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 0.001351/0.001351, allocations: 117.2 kB / 17.09 MB, free: 5.98 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001222/0.001222, allocations: 195 kB / 18.02 MB, free: 5.066 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.234/1.234, 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 0.7187/0.7187, allocations: 122.9 MB / 414.7 MB, free: 15.75 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001167/0.001167, allocations: 62.8 kB / 0.5692 GB, free: 28.6 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1431/0.1443, allocations: 77.94 MB / 0.6453 GB, free: 8.945 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.021/0.1654, allocations: 18.24 MB / 0.6631 GB, free: 6.641 MB / 0.4981 GB
Notification: Performance of NFInst.instExpressions: time 0.01168/0.1771, allocations: 6.859 MB / 0.6698 GB, free: 15.76 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001828/0.179, allocations: 55.88 kB / 0.6699 GB, free: 15.71 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.00395/0.1829, allocations: 1.473 MB / 0.6713 GB, free: 14.23 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.003789/0.1867, allocations: 1.467 MB / 0.6728 GB, free: 12.76 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003282/0.19, allocations: 1.27 MB / 0.674 GB, free: 11.49 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.005929/0.196, allocations: 5.476 MB / 0.6793 GB, free: 6 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008754/0.2047, allocations: 7.128 MB / 0.6863 GB, free: 14.76 MB / 0.5294 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003685/0.2085, allocations: 2.384 MB / 0.6886 GB, free: 12.37 MB / 0.5294 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004402/0.2129, allocations: 2.972 MB / 0.6915 GB, free: 9.391 MB / 0.5294 GB
Notification: Performance of NFPackage.collectConstants: time 0.001405/0.2143, allocations: 0.5156 MB / 0.692 GB, free: 8.875 MB / 0.5294 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003088/0.2174, allocations: 1.264 MB / 0.6933 GB, free: 7.609 MB / 0.5294 GB
Notification: Performance of NFScalarize.scalarize: time 0.003128/0.2206, allocations: 2.246 MB / 0.6955 GB, free: 5.359 MB / 0.5294 GB
Notification: Performance of NFVerifyModel.verify: time 0.004192/0.2248, allocations: 2.194 MB / 0.6976 GB, free: 3.156 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.009106/0.2339, allocations: 7.8 MB / 0.7052 GB, free: 11.33 MB / 0.545 GB
Notification: Performance of FrontEnd - DAE generated: time 7.794e-06/0.2339, allocations: 4 kB / 0.7052 GB, free: 11.33 MB / 0.545 GB
Notification: Performance of FrontEnd: time 2.094e-06/0.2339, allocations: 0 / 0.7052 GB, free: 11.33 MB / 0.545 GB
Notification: Performance of Transformations before backend: time 0.0002326/0.2342, allocations: 0 / 0.7052 GB, free: 11.33 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 0.01108/0.2453, allocations: 3.903 MB / 0.709 GB, free: 7.359 MB / 0.545 GB
Notification: Performance of prepare preOptimizeDAE: time 5.534e-05/0.2453, allocations: 8.625 kB / 0.7091 GB, free: 7.352 MB / 0.545 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01348/0.2588, allocations: 2.44 MB / 0.7114 GB, free: 4.906 MB / 0.545 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005791/0.2647, allocations: 2.191 MB / 0.7136 GB, free: 2.672 MB / 0.545 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002744/0.265, allocations: 271.5 kB / 0.7138 GB, free: 2.406 MB / 0.545 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001596/0.2666, allocations: 351.9 kB / 0.7142 GB, free: 2.062 MB / 0.545 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01871/0.2853, allocations: 7.159 MB / 0.7212 GB, free: 10.8 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001526/0.2855, allocations: 11.94 kB / 0.7212 GB, free: 10.79 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001206/0.2867, allocations: 148 kB / 0.7213 GB, free: 10.64 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004999/0.2872, allocations: 334.1 kB / 0.7216 GB, free: 10.32 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01688/0.3041, allocations: 7.048 MB / 0.7285 GB, free: 3.258 MB / 0.5606 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.365/0.6691, allocations: 26.54 MB / 0.7544 GB, free: 80.65 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008469/0.6777, allocations: 4.993 MB / 0.7593 GB, free: 78.48 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006088/0.6838, allocations: 2.61 MB / 0.7619 GB, free: 77.71 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000335/0.6842, allocations: 128.2 kB / 0.762 GB, free: 77.61 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.055e-05/0.6842, allocations: 61.94 kB / 0.762 GB, free: 77.55 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=208): time 5.711e-06/0.6842, allocations: 3.938 kB / 0.762 GB, free: 77.55 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 0.09525/0.7795, allocations: 31.19 MB / 0.7925 GB, free: 61.91 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.187e-05/0.7796, allocations: 251.5 kB / 0.7927 GB, free: 61.61 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001749/0.7814, allocations: 1.468 MB / 0.7942 GB, free: 60.16 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004856/0.7819, allocations: 73.7 kB / 0.7942 GB, free: 60.08 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005632/0.7824, allocations: 1.547 MB / 0.7957 GB, free: 58.73 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000677/0.7831, allocations: 0.9556 MB / 0.7967 GB, free: 57.79 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009326/0.784, allocations: 0.636 MB / 0.7973 GB, free: 57.14 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 4.916e-05/0.7841, allocations: 309.1 kB / 0.7976 GB, free: 56.84 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004871/0.789, allocations: 2.69 MB / 0.8002 GB, free: 54.14 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005207/0.7942, allocations: 3.569 MB / 0.8037 GB, free: 50.19 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01009/0.8043, allocations: 6.401 MB / 0.81 GB, free: 43.39 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.226e-05/0.8044, allocations: 8 kB / 0.81 GB, free: 43.38 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 0.0241/0.8285, allocations: 11 MB / 0.8207 GB, free: 32.29 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 4.31e-05/0.8285, allocations: 16 kB / 0.8207 GB, free: 32.27 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.319e-05/0.8286, allocations: 28 kB / 0.8208 GB, free: 32.24 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0175/0.8461, allocations: 5.556 MB / 0.8262 GB, free: 26.67 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004039/0.8502, allocations: 0.9914 MB / 0.8272 GB, free: 25.68 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03617/0.8864, allocations: 28.21 MB / 0.8547 GB, free: 13.06 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004711/0.8911, allocations: 0.581 MB / 0.8553 GB, free: 12.48 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006803/0.8918, allocations: 151.9 kB / 0.8554 GB, free: 12.33 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008831/0.9007, allocations: 3.984 MB / 0.8593 GB, free: 8.34 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00705/0.9078, allocations: 3.532 MB / 0.8627 GB, free: 4.434 MB / 0.5919 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0877/0.9955, allocations: 24.63 MB / 0.8868 GB, free: 11.3 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.428e-05/0.9956, allocations: 12 kB / 0.8868 GB, free: 11.29 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 0.02622/1.022, allocations: 10.54 MB / 0.8971 GB, free: 0.6055 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 4.07e-05/1.022, allocations: 16 kB / 0.8971 GB, free: 0.5898 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.173e-05/1.022, allocations: 24 kB / 0.8971 GB, free: 0.5664 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01448/1.036, allocations: 4.321 MB / 0.9014 GB, free: 12.23 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004649/1.041, allocations: 1.041 MB / 0.9024 GB, free: 11.18 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03354/1.075, allocations: 27.17 MB / 0.9289 GB, free: 15.3 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004505/1.079, allocations: 0.5499 MB / 0.9294 GB, free: 14.75 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006433/1.08, allocations: 152.8 kB / 0.9296 GB, free: 14.61 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 0.001229/1.081, allocations: 403.3 kB / 0.93 GB, free: 14.2 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008407/1.082, allocations: 214.7 kB / 0.9302 GB, free: 13.99 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 0.02753/1.11, allocations: 10.17 MB / 0.9401 GB, free: 3.758 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.081e-05/1.11, allocations: 28 kB / 0.9401 GB, free: 3.73 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.942e-05/1.11, allocations: 12 kB / 0.9401 GB, free: 3.719 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.664e-05/1.11, allocations: 11.95 kB / 0.9402 GB, free: 3.707 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 0.05709/1.167, allocations: 16.32 MB / 0.9561 GB, free: 3.191 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.241e-05/1.167, allocations: 8 kB / 0.9561 GB, free: 3.184 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003523/1.171, allocations: 0.7378 MB / 0.9568 GB, free: 2.445 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01727/1.188, allocations: 5.173 MB / 0.9619 GB, free: 13.25 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000506/1.188, allocations: 75.95 kB / 0.962 GB, free: 13.18 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03931/1.228, allocations: 27.24 MB / 0.9886 GB, free: 1.457 MB / 0.7169 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.105e-05/1.228, allocations: 12.03 kB / 0.9886 GB, free: 1.445 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 0.02512/1.253, allocations: 10.14 MB / 0.9985 GB, free: 7.051 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002025/1.255, allocations: 0.7299 MB / 0.9992 GB, free: 6.301 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007326/1.256, allocations: 55.94 kB / 0.9992 GB, free: 6.246 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003793/1.259, allocations: 0.5109 MB / 0.9997 GB, free: 5.734 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008392/1.26, allocations: 226.3 kB / 1 GB, free: 5.508 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003414/1.261, allocations: 91.7 kB / 1 GB, free: 5.422 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.001732/1.262, allocations: 1.005 MB / 1.001 GB, free: 4.414 MB / 0.7325 GB
Notification: Performance of sort global known variables: time 2.3e-07/1.262, allocations: 0 / 1.001 GB, free: 4.414 MB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.006755/1.269, allocations: 1.855 MB / 1.003 GB, free: 2.559 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 0.0005293/1.27, allocations: 186.8 kB / 1.003 GB, free: 2.363 MB / 0.7325 GB
Notification: Performance of simCode: created initialization part: time 0.03222/1.302, allocations: 12.47 MB / 1.015 GB, free: 5.789 MB / 0.7481 GB
Notification: Performance of simCode: created event and clocks part: time 1.252e-05/1.302, allocations: 384 / 1.015 GB, free: 5.789 MB / 0.7481 GB
Notification: Performance of simCode: created simulation system equations: time 0.014/1.316, allocations: 4.403 MB / 1.019 GB, free: 1.352 MB / 0.7481 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003526/1.32, allocations: 299 kB / 1.02 GB, free: 1.066 MB / 0.7481 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02989/1.349, allocations: 10.14 MB / 1.03 GB, free: 6.797 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002938/1.352, allocations: 2.92 MB / 1.033 GB, free: 3.844 MB / 0.7637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001056/1.354, allocations: 219.3 kB / 1.033 GB, free: 3.629 MB / 0.7637 GB
Notification: Performance of SimCode: time 8.72e-07/1.354, allocations: 0 / 1.033 GB, free: 3.629 MB / 0.7637 GB
Notification: Performance of Templates: time 0.388/1.742, allocations: 108.1 MB / 1.138 GB, free: 183.1 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)