Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
Using package Buildings with version 6.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo)
Using package Modelica with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo)
Using package Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo)
Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004125/0.00413, allocations: 222 kB / 15.82 MB, free: 6.301 MB / 13.93 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.001117/0.001117, allocations: 177.6 kB / 16.71 MB, free: 5.453 MB / 13.93 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo): time 3.649/3.649, allocations: 389.1 MB / 406.5 MB, free: 6.684 MB / 202.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo): time 4.458/4.458, allocations: 472.3 MB / 0.9024 GB, free: 10.78 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004836/0.0004838, allocations: 8 kB / 1.008 GB, free: 6.695 MB / 0.6511 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2053/0.2058, allocations: 98.7 MB / 1.105 GB, free: 3.832 MB / 0.7448 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8353/1.041, allocations: 186.8 MB / 1.287 GB, free: 142.6 MB / 0.7917 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000378/1.042, allocations: 122.4 kB / 1.287 GB, free: 142.5 MB / 0.7917 GB
Notification: Performance of FrontEnd - DAE generated: time 0.4886/1.53, allocations: 138.7 MB / 1.423 GB, free: 15.92 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.896e-06/1.53, allocations: 4 kB / 1.423 GB, free: 15.91 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0001756/1.53, allocations: 72 kB / 1.423 GB, free: 15.84 MB / 0.7917 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 0.01232/1.543, allocations: 3.124 MB / 1.426 GB, free: 12.66 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 4.403e-05/1.543, allocations: 11.62 kB / 1.426 GB, free: 12.65 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02262/1.565, allocations: 2.226 MB / 1.428 GB, free: 10.42 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007449/1.573, allocations: 2.197 MB / 1.43 GB, free: 8.18 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003314/1.573, allocations: 267.1 kB / 1.43 GB, free: 7.918 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0019/1.575, allocations: 352 kB / 1.431 GB, free: 7.574 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0244/1.6, allocations: 6.566 MB / 1.437 GB, free: 0.9102 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000162/1.6, allocations: 0 / 1.437 GB, free: 0.9102 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001636/1.602, allocations: 151.9 kB / 1.437 GB, free: 0.7617 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007839/1.602, allocations: 310 kB / 1.438 GB, free: 468 kB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02828/1.631, allocations: 6.443 MB / 1.444 GB, free: 10 MB / 0.8073 GB
Warning: The model contains alias variables with redundant start and/or conflicting 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 0.6346/2.265, allocations: 26.79 MB / 1.47 GB, free: 194 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01369/2.279, allocations: 4.991 MB / 1.475 GB, free: 192.4 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.009592/2.289, allocations: 2.536 MB / 1.477 GB, free: 192.3 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003683/2.289, allocations: 130 kB / 1.478 GB, free: 192.2 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.842e-05/2.289, allocations: 65.62 kB / 1.478 GB, free: 192.2 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=208): time 5.861e-06/2.289, allocations: 0 / 1.478 GB, free: 192.2 MB / 0.823 GB
Notification: Performance of matching and sorting (n=277): time 0.1928/2.482, allocations: 30.67 MB / 1.508 GB, free: 189.4 MB / 0.823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001005/2.482, allocations: 235.3 kB / 1.508 GB, free: 189.2 MB / 0.823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002794/2.485, allocations: 1.464 MB / 1.509 GB, free: 189 MB / 0.823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006585/2.486, allocations: 73.61 kB / 1.509 GB, free: 189 MB / 0.823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009673/2.487, allocations: 1.509 MB / 1.511 GB, free: 188.4 MB / 0.823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001273/2.488, allocations: 0.9326 MB / 1.512 GB, free: 187.8 MB / 0.823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004173/2.488, allocations: 61.88 kB / 1.512 GB, free: 187.8 MB / 0.823 GB
Notification: Performance of setup shared object (initialization): time 0.0002137/2.489, allocations: 449.1 kB / 1.512 GB, free: 187.5 MB / 0.823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.009912/2.499, allocations: 2.603 MB / 1.515 GB, free: 187.4 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01098/2.51, allocations: 3.522 MB / 1.518 GB, free: 186.4 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01075/2.52, allocations: 3.054 MB / 1.521 GB, free: 186.3 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.643e-05/2.52, allocations: 7.094 kB / 1.521 GB, free: 186.3 MB / 0.823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04044/2.561, allocations: 9.507 MB / 1.53 GB, free: 186 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005974/2.562, allocations: 0.8865 MB / 1.531 GB, free: 184.9 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.116e-05/2.562, allocations: 26.03 kB / 1.531 GB, free: 184.9 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04631/2.608, allocations: 6.743 MB / 1.538 GB, free: 184.8 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00721/2.615, allocations: 0.8797 MB / 1.539 GB, free: 184.8 MB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04086/2.656, allocations: 15.23 MB / 1.554 GB, free: 182.7 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007404/2.664, allocations: 0.5538 MB / 1.554 GB, free: 182.7 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009626/2.665, allocations: 175.4 kB / 1.554 GB, free: 182.7 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.078e-05/2.665, allocations: 3.375 kB / 1.554 GB, free: 182.7 MB / 0.823 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.01199/2.677, allocations: 3.124 MB / 1.557 GB, free: 182.3 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated