Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.533/4.533, allocations: 460.4 MB / 472.6 MB, free: 5.391 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.686e-05/4.697e-05, allocations: 8 kB / 0.5682 GB, free: 10.05 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2839/0.284, allocations: 106.2 MB / 0.6719 GB, free: 15.64 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9923/1.276, allocations: 193.5 MB / 0.8609 GB, free: 3.492 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004346/1.277, allocations: 111.2 kB / 0.861 GB, free: 3.426 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5751/1.852, allocations: 134.9 MB / 0.9928 GB, free: 6.727 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 1.973e-06/1.852, allocations: 0 / 0.9928 GB, free: 6.727 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0002325/1.852, allocations: 72 kB / 0.9929 GB, free: 6.656 MB / 0.7761 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 0.01372/1.866, allocations: 2.953 MB / 0.9958 GB, free: 3.648 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 6.378e-05/1.866, allocations: 8.031 kB / 0.9958 GB, free: 3.641 MB / 0.7761 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002989/1.869, allocations: 0.5424 MB / 0.9963 GB, free: 3.09 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02256/1.892, allocations: 2.129 MB / 0.9984 GB, free: 0.9531 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00822/1.9, allocations: 2.197 MB / 1.001 GB, free: 14.71 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004393/1.9, allocations: 267.1 kB / 1.001 GB, free: 14.45 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002242/1.903, allocations: 348 kB / 1.001 GB, free: 14.11 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02292/1.926, allocations: 5.925 MB / 1.007 GB, free: 8.09 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001528/1.926, allocations: 11.89 kB / 1.007 GB, free: 8.078 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001643/1.928, allocations: 148 kB / 1.007 GB, free: 7.934 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001021/1.929, allocations: 306.1 kB / 1.007 GB, free: 7.633 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01906/1.948, allocations: 5.345 MB / 1.013 GB, free: 2.281 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06242/2.01, allocations: 26.72 MB / 1.039 GB, free: 5.379 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01132/2.022, allocations: 4.484 MB / 1.043 GB, free: 0.582 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006189/2.028, allocations: 2.048 MB / 1.045 GB, free: 14.52 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005311/2.028, allocations: 135 kB / 1.045 GB, free: 14.37 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.27e-05/2.028, allocations: 68.55 kB / 1.045 GB, free: 14.29 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 7.033e-06/2.028, allocations: 0 / 1.045 GB, free: 14.29 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.2102/2.239, allocations: 25.92 MB / 1.071 GB, free: 4.32 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002051/2.239, allocations: 247.5 kB / 1.071 GB, free: 4.027 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004314/2.243, allocations: 1.3 MB / 1.072 GB, free: 2.719 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008932/2.244, allocations: 73.7 kB / 1.072 GB, free: 2.641 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00191/2.246, allocations: 1.501 MB / 1.074 GB, free: 1.117 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001959/2.248, allocations: 0.9318 MB / 1.075 GB, free: 176 kB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006167/2.249, allocations: 68 kB / 1.075 GB, free: 108 kB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0004784/2.249, allocations: 440.8 kB / 1.075 GB, free: 15.67 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006358/2.256, allocations: 2.119 MB / 1.077 GB, free: 13.55 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007545/2.263, allocations: 3.007 MB / 1.08 GB, free: 10.16 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007352/2.271, allocations: 2.585 MB / 1.083 GB, free: 7.547 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.577e-05/2.271, allocations: 8 kB / 1.083 GB, free: 7.539 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.6552/2.926, allocations: 8.047 MB / 1.09 GB, free: 233.2 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002521/2.929, allocations: 10.62 MB / 1.101 GB, free: 222.1 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.228e-05/2.929, allocations: 27.03 kB / 1.101 GB, free: 222.1 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04668/2.975, allocations: 6.531 MB / 1.107 GB, free: 222.1 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007884/2.983, allocations: 0.8753 MB / 1.108 GB, free: 222.1 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03972/3.023, allocations: 14.66 MB / 1.122 GB, free: 220.2 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007453/3.031, allocations: 0.5338 MB / 1.123 GB, free: 220.2 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00103/3.032, allocations: 193.8 kB / 1.123 GB, free: 220.2 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.756e-05/3.032, allocations: 4.094 kB / 1.123 GB, free: 220.2 MB / 0.8698 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 0.008106/3.04, allocations: 2.603 MB / 1.126 GB, free: 220.2 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated