Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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/Buildings 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001535/0.001535, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001896/0.001896, allocations: 197.9 kB / 16.14 MB, free: 6.688 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.445/1.445, allocations: 222.9 MB / 239.8 MB, free: 4.625 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.901/2.901, allocations: 472.6 MB / 0.7447 GB, free: 4.895 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001233/0.001233, allocations: 60.06 kB / 0.9114 GB, free: 33.58 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3079/0.3091, allocations: 159.9 MB / 1.068 GB, free: 10.86 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02046/0.3296, allocations: 18.07 MB / 1.085 GB, free: 8.73 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01108/0.3407, allocations: 6.855 MB / 1.092 GB, free: 1.859 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001525/0.3423, allocations: 43.88 kB / 1.092 GB, free: 1.816 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.00402/0.3464, allocations: 1.346 MB / 1.093 GB, free: 480 kB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.004262/0.3507, allocations: 1.347 MB / 1.095 GB, free: 15.12 MB / 0.8575 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003621/0.3543, allocations: 1.158 MB / 1.096 GB, free: 13.96 MB / 0.8575 GB
Notification: Performance of NFFlatten.flatten: time 0.008731/0.363, allocations: 8.503 MB / 1.104 GB, free: 5.438 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01166/0.3747, allocations: 7.892 MB / 1.112 GB, free: 13.45 MB / 0.8731 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003394/0.3781, allocations: 1.982 MB / 1.114 GB, free: 11.46 MB / 0.8731 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004875/0.383, allocations: 3.043 MB / 1.117 GB, free: 8.406 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.001415/0.3845, allocations: 364 kB / 1.117 GB, free: 8.051 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003257/0.3877, allocations: 1.299 MB / 1.118 GB, free: 6.75 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.003168/0.3909, allocations: 2.09 MB / 1.12 GB, free: 4.656 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.004425/0.3954, allocations: 2.003 MB / 1.122 GB, free: 2.645 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.008717/0.4041, allocations: 7.627 MB / 1.13 GB, free: 11 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 5.571e-06/0.4041, allocations: 0 / 1.13 GB, free: 11 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 9.82e-07/0.4041, allocations: 8 kB / 1.13 GB, free: 10.99 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0002005/0.4043, allocations: 0 / 1.13 GB, free: 10.99 MB / 0.8887 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 0.009818/0.4142, allocations: 3.784 MB / 1.133 GB, free: 7.145 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.349e-05/0.4142, allocations: 8.031 kB / 1.133 GB, free: 7.137 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01235/0.4266, allocations: 2.411 MB / 1.136 GB, free: 4.719 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005091/0.4317, allocations: 2.163 MB / 1.138 GB, free: 2.512 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002061/0.4319, allocations: 259.4 kB / 1.138 GB, free: 2.258 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000913/0.4329, allocations: 347.9 kB / 1.138 GB, free: 1.918 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01383/0.4467, allocations: 7.13 MB / 1.145 GB, free: 10.68 MB / 0.9044 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.753e-05/0.4468, allocations: 7.906 kB / 1.145 GB, free: 10.68 MB / 0.9044 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004286/0.4472, allocations: 144 kB / 1.146 GB, free: 10.54 MB / 0.9044 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004399/0.4477, allocations: 334 kB / 1.146 GB, free: 10.21 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01448/0.4622, allocations: 7.028 MB / 1.153 GB, free: 3.168 MB / 0.9044 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0351/0.4973, allocations: 26.62 MB / 1.179 GB, free: 6.367 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008867/0.5062, allocations: 4.997 MB / 1.184 GB, free: 1.062 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005847/0.5121, allocations: 2.604 MB / 1.186 GB, free: 14.44 MB / 0.9512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002893/0.5124, allocations: 127 kB / 1.186 GB, free: 14.3 MB / 0.9512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.444e-05/0.5125, allocations: 64.5 kB / 1.186 GB, free: 14.22 MB / 0.9512 GB
Notification: Performance of pre-optimization done (n=208): time 4.328e-06/0.5125, allocations: 4 kB / 1.186 GB, free: 14.22 MB / 0.9512 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 0.1069/0.6194, allocations: 30.88 MB / 1.216 GB, free: 15.26 MB / 0.9825 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001305/0.6196, allocations: 235.6 kB / 1.217 GB, free: 14.98 MB / 0.9825 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002531/0.6221, allocations: 1.431 MB / 1.218 GB, free: 13.54 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005513/0.6227, allocations: 65.7 kB / 1.218 GB, free: 13.47 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001008/0.6237, allocations: 1.489 MB / 1.22 GB, free: 11.96 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001246/0.625, allocations: 0.9204 MB / 1.221 GB, free: 11.02 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001746/0.6267, allocations: 0.6318 MB / 1.221 GB, free: 10.38 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001016/0.6268, allocations: 305.1 kB / 1.221 GB, free: 10.08 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006238/0.6331, allocations: 2.694 MB / 1.224 GB, free: 7.379 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007819/0.6409, allocations: 3.575 MB / 1.228 GB, free: 3.426 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01419/0.6552, allocations: 6.399 MB / 1.234 GB, free: 12.62 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.124e-05/0.6553, allocations: 8 kB / 1.234 GB, free: 12.62 MB / 0.9981 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 0.03194/0.6872, allocations: 10.99 MB / 1.245 GB, free: 1.523 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 5.574e-05/0.6873, allocations: 16 kB / 1.245 GB, free: 1.508 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.402e-05/0.6873, allocations: 27.94 kB / 1.245 GB, free: 1.48 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.7007/1.388, allocations: 5.56 MB / 1.25 GB, free: 164.3 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004495/1.393, allocations: 0.9896 MB / 1.251 GB, free: 164.3 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03865/1.431, allocations: 25.78 MB / 1.276 GB, free: 153.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004382/1.436, allocations: 0.5712 MB / 1.277 GB, free: 153.5 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007382/1.437, allocations: 150.4 kB / 1.277 GB, free: 153.5 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007996/1.445, allocations: 3.993 MB / 1.281 GB, free: 152.1 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0066/1.451, allocations: 3.531 MB / 1.284 GB, free: 150.3 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08046/1.532, allocations: 24.63 MB / 1.308 GB, free: 140 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.004e-05/1.532, allocations: 12.73 kB / 1.308 GB, free: 140 MB / 0.9981 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 0.02251/1.554, allocations: 10.53 MB / 1.319 GB, free: 129.7 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.59e-05/1.554, allocations: 16.94 kB / 1.319 GB, free: 129.7 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.825e-05/1.554, allocations: 28 kB / 1.319 GB, free: 129.6 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01348/1.568, allocations: 4.316 MB / 1.323 GB, free: 125.3 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003963/1.572, allocations: 1.045 MB / 1.324 GB, free: 124.2 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02646/1.598, allocations: 24.98 MB / 1.348 GB, free: 98.67 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004147/1.602, allocations: 0.5497 MB / 1.349 GB, free: 98.12 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005461/1.603, allocations: 155.9 kB / 1.349 GB, free: 97.97 MB / 0.9981 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 0.001137/1.604, allocations: 394.6 kB / 1.349 GB, free: 97.59 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006763/1.605, allocations: 197.7 kB / 1.349 GB, free: 97.4 MB / 0.9981 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 0.02294/1.628, allocations: 10.17 MB / 1.359 GB, free: 87.16 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.847e-05/1.628, allocations: 28 kB / 1.359 GB, free: 87.14 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.542e-05/1.628, allocations: 12 kB / 1.359 GB, free: 87.12 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.167e-05/1.628, allocations: 15.95 kB / 1.359 GB, free: 87.11 MB / 0.9981 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 0.03269/1.661, allocations: 16.35 MB / 1.375 GB, free: 70.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.978e-05/1.661, allocations: 8 kB / 1.375 GB, free: 70.59 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003133/1.664, allocations: 0.7372 MB / 1.376 GB, free: 69.85 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01738/1.681, allocations: 5.173 MB / 1.381 GB, free: 64.66 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006181/1.682, allocations: 71.95 kB / 1.381 GB, free: 64.59 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03188/1.714, allocations: 24.84 MB / 1.406 GB, free: 39.29 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.949e-06/1.714, allocations: 15.97 kB / 1.406 GB, free: 39.27 MB / 0.9981 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 0.022/1.736, allocations: 10.13 MB / 1.415 GB, free: 28.9 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001474/1.737, allocations: 0.7264 MB / 1.416 GB, free: 28.15 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006234/1.738, allocations: 51.98 kB / 1.416 GB, free: 28.1 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003231/1.741, allocations: 0.5109 MB / 1.417 GB, free: 27.59 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009033/1.742, allocations: 218.4 kB / 1.417 GB, free: 27.38 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003245/1.742, allocations: 91.95 kB / 1.417 GB, free: 27.29 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001515/1.744, allocations: 0.9762 MB / 1.418 GB, free: 26.3 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 1.9e-07/1.744, allocations: 0 / 1.418 GB, free: 26.3 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.006666/1.751, allocations: 1.844 MB / 1.42 GB, free: 24.46 MB / 0.9981 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 0.0004513/1.751, allocations: 185.2 kB / 1.42 GB, free: 24.28 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02479/1.776, allocations: 12.4 MB / 1.432 GB, free: 11.77 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 9.197e-06/1.776, allocations: 1.875 kB / 1.432 GB, free: 11.77 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.008756/1.785, allocations: 4.383 MB / 1.436 GB, free: 7.359 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002167/1.787, allocations: 257.7 kB / 1.437 GB, free: 7.109 MB / 0.9981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0247/1.812, allocations: 11.06 MB / 1.447 GB, free: 11.94 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004812/1.816, allocations: 2.84 MB / 1.45 GB, free: 9.066 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.006138/1.823, allocations: 1.652 MB / 1.452 GB, free: 7.41 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008444/1.824, allocations: 171.3 kB / 1.452 GB, free: 7.242 MB / 1.014 GB
Notification: Performance of SimCode: time 7.31e-07/1.824, allocations: 4 kB / 1.452 GB, free: 7.238 MB / 1.014 GB
Notification: Performance of Templates: time 0.1195/1.943, allocations: 75.04 MB / 1.525 GB, free: 12.36 MB / 1.092 GB
make -j1 -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile
(rm -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)