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.UnbalancedStepDown.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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.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.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.745/1.745, allocations: 288.4 MB / 304.3 MB, free: 8.062 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001525/0.001526, allocations: 179.1 kB / 372.9 MB, free: 10.16 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.427/1.427, allocations: 205.4 MB / 0.6316 GB, free: 9.898 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008447/0.0008447, allocations: 112 kB / 0.745 GB, free: 5.801 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.000436/0.000436, allocations: 15.06 kB / 0.8682 GB, free: 141.9 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2341/0.2346, allocations: 115.3 MB / 0.9808 GB, free: 27.33 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01399/0.2486, allocations: 16.55 MB / 0.9969 GB, free: 10.71 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.009777/0.2585, allocations: 6.489 MB / 1.003 GB, free: 4.211 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002031/0.2606, allocations: 43.88 kB / 1.003 GB, free: 4.168 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001507/0.2621, allocations: 369.3 kB / 1.004 GB, free: 3.805 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.004521/0.2666, allocations: 1.226 MB / 1.005 GB, free: 2.574 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003595/0.2703, allocations: 0.8237 MB / 1.006 GB, free: 1.75 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.008406/0.2787, allocations: 6.489 MB / 1.012 GB, free: 11.25 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01382/0.2926, allocations: 8.266 MB / 1.02 GB, free: 2.891 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003907/0.2965, allocations: 1.701 MB / 1.022 GB, free: 1.184 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005299/0.3018, allocations: 2.606 MB / 1.024 GB, free: 14.57 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.001304/0.3032, allocations: 240 kB / 1.025 GB, free: 14.34 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003483/0.3067, allocations: 1.143 MB / 1.026 GB, free: 13.19 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.004513/0.3112, allocations: 1.879 MB / 1.027 GB, free: 11.31 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.004943/0.3162, allocations: 1.729 MB / 1.029 GB, free: 9.566 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.009219/0.3254, allocations: 6.468 MB / 1.035 GB, free: 3.082 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 9.448e-06/0.3255, allocations: 0 / 1.035 GB, free: 3.082 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.515e-06/0.3255, allocations: 4 kB / 1.035 GB, free: 3.078 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.000316/0.3258, allocations: 0 / 1.035 GB, free: 3.078 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 0.01024/0.3361, allocations: 3.101 MB / 1.039 GB, free: 15.91 MB / 0.6667 GB
Notification: Performance of prepare preOptimizeDAE: time 6.018e-05/0.3361, allocations: 8.031 kB / 1.039 GB, free: 15.91 MB / 0.6667 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01309/0.3492, allocations: 2.345 MB / 1.041 GB, free: 13.55 MB / 0.6667 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005469/0.3548, allocations: 2.167 MB / 1.043 GB, free: 11.34 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003038/0.3551, allocations: 267.5 kB / 1.043 GB, free: 11.08 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001818/0.357, allocations: 355.9 kB / 1.044 GB, free: 10.73 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02067/0.3776, allocations: 7.104 MB / 1.05 GB, free: 3.527 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001646/0.3779, allocations: 0 / 1.05 GB, free: 3.527 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001354/0.3792, allocations: 148 kB / 1.051 GB, free: 3.383 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005691/0.3798, allocations: 338.1 kB / 1.051 GB, free: 3.051 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01803/0.3979, allocations: 6.981 MB / 1.058 GB, free: 12.05 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 0.6199/1.018, allocations: 26.7 MB / 1.084 GB, free: 69.21 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009776/1.028, allocations: 4.979 MB / 1.089 GB, free: 66.48 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006808/1.035, allocations: 2.6 MB / 1.091 GB, free: 65.71 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002919/1.035, allocations: 139.5 kB / 1.091 GB, free: 65.61 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.566e-05/1.035, allocations: 59.36 kB / 1.091 GB, free: 65.55 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 5.14e-06/1.035, allocations: 0 / 1.091 GB, free: 65.55 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 0.1069/1.142, allocations: 30.99 MB / 1.122 GB, free: 52.82 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001014/1.142, allocations: 240.2 kB / 1.122 GB, free: 52.57 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001995/1.144, allocations: 1.435 MB / 1.123 GB, free: 51.8 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005682/1.145, allocations: 69.33 kB / 1.123 GB, free: 51.73 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006525/1.145, allocations: 1.496 MB / 1.125 GB, free: 50.42 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000752/1.146, allocations: 0.9292 MB / 1.126 GB, free: 49.62 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002167/1.146, allocations: 67.25 kB / 1.126 GB, free: 49.57 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001437/1.146, allocations: 437.9 kB / 1.126 GB, free: 49.17 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005258/1.152, allocations: 2.646 MB / 1.129 GB, free: 47.8 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005523/1.157, allocations: 3.537 MB / 1.132 GB, free: 45.29 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0107/1.168, allocations: 6.363 MB / 1.138 GB, free: 38.94 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.253e-05/1.168, allocations: 11.94 kB / 1.138 GB, free: 38.93 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 0.02685/1.195, allocations: 11 MB / 1.149 GB, free: 27.82 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005982/1.195, allocations: 0.8656 MB / 1.15 GB, free: 26.58 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.506e-05/1.195, allocations: 35.78 kB / 1.15 GB, free: 26.55 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01994/1.215, allocations: 5.878 MB / 1.156 GB, free: 20.66 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00419/1.22, allocations: 0.9828 MB / 1.157 GB, free: 19.67 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03639/1.256, allocations: 25.89 MB / 1.182 GB, free: 9.367 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004964/1.261, allocations: 0.5498 MB / 1.183 GB, free: 8.816 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006084/1.262, allocations: 151.9 kB / 1.183 GB, free: 8.668 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.179e-05/1.262, allocations: 4 kB / 1.183 GB, free: 8.664 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 0.006834/1.269, allocations: 3.09 MB / 1.186 GB, free: 5.551 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated