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.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadModel(Buildings): time 3.779/3.779, allocations: 432.7 MB / 445.3 MB, free: 15.76 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.989e-05/3.007e-05, allocations: 8.25 kB / 0.5383 GB, free: 10.33 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1986/0.1987, allocations: 98.73 MB / 0.6348 GB, free: 1.891 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7928/0.9915, allocations: 186.1 MB / 0.8165 GB, free: 53.96 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003428/0.9919, allocations: 119 kB / 0.8166 GB, free: 53.96 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.473/1.465, allocations: 134.3 MB / 0.9478 GB, free: 4.617 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 1.952e-06/1.465, allocations: 0 / 0.9478 GB, free: 4.617 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0001536/1.465, allocations: 72 kB / 0.9478 GB, free: 4.547 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 0.007992/1.473, allocations: 2.929 MB / 0.9507 GB, free: 1.562 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.48e-05/1.473, allocations: 15.97 kB / 0.9507 GB, free: 1.547 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01551/1.489, allocations: 2.122 MB / 0.9528 GB, free: 15.42 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006397/1.495, allocations: 2.174 MB / 0.9549 GB, free: 13.2 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003063/1.496, allocations: 259.1 kB / 0.9552 GB, free: 12.95 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001355/1.497, allocations: 348 kB / 0.9555 GB, free: 12.61 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01622/1.513, allocations: 5.953 MB / 0.9613 GB, free: 6.555 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.452e-05/1.513, allocations: 3.938 kB / 0.9613 GB, free: 6.551 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006788/1.514, allocations: 147.9 kB / 0.9614 GB, free: 6.406 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006633/1.515, allocations: 302 kB / 0.9617 GB, free: 6.109 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01448/1.529, allocations: 5.379 MB / 0.967 GB, free: 0.7188 MB / 0.698 GB
Warning: The model contains alias variables with conflicting start and/or nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05108/1.58, allocations: 26.66 MB / 0.993 GB, free: 3.883 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01081/1.591, allocations: 4.509 MB / 0.9974 GB, free: 15.07 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004874/1.596, allocations: 2.04 MB / 0.9994 GB, free: 13.01 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003206/1.596, allocations: 139 kB / 0.9995 GB, free: 12.86 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.299e-05/1.597, allocations: 64.48 kB / 0.9996 GB, free: 12.78 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 6.348e-06/1.597, allocations: 0 / 0.9996 GB, free: 12.78 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.163/1.76, allocations: 25.9 MB / 1.025 GB, free: 2.832 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002188/1.76, allocations: 235.6 kB / 1.025 GB, free: 2.551 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004412/1.764, allocations: 1.266 MB / 1.026 GB, free: 1.273 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008021/1.765, allocations: 69.7 kB / 1.026 GB, free: 1.199 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002072/1.767, allocations: 1.478 MB / 1.028 GB, free: 15.7 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002104/1.769, allocations: 0.9396 MB / 1.029 GB, free: 14.75 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006174/1.77, allocations: 64 kB / 1.029 GB, free: 14.68 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0005063/1.77, allocations: 452.8 kB / 1.029 GB, free: 14.23 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008677/1.779, allocations: 2.119 MB / 1.031 GB, free: 12.11 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009746/1.789, allocations: 3.021 MB / 1.034 GB, free: 8.707 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008279/1.797, allocations: 2.582 MB / 1.037 GB, free: 6.102 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.301e-05/1.797, allocations: 8 kB / 1.037 GB, free: 6.094 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.0261/1.824, allocations: 8.124 MB / 1.045 GB, free: 13.91 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005604/1.829, allocations: 10.62 MB / 1.055 GB, free: 2.445 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.402e-05/1.829, allocations: 28 kB / 1.055 GB, free: 2.418 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03287/1.862, allocations: 6.529 MB / 1.062 GB, free: 11.88 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004918/1.867, allocations: 0.8696 MB / 1.062 GB, free: 11 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03211/1.899, allocations: 14.63 MB / 1.077 GB, free: 12.21 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004913/1.904, allocations: 0.5339 MB / 1.077 GB, free: 11.68 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007085/1.905, allocations: 191.9 kB / 1.077 GB, free: 11.49 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.6e-05/1.905, allocations: 6.969 kB / 1.077 GB, free: 11.48 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 0.00684/1.912, allocations: 2.648 MB / 1.08 GB, free: 8.809 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated