Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.196/4.196, allocations: 432.7 MB / 444.9 MB, free: 15.73 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.527e-05/4.537e-05, allocations: 4.391 kB / 0.5338 GB, free: 12.23 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2334/0.2335, allocations: 98.73 MB / 0.6303 GB, free: 6.121 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9887/1.222, allocations: 186.1 MB / 0.812 GB, free: 48.55 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004052/1.223, allocations: 111.3 kB / 0.8121 GB, free: 48.55 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5158/1.739, allocations: 134.3 MB / 0.9432 GB, free: 2.312 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 2.144e-06/1.739, allocations: 0 / 0.9432 GB, free: 2.312 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0002452/1.739, allocations: 75.94 kB / 0.9433 GB, free: 2.238 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01507/1.754, allocations: 2.93 MB / 0.9462 GB, free: 15.27 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 6.646e-05/1.754, allocations: 8.031 kB / 0.9462 GB, free: 15.26 MB / 0.698 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003442/1.758, allocations: 0.5457 MB / 0.9467 GB, free: 14.71 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02359/1.781, allocations: 2.126 MB / 0.9488 GB, free: 12.58 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008286/1.79, allocations: 2.177 MB / 0.9509 GB, free: 10.38 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004727/1.79, allocations: 264.5 kB / 0.9511 GB, free: 10.13 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002354/1.792, allocations: 347 kB / 0.9515 GB, free: 9.801 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02398/1.816, allocations: 5.903 MB / 0.9572 GB, free: 3.832 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001895/1.817, allocations: 7.938 kB / 0.9572 GB, free: 3.824 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001971/1.819, allocations: 146.3 kB / 0.9574 GB, free: 3.691 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001036/1.82, allocations: 302 kB / 0.9577 GB, free: 3.395 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01993/1.84, allocations: 5.321 MB / 0.9629 GB, free: 14.07 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 0.0631/1.903, allocations: 26.66 MB / 0.9889 GB, free: 1.352 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01094/1.914, allocations: 4.469 MB / 0.9933 GB, free: 12.59 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006015/1.92, allocations: 2.055 MB / 0.9953 GB, free: 10.52 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004063/1.92, allocations: 126.9 kB / 0.9954 GB, free: 10.38 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.282e-05/1.921, allocations: 64.5 kB / 0.9955 GB, free: 10.31 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 5.48e-06/1.921, allocations: 0 / 0.9955 GB, free: 10.31 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1825/2.103, allocations: 25.89 MB / 1.021 GB, free: 440 kB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001829/2.103, allocations: 235.6 kB / 1.021 GB, free: 152 kB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003789/2.107, allocations: 1.27 MB / 1.022 GB, free: 14.87 MB / 0.7761 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009055/2.108, allocations: 73.7 kB / 1.022 GB, free: 14.79 MB / 0.7761 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001949/2.11, allocations: 1.481 MB / 1.024 GB, free: 13.3 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002133/2.112, allocations: 0.942 MB / 1.025 GB, free: 12.36 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000665/2.113, allocations: 64 kB / 1.025 GB, free: 12.3 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0004751/2.113, allocations: 436.8 kB / 1.025 GB, free: 11.87 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006823/2.12, allocations: 2.122 MB / 1.027 GB, free: 9.742 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007835/2.128, allocations: 3.01 MB / 1.03 GB, free: 6.348 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007654/2.136, allocations: 2.577 MB / 1.033 GB, free: 3.746 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.218e-05/2.136, allocations: 12 kB / 1.033 GB, free: 3.734 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03162/2.168, allocations: 8.042 MB / 1.041 GB, free: 11.64 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005449/2.173, allocations: 10.63 MB / 1.051 GB, free: 172 kB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.712e-05/2.173, allocations: 28 kB / 1.051 GB, free: 144 kB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04658/2.22, allocations: 6.522 MB / 1.057 GB, free: 9.609 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00776/2.228, allocations: 0.8696 MB / 1.058 GB, free: 8.738 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05143/2.279, allocations: 14.66 MB / 1.072 GB, free: 9.914 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01005/2.289, allocations: 0.53 MB / 1.073 GB, free: 9.383 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001156/2.291, allocations: 187.9 kB / 1.073 GB, free: 9.199 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.598e-05/2.291, allocations: 4 kB / 1.073 GB, free: 9.195 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 0.01059/2.301, allocations: 2.602 MB / 1.076 GB, free: 6.566 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated