Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.001275/0.001275, allocations: 97.92 kB / 19.73 MB, free: 2.133 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 0.001439/0.001439, allocations: 219.6 kB / 23.03 MB, free: 4.945 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 1.46/1.46, allocations: 230.6 MB / 256.8 MB, free: 7.785 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 0.002549/0.002549, allocations: 289.7 kB / 313.5 MB, free: 2.609 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 1.265/1.265, allocations: 180.6 MB / 0.5377 GB, free: 14.48 MB / 382.1 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.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.002859/0.002859, allocations: 103.2 kB / 0.7404 GB, free: 28.46 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1617/0.1646, allocations: 95.37 MB / 0.8335 GB, free: 8.254 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02393/0.1885, allocations: 17.9 MB / 0.851 GB, free: 6.289 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01213/0.2007, allocations: 6.767 MB / 0.8576 GB, free: 15.5 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001806/0.2025, allocations: 63.75 kB / 0.8576 GB, free: 15.44 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.004508/0.207, allocations: 1.477 MB / 0.8591 GB, free: 13.96 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.004353/0.2113, allocations: 1.471 MB / 0.8605 GB, free: 12.48 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00347/0.2148, allocations: 1.277 MB / 0.8618 GB, free: 11.21 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.006867/0.2217, allocations: 5.472 MB / 0.8671 GB, free: 5.723 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005322/0.227, allocations: 3.413 MB / 0.8705 GB, free: 2.211 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003775/0.2308, allocations: 2.423 MB / 0.8728 GB, free: 15.78 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005108/0.2359, allocations: 3.171 MB / 0.8759 GB, free: 12.6 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.001332/0.2372, allocations: 0.5156 MB / 0.8764 GB, free: 12.09 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002997/0.2402, allocations: 1.213 MB / 0.8776 GB, free: 10.87 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.003002/0.2432, allocations: 2.307 MB / 0.8799 GB, free: 8.559 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.003348/0.2465, allocations: 1.79 MB / 0.8816 GB, free: 6.762 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.009654/0.2562, allocations: 7.831 MB / 0.8893 GB, free: 14.91 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 4.628e-06/0.2562, allocations: 0 / 0.8893 GB, free: 14.91 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.884e-06/0.2562, allocations: 0 / 0.8893 GB, free: 14.91 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0001905/0.2564, allocations: 0 / 0.8893 GB, free: 14.91 MB / 0.6387 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 0.009893/0.2663, allocations: 3.836 MB / 0.893 GB, free: 11.02 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.609e-05/0.2663, allocations: 9.938 kB / 0.893 GB, free: 11.02 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001427/0.2665, allocations: 99.36 kB / 0.8931 GB, free: 10.92 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001238/0.2677, allocations: 0.5504 MB / 0.8936 GB, free: 10.36 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01343/0.2811, allocations: 2.429 MB / 0.896 GB, free: 7.926 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005282/0.2864, allocations: 2.177 MB / 0.8981 GB, free: 5.719 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002436/0.2867, allocations: 275.1 kB / 0.8984 GB, free: 5.449 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009937/0.2877, allocations: 344 kB / 0.8987 GB, free: 5.113 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01714/0.3048, allocations: 7.226 MB / 0.9058 GB, free: 13.77 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.824e-05/0.3049, allocations: 3.938 kB / 0.9058 GB, free: 13.77 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005991/0.3055, allocations: 156 kB / 0.9059 GB, free: 13.61 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005434/0.306, allocations: 334.1 kB / 0.9063 GB, free: 13.29 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01876/0.3248, allocations: 7.047 MB / 0.9131 GB, free: 6.227 MB / 0.6544 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0341/0.3589, allocations: 18.5 MB / 0.9312 GB, free: 3.137 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008327/0.3672, allocations: 3.718 MB / 0.9348 GB, free: 15.39 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006443/0.3737, allocations: 2.526 MB / 0.9373 GB, free: 12.84 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000258/0.3739, allocations: 53.91 kB / 0.9374 GB, free: 12.79 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.995e-05/0.374, allocations: 64.48 kB / 0.9374 GB, free: 12.72 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 5.42e-06/0.374, allocations: 0 / 0.9374 GB, free: 12.72 MB / 0.6856 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1073/0.4813, allocations: 30.78 MB / 0.9675 GB, free: 13.95 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000167/0.4815, allocations: 247.6 kB / 0.9677 GB, free: 13.66 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002622/0.4841, allocations: 1.473 MB / 0.9692 GB, free: 12.18 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007506/0.4849, allocations: 73.7 kB / 0.9692 GB, free: 12.1 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001457/0.4863, allocations: 1.546 MB / 0.9707 GB, free: 10.54 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001379/0.4877, allocations: 0.9722 MB / 0.9717 GB, free: 9.555 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00129/0.489, allocations: 0.6398 MB / 0.9723 GB, free: 8.906 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 0.0001509/0.4891, allocations: 305.1 kB / 0.9726 GB, free: 8.605 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00629/0.4954, allocations: 2.694 MB / 0.9752 GB, free: 5.902 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007329/0.5028, allocations: 3.639 MB / 0.9788 GB, free: 1.871 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3931/0.8959, allocations: 6.393 MB / 0.985 GB, free: 130.8 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.98e-05/0.8959, allocations: 7.594 kB / 0.985 GB, free: 130.8 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02845/0.9244, allocations: 10.76 MB / 0.9955 GB, free: 128.1 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 4.161e-05/0.9244, allocations: 20.47 kB / 0.9956 GB, free: 128.1 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.357e-05/0.9245, allocations: 26.34 kB / 0.9956 GB, free: 128.1 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0188/0.9433, allocations: 5.557 MB / 1.001 GB, free: 127.4 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003999/0.9473, allocations: 0.997 MB / 1.002 GB, free: 127.2 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03336/0.9806, allocations: 27.47 MB / 1.029 GB, free: 104.7 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00423/0.9848, allocations: 0.5772 MB / 1.029 GB, free: 104.1 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004555/0.9853, allocations: 151.9 kB / 1.03 GB, free: 103.9 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006486/0.9918, allocations: 3.982 MB / 1.033 GB, free: 99.95 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005035/0.9968, allocations: 3.609 MB / 1.037 GB, free: 95.95 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07697/1.074, allocations: 24.46 MB / 1.061 GB, free: 71.04 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.724e-05/1.074, allocations: 8 kB / 1.061 GB, free: 71.03 MB / 0.7169 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02114/1.095, allocations: 10.18 MB / 1.071 GB, free: 60.82 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 2.771e-05/1.095, allocations: 16 kB / 1.071 GB, free: 60.8 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.631e-05/1.095, allocations: 28 kB / 1.071 GB, free: 60.78 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01324/1.108, allocations: 4.311 MB / 1.075 GB, free: 56.45 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004054/1.112, allocations: 1.047 MB / 1.076 GB, free: 55.41 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02613/1.138, allocations: 26.28 MB / 1.102 GB, free: 28.58 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004136/1.143, allocations: 0.5577 MB / 1.102 GB, free: 28.02 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004168/1.143, allocations: 159.9 kB / 1.102 GB, free: 27.86 MB / 0.7169 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.0008643/1.144, allocations: 396.6 kB / 1.103 GB, free: 27.48 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005173/1.144, allocations: 206.7 kB / 1.103 GB, free: 27.28 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0216/1.166, allocations: 9.936 MB / 1.113 GB, free: 17.32 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.743e-05/1.166, allocations: 28 kB / 1.113 GB, free: 17.29 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.571e-05/1.166, allocations: 15.84 kB / 1.113 GB, free: 17.28 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.434e-05/1.166, allocations: 15.95 kB / 1.113 GB, free: 17.26 MB / 0.7169 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02925/1.195, allocations: 15.39 MB / 1.128 GB, free: 1.758 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.336e-05/1.195, allocations: 8 kB / 1.128 GB, free: 1.75 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002986/1.198, allocations: 0.745 MB / 1.129 GB, free: 1.004 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01849/1.217, allocations: 5.173 MB / 1.134 GB, free: 11.81 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005194/1.217, allocations: 75.95 kB / 1.134 GB, free: 11.73 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04214/1.259, allocations: 26.52 MB / 1.16 GB, free: 0.8125 MB / 0.7481 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.897e-06/1.259, allocations: 8 kB / 1.16 GB, free: 0.8047 MB / 0.7481 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02631/1.286, allocations: 9.909 MB / 1.169 GB, free: 6.68 MB / 0.7637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001946/1.288, allocations: 0.6566 MB / 1.17 GB, free: 6.027 MB / 0.7637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004682/1.288, allocations: 55.98 kB / 1.17 GB, free: 5.973 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003422/1.292, allocations: 0.5109 MB / 1.17 GB, free: 5.461 MB / 0.7637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007566/1.292, allocations: 242.2 kB / 1.171 GB, free: 5.223 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000251/1.293, allocations: 87.95 kB / 1.171 GB, free: 5.137 MB / 0.7637 GB
Notification: Performance of sorting global known variables: time 0.001603/1.294, allocations: 1.001 MB / 1.172 GB, free: 4.133 MB / 0.7637 GB
Notification: Performance of sort global known variables: time 9e-08/1.294, allocations: 0 / 1.172 GB, free: 4.133 MB / 0.7637 GB
Notification: Performance of remove unused functions: time 0.006764/1.301, allocations: 1.858 MB / 1.174 GB, free: 2.277 MB / 0.7637 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 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02783/1.329, allocations: 10.57 MB / 1.184 GB, free: 7.492 MB / 0.7794 GB
Notification: Performance of simCode: created initialization part: time 0.03098/1.36, allocations: 12.02 MB / 1.196 GB, free: 11.36 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.843e-05/1.36, allocations: 0 / 1.196 GB, free: 11.36 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01126/1.371, allocations: 4.238 MB / 1.2 GB, free: 7.09 MB / 0.795 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002956/1.374, allocations: 294.2 kB / 1.2 GB, free: 6.812 MB / 0.795 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1099/1.484, allocations: 42.07 MB / 1.241 GB, free: 11.52 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003468/1.487, allocations: 2.289 MB / 1.243 GB, free: 9.191 MB / 0.8419 GB
Notification: Performance of simCode: alias equations: time 0.004721/1.492, allocations: 1.661 MB / 1.245 GB, free: 7.527 MB / 0.8419 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001935/1.494, allocations: 1.226 MB / 1.246 GB, free: 6.301 MB / 0.8419 GB
Notification: Performance of SimCode: time 1.042e-06/1.494, allocations: 3.938 kB / 1.246 GB, free: 6.297 MB / 0.8419 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5784/2.072, allocations: 105 MB / 1.349 GB, free: 318 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.84/19.91, allocations: 11.33 kB / 1.349 GB, free: 318 MB / 0.92 GB
"
[Timeout remaining time 640]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 24.30054171802476]
Failed to read output from testmodel.py, exit status != 0:
20.138810395961627 20.151829941 19.892450565
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f0ce989f3a0>