Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_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_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.489/1.489, allocations: 252 MB / 268 MB, free: 10.84 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009279/0.0009279, allocations: 168.7 kB / 327.6 MB, free: 2.094 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.481/1.481, allocations: 205.4 MB / 0.5786 GB, free: 20.12 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007362/0.0007363, allocations: 85.53 kB / 0.6832 GB, free: 12.75 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003307/0.0003309, allocations: 9.719 kB / 0.7976 GB, free: 135.1 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2152/0.2156, allocations: 106.3 MB / 0.9015 GB, free: 63.44 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02841/0.244, allocations: 17.52 MB / 0.9186 GB, free: 45.86 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01725/0.2613, allocations: 6.88 MB / 0.9253 GB, free: 38.96 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002452/0.2638, allocations: 43.88 kB / 0.9254 GB, free: 38.91 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00162/0.2655, allocations: 373.3 kB / 0.9257 GB, free: 38.55 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.005387/0.2709, allocations: 1.339 MB / 0.927 GB, free: 37.2 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004232/0.2752, allocations: 1.002 MB / 0.928 GB, free: 36.2 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.01087/0.2861, allocations: 8.499 MB / 0.9363 GB, free: 27.68 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01688/0.303, allocations: 8.352 MB / 0.9445 GB, free: 19.23 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004361/0.3074, allocations: 1.716 MB / 0.9461 GB, free: 17.51 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006191/0.3137, allocations: 2.652 MB / 0.9487 GB, free: 14.85 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001229/0.315, allocations: 236 kB / 0.9489 GB, free: 14.62 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004174/0.3192, allocations: 1.178 MB / 0.9501 GB, free: 13.44 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003726/0.3229, allocations: 1.883 MB / 0.9519 GB, free: 11.55 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.003808/0.3268, allocations: 1.802 MB / 0.9537 GB, free: 9.738 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.009996/0.3368, allocations: 6.472 MB / 0.96 GB, free: 3.25 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 6.542e-06/0.3369, allocations: 0 / 0.96 GB, free: 3.25 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.386e-06/0.3369, allocations: 0 / 0.96 GB, free: 3.25 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002525/0.3372, allocations: 4 kB / 0.96 GB, free: 3.246 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01107/0.3483, allocations: 3.097 MB / 0.963 GB, free: 92 kB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.784e-05/0.3484, allocations: 12.03 kB / 0.963 GB, free: 80 kB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02469/0.3731, allocations: 2.349 MB / 0.9653 GB, free: 13.72 MB / 0.6198 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008054/0.3812, allocations: 2.167 MB / 0.9675 GB, free: 11.51 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000415/0.3817, allocations: 267.5 kB / 0.9677 GB, free: 11.25 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001754/0.3834, allocations: 351.9 kB / 0.968 GB, free: 10.9 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02785/0.4113, allocations: 7.127 MB / 0.975 GB, free: 3.672 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001224/0.4115, allocations: 7.938 kB / 0.975 GB, free: 3.664 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001095/0.4126, allocations: 148 kB / 0.9752 GB, free: 3.52 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008844/0.4135, allocations: 330.1 kB / 0.9755 GB, free: 3.195 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03107/0.4446, allocations: 7.008 MB / 0.9823 GB, free: 12.17 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05929/0.504, allocations: 26.66 MB / 1.008 GB, free: 15.34 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008296/0.5123, allocations: 4.997 MB / 1.013 GB, free: 10.05 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006687/0.519, allocations: 2.6 MB / 1.016 GB, free: 7.426 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003838/0.5195, allocations: 131 kB / 1.016 GB, free: 7.281 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.494e-05/0.5195, allocations: 60.56 kB / 1.016 GB, free: 7.211 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 6.542e-06/0.5196, allocations: 0 / 1.016 GB, free: 7.211 MB / 0.6667 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 0.1406/0.6602, allocations: 31.03 MB / 1.046 GB, free: 8.094 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001105/0.6604, allocations: 239.6 kB / 1.046 GB, free: 7.812 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002083/0.6624, allocations: 1.438 MB / 1.048 GB, free: 6.367 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006674/0.6631, allocations: 69.7 kB / 1.048 GB, free: 6.293 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001116/0.6643, allocations: 1.505 MB / 1.049 GB, free: 4.766 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001186/0.6655, allocations: 0.9165 MB / 1.05 GB, free: 3.836 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002742/0.6657, allocations: 68 kB / 1.05 GB, free: 3.77 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0002333/0.666, allocations: 448.6 kB / 1.051 GB, free: 3.324 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006175/0.6722, allocations: 2.653 MB / 1.053 GB, free: 0.668 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.3911/1.063, allocations: 3.547 MB / 1.057 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01239/1.076, allocations: 6.384 MB / 1.063 GB, free: 135.6 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.046e-05/1.076, allocations: 8.125 kB / 1.063 GB, free: 135.6 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.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 0.03102/1.107, allocations: 11.04 MB / 1.074 GB, free: 134.9 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005192/1.107, allocations: 0.8672 MB / 1.075 GB, free: 133.8 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.735e-05/1.107, allocations: 25.84 kB / 1.075 GB, free: 133.8 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02079/1.128, allocations: 5.886 MB / 1.081 GB, free: 133 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004453/1.133, allocations: 0.9839 MB / 1.081 GB, free: 132.8 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03503/1.168, allocations: 25.9 MB / 1.107 GB, free: 112.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004272/1.172, allocations: 0.5518 MB / 1.107 GB, free: 112 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006016/1.173, allocations: 147.9 kB / 1.107 GB, free: 111.8 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.208e-05/1.173, allocations: 6.188 kB / 1.107 GB, free: 111.8 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 0.006356/1.179, allocations: 3.099 MB / 1.11 GB, free: 108.7 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated