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 4.035/4.035, allocations: 403.3 MB / 415.4 MB, free: 12.96 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.599e-05/4.601e-05, allocations: 4 kB / 0.4992 GB, free: 13.3 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6438/0.6439, allocations: 92.68 MB / 0.5897 GB, free: 14.36 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3353/0.9793, allocations: 180.8 MB / 0.7662 GB, free: 9.324 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004656/0.9798, allocations: 115.9 kB / 0.7663 GB, free: 9.211 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.044/2.024, allocations: 122.3 MB / 0.8857 GB, free: 80.12 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.735e-06/2.024, allocations: 0 / 0.8857 GB, free: 80.12 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001866/2.024, allocations: 64 kB / 0.8858 GB, free: 80.06 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 0.01174/2.036, allocations: 2.662 MB / 0.8884 GB, free: 77.34 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.53e-05/2.036, allocations: 8.031 kB / 0.8884 GB, free: 77.33 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002469/2.039, allocations: 492 kB / 0.8889 GB, free: 76.84 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02184/2.061, allocations: 2.064 MB / 0.8909 GB, free: 74.77 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007046/2.068, allocations: 1.993 MB / 0.8928 GB, free: 72.73 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003541/2.068, allocations: 234.1 kB / 0.8931 GB, free: 72.5 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002051/2.07, allocations: 292 kB / 0.8933 GB, free: 72.21 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0169/2.087, allocations: 5.29 MB / 0.8985 GB, free: 66.82 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001147/2.087, allocations: 7.938 kB / 0.8985 GB, free: 66.81 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006746/2.088, allocations: 132 kB / 0.8986 GB, free: 66.68 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007508/2.089, allocations: 281.3 kB / 0.8989 GB, free: 66.4 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01495/2.104, allocations: 4.957 MB / 0.9038 GB, free: 61.44 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04421/2.148, allocations: 18.4 MB / 0.9217 GB, free: 42.52 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00943/2.158, allocations: 4.949 MB / 0.9265 GB, free: 37.22 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00557/2.163, allocations: 2.302 MB / 0.9288 GB, free: 34.91 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004023/2.164, allocations: 147 kB / 0.9289 GB, free: 34.75 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.166e-05/2.164, allocations: 60.5 kB / 0.929 GB, free: 34.68 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 5.32e-06/2.164, allocations: 0 / 0.929 GB, free: 34.68 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.2125/2.376, allocations: 30.93 MB / 0.9592 GB, free: 3.734 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001247/2.376, allocations: 243.9 kB / 0.9594 GB, free: 3.445 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002399/2.379, allocations: 1.119 MB / 0.9605 GB, free: 2.309 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.000932/2.38, allocations: 73.7 kB / 0.9606 GB, free: 2.23 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008403/2.381, allocations: 1.227 MB / 0.9618 GB, free: 0.9844 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001713/2.382, allocations: 1.04 MB / 0.9628 GB, free: 15.93 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005454/2.383, allocations: 64 kB / 0.9629 GB, free: 15.86 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.000393/2.383, allocations: 444.7 kB / 0.9633 GB, free: 15.42 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006692/2.39, allocations: 2.236 MB / 0.9655 GB, free: 13.18 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007896/2.398, allocations: 2.908 MB / 0.9683 GB, free: 10.01 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007935/2.406, allocations: 2.658 MB / 0.9709 GB, free: 7.328 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.655e-05/2.406, allocations: 4 kB / 0.9709 GB, free: 7.324 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03252/2.439, allocations: 8.362 MB / 0.9791 GB, free: 14.91 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003701/2.442, allocations: 7.326 MB / 0.9862 GB, free: 7.004 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.868e-05/2.443, allocations: 16 kB / 0.9863 GB, free: 6.988 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04827/2.491, allocations: 6.723 MB / 0.9928 GB, free: 256 kB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007808/2.499, allocations: 0.8228 MB / 0.9936 GB, free: 15.43 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06456/2.563, allocations: 16.65 MB / 1.01 GB, free: 14.61 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01026/2.574, allocations: 0.5146 MB / 1.01 GB, free: 14.09 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001603/2.575, allocations: 175.9 kB / 1.011 GB, free: 13.92 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2.01e-05/2.575, allocations: 0 / 1.011 GB, free: 13.92 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 0.01113/2.587, allocations: 2.685 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