Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.255/2.255, allocations: 251.3 MB / 266.2 MB, free: 11.52 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001364/0.001364, allocations: 164.4 kB / 325.8 MB, free: 2.812 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.466/2.466, allocations: 205.4 MB / 0.5767 GB, free: 21.08 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001221/0.001221, allocations: 88.36 kB / 0.6812 GB, free: 14 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006263/0.0006264, allocations: 16.11 kB / 0.7953 GB, free: 135.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2125/0.2132, allocations: 106.3 MB / 0.8991 GB, free: 65.86 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02376/0.237, allocations: 16.48 MB / 0.9152 GB, free: 49.32 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01329/0.2503, allocations: 6.469 MB / 0.9215 GB, free: 42.84 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001914/0.2523, allocations: 43.88 kB / 0.9215 GB, free: 42.79 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001407/0.2538, allocations: 373.4 kB / 0.9219 GB, free: 42.43 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.004045/0.2578, allocations: 1.124 MB / 0.923 GB, free: 41.3 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003394/0.2613, allocations: 0.7671 MB / 0.9237 GB, free: 40.53 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.008042/0.2693, allocations: 6.477 MB / 0.9301 GB, free: 34.04 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0148/0.2842, allocations: 7.694 MB / 0.9376 GB, free: 26.27 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003714/0.288, allocations: 1.697 MB / 0.9392 GB, free: 24.57 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00531/0.2934, allocations: 2.598 MB / 0.9418 GB, free: 21.96 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001246/0.2947, allocations: 243.9 kB / 0.942 GB, free: 21.72 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003344/0.2981, allocations: 0.6712 MB / 0.9426 GB, free: 21.05 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003568/0.3017, allocations: 1.883 MB / 0.9445 GB, free: 19.16 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001993/0.3037, allocations: 0.6914 MB / 0.9452 GB, free: 18.46 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.008985/0.3128, allocations: 6.405 MB / 0.9514 GB, free: 12.04 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 7.263e-06/0.3128, allocations: 3.938 kB / 0.9514 GB, free: 12.04 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.737e-06/0.3128, allocations: 0 / 0.9514 GB, free: 12.04 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002411/0.3131, allocations: 0 / 0.9514 GB, free: 12.04 MB / 0.6042 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 0.01058/0.3237, allocations: 3.101 MB / 0.9544 GB, free: 8.879 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.355e-05/0.3237, allocations: 8.031 kB / 0.9545 GB, free: 8.871 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02175/0.3455, allocations: 2.345 MB / 0.9567 GB, free: 6.52 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006524/0.3521, allocations: 2.113 MB / 0.9588 GB, free: 4.363 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003055/0.3524, allocations: 263.4 kB / 0.9591 GB, free: 4.105 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001629/0.3541, allocations: 355.8 kB / 0.9594 GB, free: 3.758 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02596/0.3801, allocations: 7.064 MB / 0.9663 GB, free: 12.59 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001884/0.3803, allocations: 7.984 kB / 0.9663 GB, free: 12.59 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001587/0.3819, allocations: 152 kB / 0.9664 GB, free: 12.44 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008951/0.3829, allocations: 334 kB / 0.9668 GB, free: 12.11 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03012/0.413, allocations: 6.961 MB / 0.9736 GB, free: 5.133 MB / 0.6198 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 0.05429/0.4674, allocations: 26.59 MB / 0.9995 GB, free: 8.367 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01502/0.4824, allocations: 4.979 MB / 1.004 GB, free: 3.078 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0117/0.4942, allocations: 2.596 MB / 1.007 GB, free: 468 kB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005268/0.4948, allocations: 131 kB / 1.007 GB, free: 320 kB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.715e-05/0.4949, allocations: 64.5 kB / 1.007 GB, free: 244 kB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.47e-06/0.4949, allocations: 0 / 1.007 GB, free: 244 kB / 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 0.2384/0.7333, allocations: 30.92 MB / 1.037 GB, free: 1.238 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002354/0.7336, allocations: 247.5 kB / 1.038 GB, free: 0.9492 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005038/0.7387, allocations: 1.392 MB / 1.039 GB, free: 15.55 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009807/0.7397, allocations: 69.7 kB / 1.039 GB, free: 15.47 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00242/0.7422, allocations: 1.485 MB / 1.04 GB, free: 13.96 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002498/0.7448, allocations: 0.9164 MB / 1.041 GB, free: 13.04 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009326/0.7457, allocations: 64 kB / 1.041 GB, free: 12.97 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0005918/0.7464, allocations: 440.7 kB / 1.042 GB, free: 12.54 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0171/0.7635, allocations: 2.645 MB / 1.044 GB, free: 9.887 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02603/0.7896, allocations: 3.54 MB / 1.048 GB, free: 5.965 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.03766/0.8273, allocations: 3.099 MB / 1.051 GB, free: 2.844 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.261e-05/0.8274, allocations: 8 kB / 1.051 GB, free: 2.836 MB / 0.698 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 0.7177/1.545, allocations: 10.99 MB / 1.062 GB, free: 137.8 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006973/1.546, allocations: 0.8683 MB / 1.062 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.701e-05/1.546, allocations: 26.94 kB / 1.062 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04187/1.588, allocations: 5.88 MB / 1.068 GB, free: 136.6 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00838/1.596, allocations: 0.9851 MB / 1.069 GB, free: 136.6 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.08873/1.685, allocations: 25.88 MB / 1.094 GB, free: 123.1 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01007/1.695, allocations: 0.5492 MB / 1.095 GB, free: 122.9 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007537/1.696, allocations: 155.7 kB / 1.095 GB, free: 122.8 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.605e-05/1.696, allocations: 5.719 kB / 1.095 GB, free: 122.8 MB / 0.698 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 0.01218/1.708, allocations: 3.091 MB / 1.098 GB, free: 121.2 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated