Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001109/0.001109, allocations: 104 kB / 16.52 MB, free: 6.27 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001075/0.001075, allocations: 196 kB / 17.44 MB, free: 5.887 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.346/1.346, allocations: 222.9 MB / 241.1 MB, free: 15.41 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7391/0.7391, allocations: 115.3 MB / 406.6 MB, free: 6.391 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001403/0.001403, allocations: 63.91 kB / 493.6 MB, free: 0.7812 MB / 398.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3741/0.3756, allocations: 76.17 MB / 0.5564 GB, free: 36.15 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01922/0.3948, allocations: 18.12 MB / 0.5741 GB, free: 24.11 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01173/0.4066, allocations: 6.911 MB / 0.5809 GB, free: 19.45 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002576/0.4092, allocations: 46.53 kB / 0.5809 GB, free: 19.45 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003559/0.4128, allocations: 1.351 MB / 0.5822 GB, free: 18.66 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.004315/0.4171, allocations: 1.343 MB / 0.5835 GB, free: 17.95 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003588/0.4207, allocations: 1.184 MB / 0.5847 GB, free: 17.27 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.01006/0.4308, allocations: 8.519 MB / 0.593 GB, free: 13.66 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.01066/0.4415, allocations: 7.936 MB / 0.6008 GB, free: 7.148 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.004968/0.4465, allocations: 1.998 MB / 0.6027 GB, free: 5.145 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.005499/0.4521, allocations: 3.066 MB / 0.6057 GB, free: 2.07 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.001149/0.4533, allocations: 372 kB / 0.6061 GB, free: 1.707 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.002866/0.4562, allocations: 1.307 MB / 0.6073 GB, free: 408 kB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.002578/0.4587, allocations: 2.09 MB / 0.6094 GB, free: 14.3 MB / 462.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.003502/0.4623, allocations: 2.019 MB / 0.6113 GB, free: 12.27 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.007715/0.47, allocations: 6.622 MB / 0.6178 GB, free: 5.637 MB / 462.1 MB
Notification: Performance of FrontEnd - DAE generated: time 1.052e-05/0.47, allocations: 0 / 0.6178 GB, free: 5.637 MB / 462.1 MB
Notification: Performance of FrontEnd: time 2.074e-06/0.47, allocations: 0 / 0.6178 GB, free: 5.637 MB / 462.1 MB
Notification: Performance of Transformations before backend: time 0.0002052/0.4703, allocations: 0 / 0.6178 GB, free: 5.637 MB / 462.1 MB
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 0.01051/0.4808, allocations: 3.823 MB / 0.6215 GB, free: 1.754 MB / 462.1 MB
Notification: Performance of prepare preOptimizeDAE: time 5.029e-05/0.4808, allocations: 15.97 kB / 0.6216 GB, free: 1.738 MB / 462.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01228/0.4931, allocations: 2.345 MB / 0.6239 GB, free: 15.39 MB / 478.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005152/0.4983, allocations: 2.167 MB / 0.626 GB, free: 13.18 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002322/0.4986, allocations: 267.5 kB / 0.6262 GB, free: 12.91 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001212/0.4998, allocations: 355.9 kB / 0.6266 GB, free: 12.57 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01651/0.5163, allocations: 7.127 MB / 0.6335 GB, free: 5.336 MB / 478.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 8.526e-05/0.5165, allocations: 4 kB / 0.6335 GB, free: 5.332 MB / 478.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005044/0.517, allocations: 148 kB / 0.6337 GB, free: 5.188 MB / 478.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004874/0.5175, allocations: 334.1 kB / 0.634 GB, free: 4.859 MB / 478.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01615/0.5336, allocations: 7.005 MB / 0.6408 GB, free: 13.84 MB / 494.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.035/0.5687, allocations: 26.62 MB / 0.6668 GB, free: 1.047 MB / 0.4981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008602/0.5773, allocations: 4.992 MB / 0.6717 GB, free: 11.74 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005868/0.5832, allocations: 2.6 MB / 0.6742 GB, free: 9.129 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002687/0.5835, allocations: 127 kB / 0.6744 GB, free: 8.988 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.118e-05/0.5836, allocations: 60.5 kB / 0.6744 GB, free: 8.918 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=208): time 4.489e-06/0.5836, allocations: 4 kB / 0.6744 GB, free: 8.914 MB / 0.5137 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 0.104/0.6876, allocations: 30.94 MB / 0.7046 GB, free: 9.883 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001316/0.6877, allocations: 235.6 kB / 0.7049 GB, free: 9.605 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002114/0.6898, allocations: 1.449 MB / 0.7063 GB, free: 8.148 MB / 0.545 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005664/0.6904, allocations: 73.7 kB / 0.7063 GB, free: 8.07 MB / 0.545 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00105/0.6915, allocations: 1.497 MB / 0.7078 GB, free: 6.555 MB / 0.545 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001263/0.6928, allocations: 0.9203 MB / 0.7087 GB, free: 5.621 MB / 0.545 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001217/0.694, allocations: 0.6241 MB / 0.7093 GB, free: 4.988 MB / 0.545 GB
Notification: Performance of setup shared object (initialization): time 0.0001199/0.6941, allocations: 309.1 kB / 0.7096 GB, free: 4.684 MB / 0.545 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005969/0.7001, allocations: 2.67 MB / 0.7122 GB, free: 2.004 MB / 0.545 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006698/0.7068, allocations: 3.552 MB / 0.7157 GB, free: 14.08 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01315/0.72, allocations: 6.383 MB / 0.7219 GB, free: 7.297 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.272e-05/0.7201, allocations: 8 kB / 0.7219 GB, free: 7.289 MB / 0.5606 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 0.02927/0.7493, allocations: 10.95 MB / 0.7326 GB, free: 12.23 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 4.525e-05/0.7494, allocations: 16 kB / 0.7326 GB, free: 12.21 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.902e-05/0.7495, allocations: 24 kB / 0.7327 GB, free: 12.19 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02122/0.7707, allocations: 5.482 MB / 0.738 GB, free: 6.691 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004427/0.7751, allocations: 0.9905 MB / 0.739 GB, free: 5.699 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3049/1.08, allocations: 25.75 MB / 0.7641 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004334/1.084, allocations: 0.5532 MB / 0.7647 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000536/1.085, allocations: 152.9 kB / 0.7648 GB, free: 144.2 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008068/1.093, allocations: 3.965 MB / 0.7687 GB, free: 142.9 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005922/1.099, allocations: 3.51 MB / 0.7721 GB, free: 141.1 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08331/1.182, allocations: 24.56 MB / 0.7961 GB, free: 132.1 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.423e-05/1.182, allocations: 4 kB / 0.7961 GB, free: 132.1 MB / 0.5762 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[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[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : 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]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : 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]
[
  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.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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] ;
  -transformer.conv2.V2[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]
]
 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_lambda0): time 0.02229/1.205, allocations: 10.5 MB / 0.8064 GB, free: 121.5 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.543e-05/1.205, allocations: 20.5 kB / 0.8064 GB, free: 121.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.15e-05/1.205, allocations: 28 kB / 0.8064 GB, free: 121.5 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01404/1.219, allocations: 4.239 MB / 0.8105 GB, free: 117.2 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004139/1.223, allocations: 1.037 MB / 0.8116 GB, free: 116.2 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02624/1.249, allocations: 24.95 MB / 0.8359 GB, free: 90.7 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004026/1.253, allocations: 0.5417 MB / 0.8365 GB, free: 90.16 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004231/1.254, allocations: 144.7 kB / 0.8366 GB, free: 90.02 MB / 0.5762 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0009578/1.255, allocations: 408.9 kB / 0.837 GB, free: 89.63 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005418/1.255, allocations: 197.7 kB / 0.8372 GB, free: 89.43 MB / 0.5762 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[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] ;
  -transformer.conv2.V2[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] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02291/1.278, allocations: 10.16 MB / 0.8471 GB, free: 79.2 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.316e-05/1.278, allocations: 32 kB / 0.8471 GB, free: 79.16 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.801e-05/1.278, allocations: 12 kB / 0.8471 GB, free: 79.15 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.405e-05/1.278, allocations: 11.95 kB / 0.8471 GB, free: 79.14 MB / 0.5762 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  -loadRL.load1.v[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] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02993/1.308, allocations: 16.33 MB / 0.8631 GB, free: 62.63 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.716e-05/1.308, allocations: 8 kB / 0.8631 GB, free: 62.62 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00302/1.311, allocations: 0.7378 MB / 0.8638 GB, free: 61.89 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01683/1.328, allocations: 5.103 MB / 0.8688 GB, free: 56.77 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005272/1.329, allocations: 79.89 kB / 0.8689 GB, free: 56.69 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02973/1.359, allocations: 24.82 MB / 0.8931 GB, free: 31.42 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.273e-06/1.359, allocations: 16.03 kB / 0.8931 GB, free: 31.41 MB / 0.5762 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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] ;
  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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02194/1.381, allocations: 10.12 MB / 0.903 GB, free: 21.02 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001505/1.382, allocations: 0.7249 MB / 0.9037 GB, free: 20.28 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004397/1.383, allocations: 48 kB / 0.9038 GB, free: 20.23 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003122/1.386, allocations: 0.507 MB / 0.9043 GB, free: 19.72 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007342/1.386, allocations: 226.3 kB / 0.9045 GB, free: 19.5 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002185/1.387, allocations: 87.95 kB / 0.9046 GB, free: 19.42 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.001134/1.388, allocations: 0.9816 MB / 0.9055 GB, free: 18.43 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.41e-07/1.388, allocations: 0 / 0.9055 GB, free: 18.43 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.005681/1.393, allocations: 1.844 MB / 0.9073 GB, free: 16.59 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0004074/1.394, allocations: 180 kB / 0.9075 GB, free: 16.41 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.02411/1.418, allocations: 12.38 MB / 0.9196 GB, free: 3.934 MB / 0.5762 GB
Notification: Performance of simCode: created event and clocks part: time 1.101e-05/1.418, allocations: 0 / 0.9196 GB, free: 3.934 MB / 0.5762 GB
Notification: Performance of simCode: created simulation system equations: time 0.008969/1.427, allocations: 4.372 MB / 0.9239 GB, free: 15.52 MB / 0.5919 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002128/1.429, allocations: 272.7 kB / 0.9241 GB, free: 15.25 MB / 0.5919 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0245/1.454, allocations: 11.7 MB / 0.9355 GB, free: 3.441 MB / 0.5919 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003321/1.457, allocations: 2.916 MB / 0.9384 GB, free: 500 kB / 0.5919 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001181/1.458, allocations: 211.3 kB / 0.9386 GB, free: 288 kB / 0.5919 GB
Notification: Performance of SimCode: time 6.81e-07/1.458, allocations: 0 / 0.9386 GB, free: 288 kB / 0.5919 GB
Notification: Performance of Templates: time 0.3516/1.81, allocations: 107.5 MB / 1.044 GB, free: 179.9 MB / 0.6387 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)