Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001516/0.001516, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001917/0.001917, allocations: 194.8 kB / 16.14 MB, free: 6.66 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 / 239.8 MB, free: 4.59 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.814/2.814, allocations: 472.6 MB / 0.7447 GB, free: 5.008 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001859/0.001859, allocations: 63.98 kB / 0.9114 GB, free: 33.71 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3593/0.3612, allocations: 159.9 MB / 1.068 GB, free: 10.93 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01987/0.3811, allocations: 18.14 MB / 1.085 GB, free: 8.715 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01211/0.3933, allocations: 6.917 MB / 1.092 GB, free: 1.781 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002128/0.3954, allocations: 47.88 kB / 1.092 GB, free: 1.734 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.004063/0.3996, allocations: 1.369 MB / 1.093 GB, free: 372 kB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.003851/0.4034, allocations: 1.359 MB / 1.095 GB, free: 15 MB / 0.8575 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003495/0.407, allocations: 1.169 MB / 1.096 GB, free: 13.83 MB / 0.8575 GB
Notification: Performance of NFFlatten.flatten: time 0.008487/0.4155, allocations: 8.518 MB / 1.104 GB, free: 5.297 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01214/0.4276, allocations: 7.927 MB / 1.112 GB, free: 13.27 MB / 0.8731 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004004/0.4316, allocations: 1.986 MB / 1.114 GB, free: 11.28 MB / 0.8731 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005898/0.4376, allocations: 3.074 MB / 1.117 GB, free: 8.195 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.002215/0.4398, allocations: 368 kB / 1.117 GB, free: 7.836 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004538/0.4444, allocations: 1.303 MB / 1.118 GB, free: 6.531 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.004315/0.4487, allocations: 2.097 MB / 1.121 GB, free: 4.43 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.005303/0.454, allocations: 2.019 MB / 1.123 GB, free: 2.402 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.009395/0.4634, allocations: 7.666 MB / 1.13 GB, free: 10.71 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 4.909e-06/0.4635, allocations: 0 / 1.13 GB, free: 10.71 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 1.623e-06/0.4635, allocations: 0 / 1.13 GB, free: 10.71 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0002741/0.4638, allocations: 7.938 kB / 1.13 GB, free: 10.71 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01151/0.4753, allocations: 3.831 MB / 1.134 GB, free: 6.816 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.586e-05/0.4753, allocations: 8.031 kB / 1.134 GB, free: 6.809 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01393/0.4893, allocations: 2.415 MB / 1.136 GB, free: 4.387 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00559/0.4949, allocations: 2.163 MB / 1.138 GB, free: 2.18 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003774/0.4953, allocations: 275.5 kB / 1.138 GB, free: 1.91 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002423/0.4977, allocations: 347.9 kB / 1.139 GB, free: 1.57 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01977/0.5175, allocations: 7.155 MB / 1.146 GB, free: 10.31 MB / 0.9044 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001626/0.5177, allocations: 3.938 kB / 1.146 GB, free: 10.31 MB / 0.9044 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001495/0.5192, allocations: 152 kB / 1.146 GB, free: 10.16 MB / 0.9044 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005643/0.5198, allocations: 334.1 kB / 1.146 GB, free: 9.832 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01926/0.5391, allocations: 7.044 MB / 1.153 GB, free: 2.777 MB / 0.9044 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04457/0.5837, allocations: 26.7 MB / 1.179 GB, free: 5.898 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009977/0.5937, allocations: 4.99 MB / 1.184 GB, free: 0.6016 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006482/0.6002, allocations: 2.596 MB / 1.187 GB, free: 13.98 MB / 0.9512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004805/0.6008, allocations: 135 kB / 1.187 GB, free: 13.84 MB / 0.9512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.768e-05/0.6009, allocations: 64.5 kB / 1.187 GB, free: 13.76 MB / 0.9512 GB
Notification: Performance of pre-optimization done (n=208): time 5.731e-06/0.6009, allocations: 0 / 1.187 GB, free: 13.76 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 0.1136/0.7145, allocations: 30.93 MB / 1.217 GB, free: 14.75 MB / 0.9825 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001561/0.7147, allocations: 243.6 kB / 1.217 GB, free: 14.46 MB / 0.9825 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002988/0.7177, allocations: 1.469 MB / 1.219 GB, free: 12.99 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009476/0.7186, allocations: 73.7 kB / 1.219 GB, free: 12.91 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001455/0.7201, allocations: 1.497 MB / 1.22 GB, free: 11.39 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001978/0.7221, allocations: 0.9165 MB / 1.221 GB, free: 10.46 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002245/0.7244, allocations: 0.6318 MB / 1.222 GB, free: 9.82 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001325/0.7245, allocations: 317 kB / 1.222 GB, free: 9.508 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006652/0.7312, allocations: 2.682 MB / 1.225 GB, free: 6.816 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007584/0.7388, allocations: 3.571 MB / 1.228 GB, free: 2.867 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01437/0.7532, allocations: 6.391 MB / 1.234 GB, free: 12.08 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.317e-05/0.7533, allocations: 8 kB / 1.234 GB, free: 12.07 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 0.03121/0.7845, allocations: 10.99 MB / 1.245 GB, free: 0.9727 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 6.537e-05/0.7846, allocations: 16 kB / 1.245 GB, free: 0.957 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.774e-05/0.7847, allocations: 24.19 kB / 1.245 GB, free: 0.9336 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6457/1.43, allocations: 5.549 MB / 1.251 GB, free: 164.7 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005557/1.436, allocations: 0.9982 MB / 1.252 GB, free: 164.7 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04144/1.478, allocations: 25.78 MB / 1.277 GB, free: 153.9 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005372/1.483, allocations: 0.5764 MB / 1.277 GB, free: 153.8 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001062/1.484, allocations: 154.2 kB / 1.277 GB, free: 153.8 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008854/1.493, allocations: 3.989 MB / 1.281 GB, free: 152.4 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006431/1.499, allocations: 3.528 MB / 1.285 GB, free: 150.6 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08528/1.585, allocations: 24.62 MB / 1.309 GB, free: 139.8 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.708e-05/1.585, allocations: 8 kB / 1.309 GB, free: 139.8 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 0.02429/1.609, allocations: 10.53 MB / 1.319 GB, free: 129.2 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 5.002e-05/1.609, allocations: 20.12 kB / 1.319 GB, free: 129.2 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.133e-05/1.609, allocations: 31.98 kB / 1.319 GB, free: 129.2 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01424/1.623, allocations: 4.315 MB / 1.323 GB, free: 124.8 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004403/1.628, allocations: 1.037 MB / 1.324 GB, free: 123.8 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02806/1.656, allocations: 24.97 MB / 1.349 GB, free: 98.2 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004348/1.66, allocations: 0.5537 MB / 1.349 GB, free: 97.65 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006286/1.661, allocations: 144 kB / 1.349 GB, free: 97.51 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 0.001346/1.662, allocations: 409.1 kB / 1.35 GB, free: 97.12 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007886/1.663, allocations: 201.6 kB / 1.35 GB, free: 96.92 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 0.02377/1.687, allocations: 10.16 MB / 1.36 GB, free: 86.68 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.561e-05/1.687, allocations: 33.61 kB / 1.36 GB, free: 86.66 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.321e-05/1.687, allocations: 16 kB / 1.36 GB, free: 86.64 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.982e-05/1.687, allocations: 11.95 kB / 1.36 GB, free: 86.63 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 0.03386/1.721, allocations: 16.35 MB / 1.376 GB, free: 70.11 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.624e-05/1.721, allocations: 8 kB / 1.376 GB, free: 70.1 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003285/1.724, allocations: 0.7376 MB / 1.377 GB, free: 69.36 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01753/1.742, allocations: 5.177 MB / 1.382 GB, free: 64.17 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007389/1.743, allocations: 71.94 kB / 1.382 GB, free: 64.1 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03289/1.776, allocations: 24.85 MB / 1.406 GB, free: 38.78 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.12e-05/1.776, allocations: 12.03 kB / 1.406 GB, free: 38.77 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 0.02359/1.799, allocations: 10.13 MB / 1.416 GB, free: 28.39 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001822/1.801, allocations: 0.7286 MB / 1.417 GB, free: 27.64 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009127/1.802, allocations: 52 kB / 1.417 GB, free: 27.59 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003776/1.806, allocations: 0.5109 MB / 1.417 GB, free: 27.08 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009736/1.807, allocations: 226.3 kB / 1.417 GB, free: 26.86 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003777/1.807, allocations: 91.95 kB / 1.418 GB, free: 26.77 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001556/1.809, allocations: 1.005 MB / 1.419 GB, free: 25.76 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 1.9e-07/1.809, allocations: 0 / 1.419 GB, free: 25.76 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.007817/1.817, allocations: 1.855 MB / 1.42 GB, free: 23.91 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 0.0006376/1.817, allocations: 179.3 kB / 1.421 GB, free: 23.73 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02722/1.845, allocations: 12.39 MB / 1.433 GB, free: 11.24 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.548e-05/1.845, allocations: 8 kB / 1.433 GB, free: 11.23 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.01036/1.855, allocations: 4.38 MB / 1.437 GB, free: 6.816 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003985/1.859, allocations: 281.5 kB / 1.437 GB, free: 6.543 MB / 0.9981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02597/1.885, allocations: 11.12 MB / 1.448 GB, free: 11.31 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00472/1.89, allocations: 2.842 MB / 1.451 GB, free: 8.434 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.006273/1.896, allocations: 1.653 MB / 1.452 GB, free: 6.777 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009539/1.897, allocations: 175.3 kB / 1.453 GB, free: 6.605 MB / 1.014 GB
Notification: Performance of SimCode: time 1.192e-06/1.897, allocations: 0 / 1.453 GB, free: 6.605 MB / 1.014 GB
Notification: Performance of Templates: time 0.1273/2.024, allocations: 75.55 MB / 1.526 GB, free: 11.23 MB / 1.092 GB
make -j1 -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile
(rm -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)