Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.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 8.1.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.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_8_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_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.716/1.716, allocations: 297.4 MB / 312.6 MB, free: 2.965 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 0.001205/0.001205, allocations: 178.1 kB / 382.3 MB, free: 14.86 MB / 314.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.512/1.512, allocations: 225.7 MB / 0.6617 GB, free: 7.25 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 0.0007936/0.0007936, allocations: 94.16 kB / 0.7789 GB, free: 46.9 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003696/0.0003696, allocations: 12 kB / 0.9059 GB, free: 4.871 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6876/0.688, allocations: 119.2 MB / 1.022 GB, free: 57.98 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01744/0.7055, allocations: 16.82 MB / 1.039 GB, free: 47.25 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.012/0.7176, allocations: 11.09 MB / 1.05 GB, free: 37.29 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002034/0.7196, allocations: 43.31 kB / 1.05 GB, free: 37.28 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.0009714/0.7207, allocations: 375.5 kB / 1.05 GB, free: 37.08 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.002912/0.7236, allocations: 1.332 MB / 1.051 GB, free: 36.38 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002454/0.726, allocations: 1 MB / 1.052 GB, free: 35.81 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.008012/0.7341, allocations: 8.506 MB / 1.061 GB, free: 33.28 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01044/0.7445, allocations: 10.94 MB / 1.071 GB, free: 26.66 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003052/0.7476, allocations: 1.726 MB / 1.073 GB, free: 26 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003512/0.7511, allocations: 2.645 MB / 1.075 GB, free: 25.05 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.0005397/0.7517, allocations: 236.4 kB / 1.076 GB, free: 25.05 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002223/0.7539, allocations: 1.15 MB / 1.077 GB, free: 24.73 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.001598/0.7555, allocations: 1.858 MB / 1.079 GB, free: 24.16 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.001693/0.7572, allocations: 1.795 MB / 1.08 GB, free: 23.04 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.005829/0.7631, allocations: 7.422 MB / 1.088 GB, free: 21.41 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 4.569e-06/0.7631, allocations: 11.25 kB / 1.088 GB, free: 21.4 MB / 0.698 GB
Notification: Performance of FrontEnd: time 1.864e-06/0.7631, allocations: 0 / 1.088 GB, free: 21.4 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0001533/0.7633, allocations: 0 / 1.088 GB, free: 21.4 MB / 0.698 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 0.00592/0.7692, allocations: 3.096 MB / 1.091 GB, free: 19.74 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 3.974e-05/0.7693, allocations: 9.938 kB / 1.091 GB, free: 19.74 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01115/0.7804, allocations: 2.351 MB / 1.093 GB, free: 19.48 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005336/0.7858, allocations: 2.162 MB / 1.095 GB, free: 18.38 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002651/0.7861, allocations: 268.3 kB / 1.095 GB, free: 18.26 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001466/0.7875, allocations: 353.9 kB / 1.096 GB, free: 18.14 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0165/0.8041, allocations: 7.1 MB / 1.103 GB, free: 15.73 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.548e-05/0.8042, allocations: 6.641 kB / 1.103 GB, free: 15.73 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004346/0.8046, allocations: 147.3 kB / 1.103 GB, free: 15.61 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006409/0.8053, allocations: 338.3 kB / 1.103 GB, free: 15.57 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01846/0.8237, allocations: 6.974 MB / 1.11 GB, free: 13.57 MB / 0.698 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 0.04396/0.8677, allocations: 26.71 MB / 1.136 GB, free: 9.504 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009196/0.877, allocations: 4.981 MB / 1.141 GB, free: 4.637 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006023/0.8831, allocations: 2.604 MB / 1.143 GB, free: 2.012 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003648/0.8835, allocations: 131 kB / 1.144 GB, free: 1.867 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.221e-05/0.8835, allocations: 60.5 kB / 1.144 GB, free: 1.797 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=208): time 5.25e-06/0.8836, allocations: 0 / 1.144 GB, free: 1.797 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 0.1068/0.9903, allocations: 31.03 MB / 1.174 GB, free: 2.684 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001589/0.9905, allocations: 239.6 kB / 1.174 GB, free: 2.402 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002835/0.9934, allocations: 1.434 MB / 1.176 GB, free: 0.9609 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.00072/0.9941, allocations: 69.7 kB / 1.176 GB, free: 0.8867 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00129/0.9954, allocations: 1.501 MB / 1.177 GB, free: 15.36 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001813/0.9973, allocations: 0.9204 MB / 1.178 GB, free: 14.43 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006356/0.9979, allocations: 64 kB / 1.178 GB, free: 14.36 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0003636/0.9983, allocations: 444.6 kB / 1.178 GB, free: 13.92 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006433/1.005, allocations: 2.645 MB / 1.181 GB, free: 11.27 MB / 0.7605 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007308/1.012, allocations: 3.536 MB / 1.184 GB, free: 7.359 MB / 0.7605 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01407/1.026, allocations: 6.371 MB / 1.191 GB, free: 0.5898 MB / 0.7605 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.021e-05/1.026, allocations: 12 kB / 1.191 GB, free: 0.5781 MB / 0.7605 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 0.03157/1.058, allocations: 11.01 MB / 1.201 GB, free: 5.469 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0009115/1.059, allocations: 0.8703 MB / 1.202 GB, free: 4.223 MB / 0.7761 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.134e-05/1.059, allocations: 31.94 kB / 1.202 GB, free: 4.191 MB / 0.7761 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02363/1.083, allocations: 5.879 MB / 1.208 GB, free: 14.29 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004467/1.087, allocations: 0.9828 MB / 1.209 GB, free: 13.31 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06334/1.15, allocations: 25.9 MB / 1.234 GB, free: 2.957 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006117/1.157, allocations: 0.5537 MB / 1.235 GB, free: 2.402 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007845/1.157, allocations: 151.9 kB / 1.235 GB, free: 2.254 MB / 0.8073 GB
Notification: Performance of prepare postOptimizeDAE: time 1.253e-05/1.157, allocations: 4 kB / 1.235 GB, free: 2.25 MB / 0.8073 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 0.01014/1.168, allocations: 3.084 MB / 1.238 GB, free: 15.14 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated