Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.874/3.874, allocations: 403.3 MB / 415.4 MB, free: 12.95 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.985e-05/4.998e-05, allocations: 11.98 kB / 0.4992 GB, free: 13.29 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6028/0.6029, allocations: 92.67 MB / 0.5897 GB, free: 14.46 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3136/0.9165, allocations: 181.5 MB / 0.7669 GB, free: 8.715 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004103/0.917, allocations: 111.9 kB / 0.767 GB, free: 8.605 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.044/1.961, allocations: 123 MB / 0.8871 GB, free: 78.95 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.434e-06/1.961, allocations: 0 / 0.8871 GB, free: 78.95 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001766/1.962, allocations: 67.98 kB / 0.8872 GB, free: 78.89 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.01117/1.973, allocations: 2.697 MB / 0.8898 GB, free: 76.13 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.541e-05/1.973, allocations: 8.031 kB / 0.8898 GB, free: 76.12 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002074/1.975, allocations: 488.3 kB / 0.8903 GB, free: 75.64 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03043/2.005, allocations: 2.075 MB / 0.8923 GB, free: 73.55 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009176/2.015, allocations: 2.001 MB / 0.8942 GB, free: 71.51 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003879/2.015, allocations: 234.2 kB / 0.8945 GB, free: 71.28 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002358/2.017, allocations: 300 kB / 0.8948 GB, free: 70.98 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02493/2.042, allocations: 5.315 MB / 0.8999 GB, free: 65.56 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001644/2.043, allocations: 4 kB / 0.8999 GB, free: 65.56 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001395/2.044, allocations: 128 kB / 0.9001 GB, free: 65.43 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001224/2.045, allocations: 293.3 kB / 0.9003 GB, free: 65.14 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02374/2.069, allocations: 4.977 MB / 0.9052 GB, free: 60.16 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04652/2.116, allocations: 18.46 MB / 0.9232 GB, free: 41.18 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009746/2.126, allocations: 4.936 MB / 0.9281 GB, free: 35.9 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005649/2.131, allocations: 2.318 MB / 0.9303 GB, free: 33.57 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004287/2.132, allocations: 135 kB / 0.9304 GB, free: 33.42 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.511e-05/2.132, allocations: 60.5 kB / 0.9305 GB, free: 33.35 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 5.601e-06/2.132, allocations: 4 kB / 0.9305 GB, free: 33.35 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.2129/2.345, allocations: 30.99 MB / 0.9608 GB, free: 2.348 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.381e-05/2.345, allocations: 239.9 kB / 0.961 GB, free: 2.062 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002386/2.347, allocations: 1.153 MB / 0.9621 GB, free: 0.8945 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008359/2.348, allocations: 73.7 kB / 0.9622 GB, free: 0.8164 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001026/2.349, allocations: 1.25 MB / 0.9634 GB, free: 15.55 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00191/2.351, allocations: 1.036 MB / 0.9644 GB, free: 14.5 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004942/2.352, allocations: 71.94 kB / 0.9645 GB, free: 14.43 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003352/2.352, allocations: 440.7 kB / 0.9649 GB, free: 13.99 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0062/2.358, allocations: 2.236 MB / 0.9671 GB, free: 11.75 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0074/2.366, allocations: 2.908 MB / 0.9699 GB, free: 8.57 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007372/2.373, allocations: 2.654 MB / 0.9725 GB, free: 5.895 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.428e-05/2.373, allocations: 4 kB / 0.9725 GB, free: 5.891 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02994/2.403, allocations: 8.361 MB / 0.9807 GB, free: 13.48 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003266/2.406, allocations: 7.323 MB / 0.9879 GB, free: 5.574 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.64e-05/2.407, allocations: 20 kB / 0.9879 GB, free: 5.555 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04641/2.453, allocations: 6.719 MB / 0.9944 GB, free: 14.82 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007373/2.46, allocations: 0.8269 MB / 0.9952 GB, free: 14 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05075/2.511, allocations: 16.67 MB / 1.012 GB, free: 13.15 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01055/2.522, allocations: 0.4952 MB / 1.012 GB, free: 12.65 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001506/2.523, allocations: 183.9 kB / 1.012 GB, free: 12.47 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2e-05/2.523, allocations: 4 kB / 1.012 GB, free: 12.47 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 0.01237/2.536, allocations: 2.688 MB / 1.015 GB, free: 9.762 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated