Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/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 9.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 1.773/1.773, allocations: 306.1 MB / 321.4 MB, free: 10.77 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001479/0.001479, allocations: 175.5 kB / 393.1 MB, free: 4.078 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 1.562/1.562, allocations: 225.7 MB / 0.6743 GB, free: 12.6 MB / 0.4948 GB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001004/0.001004, allocations: 95.02 kB / 0.7935 GB, free: 40.04 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003884/0.0003886, allocations: 8 kB / 0.9225 GB, free: 8.621 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7279/0.7283, allocations: 121.3 MB / 1.041 GB, free: 58.27 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.0179/0.7462, allocations: 16.75 MB / 1.057 GB, free: 47.19 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.01231/0.7586, allocations: 11.07 MB / 1.068 GB, free: 37.23 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002923/0.7616, allocations: 41.25 kB / 1.068 GB, free: 37.23 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.001617/0.7632, allocations: 373.1 kB / 1.068 GB, free: 37.03 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.004141/0.7674, allocations: 1.327 MB / 1.07 GB, free: 36.32 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003279/0.7707, allocations: 0.9881 MB / 1.071 GB, free: 35.77 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.007835/0.7786, allocations: 8.472 MB / 1.079 GB, free: 33.27 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01392/0.7925, allocations: 10.92 MB / 1.09 GB, free: 26.62 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004114/0.7966, allocations: 1.72 MB / 1.091 GB, free: 25.96 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005543/0.8022, allocations: 2.637 MB / 1.094 GB, free: 25.03 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.001812/0.804, allocations: 237.2 kB / 1.094 GB, free: 25.03 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00417/0.8082, allocations: 1.129 MB / 1.095 GB, free: 24.71 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.003689/0.8119, allocations: 1.849 MB / 1.097 GB, free: 24.16 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.003496/0.8154, allocations: 1.779 MB / 1.099 GB, free: 23.04 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.009049/0.8245, allocations: 7.379 MB / 1.106 GB, free: 21.43 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 6.332e-06/0.8245, allocations: 0 / 1.106 GB, free: 21.43 MB / 0.698 GB
Notification: Performance of FrontEnd: time 2.355e-06/0.8245, allocations: 0 / 1.106 GB, free: 21.43 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0002828/0.8248, allocations: 1.219 kB / 1.106 GB, free: 21.43 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 0.009475/0.8343, allocations: 3.072 MB / 1.109 GB, free: 19.77 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.88e-05/0.8344, allocations: 10.5 kB / 1.109 GB, free: 19.77 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01358/0.848, allocations: 2.339 MB / 1.111 GB, free: 19.52 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007985/0.856, allocations: 2.144 MB / 1.113 GB, free: 18.43 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000434/0.8565, allocations: 267 kB / 1.114 GB, free: 18.3 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002486/0.859, allocations: 348.3 kB / 1.114 GB, free: 18.19 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02712/0.8861, allocations: 7.07 MB / 1.121 GB, free: 15.79 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002659/0.8864, allocations: 5.969 kB / 1.121 GB, free: 15.79 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002548/0.889, allocations: 151.3 kB / 1.121 GB, free: 15.67 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000867/0.8899, allocations: 332.6 kB / 1.121 GB, free: 15.63 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01988/0.9098, allocations: 6.962 MB / 1.128 GB, free: 10.23 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 0.04865/0.9585, allocations: 26.58 MB / 1.154 GB, free: 14.18 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009316/0.9678, allocations: 4.976 MB / 1.159 GB, free: 8.891 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006433/0.9743, allocations: 2.596 MB / 1.162 GB, free: 6.277 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003979/0.9748, allocations: 143 kB / 1.162 GB, free: 6.121 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.876e-05/0.9748, allocations: 56.56 kB / 1.162 GB, free: 6.055 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=208): time 5.461e-06/0.9749, allocations: 0 / 1.162 GB, free: 6.055 MB / 0.7292 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 0.1112/1.086, allocations: 30.97 MB / 1.192 GB, free: 6.992 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001505/1.086, allocations: 247.5 kB / 1.192 GB, free: 6.703 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002641/1.089, allocations: 1.388 MB / 1.194 GB, free: 5.305 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006269/1.09, allocations: 69.7 kB / 1.194 GB, free: 5.23 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001171/1.091, allocations: 1.482 MB / 1.195 GB, free: 3.727 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001473/1.092, allocations: 0.9204 MB / 1.196 GB, free: 2.793 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006221/1.093, allocations: 64 kB / 1.196 GB, free: 2.73 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0003581/1.093, allocations: 440.7 kB / 1.196 GB, free: 2.293 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006319/1.1, allocations: 2.641 MB / 1.199 GB, free: 15.65 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006919/1.107, allocations: 3.544 MB / 1.202 GB, free: 11.73 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01353/1.12, allocations: 6.367 MB / 1.209 GB, free: 4.961 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.45e-05/1.12, allocations: 12 kB / 1.209 GB, free: 4.949 MB / 0.7761 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 0.03319/1.153, allocations: 11.01 MB / 1.219 GB, free: 9.828 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0008845/1.154, allocations: 0.8667 MB / 1.22 GB, free: 8.582 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.437e-05/1.154, allocations: 27.94 kB / 1.22 GB, free: 8.555 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02222/1.177, allocations: 5.887 MB / 1.226 GB, free: 2.652 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004526/1.181, allocations: 0.9867 MB / 1.227 GB, free: 1.664 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.043/1.224, allocations: 25.89 MB / 1.252 GB, free: 7.316 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004605/1.229, allocations: 0.5459 MB / 1.253 GB, free: 6.77 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008023/1.23, allocations: 151.9 kB / 1.253 GB, free: 6.621 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.16e-05/1.23, allocations: 4 kB / 1.253 GB, free: 6.617 MB / 0.823 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 0.008254/1.238, allocations: 3.087 MB / 1.256 GB, free: 3.504 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated