Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.747/1.747, allocations: 288.4 MB / 304.3 MB, free: 8.07 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009534/0.0009536, allocations: 191.3 kB / 372.9 MB, free: 10.15 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.626/1.626, allocations: 205.4 MB / 0.6316 GB, free: 9.91 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007415/0.0007414, allocations: 94.2 kB / 0.745 GB, free: 5.812 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004554/0.0004558, allocations: 11.78 kB / 0.8681 GB, free: 141.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2348/0.2352, allocations: 115.3 MB / 0.9808 GB, free: 27.32 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01422/0.2495, allocations: 16.55 MB / 0.9969 GB, free: 10.71 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.009246/0.2588, allocations: 6.536 MB / 1.003 GB, free: 4.16 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001816/0.2607, allocations: 43.88 kB / 1.003 GB, free: 4.117 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001012/0.2617, allocations: 373.3 kB / 1.004 GB, free: 3.75 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.002975/0.2647, allocations: 1.241 MB / 1.005 GB, free: 2.504 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002363/0.2671, allocations: 0.8168 MB / 1.006 GB, free: 1.688 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.007026/0.2741, allocations: 6.501 MB / 1.012 GB, free: 11.17 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01212/0.2863, allocations: 8.255 MB / 1.02 GB, free: 2.828 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003346/0.2896, allocations: 1.701 MB / 1.022 GB, free: 1.121 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004961/0.2946, allocations: 2.614 MB / 1.024 GB, free: 14.5 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.000959/0.2956, allocations: 240 kB / 1.025 GB, free: 14.27 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002923/0.2985, allocations: 1.139 MB / 1.026 GB, free: 13.12 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.002494/0.3011, allocations: 1.883 MB / 1.028 GB, free: 11.24 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.003118/0.3042, allocations: 1.725 MB / 1.029 GB, free: 9.5 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.008072/0.3123, allocations: 6.468 MB / 1.036 GB, free: 3.016 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 6.732e-06/0.3123, allocations: 0 / 1.036 GB, free: 3.016 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.356e-06/0.3123, allocations: 0 / 1.036 GB, free: 3.016 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002308/0.3126, allocations: 0 / 1.036 GB, free: 3.016 MB / 0.6511 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 0.008187/0.3208, allocations: 3.105 MB / 1.039 GB, free: 15.85 MB / 0.6667 GB
Notification: Performance of prepare preOptimizeDAE: time 4.839e-05/0.3208, allocations: 8.031 kB / 1.039 GB, free: 15.84 MB / 0.6667 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0122/0.333, allocations: 2.352 MB / 1.041 GB, free: 13.48 MB / 0.6667 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005223/0.3383, allocations: 2.163 MB / 1.043 GB, free: 11.28 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002399/0.3386, allocations: 271.5 kB / 1.043 GB, free: 11.01 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001191/0.3398, allocations: 351.9 kB / 1.044 GB, free: 10.67 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01637/0.3561, allocations: 7.096 MB / 1.051 GB, free: 3.469 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.839e-05/0.3562, allocations: 3.938 kB / 1.051 GB, free: 3.465 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004395/0.3567, allocations: 155.9 kB / 1.051 GB, free: 3.312 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004698/0.3572, allocations: 334.1 kB / 1.051 GB, free: 2.984 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01764/0.3748, allocations: 6.977 MB / 1.058 GB, free: 12 MB / 0.6823 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.536/0.9108, allocations: 26.65 MB / 1.084 GB, free: 69.21 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009816/0.9207, allocations: 4.984 MB / 1.089 GB, free: 66.46 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006768/0.9275, allocations: 2.596 MB / 1.091 GB, free: 65.7 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000326/0.9279, allocations: 128.1 kB / 1.091 GB, free: 65.61 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.205e-05/0.9279, allocations: 71.81 kB / 1.091 GB, free: 65.54 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 5.941e-06/0.928, allocations: 0 / 1.091 GB, free: 65.54 MB / 0.6823 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.conv2.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.conv2.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 0.1065/1.034, allocations: 30.98 MB / 1.122 GB, free: 52.84 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.893e-05/1.035, allocations: 241.9 kB / 1.122 GB, free: 52.59 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001885/1.036, allocations: 1.44 MB / 1.123 GB, free: 51.81 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.000545/1.037, allocations: 65.2 kB / 1.123 GB, free: 51.75 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006576/1.038, allocations: 1.498 MB / 1.125 GB, free: 50.43 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008129/1.038, allocations: 0.9239 MB / 1.126 GB, free: 49.64 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002084/1.039, allocations: 68.42 kB / 1.126 GB, free: 49.59 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001772/1.039, allocations: 444.1 kB / 1.126 GB, free: 49.18 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005072/1.044, allocations: 2.64 MB / 1.129 GB, free: 47.82 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005601/1.05, allocations: 3.544 MB / 1.132 GB, free: 45.3 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01104/1.061, allocations: 6.359 MB / 1.138 GB, free: 38.95 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.048e-05/1.061, allocations: 12 kB / 1.138 GB, free: 38.94 MB / 0.6823 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.conv2.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.conv2.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 0.02558/1.086, allocations: 11.01 MB / 1.149 GB, free: 27.84 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00043/1.087, allocations: 0.8704 MB / 1.15 GB, free: 26.59 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.861e-05/1.087, allocations: 24 kB / 1.15 GB, free: 26.57 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0197/1.107, allocations: 5.879 MB / 1.156 GB, free: 20.67 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00407/1.111, allocations: 0.9867 MB / 1.157 GB, free: 19.68 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0354/1.146, allocations: 25.85 MB / 1.182 GB, free: 9.41 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004444/1.151, allocations: 0.5537 MB / 1.183 GB, free: 8.855 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004351/1.151, allocations: 151.9 kB / 1.183 GB, free: 8.707 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 7.985e-06/1.151, allocations: 0 / 1.183 GB, free: 8.707 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 0.006608/1.158, allocations: 3.083 MB / 1.186 GB, free: 5.598 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated