Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001461/0.001461, allocations: 107.8 kB / 15.99 MB, free: 5.906 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001803/0.001803, allocations: 191.4 kB / 16.9 MB, free: 5.758 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.333/1.333, allocations: 222.9 MB / 240.6 MB, free: 15.36 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7605/0.7605, allocations: 122.9 MB / 413.6 MB, free: 24 kB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001355/0.001355, allocations: 63.89 kB / 0.4906 GB, free: 7.766 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3808/0.3822, allocations: 77.91 MB / 0.5667 GB, free: 32.61 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01897/0.4012, allocations: 18.13 MB / 0.5844 GB, free: 20.54 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01022/0.4115, allocations: 6.771 MB / 0.591 GB, free: 15.3 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002536/0.4141, allocations: 45.84 kB / 0.5911 GB, free: 15.29 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003592/0.4177, allocations: 1.366 MB / 0.5924 GB, free: 14.25 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.00384/0.4216, allocations: 1.325 MB / 0.5937 GB, free: 13.23 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003298/0.4249, allocations: 1.162 MB / 0.5948 GB, free: 12.35 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.006177/0.4311, allocations: 5.484 MB / 0.6002 GB, free: 8.625 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.01117/0.4423, allocations: 8.539 MB / 0.6085 GB, free: 48 kB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.004102/0.4464, allocations: 2.376 MB / 0.6109 GB, free: 13.66 MB / 462.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.004578/0.451, allocations: 3.144 MB / 0.6139 GB, free: 10.51 MB / 462.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0008976/0.4519, allocations: 0.5117 MB / 0.6144 GB, free: 9.996 MB / 462.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.002451/0.4544, allocations: 1.276 MB / 0.6157 GB, free: 8.719 MB / 462.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.002198/0.4566, allocations: 2.246 MB / 0.6179 GB, free: 6.469 MB / 462.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0026/0.4592, allocations: 2.194 MB / 0.62 GB, free: 4.266 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.007349/0.4666, allocations: 7.787 MB / 0.6276 GB, free: 12.46 MB / 478.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.939e-06/0.4666, allocations: 0 / 0.6276 GB, free: 12.46 MB / 478.1 MB
Notification: Performance of FrontEnd: time 1.633e-06/0.4666, allocations: 0 / 0.6276 GB, free: 12.46 MB / 478.1 MB
Notification: Performance of Transformations before backend: time 0.0001509/0.4668, allocations: 0 / 0.6276 GB, free: 12.46 MB / 478.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.007641/0.4744, allocations: 3.824 MB / 0.6313 GB, free: 8.574 MB / 478.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.928e-05/0.4745, allocations: 12.62 kB / 0.6314 GB, free: 8.562 MB / 478.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01297/0.4874, allocations: 2.415 MB / 0.6337 GB, free: 6.141 MB / 478.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004645/0.4921, allocations: 2.167 MB / 0.6358 GB, free: 3.93 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002132/0.4924, allocations: 267.5 kB / 0.6361 GB, free: 3.668 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008372/0.4932, allocations: 347.9 kB / 0.6364 GB, free: 3.328 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01529/0.5085, allocations: 7.162 MB / 0.6434 GB, free: 12.07 MB / 494.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 7.355e-05/0.5086, allocations: 4 kB / 0.6434 GB, free: 12.06 MB / 494.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004423/0.5091, allocations: 152 kB / 0.6436 GB, free: 11.91 MB / 494.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004596/0.5095, allocations: 330.1 kB / 0.6439 GB, free: 11.59 MB / 494.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01629/0.5258, allocations: 7.051 MB / 0.6508 GB, free: 4.523 MB / 494.1 MB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03282/0.5587, allocations: 26.73 MB / 0.6769 GB, free: 7.609 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008025/0.5667, allocations: 4.995 MB / 0.6818 GB, free: 2.301 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005743/0.5725, allocations: 2.6 MB / 0.6843 GB, free: 15.69 MB / 0.5294 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002669/0.5728, allocations: 131 kB / 0.6844 GB, free: 15.55 MB / 0.5294 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.704e-05/0.5728, allocations: 64.5 kB / 0.6845 GB, free: 15.47 MB / 0.5294 GB
Notification: Performance of pre-optimization done (n=208): time 4.839e-06/0.5729, allocations: 0 / 0.6845 GB, free: 15.47 MB / 0.5294 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.conv1.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.conv1.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 0.1065/0.6794, allocations: 30.96 MB / 0.7147 GB, free: 432 kB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001271/0.6795, allocations: 239.6 kB / 0.7149 GB, free: 144 kB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002071/0.6816, allocations: 1.469 MB / 0.7164 GB, free: 14.66 MB / 0.5606 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004872/0.6821, allocations: 69.7 kB / 0.7164 GB, free: 14.59 MB / 0.5606 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009086/0.683, allocations: 1.501 MB / 0.7179 GB, free: 13.07 MB / 0.5606 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009982/0.684, allocations: 0.9203 MB / 0.7188 GB, free: 12.13 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001191/0.6852, allocations: 0.6357 MB / 0.7194 GB, free: 11.49 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001112/0.6854, allocations: 305.1 kB / 0.7197 GB, free: 11.19 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005964/0.6913, allocations: 2.69 MB / 0.7223 GB, free: 8.488 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006632/0.698, allocations: 3.571 MB / 0.7258 GB, free: 4.543 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01223/0.7102, allocations: 6.399 MB / 0.7321 GB, free: 13.74 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.683e-05/0.7103, allocations: 12 kB / 0.7321 GB, free: 13.73 MB / 0.5762 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : 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.conv1.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.conv1.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 0.02755/0.7378, allocations: 11.02 MB / 0.7429 GB, free: 2.602 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.508e-05/0.7379, allocations: 18.59 kB / 0.7429 GB, free: 2.586 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.906e-05/0.7379, allocations: 24 kB / 0.7429 GB, free: 2.562 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3248/1.063, allocations: 5.552 MB / 0.7483 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004705/1.067, allocations: 0.9951 MB / 0.7493 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.041/1.109, allocations: 28.19 MB / 0.7768 GB, free: 139.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004305/1.113, allocations: 0.569 MB / 0.7774 GB, free: 139.4 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004024/1.113, allocations: 150 kB / 0.7775 GB, free: 139.4 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006675/1.12, allocations: 3.986 MB / 0.7814 GB, free: 137.7 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005389/1.125, allocations: 3.534 MB / 0.7849 GB, free: 135.2 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08088/1.206, allocations: 24.66 MB / 0.8089 GB, free: 112.2 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.986e-05/1.206, allocations: 4 kB / 0.8089 GB, free: 112.2 MB / 0.5762 GB
Warning: The linear system: 
1 : transformer.conv3.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.conv3.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 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.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] ;
  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_n[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 0.02346/1.23, allocations: 10.54 MB / 0.8192 GB, free: 101.6 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.941e-05/1.23, allocations: 16 kB / 0.8193 GB, free: 101.6 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.725e-05/1.23, allocations: 24.19 kB / 0.8193 GB, free: 101.6 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01428/1.244, allocations: 4.329 MB / 0.8235 GB, free: 97.25 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004346/1.249, allocations: 1.045 MB / 0.8245 GB, free: 96.2 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02807/1.277, allocations: 27.13 MB / 0.851 GB, free: 68.41 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00433/1.281, allocations: 0.5535 MB / 0.8516 GB, free: 67.86 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003693/1.281, allocations: 152 kB / 0.8517 GB, free: 67.71 MB / 0.5762 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2]
         0.0 = (-line2.i2[1]) - line2.i1[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 0.0008655/1.282, allocations: 402.8 kB / 0.8521 GB, free: 67.32 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005018/1.283, allocations: 201.6 kB / 0.8523 GB, free: 67.12 MB / 0.5762 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : 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.conv1.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.conv1.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 postOpt wrapFunctionCalls (simulation): time 0.0243/1.307, allocations: 10.17 MB / 0.8622 GB, free: 56.89 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.297e-05/1.307, allocations: 28 kB / 0.8622 GB, free: 56.86 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.059e-05/1.307, allocations: 16 kB / 0.8623 GB, free: 56.84 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.783e-05/1.307, allocations: 15.95 kB / 0.8623 GB, free: 56.83 MB / 0.5762 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : 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]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : 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]
[
  -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.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -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.conv1.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]
]
 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 0.03124/1.339, allocations: 16.31 MB / 0.8782 GB, free: 40.34 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.254e-05/1.339, allocations: 15.92 kB / 0.8782 GB, free: 40.33 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003259/1.342, allocations: 0.7297 MB / 0.8789 GB, free: 39.6 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01719/1.359, allocations: 5.196 MB / 0.884 GB, free: 34.38 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005516/1.36, allocations: 75.94 kB / 0.8841 GB, free: 34.31 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0325/1.392, allocations: 27.25 MB / 0.9107 GB, free: 6.574 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.734e-06/1.392, allocations: 16.03 kB / 0.9107 GB, free: 6.559 MB / 0.5762 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.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] ;
  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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02389/1.416, allocations: 10.09 MB / 0.9206 GB, free: 12.21 MB / 0.5919 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001707/1.418, allocations: 0.7246 MB / 0.9213 GB, free: 11.46 MB / 0.5919 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004762/1.418, allocations: 48 kB / 0.9213 GB, free: 11.42 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003526/1.422, allocations: 0.5148 MB / 0.9218 GB, free: 10.9 MB / 0.5919 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007368/1.423, allocations: 222.4 kB / 0.922 GB, free: 10.69 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002352/1.423, allocations: 87.95 kB / 0.9221 GB, free: 10.6 MB / 0.5919 GB
Notification: Performance of sorting global known variables: time 0.001553/1.424, allocations: 1.005 MB / 0.9231 GB, free: 9.594 MB / 0.5919 GB
Notification: Performance of sort global known variables: time 1.5e-07/1.424, allocations: 0 / 0.9231 GB, free: 9.594 MB / 0.5919 GB
Notification: Performance of remove unused functions: time 0.00621/1.431, allocations: 1.855 MB / 0.9249 GB, free: 7.738 MB / 0.5919 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 0.0004708/1.431, allocations: 187.2 kB / 0.9251 GB, free: 7.555 MB / 0.5919 GB
Notification: Performance of simCode: created initialization part: time 0.03374/1.465, allocations: 14.4 MB / 0.9391 GB, free: 9.07 MB / 0.6075 GB
Notification: Performance of simCode: created event and clocks part: time 9.578e-06/1.465, allocations: 0 / 0.9391 GB, free: 9.07 MB / 0.6075 GB
Notification: Performance of simCode: created simulation system equations: time 0.01107/1.476, allocations: 4.415 MB / 0.9435 GB, free: 4.621 MB / 0.6075 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002934/1.479, allocations: 290.4 kB / 0.9437 GB, free: 4.348 MB / 0.6075 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02583/1.505, allocations: 11.13 MB / 0.9546 GB, free: 9.105 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003811/1.509, allocations: 2.853 MB / 0.9574 GB, free: 6.215 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.005633/1.514, allocations: 1.649 MB / 0.959 GB, free: 4.562 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008665/1.515, allocations: 175.3 kB / 0.9592 GB, free: 4.391 MB / 0.6231 GB
Notification: Performance of SimCode: time 6.31e-07/1.515, allocations: 7.938 kB / 0.9592 GB, free: 4.383 MB / 0.6231 GB
Notification: Performance of Templates: time 0.3453/1.86, allocations: 78.37 MB / 1.036 GB, free: 203.1 MB / 0.6544 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)