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 0.001791/0.001792, allocations: 101.7 kB / 16.4 MB, free: 5.941 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002275/0.002275, allocations: 186.9 kB / 17.34 MB, free: 5.574 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.388/1.388, allocations: 222.9 MB / 241 MB, free: 15.09 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7367/0.7367, allocations: 115.3 MB / 406.5 MB, free: 6.133 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001167/0.001167, allocations: 63.39 kB / 0.5578 GB, free: 32.2 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.137/0.1382, allocations: 76.19 MB / 0.6322 GB, free: 4.336 MB / 478.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.0208/0.159, allocations: 18.15 MB / 0.6499 GB, free: 2.117 MB / 494.1 MB
Notification: Performance of NFInst.instExpressions: time 0.01129/0.1703, allocations: 6.797 MB / 0.6565 GB, free: 11.3 MB / 0.4981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001533/0.1719, allocations: 59.81 kB / 0.6566 GB, free: 11.24 MB / 0.4981 GB
Notification: Performance of NFTyping.typeComponents: time 0.003771/0.1757, allocations: 1.468 MB / 0.658 GB, free: 9.77 MB / 0.4981 GB
Notification: Performance of NFTyping.typeBindings: time 0.003785/0.1795, allocations: 1.44 MB / 0.6594 GB, free: 8.324 MB / 0.4981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003504/0.183, allocations: 1.254 MB / 0.6607 GB, free: 7.07 MB / 0.4981 GB
Notification: Performance of NFFlatten.flatten: time 0.00575/0.1888, allocations: 5.453 MB / 0.666 GB, free: 1.605 MB / 0.4981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007734/0.1966, allocations: 7.08 MB / 0.6729 GB, free: 10.41 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003793/0.2004, allocations: 2.369 MB / 0.6752 GB, free: 8.039 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004396/0.2048, allocations: 2.949 MB / 0.6781 GB, free: 5.082 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 0.001233/0.2061, allocations: 0.5117 MB / 0.6786 GB, free: 4.57 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002563/0.2087, allocations: 1.268 MB / 0.6798 GB, free: 3.301 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 0.002349/0.211, allocations: 2.246 MB / 0.682 GB, free: 1.051 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.002887/0.2139, allocations: 2.167 MB / 0.6841 GB, free: 14.88 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.009201/0.2231, allocations: 7.736 MB / 0.6917 GB, free: 7.117 MB / 0.5294 GB
Notification: Performance of FrontEnd - DAE generated: time 8.686e-06/0.2232, allocations: 0 / 0.6917 GB, free: 7.117 MB / 0.5294 GB
Notification: Performance of FrontEnd: time 2.825e-06/0.2232, allocations: 0 / 0.6917 GB, free: 7.117 MB / 0.5294 GB
Notification: Performance of Transformations before backend: time 0.0003671/0.2236, allocations: 0 / 0.6917 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 0.01374/0.2373, allocations: 3.799 MB / 0.6954 GB, free: 3.258 MB / 0.5294 GB
Notification: Performance of prepare preOptimizeDAE: time 5.48e-05/0.2374, allocations: 8.031 kB / 0.6954 GB, free: 3.25 MB / 0.5294 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01472/0.2521, allocations: 2.411 MB / 0.6978 GB, free: 0.832 MB / 0.5294 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005065/0.2572, allocations: 2.167 MB / 0.6999 GB, free: 14.62 MB / 0.545 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002377/0.2575, allocations: 275.4 kB / 0.7001 GB, free: 14.35 MB / 0.545 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001412/0.2589, allocations: 355.8 kB / 0.7005 GB, free: 14 MB / 0.545 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01597/0.2749, allocations: 7.122 MB / 0.7074 GB, free: 6.773 MB / 0.545 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.244e-05/0.275, allocations: 0 / 0.7074 GB, free: 6.773 MB / 0.545 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004794/0.2755, allocations: 152 kB / 0.7076 GB, free: 6.625 MB / 0.545 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004791/0.276, allocations: 338 kB / 0.7079 GB, free: 6.293 MB / 0.545 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01725/0.2933, allocations: 7.032 MB / 0.7148 GB, free: 15.25 MB / 0.5606 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04037/0.3337, allocations: 26.42 MB / 0.7406 GB, free: 2.656 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008851/0.3426, allocations: 4.992 MB / 0.7454 GB, free: 13.36 MB / 0.5919 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006416/0.349, allocations: 2.608 MB / 0.748 GB, free: 10.73 MB / 0.5919 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003453/0.3494, allocations: 127 kB / 0.7481 GB, free: 10.58 MB / 0.5919 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.341e-05/0.3495, allocations: 64.48 kB / 0.7482 GB, free: 10.51 MB / 0.5919 GB
Notification: Performance of pre-optimization done (n=208): time 6.322e-06/0.3495, allocations: 4 kB / 0.7482 GB, free: 10.51 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 0.4295/0.7791, allocations: 30.91 MB / 0.7784 GB, free: 110.6 MB / 0.5919 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.616e-05/0.7792, allocations: 239 kB / 0.7786 GB, free: 110.4 MB / 0.5919 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001928/0.7811, allocations: 1.419 MB / 0.78 GB, free: 109.6 MB / 0.5919 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004651/0.7816, allocations: 77.56 kB / 0.7801 GB, free: 109.5 MB / 0.5919 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006532/0.7823, allocations: 1.49 MB / 0.7815 GB, free: 108.2 MB / 0.5919 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007979/0.7831, allocations: 0.9193 MB / 0.7824 GB, free: 107.4 MB / 0.5919 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009645/0.784, allocations: 0.6294 MB / 0.783 GB, free: 107.1 MB / 0.5919 GB
Notification: Performance of setup shared object (initialization): time 3.77e-05/0.7841, allocations: 309.1 kB / 0.7833 GB, free: 106.8 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005437/0.7895, allocations: 2.69 MB / 0.7859 GB, free: 105.4 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005982/0.7955, allocations: 3.57 MB / 0.7894 GB, free: 102.9 MB / 0.5919 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01132/0.8069, allocations: 6.407 MB / 0.7957 GB, free: 97.05 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.01e-05/0.8069, allocations: 8 kB / 0.7957 GB, free: 97.04 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 0.0267/0.8336, allocations: 10.99 MB / 0.8064 GB, free: 85.95 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 3.321e-05/0.8337, allocations: 16 kB / 0.8064 GB, free: 85.93 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.724e-05/0.8337, allocations: 24 kB / 0.8065 GB, free: 85.91 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01866/0.8524, allocations: 5.564 MB / 0.8119 GB, free: 80.33 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004227/0.8566, allocations: 0.9945 MB / 0.8129 GB, free: 79.33 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03827/0.8949, allocations: 28.18 MB / 0.8404 GB, free: 50.75 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004762/0.8997, allocations: 0.577 MB / 0.841 GB, free: 50.18 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006177/0.9004, allocations: 151.9 kB / 0.8411 GB, free: 50.03 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007581/0.908, allocations: 3.984 MB / 0.845 GB, free: 46.04 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005984/0.914, allocations: 3.532 MB / 0.8484 GB, free: 42.12 MB / 0.5919 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08277/0.9968, allocations: 24.63 MB / 0.8725 GB, free: 17.02 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.391e-05/0.9969, allocations: 8 kB / 0.8725 GB, free: 17.01 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 0.02384/1.021, allocations: 10.53 MB / 0.8828 GB, free: 6.344 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 3.754e-05/1.021, allocations: 19.94 kB / 0.8828 GB, free: 6.324 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.162e-05/1.021, allocations: 28.06 kB / 0.8828 GB, free: 6.297 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01469/1.036, allocations: 4.335 MB / 0.8871 GB, free: 1.945 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004652/1.04, allocations: 1.048 MB / 0.8881 GB, free: 0.8984 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03596/1.076, allocations: 27.14 MB / 0.9146 GB, free: 5.062 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004973/1.081, allocations: 0.5498 MB / 0.9151 GB, free: 4.512 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006393/1.082, allocations: 155.9 kB / 0.9153 GB, free: 4.359 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 0.001266/1.083, allocations: 399.8 kB / 0.9157 GB, free: 3.965 MB / 0.6231 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009169/1.084, allocations: 193.8 kB / 0.9158 GB, free: 3.773 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 0.02855/1.113, allocations: 10.16 MB / 0.9258 GB, free: 9.531 MB / 0.6387 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.297e-05/1.113, allocations: 28 kB / 0.9258 GB, free: 9.504 MB / 0.6387 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.148e-05/1.113, allocations: 12 kB / 0.9258 GB, free: 9.492 MB / 0.6387 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.332e-05/1.113, allocations: 15.95 kB / 0.9258 GB, free: 9.477 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 0.04057/1.153, allocations: 16.31 MB / 0.9417 GB, free: 9.004 MB / 0.6544 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.72e-05/1.154, allocations: 8 kB / 0.9418 GB, free: 8.996 MB / 0.6544 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003793/1.157, allocations: 0.7375 MB / 0.9425 GB, free: 8.258 MB / 0.6544 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02/1.177, allocations: 5.181 MB / 0.9475 GB, free: 3.062 MB / 0.6544 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007881/1.178, allocations: 79.94 kB / 0.9476 GB, free: 2.984 MB / 0.6544 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04298/1.221, allocations: 27.21 MB / 0.9742 GB, free: 7.289 MB / 0.6856 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.403e-05/1.221, allocations: 16.03 kB / 0.9742 GB, free: 7.273 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 0.028/1.249, allocations: 10.13 MB / 0.9841 GB, free: 12.9 MB / 0.7012 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002034/1.251, allocations: 0.721 MB / 0.9848 GB, free: 12.16 MB / 0.7012 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008566/1.252, allocations: 52 kB / 0.9848 GB, free: 12.11 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004093/1.256, allocations: 0.5148 MB / 0.9853 GB, free: 11.59 MB / 0.7012 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000997/1.257, allocations: 230.3 kB / 0.9856 GB, free: 11.37 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004099/1.258, allocations: 87.95 kB / 0.9857 GB, free: 11.29 MB / 0.7012 GB
Notification: Performance of sorting global known variables: time 0.001851/1.26, allocations: 0.9762 MB / 0.9866 GB, free: 10.3 MB / 0.7012 GB
Notification: Performance of sort global known variables: time 2.2e-07/1.26, allocations: 0 / 0.9866 GB, free: 10.3 MB / 0.7012 GB
Notification: Performance of remove unused functions: time 0.00765/1.267, allocations: 1.84 MB / 0.9884 GB, free: 8.465 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 0.0006013/1.268, allocations: 182.9 kB / 0.9886 GB, free: 8.273 MB / 0.7012 GB
Notification: Performance of simCode: created initialization part: time 0.03157/1.3, allocations: 12.45 MB / 1.001 GB, free: 11.71 MB / 0.7169 GB
Notification: Performance of simCode: created event and clocks part: time 1.645e-05/1.3, allocations: 3.938 kB / 1.001 GB, free: 11.71 MB / 0.7169 GB
Notification: Performance of simCode: created simulation system equations: time 0.01166/1.311, allocations: 4.405 MB / 1.005 GB, free: 7.273 MB / 0.7169 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003214/1.315, allocations: 270.7 kB / 1.005 GB, free: 7.012 MB / 0.7169 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02604/1.341, allocations: 9.434 MB / 1.015 GB, free: 13.46 MB / 0.7325 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003869/1.344, allocations: 2.84 MB / 1.017 GB, free: 10.59 MB / 0.7325 GB
Notification: Performance of simCode: alias equations: time 0.005058/1.35, allocations: 1.649 MB / 1.019 GB, free: 8.938 MB / 0.7325 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009225/1.351, allocations: 167.3 kB / 1.019 GB, free: 8.773 MB / 0.7325 GB
Notification: Performance of SimCode: time 8.72e-07/1.351, allocations: 0 / 1.019 GB, free: 8.773 MB / 0.7325 GB
Notification: Performance of Templates: time 0.4528/1.803, allocations: 78.78 MB / 1.096 GB, free: 226.4 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)