Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.007/4.007, allocations: 403.3 MB / 415.4 MB, free: 12.99 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.959e-05/3.963e-05, allocations: 7.938 kB / 0.4992 GB, free: 13.33 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6167/0.6168, allocations: 92.67 MB / 0.5897 GB, free: 14.48 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3159/0.9327, allocations: 180.8 MB / 0.7662 GB, free: 9.453 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004466/0.9332, allocations: 115.9 kB / 0.7663 GB, free: 9.34 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.9657/1.899, allocations: 122.3 MB / 0.8857 GB, free: 80.35 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.136e-06/1.899, allocations: 0 / 0.8857 GB, free: 80.35 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002026/1.899, allocations: 67.98 kB / 0.8858 GB, free: 80.28 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 0.01244/1.912, allocations: 2.662 MB / 0.8884 GB, free: 77.56 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.613e-05/1.912, allocations: 12.03 kB / 0.8884 GB, free: 77.55 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002629/1.914, allocations: 488 kB / 0.8888 GB, free: 77.06 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02224/1.937, allocations: 2.067 MB / 0.8909 GB, free: 74.99 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006827/1.944, allocations: 1.986 MB / 0.8928 GB, free: 72.96 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003004/1.944, allocations: 238.1 kB / 0.893 GB, free: 72.72 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001933/1.946, allocations: 296 kB / 0.8933 GB, free: 72.43 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01829/1.964, allocations: 5.322 MB / 0.8985 GB, free: 67 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001822/1.964, allocations: 7.938 kB / 0.8985 GB, free: 66.99 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001653/1.966, allocations: 132 kB / 0.8986 GB, free: 66.86 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009201/1.967, allocations: 281.3 kB / 0.8989 GB, free: 66.59 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01567/1.983, allocations: 5.007 MB / 0.9038 GB, free: 61.57 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04708/2.03, allocations: 18.4 MB / 0.9218 GB, free: 42.64 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01019/2.04, allocations: 4.967 MB / 0.9266 GB, free: 37.33 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005902/2.046, allocations: 2.314 MB / 0.9289 GB, free: 35 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004928/2.047, allocations: 139 kB / 0.929 GB, free: 34.85 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.466e-05/2.047, allocations: 64.56 kB / 0.9291 GB, free: 34.77 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 5.43e-06/2.047, allocations: 0 / 0.9291 GB, free: 34.77 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.211/2.258, allocations: 30.94 MB / 0.9593 GB, free: 3.828 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.788e-05/2.258, allocations: 243.8 kB / 0.9595 GB, free: 3.539 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002294/2.26, allocations: 1.119 MB / 0.9606 GB, free: 2.402 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008147/2.261, allocations: 81.64 kB / 0.9607 GB, free: 2.316 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008195/2.262, allocations: 1.223 MB / 0.9619 GB, free: 1.074 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001508/2.263, allocations: 1.04 MB / 0.9629 GB, free: 20 kB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005248/2.264, allocations: 64.08 kB / 0.963 GB, free: 15.95 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.000344/2.264, allocations: 444.7 kB / 0.9634 GB, free: 15.51 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006685/2.271, allocations: 2.24 MB / 0.9656 GB, free: 13.27 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007589/2.279, allocations: 2.918 MB / 0.9684 GB, free: 10.08 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007653/2.286, allocations: 2.662 MB / 0.971 GB, free: 7.398 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.102e-05/2.286, allocations: 4 kB / 0.971 GB, free: 7.395 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03154/2.318, allocations: 8.412 MB / 0.9792 GB, free: 14.93 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003128/2.321, allocations: 7.33 MB / 0.9864 GB, free: 7.023 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.815e-05/2.321, allocations: 20 kB / 0.9864 GB, free: 7.004 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04738/2.369, allocations: 6.723 MB / 0.993 GB, free: 272 kB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007718/2.376, allocations: 0.8189 MB / 0.9938 GB, free: 15.45 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04627/2.423, allocations: 16.64 MB / 1.01 GB, free: 14.63 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007582/2.43, allocations: 0.511 MB / 1.011 GB, free: 14.12 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001144/2.432, allocations: 175.9 kB / 1.011 GB, free: 13.95 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.724e-05/2.432, allocations: 5.25 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 0.008844/2.441, allocations: 2.711 MB / 1.013 GB, free: 11.21 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated