Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadModel(Buildings): time 4.138/4.138, allocations: 460.4 MB / 472.6 MB, free: 5.387 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.086e-05/3.089e-05, allocations: 7.984 kB / 0.5681 GB, free: 10.13 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1942/0.1942, allocations: 106.2 MB / 0.6719 GB, free: 15.73 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7744/0.9687, allocations: 192.5 MB / 0.8599 GB, free: 4.891 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000349/0.9691, allocations: 117.4 kB / 0.86 GB, free: 4.82 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5951/1.564, allocations: 124 MB / 0.9811 GB, free: 2.965 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 2.608e-06/1.564, allocations: 0 / 0.9811 GB, free: 2.965 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0001876/1.564, allocations: 64 kB / 0.9812 GB, free: 2.902 MB / 0.7605 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 0.009231/1.574, allocations: 2.693 MB / 0.9838 GB, free: 156 kB / 0.7605 GB
Notification: Performance of prepare preOptimizeDAE: time 4.794e-05/1.574, allocations: 12.03 kB / 0.9838 GB, free: 144 kB / 0.7605 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01603/1.59, allocations: 2.087 MB / 0.9859 GB, free: 14.04 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006779/1.597, allocations: 2.009 MB / 0.9878 GB, free: 11.99 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003138/1.597, allocations: 230.2 kB / 0.9881 GB, free: 11.76 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001368/1.598, allocations: 304 kB / 0.9883 GB, free: 11.46 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01517/1.614, allocations: 5.315 MB / 0.9935 GB, free: 6.043 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.607e-05/1.614, allocations: 11.92 kB / 0.9935 GB, free: 6.031 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006552/1.614, allocations: 131.8 kB / 0.9937 GB, free: 5.906 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006738/1.615, allocations: 281.4 kB / 0.9939 GB, free: 5.629 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01426/1.629, allocations: 4.981 MB / 0.9988 GB, free: 0.6406 MB / 0.7761 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05088/1.68, allocations: 24.84 MB / 1.023 GB, free: 5.734 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009395/1.69, allocations: 4.94 MB / 1.028 GB, free: 444 kB / 0.8073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005257/1.695, allocations: 2.31 MB / 1.03 GB, free: 14.11 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003816/1.695, allocations: 150.9 kB / 1.03 GB, free: 13.94 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.452e-05/1.695, allocations: 60.56 kB / 1.03 GB, free: 13.87 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 6.512e-06/1.695, allocations: 0 / 1.03 GB, free: 13.87 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.157/1.853, allocations: 30.99 MB / 1.061 GB, free: 14.88 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001793/1.853, allocations: 243.8 kB / 1.061 GB, free: 14.59 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002492/1.855, allocations: 1.153 MB / 1.062 GB, free: 13.43 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006797/1.856, allocations: 77.7 kB / 1.062 GB, free: 13.34 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001888/1.858, allocations: 1.246 MB / 1.063 GB, free: 12.08 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0018/1.86, allocations: 1.047 MB / 1.064 GB, free: 11.02 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000451/1.86, allocations: 64 kB / 1.064 GB, free: 10.95 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0004138/1.861, allocations: 440.7 kB / 1.065 GB, free: 10.52 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005565/1.866, allocations: 2.228 MB / 1.067 GB, free: 8.285 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006592/1.873, allocations: 2.916 MB / 1.07 GB, free: 5.102 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006525/1.879, allocations: 2.647 MB / 1.072 GB, free: 2.434 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.269e-05/1.879, allocations: 11.94 kB / 1.072 GB, free: 2.422 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02512/1.905, allocations: 8.365 MB / 1.081 GB, free: 10 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004247/1.909, allocations: 7.328 MB / 1.088 GB, free: 2.098 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.978e-05/1.909, allocations: 16 kB / 1.088 GB, free: 2.082 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5555/2.464, allocations: 6.748 MB / 1.094 GB, free: 242.5 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004843/2.469, allocations: 0.8289 MB / 1.095 GB, free: 242.5 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03593/2.505, allocations: 16.66 MB / 1.111 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005089/2.511, allocations: 0.5034 MB / 1.112 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009996/2.512, allocations: 187 kB / 1.112 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.537e-05/2.512, allocations: 3.312 kB / 1.112 GB, free: 240.7 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 0.007831/2.519, allocations: 2.675 MB / 1.115 GB, free: 240.6 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated