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.BalancedStepDown.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.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004229/0.00423, 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 0.0012/0.0012, allocations: 171.8 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 3.926/3.926, allocations: 389.1 MB / 406.5 MB, free: 11.85 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 4.016/4.016, allocations: 472.3 MB / 0.9024 GB, free: 9.211 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004939/0.0004942, allocations: 12 kB / 1.008 GB, free: 176.8 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1816/0.1821, allocations: 98.71 MB / 1.105 GB, free: 80.52 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8531/1.035, allocations: 185 MB / 1.285 GB, free: 10.2 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004627/1.036, allocations: 127.5 kB / 1.285 GB, free: 10.12 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.499/1.535, allocations: 123.6 MB / 1.406 GB, free: 8.512 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.417e-06/1.535, allocations: 0.7812 kB / 1.406 GB, free: 8.512 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0001695/1.535, allocations: 64 kB / 1.406 GB, free: 8.449 MB / 0.7448 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 0.01163/1.547, allocations: 2.826 MB / 1.409 GB, free: 5.578 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 4.632e-05/1.547, allocations: 13.69 kB / 1.409 GB, free: 5.566 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02253/1.569, allocations: 2.086 MB / 1.411 GB, free: 3.488 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007568/1.577, allocations: 2 MB / 1.413 GB, free: 1.445 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003653/1.577, allocations: 234.1 kB / 1.413 GB, free: 1.215 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001983/1.579, allocations: 295.9 kB / 1.413 GB, free: 0.9258 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02295/1.602, allocations: 5.866 MB / 1.419 GB, free: 10.96 MB / 0.7605 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001121/1.603, allocations: 5.562 kB / 1.419 GB, free: 10.95 MB / 0.7605 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007366/1.603, allocations: 135.9 kB / 1.419 GB, free: 10.82 MB / 0.7605 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000864/1.604, allocations: 285.2 kB / 1.42 GB, free: 10.54 MB / 0.7605 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02749/1.632, allocations: 6.022 MB / 1.426 GB, free: 4.512 MB / 0.7605 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.054/1.686, allocations: 24.75 MB / 1.45 GB, free: 9.77 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01618/1.702, allocations: 5.476 MB / 1.455 GB, free: 3.969 MB / 0.7917 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01159/1.714, allocations: 2.803 MB / 1.458 GB, free: 1.172 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004691/1.714, allocations: 138.7 kB / 1.458 GB, free: 1.02 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.9e-05/1.714, allocations: 64.5 kB / 1.458 GB, free: 0.9492 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=230): time 5.401e-06/1.714, allocations: 0 / 1.458 GB, free: 0.9492 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=305): time 0.8402/2.554, allocations: 36.08 MB / 1.493 GB, free: 222.4 MB / 0.823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001145/2.555, allocations: 242.5 kB / 1.493 GB, free: 222.2 MB / 0.823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002909/2.558, allocations: 1.251 MB / 1.495 GB, free: 222 MB / 0.823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008406/2.558, allocations: 74.14 kB / 1.495 GB, free: 222 MB / 0.823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00106/2.559, allocations: 1.236 MB / 1.496 GB, free: 221.8 MB / 0.823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001776/2.561, allocations: 1.021 MB / 1.497 GB, free: 221.3 MB / 0.823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004508/2.562, allocations: 72.14 kB / 1.497 GB, free: 221.3 MB / 0.823 GB
Notification: Performance of setup shared object (initialization): time 0.0002804/2.562, allocations: 442.9 kB / 1.497 GB, free: 221 MB / 0.823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01179/2.574, allocations: 2.765 MB / 1.5 GB, free: 221 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01242/2.586, allocations: 3.468 MB / 1.503 GB, free: 220.3 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01254/2.599, allocations: 3.165 MB / 1.507 GB, free: 220.2 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.8e-05/2.599, allocations: 4.875 kB / 1.507 GB, free: 220.2 MB / 0.823 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04553/2.645, allocations: 9.963 MB / 1.516 GB, free: 219.9 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000488/2.645, allocations: 0.6436 MB / 1.517 GB, free: 219.2 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.266e-05/2.645, allocations: 18.84 kB / 1.517 GB, free: 219.2 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05939/2.705, allocations: 7.877 MB / 1.525 GB, free: 219.1 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007681/2.712, allocations: 0.8437 MB / 1.525 GB, free: 219.1 MB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04693/2.759, allocations: 17.12 MB / 1.542 GB, free: 216.2 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007771/2.767, allocations: 0.5279 MB / 1.543 GB, free: 216.1 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001133/2.768, allocations: 179.7 kB / 1.543 GB, free: 216.1 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.409e-05/2.768, allocations: 3.906 kB / 1.543 GB, free: 216.1 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.01253/2.781, allocations: 3.188 MB / 1.546 GB, free: 215 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated