Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 8.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-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(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.728/1.728, allocations: 291.7 MB / 306.8 MB, free: 7.672 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009876/0.0009876, allocations: 182.8 kB / 375.4 MB, free: 5.125 MB / 298.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.495/1.495, allocations: 225.7 MB / 0.6538 GB, free: 13.61 MB / 490.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008338/0.0008338, allocations: 99.72 kB / 0.7699 GB, free: 50.21 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004084/0.0004085, allocations: 12.78 kB / 0.8956 GB, free: 11.86 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7159/0.7164, allocations: 118.1 MB / 1.011 GB, free: 57.49 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01836/0.7348, allocations: 16.56 MB / 1.027 GB, free: 53.55 MB / 0.7136 GB
Notification: Performance of NFInst.instExpressions: time 0.01124/0.7461, allocations: 6.44 MB / 1.033 GB, free: 50.1 MB / 0.7136 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002515/0.7486, allocations: 42.81 kB / 1.033 GB, free: 50.09 MB / 0.7136 GB
Notification: Performance of NFTyping.typeComponents: time 0.001353/0.75, allocations: 374 kB / 1.034 GB, free: 49.89 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.003979/0.754, allocations: 1.14 MB / 1.035 GB, free: 49.32 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002924/0.757, allocations: 0.7763 MB / 1.036 GB, free: 48.96 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.008791/0.7658, allocations: 6.499 MB / 1.042 GB, free: 46.75 MB / 0.7136 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01381/0.7796, allocations: 8.256 MB / 1.05 GB, free: 43.73 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004219/0.7839, allocations: 1.701 MB / 1.052 GB, free: 43.1 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004994/0.7889, allocations: 2.601 MB / 1.054 GB, free: 42.21 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.0008578/0.7898, allocations: 240.7 kB / 1.055 GB, free: 42.21 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002377/0.7922, allocations: 0.6873 MB / 1.055 GB, free: 42.08 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.00231/0.7945, allocations: 1.88 MB / 1.057 GB, free: 41.55 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.001237/0.7958, allocations: 0.6955 MB / 1.058 GB, free: 41.13 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.00951/0.8053, allocations: 6.448 MB / 1.064 GB, free: 40.06 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 1.592e-05/0.8054, allocations: 4 kB / 1.064 GB, free: 40.06 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 5.169e-06/0.8054, allocations: 0 / 1.064 GB, free: 40.06 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0004136/0.8058, allocations: 0 / 1.064 GB, free: 40.06 MB / 0.7136 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 0.01106/0.8169, allocations: 3.102 MB / 1.067 GB, free: 38.39 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.815e-05/0.817, allocations: 12.83 kB / 1.067 GB, free: 38.39 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01221/0.8292, allocations: 2.35 MB / 1.069 GB, free: 38.13 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006129/0.8354, allocations: 2.167 MB / 1.071 GB, free: 37.02 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002491/0.8357, allocations: 263.1 kB / 1.072 GB, free: 36.91 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001677/0.8374, allocations: 356.8 kB / 1.072 GB, free: 36.79 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02023/0.8576, allocations: 7.1 MB / 1.079 GB, free: 34.38 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001988/0.8578, allocations: 3.812 kB / 1.079 GB, free: 34.38 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001662/0.8595, allocations: 142.9 kB / 1.079 GB, free: 34.27 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005729/0.8601, allocations: 336.5 kB / 1.079 GB, free: 34.23 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01992/0.88, allocations: 6.979 MB / 1.086 GB, free: 32.22 MB / 0.7136 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 0.04484/0.9249, allocations: 26.71 MB / 1.112 GB, free: 12.79 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01066/0.9356, allocations: 4.975 MB / 1.117 GB, free: 10.07 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00731/0.943, allocations: 2.599 MB / 1.12 GB, free: 9.305 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004082/0.9434, allocations: 132 kB / 1.12 GB, free: 9.195 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.486e-05/0.9435, allocations: 60.8 kB / 1.12 GB, free: 9.137 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 5.249e-06/0.9435, allocations: 3.938 kB / 1.12 GB, free: 9.133 MB / 0.7136 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 0.1089/1.052, allocations: 31.01 MB / 1.15 GB, free: 9.84 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001545/1.053, allocations: 239.6 kB / 1.15 GB, free: 9.559 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002482/1.055, allocations: 1.438 MB / 1.152 GB, free: 8.113 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007075/1.056, allocations: 69.7 kB / 1.152 GB, free: 8.039 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001166/1.057, allocations: 1.493 MB / 1.153 GB, free: 6.523 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001343/1.058, allocations: 0.9325 MB / 1.154 GB, free: 5.578 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002171/1.059, allocations: 64 kB / 1.154 GB, free: 5.516 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0002734/1.059, allocations: 440.6 kB / 1.155 GB, free: 5.078 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005935/1.065, allocations: 2.649 MB / 1.157 GB, free: 2.426 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006885/1.072, allocations: 3.536 MB / 1.161 GB, free: 14.51 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01333/1.085, allocations: 6.363 MB / 1.167 GB, free: 7.75 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.52e-05/1.085, allocations: 8.844 kB / 1.167 GB, free: 7.742 MB / 0.7448 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 0.03108/1.116, allocations: 11 MB / 1.178 GB, free: 12.63 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0009033/1.117, allocations: 0.8632 MB / 1.179 GB, free: 11.39 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.536e-05/1.117, allocations: 28 kB / 1.179 GB, free: 11.37 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02227/1.14, allocations: 5.879 MB / 1.184 GB, free: 5.473 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004755/1.144, allocations: 0.9836 MB / 1.185 GB, free: 4.488 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04456/1.189, allocations: 25.89 MB / 1.211 GB, free: 10.18 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004824/1.194, allocations: 0.5498 MB / 1.211 GB, free: 9.629 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008251/1.195, allocations: 151.9 kB / 1.211 GB, free: 9.48 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 1.289e-05/1.195, allocations: 7.938 kB / 1.211 GB, free: 9.473 MB / 0.7917 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 0.007953/1.203, allocations: 3.091 MB / 1.214 GB, free: 6.352 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated