Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00127/0.00127, allocations: 109.9 kB / 16.41 MB, free: 6.492 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: 191.9 kB / 17.34 MB, free: 5.762 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.353/1.353, allocations: 222.9 MB / 241 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 0.7624/0.7624, allocations: 122.9 MB / 414.1 MB, free: 15.81 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0012/0.0012, allocations: 71.05 kB / 0.5686 GB, free: 28.7 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1491/0.1503, allocations: 77.94 MB / 0.6447 GB, free: 8.918 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02325/0.1736, allocations: 18.25 MB / 0.6625 GB, free: 6.605 MB / 0.4981 GB
Notification: Performance of NFInst.instExpressions: time 0.01309/0.1868, allocations: 6.855 MB / 0.6692 GB, free: 15.73 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002304/0.1891, allocations: 55.88 kB / 0.6693 GB, free: 15.68 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.004864/0.1941, allocations: 1.462 MB / 0.6707 GB, free: 14.21 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.005918/0.2, allocations: 1.451 MB / 0.6721 GB, free: 12.75 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004478/0.2045, allocations: 1.27 MB / 0.6734 GB, free: 11.48 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.007763/0.2123, allocations: 5.468 MB / 0.6787 GB, free: 6 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009636/0.222, allocations: 7.124 MB / 0.6857 GB, free: 14.77 MB / 0.5294 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004564/0.2266, allocations: 2.373 MB / 0.688 GB, free: 12.39 MB / 0.5294 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005633/0.2323, allocations: 2.976 MB / 0.6909 GB, free: 9.402 MB / 0.5294 GB
Notification: Performance of NFPackage.collectConstants: time 0.001668/0.234, allocations: 0.5117 MB / 0.6914 GB, free: 8.891 MB / 0.5294 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003445/0.2375, allocations: 1.268 MB / 0.6926 GB, free: 7.621 MB / 0.5294 GB
Notification: Performance of NFScalarize.scalarize: time 0.003565/0.2411, allocations: 2.246 MB / 0.6948 GB, free: 5.371 MB / 0.5294 GB
Notification: Performance of NFVerifyModel.verify: time 0.004555/0.2456, allocations: 2.19 MB / 0.6969 GB, free: 3.172 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.009589/0.2553, allocations: 7.8 MB / 0.7046 GB, free: 11.35 MB / 0.545 GB
Notification: Performance of FrontEnd - DAE generated: time 7.113e-06/0.2553, allocations: 0 / 0.7046 GB, free: 11.35 MB / 0.545 GB
Notification: Performance of FrontEnd: time 2.395e-06/0.2553, allocations: 4 kB / 0.7046 GB, free: 11.34 MB / 0.545 GB
Notification: Performance of Transformations before backend: time 0.0002628/0.2556, allocations: 0 / 0.7046 GB, free: 11.34 MB / 0.545 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01154/0.2671, allocations: 3.907 MB / 0.7084 GB, free: 7.371 MB / 0.545 GB
Notification: Performance of prepare preOptimizeDAE: time 5.193e-05/0.2672, allocations: 12.62 kB / 0.7084 GB, free: 7.359 MB / 0.545 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01357/0.2808, allocations: 2.429 MB / 0.7108 GB, free: 4.926 MB / 0.545 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004969/0.2858, allocations: 2.203 MB / 0.7129 GB, free: 2.68 MB / 0.545 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002849/0.2861, allocations: 267.5 kB / 0.7132 GB, free: 2.418 MB / 0.545 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001381/0.2875, allocations: 355.9 kB / 0.7135 GB, free: 2.07 MB / 0.545 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02175/0.3092, allocations: 7.155 MB / 0.7205 GB, free: 10.81 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002069/0.3095, allocations: 3.938 kB / 0.7205 GB, free: 10.81 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001944/0.3115, allocations: 147.9 kB / 0.7206 GB, free: 10.66 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000827/0.3123, allocations: 342.1 kB / 0.721 GB, free: 10.33 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02112/0.3335, allocations: 7.044 MB / 0.7278 GB, free: 3.273 MB / 0.5606 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4528/0.7863, allocations: 26.55 MB / 0.7538 GB, free: 80.17 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00951/0.7958, allocations: 4.977 MB / 0.7586 GB, free: 78.32 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006589/0.8024, allocations: 2.611 MB / 0.7612 GB, free: 77.55 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002773/0.8028, allocations: 131.1 kB / 0.7613 GB, free: 77.45 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.928e-05/0.8028, allocations: 62.81 kB / 0.7614 GB, free: 77.39 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=208): time 4.338e-06/0.8028, allocations: 0 / 0.7614 GB, free: 77.39 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.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 0.09779/0.9006, allocations: 31.2 MB / 0.7918 GB, free: 61.7 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001052/0.9008, allocations: 235.6 kB / 0.7921 GB, free: 61.41 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002048/0.9028, allocations: 1.478 MB / 0.7935 GB, free: 59.95 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005129/0.9033, allocations: 69.64 kB / 0.7936 GB, free: 59.88 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000772/0.9041, allocations: 1.545 MB / 0.7951 GB, free: 58.53 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001028/0.9052, allocations: 0.9671 MB / 0.796 GB, free: 57.57 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001343/0.9065, allocations: 0.636 MB / 0.7966 GB, free: 56.93 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 5.276e-05/0.9066, allocations: 301.1 kB / 0.7969 GB, free: 56.63 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005091/0.9117, allocations: 2.698 MB / 0.7996 GB, free: 53.93 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00584/0.9175, allocations: 3.571 MB / 0.8031 GB, free: 49.98 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01112/0.9287, allocations: 6.395 MB / 0.8093 GB, free: 43.19 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.845e-05/0.9288, allocations: 8 kB / 0.8093 GB, free: 43.18 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.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 0.02568/0.9545, allocations: 11 MB / 0.8201 GB, free: 32.08 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 4.896e-05/0.9545, allocations: 16.78 kB / 0.8201 GB, free: 32.06 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.21e-05/0.9546, allocations: 28.56 kB / 0.8201 GB, free: 32.04 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01874/0.9733, allocations: 5.555 MB / 0.8255 GB, free: 26.46 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004521/0.978, allocations: 0.9945 MB / 0.8265 GB, free: 25.47 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03766/1.016, allocations: 28.21 MB / 0.854 GB, free: 12.85 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004948/1.021, allocations: 0.5772 MB / 0.8546 GB, free: 12.27 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000768/1.021, allocations: 144 kB / 0.8547 GB, free: 12.13 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009934/1.031, allocations: 3.991 MB / 0.8586 GB, free: 8.133 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007559/1.039, allocations: 3.528 MB / 0.8621 GB, free: 4.227 MB / 0.5919 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09211/1.131, allocations: 24.62 MB / 0.8861 GB, free: 11.1 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.598e-05/1.131, allocations: 11.98 kB / 0.8861 GB, free: 11.09 MB / 0.6231 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 0.02726/1.158, allocations: 10.55 MB / 0.8964 GB, free: 404 kB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 4.315e-05/1.159, allocations: 25.86 kB / 0.8965 GB, free: 380 kB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.314e-05/1.159, allocations: 24 kB / 0.8965 GB, free: 356 kB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01514/1.174, allocations: 4.325 MB / 0.9007 GB, free: 12.01 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004788/1.179, allocations: 1.037 MB / 0.9017 GB, free: 10.97 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03829/1.217, allocations: 27.16 MB / 0.9282 GB, free: 15.1 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004848/1.222, allocations: 0.5609 MB / 0.9288 GB, free: 14.54 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007487/1.223, allocations: 147.9 kB / 0.9289 GB, free: 14.4 MB / 0.67 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 0.001379/1.224, allocations: 395.3 kB / 0.9293 GB, free: 14 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000953/1.225, allocations: 218.7 kB / 0.9295 GB, free: 13.79 MB / 0.67 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 0.02714/1.252, allocations: 10.17 MB / 0.9394 GB, free: 3.547 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.96e-05/1.252, allocations: 28 kB / 0.9395 GB, free: 3.52 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.201e-05/1.252, allocations: 12 kB / 0.9395 GB, free: 3.508 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.381e-05/1.252, allocations: 11.95 kB / 0.9395 GB, free: 3.496 MB / 0.67 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 0.03911/1.291, allocations: 16.33 MB / 0.9554 GB, free: 2.973 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.785e-05/1.291, allocations: 8 kB / 0.9554 GB, free: 2.965 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003535/1.295, allocations: 0.7374 MB / 0.9562 GB, free: 2.227 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01904/1.314, allocations: 5.174 MB / 0.9612 GB, free: 13.04 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008573/1.315, allocations: 67.95 kB / 0.9613 GB, free: 12.97 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04494/1.36, allocations: 27.23 MB / 0.9879 GB, free: 1.262 MB / 0.7169 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.493e-05/1.36, allocations: 12.03 kB / 0.9879 GB, free: 1.25 MB / 0.7169 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 0.02752/1.388, allocations: 10.15 MB / 0.9978 GB, free: 6.848 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002171/1.39, allocations: 0.73 MB / 0.9985 GB, free: 6.098 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009454/1.391, allocations: 59.94 kB / 0.9986 GB, free: 6.039 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004106/1.395, allocations: 0.5109 MB / 0.9991 GB, free: 5.527 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00115/1.396, allocations: 234.1 kB / 0.9993 GB, free: 5.297 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004753/1.396, allocations: 87.95 kB / 0.9994 GB, free: 5.211 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.002323/1.399, allocations: 1.001 MB / 1 GB, free: 4.207 MB / 0.7325 GB
Notification: Performance of sort global known variables: time 2.31e-07/1.399, allocations: 0 / 1 GB, free: 4.207 MB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.008949/1.408, allocations: 1.855 MB / 1.002 GB, free: 2.352 MB / 0.7325 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 0.0006535/1.408, allocations: 189.9 kB / 1.002 GB, free: 2.156 MB / 0.7325 GB
Notification: Performance of simCode: created initialization part: time 0.03176/1.44, allocations: 12.47 MB / 1.015 GB, free: 5.578 MB / 0.7481 GB
Notification: Performance of simCode: created event and clocks part: time 1.971e-05/1.44, allocations: 0 / 1.015 GB, free: 5.578 MB / 0.7481 GB
Notification: Performance of simCode: created simulation system equations: time 0.01115/1.451, allocations: 4.404 MB / 1.019 GB, free: 1.141 MB / 0.7481 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003739/1.455, allocations: 287.1 kB / 1.019 GB, free: 0.8633 MB / 0.7481 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02786/1.483, allocations: 9.572 MB / 1.028 GB, free: 7.168 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004977/1.488, allocations: 2.853 MB / 1.031 GB, free: 4.281 MB / 0.7637 GB
Notification: Performance of simCode: alias equations: time 0.005601/1.494, allocations: 1.653 MB / 1.033 GB, free: 2.625 MB / 0.7637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009775/1.495, allocations: 171.3 kB / 1.033 GB, free: 2.457 MB / 0.7637 GB
Notification: Performance of SimCode: time 1.302e-06/1.495, allocations: 0 / 1.033 GB, free: 2.457 MB / 0.7637 GB
Notification: Performance of Templates: time 0.4841/1.979, allocations: 79.31 MB / 1.11 GB, free: 211.6 MB / 0.7637 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)