Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001291/0.001291, allocations: 117.3 kB / 17.09 MB, free: 6.012 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001263/0.001264, allocations: 195 kB / 18.02 MB, free: 5.094 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.346/1.346, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7266/0.7266, allocations: 115.3 MB / 407.2 MB, free: 6.137 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001318/0.001318, allocations: 60.95 kB / 0.5584 GB, free: 32.23 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1506/0.152, allocations: 76.19 MB / 0.6328 GB, free: 4.324 MB / 478.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02029/0.1723, allocations: 18.15 MB / 0.6506 GB, free: 2.102 MB / 494.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01135/0.1837, allocations: 6.793 MB / 0.6572 GB, free: 11.29 MB / 0.4981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001917/0.1856, allocations: 55.88 kB / 0.6572 GB, free: 11.23 MB / 0.4981 GB
Notification: Performance of NFTyping.typeComponents: time 0.004034/0.1897, allocations: 1.469 MB / 0.6587 GB, free: 9.762 MB / 0.4981 GB
Notification: Performance of NFTyping.typeBindings: time 0.004051/0.1938, allocations: 1.42 MB / 0.6601 GB, free: 8.336 MB / 0.4981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003599/0.1974, allocations: 1.257 MB / 0.6613 GB, free: 7.078 MB / 0.4981 GB
Notification: Performance of NFFlatten.flatten: time 0.00682/0.2042, allocations: 5.445 MB / 0.6666 GB, free: 1.621 MB / 0.4981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008567/0.2128, allocations: 7.084 MB / 0.6735 GB, free: 10.43 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004249/0.2171, allocations: 2.365 MB / 0.6758 GB, free: 8.055 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005192/0.2224, allocations: 2.953 MB / 0.6787 GB, free: 5.094 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 0.001619/0.224, allocations: 0.5117 MB / 0.6792 GB, free: 4.582 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003329/0.2274, allocations: 1.276 MB / 0.6805 GB, free: 3.305 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 0.002915/0.2303, allocations: 2.242 MB / 0.6827 GB, free: 1.059 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.003658/0.234, allocations: 2.167 MB / 0.6848 GB, free: 14.88 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.0098/0.2438, allocations: 7.736 MB / 0.6923 GB, free: 7.125 MB / 0.5294 GB
Notification: Performance of FrontEnd - DAE generated: time 7.424e-06/0.2439, allocations: 0 / 0.6923 GB, free: 7.125 MB / 0.5294 GB
Notification: Performance of FrontEnd: time 4.148e-06/0.2439, allocations: 0 / 0.6923 GB, free: 7.125 MB / 0.5294 GB
Notification: Performance of Transformations before backend: time 0.00021/0.2441, allocations: 7.938 kB / 0.6923 GB, free: 7.117 MB / 0.5294 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01041/0.2545, allocations: 3.791 MB / 0.696 GB, free: 3.266 MB / 0.5294 GB
Notification: Performance of prepare preOptimizeDAE: time 4.661e-05/0.2546, allocations: 12.03 kB / 0.696 GB, free: 3.254 MB / 0.5294 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01324/0.2678, allocations: 2.403 MB / 0.6984 GB, free: 0.8438 MB / 0.5294 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005197/0.2731, allocations: 2.175 MB / 0.7005 GB, free: 14.62 MB / 0.545 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002389/0.2733, allocations: 267.4 kB / 0.7008 GB, free: 14.36 MB / 0.545 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001283/0.2746, allocations: 351.8 kB / 0.7011 GB, free: 14.02 MB / 0.545 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01727/0.2919, allocations: 7.126 MB / 0.7081 GB, free: 6.785 MB / 0.545 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.663e-05/0.292, allocations: 8 kB / 0.7081 GB, free: 6.777 MB / 0.545 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000616/0.2926, allocations: 143.9 kB / 0.7082 GB, free: 6.637 MB / 0.545 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005209/0.2932, allocations: 330 kB / 0.7085 GB, free: 6.312 MB / 0.545 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01664/0.3098, allocations: 7.032 MB / 0.7154 GB, free: 15.27 MB / 0.5606 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03414/0.344, allocations: 26.43 MB / 0.7412 GB, free: 2.664 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008318/0.3524, allocations: 4.988 MB / 0.7461 GB, free: 13.37 MB / 0.5919 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005939/0.3583, allocations: 2.608 MB / 0.7486 GB, free: 10.74 MB / 0.5919 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002622/0.3586, allocations: 131 kB / 0.7487 GB, free: 10.59 MB / 0.5919 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.528e-05/0.3587, allocations: 64.56 kB / 0.7488 GB, free: 10.52 MB / 0.5919 GB
Notification: Performance of pre-optimization done (n=208): time 3.837e-06/0.3587, allocations: 0 / 0.7488 GB, free: 10.52 MB / 0.5919 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 0.47/0.8287, allocations: 30.91 MB / 0.779 GB, free: 110.8 MB / 0.5919 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.615e-05/0.8289, allocations: 239.2 kB / 0.7792 GB, free: 110.6 MB / 0.5919 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00191/0.8308, allocations: 1.427 MB / 0.7806 GB, free: 109.8 MB / 0.5919 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005105/0.8313, allocations: 73.42 kB / 0.7807 GB, free: 109.7 MB / 0.5919 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006607/0.832, allocations: 1.486 MB / 0.7821 GB, free: 108.4 MB / 0.5919 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009222/0.8329, allocations: 0.925 MB / 0.783 GB, free: 107.6 MB / 0.5919 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001033/0.834, allocations: 0.6304 MB / 0.7837 GB, free: 107.3 MB / 0.5919 GB
Notification: Performance of setup shared object (initialization): time 4.568e-05/0.834, allocations: 305.1 kB / 0.7839 GB, free: 107 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00549/0.8395, allocations: 2.695 MB / 0.7866 GB, free: 105.6 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005802/0.8453, allocations: 3.568 MB / 0.7901 GB, free: 103.1 MB / 0.5919 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.011/0.8564, allocations: 6.41 MB / 0.7963 GB, free: 97.22 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.499e-05/0.8564, allocations: 11.83 kB / 0.7963 GB, free: 97.21 MB / 0.5919 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 0.0253/0.8817, allocations: 10.98 MB / 0.8071 GB, free: 86.12 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 4.094e-05/0.8818, allocations: 16 kB / 0.8071 GB, free: 86.1 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.66e-05/0.8818, allocations: 24 kB / 0.8071 GB, free: 86.08 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01815/0.9, allocations: 5.567 MB / 0.8125 GB, free: 80.5 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004085/0.9041, allocations: 1 MB / 0.8135 GB, free: 79.5 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03515/0.9393, allocations: 28.17 MB / 0.841 GB, free: 50.92 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004588/0.9439, allocations: 0.5731 MB / 0.8416 GB, free: 50.35 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005979/0.9446, allocations: 155.9 kB / 0.8417 GB, free: 50.2 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007132/0.9517, allocations: 3.98 MB / 0.8456 GB, free: 46.21 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005618/0.9574, allocations: 3.532 MB / 0.8491 GB, free: 42.3 MB / 0.5919 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08153/1.039, allocations: 24.64 MB / 0.8731 GB, free: 17.19 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.466e-05/1.039, allocations: 8 kB / 0.8731 GB, free: 17.18 MB / 0.5919 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 0.02322/1.062, allocations: 10.53 MB / 0.8834 GB, free: 6.508 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 3.19e-05/1.062, allocations: 19.94 kB / 0.8834 GB, free: 6.488 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.932e-05/1.062, allocations: 24 kB / 0.8835 GB, free: 6.465 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01383/1.076, allocations: 4.335 MB / 0.8877 GB, free: 2.117 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004334/1.081, allocations: 1.048 MB / 0.8887 GB, free: 1.07 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03621/1.117, allocations: 27.14 MB / 0.9152 GB, free: 5.23 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004781/1.122, allocations: 0.5498 MB / 0.9157 GB, free: 4.68 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005531/1.122, allocations: 155.6 kB / 0.9159 GB, free: 4.531 MB / 0.6231 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.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001043/1.123, allocations: 407.3 kB / 0.9163 GB, free: 4.125 MB / 0.6231 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007386/1.124, allocations: 189.8 kB / 0.9165 GB, free: 3.938 MB / 0.6231 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 0.02667/1.151, allocations: 10.17 MB / 0.9264 GB, free: 9.691 MB / 0.6387 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.355e-05/1.151, allocations: 24 kB / 0.9264 GB, free: 9.668 MB / 0.6387 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.503e-05/1.151, allocations: 16 kB / 0.9264 GB, free: 9.652 MB / 0.6387 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.059e-05/1.151, allocations: 11.95 kB / 0.9265 GB, free: 9.641 MB / 0.6387 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 0.03533/1.186, allocations: 16.31 MB / 0.9424 GB, free: 9.168 MB / 0.6544 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.58e-05/1.186, allocations: 8 kB / 0.9424 GB, free: 9.16 MB / 0.6544 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00351/1.19, allocations: 0.7416 MB / 0.9431 GB, free: 8.418 MB / 0.6544 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01859/1.208, allocations: 5.173 MB / 0.9482 GB, free: 3.227 MB / 0.6544 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006632/1.209, allocations: 75.95 kB / 0.9482 GB, free: 3.152 MB / 0.6544 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04058/1.25, allocations: 27.21 MB / 0.9748 GB, free: 7.457 MB / 0.6856 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.378e-05/1.25, allocations: 16.02 kB / 0.9748 GB, free: 7.441 MB / 0.6856 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 0.02671/1.276, allocations: 10.13 MB / 0.9847 GB, free: 13.07 MB / 0.7012 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001903/1.278, allocations: 0.725 MB / 0.9854 GB, free: 12.33 MB / 0.7012 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008299/1.279, allocations: 55.98 kB / 0.9855 GB, free: 12.27 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004175/1.283, allocations: 0.5187 MB / 0.986 GB, free: 11.75 MB / 0.7012 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008947/1.284, allocations: 230.3 kB / 0.9862 GB, free: 11.53 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003179/1.285, allocations: 87.95 kB / 0.9863 GB, free: 11.45 MB / 0.7012 GB
Notification: Performance of sorting global known variables: time 0.00157/1.286, allocations: 0.9723 MB / 0.9872 GB, free: 10.47 MB / 0.7012 GB
Notification: Performance of sort global known variables: time 5.21e-07/1.286, allocations: 0 / 0.9872 GB, free: 10.47 MB / 0.7012 GB
Notification: Performance of remove unused functions: time 0.007881/1.294, allocations: 1.85 MB / 0.989 GB, free: 8.621 MB / 0.7012 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 0.0007206/1.295, allocations: 174.9 kB / 0.9892 GB, free: 8.438 MB / 0.7012 GB
Notification: Performance of simCode: created initialization part: time 0.03022/1.325, allocations: 12.45 MB / 1.001 GB, free: 11.88 MB / 0.7169 GB
Notification: Performance of simCode: created event and clocks part: time 1.401e-05/1.325, allocations: 7.938 kB / 1.001 GB, free: 11.88 MB / 0.7169 GB
Notification: Performance of simCode: created simulation system equations: time 0.01121/1.336, allocations: 4.397 MB / 1.006 GB, free: 7.441 MB / 0.7169 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002834/1.339, allocations: 271 kB / 1.006 GB, free: 7.184 MB / 0.7169 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02637/1.366, allocations: 10 MB / 1.016 GB, free: 13.06 MB / 0.7325 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00358/1.369, allocations: 2.903 MB / 1.019 GB, free: 10.12 MB / 0.7325 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001195/1.371, allocations: 207.3 kB / 1.019 GB, free: 9.922 MB / 0.7325 GB
Notification: Performance of SimCode: time 8.22e-07/1.371, allocations: 4 kB / 1.019 GB, free: 9.918 MB / 0.7325 GB
Notification: Performance of Templates: time 0.4456/1.816, allocations: 107.3 MB / 1.123 GB, free: 196.9 MB / 0.7481 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)