Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.334/4.334, allocations: 460.5 MB / 472.6 MB, free: 5.383 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.576e-05/3.581e-05, allocations: 4 kB / 0.5682 GB, free: 10.04 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2518/0.2519, allocations: 106.2 MB / 0.6719 GB, free: 15.63 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9564/1.208, allocations: 192.5 MB / 0.86 GB, free: 4.457 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000415/1.209, allocations: 109.8 kB / 0.8601 GB, free: 4.395 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.523/1.732, allocations: 124 MB / 0.9812 GB, free: 2.742 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 2.475e-06/1.732, allocations: 0 / 0.9812 GB, free: 2.742 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0002048/1.732, allocations: 67.98 kB / 0.9813 GB, free: 2.676 MB / 0.7605 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.0126/1.745, allocations: 2.697 MB / 0.9839 GB, free: 15.92 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 7.063e-05/1.745, allocations: 8.031 kB / 0.9839 GB, free: 15.91 MB / 0.7761 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003205/1.748, allocations: 492.3 kB / 0.9844 GB, free: 15.42 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02305/1.771, allocations: 2.091 MB / 0.9864 GB, free: 13.32 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007488/1.779, allocations: 2.005 MB / 0.9884 GB, free: 11.27 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000414/1.779, allocations: 234.2 kB / 0.9886 GB, free: 11.04 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001937/1.781, allocations: 296 kB / 0.9889 GB, free: 10.75 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0217/1.803, allocations: 5.311 MB / 0.9941 GB, free: 5.336 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002514/1.803, allocations: 11.84 kB / 0.9941 GB, free: 5.324 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002266/1.805, allocations: 135.9 kB / 0.9942 GB, free: 5.191 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001551/1.807, allocations: 289.3 kB / 0.9945 GB, free: 4.906 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0261/1.833, allocations: 4.977 MB / 0.9994 GB, free: 15.92 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07896/1.912, allocations: 24.84 MB / 1.024 GB, free: 5.016 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0112/1.923, allocations: 4.94 MB / 1.028 GB, free: 15.71 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006606/1.93, allocations: 2.317 MB / 1.031 GB, free: 13.38 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004797/1.931, allocations: 139 kB / 1.031 GB, free: 13.22 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.691e-05/1.931, allocations: 60.56 kB / 1.031 GB, free: 13.16 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 5.43e-06/1.931, allocations: 7.938 kB / 1.031 GB, free: 13.15 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.2167/2.147, allocations: 30.98 MB / 1.061 GB, free: 14.16 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001791/2.148, allocations: 243.8 kB / 1.061 GB, free: 13.88 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002831/2.151, allocations: 1.153 MB / 1.063 GB, free: 12.71 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008395/2.151, allocations: 73.7 kB / 1.063 GB, free: 12.63 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001181/2.153, allocations: 1.246 MB / 1.064 GB, free: 11.36 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00166/2.154, allocations: 1.043 MB / 1.065 GB, free: 10.3 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004472/2.155, allocations: 68 kB / 1.065 GB, free: 10.24 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003274/2.155, allocations: 440.7 kB / 1.065 GB, free: 9.801 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005931/2.161, allocations: 2.236 MB / 1.068 GB, free: 7.562 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006662/2.168, allocations: 2.904 MB / 1.07 GB, free: 4.391 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007082/2.175, allocations: 2.654 MB / 1.073 GB, free: 1.715 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.557e-05/2.175, allocations: 8 kB / 1.073 GB, free: 1.707 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03043/2.205, allocations: 8.365 MB / 1.081 GB, free: 9.289 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003249/2.209, allocations: 7.324 MB / 1.088 GB, free: 1.387 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.639e-05/2.209, allocations: 16 kB / 1.088 GB, free: 1.371 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6849/2.894, allocations: 6.757 MB / 1.095 GB, free: 242.3 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00751/2.901, allocations: 0.82 MB / 1.096 GB, free: 242.3 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05639/2.958, allocations: 16.67 MB / 1.112 GB, free: 240.5 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009534/2.967, allocations: 0.5058 MB / 1.112 GB, free: 240.5 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00128/2.969, allocations: 176.4 kB / 1.113 GB, free: 240.5 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.94e-05/2.969, allocations: 3.875 kB / 1.113 GB, free: 240.5 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 0.01096/2.98, allocations: 2.68 MB / 1.115 GB, free: 240.4 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated