Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 4.373/4.373, allocations: 460.4 MB / 472.6 MB, free: 5.383 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.519e-05/3.534e-05, allocations: 4 kB / 0.5681 GB, free: 10.13 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1991/0.1991, allocations: 106.2 MB / 0.6719 GB, free: 15.73 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8241/1.023, allocations: 192.9 MB / 0.8602 GB, free: 4.539 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003419/1.024, allocations: 115.6 kB / 0.8603 GB, free: 4.469 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.512/1.536, allocations: 134.5 MB / 0.9917 GB, free: 8 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.416e-06/1.536, allocations: 0 / 0.9917 GB, free: 8 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0001961/1.536, allocations: 79.92 kB / 0.9917 GB, free: 7.922 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01115/1.547, allocations: 2.93 MB / 0.9946 GB, free: 4.938 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.433e-05/1.547, allocations: 8.031 kB / 0.9946 GB, free: 4.93 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01682/1.564, allocations: 2.118 MB / 0.9967 GB, free: 2.805 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006767/1.571, allocations: 2.174 MB / 0.9988 GB, free: 0.5859 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003848/1.571, allocations: 271 kB / 0.9991 GB, free: 328 kB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001911/1.573, allocations: 340 kB / 0.9994 GB, free: 15.98 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01947/1.593, allocations: 5.9 MB / 1.005 GB, free: 9.988 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001207/1.593, allocations: 15.78 kB / 1.005 GB, free: 9.973 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001222/1.594, allocations: 151.9 kB / 1.005 GB, free: 9.824 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007071/1.595, allocations: 302 kB / 1.006 GB, free: 9.527 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01557/1.61, allocations: 5.325 MB / 1.011 GB, free: 4.199 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05322/1.664, allocations: 26.66 MB / 1.037 GB, free: 7.352 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009112/1.673, allocations: 4.48 MB / 1.041 GB, free: 2.555 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004937/1.678, allocations: 2.04 MB / 1.043 GB, free: 0.5 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003667/1.678, allocations: 131 kB / 1.043 GB, free: 360 kB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.716e-05/1.678, allocations: 68.48 kB / 1.043 GB, free: 284 kB / 0.823 GB
Notification: Performance of pre-optimization done (n=208): time 6.722e-06/1.678, allocations: 4 kB / 1.043 GB, free: 280 kB / 0.823 GB
Notification: Performance of matching and sorting (n=277): time 0.1314/1.81, allocations: 25.87 MB / 1.069 GB, free: 6.352 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001629/1.81, allocations: 231.6 kB / 1.069 GB, free: 6.074 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002793/1.813, allocations: 1.266 MB / 1.07 GB, free: 4.797 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006246/1.813, allocations: 73.7 kB / 1.07 GB, free: 4.719 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001516/1.815, allocations: 1.482 MB / 1.072 GB, free: 3.215 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001593/1.817, allocations: 0.9435 MB / 1.073 GB, free: 2.258 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000489/1.817, allocations: 64 kB / 1.073 GB, free: 2.195 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003815/1.817, allocations: 440.8 kB / 1.073 GB, free: 1.758 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005242/1.823, allocations: 2.119 MB / 1.075 GB, free: 15.64 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006475/1.829, allocations: 3.007 MB / 1.078 GB, free: 12.25 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006315/1.836, allocations: 2.573 MB / 1.081 GB, free: 9.648 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.01e-05/1.836, allocations: 11.94 kB / 1.081 GB, free: 9.637 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02467/1.86, allocations: 8.057 MB / 1.088 GB, free: 1.52 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.507/2.367, allocations: 10.62 MB / 1.099 GB, free: 226.7 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.311e-05/2.368, allocations: 31.44 kB / 1.099 GB, free: 226.7 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03549/2.403, allocations: 6.536 MB / 1.105 GB, free: 226.6 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005439/2.408, allocations: 0.8748 MB / 1.106 GB, free: 226.6 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03192/2.44, allocations: 14.65 MB / 1.12 GB, free: 224.8 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005194/2.446, allocations: 0.5308 MB / 1.121 GB, free: 224.8 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009992/2.447, allocations: 191.9 kB / 1.121 GB, free: 224.8 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.662e-05/2.447, allocations: 7.953 kB / 1.121 GB, free: 224.8 MB / 0.8698 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 0.006451/2.453, allocations: 2.604 MB / 1.124 GB, free: 224.7 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated