Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.45/2.45, allocations: 254.9 MB / 269.9 MB, free: 9.641 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001488/0.001488, allocations: 200 kB / 329.5 MB, free: 1.156 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.49/2.49, allocations: 225.6 MB / 0.6001 GB, free: 2.242 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001024/0.001024, allocations: 102 kB / 0.7074 GB, free: 7.961 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.000486/0.0004861, allocations: 13.81 kB / 0.8243 GB, free: 124.5 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2122/0.2127, allocations: 109.1 MB / 0.9308 GB, free: 25.11 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02466/0.2375, allocations: 16.48 MB / 0.9469 GB, free: 8.57 MB / 0.5886 GB
Notification: Performance of NFInst.instExpressions: time 0.01379/0.2513, allocations: 6.434 MB / 0.9532 GB, free: 2.121 MB / 0.5886 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002158/0.2535, allocations: 43.88 kB / 0.9532 GB, free: 2.078 MB / 0.5886 GB
Notification: Performance of NFTyping.typeComponents: time 0.001697/0.2553, allocations: 369.4 kB / 0.9536 GB, free: 1.715 MB / 0.5886 GB
Notification: Performance of NFTyping.typeBindings: time 0.004232/0.2595, allocations: 1.132 MB / 0.9547 GB, free: 0.5781 MB / 0.5886 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003497/0.2631, allocations: 0.7641 MB / 0.9554 GB, free: 15.81 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.01079/0.2739, allocations: 6.477 MB / 0.9617 GB, free: 9.32 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01816/0.2921, allocations: 7.68 MB / 0.9692 GB, free: 1.562 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004286/0.2965, allocations: 1.697 MB / 0.9709 GB, free: 15.86 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006394/0.3029, allocations: 2.602 MB / 0.9734 GB, free: 13.25 MB / 0.6198 GB
Notification: Performance of NFPackage.collectConstants: time 0.001365/0.3043, allocations: 240 kB / 0.9737 GB, free: 13.02 MB / 0.6198 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003438/0.3078, allocations: 0.6829 MB / 0.9743 GB, free: 12.33 MB / 0.6198 GB
Notification: Performance of NFScalarize.scalarize: time 0.003977/0.3118, allocations: 1.875 MB / 0.9762 GB, free: 10.45 MB / 0.6198 GB
Notification: Performance of NFVerifyModel.verify: time 0.002051/0.3139, allocations: 0.6914 MB / 0.9768 GB, free: 9.754 MB / 0.6198 GB
Notification: Performance of NFConvertDAE.convert: time 0.01042/0.3244, allocations: 6.402 MB / 0.9831 GB, free: 3.336 MB / 0.6198 GB
Notification: Performance of FrontEnd - DAE generated: time 8.716e-06/0.3245, allocations: 0 / 0.9831 GB, free: 3.336 MB / 0.6198 GB
Notification: Performance of FrontEnd: time 2.595e-06/0.3245, allocations: 0 / 0.9831 GB, free: 3.336 MB / 0.6198 GB
Notification: Performance of Transformations before backend: time 0.0002302/0.3247, allocations: 0 / 0.9831 GB, free: 3.336 MB / 0.6198 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.0117/0.3364, allocations: 3.105 MB / 0.9861 GB, free: 176 kB / 0.6198 GB
Notification: Performance of prepare preOptimizeDAE: time 4.759e-05/0.3365, allocations: 8.031 kB / 0.9861 GB, free: 168 kB / 0.6198 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02341/0.3599, allocations: 2.349 MB / 0.9884 GB, free: 13.8 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00754/0.3675, allocations: 2.121 MB / 0.9905 GB, free: 11.64 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003888/0.368, allocations: 263.4 kB / 0.9907 GB, free: 11.38 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001867/0.3699, allocations: 351.9 kB / 0.9911 GB, free: 11.04 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02698/0.3969, allocations: 7.067 MB / 0.998 GB, free: 3.871 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001577/0.3971, allocations: 8 kB / 0.998 GB, free: 3.863 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001535/0.3987, allocations: 147.9 kB / 0.9981 GB, free: 3.719 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009467/0.3996, allocations: 326 kB / 0.9984 GB, free: 3.398 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02919/0.4289, allocations: 6.965 MB / 1.005 GB, free: 12.41 MB / 0.6511 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6574/1.086, allocations: 26.56 MB / 1.031 GB, free: 89.69 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01578/1.102, allocations: 4.981 MB / 1.036 GB, free: 88.06 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01164/1.114, allocations: 2.6 MB / 1.039 GB, free: 87.8 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005117/1.114, allocations: 129.8 kB / 1.039 GB, free: 87.7 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.318e-05/1.115, allocations: 65 kB / 1.039 GB, free: 87.64 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.961e-06/1.115, allocations: 3.625 kB / 1.039 GB, free: 87.64 MB / 0.6667 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.conv1.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.conv1.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 0.2234/1.338, allocations: 30.92 MB / 1.069 GB, free: 77.83 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000116/1.338, allocations: 242.5 kB / 1.069 GB, free: 77.57 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003229/1.341, allocations: 1.393 MB / 1.071 GB, free: 76.82 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007338/1.342, allocations: 66.95 kB / 1.071 GB, free: 76.75 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001816/1.344, allocations: 1.481 MB / 1.072 GB, free: 75.46 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002441/1.346, allocations: 0.9279 MB / 1.073 GB, free: 74.66 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000956/1.348, allocations: 65.06 kB / 1.073 GB, free: 74.61 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0004192/1.348, allocations: 444.6 kB / 1.073 GB, free: 74.21 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01612/1.364, allocations: 2.646 MB / 1.076 GB, free: 72.84 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01716/1.381, allocations: 3.541 MB / 1.08 GB, free: 70.33 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01742/1.399, allocations: 3.091 MB / 1.083 GB, free: 68.68 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.936e-05/1.399, allocations: 7.125 kB / 1.083 GB, free: 68.68 MB / 0.6667 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.conv1.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.conv1.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 0.06797/1.467, allocations: 11 MB / 1.093 GB, free: 58.36 MB / 0.6667 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005075/1.467, allocations: 0.8631 MB / 1.094 GB, free: 57.12 MB / 0.6667 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.775e-05/1.468, allocations: 28 kB / 1.094 GB, free: 57.1 MB / 0.6667 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03962/1.507, allocations: 5.877 MB / 1.1 GB, free: 51.2 MB / 0.6667 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0081/1.515, allocations: 0.9906 MB / 1.101 GB, free: 50.21 MB / 0.6667 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06785/1.583, allocations: 25.89 MB / 1.126 GB, free: 23.89 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007775/1.591, allocations: 0.5536 MB / 1.127 GB, free: 23.34 MB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008913/1.592, allocations: 147.9 kB / 1.127 GB, free: 23.19 MB / 0.6667 GB
Notification: Performance of prepare postOptimizeDAE: time 1.335e-05/1.592, allocations: 4 kB / 1.127 GB, free: 23.19 MB / 0.6667 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 0.01229/1.604, allocations: 3.091 MB / 1.13 GB, free: 20.07 MB / 0.6667 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated