.719 kB / 0.5337 GB, free: 12.24 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1689/0.169, allocations: 98.72 MB / 0.6301 GB, free: 6.195 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7812/0.9502, allocations: 186.6 MB / 0.8124 GB, free: 56.95 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003264/0.9505, allocations: 113.4 kB / 0.8125 GB, free: 56.95 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4683/1.419, allocations: 134.9 MB / 0.9442 GB, free: 7.559 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 2.258e-06/1.419, allocations: 0 / 0.9442 GB, free: 7.559 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001958/1.419, allocations: 72 kB / 0.9443 GB, free: 7.488 MB / 0.6823 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01045/1.43, allocations: 2.957 MB / 0.9472 GB, free: 4.477 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.639e-05/1.43, allocations: 12.03 kB / 0.9472 GB, free: 4.465 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0162/1.446, allocations: 2.125 MB / 0.9493 GB, free: 2.332 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006513/1.452, allocations: 2.193 MB / 0.9514 GB, free: 96 kB / 0.6823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000364/1.453, allocations: 263.2 kB / 0.9516 GB, free: 15.83 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001571/1.454, allocations: 348 kB / 0.952 GB, free: 15.49 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01646/1.471, allocations: 5.936 MB / 0.9578 GB, free: 9.465 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001008/1.471, allocations: 7.938 kB / 0.9578 GB, free: 9.457 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006924/1.472, allocations: 147.9 kB / 0.9579 GB, free: 9.312 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006717/1.472, allocations: 306.1 kB / 0.9582 GB, free: 9.012 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01492/1.487, allocations: 5.341 MB / 0.9634 GB, free: 3.668 MB / 0.698 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05051/1.538, allocations: 26.73 MB / 0.9895 GB, free: 6.758 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008629/1.547, allocations: 4.469 MB / 0.9939 GB, free: 1.98 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004656/1.551, allocations: 2.048 MB / 0.9959 GB, free: 15.91 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000348/1.552, allocations: 131 kB / 0.996 GB, free: 15.77 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.52e-05/1.552, allocations: 72.45 kB / 0.9961 GB, free: 15.69 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 8.603e-06/1.552, allocations: 3.984 kB / 0.9961 GB, free: 15.68 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1234/1.675, allocations: 25.93 MB / 1.021 GB, free: 5.707 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001758/1.675, allocations: 247.6 kB / 1.022 GB, free: 5.414 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002728/1.678, allocations: 1.3 MB / 1.023 GB, free: 4.105 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005623/1.679, allocations: 73.7 kB / 1.023 GB, free: 4.027 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001467/1.68, allocations: 1.505 MB / 1.024 GB, free: 2.5 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00146/1.682, allocations: 0.928 MB / 1.025 GB, free: 1.559 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004081/1.682, allocations: 68 kB / 1.025 GB, free: 1.492 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0003683/1.683, allocations: 448.8 kB / 1.026 GB, free: 1.047 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004966/1.688, allocations: 2.115 MB / 1.028 GB, free: 14.93 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006124/1.694, allocations: 2.999 MB / 1.031 GB, free: 11.54 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005899/1.7, allocations: 2.592 MB / 1.033 GB, free: 8.926 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.363e-05/1.7, allocations: 8 kB / 1.033 GB, free: 8.918 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03795/1.738, allocations: 8.042 MB / 1.041 GB, free: 0.8242 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.009156/1.747, allocations: 10.63 MB / 1.052 GB, free: 5.355 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001475/1.747, allocations: 28 kB / 1.052 GB, free: 5.328 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06193/1.809, allocations: 6.533 MB / 1.058 GB, free: 14.78 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005178/1.814, allocations: 0.8735 MB / 1.059 GB, free: 13.91 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03283/1.847, allocations: 14.66 MB / 1.073 GB, free: 15.08 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005183/1.852, allocations: 0.5379 MB / 1.074 GB, free: 14.54 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000933/1.853, allocations: 195.9 kB / 1.074 GB, free: 14.35 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.523e-05/1.853, allocations: 7.938 kB / 1.074 GB, free: 14.34 MB / 0.823 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 0.006834/1.86, allocations: 2.605 MB / 1.076 GB, free: 11.7 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated