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.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.646/1.646, allocations: 287.4 MB / 303.2 MB, free: 8.305 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001009/0.001009, allocations: 172.8 kB / 371.8 MB, free: 10.83 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.665/1.665, allocations: 205.4 MB / 0.6305 GB, free: 10.54 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007855/0.0007855, allocations: 97.48 kB / 0.7438 GB, free: 6.539 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003994/0.0003994, allocations: 20.59 kB / 0.8667 GB, free: 140.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2514/0.2518, allocations: 115.3 MB / 0.9793 GB, free: 28.16 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01421/0.266, allocations: 16.47 MB / 0.9954 GB, free: 11.63 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.009422/0.2755, allocations: 6.469 MB / 1.002 GB, free: 5.148 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001496/0.2771, allocations: 47.81 kB / 1.002 GB, free: 5.102 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008465/0.2779, allocations: 369.4 kB / 1.002 GB, free: 4.738 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.002585/0.2805, allocations: 1.125 MB / 1.003 GB, free: 3.609 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00221/0.2827, allocations: 0.7699 MB / 1.004 GB, free: 2.84 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.006977/0.2897, allocations: 6.477 MB / 1.01 GB, free: 12.35 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01202/0.3018, allocations: 8.218 MB / 1.018 GB, free: 4.043 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003458/0.3053, allocations: 1.705 MB / 1.02 GB, free: 2.332 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004403/0.3097, allocations: 2.594 MB / 1.023 GB, free: 15.73 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006994/0.3104, allocations: 236 kB / 1.023 GB, free: 15.5 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002061/0.3125, allocations: 0.679 MB / 1.023 GB, free: 14.82 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.002158/0.3146, allocations: 1.875 MB / 1.025 GB, free: 12.94 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.0009777/0.3156, allocations: 0.6875 MB / 1.026 GB, free: 12.25 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.006752/0.3224, allocations: 6.409 MB / 1.032 GB, free: 5.82 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 7.695e-06/0.3224, allocations: 4 kB / 1.032 GB, free: 5.816 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.274e-06/0.3224, allocations: 0 / 1.032 GB, free: 5.816 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001929/0.3226, allocations: 0 / 1.032 GB, free: 5.816 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.007779/0.3304, allocations: 3.074 MB / 1.035 GB, free: 2.684 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 6.03e-05/0.3305, allocations: 11.97 kB / 1.035 GB, free: 2.672 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.012/0.3425, allocations: 2.337 MB / 1.037 GB, free: 336 kB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00596/0.3485, allocations: 2.155 MB / 1.04 GB, free: 14.13 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003555/0.3489, allocations: 263.4 kB / 1.04 GB, free: 13.87 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002027/0.351, allocations: 347.9 kB / 1.04 GB, free: 13.53 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0169/0.3679, allocations: 7.071 MB / 1.047 GB, free: 6.355 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.737e-05/0.368, allocations: 0 / 1.047 GB, free: 6.355 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004177/0.3684, allocations: 148 kB / 1.047 GB, free: 6.211 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004981/0.3689, allocations: 338 kB / 1.048 GB, free: 5.879 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0169/0.3858, allocations: 6.965 MB / 1.054 GB, free: 14.9 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 0.5787/0.9645, allocations: 26.56 MB / 1.08 GB, free: 71.7 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009606/0.9742, allocations: 4.977 MB / 1.085 GB, free: 68.98 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007134/0.9813, allocations: 2.612 MB / 1.088 GB, free: 68.22 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003203/0.9817, allocations: 128.8 kB / 1.088 GB, free: 68.12 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.563e-05/0.9818, allocations: 56.81 kB / 1.088 GB, free: 68.06 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 5.981e-06/0.9818, allocations: 0 / 1.088 GB, free: 68.06 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 0.1063/1.088, allocations: 30.95 MB / 1.118 GB, free: 56.34 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.909e-05/1.088, allocations: 242.9 kB / 1.118 GB, free: 56.08 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002007/1.09, allocations: 1.39 MB / 1.12 GB, free: 55.33 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005861/1.091, allocations: 72.41 kB / 1.12 GB, free: 55.26 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008063/1.092, allocations: 1.482 MB / 1.121 GB, free: 53.96 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001011/1.093, allocations: 0.9221 MB / 1.122 GB, free: 53.17 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000205/1.093, allocations: 63 kB / 1.122 GB, free: 53.12 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001697/1.093, allocations: 445.2 kB / 1.123 GB, free: 52.71 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005375/1.098, allocations: 2.641 MB / 1.125 GB, free: 51.35 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005926/1.104, allocations: 3.54 MB / 1.129 GB, free: 48.84 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01112/1.116, allocations: 6.369 MB / 1.135 GB, free: 42.77 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.527e-05/1.116, allocations: 11.94 kB / 1.135 GB, free: 42.75 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 0.02527/1.141, allocations: 11 MB / 1.146 GB, free: 31.65 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005256/1.141, allocations: 0.8685 MB / 1.146 GB, free: 30.41 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.505e-05/1.142, allocations: 24 kB / 1.146 GB, free: 30.39 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01951/1.161, allocations: 5.874 MB / 1.152 GB, free: 24.5 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004132/1.165, allocations: 0.9905 MB / 1.153 GB, free: 23.5 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03558/1.201, allocations: 25.89 MB / 1.178 GB, free: 13.2 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004731/1.206, allocations: 0.5497 MB / 1.179 GB, free: 12.64 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004924/1.206, allocations: 152 kB / 1.179 GB, free: 12.5 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.075e-05/1.206, allocations: 7.938 kB / 1.179 GB, free: 12.49 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 0.006954/1.213, allocations: 3.094 MB / 1.182 GB, free: 9.371 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated