Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.0429/0.0429, allocations: 9.14 MB / 28.7 MB, free: 0.5 MB / 18.57 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0008779/0.0008779, allocations: 87.31 kB / 34.99 MB, free: 1.105 MB / 24.77 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001532/0.001532, allocations: 161.4 kB / 41.38 MB, free: 1.465 MB / 24.77 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9045/0.9045, allocations: 177.1 MB / 224.8 MB, free: 8.699 MB / 202.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo): time 0.006102/0.006102, allocations: 0.829 MB / 285.2 MB, free: 15.32 MB / 266.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo): time 1.615/1.615, allocations: 274.9 MB / 0.6054 GB, free: 0.7891 MB / 0.4949 GB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 178]
Using package AixLib with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo)
Using package SDF with version 0.4.5 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo)
Running command: translateModel(AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.293e-06/1.293e-06, allocations: 0 / 0.7564 GB, free: 34.89 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.086e-05/2.215e-05, allocations: 3.219 kB / 0.7564 GB, free: 34.88 MB / 0.6355 GB
Notification: Performance of NFInst.instantiate(AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.006338/0.00636, allocations: 9.053 MB / 0.7653 GB, free: 29.27 MB / 0.6355 GB
Notification: Performance of NFInst.instExpressions: time 0.003642/0.01, allocations: 3.666 MB / 0.7689 GB, free: 26.81 MB / 0.6355 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0003807/0.01038, allocations: 60.34 kB / 0.7689 GB, free: 26.8 MB / 0.6355 GB
Notification: Performance of NFTyping.typeComponents: time 0.0007571/0.01114, allocations: 418.7 kB / 0.7693 GB, free: 26.61 MB / 0.6355 GB
Notification: Performance of NFTyping.typeBindings: time 0.001073/0.01221, allocations: 1.136 MB / 0.7704 GB, free: 25.95 MB / 0.6355 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0008673/0.01308, allocations: 0.909 MB / 0.7713 GB, free: 25.48 MB / 0.6355 GB
Notification: Performance of NFFlatten.flatten: time 0.002391/0.01547, allocations: 4.987 MB / 0.7762 GB, free: 23.33 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001998/0.01747, allocations: 2.777 MB / 0.7789 GB, free: 21.95 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001885/0.01935, allocations: 2.903 MB / 0.7817 GB, free: 20.62 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00193/0.02128, allocations: 2.627 MB / 0.7843 GB, free: 19.79 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004801/0.02176, allocations: 440 kB / 0.7847 GB, free: 19.79 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0009103/0.02267, allocations: 0.6233 MB / 0.7853 GB, free: 19.73 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.001206/0.02388, allocations: 2.147 MB / 0.7874 GB, free: 18.75 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.001123/0.025, allocations: 1.357 MB / 0.7888 GB, free: 18.09 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.002586/0.02759, allocations: 3.664 MB / 0.7923 GB, free: 16.57 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 5.169e-06/0.02759, allocations: 1.75 kB / 0.7923 GB, free: 16.57 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 2.485e-06/0.0276, allocations: 1.625 kB / 0.7923 GB, free: 16.57 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 3.61e-05/0.02763, allocations: 0 / 0.7923 GB, free: 16.57 MB / 0.6355 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.003715/0.03135, allocations: 3.621 MB / 0.7959 GB, free: 14.47 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 3.698e-05/0.03138, allocations: 13.27 kB / 0.7959 GB, free: 14.46 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005801/0.03718, allocations: 2.469 MB / 0.7983 GB, free: 14.01 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001849/0.03903, allocations: 1.677 MB / 0.7999 GB, free: 13.08 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001113/0.03914, allocations: 234.2 kB / 0.8002 GB, free: 12.97 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003808/0.03953, allocations: 306.9 kB / 0.8005 GB, free: 12.87 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005/0.04453, allocations: 3.426 MB / 0.8038 GB, free: 11.63 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.586e-05/0.04458, allocations: 7.438 kB / 0.8038 GB, free: 11.63 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002751/0.04486, allocations: 130.8 kB / 0.8039 GB, free: 11.53 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003553/0.04521, allocations: 316 kB / 0.8042 GB, free: 11.49 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003402/0.04861, allocations: 1.698 MB / 0.8059 GB, free: 11.22 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01604/0.06465, allocations: 14.87 MB / 0.8204 GB, free: 1.086 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002997/0.06765, allocations: 2.146 MB / 0.8225 GB, free: 15.55 MB / 0.6512 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001847/0.0695, allocations: 1.302 MB / 0.8238 GB, free: 14.45 MB / 0.6512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000177/0.06968, allocations: 63.84 kB / 0.8238 GB, free: 14.39 MB / 0.6512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.08e-05/0.06972, allocations: 72.78 kB / 0.8239 GB, free: 14.32 MB / 0.6512 GB
Notification: Performance of pre-optimization done (n=230): time 3.737e-06/0.06972, allocations: 0.7812 kB / 0.8239 GB, free: 14.32 MB / 0.6512 GB
Notification: Performance of matching and sorting (n=313): time 0.02737/0.09709, allocations: 14.97 MB / 0.8385 GB, free: 15.79 MB / 0.6668 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001025/0.09719, allocations: 251.8 kB / 0.8388 GB, free: 15.49 MB / 0.6668 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001357/0.09855, allocations: 1.094 MB / 0.8398 GB, free: 14.38 MB / 0.6668 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004044/0.09895, allocations: 77.7 kB / 0.8399 GB, free: 14.3 MB / 0.6668 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000749/0.0997, allocations: 1.367 MB / 0.8412 GB, free: 12.91 MB / 0.6668 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009493/0.1006, allocations: 1.127 MB / 0.8423 GB, free: 11.78 MB / 0.6668 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009235/0.1016, allocations: 0.6317 MB / 0.843 GB, free: 11.13 MB / 0.6668 GB
Notification: Performance of setup shared object (initialization): time 0.0001109/0.1017, allocations: 480.7 kB / 0.8434 GB, free: 10.66 MB / 0.6668 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001545/0.1032, allocations: 0.7758 MB / 0.8442 GB, free: 9.875 MB / 0.6668 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00196/0.1052, allocations: 1.81 MB / 0.8459 GB, free: 7.695 MB / 0.6668 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003482/0.1087, allocations: 2.677 MB / 0.8486 GB, free: 4.648 MB / 0.6668 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.722e-05/0.1087, allocations: 4 kB / 0.8486 GB, free: 4.645 MB / 0.6668 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.0122/0.1209, allocations: 6.124 MB / 0.8545 GB, free: 14.46 MB / 0.6824 GB
Notification: Performance of prepare postOptimizeDAE: time 3.4e-05/0.1209, allocations: 15.98 kB / 0.8546 GB, free: 14.45 MB / 0.6824 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.463e-05/0.1209, allocations: 20 kB / 0.8546 GB, free: 14.43 MB / 0.6824 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01726/0.1382, allocations: 6.996 MB / 0.8614 GB, free: 7.418 MB / 0.6824 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002159/0.1404, allocations: 0.8074 MB / 0.8622 GB, free: 6.609 MB / 0.6824 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02012/0.1605, allocations: 14.35 MB / 0.8762 GB, free: 8.078 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00237/0.1629, allocations: 419.3 kB / 0.8766 GB, free: 7.668 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006443/0.1635, allocations: 147.9 kB / 0.8767 GB, free: 7.523 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00274/0.1662, allocations: 0.9267 MB / 0.8777 GB, free: 6.59 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002346/0.1686, allocations: 1.792 MB / 0.8794 GB, free: 4.43 MB / 0.698 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.007276/0.1759, allocations: 3.841 MB / 0.8832 GB, free: 184 kB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.384e-05/0.1759, allocations: 8.547 kB / 0.8832 GB, free: 176 kB / 0.698 GB
Warning: The linear system: 
1 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load3.v[1] = line2.v3_p[1] - line2.v1_p[1]
4 : line2.v3_n[1] - line2.v3_p[1] = line2.Z31[1] * line2.i1[1] - line2.Z31[2] * line2.i1[2] + line2.Z32[1] * line2.i2[1] - line2.Z32[2] * line2.i2[2] + line2.Z33[1] * line2.i3[1] - line2.Z33[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.v3_n[1] ;
  line2.v3_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv3.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.load3.v[1] ;
  line2.Z31[1] * line2.i1[1] + line2.Z33[1] * line2.i3[1] + line2.Z32[1] * line2.i2[1] - line2.Z31[2] * line2.i1[2] - line2.Z33[2] * line2.i3[2] - line2.Z32[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : 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]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : 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]
[
  -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.v3_n[2] ;
  line2.v3_p[2] ;
  line2.v1_p[2] ;
  line2.v1_n[2]
]
  =
[
  -transformer.conv3.V2[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] ;
  -loadRL.load3.v[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]
]
 might be structurally or numerically singular for variable line2.v1_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=414) (initialization_lambda0): time 0.01082/0.1867, allocations: 5.869 MB / 0.8889 GB, free: 10.24 MB / 0.7137 GB
Notification: Performance of prepare postOptimizeDAE: time 2.241e-05/0.1867, allocations: 12 kB / 0.8889 GB, free: 10.23 MB / 0.7137 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.077e-05/0.1867, allocations: 20 kB / 0.8889 GB, free: 10.21 MB / 0.7137 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01107/0.1978, allocations: 4.658 MB / 0.8935 GB, free: 5.527 MB / 0.7137 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001925/0.1997, allocations: 0.862 MB / 0.8943 GB, free: 4.664 MB / 0.7137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01863/0.2184, allocations: 20.83 MB / 0.9147 GB, free: 15.21 MB / 0.7449 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002073/0.2204, allocations: 407.4 kB / 0.9151 GB, free: 14.82 MB / 0.7449 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00024/0.2207, allocations: 140 kB / 0.9152 GB, free: 14.68 MB / 0.7449 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[3].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 81
 * 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 (272):
 * Single equations (assignments): 270
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(10,62,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,62)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008328/0.2215, allocations: 470.8 kB / 0.9156 GB, free: 14.21 MB / 0.7449 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005101/0.222, allocations: 302.7 kB / 0.9159 GB, free: 13.92 MB / 0.7449 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01083/0.2329, allocations: 6.685 MB / 0.9224 GB, free: 7.145 MB / 0.7449 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.62e-05/0.2329, allocations: 28 kB / 0.9225 GB, free: 7.117 MB / 0.7449 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.834e-05/0.2329, allocations: 16 kB / 0.9225 GB, free: 7.102 MB / 0.7449 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.07e-05/0.2329, allocations: 19.94 kB / 0.9225 GB, free: 7.082 MB / 0.7449 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01559/0.2485, allocations: 10.26 MB / 0.9325 GB, free: 12.55 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.915e-05/0.2485, allocations: 8 kB / 0.9325 GB, free: 12.55 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001549/0.2501, allocations: 0.6088 MB / 0.9331 GB, free: 11.94 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01515/0.2652, allocations: 6.459 MB / 0.9394 GB, free: 5.457 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005851/0.2658, allocations: 79.95 kB / 0.9395 GB, free: 5.379 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01862/0.2844, allocations: 13.78 MB / 0.953 GB, free: 7.336 MB / 0.7762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.126e-06/0.2844, allocations: 11.94 kB / 0.953 GB, free: 7.324 MB / 0.7762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01083/0.2953, allocations: 6.376 MB / 0.9592 GB, free: 0.6562 MB / 0.7762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001272/0.2965, allocations: 0.6429 MB / 0.9598 GB, free: 12 kB / 0.7762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003084/0.2968, allocations: 64.06 kB / 0.9599 GB, free: 15.95 MB / 0.7918 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001459/0.2983, allocations: 399.3 kB / 0.9603 GB, free: 15.55 MB / 0.7918 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007149/0.299, allocations: 282.7 kB / 0.9606 GB, free: 15.28 MB / 0.7918 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001617/0.2992, allocations: 99.95 kB / 0.9607 GB, free: 15.18 MB / 0.7918 GB
Notification: Performance of sorting global known variables: time 0.0006605/0.2998, allocations: 0.6053 MB / 0.9612 GB, free: 14.57 MB / 0.7918 GB
Notification: Performance of sort global known variables: time 8e-08/0.2998, allocations: 0 / 0.9612 GB, free: 14.57 MB / 0.7918 GB
Notification: Performance of remove unused functions: time 0.004415/0.3042, allocations: 1.879 MB / 0.9631 GB, free: 12.69 MB / 0.7918 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 40
 * 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 (170):
 * Single equations (assignments): 168
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(10,62,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,62)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0003785/0.3046, allocations: 186.7 kB / 0.9633 GB, free: 12.5 MB / 0.7918 GB
Notification: Performance of simCode: created initialization part: time 0.01162/0.3162, allocations: 7.639 MB / 0.9707 GB, free: 4.719 MB / 0.7918 GB
Notification: Performance of simCode: created event and clocks part: time 9.959e-06/0.3163, allocations: 0 / 0.9707 GB, free: 4.719 MB / 0.7918 GB
Notification: Performance of simCode: created simulation system equations: time 0.004554/0.3208, allocations: 3.037 MB / 0.9737 GB, free: 1.633 MB / 0.7918 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001436/0.3222, allocations: 299.3 kB / 0.974 GB, free: 1.348 MB / 0.7918 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01143/0.3337, allocations: 7.076 MB / 0.9809 GB, free: 10.06 MB / 0.8074 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001303/0.335, allocations: 1.077 MB / 0.9819 GB, free: 8.953 MB / 0.8074 GB
Notification: Performance of simCode: alias equations: time 0.00264/0.3376, allocations: 1.382 MB / 0.9833 GB, free: 7.59 MB / 0.8074 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004653/0.3381, allocations: 160.4 kB / 0.9834 GB, free: 7.434 MB / 0.8074 GB
Notification: Performance of SimCode: time 1.442e-06/0.3381, allocations: 0 / 0.9834 GB, free: 7.434 MB / 0.8074 GB
Notification: Performance of Templates: time 0.09996/0.438, allocations: 87.34 MB / 1.069 GB, free: 0.6484 MB / 0.8855 GB
"
[Timeout remaining time 660]
make -j1 -f AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.makefile [Timeout 660]
(rm -f AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.pipe ; mkfifo AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.pipe ; head -c 1048576 < AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.pipe >> ../files/AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.sim & ./AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD -abortSlowSimulation -alarm=240  -lv LOG_STATS > AixLib_AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 6.4864034238271415]