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.DD.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.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadModel(Buildings): time 3.864/3.864, allocations: 432.7 MB / 445.3 MB, free: 15.68 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.681e-05/4.695e-05, allocations: 3.438 kB / 0.5383 GB, free: 10.25 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1828/0.1829, allocations: 98.72 MB / 0.6348 GB, free: 1.887 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7566/0.9396, allocations: 185.6 MB / 0.816 GB, free: 54.07 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003129/0.9399, allocations: 118.5 kB / 0.8161 GB, free: 54.07 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4261/1.366, allocations: 124 MB / 0.9373 GB, free: 15.54 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 2.173e-06/1.366, allocations: 0 / 0.9373 GB, free: 15.54 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001898/1.366, allocations: 67.94 kB / 0.9373 GB, free: 15.47 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.01007/1.376, allocations: 2.699 MB / 0.94 GB, free: 12.71 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.567e-05/1.376, allocations: 8.031 kB / 0.94 GB, free: 12.71 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01641/1.393, allocations: 2.083 MB / 0.942 GB, free: 10.62 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00609/1.399, allocations: 2.005 MB / 0.944 GB, free: 8.566 MB / 0.6823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003188/1.399, allocations: 238.1 kB / 0.9442 GB, free: 8.336 MB / 0.6823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001487/1.401, allocations: 307.9 kB / 0.9445 GB, free: 8.035 MB / 0.6823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01605/1.417, allocations: 5.35 MB / 0.9497 GB, free: 2.574 MB / 0.6823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.071e-05/1.417, allocations: 0 / 0.9497 GB, free: 2.574 MB / 0.6823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007667/1.418, allocations: 128 kB / 0.9498 GB, free: 2.449 MB / 0.6823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006824/1.419, allocations: 301.3 kB / 0.9501 GB, free: 2.152 MB / 0.6823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01446/1.433, allocations: 5.023 MB / 0.955 GB, free: 13.12 MB / 0.698 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04957/1.483, allocations: 24.84 MB / 0.9793 GB, free: 2.223 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0112/1.494, allocations: 4.978 MB / 0.9841 GB, free: 12.88 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005441/1.499, allocations: 2.31 MB / 0.9864 GB, free: 10.56 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003615/1.5, allocations: 139 kB / 0.9865 GB, free: 10.41 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.751e-05/1.5, allocations: 64.52 kB / 0.9866 GB, free: 10.34 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=230): time 6.399e-06/1.5, allocations: 0 / 0.9866 GB, free: 10.34 MB / 0.7292 GB
Notification: Performance of matching and sorting (n=311): time 0.2018/1.702, allocations: 30.99 MB / 1.017 GB, free: 11.33 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001744/1.702, allocations: 247.8 kB / 1.017 GB, free: 11.04 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002402/1.704, allocations: 1.149 MB / 1.018 GB, free: 9.875 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006525/1.705, allocations: 81.7 kB / 1.018 GB, free: 9.789 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001162/1.706, allocations: 1.25 MB / 1.02 GB, free: 8.52 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001511/1.708, allocations: 1.047 MB / 1.021 GB, free: 7.457 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003871/1.708, allocations: 64 kB / 1.021 GB, free: 7.395 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.000347/1.708, allocations: 440.7 kB / 1.021 GB, free: 6.957 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005209/1.714, allocations: 2.236 MB / 1.023 GB, free: 4.719 MB / 0.7605 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006329/1.72, allocations: 2.922 MB / 1.026 GB, free: 1.531 MB / 0.7605 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006217/1.726, allocations: 2.656 MB / 1.029 GB, free: 14.86 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.744e-05/1.726, allocations: 12 kB / 1.029 GB, free: 14.84 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02414/1.751, allocations: 8.416 MB / 1.037 GB, free: 6.375 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00397/1.755, allocations: 7.323 MB / 1.044 GB, free: 14.47 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.906e-05/1.755, allocations: 24 kB / 1.044 GB, free: 14.45 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03588/1.79, allocations: 6.754 MB / 1.051 GB, free: 7.676 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004918/1.795, allocations: 0.8189 MB / 1.051 GB, free: 6.855 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0366/1.832, allocations: 16.66 MB / 1.068 GB, free: 6.023 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004871/1.837, allocations: 0.5029 MB / 1.068 GB, free: 5.52 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000644/1.838, allocations: 183.9 kB / 1.068 GB, free: 5.34 MB / 0.8073 GB
Notification: Performance of prepare postOptimizeDAE: time 1.345e-05/1.838, allocations: 4 kB / 1.068 GB, free: 5.336 MB / 0.8073 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 0.006874/1.845, allocations: 2.711 MB / 1.071 GB, free: 2.602 MB / 0.8073 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated