Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.401/2.401, allocations: 251.3 MB / 266.2 MB, free: 11.52 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001281/0.00128, allocations: 185.7 kB / 325.8 MB, free: 2.785 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.475/2.475, allocations: 205.4 MB / 0.5767 GB, free: 21.1 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009245/0.0009242, allocations: 87.8 kB / 0.6812 GB, free: 13.96 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004734/0.0004735, allocations: 11.41 kB / 0.7953 GB, free: 135.9 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2201/0.2206, allocations: 106.3 MB / 0.8991 GB, free: 65.83 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02387/0.2445, allocations: 16.55 MB / 0.9152 GB, free: 49.22 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01343/0.258, allocations: 6.493 MB / 0.9216 GB, free: 42.71 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001886/0.2599, allocations: 43.88 kB / 0.9216 GB, free: 42.67 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001224/0.2612, allocations: 373.3 kB / 0.922 GB, free: 42.3 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003656/0.2649, allocations: 1.136 MB / 0.9231 GB, free: 41.16 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002962/0.2679, allocations: 0.7697 MB / 0.9238 GB, free: 40.39 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.01007/0.278, allocations: 6.5 MB / 0.9302 GB, free: 33.88 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02028/0.2983, allocations: 7.741 MB / 0.9377 GB, free: 26.07 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004324/0.3027, allocations: 1.697 MB / 0.9394 GB, free: 24.36 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006007/0.3087, allocations: 2.602 MB / 0.9419 GB, free: 21.75 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009244/0.3097, allocations: 240 kB / 0.9422 GB, free: 21.52 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002927/0.3126, allocations: 0.6867 MB / 0.9428 GB, free: 20.83 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003444/0.3161, allocations: 1.887 MB / 0.9447 GB, free: 18.94 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.00159/0.3177, allocations: 0.6953 MB / 0.9454 GB, free: 18.24 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.009289/0.3271, allocations: 6.436 MB / 0.9516 GB, free: 11.79 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 6.843e-06/0.3271, allocations: 0 / 0.9516 GB, free: 11.79 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 4.379e-06/0.3271, allocations: 0 / 0.9516 GB, free: 11.79 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002354/0.3274, allocations: 0 / 0.9516 GB, free: 11.79 MB / 0.6042 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 0.01014/0.3375, allocations: 3.149 MB / 0.9547 GB, free: 8.578 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.356e-05/0.3376, allocations: 8.031 kB / 0.9547 GB, free: 8.57 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02139/0.359, allocations: 2.353 MB / 0.957 GB, free: 6.211 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00647/0.3655, allocations: 2.132 MB / 0.9591 GB, free: 4.031 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002577/0.3658, allocations: 267.5 kB / 0.9594 GB, free: 3.77 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001452/0.3673, allocations: 351.9 kB / 0.9597 GB, free: 3.426 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02376/0.3911, allocations: 7.096 MB / 0.9666 GB, free: 12.23 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001293/0.3913, allocations: 11.84 kB / 0.9666 GB, free: 12.22 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008484/0.3921, allocations: 148 kB / 0.9668 GB, free: 12.07 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008135/0.3929, allocations: 330.1 kB / 0.9671 GB, free: 11.75 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0294/0.4224, allocations: 6.981 MB / 0.9739 GB, free: 4.754 MB / 0.6198 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 0.05765/0.4801, allocations: 26.71 MB / 1 GB, free: 7.855 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02034/0.5005, allocations: 4.979 MB / 1.005 GB, free: 2.574 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.015/0.5155, allocations: 2.608 MB / 1.007 GB, free: 15.94 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005808/0.5162, allocations: 127 kB / 1.008 GB, free: 15.8 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.372e-05/0.5163, allocations: 56.56 kB / 1.008 GB, free: 15.73 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 7.264e-06/0.5163, allocations: 4 kB / 1.008 GB, free: 15.73 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 0.2323/0.7486, allocations: 30.98 MB / 1.038 GB, free: 0.6719 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001835/0.7488, allocations: 239.6 kB / 1.038 GB, free: 396 kB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003497/0.7523, allocations: 1.43 MB / 1.039 GB, free: 14.95 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.000716/0.7531, allocations: 73.7 kB / 1.04 GB, free: 14.87 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001708/0.7548, allocations: 1.501 MB / 1.041 GB, free: 13.35 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001849/0.7567, allocations: 0.9243 MB / 1.042 GB, free: 12.41 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005176/0.7573, allocations: 60 kB / 1.042 GB, free: 12.35 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.000367/0.7577, allocations: 444.6 kB / 1.042 GB, free: 11.91 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01173/0.7694, allocations: 2.645 MB / 1.045 GB, free: 9.262 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01295/0.7824, allocations: 3.536 MB / 1.048 GB, free: 5.344 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0129/0.7954, allocations: 3.099 MB / 1.051 GB, free: 2.223 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.843e-05/0.7955, allocations: 4 kB / 1.051 GB, free: 2.219 MB / 0.698 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 0.7049/1.5, allocations: 11 MB / 1.062 GB, free: 137.8 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006726/1.501, allocations: 0.8698 MB / 1.063 GB, free: 136.8 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.592e-05/1.501, allocations: 26.16 kB / 1.063 GB, free: 136.8 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04234/1.544, allocations: 5.878 MB / 1.069 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00827/1.552, allocations: 0.9905 MB / 1.07 GB, free: 136.6 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07089/1.623, allocations: 25.88 MB / 1.095 GB, free: 122.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01117/1.634, allocations: 0.5557 MB / 1.096 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009863/1.635, allocations: 149.9 kB / 1.096 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.552e-05/1.635, allocations: 7.219 kB / 1.096 GB, free: 122.6 MB / 0.698 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 0.01243/1.648, allocations: 3.095 MB / 1.099 GB, free: 120.6 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated