Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 3.802/3.802, allocations: 403.3 MB / 415.4 MB, free: 12.98 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 4.463e-05/4.48e-05, allocations: 11.94 kB / 0.4992 GB, free: 13.31 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6016/0.6017, allocations: 92.68 MB / 0.5897 GB, free: 14.47 MB / 490.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3193/0.9211, allocations: 181.8 MB / 0.7672 GB, free: 8.383 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004719/0.9216, allocations: 111.9 kB / 0.7673 GB, free: 8.273 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.9839/1.906, allocations: 133.2 MB / 0.8974 GB, free: 68.28 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.054e-06/1.906, allocations: 0 / 0.8974 GB, free: 68.28 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0002025/1.906, allocations: 75.98 kB / 0.8975 GB, free: 68.2 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01229/1.918, allocations: 2.925 MB / 0.9003 GB, free: 65.22 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 5.102e-05/1.918, allocations: 12.03 kB / 0.9003 GB, free: 65.21 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002567/1.921, allocations: 0.5421 MB / 0.9009 GB, free: 64.66 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02174/1.943, allocations: 2.094 MB / 0.9029 GB, free: 62.56 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007364/1.95, allocations: 2.177 MB / 0.905 GB, free: 60.34 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003454/1.95, allocations: 263.1 kB / 0.9053 GB, free: 60.08 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001929/1.952, allocations: 347.9 kB / 0.9056 GB, free: 59.74 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01964/1.972, allocations: 5.949 MB / 0.9114 GB, free: 53.69 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001335/1.972, allocations: 4 kB / 0.9114 GB, free: 53.68 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001194/1.973, allocations: 144 kB / 0.9116 GB, free: 53.54 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008314/1.974, allocations: 302 kB / 0.9119 GB, free: 53.25 MB / 0.6511 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01632/1.991, allocations: 5.387 MB / 0.9171 GB, free: 47.85 MB / 0.6511 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04899/2.04, allocations: 20.28 MB / 0.9369 GB, free: 26.93 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009093/2.049, allocations: 4.507 MB / 0.9413 GB, free: 22.11 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004859/2.054, allocations: 2.05 MB / 0.9433 GB, free: 20.04 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003833/2.054, allocations: 135 kB / 0.9435 GB, free: 19.89 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.091e-05/2.054, allocations: 60.5 kB / 0.9435 GB, free: 19.82 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=208): time 4.939e-06/2.054, allocations: 0 / 0.9435 GB, free: 19.82 MB / 0.6511 GB Notification: Performance of matching and sorting (n=277): time 0.1923/2.246, allocations: 25.88 MB / 0.9688 GB, free: 9.902 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002018/2.247, allocations: 243.6 kB / 0.969 GB, free: 9.613 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004026/2.251, allocations: 1.262 MB / 0.9703 GB, free: 8.34 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.000893/2.252, allocations: 73.64 kB / 0.9703 GB, free: 8.262 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001856/2.254, allocations: 1.474 MB / 0.9718 GB, free: 6.766 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.002207/2.256, allocations: 0.9357 MB / 0.9727 GB, free: 5.816 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000634/2.256, allocations: 64 kB / 0.9727 GB, free: 5.754 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0004495/2.257, allocations: 444.8 kB / 0.9732 GB, free: 5.312 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.008029/2.265, allocations: 2.123 MB / 0.9752 GB, free: 3.188 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00926/2.274, allocations: 3.013 MB / 0.9782 GB, free: 15.79 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007876/2.282, allocations: 2.585 MB / 0.9807 GB, free: 13.18 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.539e-05/2.282, allocations: 11.95 kB / 0.9807 GB, free: 13.17 MB / 0.6823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04054/2.323, allocations: 8.116 MB / 0.9886 GB, free: 4.996 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.007109/2.33, allocations: 10.62 MB / 0.999 GB, free: 9.531 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001115/2.33, allocations: 28 kB / 0.999 GB, free: 9.504 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04697/2.377, allocations: 6.513 MB / 1.005 GB, free: 2.977 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007735/2.385, allocations: 0.8734 MB / 1.006 GB, free: 2.102 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04116/2.426, allocations: 14.64 MB / 1.021 GB, free: 3.285 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007551/2.434, allocations: 0.53 MB / 1.021 GB, free: 2.754 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001015/2.435, allocations: 195.9 kB / 1.021 GB, free: 2.562 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 1.619e-05/2.435, allocations: 4 kB / 1.021 GB, free: 2.559 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.008224/2.443, allocations: 2.656 MB / 1.024 GB, free: 15.88 MB / 0.7292 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated