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 0.001288/0.001288, allocations: 97.31 kB / 19.73 MB, free: 2.117 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 0.001441/0.001441, allocations: 219.1 kB / 23.03 MB, free: 4.922 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 1.437/1.437, allocations: 230.6 MB / 256.8 MB, free: 7.789 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 0.002575/0.002575, allocations: 291.1 kB / 313.5 MB, free: 2.586 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 1.258/1.258, allocations: 180.6 MB / 0.5377 GB, free: 14.41 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.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 0.003817/0.003817, allocations: 95.11 kB / 0.7404 GB, free: 28.1 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1497/0.1536, allocations: 95.39 MB / 0.8335 GB, free: 8.219 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02453/0.1781, allocations: 17.89 MB / 0.851 GB, free: 6.262 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01225/0.1903, allocations: 6.724 MB / 0.8575 GB, free: 15.52 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001585/0.1919, allocations: 63.75 kB / 0.8576 GB, free: 15.46 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.004191/0.1961, allocations: 1.493 MB / 0.8591 GB, free: 13.96 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.004395/0.2005, allocations: 1.455 MB / 0.8605 GB, free: 12.5 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003422/0.2039, allocations: 1.268 MB / 0.8617 GB, free: 11.23 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.006941/0.2109, allocations: 5.476 MB / 0.8671 GB, free: 5.742 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00532/0.2162, allocations: 3.41 MB / 0.8704 GB, free: 2.234 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004036/0.2202, allocations: 2.423 MB / 0.8728 GB, free: 15.8 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006019/0.2262, allocations: 3.171 MB / 0.8759 GB, free: 12.62 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.00175/0.228, allocations: 0.5195 MB / 0.8764 GB, free: 12.11 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003071/0.2311, allocations: 1.205 MB / 0.8776 GB, free: 10.9 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.003437/0.2345, allocations: 2.303 MB / 0.8798 GB, free: 8.59 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.003541/0.238, allocations: 1.79 MB / 0.8815 GB, free: 6.793 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.009721/0.2478, allocations: 7.831 MB / 0.8892 GB, free: 14.94 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 5.45e-06/0.2478, allocations: 0 / 0.8892 GB, free: 14.94 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.613e-06/0.2478, allocations: 0 / 0.8892 GB, free: 14.94 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0001719/0.2479, allocations: 0 / 0.8892 GB, free: 14.94 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 0.008992/0.2569, allocations: 3.832 MB / 0.8929 GB, free: 11.06 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.286e-05/0.257, allocations: 9.938 kB / 0.8929 GB, free: 11.05 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001068/0.2571, allocations: 107.3 kB / 0.893 GB, free: 10.95 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001041/0.2581, allocations: 0.5464 MB / 0.8936 GB, free: 10.39 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01313/0.2713, allocations: 2.433 MB / 0.896 GB, free: 7.953 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005283/0.2765, allocations: 2.17 MB / 0.8981 GB, free: 5.754 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002534/0.2768, allocations: 271.1 kB / 0.8983 GB, free: 5.488 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00101/0.2778, allocations: 351.9 kB / 0.8987 GB, free: 5.145 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0161/0.2939, allocations: 7.238 MB / 0.9057 GB, free: 13.79 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.33e-05/0.294, allocations: 3.938 kB / 0.9057 GB, free: 13.79 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005661/0.2946, allocations: 144 kB / 0.9059 GB, free: 13.64 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004962/0.2951, allocations: 334.1 kB / 0.9062 GB, free: 13.32 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01769/0.3127, allocations: 7.047 MB / 0.9131 GB, free: 6.258 MB / 0.6544 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 0.03811/0.3508, allocations: 18.51 MB / 0.9312 GB, free: 3.16 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008911/0.3598, allocations: 3.714 MB / 0.9348 GB, free: 15.41 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006598/0.3664, allocations: 2.522 MB / 0.9372 GB, free: 12.88 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003166/0.3667, allocations: 45.97 kB / 0.9373 GB, free: 12.83 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.795e-05/0.3668, allocations: 68.44 kB / 0.9374 GB, free: 12.75 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 5.761e-06/0.3668, allocations: 0 / 0.9374 GB, free: 12.75 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.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 0.1129/0.4796, allocations: 30.8 MB / 0.9674 GB, free: 13.95 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000198/0.4798, allocations: 235.6 kB / 0.9677 GB, free: 13.68 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002968/0.4828, allocations: 1.473 MB / 0.9691 GB, free: 12.2 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005424/0.4833, allocations: 73.7 kB / 0.9692 GB, free: 12.12 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001319/0.4846, allocations: 1.542 MB / 0.9707 GB, free: 10.56 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001317/0.486, allocations: 0.9761 MB / 0.9716 GB, free: 9.574 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001367/0.4873, allocations: 0.6321 MB / 0.9723 GB, free: 8.934 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 0.0001313/0.4875, allocations: 309.1 kB / 0.9725 GB, free: 8.629 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006175/0.4936, allocations: 2.686 MB / 0.9752 GB, free: 5.934 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007053/0.5007, allocations: 3.639 MB / 0.9787 GB, free: 1.902 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3948/0.8955, allocations: 6.405 MB / 0.985 GB, free: 130.7 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.123e-05/0.8955, allocations: 7 kB / 0.985 GB, free: 130.7 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.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 0.02868/0.9242, allocations: 10.79 MB / 0.9955 GB, free: 127.9 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.936e-05/0.9243, allocations: 22.62 kB / 0.9955 GB, free: 127.9 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.939e-05/0.9243, allocations: 29.78 kB / 0.9956 GB, free: 127.9 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0187/0.943, allocations: 5.529 MB / 1.001 GB, free: 127.2 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004039/0.947, allocations: 0.9954 MB / 1.002 GB, free: 127 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03499/0.982, allocations: 27.48 MB / 1.029 GB, free: 104.6 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004267/0.9863, allocations: 0.5733 MB / 1.029 GB, free: 104 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004653/0.9868, allocations: 155.9 kB / 1.029 GB, free: 103.8 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006657/0.9934, allocations: 3.985 MB / 1.033 GB, free: 99.85 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005321/0.9987, allocations: 3.604 MB / 1.037 GB, free: 95.85 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07946/1.078, allocations: 24.47 MB / 1.061 GB, free: 70.94 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.994e-05/1.078, allocations: 8 kB / 1.061 GB, free: 70.93 MB / 0.7169 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 0.0224/1.101, allocations: 10.18 MB / 1.071 GB, free: 60.73 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.093e-05/1.101, allocations: 19.84 kB / 1.071 GB, free: 60.71 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.742e-05/1.101, allocations: 24 kB / 1.071 GB, free: 60.69 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01373/1.114, allocations: 4.319 MB / 1.075 GB, free: 56.36 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004276/1.119, allocations: 1.041 MB / 1.076 GB, free: 55.32 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02731/1.146, allocations: 26.27 MB / 1.102 GB, free: 28.51 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004302/1.15, allocations: 0.5577 MB / 1.102 GB, free: 27.95 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005378/1.151, allocations: 151.9 kB / 1.102 GB, free: 27.8 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.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 0.0009558/1.152, allocations: 401.1 kB / 1.103 GB, free: 27.42 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000571/1.152, allocations: 214.7 kB / 1.103 GB, free: 27.21 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.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 0.02288/1.175, allocations: 9.931 MB / 1.113 GB, free: 17.25 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.245e-05/1.175, allocations: 28 kB / 1.113 GB, free: 17.22 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.149e-05/1.175, allocations: 15.98 kB / 1.113 GB, free: 17.21 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.928e-05/1.175, allocations: 11.95 kB / 1.113 GB, free: 17.2 MB / 0.7169 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 0.03039/1.206, allocations: 15.36 MB / 1.128 GB, free: 1.715 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.589e-05/1.206, allocations: 8 kB / 1.128 GB, free: 1.707 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003154/1.209, allocations: 0.7299 MB / 1.128 GB, free: 0.9766 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01961/1.229, allocations: 5.176 MB / 1.133 GB, free: 11.78 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006419/1.229, allocations: 75.95 kB / 1.134 GB, free: 11.71 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04548/1.275, allocations: 26.55 MB / 1.159 GB, free: 0.7539 MB / 0.7481 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.877e-06/1.275, allocations: 11.94 kB / 1.159 GB, free: 0.7422 MB / 0.7481 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 0.02698/1.302, allocations: 9.873 MB / 1.169 GB, free: 6.652 MB / 0.7637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002047/1.304, allocations: 0.6567 MB / 1.17 GB, free: 5.996 MB / 0.7637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005309/1.304, allocations: 52 kB / 1.17 GB, free: 5.945 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003686/1.308, allocations: 0.507 MB / 1.17 GB, free: 5.438 MB / 0.7637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008605/1.309, allocations: 242.2 kB / 1.171 GB, free: 5.199 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002894/1.309, allocations: 91.95 kB / 1.171 GB, free: 5.109 MB / 0.7637 GB
Notification: Performance of sorting global known variables: time 0.00165/1.311, allocations: 1.001 MB / 1.172 GB, free: 4.105 MB / 0.7637 GB
Notification: Performance of sort global known variables: time 1e-07/1.311, allocations: 0 / 1.172 GB, free: 4.105 MB / 0.7637 GB
Notification: Performance of remove unused functions: time 0.006398/1.317, allocations: 1.853 MB / 1.173 GB, free: 2.254 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 : 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 0.02768/1.345, allocations: 10.54 MB / 1.184 GB, free: 7.504 MB / 0.7794 GB
Notification: Performance of simCode: created initialization part: time 0.03052/1.375, allocations: 12.04 MB / 1.195 GB, free: 11.36 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.226e-05/1.375, allocations: 0 / 1.195 GB, free: 11.36 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01114/1.386, allocations: 4.261 MB / 1.2 GB, free: 7.066 MB / 0.795 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002332/1.389, allocations: 279.2 kB / 1.2 GB, free: 6.805 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.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 0.1054/1.494, allocations: 42.12 MB / 1.241 GB, free: 11.46 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003672/1.498, allocations: 2.293 MB / 1.243 GB, free: 9.125 MB / 0.8419 GB
Notification: Performance of simCode: alias equations: time 0.004884/1.503, allocations: 1.657 MB / 1.245 GB, free: 7.465 MB / 0.8419 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002141/1.505, allocations: 1.222 MB / 1.246 GB, free: 6.242 MB / 0.8419 GB
Notification: Performance of SimCode: time 1.092e-06/1.505, allocations: 4 kB / 1.246 GB, free: 6.238 MB / 0.8419 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5472/2.052, allocations: 105 MB / 1.349 GB, free: 317.8 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.85/19.9, allocations: 13.14 kB / 1.349 GB, free: 317.8 MB / 0.92 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: 24.140475586988032]
Failed to read output from testmodel.py, exit status != 0:
20.123466774006374 20.142909966 19.891474796
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f92f81e73a0>