Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/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 9.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 1.69/1.69, allocations: 306.1 MB / 321.4 MB, free: 10.7 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001179/0.001179, allocations: 175.5 kB / 393.1 MB, free: 4.066 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 1.556/1.556, allocations: 225.7 MB / 0.6743 GB, free: 12.61 MB / 0.4948 GB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007645/0.0007645, allocations: 99.22 kB / 0.7935 GB, free: 40.14 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003807/0.0003809, allocations: 8 kB / 0.9225 GB, free: 8.629 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6933/0.6937, allocations: 121.3 MB / 1.041 GB, free: 58.84 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01794/0.7117, allocations: 16.82 MB / 1.057 GB, free: 47.74 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.01142/0.7232, allocations: 11.22 MB / 1.068 GB, free: 37.64 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002124/0.7254, allocations: 44.16 kB / 1.068 GB, free: 37.63 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.001275/0.7267, allocations: 379.7 kB / 1.069 GB, free: 37.43 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.003446/0.7301, allocations: 1.341 MB / 1.07 GB, free: 36.72 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002849/0.733, allocations: 1.005 MB / 1.071 GB, free: 36.16 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.007575/0.7406, allocations: 8.488 MB / 1.079 GB, free: 33.64 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0126/0.7532, allocations: 10.96 MB / 1.09 GB, free: 26.97 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004199/0.7575, allocations: 1.731 MB / 1.092 GB, free: 26.31 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00667/0.7642, allocations: 2.646 MB / 1.094 GB, free: 25.38 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.002635/0.7668, allocations: 237.7 kB / 1.094 GB, free: 25.38 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005166/0.772, allocations: 1.138 MB / 1.096 GB, free: 25.06 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.005092/0.7772, allocations: 1.851 MB / 1.097 GB, free: 24.5 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.007028/0.7842, allocations: 1.803 MB / 1.099 GB, free: 23.37 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.01377/0.798, allocations: 7.423 MB / 1.106 GB, free: 21.74 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 7.063e-06/0.7981, allocations: 1.094 kB / 1.106 GB, free: 21.74 MB / 0.698 GB
Notification: Performance of FrontEnd: time 4.148e-06/0.7981, allocations: 3.938 kB / 1.106 GB, free: 21.73 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0002995/0.7984, allocations: 0 / 1.106 GB, free: 21.73 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 0.01167/0.8101, allocations: 3.099 MB / 1.109 GB, free: 20.07 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 5.464e-05/0.8102, allocations: 9.062 kB / 1.109 GB, free: 20.07 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01465/0.8248, allocations: 2.357 MB / 1.112 GB, free: 19.81 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008284/0.8332, allocations: 2.16 MB / 1.114 GB, free: 18.7 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000515/0.8337, allocations: 264.8 kB / 1.114 GB, free: 18.59 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002971/0.8367, allocations: 354.5 kB / 1.114 GB, free: 18.46 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0304/0.8671, allocations: 7.102 MB / 1.121 GB, free: 16.05 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002291/0.8674, allocations: 2.344 kB / 1.121 GB, free: 16.05 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002195/0.8696, allocations: 142.6 kB / 1.122 GB, free: 15.95 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006718/0.8703, allocations: 342.9 kB / 1.122 GB, free: 15.89 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02067/0.891, allocations: 6.98 MB / 1.129 GB, free: 10.41 MB / 0.698 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0445/0.9355, allocations: 26.66 MB / 1.155 GB, free: 13.57 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009286/0.9449, allocations: 4.983 MB / 1.16 GB, free: 8.273 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006078/0.951, allocations: 2.604 MB / 1.162 GB, free: 5.652 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003776/0.9514, allocations: 131 kB / 1.162 GB, free: 5.508 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.223e-05/0.9515, allocations: 64.48 kB / 1.162 GB, free: 5.434 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=208): time 4.058e-06/0.9515, allocations: 0 / 1.162 GB, free: 5.434 MB / 0.7292 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 0.1063/1.058, allocations: 31.01 MB / 1.193 GB, free: 6.34 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002111/1.058, allocations: 243.6 kB / 1.193 GB, free: 6.055 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003057/1.061, allocations: 1.434 MB / 1.194 GB, free: 4.613 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009083/1.062, allocations: 65.7 kB / 1.194 GB, free: 4.543 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001282/1.063, allocations: 1.501 MB / 1.196 GB, free: 3.02 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001685/1.065, allocations: 0.9242 MB / 1.197 GB, free: 2.082 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006204/1.066, allocations: 64 kB / 1.197 GB, free: 2.02 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0004137/1.066, allocations: 440.6 kB / 1.197 GB, free: 1.582 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006495/1.073, allocations: 2.645 MB / 1.2 GB, free: 14.93 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007324/1.08, allocations: 3.544 MB / 1.203 GB, free: 11.01 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01421/1.094, allocations: 6.367 MB / 1.209 GB, free: 4.246 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.96e-05/1.094, allocations: 8 kB / 1.209 GB, free: 4.238 MB / 0.7761 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 0.03165/1.126, allocations: 11 MB / 1.22 GB, free: 9.133 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0008435/1.127, allocations: 0.8668 MB / 1.221 GB, free: 7.887 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.367e-05/1.127, allocations: 28 kB / 1.221 GB, free: 7.859 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02266/1.15, allocations: 5.883 MB / 1.227 GB, free: 1.961 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005083/1.155, allocations: 0.9905 MB / 1.228 GB, free: 0.9688 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04597/1.201, allocations: 25.87 MB / 1.253 GB, free: 6.641 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005044/1.206, allocations: 0.5536 MB / 1.254 GB, free: 6.086 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009965/1.207, allocations: 155.9 kB / 1.254 GB, free: 5.934 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.466e-05/1.207, allocations: 7.938 kB / 1.254 GB, free: 5.926 MB / 0.823 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 0.008426/1.215, allocations: 3.083 MB / 1.257 GB, free: 2.816 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated