Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 8.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.707/1.707, allocations: 291.7 MB / 306.8 MB, free: 7.691 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001719/0.001719, allocations: 180.2 kB / 375.4 MB, free: 5.137 MB / 298.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.495/1.495, allocations: 225.7 MB / 0.6538 GB, free: 13.56 MB / 490.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008599/0.0008599, allocations: 101.5 kB / 0.7699 GB, free: 50.28 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005185/0.0005188, allocations: 8 kB / 0.8956 GB, free: 11.86 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8531/0.8536, allocations: 118.1 MB / 1.011 GB, free: 57.42 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01615/0.8698, allocations: 16.56 MB / 1.027 GB, free: 53.49 MB / 0.7136 GB
Notification: Performance of NFInst.instExpressions: time 0.009626/0.8795, allocations: 6.492 MB / 1.033 GB, free: 50.04 MB / 0.7136 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001751/0.8813, allocations: 45.78 kB / 1.033 GB, free: 50.03 MB / 0.7136 GB
Notification: Performance of NFTyping.typeComponents: time 0.0009386/0.8822, allocations: 371.3 kB / 1.034 GB, free: 49.83 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.003049/0.8853, allocations: 1.147 MB / 1.035 GB, free: 49.25 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003139/0.8884, allocations: 0.7708 MB / 1.036 GB, free: 48.89 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.008289/0.8967, allocations: 6.502 MB / 1.042 GB, free: 46.68 MB / 0.7136 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01171/0.9085, allocations: 8.261 MB / 1.05 GB, free: 43.67 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003877/0.9124, allocations: 1.704 MB / 1.052 GB, free: 43.04 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004892/0.9173, allocations: 2.606 MB / 1.054 GB, free: 42.14 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.0008622/0.9182, allocations: 240.6 kB / 1.055 GB, free: 42.14 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003019/0.9212, allocations: 0.6914 MB / 1.055 GB, free: 42 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.004106/0.9253, allocations: 1.88 MB / 1.057 GB, free: 41.48 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.002353/0.9277, allocations: 0.6914 MB / 1.058 GB, free: 41.06 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.01156/0.9393, allocations: 6.447 MB / 1.064 GB, free: 39.99 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 1.035e-05/0.9393, allocations: 2.969 kB / 1.064 GB, free: 39.99 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 3.176e-06/0.9394, allocations: 0 / 1.064 GB, free: 39.99 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002824/0.9397, allocations: 0 / 1.064 GB, free: 39.99 MB / 0.7136 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.008158/0.9478, allocations: 3.104 MB / 1.067 GB, free: 38.32 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.364e-05/0.9479, allocations: 9.188 kB / 1.067 GB, free: 38.32 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01166/0.9595, allocations: 2.352 MB / 1.069 GB, free: 38.07 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004939/0.9645, allocations: 2.161 MB / 1.071 GB, free: 36.96 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001919/0.9648, allocations: 270.2 kB / 1.072 GB, free: 36.84 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001169/0.9659, allocations: 352.8 kB / 1.072 GB, free: 36.72 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01438/0.9803, allocations: 7.096 MB / 1.079 GB, free: 34.32 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.811e-05/0.9804, allocations: 7.344 kB / 1.079 GB, free: 34.31 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004085/0.9809, allocations: 149.2 kB / 1.079 GB, free: 34.2 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004303/0.9813, allocations: 333 kB / 1.079 GB, free: 34.16 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01665/0.998, allocations: 6.984 MB / 1.086 GB, free: 32.15 MB / 0.7136 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03401/1.032, allocations: 26.66 MB / 1.112 GB, free: 12.77 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008733/1.041, allocations: 4.969 MB / 1.117 GB, free: 10.06 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006616/1.047, allocations: 2.599 MB / 1.12 GB, free: 9.297 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003545/1.048, allocations: 140.3 kB / 1.12 GB, free: 9.18 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.713e-05/1.048, allocations: 55.27 kB / 1.12 GB, free: 9.125 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 4.829e-06/1.048, allocations: 0 / 1.12 GB, free: 9.125 MB / 0.7136 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.109/1.157, allocations: 31 MB / 1.15 GB, free: 9.863 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001558/1.157, allocations: 243.6 kB / 1.15 GB, free: 9.578 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002356/1.16, allocations: 1.438 MB / 1.152 GB, free: 8.133 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008294/1.16, allocations: 65.7 kB / 1.152 GB, free: 8.062 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001341/1.162, allocations: 1.497 MB / 1.153 GB, free: 6.543 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001759/1.164, allocations: 0.9242 MB / 1.154 GB, free: 5.605 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002696/1.164, allocations: 64 kB / 1.154 GB, free: 5.543 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0002679/1.164, allocations: 444.6 kB / 1.155 GB, free: 5.102 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005871/1.17, allocations: 2.645 MB / 1.157 GB, free: 2.453 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006797/1.177, allocations: 3.536 MB / 1.161 GB, free: 14.54 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01283/1.19, allocations: 6.367 MB / 1.167 GB, free: 7.773 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.1e-05/1.19, allocations: 8 kB / 1.167 GB, free: 7.766 MB / 0.7448 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02968/1.219, allocations: 10.99 MB / 1.178 GB, free: 12.67 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0008262/1.22, allocations: 0.8749 MB / 1.179 GB, free: 11.42 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.857e-05/1.22, allocations: 24 kB / 1.179 GB, free: 11.39 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02148/1.242, allocations: 5.875 MB / 1.184 GB, free: 5.504 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004573/1.246, allocations: 0.9828 MB / 1.185 GB, free: 4.52 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04163/1.288, allocations: 25.87 MB / 1.211 GB, free: 10.23 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00479/1.293, allocations: 0.5498 MB / 1.211 GB, free: 9.676 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005189/1.293, allocations: 151.9 kB / 1.211 GB, free: 9.527 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 1.13e-05/1.293, allocations: 4 kB / 1.211 GB, free: 9.523 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 0.007056/1.301, allocations: 3.084 MB / 1.214 GB, free: 6.41 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated