Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 0.001263/0.001263, allocations: 98.08 kB / 19.73 MB, free: 2.23 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 0.001447/0.001447, allocations: 219.8 kB / 23.04 MB, free: 5.074 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 1.45/1.45, allocations: 230.6 MB / 256.8 MB, free: 8 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 0.002578/0.002578, allocations: 291.9 kB / 313.5 MB, free: 2.789 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 1.225/1.225, allocations: 180.6 MB / 0.5377 GB, free: 12.95 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.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.002797/0.002797, allocations: 94.7 kB / 0.7404 GB, free: 28.21 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1621/0.1649, allocations: 95.38 MB / 0.8336 GB, free: 8.59 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.0243/0.1892, allocations: 19.19 MB / 0.8523 GB, free: 5.332 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01262/0.2018, allocations: 7.05 MB / 0.8592 GB, free: 14.26 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001516/0.2033, allocations: 63.75 kB / 0.8593 GB, free: 14.2 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.003995/0.2073, allocations: 1.539 MB / 0.8608 GB, free: 12.66 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.00374/0.2111, allocations: 1.443 MB / 0.8622 GB, free: 11.21 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00335/0.2144, allocations: 1.292 MB / 0.8635 GB, free: 9.914 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.006755/0.2212, allocations: 5.449 MB / 0.8688 GB, free: 4.453 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004824/0.226, allocations: 3.373 MB / 0.8721 GB, free: 0.9805 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003291/0.2293, allocations: 2.396 MB / 0.8744 GB, free: 14.57 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004308/0.2336, allocations: 3.159 MB / 0.8775 GB, free: 11.41 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007107/0.2343, allocations: 0.5117 MB / 0.878 GB, free: 10.89 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002219/0.2365, allocations: 1.275 MB / 0.8792 GB, free: 9.621 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.002278/0.2388, allocations: 2.296 MB / 0.8815 GB, free: 7.32 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.00253/0.2413, allocations: 2.175 MB / 0.8836 GB, free: 5.137 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.007832/0.2492, allocations: 7.747 MB / 0.8912 GB, free: 13.37 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 6.232e-06/0.2492, allocations: 0 / 0.8912 GB, free: 13.37 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 3.536e-06/0.2492, allocations: 7.938 kB / 0.8912 GB, free: 13.36 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0001631/0.2493, allocations: 3.938 kB / 0.8912 GB, free: 13.36 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.00823/0.2576, allocations: 3.793 MB / 0.8949 GB, free: 9.516 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.267e-05/0.2576, allocations: 9.344 kB / 0.8949 GB, free: 9.508 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 9.938e-05/0.2577, allocations: 95.28 kB / 0.895 GB, free: 9.414 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007698/0.2585, allocations: 0.5423 MB / 0.8955 GB, free: 8.863 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01382/0.2723, allocations: 2.425 MB / 0.8979 GB, free: 6.434 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005093/0.2774, allocations: 2.158 MB / 0.9 GB, free: 4.246 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002335/0.2776, allocations: 271 kB / 0.9002 GB, free: 3.98 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009578/0.2786, allocations: 344 kB / 0.9006 GB, free: 3.645 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01614/0.2947, allocations: 7.13 MB / 0.9075 GB, free: 12.41 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.936e-05/0.2948, allocations: 0 / 0.9075 GB, free: 12.41 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004734/0.2953, allocations: 148 kB / 0.9077 GB, free: 12.27 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005125/0.2958, allocations: 330 kB / 0.908 GB, free: 11.95 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01759/0.3134, allocations: 7.035 MB / 0.9149 GB, free: 4.898 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 0.03557/0.349, allocations: 25.97 MB / 0.9402 GB, free: 8.801 MB / 0.6856 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008417/0.3574, allocations: 3.737 MB / 0.9439 GB, free: 5.035 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006495/0.3639, allocations: 2.522 MB / 0.9463 GB, free: 2.492 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002314/0.3641, allocations: 49.94 kB / 0.9464 GB, free: 2.445 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.214e-05/0.3642, allocations: 64.5 kB / 0.9464 GB, free: 2.371 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 4.238e-06/0.3642, allocations: 0 / 0.9464 GB, free: 2.371 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 0.1071/0.4713, allocations: 30.76 MB / 0.9765 GB, free: 3.625 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001495/0.4714, allocations: 243.6 kB / 0.9767 GB, free: 3.34 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002178/0.4736, allocations: 1.427 MB / 0.9781 GB, free: 1.902 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004887/0.4741, allocations: 69.7 kB / 0.9782 GB, free: 1.828 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001092/0.4752, allocations: 1.534 MB / 0.9797 GB, free: 284 kB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.3344/0.8096, allocations: 0.959 MB / 0.9806 GB, free: 133.8 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001335/0.8109, allocations: 0.6399 MB / 0.9812 GB, free: 133.8 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 4.743e-05/0.811, allocations: 302.8 kB / 0.9815 GB, free: 133.5 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006396/0.8174, allocations: 2.692 MB / 0.9842 GB, free: 133.3 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006807/0.8242, allocations: 3.572 MB / 0.9876 GB, free: 131.4 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01345/0.8376, allocations: 6.406 MB / 0.9939 GB, free: 128.4 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.388e-05/0.8377, allocations: 10.94 kB / 0.9939 GB, free: 128.4 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 0.02798/0.8657, allocations: 10.8 MB / 1.004 GB, free: 125.5 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.921e-05/0.8657, allocations: 19.77 kB / 1.004 GB, free: 125.5 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.318e-05/0.8657, allocations: 27.78 kB / 1.005 GB, free: 125.5 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0192/0.8849, allocations: 5.54 MB / 1.01 GB, free: 123.3 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004103/0.889, allocations: 0.9899 MB / 1.011 GB, free: 123 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03432/0.9234, allocations: 27.9 MB / 1.038 GB, free: 96.15 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004555/0.9279, allocations: 0.5752 MB / 1.039 GB, free: 95.57 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004776/0.9284, allocations: 157.4 kB / 1.039 GB, free: 95.42 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00714/0.9355, allocations: 3.984 MB / 1.043 GB, free: 91.43 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00588/0.9414, allocations: 3.536 MB / 1.046 GB, free: 87.52 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08212/1.024, allocations: 24.48 MB / 1.07 GB, free: 62.59 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.093e-05/1.024, allocations: 11.84 kB / 1.07 GB, free: 62.58 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 0.02353/1.047, allocations: 10.17 MB / 1.08 GB, free: 52.34 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.363e-05/1.047, allocations: 22.03 kB / 1.08 GB, free: 52.32 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.936e-05/1.047, allocations: 28.03 kB / 1.08 GB, free: 52.29 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01425/1.061, allocations: 4.324 MB / 1.084 GB, free: 47.95 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004518/1.066, allocations: 1.038 MB / 1.085 GB, free: 46.91 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02877/1.095, allocations: 26.72 MB / 1.111 GB, free: 19.61 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004591/1.099, allocations: 0.5518 MB / 1.112 GB, free: 19.06 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00042/1.1, allocations: 155.9 kB / 1.112 GB, free: 18.91 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 0.0008558/1.101, allocations: 397.7 kB / 1.112 GB, free: 18.53 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005262/1.101, allocations: 209.7 kB / 1.113 GB, free: 18.33 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 0.02416/1.125, allocations: 9.928 MB / 1.122 GB, free: 8.367 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.756e-05/1.125, allocations: 28 kB / 1.122 GB, free: 8.34 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.155e-05/1.125, allocations: 20 kB / 1.122 GB, free: 8.32 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.898e-05/1.125, allocations: 15.95 kB / 1.122 GB, free: 8.305 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 0.03558/1.161, allocations: 15.99 MB / 1.138 GB, free: 8.18 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.131e-05/1.161, allocations: 8 kB / 1.138 GB, free: 8.172 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00375/1.165, allocations: 0.7419 MB / 1.139 GB, free: 7.43 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02007/1.185, allocations: 5.169 MB / 1.144 GB, free: 2.238 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005184/1.185, allocations: 71.95 kB / 1.144 GB, free: 2.168 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04325/1.229, allocations: 26.97 MB / 1.17 GB, free: 6.801 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.26e-05/1.229, allocations: 16.03 kB / 1.17 GB, free: 6.785 MB / 0.7637 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 0.02752/1.256, allocations: 9.868 MB / 1.18 GB, free: 12.71 MB / 0.7794 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001714/1.258, allocations: 0.6529 MB / 1.181 GB, free: 12.06 MB / 0.7794 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004437/1.258, allocations: 59.95 kB / 1.181 GB, free: 12 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003795/1.262, allocations: 0.5031 MB / 1.181 GB, free: 11.5 MB / 0.7794 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007747/1.263, allocations: 246.2 kB / 1.181 GB, free: 11.25 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002537/1.263, allocations: 91.95 kB / 1.181 GB, free: 11.16 MB / 0.7794 GB
Notification: Performance of sorting global known variables: time 0.001529/1.265, allocations: 0.9762 MB / 1.182 GB, free: 10.18 MB / 0.7794 GB
Notification: Performance of sort global known variables: time 1e-07/1.265, allocations: 3.75 kB / 1.182 GB, free: 10.18 MB / 0.7794 GB
Notification: Performance of remove unused functions: time 0.005755/1.27, allocations: 1.846 MB / 1.184 GB, free: 8.34 MB / 0.7794 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 0.02853/1.299, allocations: 10.52 MB / 1.194 GB, free: 13.59 MB / 0.795 GB
Notification: Performance of simCode: created initialization part: time 0.03185/1.331, allocations: 12.01 MB / 1.206 GB, free: 1.473 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.41e-05/1.331, allocations: 4 kB / 1.206 GB, free: 1.469 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.0116/1.342, allocations: 4.271 MB / 1.21 GB, free: 13.16 MB / 0.8106 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00219/1.345, allocations: 279.8 kB / 1.211 GB, free: 12.9 MB / 0.8106 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 simCode: created linear, non-linear and system jacobian parts: time 0.1013/1.446, allocations: 41.35 MB / 1.251 GB, free: 2.348 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003317/1.449, allocations: 2.838 MB / 1.254 GB, free: 15.48 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004502/1.454, allocations: 1.664 MB / 1.255 GB, free: 13.81 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001887/1.456, allocations: 1.202 MB / 1.257 GB, free: 12.61 MB / 0.8575 GB
Notification: Performance of SimCode: time 7.02e-07/1.456, allocations: 0 / 1.257 GB, free: 12.61 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5234/1.979, allocations: 106.9 MB / 1.361 GB, free: 316.8 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.84/19.81, allocations: 10.44 kB / 1.361 GB, free: 316.8 MB / 0.92 GB
"
[Timeout remaining time 640]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 24.084055829967838]
Failed to read output from testmodel.py, exit status != 0:
20.035853856010363 20.056256778 19.803151747
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f844a03b3a0>