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 0.001155/0.001155, allocations: 112.4 kB / 17.04 MB, free: 5.809 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001252/0.001252, allocations: 195 kB / 17.98 MB, free: 5.031 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.276/1.276, allocations: 222.9 MB / 241.7 MB, free: 15.15 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6886/0.6886, allocations: 115.1 MB / 406.9 MB, free: 6.289 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001233/0.001233, allocations: 64.12 kB / 494.8 MB, free: 15.79 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3363/0.3376, allocations: 76.14 MB / 0.5576 GB, free: 36.56 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01752/0.3551, allocations: 18.24 MB / 0.5754 GB, free: 24.44 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.009614/0.3648, allocations: 6.81 MB / 0.5821 GB, free: 19.83 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001537/0.3663, allocations: 65.12 kB / 0.5821 GB, free: 19.82 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003326/0.3697, allocations: 1.464 MB / 0.5836 GB, free: 18.95 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.003348/0.3731, allocations: 1.406 MB / 0.5849 GB, free: 18.17 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.003084/0.3762, allocations: 1.29 MB / 0.5862 GB, free: 17.48 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.007397/0.3836, allocations: 5.464 MB / 0.5915 GB, free: 14.92 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.007942/0.3915, allocations: 7.117 MB / 0.5985 GB, free: 10.57 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.003368/0.395, allocations: 2.365 MB / 0.6008 GB, free: 8.203 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.003515/0.3985, allocations: 2.968 MB / 0.6037 GB, free: 5.227 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.001036/0.3995, allocations: 0.5156 MB / 0.6042 GB, free: 4.711 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.00272/0.4023, allocations: 1.276 MB / 0.6054 GB, free: 3.434 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.001801/0.4041, allocations: 2.242 MB / 0.6076 GB, free: 1.188 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.00288/0.407, allocations: 2.187 MB / 0.6098 GB, free: 14.99 MB / 462.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.008344/0.4153, allocations: 7.779 MB / 0.6174 GB, free: 7.188 MB / 462.1 MB
Notification: Performance of FrontEnd - DAE generated: time 5.17e-06/0.4154, allocations: 0 / 0.6174 GB, free: 7.188 MB / 462.1 MB
Notification: Performance of FrontEnd: time 1.543e-06/0.4154, allocations: 0 / 0.6174 GB, free: 7.188 MB / 462.1 MB
Notification: Performance of Transformations before backend: time 0.0001739/0.4155, allocations: 0 / 0.6174 GB, free: 7.188 MB / 462.1 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 0.007735/0.4233, allocations: 3.834 MB / 0.6211 GB, free: 3.293 MB / 462.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.163e-05/0.4233, allocations: 8.031 kB / 0.6211 GB, free: 3.285 MB / 462.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01124/0.4346, allocations: 2.345 MB / 0.6234 GB, free: 0.9336 MB / 462.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00543/0.44, allocations: 2.19 MB / 0.6255 GB, free: 14.7 MB / 478.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002071/0.4403, allocations: 267.5 kB / 0.6258 GB, free: 14.43 MB / 478.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000861/0.4411, allocations: 355.9 kB / 0.6261 GB, free: 14.09 MB / 478.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01265/0.4538, allocations: 7.124 MB / 0.6331 GB, free: 6.859 MB / 478.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 6.916e-05/0.4539, allocations: 11.92 kB / 0.6331 GB, free: 6.848 MB / 478.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003982/0.4543, allocations: 144 kB / 0.6332 GB, free: 6.707 MB / 478.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000423/0.4547, allocations: 338.1 kB / 0.6336 GB, free: 6.375 MB / 478.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01513/0.4699, allocations: 6.993 MB / 0.6404 GB, free: 15.37 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 0.03453/0.5044, allocations: 26.49 MB / 0.6663 GB, free: 2.691 MB / 0.4981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007532/0.512, allocations: 4.992 MB / 0.6711 GB, free: 13.39 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005345/0.5174, allocations: 2.596 MB / 0.6737 GB, free: 10.78 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000237/0.5176, allocations: 127 kB / 0.6738 GB, free: 10.64 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.434e-05/0.5177, allocations: 68.5 kB / 0.6739 GB, free: 10.56 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=208): time 3.987e-06/0.5177, allocations: 0 / 0.6739 GB, free: 10.56 MB / 0.5137 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 0.09321/0.6109, allocations: 30.96 MB / 0.7041 GB, free: 11.52 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001394/0.6111, allocations: 243.6 kB / 0.7043 GB, free: 11.23 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00202/0.6131, allocations: 1.446 MB / 0.7057 GB, free: 9.781 MB / 0.545 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004382/0.6135, allocations: 69.7 kB / 0.7058 GB, free: 9.707 MB / 0.545 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001014/0.6146, allocations: 1.497 MB / 0.7073 GB, free: 8.188 MB / 0.545 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009366/0.6155, allocations: 0.9203 MB / 0.7082 GB, free: 7.254 MB / 0.545 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001055/0.6166, allocations: 0.6318 MB / 0.7088 GB, free: 6.613 MB / 0.545 GB
Notification: Performance of setup shared object (initialization): time 9.722e-05/0.6167, allocations: 305.1 kB / 0.7091 GB, free: 6.312 MB / 0.545 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005372/0.6221, allocations: 2.674 MB / 0.7117 GB, free: 3.629 MB / 0.545 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005952/0.628, allocations: 3.548 MB / 0.7151 GB, free: 15.7 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0113/0.6394, allocations: 6.375 MB / 0.7214 GB, free: 8.926 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.173e-05/0.6394, allocations: 8 kB / 0.7214 GB, free: 8.918 MB / 0.5606 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 0.02589/0.6653, allocations: 10.99 MB / 0.7321 GB, free: 13.82 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 4.294e-05/0.6654, allocations: 20 kB / 0.7321 GB, free: 13.8 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.081e-05/0.6654, allocations: 24 kB / 0.7322 GB, free: 13.77 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01848/0.6839, allocations: 5.462 MB / 0.7375 GB, free: 8.297 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004039/0.688, allocations: 0.9866 MB / 0.7385 GB, free: 7.309 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2821/0.9701, allocations: 28.14 MB / 0.7659 GB, free: 143.9 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004051/0.9742, allocations: 0.5507 MB / 0.7665 GB, free: 143.8 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004022/0.9746, allocations: 150.5 kB / 0.7666 GB, free: 143.8 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007457/0.9821, allocations: 3.97 MB / 0.7705 GB, free: 142.4 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005588/0.9877, allocations: 3.514 MB / 0.7739 GB, free: 140.6 MB / 0.5762 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07546/1.063, allocations: 24.55 MB / 0.7979 GB, free: 131.2 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.5e-05/1.063, allocations: 11.98 kB / 0.7979 GB, free: 131.1 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 0.02174/1.085, allocations: 10.49 MB / 0.8082 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.842e-05/1.085, allocations: 24.08 kB / 0.8082 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.816e-05/1.085, allocations: 28 kB / 0.8082 GB, free: 120.6 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01227/1.097, allocations: 4.243 MB / 0.8124 GB, free: 116.3 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003841/1.101, allocations: 1.03 MB / 0.8134 GB, free: 115.3 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02554/1.127, allocations: 27.12 MB / 0.8398 GB, free: 87.58 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003754/1.131, allocations: 0.536 MB / 0.8404 GB, free: 87.04 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004105/1.131, allocations: 151.9 kB / 0.8405 GB, free: 86.89 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 0.0008322/1.132, allocations: 394.6 kB / 0.8409 GB, free: 86.52 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000534/1.132, allocations: 205.5 kB / 0.8411 GB, free: 86.32 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 0.02162/1.154, allocations: 10.16 MB / 0.851 GB, free: 76.09 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.912e-05/1.154, allocations: 28 kB / 0.851 GB, free: 76.06 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.782e-05/1.154, allocations: 12 kB / 0.851 GB, free: 76.05 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.6e-05/1.154, allocations: 15.94 kB / 0.8511 GB, free: 76.03 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 0.0282/1.182, allocations: 16.26 MB / 0.8669 GB, free: 59.6 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.127e-05/1.182, allocations: 8 kB / 0.867 GB, free: 59.59 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002827/1.185, allocations: 0.741 MB / 0.8677 GB, free: 58.85 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01519/1.2, allocations: 5.091 MB / 0.8726 GB, free: 53.74 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003952/1.201, allocations: 79.94 kB / 0.8727 GB, free: 53.66 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02927/1.23, allocations: 27.21 MB / 0.8993 GB, free: 25.97 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.702e-06/1.23, allocations: 16.03 kB / 0.8993 GB, free: 25.96 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 0.01995/1.25, allocations: 10.09 MB / 0.9092 GB, free: 15.62 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00166/1.252, allocations: 0.7276 MB / 0.9099 GB, free: 14.87 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003353/1.252, allocations: 51.98 kB / 0.9099 GB, free: 14.82 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002779/1.255, allocations: 0.503 MB / 0.9104 GB, free: 14.32 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006108/1.256, allocations: 226.4 kB / 0.9106 GB, free: 14.09 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002001/1.256, allocations: 91.95 kB / 0.9107 GB, free: 14 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.0009448/1.257, allocations: 0.9776 MB / 0.9117 GB, free: 13.02 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.6e-07/1.257, allocations: 4 kB / 0.9117 GB, free: 13.02 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.004527/1.261, allocations: 1.844 MB / 0.9135 GB, free: 11.18 MB / 0.5762 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 0.0003117/1.262, allocations: 176.6 kB / 0.9137 GB, free: 11 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.02215/1.284, allocations: 12.42 MB / 0.9258 GB, free: 14.48 MB / 0.5919 GB
Notification: Performance of simCode: created event and clocks part: time 8.896e-06/1.284, allocations: 0 / 0.9258 GB, free: 14.48 MB / 0.5919 GB
Notification: Performance of simCode: created simulation system equations: time 0.009539/1.293, allocations: 4.427 MB / 0.9301 GB, free: 10.01 MB / 0.5919 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001908/1.295, allocations: 289.1 kB / 0.9304 GB, free: 9.738 MB / 0.5919 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02014/1.315, allocations: 9.485 MB / 0.9396 GB, free: 144 kB / 0.5919 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002816/1.318, allocations: 2.849 MB / 0.9424 GB, free: 13.26 MB / 0.6075 GB
Notification: Performance of simCode: alias equations: time 0.004011/1.322, allocations: 1.641 MB / 0.944 GB, free: 11.61 MB / 0.6075 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006049/1.323, allocations: 175.3 kB / 0.9442 GB, free: 11.44 MB / 0.6075 GB
Notification: Performance of SimCode: time 7.92e-07/1.323, allocations: 4 kB / 0.9442 GB, free: 11.44 MB / 0.6075 GB
Notification: Performance of Templates: time 0.3364/1.659, allocations: 77.7 MB / 1.02 GB, free: 192.8 MB / 0.6387 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 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)