Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.579/4.579, allocations: 460.5 MB / 472.6 MB, free: 5.379 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.722e-05/3.72e-05, allocations: 4 kB / 0.5682 GB, free: 10.05 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2578/0.2579, allocations: 106.2 MB / 0.6719 GB, free: 15.62 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9802/1.238, allocations: 193 MB / 0.8604 GB, free: 4.34 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000422/1.239, allocations: 116.8 kB / 0.8606 GB, free: 4.27 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5813/1.82, allocations: 134.3 MB / 0.9917 GB, free: 7.938 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 3.196e-06/1.82, allocations: 0 / 0.9917 GB, free: 7.938 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0002216/1.82, allocations: 68 kB / 0.9918 GB, free: 7.871 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01421/1.834, allocations: 2.933 MB / 0.9946 GB, free: 4.883 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 6.172e-05/1.835, allocations: 8.031 kB / 0.9947 GB, free: 4.875 MB / 0.7761 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003108/1.838, allocations: 0.5382 MB / 0.9952 GB, free: 4.328 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02279/1.861, allocations: 2.126 MB / 0.9973 GB, free: 2.195 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008214/1.869, allocations: 2.17 MB / 0.9994 GB, free: 15.98 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004265/1.869, allocations: 271 kB / 0.9996 GB, free: 15.71 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002163/1.871, allocations: 351.9 kB / 1 GB, free: 15.37 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02276/1.894, allocations: 5.901 MB / 1.006 GB, free: 9.371 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001684/1.895, allocations: 7.953 kB / 1.006 GB, free: 9.363 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001774/1.896, allocations: 148 kB / 1.006 GB, free: 9.219 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001023/1.897, allocations: 301.9 kB / 1.006 GB, free: 8.922 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01916/1.917, allocations: 5.325 MB / 1.011 GB, free: 3.594 MB / 0.7917 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 0.06329/1.98, allocations: 26.67 MB / 1.037 GB, free: 6.738 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01141/1.991, allocations: 4.473 MB / 1.042 GB, free: 1.953 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006408/1.998, allocations: 2.052 MB / 1.044 GB, free: 15.89 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004992/1.998, allocations: 135 kB / 1.044 GB, free: 15.73 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.126e-05/1.998, allocations: 60.56 kB / 1.044 GB, free: 15.67 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.16e-06/1.998, allocations: 0 / 1.044 GB, free: 15.67 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1806/2.179, allocations: 25.87 MB / 1.069 GB, free: 5.75 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000168/2.179, allocations: 239.6 kB / 1.069 GB, free: 5.465 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003217/2.183, allocations: 1.27 MB / 1.071 GB, free: 4.184 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007946/2.183, allocations: 69.7 kB / 1.071 GB, free: 4.109 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001573/2.185, allocations: 1.482 MB / 1.072 GB, free: 2.605 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001875/2.187, allocations: 0.9435 MB / 1.073 GB, free: 1.648 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005588/2.188, allocations: 64 kB / 1.073 GB, free: 1.586 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003757/2.188, allocations: 444.8 kB / 1.074 GB, free: 1.145 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006345/2.194, allocations: 2.115 MB / 1.076 GB, free: 15.03 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007566/2.202, allocations: 3.003 MB / 1.079 GB, free: 11.64 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00739/2.209, allocations: 2.585 MB / 1.081 GB, free: 9.031 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.981e-05/2.209, allocations: 11.94 kB / 1.081 GB, free: 9.02 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03121/2.241, allocations: 8.05 MB / 1.089 GB, free: 0.9102 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.6573/2.898, allocations: 10.62 MB / 1.099 GB, free: 226 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001025/2.898, allocations: 28.34 kB / 1.099 GB, free: 226 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04733/2.946, allocations: 6.528 MB / 1.106 GB, free: 226 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007865/2.953, allocations: 0.8706 MB / 1.107 GB, free: 226 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04255/2.996, allocations: 14.64 MB / 1.121 GB, free: 224.1 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00772/3.004, allocations: 0.5267 MB / 1.121 GB, free: 224.1 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001148/3.005, allocations: 198.4 kB / 1.122 GB, free: 224.1 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.71e-05/3.005, allocations: 5.469 kB / 1.122 GB, free: 224.1 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 0.007928/3.013, allocations: 2.602 MB / 1.124 GB, free: 224 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated