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.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.719/1.719, allocations: 291.7 MB / 306.8 MB, free: 7.707 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 0.001044/0.001044, allocations: 181.5 kB / 375.4 MB, free: 5.141 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 1.498/1.498, 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 0.0009084/0.0009082, allocations: 104.7 kB / 0.7699 GB, free: 50.39 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004704/0.0004706, allocations: 17.47 kB / 0.8956 GB, free: 11.88 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7051/0.7056, allocations: 118.1 MB / 1.011 GB, free: 57.77 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01835/0.724, allocations: 16.48 MB / 1.027 GB, free: 53.84 MB / 0.7136 GB
Notification: Performance of NFInst.instExpressions: time 0.009715/0.7337, allocations: 6.431 MB / 1.033 GB, free: 50.5 MB / 0.7136 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001723/0.7355, allocations: 43.16 kB / 1.033 GB, free: 50.49 MB / 0.7136 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008903/0.7364, allocations: 370.9 kB / 1.034 GB, free: 50.29 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.002693/0.7391, allocations: 1.126 MB / 1.035 GB, free: 49.73 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00233/0.7415, allocations: 0.766 MB / 1.036 GB, free: 49.37 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.007758/0.7492, allocations: 6.487 MB / 1.042 GB, free: 47.16 MB / 0.7136 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01282/0.7621, allocations: 8.216 MB / 1.05 GB, free: 44.17 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004447/0.7666, allocations: 1.695 MB / 1.052 GB, free: 43.55 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005564/0.7722, allocations: 2.597 MB / 1.054 GB, free: 42.66 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.001082/0.7733, allocations: 240 kB / 1.054 GB, free: 42.66 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003259/0.7766, allocations: 0.6843 MB / 1.055 GB, free: 42.53 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.002829/0.7794, allocations: 1.875 MB / 1.057 GB, free: 42 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.001556/0.781, allocations: 0.6865 MB / 1.057 GB, free: 41.59 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.007328/0.7883, allocations: 6.419 MB / 1.064 GB, free: 40.53 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 5.691e-06/0.7884, allocations: 0 / 1.064 GB, free: 40.53 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 2.304e-06/0.7884, allocations: 0 / 1.064 GB, free: 40.53 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002654/0.7887, allocations: 0 / 1.064 GB, free: 40.53 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 0.008041/0.7967, allocations: 3.081 MB / 1.067 GB, free: 38.87 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.225e-05/0.7968, allocations: 9.469 kB / 1.067 GB, free: 38.87 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01181/0.8086, allocations: 2.35 MB / 1.069 GB, free: 38.61 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005635/0.8143, allocations: 2.144 MB / 1.071 GB, free: 37.52 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002524/0.8146, allocations: 270.5 kB / 1.071 GB, free: 37.39 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001643/0.8162, allocations: 350.5 kB / 1.072 GB, free: 37.28 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01702/0.8332, allocations: 7.067 MB / 1.079 GB, free: 34.88 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.938e-05/0.8334, allocations: 10.58 kB / 1.079 GB, free: 34.88 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006098/0.834, allocations: 154.1 kB / 1.079 GB, free: 34.76 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004825/0.8345, allocations: 323.5 kB / 1.079 GB, free: 34.73 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01669/0.8512, allocations: 6.962 MB / 1.086 GB, free: 32.73 MB / 0.7136 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03394/0.8852, allocations: 26.58 MB / 1.112 GB, free: 13.39 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009017/0.8942, allocations: 4.975 MB / 1.117 GB, free: 10.67 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006482/0.9008, allocations: 2.599 MB / 1.119 GB, free: 9.902 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002758/0.9011, allocations: 132.5 kB / 1.119 GB, free: 9.793 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.991e-05/0.9011, allocations: 59.33 kB / 1.119 GB, free: 9.734 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 5.26e-06/0.9012, allocations: 0 / 1.119 GB, free: 9.734 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.conv2.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.conv2.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 0.103/1.004, allocations: 30.95 MB / 1.15 GB, free: 10.39 MB / 0.7292 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001246/1.004, allocations: 247.6 kB / 1.15 GB, free: 10.1 MB / 0.7292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002051/1.006, allocations: 1.388 MB / 1.151 GB, free: 8.699 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004595/1.007, allocations: 65.7 kB / 1.151 GB, free: 8.629 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009863/1.008, allocations: 1.485 MB / 1.153 GB, free: 7.121 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001067/1.009, allocations: 0.9204 MB / 1.154 GB, free: 6.188 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002115/1.009, allocations: 64 kB / 1.154 GB, free: 6.125 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0002281/1.009, allocations: 440.7 kB / 1.154 GB, free: 5.688 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005794/1.015, allocations: 2.645 MB / 1.157 GB, free: 3.039 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006429/1.022, allocations: 3.544 MB / 1.16 GB, free: 15.12 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01229/1.034, allocations: 6.375 MB / 1.166 GB, free: 8.344 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.386e-05/1.034, allocations: 8 kB / 1.166 GB, free: 8.336 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.conv2.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.conv2.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 0.02803/1.062, allocations: 10.99 MB / 1.177 GB, free: 13.24 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006989/1.063, allocations: 0.8597 MB / 1.178 GB, free: 12 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.422e-05/1.063, allocations: 28 kB / 1.178 GB, free: 11.98 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02165/1.084, allocations: 5.875 MB / 1.184 GB, free: 6.086 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004371/1.089, allocations: 0.9867 MB / 1.185 GB, free: 5.098 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04043/1.129, allocations: 25.86 MB / 1.21 GB, free: 10.82 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004254/1.134, allocations: 0.5536 MB / 1.211 GB, free: 10.26 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003832/1.134, allocations: 152 kB / 1.211 GB, free: 10.11 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 9.027e-06/1.134, allocations: 4 kB / 1.211 GB, free: 10.11 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 0.006561/1.141, allocations: 3.085 MB / 1.214 GB, free: 6.996 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated