Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/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 8.1.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_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_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.691/1.691, allocations: 297.4 MB / 312.6 MB, free: 2.906 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 0.0009708/0.0009708, allocations: 189.2 kB / 382.3 MB, free: 14.81 MB / 314.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.477/1.477, allocations: 225.7 MB / 0.6617 GB, free: 7.195 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 0.000884/0.0008841, allocations: 99.61 kB / 0.7789 GB, free: 47 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005227/0.0005227, allocations: 9.75 kB / 0.9059 GB, free: 4.871 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8094/0.81, allocations: 119.2 MB / 1.022 GB, free: 58.32 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01652/0.8265, allocations: 16.75 MB / 1.039 GB, free: 47.66 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.01168/0.8383, allocations: 11.07 MB / 1.049 GB, free: 37.71 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002744/0.8411, allocations: 43 kB / 1.05 GB, free: 37.7 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.001508/0.8426, allocations: 370.2 kB / 1.05 GB, free: 37.5 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.003895/0.8465, allocations: 1.325 MB / 1.051 GB, free: 36.8 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003019/0.8496, allocations: 0.9928 MB / 1.052 GB, free: 36.24 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.00847/0.8581, allocations: 8.48 MB / 1.06 GB, free: 33.73 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01228/0.8704, allocations: 10.92 MB / 1.071 GB, free: 27.11 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003728/0.8741, allocations: 1.715 MB / 1.073 GB, free: 26.46 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004185/0.8783, allocations: 2.639 MB / 1.075 GB, free: 25.53 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007235/0.8791, allocations: 240 kB / 1.076 GB, free: 25.53 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00258/0.8817, allocations: 1.133 MB / 1.077 GB, free: 25.21 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.001976/0.8837, allocations: 1.846 MB / 1.078 GB, free: 24.65 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.002197/0.8859, allocations: 1.777 MB / 1.08 GB, free: 23.54 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.007501/0.8934, allocations: 7.378 MB / 1.087 GB, free: 21.93 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 6.342e-06/0.8934, allocations: 0 / 1.087 GB, free: 21.93 MB / 0.698 GB
Notification: Performance of FrontEnd: time 2.925e-06/0.8934, allocations: 0 / 1.087 GB, free: 21.93 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0002533/0.8937, allocations: 0 / 1.087 GB, free: 21.93 MB / 0.698 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 0.007189/0.9009, allocations: 3.073 MB / 1.09 GB, free: 20.27 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.458e-05/0.901, allocations: 8.906 kB / 1.09 GB, free: 20.27 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01162/0.9126, allocations: 2.345 MB / 1.093 GB, free: 20.02 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00531/0.9179, allocations: 2.154 MB / 1.095 GB, free: 18.91 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002322/0.9182, allocations: 262.1 kB / 1.095 GB, free: 18.8 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001187/0.9194, allocations: 352.2 kB / 1.095 GB, free: 18.68 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01603/0.9354, allocations: 7.063 MB / 1.102 GB, free: 16.28 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.543e-05/0.9355, allocations: 9.953 kB / 1.102 GB, free: 16.27 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004469/0.936, allocations: 147.5 kB / 1.102 GB, free: 16.16 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005087/0.9365, allocations: 330.3 kB / 1.103 GB, free: 16.12 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01755/0.9541, allocations: 6.964 MB / 1.11 GB, free: 14.12 MB / 0.698 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 0.03797/0.9921, allocations: 26.57 MB / 1.135 GB, free: 10.28 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007903/1, allocations: 4.982 MB / 1.14 GB, free: 5.168 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005436/1.006, allocations: 2.604 MB / 1.143 GB, free: 2.543 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000241/1.006, allocations: 135 kB / 1.143 GB, free: 2.395 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.162e-05/1.006, allocations: 68.5 kB / 1.143 GB, free: 2.316 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 4.188e-06/1.006, allocations: 0 / 1.143 GB, free: 2.316 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.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 0.1005/1.106, allocations: 30.98 MB / 1.173 GB, free: 3.25 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001137/1.107, allocations: 235.6 kB / 1.174 GB, free: 2.973 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001948/1.108, allocations: 1.388 MB / 1.175 GB, free: 1.574 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005263/1.109, allocations: 65.7 kB / 1.175 GB, free: 1.504 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009661/1.11, allocations: 1.489 MB / 1.176 GB, free: 15.99 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001058/1.111, allocations: 0.9204 MB / 1.177 GB, free: 15.06 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002357/1.111, allocations: 64 kB / 1.177 GB, free: 15 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0002313/1.112, allocations: 440.7 kB / 1.178 GB, free: 14.56 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005723/1.117, allocations: 2.645 MB / 1.18 GB, free: 11.91 MB / 0.7605 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006733/1.124, allocations: 3.536 MB / 1.184 GB, free: 7.996 MB / 0.7605 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01211/1.136, allocations: 6.371 MB / 1.19 GB, free: 1.227 MB / 0.7605 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.06e-05/1.136, allocations: 8 kB / 1.19 GB, free: 1.219 MB / 0.7605 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 0.02715/1.163, allocations: 11.01 MB / 1.201 GB, free: 6.105 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00068/1.164, allocations: 0.8592 MB / 1.202 GB, free: 4.871 MB / 0.7761 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.331e-05/1.164, allocations: 28 kB / 1.202 GB, free: 4.844 MB / 0.7761 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02056/1.185, allocations: 5.887 MB / 1.207 GB, free: 14.94 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004198/1.189, allocations: 0.9827 MB / 1.208 GB, free: 13.95 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04119/1.23, allocations: 25.89 MB / 1.234 GB, free: 3.609 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00421/1.234, allocations: 0.5498 MB / 1.234 GB, free: 3.059 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006469/1.235, allocations: 155.9 kB / 1.234 GB, free: 2.906 MB / 0.8073 GB
Notification: Performance of prepare postOptimizeDAE: time 1.016e-05/1.235, allocations: 4 kB / 1.234 GB, free: 2.902 MB / 0.8073 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 0.006903/1.242, allocations: 3.083 MB / 1.237 GB, free: 15.79 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated