Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.215/4.215, allocations: 464.6 MB / 476.8 MB, free: 2.188 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.542e-05/4.559e-05, allocations: 4 kB / 0.5732 GB, free: 5.57 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2348/0.2348, allocations: 107.1 MB / 0.6779 GB, free: 10.23 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9738/1.209, allocations: 194 MB / 0.8674 GB, free: 9.562 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004248/1.209, allocations: 116 kB / 0.8675 GB, free: 9.492 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.6043/1.813, allocations: 138.5 MB / 1.003 GB, free: 9.137 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.154e-06/1.814, allocations: 0 / 1.003 GB, free: 9.137 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0002066/1.814, allocations: 72 kB / 1.003 GB, free: 9.066 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01316/1.827, allocations: 2.965 MB / 1.006 GB, free: 6.047 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 5.5e-05/1.827, allocations: 8.031 kB / 1.006 GB, free: 6.039 MB / 0.7917 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003019/1.83, allocations: 0.5462 MB / 1.006 GB, free: 5.484 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02402/1.854, allocations: 2.231 MB / 1.008 GB, free: 3.246 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00761/1.862, allocations: 2.185 MB / 1.011 GB, free: 1.012 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003845/1.862, allocations: 271.1 kB / 1.011 GB, free: 0.7461 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002012/1.864, allocations: 348 kB / 1.011 GB, free: 416 kB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02298/1.887, allocations: 5.964 MB / 1.017 GB, free: 10.35 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001766/1.888, allocations: 15.86 kB / 1.017 GB, free: 10.33 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001733/1.889, allocations: 148 kB / 1.017 GB, free: 10.19 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009937/1.89, allocations: 302.1 kB / 1.017 GB, free: 9.891 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01833/1.909, allocations: 5.372 MB / 1.023 GB, free: 4.516 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 0.0637/1.972, allocations: 26.79 MB / 1.049 GB, free: 7.52 MB / 0.8386 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01083/1.983, allocations: 4.468 MB / 1.053 GB, free: 2.75 MB / 0.8386 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005897/1.989, allocations: 2.052 MB / 1.055 GB, free: 0.6719 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004777/1.99, allocations: 127 kB / 1.055 GB, free: 0.5312 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.663e-05/1.99, allocations: 64.56 kB / 1.055 GB, free: 468 kB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.32e-06/1.99, allocations: 3.938 kB / 1.055 GB, free: 464 kB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1762/2.166, allocations: 25.57 MB / 1.08 GB, free: 6.836 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001506/2.166, allocations: 247.6 kB / 1.081 GB, free: 6.543 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003199/2.169, allocations: 1.3 MB / 1.082 GB, free: 5.234 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007519/2.17, allocations: 69.7 kB / 1.082 GB, free: 5.16 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001526/2.172, allocations: 1.497 MB / 1.083 GB, free: 3.641 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001827/2.174, allocations: 0.9474 MB / 1.084 GB, free: 2.68 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000604/2.174, allocations: 64 kB / 1.084 GB, free: 2.617 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0004101/2.175, allocations: 440.8 kB / 1.085 GB, free: 2.18 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006318/2.181, allocations: 2.107 MB / 1.087 GB, free: 72 kB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007544/2.189, allocations: 2.995 MB / 1.09 GB, free: 12.69 MB / 0.8855 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007297/2.196, allocations: 2.571 MB / 1.092 GB, free: 10.1 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.566e-05/2.196, allocations: 8 kB / 1.092 GB, free: 10.09 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03132/2.227, allocations: 7.991 MB / 1.1 GB, free: 2.043 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 0.6035/2.831, allocations: 10.62 MB / 1.11 GB, free: 235.6 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.313e-05/2.831, allocations: 27.22 kB / 1.111 GB, free: 235.6 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05452/2.886, allocations: 5.73 MB / 1.116 GB, free: 235.6 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01053/2.896, allocations: 0.8764 MB / 1.117 GB, free: 235.6 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04961/2.946, allocations: 14.58 MB / 1.131 GB, free: 233.7 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007845/2.954, allocations: 0.5351 MB / 1.132 GB, free: 233.7 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001256/2.955, allocations: 172.1 kB / 1.132 GB, free: 233.7 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.93e-05/2.955, allocations: 2.969 kB / 1.132 GB, free: 233.7 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 0.008475/2.964, allocations: 2.592 MB / 1.134 GB, free: 233.7 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated