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.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 4.095/4.095, allocations: 432.7 MB / 445.3 MB, free: 15.76 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.728e-05/2.762e-05, allocations: 4.391 kB / 0.5383 GB, free: 10.27 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1805/0.1805, allocations: 98.73 MB / 0.6348 GB, free: 1.906 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7286/0.9092, allocations: 186 MB / 0.8164 GB, free: 53.95 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003287/0.9095, allocations: 117.6 kB / 0.8165 GB, free: 53.95 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4736/1.383, allocations: 134.5 MB / 0.9478 GB, free: 4.578 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 2.308e-06/1.383, allocations: 3.938 kB / 0.9478 GB, free: 4.574 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0002367/1.383, allocations: 75.94 kB / 0.9479 GB, free: 4.5 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01039/1.394, allocations: 2.925 MB / 0.9507 GB, free: 1.52 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.339e-05/1.394, allocations: 12.03 kB / 0.9508 GB, free: 1.508 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01563/1.41, allocations: 2.118 MB / 0.9528 GB, free: 15.38 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006397/1.416, allocations: 2.181 MB / 0.9549 GB, free: 13.16 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003472/1.416, allocations: 267 kB / 0.9552 GB, free: 12.89 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001656/1.418, allocations: 344 kB / 0.9555 GB, free: 12.56 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01865/1.437, allocations: 5.943 MB / 0.9613 GB, free: 6.52 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000139/1.437, allocations: 7.938 kB / 0.9613 GB, free: 6.512 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001428/1.438, allocations: 147.9 kB / 0.9615 GB, free: 6.367 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006948/1.439, allocations: 302 kB / 0.9618 GB, free: 6.07 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01553/1.455, allocations: 5.379 MB / 0.967 GB, free: 0.6797 MB / 0.698 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05044/1.505, allocations: 26.66 MB / 0.9931 GB, free: 3.84 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008828/1.514, allocations: 4.498 MB / 0.9975 GB, free: 15.03 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00474/1.519, allocations: 2.048 MB / 0.9995 GB, free: 12.96 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003425/1.519, allocations: 135 kB / 0.9996 GB, free: 12.82 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.192e-05/1.519, allocations: 60.55 kB / 0.9996 GB, free: 12.75 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 8.514e-06/1.519, allocations: 0 / 0.9996 GB, free: 12.75 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1243/1.644, allocations: 25.9 MB / 1.025 GB, free: 2.801 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001733/1.644, allocations: 243.6 kB / 1.025 GB, free: 2.512 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002829/1.647, allocations: 1.266 MB / 1.026 GB, free: 1.234 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005986/1.647, allocations: 69.7 kB / 1.026 GB, free: 1.16 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001507/1.649, allocations: 1.482 MB / 1.028 GB, free: 15.65 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001542/1.65, allocations: 0.9396 MB / 1.029 GB, free: 14.7 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005154/1.651, allocations: 64 kB / 1.029 GB, free: 14.64 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0004086/1.651, allocations: 440.8 kB / 1.029 GB, free: 14.2 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005152/1.656, allocations: 2.119 MB / 1.031 GB, free: 12.08 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006349/1.663, allocations: 3.025 MB / 1.034 GB, free: 8.672 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006177/1.669, allocations: 2.59 MB / 1.037 GB, free: 6.059 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.704e-05/1.669, allocations: 8 kB / 1.037 GB, free: 6.051 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02384/1.693, allocations: 8.116 MB / 1.045 GB, free: 13.88 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005819/1.699, allocations: 10.63 MB / 1.055 GB, free: 2.41 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.89e-05/1.699, allocations: 28 kB / 1.055 GB, free: 2.383 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03332/1.732, allocations: 6.533 MB / 1.062 GB, free: 11.83 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00505/1.737, allocations: 0.8735 MB / 1.062 GB, free: 10.96 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0329/1.77, allocations: 14.65 MB / 1.077 GB, free: 12.14 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005253/1.776, allocations: 0.5301 MB / 1.077 GB, free: 11.61 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001021/1.777, allocations: 191.9 kB / 1.077 GB, free: 11.42 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.721e-05/1.777, allocations: 8.375 kB / 1.077 GB, free: 11.41 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 0.007041/1.784, allocations: 2.644 MB / 1.08 GB, free: 8.75 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated