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.BalancedStepUp.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.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 loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004228/0.004228, allocations: 231.2 kB / 15.82 MB, free: 6.293 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.00116/0.001159, allocations: 175.3 kB / 16.7 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 3.849/3.849, allocations: 389.1 MB / 406.5 MB, free: 11.83 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo): time 3.887/3.887, allocations: 472.3 MB / 0.9024 GB, free: 9.129 MB / 0.5886 GB Notification: Performance of FrontEnd - loaded program: time 0.0004848/0.000485, allocations: 12 kB / 1.008 GB, free: 138.2 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1711/0.1716, allocations: 98.72 MB / 1.105 GB, free: 42.02 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9081/1.08, allocations: 186.1 MB / 1.286 GB, free: 4.383 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0006589/1.081, allocations: 121.2 kB / 1.286 GB, free: 4.309 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.562/1.643, allocations: 134.7 MB / 1.418 GB, free: 7.758 MB / 0.7761 GB Notification: Performance of FrontEnd: time 2.524e-06/1.643, allocations: 3.938 kB / 1.418 GB, free: 7.754 MB / 0.7761 GB Notification: Performance of Transformations before backend: time 0.0002103/1.643, allocations: 72.84 kB / 1.418 GB, free: 7.684 MB / 0.7761 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 0.0139/1.657, allocations: 3.09 MB / 1.421 GB, free: 4.555 MB / 0.7761 GB Notification: Performance of prepare preOptimizeDAE: time 5.935e-05/1.657, allocations: 12.72 kB / 1.421 GB, free: 4.543 MB / 0.7761 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02278/1.68, allocations: 2.121 MB / 1.423 GB, free: 2.434 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007996/1.688, allocations: 2.179 MB / 1.425 GB, free: 216 kB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004161/1.688, allocations: 271.1 kB / 1.426 GB, free: 15.94 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001965/1.69, allocations: 344.9 kB / 1.426 GB, free: 15.61 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02607/1.716, allocations: 6.497 MB / 1.432 GB, free: 9.023 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001499/1.716, allocations: 0.9375 kB / 1.432 GB, free: 9.023 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001378/1.718, allocations: 155.9 kB / 1.432 GB, free: 8.871 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009572/1.719, allocations: 300.6 kB / 1.433 GB, free: 8.578 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03025/1.749, allocations: 6.396 MB / 1.439 GB, free: 2.176 MB / 0.7917 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.08873/1.838, allocations: 26.66 MB / 1.465 GB, free: 5.43 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01637/1.854, allocations: 5.002 MB / 1.47 GB, free: 156 kB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.584/2.438, allocations: 2.541 MB / 1.472 GB, free: 202.9 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004705/2.439, allocations: 131.9 kB / 1.473 GB, free: 202.8 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.266e-05/2.439, allocations: 61.03 kB / 1.473 GB, free: 202.7 MB / 0.823 GB Notification: Performance of pre-optimization done (n=208): time 5.59e-06/2.439, allocations: 0.8125 kB / 1.473 GB, free: 202.7 MB / 0.823 GB Notification: Performance of matching and sorting (n=277): time 0.2328/2.672, allocations: 30.94 MB / 1.503 GB, free: 200.1 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.593e-05/2.672, allocations: 240 kB / 1.503 GB, free: 199.8 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003077/2.675, allocations: 1.419 MB / 1.504 GB, free: 199.6 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 0.0007319/2.676, allocations: 69.61 kB / 1.504 GB, free: 199.6 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.001187/2.677, allocations: 1.486 MB / 1.506 GB, free: 199 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.001447/2.678, allocations: 0.9432 MB / 1.507 GB, free: 198.4 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004501/2.679, allocations: 64.69 kB / 1.507 GB, free: 198.4 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 0.0002188/2.679, allocations: 444.4 kB / 1.507 GB, free: 198.1 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01019/2.689, allocations: 2.61 MB / 1.51 GB, free: 198.1 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01144/2.701, allocations: 3.528 MB / 1.513 GB, free: 197.1 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01149/2.712, allocations: 3.075 MB / 1.516 GB, free: 197 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.359e-05/2.712, allocations: 7.75 kB / 1.516 GB, free: 197 MB / 0.823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04399/2.756, allocations: 9.554 MB / 1.526 GB, free: 196.8 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005733/2.757, allocations: 0.8792 MB / 1.527 GB, free: 195.7 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.467e-05/2.757, allocations: 31.53 kB / 1.527 GB, free: 195.7 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05461/2.812, allocations: 7.538 MB / 1.534 GB, free: 195.7 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007285/2.819, allocations: 0.8689 MB / 1.535 GB, free: 195.7 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04169/2.861, allocations: 15.3 MB / 1.55 GB, free: 191.9 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007664/2.869, allocations: 0.5524 MB / 1.55 GB, free: 191.8 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001029/2.87, allocations: 200.3 kB / 1.55 GB, free: 191.8 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.253e-05/2.87, allocations: 4.844 kB / 1.55 GB, free: 191.8 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.01214/2.882, allocations: 3.146 MB / 1.554 GB, free: 190.7 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated