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.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_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_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 1.469/1.469, allocations: 255.9 MB / 271.2 MB, free: 8.902 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 0.0009732/0.0009733, allocations: 182.5 kB / 330.8 MB, free: 488 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 1.875/1.875, allocations: 225.7 MB / 0.6016 GB, free: 15.89 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 0.0007792/0.0007792, allocations: 107.5 kB / 0.709 GB, free: 5.391 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006222/0.0006223, allocations: 7.25 kB / 0.8261 GB, free: 123.5 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2721/0.2727, allocations: 109.2 MB / 0.9328 GB, free: 24.11 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01587/0.2886, allocations: 16.74 MB / 0.9491 GB, free: 7.309 MB / 0.5886 GB
Notification: Performance of NFInst.instExpressions: time 0.01273/0.3014, allocations: 11.06 MB / 0.9599 GB, free: 11.14 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002283/0.3038, allocations: 43.88 kB / 0.96 GB, free: 11.1 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.0013/0.3051, allocations: 377.3 kB / 0.9603 GB, free: 10.73 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003905/0.309, allocations: 1.324 MB / 0.9616 GB, free: 9.398 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003008/0.312, allocations: 0.9906 MB / 0.9626 GB, free: 8.406 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.01015/0.3222, allocations: 8.495 MB / 0.9709 GB, free: 15.89 MB / 0.6198 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01367/0.3359, allocations: 10.89 MB / 0.9815 GB, free: 4.254 MB / 0.6198 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003827/0.3398, allocations: 1.716 MB / 0.9832 GB, free: 2.531 MB / 0.6198 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004977/0.3448, allocations: 2.64 MB / 0.9858 GB, free: 15.88 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006984/0.3455, allocations: 236 kB / 0.986 GB, free: 15.65 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002854/0.3484, allocations: 1.135 MB / 0.9871 GB, free: 14.52 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.002222/0.3506, allocations: 1.851 MB / 0.9889 GB, free: 12.66 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.0023/0.3529, allocations: 1.778 MB / 0.9907 GB, free: 10.87 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.01004/0.363, allocations: 7.379 MB / 0.9979 GB, free: 3.465 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 8.025e-06/0.363, allocations: 3.938 kB / 0.9979 GB, free: 3.461 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 3.266e-06/0.363, allocations: 0 / 0.9979 GB, free: 3.461 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 0.0002728/0.3633, allocations: 0 / 0.9979 GB, free: 3.461 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.008401/0.3717, allocations: 3.066 MB / 1.001 GB, free: 344 kB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 4.923e-05/0.3718, allocations: 8.031 kB / 1.001 GB, free: 336 kB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01211/0.3839, allocations: 2.345 MB / 1.003 GB, free: 13.97 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005602/0.3896, allocations: 2.151 MB / 1.005 GB, free: 11.78 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002484/0.3898, allocations: 267.4 kB / 1.006 GB, free: 11.52 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001186/0.391, allocations: 351.9 kB / 1.006 GB, free: 11.18 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01601/0.4071, allocations: 7.068 MB / 1.013 GB, free: 4.008 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.524e-05/0.4072, allocations: 4 kB / 1.013 GB, free: 4.004 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00045/0.4076, allocations: 144 kB / 1.013 GB, free: 3.863 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004648/0.4081, allocations: 338 kB / 1.013 GB, free: 3.531 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5106/0.9188, allocations: 6.961 MB / 1.02 GB, free: 78.77 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 0.03776/0.9566, allocations: 26.57 MB / 1.046 GB, free: 59.75 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008051/0.9647, allocations: 4.985 MB / 1.051 GB, free: 56.98 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005642/0.9703, allocations: 2.6 MB / 1.053 GB, free: 56.12 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002815/0.9707, allocations: 132.7 kB / 1.054 GB, free: 56.01 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.991e-05/0.9707, allocations: 70.2 kB / 1.054 GB, free: 55.95 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 4.228e-06/0.9707, allocations: 0 / 1.054 GB, free: 55.95 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 0.1398/1.111, allocations: 30.96 MB / 1.084 GB, free: 36.62 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001004/1.111, allocations: 239.6 kB / 1.084 GB, free: 36.34 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003134/1.114, allocations: 1.392 MB / 1.085 GB, free: 34.93 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007456/1.115, allocations: 69.7 kB / 1.085 GB, free: 34.86 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001122/1.116, allocations: 1.481 MB / 1.087 GB, free: 33.37 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001518/1.117, allocations: 0.9259 MB / 1.088 GB, free: 32.45 MB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006708/1.118, allocations: 64 kB / 1.088 GB, free: 32.39 MB / 0.6511 GB
Notification: Performance of setup shared object (initialization): time 0.0002842/1.118, allocations: 444.6 kB / 1.088 GB, free: 31.95 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008691/1.127, allocations: 2.649 MB / 1.091 GB, free: 29.29 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009661/1.137, allocations: 3.544 MB / 1.094 GB, free: 25.37 MB / 0.6511 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01646/1.153, allocations: 6.367 MB / 1.101 GB, free: 18.6 MB / 0.6511 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.673e-05/1.153, allocations: 8 kB / 1.101 GB, free: 18.59 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=410) (initialization): time 0.04125/1.195, allocations: 11 MB / 1.111 GB, free: 7.5 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006473/1.195, allocations: 0.8797 MB / 1.112 GB, free: 6.246 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.125e-05/1.195, allocations: 24 kB / 1.112 GB, free: 6.223 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03114/1.227, allocations: 5.885 MB / 1.118 GB, free: 328 kB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006692/1.233, allocations: 0.9867 MB / 1.119 GB, free: 15.33 MB / 0.6667 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06678/1.3, allocations: 25.87 MB / 1.144 GB, free: 5.012 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007691/1.308, allocations: 0.5537 MB / 1.145 GB, free: 4.457 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009691/1.309, allocations: 148 kB / 1.145 GB, free: 4.312 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 2.173e-05/1.309, allocations: 4 kB / 1.145 GB, free: 4.309 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 0.01158/1.321, allocations: 3.091 MB / 1.148 GB, free: 1.191 MB / 0.6823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated