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.UnbalancedStepDown.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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 1.795/1.795, allocations: 306.1 MB / 321.4 MB, free: 10.74 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 0.001215/0.001214, allocations: 179.2 kB / 393.1 MB, free: 4.082 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 1.491/1.491, 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 0.0008642/0.0008642, allocations: 99.23 kB / 0.7935 GB, free: 40.12 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003716/0.0003716, allocations: 8 kB / 0.9225 GB, free: 8.656 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.667/0.6674, allocations: 121.3 MB / 1.041 GB, free: 58.51 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01781/0.6853, allocations: 16.82 MB / 1.057 GB, free: 47.38 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.01233/0.6976, allocations: 11.09 MB / 1.068 GB, free: 37.41 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00217/0.6999, allocations: 46.56 kB / 1.068 GB, free: 37.4 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.001085/0.701, allocations: 375.2 kB / 1.069 GB, free: 37.2 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.003428/0.7044, allocations: 1.336 MB / 1.07 GB, free: 36.49 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002913/0.7073, allocations: 0.9918 MB / 1.071 GB, free: 35.94 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.007738/0.7151, allocations: 8.497 MB / 1.079 GB, free: 33.41 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01241/0.7275, allocations: 10.95 MB / 1.09 GB, free: 26.75 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004573/0.7321, allocations: 1.728 MB / 1.092 GB, free: 26.09 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007775/0.7399, allocations: 2.637 MB / 1.094 GB, free: 25.16 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.001257/0.7412, allocations: 237.7 kB / 1.094 GB, free: 25.16 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003921/0.7451, allocations: 1.148 MB / 1.095 GB, free: 24.84 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.003845/0.749, allocations: 1.853 MB / 1.097 GB, free: 24.27 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.004679/0.7537, allocations: 1.799 MB / 1.099 GB, free: 23.14 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.01091/0.7646, allocations: 7.422 MB / 1.106 GB, free: 21.52 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 9.638e-06/0.7647, allocations: 1 kB / 1.106 GB, free: 21.52 MB / 0.698 GB
Notification: Performance of FrontEnd: time 2.124e-06/0.7647, allocations: 3.938 kB / 1.106 GB, free: 21.51 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0003085/0.765, allocations: 0 / 1.106 GB, free: 21.51 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.009659/0.7747, allocations: 3.102 MB / 1.109 GB, free: 19.85 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.538e-05/0.7747, allocations: 8.969 kB / 1.109 GB, free: 19.85 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01403/0.7887, allocations: 2.351 MB / 1.112 GB, free: 19.59 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007089/0.7959, allocations: 2.169 MB / 1.114 GB, free: 18.48 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003469/0.7963, allocations: 267.3 kB / 1.114 GB, free: 18.36 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002652/0.7989, allocations: 350.8 kB / 1.114 GB, free: 18.24 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02553/0.8245, allocations: 7.103 MB / 1.121 GB, free: 15.83 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.928e-05/0.8246, allocations: 6.203 kB / 1.121 GB, free: 15.82 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005446/0.8252, allocations: 151.5 kB / 1.121 GB, free: 15.71 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006306/0.8258, allocations: 335.6 kB / 1.122 GB, free: 15.67 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0171/0.8429, allocations: 6.979 MB / 1.129 GB, free: 10.29 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 0.04157/0.8845, allocations: 26.71 MB / 1.155 GB, free: 13.68 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009366/0.8939, allocations: 4.979 MB / 1.159 GB, free: 8.379 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006011/0.9, allocations: 2.6 MB / 1.162 GB, free: 5.762 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003413/0.9004, allocations: 127 kB / 1.162 GB, free: 5.621 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.21e-05/0.9004, allocations: 64.5 kB / 1.162 GB, free: 5.547 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=208): time 4.919e-06/0.9005, allocations: 3.938 kB / 1.162 GB, free: 5.543 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 0.1078/1.008, allocations: 31.03 MB / 1.192 GB, free: 6.43 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001515/1.009, allocations: 235.6 kB / 1.193 GB, free: 6.152 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00275/1.011, allocations: 1.43 MB / 1.194 GB, free: 4.715 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008182/1.012, allocations: 69.7 kB / 1.194 GB, free: 4.641 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001135/1.013, allocations: 1.505 MB / 1.196 GB, free: 3.113 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001539/1.015, allocations: 0.9164 MB / 1.197 GB, free: 2.184 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006412/1.015, allocations: 68 kB / 1.197 GB, free: 2.117 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0003574/1.016, allocations: 444.6 kB / 1.197 GB, free: 1.676 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006441/1.022, allocations: 2.653 MB / 1.2 GB, free: 15.02 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006975/1.029, allocations: 3.532 MB / 1.203 GB, free: 11.11 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01309/1.042, allocations: 6.363 MB / 1.209 GB, free: 4.344 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.329e-05/1.042, allocations: 8 kB / 1.209 GB, free: 4.336 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 0.03053/1.073, allocations: 11.01 MB / 1.22 GB, free: 9.219 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001126/1.074, allocations: 0.8787 MB / 1.221 GB, free: 7.965 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.731e-05/1.074, allocations: 24 kB / 1.221 GB, free: 7.941 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02206/1.096, allocations: 5.887 MB / 1.227 GB, free: 2.043 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004492/1.101, allocations: 0.9828 MB / 1.228 GB, free: 1.059 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04491/1.146, allocations: 25.9 MB / 1.253 GB, free: 6.711 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005217/1.151, allocations: 0.5536 MB / 1.253 GB, free: 6.156 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001042/1.152, allocations: 151.9 kB / 1.254 GB, free: 6.008 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.481e-05/1.152, allocations: 4 kB / 1.254 GB, free: 6.004 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 0.008637/1.161, allocations: 3.083 MB / 1.257 GB, free: 2.895 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated