Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.441/4.441, allocations: 460.4 MB / 472.6 MB, free: 5.395 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 5.131e-05/5.138e-05, allocations: 3.984 kB / 0.5682 GB, free: 10.04 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3162/0.3163, allocations: 106.2 MB / 0.6719 GB, free: 15.64 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.071/1.387, allocations: 192.9 MB / 0.8603 GB, free: 4.109 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000485/1.387, allocations: 111.3 kB / 0.8604 GB, free: 4.043 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5665/1.954, allocations: 134.5 MB / 0.9918 GB, free: 7.824 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.054e-06/1.954, allocations: 0 / 0.9918 GB, free: 7.824 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.000213/1.954, allocations: 79.92 kB / 0.9918 GB, free: 7.746 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 0.01375/1.968, allocations: 2.934 MB / 0.9947 GB, free: 4.758 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 5.087e-05/1.968, allocations: 8.031 kB / 0.9947 GB, free: 4.75 MB / 0.7761 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002776/1.971, allocations: 0.5421 MB / 0.9952 GB, free: 4.199 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02303/1.994, allocations: 2.114 MB / 0.9973 GB, free: 2.078 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007967/2.002, allocations: 2.178 MB / 0.9994 GB, free: 15.86 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004101/2.002, allocations: 259.1 kB / 0.9997 GB, free: 15.6 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00208/2.005, allocations: 355.9 kB / 1 GB, free: 15.25 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02164/2.026, allocations: 5.904 MB / 1.006 GB, free: 9.25 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001359/2.026, allocations: 7.891 kB / 1.006 GB, free: 9.242 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001312/2.028, allocations: 148 kB / 1.006 GB, free: 9.098 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001006/2.029, allocations: 298 kB / 1.006 GB, free: 8.805 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01844/2.047, allocations: 5.325 MB / 1.011 GB, free: 3.477 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0588/2.106, allocations: 26.66 MB / 1.037 GB, free: 6.633 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01048/2.117, allocations: 4.484 MB / 1.042 GB, free: 1.832 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005665/2.122, allocations: 2.044 MB / 1.044 GB, free: 15.77 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003672/2.123, allocations: 131 kB / 1.044 GB, free: 15.62 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.228e-05/2.123, allocations: 72.48 kB / 1.044 GB, free: 15.55 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.6e-06/2.123, allocations: 0 / 1.044 GB, free: 15.55 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1858/2.309, allocations: 25.87 MB / 1.069 GB, free: 5.625 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001481/2.309, allocations: 239.6 kB / 1.07 GB, free: 5.34 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002972/2.312, allocations: 1.266 MB / 1.071 GB, free: 4.062 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008525/2.313, allocations: 65.7 kB / 1.071 GB, free: 3.992 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001532/2.314, allocations: 1.482 MB / 1.072 GB, free: 2.488 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001858/2.316, allocations: 0.9396 MB / 1.073 GB, free: 1.535 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005878/2.317, allocations: 67.94 kB / 1.073 GB, free: 1.469 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003581/2.317, allocations: 444.8 kB / 1.074 GB, free: 1.027 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00623/2.323, allocations: 2.123 MB / 1.076 GB, free: 14.9 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007705/2.331, allocations: 2.999 MB / 1.079 GB, free: 11.52 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007472/2.339, allocations: 2.588 MB / 1.081 GB, free: 8.902 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.143e-05/2.339, allocations: 8 kB / 1.081 GB, free: 8.895 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03091/2.37, allocations: 8.05 MB / 1.089 GB, free: 0.7891 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.6033/2.973, allocations: 10.62 MB / 1.099 GB, free: 225.2 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001089/2.973, allocations: 26.91 kB / 1.099 GB, free: 225.2 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05148/3.025, allocations: 6.531 MB / 1.106 GB, free: 225.2 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008483/3.033, allocations: 0.8737 MB / 1.107 GB, free: 225.2 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04248/3.076, allocations: 14.65 MB / 1.121 GB, free: 223.3 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007695/3.083, allocations: 0.5288 MB / 1.122 GB, free: 223.3 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001228/3.085, allocations: 196.4 kB / 1.122 GB, free: 223.3 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.642e-05/3.085, allocations: 3.438 kB / 1.122 GB, free: 223.3 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 0.008043/3.093, allocations: 2.6 MB / 1.124 GB, free: 223.3 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated