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 0.001321/0.001321, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001248/0.001248, allocations: 188.7 kB / 16.25 MB, free: 6.629 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.374/1.374, allocations: 222.9 MB / 239.9 MB, free: 4.508 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.743/2.743, allocations: 472.6 MB / 0.7448 GB, free: 4.91 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001391/0.001391, allocations: 70.55 kB / 0.9116 GB, free: 33.5 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3436/0.345, allocations: 159.9 MB / 1.068 GB, free: 10.75 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02241/0.3675, allocations: 18.06 MB / 1.085 GB, free: 8.625 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01257/0.3801, allocations: 6.773 MB / 1.092 GB, free: 1.836 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00217/0.3823, allocations: 43.88 kB / 1.092 GB, free: 1.793 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.004405/0.3868, allocations: 1.358 MB / 1.093 GB, free: 444 kB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.00425/0.391, allocations: 1.316 MB / 1.095 GB, free: 15.11 MB / 0.8575 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003358/0.3944, allocations: 1.166 MB / 1.096 GB, free: 13.95 MB / 0.8575 GB
Notification: Performance of NFFlatten.flatten: time 0.006571/0.401, allocations: 5.468 MB / 1.101 GB, free: 8.469 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.013/0.414, allocations: 8.463 MB / 1.109 GB, free: 15.89 MB / 0.8731 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004455/0.4185, allocations: 2.368 MB / 1.112 GB, free: 13.52 MB / 0.8731 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005151/0.4237, allocations: 3.121 MB / 1.115 GB, free: 10.39 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.001801/0.4255, allocations: 0.5156 MB / 1.115 GB, free: 9.879 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003425/0.4289, allocations: 1.276 MB / 1.116 GB, free: 8.602 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.003598/0.4326, allocations: 2.23 MB / 1.119 GB, free: 6.367 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.003724/0.4363, allocations: 2.175 MB / 1.121 GB, free: 4.184 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.007714/0.444, allocations: 7.752 MB / 1.128 GB, free: 12.41 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 6.312e-06/0.4441, allocations: 4 kB / 1.128 GB, free: 12.41 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 1.883e-06/0.4441, allocations: 0 / 1.128 GB, free: 12.41 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0002166/0.4443, allocations: 0 / 1.128 GB, free: 12.41 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 0.009096/0.4534, allocations: 3.78 MB / 1.132 GB, free: 8.566 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.336e-05/0.4535, allocations: 12.03 kB / 1.132 GB, free: 8.555 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01318/0.4667, allocations: 2.411 MB / 1.134 GB, free: 6.137 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005018/0.4717, allocations: 2.159 MB / 1.137 GB, free: 3.934 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002047/0.4719, allocations: 267.4 kB / 1.137 GB, free: 3.672 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009981/0.4729, allocations: 347.8 kB / 1.137 GB, free: 3.332 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01714/0.4901, allocations: 7.122 MB / 1.144 GB, free: 12.11 MB / 0.9044 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001452/0.4903, allocations: 7.938 kB / 1.144 GB, free: 12.1 MB / 0.9044 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001276/0.4915, allocations: 151.9 kB / 1.144 GB, free: 11.95 MB / 0.9044 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005806/0.4921, allocations: 334 kB / 1.145 GB, free: 11.62 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01842/0.5106, allocations: 7.039 MB / 1.151 GB, free: 4.57 MB / 0.9044 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03901/0.5496, allocations: 26.61 MB / 1.177 GB, free: 7.781 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008742/0.5584, allocations: 4.984 MB / 1.182 GB, free: 2.492 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006125/0.5645, allocations: 2.604 MB / 1.185 GB, free: 15.86 MB / 0.9512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003521/0.5649, allocations: 131 kB / 1.185 GB, free: 15.72 MB / 0.9512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.167e-05/0.565, allocations: 64.5 kB / 1.185 GB, free: 15.64 MB / 0.9512 GB
Notification: Performance of pre-optimization done (n=208): time 6.352e-06/0.565, allocations: 0 / 1.185 GB, free: 15.64 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 0.108/0.673, allocations: 30.89 MB / 1.215 GB, free: 0.6758 MB / 0.9669 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001066/0.6731, allocations: 239.6 kB / 1.215 GB, free: 404 kB / 0.9669 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002022/0.6752, allocations: 1.423 MB / 1.217 GB, free: 14.96 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004756/0.6757, allocations: 69.7 kB / 1.217 GB, free: 14.89 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008696/0.6765, allocations: 1.485 MB / 1.218 GB, free: 13.38 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009478/0.6775, allocations: 0.9205 MB / 1.219 GB, free: 12.45 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001124/0.6786, allocations: 0.6395 MB / 1.22 GB, free: 11.8 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001333/0.6788, allocations: 301.1 kB / 1.22 GB, free: 11.5 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005901/0.6847, allocations: 2.694 MB / 1.223 GB, free: 8.797 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006596/0.6913, allocations: 3.571 MB / 1.226 GB, free: 4.848 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01297/0.7043, allocations: 6.402 MB / 1.232 GB, free: 14.05 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.014e-05/0.7043, allocations: 8 kB / 1.232 GB, free: 14.04 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 0.02726/0.7316, allocations: 10.99 MB / 1.243 GB, free: 2.941 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 4.324e-05/0.7317, allocations: 16 kB / 1.243 GB, free: 2.926 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.363e-05/0.7317, allocations: 28 kB / 1.243 GB, free: 2.898 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6669/1.399, allocations: 5.577 MB / 1.249 GB, free: 165.2 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004584/1.403, allocations: 0.994 MB / 1.25 GB, free: 165.2 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04414/1.447, allocations: 28.19 MB / 1.277 GB, free: 153 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004604/1.452, allocations: 0.5671 MB / 1.278 GB, free: 152.9 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005214/1.453, allocations: 153.8 kB / 1.278 GB, free: 152.9 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007732/1.46, allocations: 3.99 MB / 1.282 GB, free: 151.6 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006211/1.467, allocations: 3.53 MB / 1.285 GB, free: 149.7 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08516/1.552, allocations: 24.68 MB / 1.309 GB, free: 139.2 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.284e-05/1.552, allocations: 7.688 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 0.02425/1.576, allocations: 10.55 MB / 1.32 GB, free: 128.8 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.62e-05/1.576, allocations: 16 kB / 1.32 GB, free: 128.8 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.922e-05/1.576, allocations: 24 kB / 1.32 GB, free: 128.8 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01414/1.59, allocations: 4.339 MB / 1.324 GB, free: 124.4 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004425/1.595, allocations: 1.037 MB / 1.325 GB, free: 123.4 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02904/1.624, allocations: 27.16 MB / 1.351 GB, free: 95.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004478/1.628, allocations: 0.5571 MB / 1.352 GB, free: 95.05 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006437/1.629, allocations: 148 kB / 1.352 GB, free: 94.91 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 0.001221/1.63, allocations: 399.8 kB / 1.353 GB, free: 94.52 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008274/1.631, allocations: 200.6 kB / 1.353 GB, free: 94.33 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 0.02485/1.656, allocations: 10.16 MB / 1.363 GB, free: 84.1 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.11e-05/1.656, allocations: 28 kB / 1.363 GB, free: 84.07 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.079e-05/1.656, allocations: 12 kB / 1.363 GB, free: 84.06 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.996e-05/1.656, allocations: 19.89 kB / 1.363 GB, free: 84.04 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 0.03308/1.689, allocations: 16.33 MB / 1.379 GB, free: 67.53 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.559e-05/1.689, allocations: 11.94 kB / 1.379 GB, free: 67.52 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003321/1.693, allocations: 0.7419 MB / 1.379 GB, free: 66.77 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01818/1.711, allocations: 5.194 MB / 1.384 GB, free: 61.57 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00078/1.712, allocations: 75.95 kB / 1.385 GB, free: 61.49 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03537/1.747, allocations: 27.24 MB / 1.411 GB, free: 33.77 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.808e-06/1.747, allocations: 11.94 kB / 1.411 GB, free: 33.76 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 0.024/1.771, allocations: 10.13 MB / 1.421 GB, free: 23.39 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002002/1.773, allocations: 0.7253 MB / 1.422 GB, free: 22.64 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006699/1.774, allocations: 55.98 kB / 1.422 GB, free: 22.59 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003473/1.777, allocations: 0.5031 MB / 1.422 GB, free: 22.09 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000846/1.778, allocations: 230.3 kB / 1.423 GB, free: 21.86 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002228/1.778, allocations: 91.95 kB / 1.423 GB, free: 21.77 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001304/1.78, allocations: 0.9801 MB / 1.424 GB, free: 20.79 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 2e-07/1.78, allocations: 0 / 1.424 GB, free: 20.79 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.006998/1.787, allocations: 1.84 MB / 1.425 GB, free: 18.95 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 0.0004208/1.787, allocations: 180.6 kB / 1.426 GB, free: 18.77 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.0291/1.816, allocations: 14.39 MB / 1.44 GB, free: 4.293 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.486e-05/1.816, allocations: 3.938 kB / 1.44 GB, free: 4.289 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.009521/1.826, allocations: 4.395 MB / 1.444 GB, free: 15.86 MB / 1.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002287/1.828, allocations: 268.2 kB / 1.444 GB, free: 15.61 MB / 1.014 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02735/1.856, allocations: 11.06 MB / 1.455 GB, free: 4.441 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004948/1.861, allocations: 2.833 MB / 1.458 GB, free: 1.574 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.006472/1.867, allocations: 1.653 MB / 1.459 GB, free: 15.92 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007535/1.868, allocations: 171.3 kB / 1.459 GB, free: 15.75 MB / 1.029 GB
Notification: Performance of SimCode: time 1.653e-06/1.868, allocations: 4 kB / 1.459 GB, free: 15.75 MB / 1.029 GB
Notification: Performance of Templates: time 0.1259/1.994, allocations: 77.9 MB / 1.536 GB, free: 2.016 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)