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 0.06324/0.06324, allocations: 9.138 MB / 28.7 MB, free: 44 kB / 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 0.0008131/0.0008131, allocations: 98.38 kB / 34.99 MB, free: 0.9805 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 0.0009939/0.0009939, allocations: 163.4 kB / 41.38 MB, free: 1.449 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 0.9238/0.9238, allocations: 177.1 MB / 224.8 MB, free: 8.707 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 0.004025/0.004025, allocations: 0.8295 MB / 285.2 MB, free: 15.29 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 1.675/1.675, allocations: 274.9 MB / 0.6054 GB, free: 0.7969 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 2.204e-06/2.204e-06, allocations: 0 / 0.7564 GB, free: 34.87 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.813e-05/3.034e-05, allocations: 2.312 kB / 0.7564 GB, free: 34.86 MB / 0.6355 GB
Notification: Performance of NFInst.instantiate(AixLib.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.009401/0.009432, allocations: 9.054 MB / 0.7653 GB, free: 29.25 MB / 0.6355 GB
Notification: Performance of NFInst.instExpressions: time 0.004228/0.01366, allocations: 3.667 MB / 0.7689 GB, free: 26.79 MB / 0.6355 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0003999/0.01406, allocations: 59.12 kB / 0.7689 GB, free: 26.77 MB / 0.6355 GB
Notification: Performance of NFTyping.typeComponents: time 0.0007036/0.01476, allocations: 416.5 kB / 0.7693 GB, free: 26.58 MB / 0.6355 GB
Notification: Performance of NFTyping.typeBindings: time 0.001362/0.01613, allocations: 1.135 MB / 0.7704 GB, free: 25.93 MB / 0.6355 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0008695/0.01699, allocations: 0.9084 MB / 0.7713 GB, free: 25.46 MB / 0.6355 GB
Notification: Performance of NFFlatten.flatten: time 0.003131/0.02013, allocations: 4.986 MB / 0.7762 GB, free: 23.31 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002609/0.02273, allocations: 2.775 MB / 0.7789 GB, free: 21.93 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002757/0.02549, allocations: 2.875 MB / 0.7817 GB, free: 20.6 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002658/0.02815, allocations: 2.689 MB / 0.7843 GB, free: 19.76 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007582/0.02891, allocations: 444.7 kB / 0.7847 GB, free: 19.76 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001037/0.02994, allocations: 0.6274 MB / 0.7854 GB, free: 19.7 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.001413/0.03136, allocations: 2.161 MB / 0.7875 GB, free: 18.72 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.002911/0.03427, allocations: 1.382 MB / 0.7888 GB, free: 18.05 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.004629/0.0389, allocations: 3.68 MB / 0.7924 GB, free: 16.54 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 5.52e-06/0.0389, allocations: 1.344 kB / 0.7924 GB, free: 16.54 MB / 0.6355 GB
Notification: Performance of FrontEnd: time 1.974e-06/0.0389, allocations: 0 / 0.7924 GB, free: 16.54 MB / 0.6355 GB
Notification: Performance of Transformations before backend: time 0.0001803/0.03908, allocations: 0 / 0.7924 GB, free: 16.54 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 0.006591/0.04568, allocations: 3.643 MB / 0.796 GB, free: 14.43 MB / 0.6355 GB
Notification: Performance of prepare preOptimizeDAE: time 4.596e-05/0.04572, allocations: 18.39 kB / 0.796 GB, free: 14.42 MB / 0.6355 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006467/0.05219, allocations: 2.47 MB / 0.7984 GB, free: 13.96 MB / 0.6355 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003181/0.05537, allocations: 1.801 MB / 0.8002 GB, free: 13 MB / 0.6355 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001476/0.05552, allocations: 235.6 kB / 0.8004 GB, free: 12.89 MB / 0.6355 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005349/0.05605, allocations: 305.4 kB / 0.8007 GB, free: 12.8 MB / 0.6355 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006428/0.06248, allocations: 3.416 MB / 0.804 GB, free: 11.57 MB / 0.6355 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.915e-05/0.06254, allocations: 6.312 kB / 0.804 GB, free: 11.57 MB / 0.6355 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002815/0.06282, allocations: 131.9 kB / 0.8041 GB, free: 11.46 MB / 0.6355 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003735/0.0632, allocations: 315.8 kB / 0.8044 GB, free: 11.43 MB / 0.6355 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003922/0.06712, allocations: 1.694 MB / 0.8061 GB, free: 11.16 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01673/0.08385, allocations: 14.86 MB / 0.8206 GB, free: 1.035 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00273/0.08658, allocations: 2.14 MB / 0.8227 GB, free: 15.37 MB / 0.6512 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001917/0.0885, allocations: 1.319 MB / 0.824 GB, free: 14.25 MB / 0.6512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001932/0.08869, allocations: 63.36 kB / 0.824 GB, free: 14.2 MB / 0.6512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.309e-05/0.08873, allocations: 68.27 kB / 0.8241 GB, free: 14.12 MB / 0.6512 GB
Notification: Performance of pre-optimization done (n=230): time 5.1e-06/0.08874, allocations: 0.5625 kB / 0.8241 GB, free: 14.12 MB / 0.6512 GB
Notification: Performance of matching and sorting (n=313): time 0.02707/0.1158, allocations: 14.97 MB / 0.8387 GB, free: 15.56 MB / 0.6668 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.374e-05/0.1159, allocations: 247.8 kB / 0.839 GB, free: 15.27 MB / 0.6668 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00118/0.1171, allocations: 1.109 MB / 0.8401 GB, free: 14.14 MB / 0.6668 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002345/0.1173, allocations: 77.7 kB / 0.8401 GB, free: 14.06 MB / 0.6668 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006455/0.118, allocations: 1.367 MB / 0.8415 GB, free: 12.68 MB / 0.6668 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008089/0.1188, allocations: 1.123 MB / 0.8426 GB, free: 11.55 MB / 0.6668 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008144/0.1196, allocations: 0.6394 MB / 0.8432 GB, free: 10.89 MB / 0.6668 GB
Notification: Performance of setup shared object (initialization): time 0.0001028/0.1197, allocations: 476.8 kB / 0.8436 GB, free: 10.43 MB / 0.6668 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001374/0.1211, allocations: 0.782 MB / 0.8444 GB, free: 9.633 MB / 0.6668 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001763/0.1228, allocations: 1.805 MB / 0.8462 GB, free: 7.457 MB / 0.6668 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003176/0.126, allocations: 2.671 MB / 0.8488 GB, free: 4.418 MB / 0.6668 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.738e-05/0.126, allocations: 11.94 kB / 0.8488 GB, free: 4.406 MB / 0.6668 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.01092/0.1369, allocations: 6.123 MB / 0.8548 GB, free: 14.23 MB / 0.6824 GB
Notification: Performance of prepare postOptimizeDAE: time 2.98e-05/0.137, allocations: 12 kB / 0.8548 GB, free: 14.21 MB / 0.6824 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.503e-05/0.137, allocations: 16.56 kB / 0.8548 GB, free: 14.2 MB / 0.6824 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01739/0.1544, allocations: 7.175 MB / 0.8618 GB, free: 7.008 MB / 0.6824 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002239/0.1566, allocations: 0.7996 MB / 0.8626 GB, free: 6.207 MB / 0.6824 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02194/0.1786, allocations: 14.36 MB / 0.8766 GB, free: 7.664 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002601/0.1812, allocations: 411.3 kB / 0.877 GB, free: 7.262 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003839/0.1815, allocations: 139.9 kB / 0.8771 GB, free: 7.125 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002469/0.184, allocations: 0.9306 MB / 0.878 GB, free: 6.188 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001805/0.1858, allocations: 1.792 MB / 0.8798 GB, free: 4.027 MB / 0.698 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004811/0.1906, allocations: 3.849 MB / 0.8835 GB, free: 15.77 MB / 0.7137 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.75e-05/0.1906, allocations: 4.547 kB / 0.8835 GB, free: 15.77 MB / 0.7137 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 0.0101/0.2007, allocations: 5.881 MB / 0.8893 GB, free: 9.824 MB / 0.7137 GB
Notification: Performance of prepare postOptimizeDAE: time 5.082e-05/0.2008, allocations: 12 kB / 0.8893 GB, free: 9.812 MB / 0.7137 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.314e-05/0.2008, allocations: 16 kB / 0.8893 GB, free: 9.797 MB / 0.7137 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01139/0.2122, allocations: 4.786 MB / 0.894 GB, free: 4.988 MB / 0.7137 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002324/0.2145, allocations: 0.8503 MB / 0.8948 GB, free: 4.137 MB / 0.7137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01859/0.2331, allocations: 20.85 MB / 0.9152 GB, free: 14.67 MB / 0.7449 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002657/0.2358, allocations: 399.4 kB / 0.9156 GB, free: 14.28 MB / 0.7449 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002882/0.2361, allocations: 139.9 kB / 0.9157 GB, free: 14.14 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 0.000887/0.237, allocations: 478.3 kB / 0.9162 GB, free: 13.67 MB / 0.7449 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005729/0.2375, allocations: 306.7 kB / 0.9164 GB, free: 13.37 MB / 0.7449 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01099/0.2485, allocations: 6.685 MB / 0.923 GB, free: 6.598 MB / 0.7449 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.22e-05/0.2485, allocations: 32 kB / 0.923 GB, free: 6.566 MB / 0.7449 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.99e-05/0.2486, allocations: 17.59 kB / 0.923 GB, free: 6.551 MB / 0.7449 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.041e-05/0.2486, allocations: 11.95 kB / 0.923 GB, free: 6.539 MB / 0.7449 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01635/0.265, allocations: 10.26 MB / 0.9331 GB, free: 12.01 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.535e-05/0.265, allocations: 11.94 kB / 0.9331 GB, free: 12 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001543/0.2665, allocations: 0.6125 MB / 0.9337 GB, free: 11.39 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01501/0.2815, allocations: 6.619 MB / 0.9401 GB, free: 4.75 MB / 0.7605 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006338/0.2822, allocations: 83.95 kB / 0.9402 GB, free: 4.668 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01795/0.3001, allocations: 13.79 MB / 0.9537 GB, free: 6.621 MB / 0.7762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.404e-06/0.3001, allocations: 11.94 kB / 0.9537 GB, free: 6.609 MB / 0.7762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01073/0.3108, allocations: 6.376 MB / 0.9599 GB, free: 15.94 MB / 0.7918 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001401/0.3122, allocations: 0.6428 MB / 0.9605 GB, free: 15.29 MB / 0.7918 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002529/0.3125, allocations: 63.94 kB / 0.9606 GB, free: 15.23 MB / 0.7918 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001535/0.314, allocations: 404.7 kB / 0.961 GB, free: 14.84 MB / 0.7918 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007432/0.3148, allocations: 278.7 kB / 0.9612 GB, free: 14.56 MB / 0.7918 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001751/0.315, allocations: 107.9 kB / 0.9614 GB, free: 14.46 MB / 0.7918 GB
Notification: Performance of sorting global known variables: time 0.0007277/0.3157, allocations: 0.6171 MB / 0.962 GB, free: 13.83 MB / 0.7918 GB
Notification: Performance of sort global known variables: time 7.1e-08/0.3157, allocations: 0 / 0.962 GB, free: 13.83 MB / 0.7918 GB
Notification: Performance of remove unused functions: time 0.005247/0.3209, allocations: 1.902 MB / 0.9638 GB, free: 11.93 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 0.0003973/0.3213, allocations: 186.8 kB / 0.964 GB, free: 11.74 MB / 0.7918 GB
Notification: Performance of simCode: created initialization part: time 0.01174/0.3331, allocations: 7.639 MB / 0.9714 GB, free: 3.957 MB / 0.7918 GB
Notification: Performance of simCode: created event and clocks part: time 1.329e-05/0.3331, allocations: 4 kB / 0.9715 GB, free: 3.953 MB / 0.7918 GB
Notification: Performance of simCode: created simulation system equations: time 0.004728/0.3378, allocations: 3.031 MB / 0.9744 GB, free: 0.875 MB / 0.7918 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001656/0.3395, allocations: 310.9 kB / 0.9747 GB, free: 0.582 MB / 0.7918 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01233/0.3518, allocations: 7.095 MB / 0.9816 GB, free: 9.277 MB / 0.8074 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001306/0.3531, allocations: 1.07 MB / 0.9827 GB, free: 8.18 MB / 0.8074 GB
Notification: Performance of simCode: alias equations: time 0.002701/0.3558, allocations: 1.38 MB / 0.984 GB, free: 6.816 MB / 0.8074 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004867/0.3563, allocations: 164.4 kB / 0.9842 GB, free: 6.656 MB / 0.8074 GB
Notification: Performance of SimCode: time 1.904e-06/0.3563, allocations: 0 / 0.9842 GB, free: 6.656 MB / 0.8074 GB
Notification: Performance of Templates: time 0.09146/0.4478, allocations: 85.76 MB / 1.068 GB, free: 1.395 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: 6.62467537401244]