Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/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 7.0.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-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(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.652/1.652, allocations: 255.9 MB / 271.2 MB, free: 8.887 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 0.001003/0.001003, allocations: 188.6 kB / 330.8 MB, free: 456 kB / 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 1.678/1.678, allocations: 225.7 MB / 0.6016 GB, free: 15.9 MB / 442.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000906/0.0009061, allocations: 91.58 kB / 0.709 GB, free: 5.355 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003468/0.0003468, allocations: 8.812 kB / 0.8262 GB, free: 123.5 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2282/0.2285, allocations: 109.2 MB / 0.9328 GB, free: 24.04 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01506/0.2436, allocations: 16.81 MB / 0.9492 GB, free: 7.172 MB / 0.5886 GB
Notification: Performance of NFInst.instExpressions: time 0.01118/0.2549, allocations: 11.08 MB / 0.96 GB, free: 10.98 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001798/0.2568, allocations: 47.81 kB / 0.9601 GB, free: 10.94 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001115/0.2579, allocations: 377.3 kB / 0.9604 GB, free: 10.57 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.00368/0.2616, allocations: 1.327 MB / 0.9617 GB, free: 9.234 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002893/0.2645, allocations: 1.01 MB / 0.9627 GB, free: 8.223 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.008354/0.2729, allocations: 8.498 MB / 0.971 GB, free: 15.7 MB / 0.6198 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01258/0.2855, allocations: 10.94 MB / 0.9817 GB, free: 4.016 MB / 0.6198 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003386/0.2889, allocations: 1.716 MB / 0.9834 GB, free: 2.293 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004812/0.2938, allocations: 2.648 MB / 0.986 GB, free: 15.64 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009017/0.2947, allocations: 240 kB / 0.9862 GB, free: 15.4 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002732/0.2975, allocations: 1.15 MB / 0.9873 GB, free: 14.25 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.002242/0.2997, allocations: 1.847 MB / 0.9891 GB, free: 12.4 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.002692/0.3024, allocations: 1.798 MB / 0.9909 GB, free: 10.59 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.008217/0.3106, allocations: 7.426 MB / 0.9981 GB, free: 3.137 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 8.305e-06/0.3107, allocations: 0 / 0.9981 GB, free: 3.137 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 2.565e-06/0.3107, allocations: 0 / 0.9981 GB, free: 3.137 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 0.0002591/0.311, allocations: 0 / 0.9981 GB, free: 3.137 MB / 0.6355 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 0.007558/0.3185, allocations: 3.105 MB / 1.001 GB, free: 15.97 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.137e-05/0.3186, allocations: 12.03 kB / 1.001 GB, free: 15.96 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01188/0.3305, allocations: 2.356 MB / 1.003 GB, free: 13.6 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004829/0.3354, allocations: 2.151 MB / 1.006 GB, free: 11.4 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002454/0.3357, allocations: 275.4 kB / 1.006 GB, free: 11.13 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001283/0.337, allocations: 355.9 kB / 1.006 GB, free: 10.79 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01673/0.3537, allocations: 7.092 MB / 1.013 GB, free: 3.594 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.022e-05/0.3538, allocations: 3.938 kB / 1.013 GB, free: 3.59 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004619/0.3543, allocations: 152 kB / 1.013 GB, free: 3.441 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004646/0.3548, allocations: 334.1 kB / 1.014 GB, free: 3.113 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5494/0.9041, allocations: 6.978 MB / 1.02 GB, free: 78.61 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 0.03923/0.9434, allocations: 26.71 MB / 1.046 GB, free: 59.51 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008375/0.9518, allocations: 4.977 MB / 1.051 GB, free: 56.75 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005934/0.9578, allocations: 2.601 MB / 1.054 GB, free: 55.76 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002627/0.9581, allocations: 136.1 kB / 1.054 GB, free: 55.64 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.818e-05/0.9582, allocations: 58.62 kB / 1.054 GB, free: 55.59 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.269e-06/0.9582, allocations: 0 / 1.054 GB, free: 55.59 MB / 0.6511 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 0.09636/1.055, allocations: 31.02 MB / 1.084 GB, free: 35.97 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001085/1.055, allocations: 239.6 kB / 1.085 GB, free: 35.69 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002088/1.057, allocations: 1.438 MB / 1.086 GB, free: 34.24 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007305/1.058, allocations: 69.7 kB / 1.086 GB, free: 34.17 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007307/1.058, allocations: 1.501 MB / 1.088 GB, free: 32.66 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009087/1.059, allocations: 0.9128 MB / 1.088 GB, free: 31.75 MB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002067/1.059, allocations: 60 kB / 1.088 GB, free: 31.69 MB / 0.6511 GB
Notification: Performance of setup shared object (initialization): time 0.0001453/1.06, allocations: 444.6 kB / 1.089 GB, free: 31.25 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00529/1.065, allocations: 2.649 MB / 1.091 GB, free: 28.6 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005585/1.07, allocations: 3.544 MB / 1.095 GB, free: 24.67 MB / 0.6511 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01096/1.081, allocations: 6.363 MB / 1.101 GB, free: 17.91 MB / 0.6511 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.876e-05/1.082, allocations: 8 kB / 1.101 GB, free: 17.91 MB / 0.6511 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 0.02526/1.107, allocations: 11.01 MB / 1.112 GB, free: 6.797 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005327/1.107, allocations: 0.8715 MB / 1.113 GB, free: 5.551 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.785e-05/1.107, allocations: 28 kB / 1.113 GB, free: 5.523 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0196/1.127, allocations: 5.885 MB / 1.119 GB, free: 15.62 MB / 0.6667 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005509/1.133, allocations: 0.9828 MB / 1.12 GB, free: 14.64 MB / 0.6667 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04717/1.18, allocations: 25.89 MB / 1.145 GB, free: 4.309 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004466/1.184, allocations: 0.5613 MB / 1.145 GB, free: 3.746 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005078/1.185, allocations: 147.9 kB / 1.145 GB, free: 3.602 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.277e-05/1.185, allocations: 4 kB / 1.145 GB, free: 3.598 MB / 0.6823 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 0.006901/1.192, allocations: 3.086 MB / 1.148 GB, free: 500 kB / 0.6823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated