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.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.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004187/0.00419, allocations: 232.5 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 0.001159/0.001159, allocations: 177.1 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 3.839/3.839, allocations: 389.1 MB / 406.5 MB, free: 11.74 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 4.226/4.226, allocations: 472.3 MB / 0.9024 GB, free: 9.184 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004887/0.000489, allocations: 12 kB / 1.008 GB, free: 138.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1825/0.1831, allocations: 98.73 MB / 1.105 GB, free: 42.05 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.868/1.051, allocations: 185.7 MB / 1.286 GB, free: 4.781 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004543/1.052, allocations: 125.2 kB / 1.286 GB, free: 4.707 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5109/1.562, allocations: 124.2 MB / 1.407 GB, free: 2.719 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 3.276e-06/1.563, allocations: 0 / 1.407 GB, free: 2.719 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0001987/1.563, allocations: 64.56 kB / 1.408 GB, free: 2.656 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 0.01312/1.576, allocations: 2.856 MB / 1.41 GB, free: 15.76 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.843e-05/1.576, allocations: 10.55 kB / 1.41 GB, free: 15.75 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02241/1.598, allocations: 2.098 MB / 1.412 GB, free: 13.66 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007479/1.606, allocations: 2.011 MB / 1.414 GB, free: 11.61 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003593/1.606, allocations: 230.2 kB / 1.415 GB, free: 11.38 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001769/1.608, allocations: 305 kB / 1.415 GB, free: 11.09 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02303/1.631, allocations: 5.895 MB / 1.421 GB, free: 5.094 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001059/1.631, allocations: 3.938 kB / 1.421 GB, free: 5.09 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007315/1.632, allocations: 131.9 kB / 1.421 GB, free: 4.961 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008734/1.633, allocations: 285.3 kB / 1.421 GB, free: 4.68 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02659/1.66, allocations: 6.028 MB / 1.427 GB, free: 14.64 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05245/1.712, allocations: 24.85 MB / 1.451 GB, free: 3.805 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01607/1.728, allocations: 5.457 MB / 1.457 GB, free: 14.02 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01165/1.74, allocations: 2.809 MB / 1.459 GB, free: 11.21 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005013/1.74, allocations: 136.8 kB / 1.459 GB, free: 11.06 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.601e-05/1.741, allocations: 70.27 kB / 1.459 GB, free: 10.99 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 5.771e-06/1.741, allocations: 4.531 kB / 1.459 GB, free: 10.98 MB / 0.823 GB
Notification: Performance of matching and sorting (n=305): time 0.8573/2.598, allocations: 36.12 MB / 1.495 GB, free: 207.3 MB / 0.823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001055/2.598, allocations: 243.2 kB / 1.495 GB, free: 207 MB / 0.823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002525/2.601, allocations: 1.296 MB / 1.496 GB, free: 206.8 MB / 0.823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008764/2.601, allocations: 74.05 kB / 1.496 GB, free: 206.8 MB / 0.823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009101/2.602, allocations: 1.256 MB / 1.498 GB, free: 206.3 MB / 0.823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001617/2.604, allocations: 1.02 MB / 1.499 GB, free: 205.7 MB / 0.823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004831/2.605, allocations: 67.09 kB / 1.499 GB, free: 205.7 MB / 0.823 GB
Notification: Performance of setup shared object (initialization): time 0.0002607/2.605, allocations: 436.9 kB / 1.499 GB, free: 205.4 MB / 0.823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01113/2.616, allocations: 2.772 MB / 1.502 GB, free: 205.4 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01225/2.628, allocations: 3.469 MB / 1.505 GB, free: 204.7 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01209/2.64, allocations: 3.161 MB / 1.508 GB, free: 204.6 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.725e-05/2.64, allocations: 13.02 kB / 1.508 GB, free: 204.6 MB / 0.823 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04632/2.687, allocations: 9.957 MB / 1.518 GB, free: 204.3 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004924/2.687, allocations: 0.6429 MB / 1.519 GB, free: 203.6 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.64e-05/2.687, allocations: 19.19 kB / 1.519 GB, free: 203.6 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06031/2.748, allocations: 7.877 MB / 1.526 GB, free: 203.6 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007326/2.755, allocations: 0.8385 MB / 1.527 GB, free: 203.6 MB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04676/2.802, allocations: 17.14 MB / 1.544 GB, free: 198.5 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007729/2.81, allocations: 0.5263 MB / 1.544 GB, free: 198.5 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001188/2.811, allocations: 180.7 kB / 1.545 GB, free: 198.5 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.478e-05/2.811, allocations: 3.531 kB / 1.545 GB, free: 198.5 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 0.01279/2.824, allocations: 3.183 MB / 1.548 GB, free: 197.4 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated