Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_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_3.0.0_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_3.0.0_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 0.001091/0.001091, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001129/0.001129, allocations: 194.9 kB / 16.53 MB, free: 6.391 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.388/1.388, allocations: 222.9 MB / 240.2 MB, free: 4.375 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.71/2.71, allocations: 472.6 MB / 0.7451 GB, free: 4.625 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001244/0.001244, allocations: 63.05 kB / 0.9121 GB, free: 33.34 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3185/0.3198, allocations: 159.9 MB / 1.068 GB, free: 10.39 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02177/0.3416, allocations: 18.17 MB / 1.086 GB, free: 8.145 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01197/0.3536, allocations: 6.811 MB / 1.093 GB, free: 1.316 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001759/0.3554, allocations: 59.88 kB / 1.093 GB, free: 1.258 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.004087/0.3596, allocations: 1.465 MB / 1.094 GB, free: 15.79 MB / 0.8575 GB
Notification: Performance of NFTyping.typeBindings: time 0.003919/0.3635, allocations: 1.42 MB / 1.095 GB, free: 14.36 MB / 0.8575 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003884/0.3674, allocations: 1.259 MB / 1.097 GB, free: 13.1 MB / 0.8575 GB
Notification: Performance of NFFlatten.flatten: time 0.008246/0.3757, allocations: 5.453 MB / 1.102 GB, free: 7.637 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009631/0.3854, allocations: 7.174 MB / 1.109 GB, free: 352 kB / 0.8575 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003721/0.3891, allocations: 2.342 MB / 1.111 GB, free: 14 MB / 0.8731 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004803/0.394, allocations: 2.949 MB / 1.114 GB, free: 11.04 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.001643/0.3956, allocations: 0.5117 MB / 1.115 GB, free: 10.53 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00317/0.3988, allocations: 1.276 MB / 1.116 GB, free: 9.25 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.003255/0.4021, allocations: 2.238 MB / 1.118 GB, free: 7.008 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.005091/0.4072, allocations: 2.167 MB / 1.12 GB, free: 4.832 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.01145/0.4187, allocations: 7.701 MB / 1.128 GB, free: 13.11 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.4187, allocations: 3.938 kB / 1.128 GB, free: 13.11 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 1.152e-06/0.4187, allocations: 0 / 1.128 GB, free: 13.11 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0002971/0.4191, allocations: 0 / 1.128 GB, free: 13.11 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 0.01194/0.431, allocations: 3.792 MB / 1.131 GB, free: 9.254 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.242e-05/0.4311, allocations: 8.031 kB / 1.131 GB, free: 9.246 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01409/0.4452, allocations: 2.407 MB / 1.134 GB, free: 6.832 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005309/0.4505, allocations: 2.155 MB / 1.136 GB, free: 4.633 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003363/0.4509, allocations: 271.4 kB / 1.136 GB, free: 4.367 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001555/0.4525, allocations: 347.8 kB / 1.137 GB, free: 4.027 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02/0.4725, allocations: 7.122 MB / 1.143 GB, free: 12.8 MB / 0.9044 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001609/0.4727, allocations: 3.938 kB / 1.143 GB, free: 12.8 MB / 0.9044 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001617/0.4743, allocations: 151.9 kB / 1.144 GB, free: 12.65 MB / 0.9044 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006452/0.475, allocations: 338 kB / 1.144 GB, free: 12.32 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01975/0.4947, allocations: 7.028 MB / 1.151 GB, free: 5.277 MB / 0.9044 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04161/0.5364, allocations: 26.61 MB / 1.177 GB, free: 8.496 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009256/0.5457, allocations: 4.992 MB / 1.182 GB, free: 3.203 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006221/0.552, allocations: 2.604 MB / 1.184 GB, free: 0.5781 MB / 0.9356 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003308/0.5523, allocations: 131 kB / 1.184 GB, free: 444 kB / 0.9356 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.894e-05/0.5524, allocations: 68.48 kB / 1.184 GB, free: 364 kB / 0.9356 GB
Notification: Performance of pre-optimization done (n=208): time 4.779e-06/0.5524, allocations: 0 / 1.184 GB, free: 364 kB / 0.9356 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 0.1105/0.6629, allocations: 30.89 MB / 1.215 GB, free: 1.375 MB / 0.9669 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001475/0.6631, allocations: 235.6 kB / 1.215 GB, free: 1.098 MB / 0.9669 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002842/0.6659, allocations: 1.427 MB / 1.216 GB, free: 15.66 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006252/0.6666, allocations: 73.7 kB / 1.216 GB, free: 15.58 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001151/0.6677, allocations: 1.482 MB / 1.218 GB, free: 14.08 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001497/0.6692, allocations: 0.9204 MB / 1.219 GB, free: 13.14 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002033/0.6713, allocations: 0.6357 MB / 1.219 GB, free: 12.5 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.000123/0.6714, allocations: 301.1 kB / 1.22 GB, free: 12.2 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006658/0.6781, allocations: 2.698 MB / 1.222 GB, free: 9.496 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007237/0.6854, allocations: 3.563 MB / 1.226 GB, free: 5.559 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01365/0.699, allocations: 6.406 MB / 1.232 GB, free: 14.75 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.804e-05/0.6991, allocations: 4 kB / 1.232 GB, free: 14.75 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 0.03166/0.7308, allocations: 10.99 MB / 1.243 GB, free: 3.66 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 7.114e-05/0.7309, allocations: 16 kB / 1.243 GB, free: 3.645 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.421e-05/0.731, allocations: 31.98 kB / 1.243 GB, free: 3.613 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6381/1.369, allocations: 5.576 MB / 1.248 GB, free: 165 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004809/1.374, allocations: 0.9936 MB / 1.249 GB, free: 165 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04563/1.42, allocations: 28.21 MB / 1.277 GB, free: 152.7 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004592/1.424, allocations: 0.5673 MB / 1.277 GB, free: 152.7 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006807/1.425, allocations: 154.8 kB / 1.277 GB, free: 152.6 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008025/1.433, allocations: 3.994 MB / 1.281 GB, free: 151.3 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006447/1.439, allocations: 3.529 MB / 1.285 GB, free: 149.4 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08545/1.525, allocations: 24.67 MB / 1.309 GB, free: 139.2 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.012e-05/1.525, allocations: 7.875 kB / 1.309 GB, free: 139.2 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 0.02361/1.549, allocations: 10.53 MB / 1.319 GB, free: 129.3 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 4.066e-05/1.549, allocations: 16 kB / 1.319 GB, free: 129.3 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.993e-05/1.549, allocations: 28 kB / 1.319 GB, free: 129.3 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01406/1.563, allocations: 4.348 MB / 1.323 GB, free: 124.9 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004377/1.567, allocations: 1.041 MB / 1.324 GB, free: 123.9 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02952/1.597, allocations: 27.14 MB / 1.351 GB, free: 96.1 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00451/1.601, allocations: 0.5545 MB / 1.351 GB, free: 95.54 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00059/1.602, allocations: 155.9 kB / 1.352 GB, free: 95.39 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 0.001193/1.603, allocations: 388.5 kB / 1.352 GB, free: 95.02 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007688/1.604, allocations: 201.7 kB / 1.352 GB, free: 94.82 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 0.02454/1.628, allocations: 10.16 MB / 1.362 GB, free: 84.59 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.094e-05/1.628, allocations: 28 kB / 1.362 GB, free: 84.56 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.822e-05/1.629, allocations: 12 kB / 1.362 GB, free: 84.55 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.19e-05/1.629, allocations: 19.94 kB / 1.362 GB, free: 84.53 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 0.03434/1.663, allocations: 16.34 MB / 1.378 GB, free: 68.02 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.354e-05/1.663, allocations: 16.09 kB / 1.378 GB, free: 68 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003447/1.667, allocations: 0.7371 MB / 1.379 GB, free: 67.27 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01773/1.684, allocations: 5.2 MB / 1.384 GB, free: 62.05 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006408/1.685, allocations: 75.95 kB / 1.384 GB, free: 61.98 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03523/1.72, allocations: 27.23 MB / 1.411 GB, free: 34.27 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.564e-05/1.72, allocations: 15.94 kB / 1.411 GB, free: 34.25 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 0.02441/1.745, allocations: 10.13 MB / 1.42 GB, free: 23.87 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001588/1.746, allocations: 0.7132 MB / 1.421 GB, free: 23.14 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007351/1.747, allocations: 65.72 kB / 1.421 GB, free: 23.08 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003799/1.751, allocations: 0.5109 MB / 1.422 GB, free: 22.57 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000815/1.752, allocations: 226.3 kB / 1.422 GB, free: 22.34 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003165/1.752, allocations: 91.95 kB / 1.422 GB, free: 22.25 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001475/1.753, allocations: 0.9684 MB / 1.423 GB, free: 21.28 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 2.81e-07/1.753, allocations: 0 / 1.423 GB, free: 21.28 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.006475/1.76, allocations: 1.848 MB / 1.425 GB, free: 19.43 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 0.0004833/1.76, allocations: 183.2 kB / 1.425 GB, free: 19.25 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.03106/1.792, allocations: 14.39 MB / 1.439 GB, free: 4.781 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.496e-05/1.792, allocations: 0 / 1.439 GB, free: 4.781 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.01009/1.802, allocations: 4.401 MB / 1.443 GB, free: 360 kB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002932/1.805, allocations: 261.7 kB / 1.444 GB, free: 100 kB / 0.9981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02719/1.832, allocations: 9.508 MB / 1.453 GB, free: 6.484 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005022/1.837, allocations: 2.836 MB / 1.456 GB, free: 3.613 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.006417/1.843, allocations: 1.645 MB / 1.457 GB, free: 1.965 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008386/1.844, allocations: 171.3 kB / 1.457 GB, free: 1.797 MB / 1.014 GB
Notification: Performance of SimCode: time 8.31e-07/1.844, allocations: 0 / 1.457 GB, free: 1.797 MB / 1.014 GB
Notification: Performance of Templates: time 0.122/1.966, allocations: 77.62 MB / 1.533 GB, free: 4.348 MB / 1.092 GB
make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile
(rm -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)