Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.658/3.658, allocations: 403.3 MB / 415.4 MB, free: 12.99 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.333e-05/4.35e-05, allocations: 7.938 kB / 0.4991 GB, free: 13.32 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5813/0.5814, allocations: 92.68 MB / 0.5897 GB, free: 14.46 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3401/0.9216, allocations: 182.6 MB / 0.768 GB, free: 7.602 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004149/0.9221, allocations: 115.9 kB / 0.7681 GB, free: 7.488 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.06/1.982, allocations: 137.2 MB / 0.902 GB, free: 63.48 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.154e-06/1.983, allocations: 0 / 0.902 GB, free: 63.48 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001915/1.983, allocations: 76 kB / 0.9021 GB, free: 63.41 MB / 0.6511 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 0.01208/1.995, allocations: 2.959 MB / 0.905 GB, free: 60.4 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.624e-05/1.995, allocations: 12.03 kB / 0.905 GB, free: 60.39 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002613/1.998, allocations: 0.5463 MB / 0.9055 GB, free: 59.83 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02634/2.024, allocations: 2.207 MB / 0.9077 GB, free: 57.62 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007025/2.031, allocations: 2.189 MB / 0.9098 GB, free: 55.38 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000239/2.031, allocations: 267.1 kB / 0.9101 GB, free: 55.12 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001505/2.033, allocations: 347.9 kB / 0.9104 GB, free: 54.78 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01829/2.051, allocations: 6.021 MB / 0.9163 GB, free: 48.66 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001284/2.051, allocations: 3.906 kB / 0.9163 GB, free: 48.65 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009374/2.052, allocations: 151.9 kB / 0.9165 GB, free: 48.5 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007555/2.053, allocations: 302.1 kB / 0.9167 GB, free: 48.21 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01593/2.069, allocations: 5.434 MB / 0.9221 GB, free: 42.77 MB / 0.6511 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 0.04663/2.116, allocations: 20.4 MB / 0.942 GB, free: 21.71 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008942/2.125, allocations: 4.503 MB / 0.9464 GB, free: 16.9 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004713/2.129, allocations: 2.051 MB / 0.9484 GB, free: 14.83 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003507/2.13, allocations: 131 kB / 0.9485 GB, free: 14.68 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.846e-05/2.13, allocations: 60.5 kB / 0.9486 GB, free: 14.62 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 6.602e-06/2.13, allocations: 0 / 0.9486 GB, free: 14.62 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1597/2.29, allocations: 25.58 MB / 0.9735 GB, free: 4.988 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000145/2.29, allocations: 239.6 kB / 0.9738 GB, free: 4.703 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003073/2.293, allocations: 1.3 MB / 0.975 GB, free: 3.395 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007223/2.294, allocations: 69.7 kB / 0.9751 GB, free: 3.32 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001399/2.295, allocations: 1.493 MB / 0.9766 GB, free: 1.805 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001605/2.297, allocations: 0.9396 MB / 0.9775 GB, free: 0.8516 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004629/2.297, allocations: 64 kB / 0.9775 GB, free: 0.7891 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003057/2.297, allocations: 448.8 kB / 0.978 GB, free: 352 kB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005889/2.303, allocations: 2.107 MB / 0.98 GB, free: 14.23 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007329/2.311, allocations: 3.009 MB / 0.983 GB, free: 10.84 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007328/2.318, allocations: 2.569 MB / 0.9855 GB, free: 8.25 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.502e-05/2.318, allocations: 8 kB / 0.9855 GB, free: 8.242 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03023/2.348, allocations: 8.065 MB / 0.9934 GB, free: 124 kB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004727/2.353, allocations: 10.62 MB / 1.004 GB, free: 4.656 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.844e-05/2.353, allocations: 28 kB / 1.004 GB, free: 4.629 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03814/2.391, allocations: 5.706 MB / 1.009 GB, free: 14.91 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007737/2.399, allocations: 0.8735 MB / 1.01 GB, free: 14.03 MB / 0.7136 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04109/2.44, allocations: 14.59 MB / 1.024 GB, free: 15.27 MB / 0.7292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007516/2.448, allocations: 0.5341 MB / 1.025 GB, free: 14.73 MB / 0.7292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001046/2.449, allocations: 171.9 kB / 1.025 GB, free: 14.57 MB / 0.7292 GB
Notification: Performance of prepare postOptimizeDAE: time 1.722e-05/2.449, allocations: 4.375 kB / 1.025 GB, free: 14.56 MB / 0.7292 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 0.008162/2.457, allocations: 2.64 MB / 1.028 GB, free: 11.89 MB / 0.7292 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated