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 3.602/3.602, allocations: 403.3 MB / 415.4 MB, free: 12.94 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.44e-05/4.455e-05, allocations: 15.88 kB / 0.4991 GB, free: 13.37 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5426/0.5427, allocations: 92.67 MB / 0.5896 GB, free: 14.45 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2605/0.8033, allocations: 181.5 MB / 0.7668 GB, free: 8.688 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003711/0.8037, allocations: 115.9 kB / 0.7669 GB, free: 8.574 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.8644/1.668, allocations: 123 MB / 0.887 GB, free: 78.81 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.567e-06/1.668, allocations: 0 / 0.887 GB, free: 78.81 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001405/1.668, allocations: 71.92 kB / 0.8871 GB, free: 78.74 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 0.007511/1.676, allocations: 2.689 MB / 0.8897 GB, free: 75.99 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.353e-05/1.676, allocations: 8.031 kB / 0.8897 GB, free: 75.98 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01474/1.691, allocations: 2.075 MB / 0.8917 GB, free: 73.9 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005142/1.696, allocations: 1.997 MB / 0.8937 GB, free: 71.86 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002286/1.696, allocations: 238.2 kB / 0.8939 GB, free: 71.62 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001324/1.697, allocations: 304 kB / 0.8942 GB, free: 71.33 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01335/1.711, allocations: 5.307 MB / 0.8994 GB, free: 65.91 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.331e-05/1.711, allocations: 3.953 kB / 0.8994 GB, free: 65.91 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008272/1.712, allocations: 132 kB / 0.8995 GB, free: 65.78 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005774/1.712, allocations: 297.3 kB / 0.8998 GB, free: 65.49 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01155/1.724, allocations: 4.965 MB / 0.9046 GB, free: 60.52 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03228/1.756, allocations: 18.47 MB / 0.9227 GB, free: 41.52 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.006786/1.763, allocations: 4.933 MB / 0.9275 GB, free: 36.24 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0041/1.767, allocations: 2.318 MB / 0.9298 GB, free: 33.91 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002956/1.768, allocations: 139 kB / 0.9299 GB, free: 33.76 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.039e-05/1.768, allocations: 72.48 kB / 0.93 GB, free: 33.68 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 6.435e-06/1.768, allocations: 0 / 0.93 GB, free: 33.68 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.137/1.905, allocations: 30.97 MB / 0.9602 GB, free: 2.695 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.312e-05/1.905, allocations: 247.8 kB / 0.9604 GB, free: 2.402 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001967/1.907, allocations: 1.153 MB / 0.9616 GB, free: 1.234 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005898/1.907, allocations: 73.7 kB / 0.9616 GB, free: 1.156 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007327/1.908, allocations: 1.243 MB / 0.9628 GB, free: 15.89 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001515/1.91, allocations: 1.047 MB / 0.9639 GB, free: 14.83 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003881/1.91, allocations: 64 kB / 0.9639 GB, free: 14.77 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003574/1.91, allocations: 440.7 kB / 0.9643 GB, free: 14.33 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004866/1.915, allocations: 2.232 MB / 0.9665 GB, free: 12.09 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005791/1.921, allocations: 2.912 MB / 0.9694 GB, free: 8.91 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005905/1.927, allocations: 2.643 MB / 0.972 GB, free: 6.246 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.523e-05/1.927, allocations: 8 kB / 0.972 GB, free: 6.238 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02422/1.951, allocations: 8.365 MB / 0.9801 GB, free: 13.82 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003989/1.955, allocations: 7.327 MB / 0.9873 GB, free: 5.918 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.786e-05/1.955, allocations: 16 kB / 0.9873 GB, free: 5.902 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03422/1.99, allocations: 6.723 MB / 0.9939 GB, free: 15.17 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005042/1.995, allocations: 0.8267 MB / 0.9947 GB, free: 14.34 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03633/2.031, allocations: 16.66 MB / 1.011 GB, free: 13.5 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004861/2.036, allocations: 0.503 MB / 1.011 GB, free: 13 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009217/2.037, allocations: 183.8 kB / 1.012 GB, free: 12.82 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.613e-05/2.037, allocations: 4 kB / 1.012 GB, free: 12.81 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 0.007124/2.044, allocations: 2.677 MB / 1.014 GB, free: 10.12 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated