Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadModel(Buildings): time 3.555/3.555, allocations: 403.3 MB / 415.4 MB, free: 12.93 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.293e-05/3.339e-05, allocations: 4 kB / 0.4991 GB, free: 13.34 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5436/0.5436, allocations: 92.68 MB / 0.5896 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2976/0.8413, allocations: 181.5 MB / 0.7668 GB, free: 8.762 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003613/0.8417, allocations: 115.9 kB / 0.7669 GB, free: 8.648 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.826/1.668, allocations: 123 MB / 0.887 GB, free: 78.98 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 4.089e-06/1.668, allocations: 4 kB / 0.887 GB, free: 78.98 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001551/1.668, allocations: 67.92 kB / 0.887 GB, free: 78.91 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 0.00852/1.676, allocations: 2.693 MB / 0.8897 GB, free: 76.16 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.564e-05/1.676, allocations: 8.031 kB / 0.8897 GB, free: 76.15 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01477/1.691, allocations: 2.071 MB / 0.8917 GB, free: 74.07 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005249/1.697, allocations: 2.001 MB / 0.8936 GB, free: 72.03 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002422/1.697, allocations: 234.2 kB / 0.8939 GB, free: 71.8 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001497/1.698, allocations: 311.9 kB / 0.8942 GB, free: 71.49 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01423/1.713, allocations: 5.339 MB / 0.8994 GB, free: 66.04 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.154e-05/1.713, allocations: 3.953 kB / 0.8994 GB, free: 66.04 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007086/1.713, allocations: 132 kB / 0.8995 GB, free: 65.91 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005676/1.714, allocations: 297.3 kB / 0.8998 GB, free: 65.62 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0124/1.726, allocations: 5.019 MB / 0.9047 GB, free: 60.59 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03512/1.762, allocations: 18.46 MB / 0.9227 GB, free: 41.6 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007461/1.769, allocations: 4.967 MB / 0.9276 GB, free: 36.29 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004533/1.774, allocations: 2.314 MB / 0.9298 GB, free: 33.96 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003394/1.774, allocations: 147 kB / 0.93 GB, free: 33.8 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.952e-05/1.774, allocations: 56.56 kB / 0.93 GB, free: 33.73 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 6.173e-06/1.774, allocations: 0 / 0.93 GB, free: 33.73 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.1381/1.912, allocations: 30.99 MB / 0.9603 GB, free: 2.73 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.485e-05/1.912, allocations: 247.9 kB / 0.9605 GB, free: 2.438 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001994/1.914, allocations: 1.149 MB / 0.9617 GB, free: 1.273 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006519/1.915, allocations: 73.7 kB / 0.9617 GB, free: 1.195 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007456/1.916, allocations: 1.246 MB / 0.9629 GB, free: 15.93 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00163/1.917, allocations: 1.04 MB / 0.964 GB, free: 14.88 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004362/1.918, allocations: 64 kB / 0.964 GB, free: 14.81 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003788/1.918, allocations: 440.7 kB / 0.9644 GB, free: 14.38 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005347/1.924, allocations: 2.24 MB / 0.9666 GB, free: 12.13 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006058/1.93, allocations: 2.93 MB / 0.9695 GB, free: 8.93 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006007/1.936, allocations: 2.65 MB / 0.9721 GB, free: 6.258 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.751e-05/1.936, allocations: 4 kB / 0.9721 GB, free: 6.254 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02325/1.959, allocations: 8.412 MB / 0.9803 GB, free: 13.79 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003829/1.963, allocations: 7.328 MB / 0.9874 GB, free: 5.883 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.411e-05/1.963, allocations: 23.94 kB / 0.9875 GB, free: 5.859 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03343/1.997, allocations: 6.719 MB / 0.994 GB, free: 15.12 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00479/2.001, allocations: 0.8228 MB / 0.9948 GB, free: 14.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03596/2.037, allocations: 16.66 MB / 1.011 GB, free: 13.48 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004789/2.042, allocations: 0.5068 MB / 1.012 GB, free: 12.97 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008736/2.043, allocations: 179.9 kB / 1.012 GB, free: 12.79 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.461e-05/2.043, allocations: 4 kB / 1.012 GB, free: 12.79 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 0.006807/2.05, allocations: 2.707 MB / 1.014 GB, free: 10.05 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated