Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_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_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.402/1.402, allocations: 252 MB / 268 MB, free: 10.85 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001114/0.001114, allocations: 175.6 kB / 327.6 MB, free: 2.098 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.823/1.823, allocations: 205.4 MB / 0.5786 GB, free: 20.12 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008474/0.0008473, allocations: 85.45 kB / 0.6832 GB, free: 12.75 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003318/0.0003319, allocations: 8.875 kB / 0.7976 GB, free: 135.1 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2058/0.2062, allocations: 106.3 MB / 0.9015 GB, free: 63.45 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01484/0.2211, allocations: 17.52 MB / 0.9186 GB, free: 45.86 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.009493/0.2306, allocations: 6.826 MB / 0.9253 GB, free: 39.01 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001846/0.2325, allocations: 43.88 kB / 0.9253 GB, free: 38.97 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00136/0.2339, allocations: 377.3 kB / 0.9257 GB, free: 38.6 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.0035/0.2374, allocations: 1.331 MB / 0.927 GB, free: 37.26 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002747/0.2402, allocations: 1.001 MB / 0.928 GB, free: 36.26 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.006553/0.2467, allocations: 8.495 MB / 0.9362 GB, free: 27.75 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01055/0.2573, allocations: 8.345 MB / 0.9444 GB, free: 19.3 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002879/0.2602, allocations: 1.716 MB / 0.9461 GB, free: 17.58 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003789/0.264, allocations: 2.648 MB / 0.9487 GB, free: 14.93 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001114/0.2652, allocations: 236 kB / 0.9489 GB, free: 14.7 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002886/0.2681, allocations: 1.178 MB / 0.95 GB, free: 13.52 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.002472/0.2706, allocations: 1.89 MB / 0.9519 GB, free: 11.62 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.003353/0.2739, allocations: 1.794 MB / 0.9536 GB, free: 9.812 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.00567/0.2796, allocations: 6.472 MB / 0.96 GB, free: 3.324 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/0.2797, allocations: 0 / 0.96 GB, free: 3.324 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.735e-06/0.2797, allocations: 0 / 0.96 GB, free: 3.324 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002061/0.2799, allocations: 0 / 0.96 GB, free: 3.324 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 0.005948/0.2858, allocations: 3.103 MB / 0.963 GB, free: 168 kB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.156e-05/0.2859, allocations: 12.03 kB / 0.963 GB, free: 156 kB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01226/0.2982, allocations: 2.353 MB / 0.9653 GB, free: 13.79 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005034/0.3032, allocations: 2.167 MB / 0.9674 GB, free: 11.58 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000248/0.3035, allocations: 263.5 kB / 0.9677 GB, free: 11.32 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001152/0.3047, allocations: 355.9 kB / 0.968 GB, free: 10.97 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01535/0.32, allocations: 7.12 MB / 0.9749 GB, free: 3.75 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.679e-05/0.3201, allocations: 7.938 kB / 0.975 GB, free: 3.742 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004312/0.3206, allocations: 148 kB / 0.9751 GB, free: 3.598 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004846/0.3211, allocations: 338.1 kB / 0.9754 GB, free: 3.266 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01646/0.3375, allocations: 7.001 MB / 0.9823 GB, free: 12.24 MB / 0.6355 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 0.03538/0.373, allocations: 26.71 MB / 1.008 GB, free: 15.35 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00826/0.3812, allocations: 4.998 MB / 1.013 GB, free: 10.05 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005814/0.3871, allocations: 2.596 MB / 1.016 GB, free: 7.434 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002479/0.3874, allocations: 127 kB / 1.016 GB, free: 7.293 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.801e-05/0.3874, allocations: 60.56 kB / 1.016 GB, free: 7.223 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.47e-06/0.3874, allocations: 3.984 kB / 1.016 GB, free: 7.219 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 0.1077/0.4951, allocations: 31.03 MB / 1.046 GB, free: 8.094 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001636/0.4953, allocations: 243.5 kB / 1.046 GB, free: 7.809 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002406/0.4977, allocations: 1.434 MB / 1.048 GB, free: 6.367 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.000563/0.4983, allocations: 73.7 kB / 1.048 GB, free: 6.289 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001065/0.4994, allocations: 1.497 MB / 1.049 GB, free: 4.77 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009973/0.5004, allocations: 0.9243 MB / 1.05 GB, free: 3.832 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00025/0.5006, allocations: 64 kB / 1.05 GB, free: 3.77 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0002204/0.5009, allocations: 444.6 kB / 1.051 GB, free: 3.328 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005769/0.5066, allocations: 2.656 MB / 1.053 GB, free: 0.668 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.3755/0.8821, allocations: 3.548 MB / 1.057 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01267/0.8948, allocations: 6.382 MB / 1.063 GB, free: 135.6 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.713e-05/0.8949, allocations: 8.219 kB / 1.063 GB, free: 135.6 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 0.03076/0.9257, allocations: 11.04 MB / 1.074 GB, free: 134.9 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005015/0.9262, allocations: 0.8649 MB / 1.075 GB, free: 133.8 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.617e-05/0.9262, allocations: 25.94 kB / 1.075 GB, free: 133.8 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02043/0.9467, allocations: 5.895 MB / 1.081 GB, free: 133 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004241/0.951, allocations: 0.983 MB / 1.081 GB, free: 132.8 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03402/0.985, allocations: 25.94 MB / 1.107 GB, free: 112.4 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00423/0.9893, allocations: 0.5438 MB / 1.107 GB, free: 111.9 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004211/0.9897, allocations: 155.9 kB / 1.107 GB, free: 111.7 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.022e-05/0.9898, allocations: 4 kB / 1.107 GB, free: 111.7 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 0.005908/0.9957, allocations: 3.101 MB / 1.111 GB, free: 108.6 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated