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 1.363/1.363, allocations: 251.5 MB / 267.4 MB, free: 11.07 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009291/0.0009291, allocations: 176.9 kB / 326.5 MB, free: 2.695 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.674/1.674, allocations: 205 MB / 0.5767 GB, free: 20.99 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007171/0.0007171, allocations: 86.36 kB / 0.6804 GB, free: 14.73 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.000345/0.0003449, allocations: 9.656 kB / 0.7938 GB, free: 136.5 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2236/0.224, allocations: 105.4 MB / 0.8968 GB, free: 68.16 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01479/0.2388, allocations: 17.79 MB / 0.9142 GB, free: 50.3 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.009184/0.2481, allocations: 6.907 MB / 0.9209 GB, free: 43.37 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001286/0.2494, allocations: 43.88 kB / 0.9209 GB, free: 43.33 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.002665/0.2521, allocations: 1.337 MB / 0.9223 GB, free: 41.99 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.002233/0.2543, allocations: 1.331 MB / 0.9236 GB, free: 40.65 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002345/0.2567, allocations: 1.176 MB / 0.9247 GB, free: 39.48 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005703/0.2624, allocations: 8.499 MB / 0.933 GB, free: 30.96 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008276/0.2707, allocations: 7.909 MB / 0.9407 GB, free: 22.95 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002718/0.2734, allocations: 1.709 MB / 0.9424 GB, free: 21.23 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003386/0.2768, allocations: 2.648 MB / 0.945 GB, free: 18.57 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.000535/0.2774, allocations: 240 kB / 0.9452 GB, free: 18.34 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002267/0.2796, allocations: 1.178 MB / 0.9464 GB, free: 17.16 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001556/0.2812, allocations: 1.879 MB / 0.9482 GB, free: 15.28 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001583/0.2828, allocations: 1.776 MB / 0.9499 GB, free: 13.49 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.005778/0.2886, allocations: 7.422 MB / 0.9572 GB, free: 6.047 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 5.521e-06/0.2886, allocations: 0 / 0.9572 GB, free: 6.047 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.895e-06/0.2886, allocations: 0 / 0.9572 GB, free: 6.047 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0001955/0.2888, allocations: 0 / 0.9572 GB, free: 6.047 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 0.005822/0.2947, allocations: 3.097 MB / 0.9602 GB, free: 2.891 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.066e-05/0.2947, allocations: 15.97 kB / 0.9602 GB, free: 2.875 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01087/0.3056, allocations: 2.356 MB / 0.9625 GB, free: 0.5117 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004984/0.3106, allocations: 2.159 MB / 0.9646 GB, free: 14.3 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002098/0.3108, allocations: 275.5 kB / 0.9649 GB, free: 14.04 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007932/0.3116, allocations: 355.9 kB / 0.9652 GB, free: 13.69 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01405/0.3257, allocations: 7.12 MB / 0.9722 GB, free: 6.465 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.816e-05/0.3258, allocations: 4 kB / 0.9722 GB, free: 6.461 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004052/0.3262, allocations: 152 kB / 0.9723 GB, free: 6.312 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004415/0.3267, allocations: 334.1 kB / 0.9726 GB, free: 5.984 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01519/0.3419, allocations: 7.005 MB / 0.9795 GB, free: 14.96 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 0.03357/0.3755, allocations: 26.72 MB / 1.006 GB, free: 2.062 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007901/0.3834, allocations: 4.994 MB / 1.01 GB, free: 12.77 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005304/0.3887, allocations: 2.6 MB / 1.013 GB, free: 10.14 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002288/0.389, allocations: 127 kB / 1.013 GB, free: 10 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.578e-05/0.389, allocations: 60.5 kB / 1.013 GB, free: 9.934 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 4.829e-06/0.3891, allocations: 0 / 1.013 GB, free: 9.934 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 0.09584/0.4849, allocations: 31.04 MB / 1.043 GB, free: 10.81 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001165/0.4851, allocations: 231.6 kB / 1.044 GB, free: 10.54 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002144/0.4872, allocations: 1.442 MB / 1.045 GB, free: 9.086 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005437/0.4878, allocations: 73.7 kB / 1.045 GB, free: 9.008 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001018/0.4888, allocations: 1.493 MB / 1.047 GB, free: 7.492 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009153/0.4897, allocations: 0.9165 MB / 1.048 GB, free: 6.562 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003995/0.4901, allocations: 264.4 kB / 1.048 GB, free: 6.297 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0001216/0.4903, allocations: 305.1 kB / 1.048 GB, free: 5.996 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005556/0.4958, allocations: 2.656 MB / 1.051 GB, free: 3.336 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.412/0.9078, allocations: 3.55 MB / 1.054 GB, free: 141 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.013/0.9209, allocations: 6.389 MB / 1.06 GB, free: 139.9 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.054e-05/0.9209, allocations: 11.16 kB / 1.06 GB, free: 139.9 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 0.0323/0.9532, allocations: 11.06 MB / 1.071 GB, free: 138.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005902/0.9538, allocations: 0.866 MB / 1.072 GB, free: 137.1 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.047e-05/0.9539, allocations: 27.09 kB / 1.072 GB, free: 137.1 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02007/0.974, allocations: 5.885 MB / 1.078 GB, free: 136.4 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003955/0.978, allocations: 0.9859 MB / 1.079 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03388/1.012, allocations: 25.9 MB / 1.104 GB, free: 116.6 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00411/1.016, allocations: 0.5567 MB / 1.105 GB, free: 116.1 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004052/1.016, allocations: 155.9 kB / 1.105 GB, free: 115.9 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 8.776e-06/1.016, allocations: 4 kB / 1.105 GB, free: 115.9 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 0.00584/1.022, allocations: 3.095 MB / 1.108 GB, free: 112.8 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated