Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadModel(Buildings): time 4.15/4.15, allocations: 464.6 MB / 476.8 MB, free: 2.117 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.155e-05/3.16e-05, allocations: 4 kB / 0.5731 GB, free: 5.691 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1916/0.1916, allocations: 107.2 MB / 0.6778 GB, free: 10.35 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.79/0.9817, allocations: 192.9 MB / 0.8662 GB, free: 11.2 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003674/0.9821, allocations: 115.2 kB / 0.8663 GB, free: 11.12 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5422/1.524, allocations: 124 MB / 0.9874 GB, free: 9.18 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.874e-06/1.524, allocations: 0 / 0.9874 GB, free: 9.18 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0001646/1.525, allocations: 67.98 kB / 0.9875 GB, free: 9.113 MB / 0.7761 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 0.009054/1.534, allocations: 2.693 MB / 0.9901 GB, free: 6.363 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.258e-05/1.534, allocations: 11.97 kB / 0.9901 GB, free: 6.352 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01547/1.549, allocations: 2.091 MB / 0.9922 GB, free: 4.254 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005929/1.555, allocations: 2.005 MB / 0.9941 GB, free: 2.203 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003065/1.556, allocations: 238.2 kB / 0.9944 GB, free: 1.969 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001359/1.557, allocations: 303.9 kB / 0.9946 GB, free: 1.672 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01431/1.571, allocations: 5.311 MB / 0.9998 GB, free: 12.25 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.246e-05/1.571, allocations: 7.938 kB / 0.9998 GB, free: 12.25 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006549/1.572, allocations: 128 kB / 1 GB, free: 12.12 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006673/1.573, allocations: 289.3 kB / 1 GB, free: 11.84 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01401/1.587, allocations: 4.973 MB / 1.005 GB, free: 6.855 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04637/1.633, allocations: 24.85 MB / 1.029 GB, free: 11.94 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009129/1.642, allocations: 4.94 MB / 1.034 GB, free: 6.645 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005257/1.648, allocations: 2.313 MB / 1.036 GB, free: 4.316 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003657/1.648, allocations: 135 kB / 1.037 GB, free: 4.164 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.652e-05/1.648, allocations: 68.5 kB / 1.037 GB, free: 4.09 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 6.225e-06/1.648, allocations: 0 / 1.037 GB, free: 4.09 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.148/1.796, allocations: 30.98 MB / 1.067 GB, free: 5.105 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001844/1.796, allocations: 247.9 kB / 1.067 GB, free: 4.812 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002367/1.799, allocations: 1.157 MB / 1.068 GB, free: 3.641 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005851/1.799, allocations: 73.7 kB / 1.068 GB, free: 3.562 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001162/1.801, allocations: 1.254 MB / 1.07 GB, free: 2.289 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001572/1.802, allocations: 1.036 MB / 1.071 GB, free: 1.238 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004343/1.803, allocations: 68 kB / 1.071 GB, free: 1.172 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003732/1.803, allocations: 440.7 kB / 1.071 GB, free: 0.7344 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004857/1.808, allocations: 2.236 MB / 1.073 GB, free: 14.5 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005886/1.814, allocations: 2.908 MB / 1.076 GB, free: 11.32 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005965/1.82, allocations: 2.656 MB / 1.079 GB, free: 8.645 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.368e-05/1.82, allocations: 4 kB / 1.079 GB, free: 8.641 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02326/1.843, allocations: 8.373 MB / 1.087 GB, free: 216 kB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004177/1.847, allocations: 7.326 MB / 1.094 GB, free: 8.305 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.597e-05/1.847, allocations: 20 kB / 1.094 GB, free: 8.285 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05721/1.905, allocations: 6.755 MB / 1.101 GB, free: 1.52 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00854/1.913, allocations: 0.8189 MB / 1.101 GB, free: 0.6992 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6202/2.533, allocations: 16.66 MB / 1.118 GB, free: 251.3 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004911/2.538, allocations: 0.5021 MB / 1.118 GB, free: 251.3 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001013/2.539, allocations: 184.2 kB / 1.118 GB, free: 251.3 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.591e-05/2.54, allocations: 5.062 kB / 1.118 GB, free: 251.3 MB / 0.8855 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 0.006866/2.546, allocations: 2.678 MB / 1.121 GB, free: 251.2 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated