Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.373/2.373, allocations: 254.9 MB / 269.9 MB, free: 9.633 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001418/0.001418, allocations: 193.1 kB / 329.5 MB, free: 1.152 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.614/2.614, allocations: 225.6 MB / 0.6001 GB, free: 2.207 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000987/0.0009866, allocations: 102.1 kB / 0.7074 GB, free: 7.945 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006619/0.0006624, allocations: 14.27 kB / 0.8243 GB, free: 124.4 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2086/0.2093, allocations: 109.1 MB / 0.9308 GB, free: 25.09 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02396/0.2333, allocations: 16.55 MB / 0.947 GB, free: 8.477 MB / 0.5886 GB
Notification: Performance of NFInst.instExpressions: time 0.01358/0.247, allocations: 6.445 MB / 0.9533 GB, free: 2.016 MB / 0.5886 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001984/0.249, allocations: 43.88 kB / 0.9533 GB, free: 1.973 MB / 0.5886 GB
Notification: Performance of NFTyping.typeComponents: time 0.0016/0.2506, allocations: 373.3 kB / 0.9536 GB, free: 1.605 MB / 0.5886 GB
Notification: Performance of NFTyping.typeBindings: time 0.004259/0.2549, allocations: 1.148 MB / 0.9548 GB, free: 464 kB / 0.5886 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003586/0.2586, allocations: 0.7641 MB / 0.9555 GB, free: 15.69 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.01134/0.2699, allocations: 6.497 MB / 0.9619 GB, free: 9.176 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01874/0.2887, allocations: 7.732 MB / 0.9694 GB, free: 1.371 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004472/0.2933, allocations: 1.701 MB / 0.9711 GB, free: 15.66 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006473/0.2998, allocations: 2.606 MB / 0.9736 GB, free: 13.05 MB / 0.6198 GB
Notification: Performance of NFPackage.collectConstants: time 0.001263/0.3011, allocations: 240 kB / 0.9738 GB, free: 12.82 MB / 0.6198 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003349/0.3045, allocations: 0.6907 MB / 0.9745 GB, free: 12.12 MB / 0.6198 GB
Notification: Performance of NFScalarize.scalarize: time 0.004071/0.3086, allocations: 1.879 MB / 0.9764 GB, free: 10.24 MB / 0.6198 GB
Notification: Performance of NFVerifyModel.verify: time 0.001968/0.3106, allocations: 0.6952 MB / 0.977 GB, free: 9.539 MB / 0.6198 GB
Notification: Performance of NFConvertDAE.convert: time 0.01115/0.3218, allocations: 6.441 MB / 0.9833 GB, free: 3.082 MB / 0.6198 GB
Notification: Performance of FrontEnd - DAE generated: time 7.394e-06/0.3218, allocations: 0 / 0.9833 GB, free: 3.082 MB / 0.6198 GB
Notification: Performance of FrontEnd: time 3.356e-06/0.3218, allocations: 0 / 0.9833 GB, free: 3.082 MB / 0.6198 GB
Notification: Performance of Transformations before backend: time 0.0002313/0.3221, allocations: 0 / 0.9833 GB, free: 3.082 MB / 0.6198 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 0.01224/0.3343, allocations: 3.14 MB / 0.9864 GB, free: 15.88 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 5.113e-05/0.3344, allocations: 11.98 kB / 0.9864 GB, free: 15.87 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02303/0.3574, allocations: 2.353 MB / 0.9887 GB, free: 13.51 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007528/0.365, allocations: 2.132 MB / 0.9908 GB, free: 11.33 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004007/0.3655, allocations: 271.5 kB / 0.991 GB, free: 11.07 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00177/0.3673, allocations: 351.9 kB / 0.9914 GB, free: 10.72 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02896/0.3963, allocations: 7.102 MB / 0.9983 GB, free: 3.523 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001647/0.3965, allocations: 7.938 kB / 0.9983 GB, free: 3.516 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001504/0.398, allocations: 144 kB / 0.9985 GB, free: 3.375 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008829/0.3989, allocations: 334.1 kB / 0.9988 GB, free: 3.047 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02927/0.4282, allocations: 6.985 MB / 1.006 GB, free: 12.04 MB / 0.6511 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 0.7211/1.149, allocations: 26.7 MB / 1.032 GB, free: 89.65 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01615/1.166, allocations: 4.973 MB / 1.037 GB, free: 88.02 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01168/1.177, allocations: 2.603 MB / 1.039 GB, free: 87.64 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005634/1.178, allocations: 136.2 kB / 1.039 GB, free: 87.54 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.483e-05/1.178, allocations: 61.22 kB / 1.039 GB, free: 87.48 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.881e-06/1.178, allocations: 0 / 1.039 GB, free: 87.48 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 0.225/1.403, allocations: 30.97 MB / 1.069 GB, free: 77.54 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001421/1.403, allocations: 242.9 kB / 1.07 GB, free: 77.28 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003127/1.406, allocations: 1.438 MB / 1.071 GB, free: 76.5 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006849/1.407, allocations: 66.67 kB / 1.071 GB, free: 76.44 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001075/1.408, allocations: 1.505 MB / 1.073 GB, free: 75.12 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001409/1.41, allocations: 0.9145 MB / 1.074 GB, free: 74.33 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004827/1.41, allocations: 66.88 kB / 1.074 GB, free: 74.28 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0002269/1.41, allocations: 440.8 kB / 1.074 GB, free: 73.88 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01018/1.421, allocations: 2.643 MB / 1.077 GB, free: 72.51 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01092/1.432, allocations: 3.541 MB / 1.08 GB, free: 70 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01104/1.443, allocations: 3.088 MB / 1.083 GB, free: 68.36 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.183e-05/1.443, allocations: 7.812 kB / 1.083 GB, free: 68.36 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=410) (initialization): time 0.05186/1.495, allocations: 11 MB / 1.094 GB, free: 57.66 MB / 0.6667 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005247/1.495, allocations: 0.8675 MB / 1.095 GB, free: 56.42 MB / 0.6667 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.704e-05/1.495, allocations: 28 kB / 1.095 GB, free: 56.39 MB / 0.6667 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03958/1.535, allocations: 5.885 MB / 1.1 GB, free: 50.49 MB / 0.6667 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007899/1.543, allocations: 0.9866 MB / 1.101 GB, free: 49.5 MB / 0.6667 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06501/1.608, allocations: 25.89 MB / 1.127 GB, free: 23.18 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007606/1.615, allocations: 0.5459 MB / 1.127 GB, free: 22.64 MB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008395/1.616, allocations: 152 kB / 1.127 GB, free: 22.49 MB / 0.6667 GB
Notification: Performance of prepare postOptimizeDAE: time 1.22e-05/1.616, allocations: 4 kB / 1.127 GB, free: 22.48 MB / 0.6667 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 0.01179/1.628, allocations: 3.091 MB / 1.13 GB, free: 19.37 MB / 0.6667 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated