Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.823/3.823, allocations: 403.3 MB / 415.4 MB, free: 12.99 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.004e-05/4.008e-05, allocations: 7.938 kB / 0.4991 GB, free: 13.33 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6247/0.6247, allocations: 92.68 MB / 0.5897 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3432/0.968, allocations: 180.8 MB / 0.7662 GB, free: 9.465 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004671/0.9685, allocations: 115.9 kB / 0.7663 GB, free: 9.352 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.018/1.987, allocations: 122.3 MB / 0.8857 GB, free: 80.37 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.174e-06/1.987, allocations: 3.938 kB / 0.8857 GB, free: 80.37 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001862/1.987, allocations: 67.98 kB / 0.8858 GB, free: 80.3 MB / 0.6511 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01197/1.999, allocations: 2.669 MB / 0.8884 GB, free: 77.57 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.282e-05/1.999, allocations: 8.031 kB / 0.8884 GB, free: 77.57 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002586/2.002, allocations: 480 kB / 0.8888 GB, free: 77.09 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02244/2.024, allocations: 2.067 MB / 0.8909 GB, free: 75.01 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007717/2.032, allocations: 1.997 MB / 0.8928 GB, free: 72.97 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003335/2.032, allocations: 230.1 kB / 0.893 GB, free: 72.74 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00196/2.034, allocations: 300 kB / 0.8933 GB, free: 72.45 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01924/2.054, allocations: 5.322 MB / 0.8985 GB, free: 67.02 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001647/2.054, allocations: 3.938 kB / 0.8985 GB, free: 67.01 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001638/2.056, allocations: 124 kB / 0.8986 GB, free: 66.89 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009243/2.057, allocations: 289.2 kB / 0.8989 GB, free: 66.61 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01628/2.073, allocations: 5.018 MB / 0.9038 GB, free: 61.57 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04895/2.122, allocations: 18.39 MB / 0.9218 GB, free: 42.66 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01046/2.132, allocations: 4.967 MB / 0.9266 GB, free: 37.35 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006116/2.139, allocations: 2.318 MB / 0.9289 GB, free: 35.02 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005344/2.139, allocations: 143 kB / 0.929 GB, free: 34.86 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.521e-05/2.139, allocations: 60.55 kB / 0.9291 GB, free: 34.79 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 5.56e-06/2.139, allocations: 3.938 kB / 0.9291 GB, free: 34.79 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.2409/2.38, allocations: 30.94 MB / 0.9593 GB, free: 3.836 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001203/2.38, allocations: 243.8 kB / 0.9595 GB, free: 3.547 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00352/2.384, allocations: 1.111 MB / 0.9606 GB, free: 2.418 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009957/2.385, allocations: 77.7 kB / 0.9607 GB, free: 2.336 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001039/2.386, allocations: 1.227 MB / 0.9619 GB, free: 1.09 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001833/2.388, allocations: 1.04 MB / 0.9629 GB, free: 36 kB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007604/2.389, allocations: 68.08 kB / 0.963 GB, free: 15.96 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0004476/2.389, allocations: 444.7 kB / 0.9634 GB, free: 15.52 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007142/2.396, allocations: 2.236 MB / 0.9656 GB, free: 13.29 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008311/2.405, allocations: 2.918 MB / 0.9684 GB, free: 10.1 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00813/2.413, allocations: 2.662 MB / 0.971 GB, free: 7.414 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.128e-05/2.413, allocations: 8 kB / 0.971 GB, free: 7.406 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03429/2.447, allocations: 8.404 MB / 0.9792 GB, free: 14.95 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003565/2.451, allocations: 7.327 MB / 0.9864 GB, free: 7.047 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.983e-05/2.451, allocations: 20 kB / 0.9864 GB, free: 7.027 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04831/2.499, allocations: 6.731 MB / 0.993 GB, free: 288 kB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007788/2.507, allocations: 0.8228 MB / 0.9938 GB, free: 15.46 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04967/2.557, allocations: 16.64 MB / 1.01 GB, free: 14.64 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007574/2.564, allocations: 0.5069 MB / 1.011 GB, free: 14.14 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001212/2.566, allocations: 183.9 kB / 1.011 GB, free: 13.96 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.922e-05/2.566, allocations: 8 kB / 1.011 GB, free: 13.95 MB / 0.7136 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 0.008851/2.575, allocations: 2.703 MB / 1.013 GB, free: 11.22 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated