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.DD.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.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.006214/0.006219, allocations: 233.5 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 0.001774/0.001774, allocations: 174 kB / 16.7 MB, free: 5.449 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 3.955/3.955, allocations: 389.1 MB / 406.5 MB, free: 11.84 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 3.931/3.931, allocations: 472.3 MB / 0.9024 GB, free: 9.219 MB / 0.5886 GB Notification: Performance of FrontEnd - loaded program: time 0.0004947/0.000495, allocations: 20.2 kB / 1.008 GB, free: 138.3 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1766/0.1771, allocations: 98.71 MB / 1.105 GB, free: 42.09 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.8387/1.016, allocations: 185 MB / 1.285 GB, free: 5.523 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004576/1.016, allocations: 126.8 kB / 1.285 GB, free: 5.449 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.4964/1.513, allocations: 123.6 MB / 1.406 GB, free: 4.117 MB / 0.7605 GB Notification: Performance of FrontEnd: time 3.527e-06/1.513, allocations: 2.781 kB / 1.406 GB, free: 4.117 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 0.0002154/1.513, allocations: 64 kB / 1.406 GB, free: 4.055 MB / 0.7605 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.01247/1.526, allocations: 2.826 MB / 1.409 GB, free: 1.184 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 4.856e-05/1.526, allocations: 12.03 kB / 1.409 GB, free: 1.172 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02279/1.548, allocations: 2.086 MB / 1.411 GB, free: 15.1 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007227/1.556, allocations: 2.004 MB / 1.413 GB, free: 13.05 MB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000325/1.556, allocations: 226.7 kB / 1.413 GB, free: 12.83 MB / 0.7761 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001767/1.558, allocations: 304 kB / 1.413 GB, free: 12.53 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02215/1.58, allocations: 5.865 MB / 1.419 GB, free: 6.566 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001038/1.58, allocations: 3.906 kB / 1.419 GB, free: 6.562 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006532/1.581, allocations: 132.4 kB / 1.419 GB, free: 6.434 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000833/1.582, allocations: 286 kB / 1.42 GB, free: 6.152 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02568/1.607, allocations: 6.023 MB / 1.425 GB, free: 128 kB / 0.7761 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05024/1.658, allocations: 24.75 MB / 1.45 GB, free: 5.387 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01561/1.673, allocations: 5.478 MB / 1.455 GB, free: 15.59 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0113/1.685, allocations: 2.809 MB / 1.458 GB, free: 12.79 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004827/1.685, allocations: 135 kB / 1.458 GB, free: 12.63 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.708e-05/1.685, allocations: 61.31 kB / 1.458 GB, free: 12.57 MB / 0.823 GB Notification: Performance of pre-optimization done (n=230): time 5.52e-06/1.685, allocations: 1.844 kB / 1.458 GB, free: 12.57 MB / 0.823 GB Notification: Performance of matching and sorting (n=305): time 0.8596/2.545, allocations: 36.08 MB / 1.493 GB, free: 208 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.728e-05/2.545, allocations: 239.8 kB / 1.493 GB, free: 207.8 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002383/2.548, allocations: 1.258 MB / 1.495 GB, free: 207.6 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 0.0007499/2.548, allocations: 74.14 kB / 1.495 GB, free: 207.6 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007832/2.549, allocations: 1.229 MB / 1.496 GB, free: 207.1 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.001405/2.55, allocations: 1.025 MB / 1.497 GB, free: 206.5 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004308/2.551, allocations: 63.69 kB / 1.497 GB, free: 206.5 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 0.0002122/2.551, allocations: 440.5 kB / 1.497 GB, free: 206.2 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01049/2.562, allocations: 2.765 MB / 1.5 GB, free: 206.2 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01226/2.574, allocations: 3.466 MB / 1.503 GB, free: 205.4 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01583/2.59, allocations: 3.168 MB / 1.507 GB, free: 205.4 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.798e-05/2.59, allocations: 10.48 kB / 1.507 GB, free: 205.4 MB / 0.823 GB Notification: Performance of matching and sorting (n=406) (initialization): time 0.06112/2.651, allocations: 9.957 MB / 1.516 GB, free: 205.1 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004397/2.652, allocations: 0.6398 MB / 1.517 GB, free: 204.4 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.296e-05/2.652, allocations: 18.44 kB / 1.517 GB, free: 204.4 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05904/2.711, allocations: 7.878 MB / 1.525 GB, free: 204.3 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00766/2.718, allocations: 0.8455 MB / 1.525 GB, free: 204.3 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04438/2.763, allocations: 17.12 MB / 1.542 GB, free: 199.2 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007426/2.77, allocations: 0.5307 MB / 1.543 GB, free: 199.1 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008488/2.771, allocations: 175.4 kB / 1.543 GB, free: 199.1 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.178e-05/2.771, allocations: 4.531 kB / 1.543 GB, free: 199.1 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 0.01178/2.783, allocations: 3.184 MB / 1.546 GB, free: 198 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated