Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.188/4.188, allocations: 432.7 MB / 444.9 MB, free: 15.7 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.811e-05/3.843e-05, allocations: 4.094 kB / 0.5338 GB, free: 12.24 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2254/0.2255, allocations: 98.73 MB / 0.6302 GB, free: 6.074 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9411/1.167, allocations: 186 MB / 0.8119 GB, free: 48.36 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004074/1.167, allocations: 111.1 kB / 0.812 GB, free: 48.36 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5852/1.752, allocations: 134.5 MB / 0.9433 GB, free: 2.266 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 1.804e-06/1.752, allocations: 0 / 0.9433 GB, free: 2.266 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0002172/1.753, allocations: 69.88 kB / 0.9433 GB, free: 2.199 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 0.01304/1.766, allocations: 2.937 MB / 0.9462 GB, free: 15.22 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 5.018e-05/1.766, allocations: 15.97 kB / 0.9462 GB, free: 15.2 MB / 0.698 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002724/1.768, allocations: 0.5379 MB / 0.9467 GB, free: 14.67 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02287/1.791, allocations: 2.122 MB / 0.9488 GB, free: 12.54 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007958/1.799, allocations: 2.171 MB / 0.9509 GB, free: 10.34 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004193/1.8, allocations: 269.4 kB / 0.9512 GB, free: 10.09 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002133/1.802, allocations: 343.1 kB / 0.9515 GB, free: 9.762 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02202/1.824, allocations: 5.899 MB / 0.9573 GB, free: 3.797 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001692/1.824, allocations: 11.94 kB / 0.9573 GB, free: 3.785 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001688/1.826, allocations: 151.7 kB / 0.9574 GB, free: 3.648 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009847/1.827, allocations: 294 kB / 0.9577 GB, free: 3.359 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0197/1.847, allocations: 5.329 MB / 0.9629 GB, free: 14.03 MB / 0.7136 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06054/1.907, allocations: 26.66 MB / 0.989 GB, free: 1.312 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01078/1.918, allocations: 4.469 MB / 0.9933 GB, free: 12.54 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005917/1.924, allocations: 2.048 MB / 0.9953 GB, free: 10.47 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000419/1.925, allocations: 138.2 kB / 0.9954 GB, free: 10.33 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.048e-05/1.925, allocations: 60.5 kB / 0.9955 GB, free: 10.26 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 5.25e-06/1.925, allocations: 0 / 0.9955 GB, free: 10.26 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1791/2.104, allocations: 25.89 MB / 1.021 GB, free: 388 kB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001535/2.104, allocations: 239.6 kB / 1.021 GB, free: 96 kB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003038/2.107, allocations: 1.266 MB / 1.022 GB, free: 14.82 MB / 0.7761 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007688/2.108, allocations: 73.7 kB / 1.022 GB, free: 14.74 MB / 0.7761 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001536/2.109, allocations: 1.483 MB / 1.024 GB, free: 13.25 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001885/2.111, allocations: 0.9401 MB / 1.025 GB, free: 12.31 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005075/2.112, allocations: 64 kB / 1.025 GB, free: 12.25 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.000338/2.112, allocations: 440.8 kB / 1.025 GB, free: 11.81 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006095/2.118, allocations: 2.123 MB / 1.027 GB, free: 9.688 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007337/2.126, allocations: 3.003 MB / 1.03 GB, free: 6.301 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007239/2.133, allocations: 2.581 MB / 1.033 GB, free: 3.695 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.572e-05/2.133, allocations: 8 kB / 1.033 GB, free: 3.688 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03072/2.164, allocations: 8.05 MB / 1.041 GB, free: 11.58 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004599/2.168, allocations: 10.63 MB / 1.051 GB, free: 120 kB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.001e-05/2.169, allocations: 24 kB / 1.051 GB, free: 96 kB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0465/2.215, allocations: 6.533 MB / 1.057 GB, free: 9.551 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007895/2.223, allocations: 0.8735 MB / 1.058 GB, free: 8.676 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04156/2.265, allocations: 14.66 MB / 1.073 GB, free: 9.855 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007783/2.273, allocations: 0.5301 MB / 1.073 GB, free: 9.324 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001076/2.274, allocations: 195.9 kB / 1.073 GB, free: 9.133 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.37e-05/2.274, allocations: 0 / 1.073 GB, free: 9.133 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 0.007831/2.282, allocations: 2.602 MB / 1.076 GB, free: 6.504 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated