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 0.01064/0.01064, allocations: 221.9 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 0.001084/0.001084, allocations: 181.6 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 3.838/3.838, allocations: 389.1 MB / 405.9 MB, free: 13.36 MB / 346.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo): time 4.584/4.584, allocations: 472.3 MB / 0.9017 GB, free: 3.609 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004791/0.0004794, allocations: 8 kB / 1.008 GB, free: 10.26 MB / 0.6667 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.592/0.5925, allocations: 98.72 MB / 1.104 GB, free: 212.6 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.01901/0.6115, allocations: 14.73 MB / 1.118 GB, free: 203.3 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.01137/0.623, allocations: 6.093 MB / 1.124 GB, free: 199.2 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001915/0.6249, allocations: 37.97 kB / 1.124 GB, free: 199.2 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.001339/0.6263, allocations: 343.2 kB / 1.125 GB, free: 199.1 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.004291/0.6306, allocations: 1.11 MB / 1.126 GB, free: 198.5 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.003279/0.6339, allocations: 0.7902 MB / 1.127 GB, free: 198.1 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.007999/0.642, allocations: 5.861 MB / 1.132 GB, free: 196.1 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0118/0.6538, allocations: 5.938 MB / 1.138 GB, free: 194.4 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003432/0.6573, allocations: 1.498 MB / 1.14 GB, free: 193.8 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004763/0.6621, allocations: 2.364 MB / 1.142 GB, free: 193 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 0.000997/0.6632, allocations: 212.9 kB / 1.142 GB, free: 193 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003025/0.6662, allocations: 0.6617 MB / 1.143 GB, free: 192.9 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 0.00348/0.6697, allocations: 1.691 MB / 1.144 GB, free: 192.4 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 0.001956/0.6717, allocations: 0.6103 MB / 1.145 GB, free: 192.1 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.00822/0.68, allocations: 5.521 MB / 1.15 GB, free: 188.9 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 6.023e-06/0.68, allocations: 2 kB / 1.15 GB, free: 188.9 MB / 0.7292 GB Notification: Performance of FrontEnd: time 2.547e-06/0.68, allocations: 0 / 1.15 GB, free: 188.9 MB / 0.7292 GB Notification: Performance of Transformations before backend: time 0.0001716/0.6802, allocations: 1.406 kB / 1.15 GB, free: 188.9 MB / 0.7292 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 0.00813/0.6883, allocations: 2.831 MB / 1.153 GB, free: 187 MB / 0.7292 GB Notification: Performance of prepare preOptimizeDAE: time 4.095e-05/0.6884, allocations: 9.25 kB / 1.153 GB, free: 187 MB / 0.7292 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01587/0.7043, allocations: 2.419 MB / 1.156 GB, free: 185.9 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005207/0.7095, allocations: 1.945 MB / 1.157 GB, free: 184 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002347/0.7098, allocations: 230.1 kB / 1.158 GB, free: 183.7 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00138/0.7112, allocations: 304.4 kB / 1.158 GB, free: 183.4 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02546/0.7367, allocations: 6.377 MB / 1.164 GB, free: 177 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001671/0.7369, allocations: 3.938 kB / 1.164 GB, free: 177 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001593/0.7385, allocations: 128 kB / 1.164 GB, free: 176.8 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009992/0.7396, allocations: 321.9 kB / 1.165 GB, free: 176.5 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.036/0.7756, allocations: 6.555 MB / 1.171 GB, free: 169.9 MB / 0.7292 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05074/0.8264, allocations: 24.8 MB / 1.195 GB, free: 143.1 MB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009762/0.8362, allocations: 5.409 MB / 1.201 GB, free: 137.4 MB / 0.7292 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007542/0.8438, allocations: 2.948 MB / 1.203 GB, free: 134.5 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003787/0.8442, allocations: 139 kB / 1.204 GB, free: 134.3 MB / 0.7292 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.448e-05/0.8443, allocations: 68.45 kB / 1.204 GB, free: 134.2 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=230): time 6.064e-06/0.8443, allocations: 0 / 1.204 GB, free: 134.2 MB / 0.7292 GB Notification: Performance of matching and sorting (n=313): time 0.1618/1.006, allocations: 39.48 MB / 1.242 GB, free: 94.7 MB / 0.7292 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.85e-05/1.006, allocations: 239.9 kB / 1.242 GB, free: 94.41 MB / 0.7292 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001977/1.008, allocations: 1.222 MB / 1.244 GB, free: 93.17 MB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 0.0006066/1.009, allocations: 73.7 kB / 1.244 GB, free: 93.09 MB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006758/1.01, allocations: 1.246 MB / 1.245 GB, free: 91.83 MB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 0.001182/1.011, allocations: 1.047 MB / 1.246 GB, free: 90.77 MB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003778/1.011, allocations: 64 kB / 1.246 GB, free: 90.7 MB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 0.000208/1.011, allocations: 440.8 kB / 1.246 GB, free: 90.27 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007027/1.018, allocations: 2.735 MB / 1.249 GB, free: 87.53 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007725/1.026, allocations: 3.43 MB / 1.252 GB, free: 83.84 MB / 0.7292 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007718/1.034, allocations: 3.138 MB / 1.255 GB, free: 80.68 MB / 0.7292 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.36e-05/1.034, allocations: 4 kB / 1.255 GB, free: 80.68 MB / 0.7292 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.03355/1.068, allocations: 11 MB / 1.266 GB, free: 69.62 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002982/1.068, allocations: 0.6142 MB / 1.267 GB, free: 68.75 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.813e-05/1.068, allocations: 16 kB / 1.267 GB, free: 68.74 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02665/1.095, allocations: 6.303 MB / 1.273 GB, free: 62.43 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004952/1.1, allocations: 0.9321 MB / 1.274 GB, free: 61.5 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05313/1.153, allocations: 26.38 MB / 1.3 GB, free: 34.92 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00476/1.158, allocations: 0.5332 MB / 1.3 GB, free: 34.39 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008276/1.158, allocations: 140 kB / 1.3 GB, free: 34.25 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 1.312e-05/1.158, allocations: 4 kB / 1.3 GB, free: 34.25 MB / 0.7292 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 0.00892/1.167, allocations: 3.073 MB / 1.303 GB, free: 31.16 MB / 0.7292 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated