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 0.01072/0.01072, allocations: 221.8 kB / 15.17 MB, free: 5.93 MB / 13.93 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.001119/0.001119, allocations: 179.4 kB / 16.06 MB, free: 5.828 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 3.444/3.444, allocations: 389.1 MB / 405.9 MB, free: 6.68 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 4.313/4.313, allocations: 472.3 MB / 0.9017 GB, free: 10.75 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005048/0.0005051, allocations: 8 kB / 1.008 GB, free: 6.676 MB / 0.6511 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1822/0.1828, allocations: 98.71 MB / 1.104 GB, free: 3.801 MB / 0.7448 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02273/0.2056, allocations: 14.81 MB / 1.119 GB, free: 4.945 MB / 0.7605 GB
Notification: Performance of NFInst.instExpressions: time 0.013/0.2186, allocations: 6.115 MB / 1.124 GB, free: 14.82 MB / 0.7761 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001624/0.2203, allocations: 39.88 kB / 1.125 GB, free: 14.78 MB / 0.7761 GB
Notification: Performance of NFTyping.typeComponents: time 0.001217/0.2215, allocations: 345.5 kB / 1.125 GB, free: 14.44 MB / 0.7761 GB
Notification: Performance of NFTyping.typeBindings: time 0.004146/0.2257, allocations: 1.108 MB / 1.126 GB, free: 13.32 MB / 0.7761 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003224/0.229, allocations: 0.803 MB / 1.127 GB, free: 12.52 MB / 0.7761 GB
Notification: Performance of NFFlatten.flatten: time 0.007984/0.237, allocations: 5.885 MB / 1.132 GB, free: 6.621 MB / 0.7761 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01256/0.2496, allocations: 5.952 MB / 1.138 GB, free: 0.5938 MB / 0.7761 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003258/0.2529, allocations: 1.506 MB / 1.14 GB, free: 15.08 MB / 0.7917 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004473/0.2574, allocations: 2.384 MB / 1.142 GB, free: 12.69 MB / 0.7917 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007347/0.2582, allocations: 212 kB / 1.142 GB, free: 12.48 MB / 0.7917 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002242/0.2604, allocations: 0.6631 MB / 1.143 GB, free: 11.82 MB / 0.7917 GB
Notification: Performance of NFScalarize.scalarize: time 0.002867/0.2633, allocations: 1.699 MB / 1.145 GB, free: 10.12 MB / 0.7917 GB
Notification: Performance of NFVerifyModel.verify: time 0.00125/0.2646, allocations: 0.6095 MB / 1.145 GB, free: 9.5 MB / 0.7917 GB
Notification: Performance of NFConvertDAE.convert: time 0.008088/0.2727, allocations: 5.537 MB / 1.151 GB, free: 3.949 MB / 0.7917 GB
Notification: Performance of FrontEnd - DAE generated: time 5.718e-06/0.2728, allocations: 0 / 1.151 GB, free: 3.949 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 3.356e-06/0.2728, allocations: 0 / 1.151 GB, free: 3.949 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 0.0001205/0.2729, allocations: 0 / 1.151 GB, free: 3.949 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 0.007585/0.2805, allocations: 2.876 MB / 1.153 GB, free: 1.012 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 4.422e-05/0.2806, allocations: 8.75 kB / 1.153 GB, free: 1.004 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.503/0.7835, allocations: 2.418 MB / 1.156 GB, free: 253.1 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004835/0.7884, allocations: 1.949 MB / 1.158 GB, free: 252.8 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002506/0.7887, allocations: 235.4 kB / 1.158 GB, free: 252.8 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001093/0.7898, allocations: 307.5 kB / 1.158 GB, free: 252.8 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01669/0.8065, allocations: 6.4 MB / 1.164 GB, free: 252.4 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.934e-05/0.8067, allocations: 3.938 kB / 1.164 GB, free: 252.4 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006439/0.8073, allocations: 134.5 kB / 1.165 GB, free: 252.4 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005528/0.8079, allocations: 317.4 kB / 1.165 GB, free: 252.4 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01881/0.8267, allocations: 6.564 MB / 1.171 GB, free: 250.5 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06081/0.8876, allocations: 24.87 MB / 1.196 GB, free: 232.8 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01262/0.9003, allocations: 5.416 MB / 1.201 GB, free: 229.7 MB / 0.7917 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008152/0.9084, allocations: 2.949 MB / 1.204 GB, free: 228.8 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003529/0.9088, allocations: 133.5 kB / 1.204 GB, free: 228.7 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.376e-05/0.9089, allocations: 62.22 kB / 1.204 GB, free: 228.7 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=230): time 7.211e-06/0.9089, allocations: 5.438 kB / 1.204 GB, free: 228.7 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=313): time 0.1657/1.075, allocations: 39.55 MB / 1.243 GB, free: 203.1 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.409e-05/1.075, allocations: 243.9 kB / 1.243 GB, free: 202.8 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001873/1.077, allocations: 1.271 MB / 1.244 GB, free: 201.5 MB / 0.7917 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005556/1.077, allocations: 73.7 kB / 1.244 GB, free: 201.5 MB / 0.7917 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006622/1.078, allocations: 1.246 MB / 1.245 GB, free: 200.2 MB / 0.7917 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00105/1.079, allocations: 1.051 MB / 1.246 GB, free: 199.2 MB / 0.7917 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003314/1.079, allocations: 64 kB / 1.246 GB, free: 199.1 MB / 0.7917 GB
Notification: Performance of setup shared object (initialization): time 0.0002052/1.08, allocations: 440.8 kB / 1.247 GB, free: 198.7 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006818/1.086, allocations: 2.731 MB / 1.249 GB, free: 195.9 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007257/1.094, allocations: 3.427 MB / 1.253 GB, free: 192.2 MB / 0.7917 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007438/1.101, allocations: 3.14 MB / 1.256 GB, free: 189.1 MB / 0.7917 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.545e-05/1.101, allocations: 4 kB / 1.256 GB, free: 189.1 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.03227/1.133, allocations: 10.99 MB / 1.267 GB, free: 178 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003028/1.134, allocations: 0.6301 MB / 1.267 GB, free: 177.1 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.103e-05/1.134, allocations: 16.62 kB / 1.267 GB, free: 177.1 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02589/1.16, allocations: 6.287 MB / 1.273 GB, free: 170.8 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004658/1.164, allocations: 0.9438 MB / 1.274 GB, free: 169.9 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05119/1.216, allocations: 26.37 MB / 1.3 GB, free: 143.3 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004433/1.22, allocations: 0.5304 MB / 1.301 GB, free: 142.8 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005336/1.221, allocations: 147.9 kB / 1.301 GB, free: 142.7 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 1.284e-05/1.221, allocations: 4 kB / 1.301 GB, free: 142.7 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.007907/1.229, allocations: 3.074 MB / 1.304 GB, free: 139.6 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated