Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.245/4.245, allocations: 464.6 MB / 476.8 MB, free: 2.188 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.412e-05/4.419e-05, allocations: 4 kB / 0.5732 GB, free: 5.594 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2326/0.2326, allocations: 107.2 MB / 0.6779 GB, free: 10.24 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.053/1.286, allocations: 193.4 MB / 0.8667 GB, free: 10.54 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004945/1.286, allocations: 117.7 kB / 0.8669 GB, free: 10.47 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.613/1.899, allocations: 134.3 MB / 0.998 GB, free: 14.11 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.685e-06/1.899, allocations: 4 kB / 0.998 GB, free: 14.11 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0002169/1.9, allocations: 75.94 kB / 0.9981 GB, free: 14.03 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 0.01301/1.913, allocations: 2.936 MB / 1.001 GB, free: 11.04 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 5.465e-05/1.913, allocations: 8.031 kB / 1.001 GB, free: 11.04 MB / 0.7917 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002437/1.915, allocations: 0.5343 MB / 1.001 GB, free: 10.49 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02271/1.938, allocations: 2.133 MB / 1.004 GB, free: 8.352 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007942/1.946, allocations: 2.174 MB / 1.006 GB, free: 6.133 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004245/1.946, allocations: 267 kB / 1.006 GB, free: 5.871 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002015/1.948, allocations: 340 kB / 1.006 GB, free: 5.539 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02018/1.969, allocations: 5.904 MB / 1.012 GB, free: 15.54 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001187/1.969, allocations: 7.938 kB / 1.012 GB, free: 15.53 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008416/1.97, allocations: 151.9 kB / 1.012 GB, free: 15.38 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009217/1.971, allocations: 294 kB / 1.012 GB, free: 15.09 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01818/1.989, allocations: 5.333 MB / 1.018 GB, free: 9.758 MB / 0.8073 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 0.05937/2.048, allocations: 26.66 MB / 1.044 GB, free: 12.91 MB / 0.8386 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01072/2.059, allocations: 4.472 MB / 1.048 GB, free: 8.137 MB / 0.8386 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005916/2.065, allocations: 2.044 MB / 1.05 GB, free: 6.066 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003877/2.065, allocations: 131 kB / 1.05 GB, free: 5.918 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.169e-05/2.065, allocations: 68.48 kB / 1.05 GB, free: 5.844 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.57e-06/2.065, allocations: 4 kB / 1.05 GB, free: 5.84 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1769/2.242, allocations: 25.88 MB / 1.076 GB, free: 11.91 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001776/2.243, allocations: 235.6 kB / 1.076 GB, free: 11.63 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003052/2.246, allocations: 1.266 MB / 1.077 GB, free: 10.35 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007629/2.246, allocations: 65.7 kB / 1.077 GB, free: 10.28 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001508/2.248, allocations: 1.489 MB / 1.079 GB, free: 8.77 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001714/2.25, allocations: 0.9395 MB / 1.079 GB, free: 7.816 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004915/2.25, allocations: 64 kB / 1.08 GB, free: 7.754 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003388/2.251, allocations: 448.7 kB / 1.08 GB, free: 7.309 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005934/2.256, allocations: 2.119 MB / 1.082 GB, free: 5.188 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006981/2.264, allocations: 2.999 MB / 1.085 GB, free: 1.809 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00704/2.271, allocations: 2.59 MB / 1.087 GB, free: 15.2 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.618e-05/2.271, allocations: 8 kB / 1.087 GB, free: 15.19 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03005/2.301, allocations: 8.054 MB / 1.095 GB, free: 7.074 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 0.6156/2.916, allocations: 10.62 MB / 1.106 GB, free: 242 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.236e-05/2.917, allocations: 27.16 kB / 1.106 GB, free: 242 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04805/2.965, allocations: 6.525 MB / 1.112 GB, free: 242 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008073/2.973, allocations: 0.8755 MB / 1.113 GB, free: 242 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04022/3.013, allocations: 14.64 MB / 1.127 GB, free: 240.1 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007555/3.021, allocations: 0.5309 MB / 1.128 GB, free: 240.1 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001052/3.022, allocations: 194.4 kB / 1.128 GB, free: 240.1 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.684e-05/3.022, allocations: 6.656 kB / 1.128 GB, free: 240.1 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 0.008032/3.03, allocations: 2.604 MB / 1.13 GB, free: 240.1 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated