Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.61/2.61, allocations: 287.5 MB / 302.4 MB, free: 8.336 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001474/0.001475, allocations: 182.2 kB / 371 MB, free: 10.91 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.151/2.151, allocations: 205.4 MB / 0.6297 GB, free: 10.64 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008973/0.000897, allocations: 93.05 kB / 0.743 GB, free: 6.648 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005346/0.0005349, allocations: 15.16 kB / 0.8658 GB, free: 140.5 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2381/0.2387, allocations: 115.3 MB / 0.9784 GB, free: 28.4 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02434/0.2631, allocations: 16.54 MB / 0.9945 GB, free: 11.8 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.01424/0.2774, allocations: 6.481 MB / 1.001 GB, free: 5.301 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001992/0.2794, allocations: 43.88 kB / 1.001 GB, free: 5.258 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001779/0.2813, allocations: 377.3 kB / 1.001 GB, free: 4.887 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.004428/0.2857, allocations: 1.136 MB / 1.002 GB, free: 3.746 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00366/0.2894, allocations: 0.7659 MB / 1.003 GB, free: 2.98 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.01028/0.2998, allocations: 6.497 MB / 1.009 GB, free: 12.47 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01869/0.3185, allocations: 7.455 MB / 1.017 GB, free: 4.961 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004799/0.3234, allocations: 1.705 MB / 1.018 GB, free: 3.25 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006641/0.3301, allocations: 2.606 MB / 1.021 GB, free: 0.6367 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.001515/0.3316, allocations: 240 kB / 1.021 GB, free: 412 kB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003789/0.3355, allocations: 0.6829 MB / 1.022 GB, free: 15.72 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.00427/0.3398, allocations: 1.883 MB / 1.024 GB, free: 13.83 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.002275/0.3421, allocations: 0.6952 MB / 1.024 GB, free: 13.13 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.01188/0.354, allocations: 6.452 MB / 1.031 GB, free: 6.66 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 7.134e-06/0.3541, allocations: 0 / 1.031 GB, free: 6.66 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.506e-06/0.3541, allocations: 0 / 1.031 GB, free: 6.66 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002536/0.3544, allocations: 0 / 1.031 GB, free: 6.66 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 0.01217/0.3666, allocations: 3.14 MB / 1.034 GB, free: 3.461 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.414e-05/0.3666, allocations: 12.02 kB / 1.034 GB, free: 3.449 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02272/0.3894, allocations: 2.355 MB / 1.036 GB, free: 1.086 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007496/0.3969, allocations: 2.127 MB / 1.038 GB, free: 14.91 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004179/0.3974, allocations: 271.1 kB / 1.038 GB, free: 14.64 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00182/0.3992, allocations: 348 kB / 1.039 GB, free: 14.3 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02739/0.4266, allocations: 7.1 MB / 1.046 GB, free: 7.102 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001681/0.4269, allocations: 3.938 kB / 1.046 GB, free: 7.098 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001514/0.4284, allocations: 148 kB / 1.046 GB, free: 6.953 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009278/0.4294, allocations: 330.1 kB / 1.046 GB, free: 6.629 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02981/0.4592, allocations: 6.985 MB / 1.053 GB, free: 15.62 MB / 0.6823 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 0.6998/1.159, allocations: 26.68 MB / 1.079 GB, free: 71.71 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01618/1.175, allocations: 4.978 MB / 1.084 GB, free: 68.99 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01172/1.187, allocations: 2.6 MB / 1.086 GB, free: 68.23 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005624/1.188, allocations: 137.7 kB / 1.087 GB, free: 68.13 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.418e-05/1.188, allocations: 59.41 kB / 1.087 GB, free: 68.07 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 5.501e-06/1.188, allocations: 0 / 1.087 GB, free: 68.07 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.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 0.2007/1.388, allocations: 30.97 MB / 1.117 GB, free: 56.41 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001408/1.389, allocations: 236.3 kB / 1.117 GB, free: 56.16 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002971/1.392, allocations: 1.438 MB / 1.118 GB, free: 55.38 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007125/1.392, allocations: 76.95 kB / 1.119 GB, free: 55.31 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001109/1.394, allocations: 1.5 MB / 1.12 GB, free: 54 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001401/1.395, allocations: 0.9197 MB / 1.121 GB, free: 53.2 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004292/1.395, allocations: 67.19 kB / 1.121 GB, free: 53.15 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.000211/1.396, allocations: 438.6 kB / 1.121 GB, free: 52.75 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01029/1.406, allocations: 2.643 MB / 1.124 GB, free: 51.39 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01099/1.417, allocations: 3.544 MB / 1.127 GB, free: 48.88 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01082/1.428, allocations: 3.091 MB / 1.13 GB, free: 46.62 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.699e-05/1.428, allocations: 8 kB / 1.13 GB, free: 46.62 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.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 0.04922/1.477, allocations: 11 MB / 1.141 GB, free: 35.52 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000545/1.478, allocations: 0.8655 MB / 1.142 GB, free: 34.29 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.969e-05/1.478, allocations: 29.02 kB / 1.142 GB, free: 34.26 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03782/1.516, allocations: 5.889 MB / 1.148 GB, free: 28.35 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007735/1.523, allocations: 0.9828 MB / 1.149 GB, free: 27.37 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06225/1.586, allocations: 25.9 MB / 1.174 GB, free: 1.043 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007248/1.593, allocations: 0.5459 MB / 1.175 GB, free: 0.4961 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006385/1.594, allocations: 153.5 kB / 1.175 GB, free: 356 kB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.355e-05/1.594, allocations: 9.203 kB / 1.175 GB, free: 348 kB / 0.6823 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 0.01285/1.607, allocations: 3.094 MB / 1.178 GB, free: 13.22 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated