Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo)
Using package Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo)
Using package Modelica with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo)
Using package Buildings with version 6.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 4.124/4.124, allocations: 432.7 MB / 445.3 MB, free: 15.66 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.108e-05/3.129e-05, allocations: 4.578 kB / 0.5383 GB, free: 10.32 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1783/0.1783, allocations: 98.73 MB / 0.6348 GB, free: 1.879 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8316/1.01, allocations: 186.6 MB / 0.817 GB, free: 53.66 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003576/1.01, allocations: 115.1 kB / 0.8171 GB, free: 53.66 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4874/1.498, allocations: 134.9 MB / 0.9489 GB, free: 3.484 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 6.166e-06/1.498, allocations: 0 / 0.9489 GB, free: 3.484 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001964/1.498, allocations: 79.92 kB / 0.9489 GB, free: 3.406 MB / 0.6823 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01144/1.51, allocations: 2.957 MB / 0.9518 GB, free: 404 kB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.918e-05/1.51, allocations: 8.031 kB / 0.9518 GB, free: 396 kB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0162/1.526, allocations: 2.129 MB / 0.9539 GB, free: 14.25 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006741/1.533, allocations: 2.189 MB / 0.956 GB, free: 12.01 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003848/1.533, allocations: 275.1 kB / 0.9563 GB, free: 11.74 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001847/1.535, allocations: 348 kB / 0.9566 GB, free: 11.4 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01992/1.555, allocations: 5.974 MB / 0.9625 GB, free: 5.332 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000145/1.555, allocations: 7.922 kB / 0.9625 GB, free: 5.324 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001615/1.557, allocations: 155.7 kB / 0.9626 GB, free: 5.176 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008191/1.558, allocations: 298.1 kB / 0.9629 GB, free: 4.883 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01615/1.574, allocations: 5.399 MB / 0.9682 GB, free: 15.47 MB / 0.7136 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05161/1.625, allocations: 26.72 MB / 0.9943 GB, free: 2.582 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008885/1.634, allocations: 4.506 MB / 0.9987 GB, free: 13.76 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004886/1.639, allocations: 2.048 MB / 1.001 GB, free: 11.7 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003638/1.64, allocations: 139 kB / 1.001 GB, free: 11.54 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.278e-05/1.64, allocations: 60.5 kB / 1.001 GB, free: 11.47 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 6.72e-06/1.64, allocations: 0 / 1.001 GB, free: 11.47 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1255/1.765, allocations: 25.94 MB / 1.026 GB, free: 1.484 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001634/1.765, allocations: 235.6 kB / 1.026 GB, free: 1.203 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002764/1.768, allocations: 1.308 MB / 1.028 GB, free: 15.89 MB / 0.7761 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005895/1.769, allocations: 69.7 kB / 1.028 GB, free: 15.81 MB / 0.7761 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001453/1.77, allocations: 1.505 MB / 1.029 GB, free: 14.29 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001515/1.772, allocations: 0.9397 MB / 1.03 GB, free: 13.33 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004261/1.772, allocations: 64 kB / 1.03 GB, free: 13.27 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.000374/1.773, allocations: 448.8 kB / 1.031 GB, free: 12.82 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005043/1.778, allocations: 2.115 MB / 1.033 GB, free: 10.71 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006315/1.784, allocations: 3.021 MB / 1.036 GB, free: 7.301 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006138/1.79, allocations: 2.582 MB / 1.038 GB, free: 4.695 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.591e-05/1.79, allocations: 8 kB / 1.038 GB, free: 4.688 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02428/1.815, allocations: 8.124 MB / 1.046 GB, free: 12.5 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006037/1.821, allocations: 10.62 MB / 1.056 GB, free: 1.039 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001021/1.821, allocations: 31.94 kB / 1.057 GB, free: 1.008 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03417/1.855, allocations: 6.529 MB / 1.063 GB, free: 10.46 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005219/1.86, allocations: 0.8696 MB / 1.064 GB, free: 9.594 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0338/1.894, allocations: 14.68 MB / 1.078 GB, free: 10.75 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005188/1.899, allocations: 0.5339 MB / 1.079 GB, free: 10.22 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000932/1.9, allocations: 191.9 kB / 1.079 GB, free: 10.03 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.595e-05/1.9, allocations: 4 kB / 1.079 GB, free: 10.03 MB / 0.823 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 0.006861/1.907, allocations: 2.652 MB / 1.081 GB, free: 7.348 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated