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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.01245/0.01245, allocations: 223.6 kB / 15.18 MB, free: 5.992 MB / 13.93 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.0012/0.001199, allocations: 182 kB / 16.06 MB, free: 5.871 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 3.948/3.948, allocations: 389 MB / 405.9 MB, free: 13.33 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 4.246/4.246, allocations: 472.3 MB / 0.9017 GB, free: 130 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005238/0.0005241, allocations: 23.92 kB / 1.008 GB, free: 21.49 MB / 0.5105 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6506/0.6512, allocations: 98.71 MB / 1.104 GB, free: 10.73 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02336/0.6746, allocations: 14.8 MB / 1.119 GB, free: 11.89 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.01542/0.6901, allocations: 6.116 MB / 1.125 GB, free: 5.777 MB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0018/0.6919, allocations: 39.88 kB / 1.125 GB, free: 5.738 MB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.001588/0.6936, allocations: 341.5 kB / 1.125 GB, free: 5.402 MB / 0.5261 GB
Notification: Performance of NFTyping.typeBindings: time 0.004515/0.6981, allocations: 1.119 MB / 1.126 GB, free: 4.285 MB / 0.5261 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00375/0.7019, allocations: 0.7952 MB / 1.127 GB, free: 3.488 MB / 0.5261 GB
Notification: Performance of NFFlatten.flatten: time 0.009875/0.7118, allocations: 5.881 MB / 1.133 GB, free: 13.59 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01438/0.7262, allocations: 5.975 MB / 1.138 GB, free: 7.543 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003777/0.7301, allocations: 1.499 MB / 1.14 GB, free: 6.039 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005794/0.7359, allocations: 2.384 MB / 1.142 GB, free: 3.648 MB / 0.5417 GB
Notification: Performance of NFPackage.collectConstants: time 0.001182/0.7372, allocations: 212 kB / 1.142 GB, free: 3.441 MB / 0.5417 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003262/0.7404, allocations: 0.6631 MB / 1.143 GB, free: 2.777 MB / 0.5417 GB
Notification: Performance of NFScalarize.scalarize: time 0.003892/0.7444, allocations: 1.703 MB / 1.145 GB, free: 1.07 MB / 0.5417 GB
Notification: Performance of NFVerifyModel.verify: time 0.001809/0.7462, allocations: 0.6056 MB / 1.145 GB, free: 468 kB / 0.5417 GB
Notification: Performance of NFConvertDAE.convert: time 0.009922/0.7562, allocations: 5.542 MB / 1.151 GB, free: 10.9 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 7.204e-06/0.7563, allocations: 0 / 1.151 GB, free: 10.9 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 2.405e-06/0.7563, allocations: 0 / 1.151 GB, free: 10.9 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 0.0001951/0.7565, allocations: 0 / 1.151 GB, free: 10.9 MB / 0.5573 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 0.01085/0.7673, allocations: 2.872 MB / 1.154 GB, free: 7.969 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 5.412e-05/0.7674, allocations: 12.03 kB / 1.154 GB, free: 7.957 MB / 0.5573 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001868/0.7693, allocations: 492.3 kB / 1.154 GB, free: 7.465 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02357/0.7929, allocations: 2.422 MB / 1.156 GB, free: 5.035 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007239/0.8002, allocations: 1.947 MB / 1.158 GB, free: 3.043 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000361/0.8006, allocations: 234.2 kB / 1.158 GB, free: 2.812 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001684/0.8023, allocations: 307.9 kB / 1.159 GB, free: 2.512 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02397/0.8263, allocations: 6.403 MB / 1.165 GB, free: 12 MB / 0.573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001052/0.8265, allocations: 4 kB / 1.165 GB, free: 11.99 MB / 0.573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008886/0.8274, allocations: 132 kB / 1.165 GB, free: 11.86 MB / 0.573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000838/0.8282, allocations: 317.3 kB / 1.165 GB, free: 11.55 MB / 0.573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02781/0.856, allocations: 6.57 MB / 1.172 GB, free: 4.965 MB / 0.573 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05268/0.9088, allocations: 24.87 MB / 1.196 GB, free: 10.04 MB / 0.6042 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0155/0.9243, allocations: 5.42 MB / 1.201 GB, free: 4.25 MB / 0.6042 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01227/0.9366, allocations: 2.948 MB / 1.204 GB, free: 1.289 MB / 0.6042 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005552/0.9372, allocations: 135 kB / 1.204 GB, free: 1.141 MB / 0.6042 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.566e-05/0.9373, allocations: 60.5 kB / 1.205 GB, free: 1.07 MB / 0.6042 GB
Notification: Performance of pre-optimization done (n=230): time 5.431e-06/0.9373, allocations: 4 kB / 1.205 GB, free: 1.066 MB / 0.6042 GB
Notification: Performance of matching and sorting (n=313): time 0.2754/1.213, allocations: 39.54 MB / 1.243 GB, free: 9.465 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002017/1.213, allocations: 243.9 kB / 1.243 GB, free: 9.176 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002717/1.216, allocations: 1.267 MB / 1.245 GB, free: 7.895 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007166/1.216, allocations: 77.7 kB / 1.245 GB, free: 7.812 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001192/1.218, allocations: 1.25 MB / 1.246 GB, free: 6.543 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001838/1.219, allocations: 1.047 MB / 1.247 GB, free: 5.48 MB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004998/1.22, allocations: 67.94 kB / 1.247 GB, free: 5.414 MB / 0.6511 GB
Notification: Performance of setup shared object (initialization): time 0.0003414/1.22, allocations: 440.8 kB / 1.247 GB, free: 4.977 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01123/1.232, allocations: 2.735 MB / 1.25 GB, free: 2.238 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01198/1.244, allocations: 3.42 MB / 1.253 GB, free: 14.56 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01214/1.256, allocations: 3.146 MB / 1.256 GB, free: 11.39 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.418e-05/1.256, allocations: 4 kB / 1.256 GB, free: 11.39 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.05345/1.309, allocations: 10.99 MB / 1.267 GB, free: 348 kB / 0.6667 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006332/1.31, allocations: 0.6185 MB / 1.268 GB, free: 15.46 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.376e-05/1.31, allocations: 20 kB / 1.268 GB, free: 15.45 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0439/1.354, allocations: 6.295 MB / 1.274 GB, free: 9.137 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008138/1.362, allocations: 0.9399 MB / 1.275 GB, free: 8.195 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6549/2.017, allocations: 26.37 MB / 1.301 GB, free: 151.9 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007338/2.025, allocations: 0.5262 MB / 1.301 GB, free: 151.8 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000815/2.025, allocations: 142.7 kB / 1.301 GB, free: 151.8 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.274e-05/2.025, allocations: 7.438 kB / 1.301 GB, free: 151.8 MB / 0.6823 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 0.01152/2.037, allocations: 3.074 MB / 1.304 GB, free: 150.7 MB / 0.6823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated