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 0.004355/0.004355, allocations: 239.6 kB / 15.81 MB, free: 6.281 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.001207/0.001207, allocations: 179.9 kB / 16.69 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 3.677/3.677, allocations: 389.1 MB / 406.5 MB, free: 6.828 MB / 202.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo): time 5.062/5.062, allocations: 472.3 MB / 0.9023 GB, free: 10.77 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004947/0.0004949, allocations: 12 kB / 1.008 GB, free: 6.711 MB / 0.6511 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2229/0.2234, allocations: 98.71 MB / 1.105 GB, free: 3.84 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02828/0.2518, allocations: 14.81 MB / 1.119 GB, free: 4.98 MB / 0.7605 GB Notification: Performance of NFInst.instExpressions: time 0.01565/0.2675, allocations: 6.111 MB / 1.125 GB, free: 14.85 MB / 0.7761 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001772/0.2693, allocations: 39.88 kB / 1.125 GB, free: 14.81 MB / 0.7761 GB Notification: Performance of NFTyping.typeComponents: time 0.001568/0.2709, allocations: 341.5 kB / 1.125 GB, free: 14.48 MB / 0.7761 GB Notification: Performance of NFTyping.typeBindings: time 0.004598/0.2756, allocations: 1.12 MB / 1.127 GB, free: 13.35 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.004021/0.2796, allocations: 0.7913 MB / 1.127 GB, free: 12.56 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.01011/0.2898, allocations: 5.881 MB / 1.133 GB, free: 6.664 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01435/0.3042, allocations: 5.968 MB / 1.139 GB, free: 0.6211 MB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003913/0.3082, allocations: 1.502 MB / 1.14 GB, free: 15.11 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005899/0.3141, allocations: 2.376 MB / 1.143 GB, free: 12.73 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.00129/0.3155, allocations: 212 kB / 1.143 GB, free: 12.52 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004241/0.3198, allocations: 0.667 MB / 1.144 GB, free: 11.86 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.005083/0.3249, allocations: 1.699 MB / 1.145 GB, free: 10.15 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.00236/0.3274, allocations: 0.6095 MB / 1.146 GB, free: 9.535 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.01245/0.3399, allocations: 5.54 MB / 1.151 GB, free: 3.984 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 9.498e-06/0.3399, allocations: 0 / 1.151 GB, free: 3.984 MB / 0.7917 GB Notification: Performance of FrontEnd: time 3.406e-06/0.34, allocations: 0 / 1.151 GB, free: 3.984 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.0002141/0.3402, allocations: 0 / 1.151 GB, free: 3.984 MB / 0.7917 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 0.0158/0.356, allocations: 2.876 MB / 1.154 GB, free: 1.047 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 6.583e-05/0.3561, allocations: 8.75 kB / 1.154 GB, free: 1.039 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.8155/1.172, allocations: 2.413 MB / 1.156 GB, free: 253.5 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009488/1.181, allocations: 1.953 MB / 1.158 GB, free: 253.1 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004402/1.182, allocations: 229.8 kB / 1.158 GB, free: 253.1 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002167/1.184, allocations: 313 kB / 1.159 GB, free: 253.1 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03331/1.217, allocations: 6.397 MB / 1.165 GB, free: 252.7 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000291/1.218, allocations: 6.25 kB / 1.165 GB, free: 252.7 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002101/1.22, allocations: 129 kB / 1.165 GB, free: 252.7 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001331/1.221, allocations: 319.3 kB / 1.165 GB, free: 252.7 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03917/1.26, allocations: 6.564 MB / 1.172 GB, free: 250.9 MB / 0.7917 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07284/1.333, allocations: 24.88 MB / 1.196 GB, free: 233.1 MB / 0.7917 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01742/1.351, allocations: 5.417 MB / 1.201 GB, free: 230 MB / 0.7917 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01263/1.363, allocations: 2.945 MB / 1.204 GB, free: 229.2 MB / 0.7917 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005882/1.364, allocations: 135.8 kB / 1.204 GB, free: 229.1 MB / 0.7917 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.274e-05/1.364, allocations: 62.55 kB / 1.205 GB, free: 229.1 MB / 0.7917 GB Notification: Performance of pre-optimization done (n=230): time 5.901e-06/1.364, allocations: 0 / 1.205 GB, free: 229.1 MB / 0.7917 GB Notification: Performance of matching and sorting (n=313): time 0.2694/1.633, allocations: 39.55 MB / 1.243 GB, free: 203.3 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.717e-05/1.634, allocations: 251.9 kB / 1.243 GB, free: 203 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002446/1.636, allocations: 1.263 MB / 1.245 GB, free: 201.8 MB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 0.0008818/1.637, allocations: 77.7 kB / 1.245 GB, free: 201.7 MB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008495/1.638, allocations: 1.24 MB / 1.246 GB, free: 200.4 MB / 0.7917 GB Notification: Performance of collectInitialBindings (initialization): time 0.001686/1.64, allocations: 1.055 MB / 1.247 GB, free: 199.4 MB / 0.7917 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000498/1.64, allocations: 64 kB / 1.247 GB, free: 199.3 MB / 0.7917 GB Notification: Performance of setup shared object (initialization): time 0.0002309/1.64, allocations: 436.8 kB / 1.247 GB, free: 198.9 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01045/1.651, allocations: 2.743 MB / 1.25 GB, free: 196.1 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01163/1.662, allocations: 3.424 MB / 1.253 GB, free: 192.4 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01159/1.674, allocations: 3.142 MB / 1.256 GB, free: 189.3 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.017e-05/1.674, allocations: 4 kB / 1.256 GB, free: 189.3 MB / 0.7917 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.05075/1.725, allocations: 10.99 MB / 1.267 GB, free: 178.2 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003575/1.725, allocations: 0.6276 MB / 1.268 GB, free: 177.4 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.379e-05/1.725, allocations: 20 kB / 1.268 GB, free: 177.3 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04131/1.767, allocations: 6.294 MB / 1.274 GB, free: 171 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00786/1.775, allocations: 0.9322 MB / 1.275 GB, free: 170.1 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.09957/1.874, allocations: 26.38 MB / 1.301 GB, free: 143.5 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01119/1.886, allocations: 0.5303 MB / 1.301 GB, free: 143 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001423/1.887, allocations: 143.9 kB / 1.301 GB, free: 142.9 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 2.093e-05/1.887, allocations: 7.953 kB / 1.301 GB, free: 142.9 MB / 0.7917 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 0.01852/1.906, allocations: 3.073 MB / 1.304 GB, free: 139.8 MB / 0.7917 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated