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 0.001232/0.001232, allocations: 110.6 kB / 17.04 MB, free: 6.078 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001179/0.001179, allocations: 195 kB / 17.98 MB, free: 5.16 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.301/1.301, allocations: 222.9 MB / 241.7 MB, free: 15.21 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6908/0.6908, allocations: 115.1 MB / 406.9 MB, free: 6.355 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.00122/0.00122, allocations: 67.91 kB / 494.9 MB, free: 15.85 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4046/0.4058, allocations: 76.14 MB / 0.5576 GB, free: 36.77 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01798/0.4239, allocations: 18.23 MB / 0.5754 GB, free: 24.66 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01045/0.4344, allocations: 6.862 MB / 0.5821 GB, free: 20 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002033/0.4364, allocations: 57.44 kB / 0.5822 GB, free: 20 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003499/0.44, allocations: 1.462 MB / 0.5836 GB, free: 19.13 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.003775/0.4438, allocations: 1.423 MB / 0.585 GB, free: 18.34 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003466/0.4473, allocations: 1.287 MB / 0.5863 GB, free: 17.66 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.006627/0.4539, allocations: 5.472 MB / 0.5916 GB, free: 14.91 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.009477/0.4634, allocations: 7.119 MB / 0.5985 GB, free: 10.5 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.003569/0.467, allocations: 2.369 MB / 0.6009 GB, free: 8.125 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.003557/0.4706, allocations: 2.972 MB / 0.6038 GB, free: 5.145 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0008215/0.4714, allocations: 0.5195 MB / 0.6043 GB, free: 4.625 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.00223/0.4737, allocations: 1.264 MB / 0.6055 GB, free: 3.359 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.001632/0.4753, allocations: 2.25 MB / 0.6077 GB, free: 1.105 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.002445/0.4778, allocations: 2.19 MB / 0.6098 GB, free: 14.9 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.007227/0.485, allocations: 7.775 MB / 0.6174 GB, free: 7.105 MB / 462.1 MB
Notification: Performance of FrontEnd - DAE generated: time 7.174e-06/0.485, allocations: 3.984 kB / 0.6174 GB, free: 7.102 MB / 462.1 MB
Notification: Performance of FrontEnd: time 1.723e-06/0.485, allocations: 4 kB / 0.6174 GB, free: 7.098 MB / 462.1 MB
Notification: Performance of Transformations before backend: time 0.0001855/0.4852, allocations: 0 / 0.6174 GB, free: 7.098 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 0.008195/0.4934, allocations: 3.833 MB / 0.6212 GB, free: 3.207 MB / 462.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.817e-05/0.4935, allocations: 11.97 kB / 0.6212 GB, free: 3.195 MB / 462.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01146/0.5049, allocations: 2.337 MB / 0.6235 GB, free: 0.8516 MB / 462.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005402/0.5104, allocations: 2.194 MB / 0.6256 GB, free: 14.61 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002046/0.5106, allocations: 267.5 kB / 0.6259 GB, free: 14.35 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001097/0.5117, allocations: 351.9 kB / 0.6262 GB, free: 14 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01355/0.5253, allocations: 7.124 MB / 0.6332 GB, free: 6.777 MB / 478.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 7.65e-05/0.5254, allocations: 3.938 kB / 0.6332 GB, free: 6.773 MB / 478.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004298/0.5258, allocations: 152 kB / 0.6333 GB, free: 6.625 MB / 478.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004118/0.5262, allocations: 330.1 kB / 0.6336 GB, free: 6.301 MB / 478.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01428/0.5405, allocations: 7.005 MB / 0.6405 GB, free: 15.28 MB / 494.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04162/0.5822, allocations: 26.43 MB / 0.6663 GB, free: 2.68 MB / 0.4981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01173/0.5939, allocations: 4.995 MB / 0.6712 GB, free: 13.38 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007759/0.6017, allocations: 2.596 MB / 0.6737 GB, free: 10.76 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004039/0.6021, allocations: 127 kB / 0.6738 GB, free: 10.62 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.876e-05/0.6022, allocations: 60.5 kB / 0.6739 GB, free: 10.55 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=208): time 8.506e-06/0.6022, allocations: 7.984 kB / 0.6739 GB, free: 10.54 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 0.09449/0.6967, allocations: 30.95 MB / 0.7041 GB, free: 11.51 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001177/0.6969, allocations: 235.6 kB / 0.7043 GB, free: 11.23 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001892/0.6988, allocations: 1.449 MB / 0.7057 GB, free: 9.773 MB / 0.545 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004186/0.6992, allocations: 73.7 kB / 0.7058 GB, free: 9.695 MB / 0.545 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008782/0.7001, allocations: 1.493 MB / 0.7073 GB, free: 8.18 MB / 0.545 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008451/0.7009, allocations: 0.9281 MB / 0.7082 GB, free: 7.238 MB / 0.545 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001029/0.702, allocations: 0.6202 MB / 0.7088 GB, free: 6.609 MB / 0.545 GB
Notification: Performance of setup shared object (initialization): time 0.000107/0.7021, allocations: 309 kB / 0.7091 GB, free: 6.305 MB / 0.545 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005316/0.7074, allocations: 2.674 MB / 0.7117 GB, free: 3.621 MB / 0.545 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006084/0.7135, allocations: 3.548 MB / 0.7152 GB, free: 15.69 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01192/0.7255, allocations: 6.379 MB / 0.7214 GB, free: 8.914 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.073e-05/0.7255, allocations: 8 kB / 0.7214 GB, free: 8.906 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 0.0262/0.7517, allocations: 10.95 MB / 0.7321 GB, free: 13.84 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.43e-05/0.7518, allocations: 20 kB / 0.7321 GB, free: 13.82 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.547e-05/0.7518, allocations: 24 kB / 0.7321 GB, free: 13.8 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01857/0.7704, allocations: 5.478 MB / 0.7375 GB, free: 8.309 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004265/0.7747, allocations: 0.9866 MB / 0.7384 GB, free: 7.32 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3225/1.097, allocations: 28.14 MB / 0.7659 GB, free: 144 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004388/1.102, allocations: 0.5502 MB / 0.7665 GB, free: 144 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006074/1.102, allocations: 153.8 kB / 0.7666 GB, free: 143.9 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008646/1.111, allocations: 3.966 MB / 0.7705 GB, free: 142.6 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005712/1.117, allocations: 3.522 MB / 0.7739 GB, free: 140.8 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0755/1.192, allocations: 24.55 MB / 0.7979 GB, free: 131.2 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.791e-05/1.192, allocations: 4 kB / 0.7979 GB, free: 131.2 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 0.02026/1.213, allocations: 10.49 MB / 0.8081 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.082e-05/1.213, allocations: 19.98 kB / 0.8082 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.586e-05/1.213, allocations: 30.75 kB / 0.8082 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01239/1.225, allocations: 4.243 MB / 0.8123 GB, free: 116.3 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003939/1.229, allocations: 1.03 MB / 0.8133 GB, free: 115.3 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02633/1.255, allocations: 27.14 MB / 0.8398 GB, free: 87.57 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003875/1.259, allocations: 0.536 MB / 0.8404 GB, free: 87.03 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003949/1.26, allocations: 148 kB / 0.8405 GB, free: 86.89 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 0.000897/1.261, allocations: 398.7 kB / 0.8409 GB, free: 86.51 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004432/1.261, allocations: 209.5 kB / 0.8411 GB, free: 86.3 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 0.02107/1.282, allocations: 10.16 MB / 0.851 GB, free: 76.07 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.359e-05/1.282, allocations: 28 kB / 0.851 GB, free: 76.05 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.437e-05/1.282, allocations: 12 kB / 0.8511 GB, free: 76.04 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.102e-05/1.282, allocations: 15.95 kB / 0.8511 GB, free: 76.02 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 0.02865/1.311, allocations: 16.3 MB / 0.867 GB, free: 59.55 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.274e-05/1.311, allocations: 4 kB / 0.867 GB, free: 59.54 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00273/1.314, allocations: 0.7449 MB / 0.8677 GB, free: 58.8 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01521/1.329, allocations: 5.095 MB / 0.8727 GB, free: 53.69 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005128/1.329, allocations: 75.95 kB / 0.8728 GB, free: 53.61 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0301/1.36, allocations: 27.19 MB / 0.8993 GB, free: 25.95 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.315e-06/1.36, allocations: 12.03 kB / 0.8993 GB, free: 25.94 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 0.02098/1.381, allocations: 10.13 MB / 0.9092 GB, free: 15.55 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002149/1.383, allocations: 0.7197 MB / 0.9099 GB, free: 14.82 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000398/1.383, allocations: 59.98 kB / 0.91 GB, free: 14.76 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002914/1.386, allocations: 0.4991 MB / 0.9105 GB, free: 14.26 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007364/1.387, allocations: 234.4 kB / 0.9107 GB, free: 14.03 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002105/1.387, allocations: 87.95 kB / 0.9108 GB, free: 13.94 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.001089/1.388, allocations: 0.9816 MB / 0.9117 GB, free: 12.96 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.6e-07/1.388, allocations: 0 / 0.9117 GB, free: 12.96 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.005294/1.393, allocations: 1.84 MB / 0.9135 GB, free: 11.12 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 0.0003593/1.394, allocations: 183.9 kB / 0.9137 GB, free: 10.94 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.02315/1.417, allocations: 12.41 MB / 0.9258 GB, free: 14.42 MB / 0.5919 GB
Notification: Performance of simCode: created event and clocks part: time 1.293e-05/1.417, allocations: 0 / 0.9258 GB, free: 14.42 MB / 0.5919 GB
Notification: Performance of simCode: created simulation system equations: time 0.009627/1.427, allocations: 4.399 MB / 0.9301 GB, free: 9.984 MB / 0.5919 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002241/1.429, allocations: 295.8 kB / 0.9304 GB, free: 9.703 MB / 0.5919 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02274/1.452, allocations: 9.475 MB / 0.9397 GB, free: 116 kB / 0.5919 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003409/1.455, allocations: 2.849 MB / 0.9424 GB, free: 13.23 MB / 0.6075 GB
Notification: Performance of simCode: alias equations: time 0.004271/1.459, allocations: 1.637 MB / 0.944 GB, free: 11.59 MB / 0.6075 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006028/1.46, allocations: 175.3 kB / 0.9442 GB, free: 11.42 MB / 0.6075 GB
Notification: Performance of SimCode: time 1.182e-06/1.46, allocations: 0 / 0.9442 GB, free: 11.42 MB / 0.6075 GB
Notification: Performance of Templates: time 0.3425/1.803, allocations: 77.74 MB / 1.02 GB, free: 193 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 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)