Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.254/4.254, allocations: 464.6 MB / 476.8 MB, free: 2.184 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.874e-05/3.878e-05, allocations: 4 kB / 0.5732 GB, free: 5.578 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2412/0.2413, allocations: 107.1 MB / 0.6779 GB, free: 10.24 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9466/1.188, allocations: 193.3 MB / 0.8666 GB, free: 10.36 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004338/1.188, allocations: 116.8 kB / 0.8667 GB, free: 10.29 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.6943/1.883, allocations: 134.5 MB / 0.9981 GB, free: 13.96 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.064e-06/1.883, allocations: 0 / 0.9981 GB, free: 13.96 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0002735/1.883, allocations: 71.98 kB / 0.9981 GB, free: 13.89 MB / 0.7917 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 0.01843/1.902, allocations: 2.937 MB / 1.001 GB, free: 10.89 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 5.68e-05/1.902, allocations: 8.031 kB / 1.001 GB, free: 10.89 MB / 0.7917 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0026/1.904, allocations: 0.5421 MB / 1.002 GB, free: 10.34 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02271/1.927, allocations: 2.118 MB / 1.004 GB, free: 8.211 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007689/1.935, allocations: 2.174 MB / 1.006 GB, free: 5.992 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003636/1.935, allocations: 267 kB / 1.006 GB, free: 5.73 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001811/1.937, allocations: 348 kB / 1.006 GB, free: 5.391 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02005/1.957, allocations: 5.9 MB / 1.012 GB, free: 15.39 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001225/1.957, allocations: 7.938 kB / 1.012 GB, free: 15.39 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009178/1.958, allocations: 144 kB / 1.012 GB, free: 15.25 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009139/1.959, allocations: 305.9 kB / 1.013 GB, free: 14.95 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01847/1.978, allocations: 5.34 MB / 1.018 GB, free: 9.602 MB / 0.8073 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06298/2.041, allocations: 26.65 MB / 1.044 GB, free: 12.77 MB / 0.8386 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01069/2.051, allocations: 4.479 MB / 1.048 GB, free: 7.988 MB / 0.8386 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005851/2.057, allocations: 2.052 MB / 1.05 GB, free: 5.91 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000382/2.058, allocations: 131 kB / 1.05 GB, free: 5.762 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.108e-05/2.058, allocations: 68.5 kB / 1.05 GB, free: 5.688 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.541e-06/2.058, allocations: 0 / 1.05 GB, free: 5.688 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1782/2.236, allocations: 25.88 MB / 1.076 GB, free: 11.76 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001965/2.236, allocations: 247.6 kB / 1.076 GB, free: 11.47 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003094/2.239, allocations: 1.262 MB / 1.077 GB, free: 10.2 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007217/2.24, allocations: 69.7 kB / 1.077 GB, free: 10.12 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001503/2.242, allocations: 1.482 MB / 1.079 GB, free: 8.617 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001677/2.243, allocations: 0.9396 MB / 1.079 GB, free: 7.664 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004667/2.244, allocations: 64 kB / 1.08 GB, free: 7.602 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003383/2.244, allocations: 440.8 kB / 1.08 GB, free: 7.164 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006057/2.25, allocations: 2.126 MB / 1.082 GB, free: 5.035 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008624/2.259, allocations: 2.999 MB / 1.085 GB, free: 1.656 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007322/2.266, allocations: 2.582 MB / 1.087 GB, free: 15.05 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.614e-05/2.266, allocations: 8 kB / 1.088 GB, free: 15.04 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03055/2.297, allocations: 8.054 MB / 1.095 GB, free: 6.93 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 0.6825/2.98, allocations: 10.62 MB / 1.106 GB, free: 241.4 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.104e-05/2.98, allocations: 31 kB / 1.106 GB, free: 241.4 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04783/3.028, allocations: 6.534 MB / 1.112 GB, free: 241.4 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007794/3.035, allocations: 0.8699 MB / 1.113 GB, free: 241.4 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04193/3.077, allocations: 14.65 MB / 1.127 GB, free: 239.5 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00754/3.085, allocations: 0.5283 MB / 1.128 GB, free: 239.5 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00109/3.086, allocations: 191.8 kB / 1.128 GB, free: 239.5 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.51e-05/3.086, allocations: 2.969 kB / 1.128 GB, free: 239.5 MB / 0.8855 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 0.007755/3.094, allocations: 2.615 MB / 1.131 GB, free: 239.5 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated