Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
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 0.001268/0.001268, allocations: 117.4 kB / 17.17 MB, free: 5.977 MB / 14.72 MB
"
[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 0.001438/0.001438, allocations: 214.3 kB / 20.13 MB, free: 3.035 MB / 14.72 MB
"
[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 1.457/1.457, allocations: 230.6 MB / 253.5 MB, free: 15.11 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002411/0.002411, allocations: 290 kB / 309.8 MB, free: 3.492 MB / 238.1 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.106/1.106, allocations: 180.6 MB / 0.5338 GB, free: 12.38 MB / 398.1 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/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)
Running command: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: NcDataReader2 requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: BuildingSystems requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.00296/0.00296, allocations: 109.5 kB / 0.7348 GB, free: 2.367 MB / 0.4981 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.485/0.488, allocations: 95.33 MB / 0.8279 GB, free: 3.031 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02273/0.5107, allocations: 18.62 MB / 0.8461 GB, free: 6.656 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01366/0.5244, allocations: 6.939 MB / 0.8528 GB, free: 1.934 MB / 0.5919 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002435/0.5268, allocations: 64.91 kB / 0.8529 GB, free: 1.918 MB / 0.5919 GB
Notification: Performance of NFTyping.typeComponents: time 0.00473/0.5316, allocations: 1.486 MB / 0.8543 GB, free: 1.07 MB / 0.5919 GB
Notification: Performance of NFTyping.typeBindings: time 0.005255/0.5368, allocations: 1.46 MB / 0.8558 GB, free: 252 kB / 0.5919 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004473/0.5413, allocations: 1.265 MB / 0.857 GB, free: 15.57 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.008075/0.5494, allocations: 5.466 MB / 0.8623 GB, free: 12.98 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007184/0.5565, allocations: 5.187 MB / 0.8674 GB, free: 10.56 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004199/0.5607, allocations: 2.413 MB / 0.8698 GB, free: 9.188 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005413/0.5662, allocations: 3.168 MB / 0.8729 GB, free: 7.242 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 0.001403/0.5676, allocations: 0.5186 MB / 0.8734 GB, free: 7.238 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003396/0.571, allocations: 1.291 MB / 0.8746 GB, free: 6.816 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 0.003816/0.5748, allocations: 2.307 MB / 0.8769 GB, free: 5.355 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 0.004336/0.5791, allocations: 2.185 MB / 0.879 GB, free: 3.809 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.01065/0.5898, allocations: 7.807 MB / 0.8866 GB, free: 13.76 MB / 0.6231 GB
Notification: Performance of FrontEnd - DAE generated: time 5.601e-06/0.5898, allocations: 0 / 0.8866 GB, free: 13.76 MB / 0.6231 GB
Notification: Performance of FrontEnd: time 2.003e-06/0.5898, allocations: 0 / 0.8866 GB, free: 13.76 MB / 0.6231 GB
Notification: Performance of Transformations before backend: time 0.0002172/0.59, allocations: 0 / 0.8866 GB, free: 13.76 MB / 0.6231 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 0.01103/0.601, allocations: 3.917 MB / 0.8905 GB, free: 9.781 MB / 0.6231 GB
Notification: Performance of prepare preOptimizeDAE: time 4.22e-05/0.6011, allocations: 8.031 kB / 0.8905 GB, free: 9.773 MB / 0.6231 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001013/0.6012, allocations: 99.36 kB / 0.8906 GB, free: 9.676 MB / 0.6231 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001011/0.6022, allocations: 0.5348 MB / 0.8911 GB, free: 9.133 MB / 0.6231 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01417/0.6163, allocations: 2.436 MB / 0.8935 GB, free: 6.691 MB / 0.6231 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005738/0.6221, allocations: 2.195 MB / 0.8956 GB, free: 4.453 MB / 0.6231 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002519/0.6223, allocations: 271.1 kB / 0.8959 GB, free: 4.188 MB / 0.6231 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001177/0.6235, allocations: 351.9 kB / 0.8962 GB, free: 3.844 MB / 0.6231 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01776/0.6413, allocations: 7.162 MB / 0.9032 GB, free: 12.58 MB / 0.6387 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.71e-05/0.6414, allocations: 11.89 kB / 0.9032 GB, free: 12.57 MB / 0.6387 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005241/0.6419, allocations: 148 kB / 0.9033 GB, free: 12.42 MB / 0.6387 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005436/0.6424, allocations: 338.1 kB / 0.9037 GB, free: 12.09 MB / 0.6387 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01797/0.6604, allocations: 7.051 MB / 0.9106 GB, free: 5.027 MB / 0.6387 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04166/0.7021, allocations: 26.58 MB / 0.9365 GB, free: 8.27 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009896/0.7119, allocations: 4.879 MB / 0.9413 GB, free: 3.086 MB / 0.67 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006823/0.7188, allocations: 2.53 MB / 0.9437 GB, free: 0.543 MB / 0.67 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003347/0.7191, allocations: 131 kB / 0.9439 GB, free: 408 kB / 0.67 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.778e-05/0.7192, allocations: 68.48 kB / 0.9439 GB, free: 328 kB / 0.67 GB
Notification: Performance of pre-optimization done (n=208): time 3.918e-06/0.7192, allocations: 3.938 kB / 0.9439 GB, free: 324 kB / 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 : 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.conv1.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.conv1.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 0.1156/0.8347, allocations: 31.11 MB / 0.9743 GB, free: 1.129 MB / 0.7012 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002165/0.835, allocations: 243.6 kB / 0.9746 GB, free: 0.8438 MB / 0.7012 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002544/0.8375, allocations: 1.469 MB / 0.976 GB, free: 15.37 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006131/0.8381, allocations: 69.7 kB / 0.9761 GB, free: 15.29 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001228/0.8393, allocations: 1.55 MB / 0.9776 GB, free: 13.73 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001323/0.8407, allocations: 0.9644 MB / 0.9785 GB, free: 12.75 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00131/0.842, allocations: 0.6321 MB / 0.9791 GB, free: 12.11 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 0.0002187/0.8422, allocations: 305.1 kB / 0.9794 GB, free: 11.81 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006729/0.8489, allocations: 2.698 MB / 0.9821 GB, free: 9.105 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008121/0.857, allocations: 3.56 MB / 0.9855 GB, free: 5.168 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01436/0.8714, allocations: 6.406 MB / 0.9918 GB, free: 14.36 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.604e-05/0.8714, allocations: 8 kB / 0.9918 GB, free: 14.36 MB / 0.7325 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.conv1.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.conv1.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 0.03055/0.902, allocations: 10.95 MB / 1.002 GB, free: 3.301 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 3.951e-05/0.902, allocations: 16 kB / 1.003 GB, free: 3.285 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.378e-05/0.9021, allocations: 28 kB / 1.003 GB, free: 3.258 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02148/0.9235, allocations: 5.541 MB / 1.008 GB, free: 13.7 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004721/0.9283, allocations: 0.9984 MB / 1.009 GB, free: 12.7 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04945/0.9777, allocations: 28.2 MB / 1.036 GB, free: 52 kB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005013/0.9827, allocations: 0.5771 MB / 1.037 GB, free: 15.47 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006751/0.9834, allocations: 155.9 kB / 1.037 GB, free: 15.32 MB / 0.7794 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009226/0.9926, allocations: 3.984 MB / 1.041 GB, free: 11.33 MB / 0.7794 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008199/1.001, allocations: 3.532 MB / 1.045 GB, free: 7.422 MB / 0.7794 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1233/1.124, allocations: 24.62 MB / 1.069 GB, free: 14.29 MB / 0.8106 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.972e-05/1.124, allocations: 8 kB / 1.069 GB, free: 14.28 MB / 0.8106 GB
Warning: The linear system: 
1 : transformer.conv3.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.conv3.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 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_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.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.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] ;
  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_n[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 0.05023/1.174, allocations: 10.47 MB / 1.079 GB, free: 3.664 MB / 0.8106 GB
Notification: Performance of prepare postOptimizeDAE: time 3.793e-05/1.174, allocations: 27.95 kB / 1.079 GB, free: 3.637 MB / 0.8106 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.598e-05/1.174, allocations: 24 kB / 1.079 GB, free: 3.613 MB / 0.8106 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01638/1.191, allocations: 4.326 MB / 1.083 GB, free: 15.27 MB / 0.8262 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005074/1.196, allocations: 1.037 MB / 1.084 GB, free: 14.23 MB / 0.8262 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04066/1.237, allocations: 27.14 MB / 1.111 GB, free: 2.359 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004777/1.241, allocations: 0.5499 MB / 1.111 GB, free: 1.809 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005186/1.242, allocations: 155.9 kB / 1.111 GB, free: 1.656 MB / 0.8419 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.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: 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 0.0009897/1.243, allocations: 398.1 kB / 1.112 GB, free: 1.262 MB / 0.8419 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000659/1.244, allocations: 210.7 kB / 1.112 GB, free: 1.055 MB / 0.8419 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.conv1.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.conv1.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 postOpt wrapFunctionCalls (simulation): time 0.0289/1.272, allocations: 10.09 MB / 1.122 GB, free: 6.895 MB / 0.8575 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.714e-05/1.273, allocations: 35.94 kB / 1.122 GB, free: 6.859 MB / 0.8575 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.416e-05/1.273, allocations: 12 kB / 1.122 GB, free: 6.848 MB / 0.8575 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.659e-05/1.273, allocations: 11.95 kB / 1.122 GB, free: 6.836 MB / 0.8575 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : 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]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : 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]
[
  -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.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -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.conv1.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]
]
 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 0.04074/1.313, allocations: 16.18 MB / 1.138 GB, free: 6.402 MB / 0.8731 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.274e-05/1.313, allocations: 12.95 kB / 1.138 GB, free: 6.391 MB / 0.8731 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003699/1.317, allocations: 0.7332 MB / 1.138 GB, free: 5.656 MB / 0.8731 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01991/1.337, allocations: 5.173 MB / 1.143 GB, free: 480 kB / 0.8731 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005857/1.338, allocations: 75.94 kB / 1.143 GB, free: 404 kB / 0.8731 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4204/1.758, allocations: 27.26 MB / 1.17 GB, free: 264.1 MB / 0.8731 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.006e-05/1.758, allocations: 15.92 kB / 1.17 GB, free: 264.1 MB / 0.8731 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_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.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.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] ;
  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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02463/1.783, allocations: 10.02 MB / 1.18 GB, free: 260.9 MB / 0.8731 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001718/1.784, allocations: 0.7339 MB / 1.181 GB, free: 260.7 MB / 0.8731 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004991/1.785, allocations: 58.06 kB / 1.181 GB, free: 260.6 MB / 0.8731 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003538/1.788, allocations: 0.506 MB / 1.181 GB, free: 260.6 MB / 0.8731 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008616/1.789, allocations: 229 kB / 1.181 GB, free: 260.5 MB / 0.8731 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002386/1.789, allocations: 88.31 kB / 1.181 GB, free: 260.5 MB / 0.8731 GB
Notification: Performance of sorting global known variables: time 0.001416/1.791, allocations: 1.002 MB / 1.182 GB, free: 260.2 MB / 0.8731 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.791, allocations: 1.094 kB / 1.182 GB, free: 260.2 MB / 0.8731 GB
Notification: Performance of remove unused functions: time 0.006345/1.797, allocations: 1.862 MB / 1.184 GB, free: 260 MB / 0.8731 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)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_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.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.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] ;
  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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02414/1.821, allocations: 10.68 MB / 1.195 GB, free: 255.7 MB / 0.8731 GB
Notification: Performance of simCode: created initialization part: time 0.0249/1.846, allocations: 12.03 MB / 1.206 GB, free: 248.9 MB / 0.8731 GB
Notification: Performance of simCode: created event and clocks part: time 1.158e-05/1.846, allocations: 7.125 kB / 1.206 GB, free: 248.9 MB / 0.8731 GB
Notification: Performance of simCode: created simulation system equations: time 0.009118/1.855, allocations: 4.271 MB / 1.211 GB, free: 244.6 MB / 0.8731 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002114/1.858, allocations: 283.5 kB / 1.211 GB, free: 244.4 MB / 0.8731 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.conv1.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.conv1.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.
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.conv1.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.conv1.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 simCode: created linear, non-linear and system jacobian parts: time 0.08333/1.941, allocations: 42.33 MB / 1.252 GB, free: 200.8 MB / 0.8731 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002606/1.943, allocations: 2.847 MB / 1.255 GB, free: 197.9 MB / 0.8731 GB
Notification: Performance of simCode: alias equations: time 0.003772/1.947, allocations: 1.661 MB / 1.257 GB, free: 196.3 MB / 0.8731 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001454/1.949, allocations: 1.224 MB / 1.258 GB, free: 195.1 MB / 0.8731 GB
Notification: Performance of SimCode: time 9.42e-07/1.949, allocations: 0 / 1.258 GB, free: 195.1 MB / 0.8731 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1377/2.086, allocations: 104.3 MB / 1.36 GB, free: 91.26 MB / 0.8731 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.25/19.33, allocations: 8 kB / 1.36 GB, free: 91.25 MB / 0.8731 GB
"
[Timeout remaining time 640]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 23.41186991200084]
Failed to read output from testmodel.py, exit status != 0:
19.531423098989762 19.539270369 18.947262121
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f594eb5f3a0>