Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadModel(Buildings): time 3.899/3.899, allocations: 432.8 MB / 444.9 MB, free: 15.7 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.145e-05/3.16e-05, allocations: 4.797 kB / 0.5337 GB, free: 12.28 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2228/0.2228, allocations: 98.71 MB / 0.6301 GB, free: 6.195 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.726/0.9488, allocations: 186.7 MB / 0.8125 GB, free: 56.98 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003111/0.9492, allocations: 109.5 kB / 0.8126 GB, free: 56.98 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4802/1.429, allocations: 138.5 MB / 0.9479 GB, free: 3.785 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 1.718e-06/1.429, allocations: 0 / 0.9479 GB, free: 3.785 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001943/1.43, allocations: 72 kB / 0.9479 GB, free: 3.715 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 0.01025/1.44, allocations: 2.945 MB / 0.9508 GB, free: 0.7148 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.507e-05/1.44, allocations: 19.97 kB / 0.9508 GB, free: 0.6953 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01713/1.457, allocations: 2.223 MB / 0.953 GB, free: 14.46 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006677/1.464, allocations: 2.193 MB / 0.9551 GB, free: 12.22 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003748/1.464, allocations: 267.1 kB / 0.9554 GB, free: 11.96 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001833/1.466, allocations: 348 kB / 0.9557 GB, free: 11.62 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01911/1.485, allocations: 5.968 MB / 0.9616 GB, free: 5.559 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001248/1.485, allocations: 7.938 kB / 0.9616 GB, free: 5.551 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001395/1.487, allocations: 151.9 kB / 0.9617 GB, free: 5.402 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007702/1.488, allocations: 306.1 kB / 0.962 GB, free: 5.102 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01605/1.504, allocations: 5.376 MB / 0.9672 GB, free: 15.72 MB / 0.7136 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 0.05144/1.555, allocations: 26.78 MB / 0.9934 GB, free: 2.73 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008824/1.564, allocations: 4.461 MB / 0.9978 GB, free: 13.96 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004823/1.569, allocations: 2.044 MB / 0.9998 GB, free: 11.9 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003818/1.569, allocations: 139 kB / 0.9999 GB, free: 11.75 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.872e-05/1.569, allocations: 64.5 kB / 1 GB, free: 11.68 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 6.419e-06/1.569, allocations: 0 / 1 GB, free: 11.68 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1189/1.688, allocations: 25.57 MB / 1.025 GB, free: 2.059 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001742/1.689, allocations: 247.6 kB / 1.025 GB, free: 1.766 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002893/1.691, allocations: 1.3 MB / 1.026 GB, free: 468 kB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005867/1.692, allocations: 69.7 kB / 1.026 GB, free: 392 kB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001546/1.694, allocations: 1.505 MB / 1.028 GB, free: 14.85 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00153/1.695, allocations: 0.9357 MB / 1.029 GB, free: 13.9 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004306/1.696, allocations: 64 kB / 1.029 GB, free: 13.84 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0003853/1.696, allocations: 444.6 kB / 1.029 GB, free: 13.4 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005166/1.701, allocations: 2.115 MB / 1.031 GB, free: 11.29 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00635/1.708, allocations: 2.987 MB / 1.034 GB, free: 7.914 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006143/1.714, allocations: 2.573 MB / 1.037 GB, free: 5.316 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.611e-05/1.714, allocations: 11.94 kB / 1.037 GB, free: 5.305 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02401/1.738, allocations: 7.991 MB / 1.045 GB, free: 13.25 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006022/1.744, allocations: 10.64 MB / 1.055 GB, free: 1.781 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.375e-05/1.744, allocations: 28 kB / 1.055 GB, free: 1.754 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02806/1.772, allocations: 5.725 MB / 1.061 GB, free: 12.02 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005172/1.777, allocations: 0.8696 MB / 1.062 GB, free: 11.15 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03361/1.811, allocations: 14.59 MB / 1.076 GB, free: 12.39 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005214/1.816, allocations: 0.5417 MB / 1.076 GB, free: 11.85 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009508/1.817, allocations: 175.9 kB / 1.076 GB, free: 11.68 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.88e-05/1.817, allocations: 7.938 kB / 1.076 GB, free: 11.67 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 0.007145/1.824, allocations: 2.598 MB / 1.079 GB, free: 9.043 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated