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.UnbalancedStepUp.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.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004293/0.004292, 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 0.001182/0.001182, allocations: 175.8 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 3.97/3.97, 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 3.904/3.904, allocations: 472.3 MB / 0.9024 GB, free: 9.219 MB / 0.5886 GB Notification: Performance of FrontEnd - loaded program: time 0.0004726/0.0004728, allocations: 12.22 kB / 1.008 GB, free: 138.1 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1713/0.1718, allocations: 98.72 MB / 1.105 GB, free: 42 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.861/1.033, allocations: 185.7 MB / 1.286 GB, free: 4.309 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004341/1.033, allocations: 121.8 kB / 1.286 GB, free: 4.234 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.5136/1.547, allocations: 124.2 MB / 1.407 GB, free: 2.484 MB / 0.7605 GB Notification: Performance of FrontEnd: time 2.915e-06/1.547, allocations: 0 / 1.407 GB, free: 2.484 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 0.0002158/1.547, allocations: 71.92 kB / 1.408 GB, free: 2.414 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: 874 * Number of variables: 874 Notification: Performance of Generate backend data structure: time 0.01357/1.561, allocations: 2.851 MB / 1.41 GB, free: 15.52 MB / 0.7761 GB Notification: Performance of prepare preOptimizeDAE: time 5.009e-05/1.561, allocations: 8.031 kB / 1.41 GB, free: 15.51 MB / 0.7761 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02247/1.583, allocations: 2.102 MB / 1.412 GB, free: 13.42 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007674/1.591, allocations: 2.011 MB / 1.414 GB, free: 11.37 MB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003941/1.592, allocations: 234.2 kB / 1.415 GB, free: 11.14 MB / 0.7761 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001977/1.594, allocations: 300.7 kB / 1.415 GB, free: 10.84 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02516/1.619, allocations: 5.897 MB / 1.421 GB, free: 4.848 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001449/1.619, allocations: 8.438 kB / 1.421 GB, free: 4.84 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001482/1.62, allocations: 129 kB / 1.421 GB, free: 4.715 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009516/1.621, allocations: 293.3 kB / 1.421 GB, free: 4.426 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02715/1.649, allocations: 6.033 MB / 1.427 GB, free: 14.39 MB / 0.7917 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05581/1.704, allocations: 24.85 MB / 1.451 GB, free: 3.562 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01603/1.721, allocations: 5.468 MB / 1.457 GB, free: 13.76 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0114/1.732, allocations: 2.795 MB / 1.459 GB, free: 10.97 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004605/1.732, allocations: 144 kB / 1.459 GB, free: 10.81 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.11e-05/1.733, allocations: 66.3 kB / 1.459 GB, free: 10.74 MB / 0.823 GB Notification: Performance of pre-optimization done (n=230): time 5.089e-06/1.733, allocations: 0.6875 kB / 1.459 GB, free: 10.74 MB / 0.823 GB Notification: Performance of matching and sorting (n=305): time 0.8311/2.564, allocations: 36.13 MB / 1.495 GB, free: 206.9 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.751e-05/2.564, allocations: 238.4 kB / 1.495 GB, free: 206.6 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002529/2.566, allocations: 1.3 MB / 1.496 GB, free: 206.5 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 0.0008323/2.567, allocations: 71.77 kB / 1.496 GB, free: 206.4 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008684/2.568, allocations: 1.251 MB / 1.498 GB, free: 205.9 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.00163/2.57, allocations: 1.023 MB / 1.499 GB, free: 205.3 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004829/2.57, allocations: 66.25 kB / 1.499 GB, free: 205.3 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 0.0002408/2.571, allocations: 438.8 kB / 1.499 GB, free: 205 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01089/2.581, allocations: 2.766 MB / 1.502 GB, free: 205 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01173/2.593, allocations: 3.465 MB / 1.505 GB, free: 204.3 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01222/2.605, allocations: 3.166 MB / 1.508 GB, free: 204.2 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.217e-05/2.606, allocations: 10.17 kB / 1.508 GB, free: 204.2 MB / 0.823 GB Notification: Performance of matching and sorting (n=406) (initialization): time 0.04523/2.651, allocations: 9.961 MB / 1.518 GB, free: 204 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004523/2.651, allocations: 0.6445 MB / 1.519 GB, free: 203.2 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.38e-05/2.651, allocations: 19.34 kB / 1.519 GB, free: 203.2 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05787/2.709, allocations: 7.875 MB / 1.526 GB, free: 203.2 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007088/2.716, allocations: 0.8369 MB / 1.527 GB, free: 203.2 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04368/2.76, allocations: 17.14 MB / 1.544 GB, free: 198.3 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007352/2.768, allocations: 0.5249 MB / 1.544 GB, free: 198.3 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009865/2.769, allocations: 177.4 kB / 1.545 GB, free: 198.2 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.21e-05/2.769, allocations: 3.688 kB / 1.545 GB, free: 198.2 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 0.01194/2.781, allocations: 3.178 MB / 1.548 GB, free: 197.1 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated