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.BalancedStepDown.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.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(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.601/1.601, allocations: 291.7 MB / 306.8 MB, free: 7.68 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 0.0009858/0.0009855, allocations: 192 kB / 375.4 MB, free: 5.102 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 1.514/1.514, 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 0.0009399/0.0009398, allocations: 101.8 kB / 0.7699 GB, free: 50.33 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004313/0.0004317, allocations: 15.98 kB / 0.8956 GB, free: 11.83 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8623/0.8627, allocations: 118.1 MB / 1.011 GB, free: 57.59 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01839/0.8812, allocations: 16.49 MB / 1.027 GB, free: 53.64 MB / 0.7136 GB
Notification: Performance of NFInst.instExpressions: time 0.01127/0.8925, allocations: 6.429 MB / 1.033 GB, free: 50.25 MB / 0.7136 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002358/0.8949, allocations: 43.31 kB / 1.033 GB, free: 50.25 MB / 0.7136 GB
Notification: Performance of NFTyping.typeComponents: time 0.001101/0.896, allocations: 372.9 kB / 1.034 GB, free: 50.05 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.003401/0.8994, allocations: 1.126 MB / 1.035 GB, free: 49.49 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002662/0.9021, allocations: 0.7676 MB / 1.036 GB, free: 49.13 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.008183/0.9103, allocations: 6.475 MB / 1.042 GB, free: 46.93 MB / 0.7136 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01236/0.9227, allocations: 8.214 MB / 1.05 GB, free: 43.95 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004563/0.9273, allocations: 1.695 MB / 1.052 GB, free: 43.32 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005486/0.9328, allocations: 2.605 MB / 1.054 GB, free: 42.43 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007906/0.9336, allocations: 238.3 kB / 1.054 GB, free: 42.43 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002612/0.9362, allocations: 0.6725 MB / 1.055 GB, free: 42.3 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.002326/0.9385, allocations: 1.882 MB / 1.057 GB, free: 41.77 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.001291/0.9398, allocations: 0.6862 MB / 1.057 GB, free: 41.36 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.007418/0.9473, allocations: 6.413 MB / 1.064 GB, free: 40.3 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 7.864e-06/0.9473, allocations: 0 / 1.064 GB, free: 40.3 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 2.264e-06/0.9473, allocations: 0 / 1.064 GB, free: 40.3 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002267/0.9476, allocations: 4 kB / 1.064 GB, free: 40.29 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.00815/0.9557, allocations: 3.067 MB / 1.067 GB, free: 38.65 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.958e-05/0.9558, allocations: 9.688 kB / 1.067 GB, free: 38.65 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01164/0.9674, allocations: 2.343 MB / 1.069 GB, free: 38.39 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005603/0.9731, allocations: 2.152 MB / 1.071 GB, free: 37.29 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002017/0.9733, allocations: 264.2 kB / 1.071 GB, free: 37.17 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001256/0.9746, allocations: 345.9 kB / 1.072 GB, free: 37.06 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01498/0.9895, allocations: 7.072 MB / 1.079 GB, free: 34.66 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.253e-05/0.9897, allocations: 5.766 kB / 1.079 GB, free: 34.66 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003992/0.9901, allocations: 152.1 kB / 1.079 GB, free: 34.54 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004199/0.9905, allocations: 330 kB / 1.079 GB, free: 34.5 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01513/1.006, allocations: 6.962 MB / 1.086 GB, free: 32.5 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 0.03732/1.043, allocations: 26.58 MB / 1.112 GB, free: 13.16 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008902/1.052, allocations: 4.975 MB / 1.117 GB, free: 10.44 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006554/1.059, allocations: 2.596 MB / 1.119 GB, free: 9.68 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003288/1.059, allocations: 132.3 kB / 1.119 GB, free: 9.57 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.496e-05/1.059, allocations: 63.19 kB / 1.119 GB, free: 9.508 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 4.098e-06/1.059, allocations: 1.094 kB / 1.119 GB, free: 9.508 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 0.1031/1.162, allocations: 30.96 MB / 1.15 GB, free: 10.32 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001531/1.162, allocations: 243.5 kB / 1.15 GB, free: 10.03 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002512/1.165, allocations: 1.388 MB / 1.151 GB, free: 8.633 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007155/1.166, allocations: 65.7 kB / 1.151 GB, free: 8.562 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001351/1.167, allocations: 1.494 MB / 1.153 GB, free: 7.047 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001604/1.168, allocations: 0.9126 MB / 1.154 GB, free: 6.121 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00025/1.169, allocations: 64 kB / 1.154 GB, free: 6.059 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0003101/1.169, allocations: 444.7 kB / 1.154 GB, free: 5.617 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006063/1.175, allocations: 2.645 MB / 1.157 GB, free: 2.969 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007252/1.182, allocations: 3.536 MB / 1.16 GB, free: 15.05 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01399/1.196, allocations: 6.371 MB / 1.166 GB, free: 8.285 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.153e-05/1.197, allocations: 8 kB / 1.166 GB, free: 8.277 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 0.03082/1.227, allocations: 11 MB / 1.177 GB, free: 13.17 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007424/1.228, allocations: 0.8628 MB / 1.178 GB, free: 11.93 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.434e-05/1.228, allocations: 28 kB / 1.178 GB, free: 11.91 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02195/1.25, allocations: 5.883 MB / 1.184 GB, free: 6.008 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004604/1.255, allocations: 0.9828 MB / 1.185 GB, free: 5.023 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04566/1.301, allocations: 25.89 MB / 1.21 GB, free: 10.71 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004869/1.305, allocations: 0.5459 MB / 1.211 GB, free: 10.17 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000646/1.306, allocations: 148 kB / 1.211 GB, free: 10.02 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 1.215e-05/1.306, allocations: 4 kB / 1.211 GB, free: 10.02 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 0.007372/1.314, allocations: 3.091 MB / 1.214 GB, free: 6.898 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated