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 0.001636/0.001636, 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 0.002038/0.002038, 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 1.441/1.441, allocations: 230.6 MB / 256.8 MB, free: 8.008 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 0.003845/0.003845, allocations: 289.7 kB / 313.5 MB, free: 2.809 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 1.242/1.242, allocations: 180.6 MB / 0.5377 GB, free: 13.05 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 0.002849/0.002849, allocations: 102.4 kB / 0.7405 GB, free: 28 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1617/0.1645, allocations: 95.37 MB / 0.8336 GB, free: 8.578 MB / 0.5762 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0258/0.1903, allocations: 19.27 MB / 0.8524 GB, free: 5.234 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.01295/0.2033, allocations: 7.074 MB / 0.8593 GB, free: 14.14 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001578/0.2049, allocations: 63.75 kB / 0.8594 GB, free: 14.08 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.004321/0.2092, allocations: 1.538 MB / 0.8609 GB, free: 12.54 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.003997/0.2132, allocations: 1.455 MB / 0.8623 GB, free: 11.07 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003765/0.217, allocations: 1.304 MB / 0.8636 GB, free: 9.77 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.007389/0.2243, allocations: 5.48 MB / 0.8689 GB, free: 4.277 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005594/0.2299, allocations: 3.402 MB / 0.8723 GB, free: 0.7773 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004065/0.234, allocations: 2.415 MB / 0.8746 GB, free: 14.36 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005541/0.2395, allocations: 3.167 MB / 0.8777 GB, free: 11.18 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.001444/0.241, allocations: 0.5195 MB / 0.8782 GB, free: 10.66 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003164/0.2441, allocations: 1.287 MB / 0.8795 GB, free: 9.371 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.003386/0.2475, allocations: 2.307 MB / 0.8817 GB, free: 7.059 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.003816/0.2514, allocations: 2.19 MB / 0.8839 GB, free: 4.859 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.009515/0.2609, allocations: 7.796 MB / 0.8915 GB, free: 13.04 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 4.929e-06/0.2609, allocations: 4 kB / 0.8915 GB, free: 13.04 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.523e-06/0.2609, allocations: 0 / 0.8915 GB, free: 13.04 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.000176/0.261, allocations: 0 / 0.8915 GB, free: 13.04 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 0.009619/0.2707, allocations: 3.836 MB / 0.8952 GB, free: 9.152 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.836e-05/0.2707, allocations: 13.33 kB / 0.8952 GB, free: 9.141 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001141/0.2708, allocations: 99.36 kB / 0.8953 GB, free: 9.043 MB / 0.6387 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00119/0.272, allocations: 0.5425 MB / 0.8959 GB, free: 8.492 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01411/0.2861, allocations: 2.433 MB / 0.8982 GB, free: 6.055 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005567/0.2917, allocations: 2.17 MB / 0.9004 GB, free: 3.855 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003018/0.292, allocations: 275 kB / 0.9006 GB, free: 3.586 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001416/0.2934, allocations: 355.9 kB / 0.901 GB, free: 3.238 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01769/0.3111, allocations: 7.162 MB / 0.908 GB, free: 11.98 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.04e-05/0.3112, allocations: 3.938 kB / 0.908 GB, free: 11.97 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007475/0.3119, allocations: 144 kB / 0.9081 GB, free: 11.83 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005528/0.3125, allocations: 334.1 kB / 0.9084 GB, free: 11.5 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01845/0.3309, allocations: 7.047 MB / 0.9153 GB, free: 4.445 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 0.03769/0.3686, allocations: 26.11 MB / 0.9408 GB, free: 8.199 MB / 0.6856 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008215/0.3768, allocations: 3.73 MB / 0.9444 GB, free: 4.441 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006363/0.3832, allocations: 2.526 MB / 0.9469 GB, free: 1.895 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002428/0.3834, allocations: 53.94 kB / 0.947 GB, free: 1.844 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.726e-05/0.3835, allocations: 68.44 kB / 0.947 GB, free: 1.766 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 4.218e-06/0.3835, allocations: 0 / 0.947 GB, free: 1.766 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 0.1106/0.4941, allocations: 30.8 MB / 0.9771 GB, free: 2.977 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001569/0.4943, allocations: 239.5 kB / 0.9773 GB, free: 2.695 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002406/0.4967, allocations: 1.477 MB / 0.9788 GB, free: 1.211 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004913/0.4972, allocations: 69.7 kB / 0.9788 GB, free: 1.137 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.3882/0.8854, allocations: 1.542 MB / 0.9803 GB, free: 133.7 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001109/0.8865, allocations: 0.9622 MB / 0.9813 GB, free: 133.4 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001291/0.8878, allocations: 0.6396 MB / 0.9819 GB, free: 133.4 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 4.051e-05/0.8878, allocations: 306 kB / 0.9822 GB, free: 133.1 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00638/0.8942, allocations: 2.689 MB / 0.9848 GB, free: 132.8 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006603/0.9008, allocations: 3.562 MB / 0.9883 GB, free: 131 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01336/0.9142, allocations: 6.4 MB / 0.9946 GB, free: 128 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.644e-05/0.9142, allocations: 7.438 kB / 0.9946 GB, free: 128 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 0.0275/0.9417, allocations: 10.81 MB / 1.005 GB, free: 125 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.847e-05/0.9418, allocations: 17.09 kB / 1.005 GB, free: 125 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.358e-05/0.9418, allocations: 24.19 kB / 1.005 GB, free: 125 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01846/0.9603, allocations: 5.534 MB / 1.011 GB, free: 122.7 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004151/0.9644, allocations: 0.9963 MB / 1.012 GB, free: 122.4 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03569/1, allocations: 27.9 MB / 1.039 GB, free: 95.57 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004526/1.005, allocations: 0.5733 MB / 1.039 GB, free: 94.99 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000569/1.005, allocations: 155.9 kB / 1.039 GB, free: 94.84 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007204/1.012, allocations: 3.987 MB / 1.043 GB, free: 90.85 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005729/1.018, allocations: 3.532 MB / 1.047 GB, free: 86.94 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08343/1.102, allocations: 24.47 MB / 1.071 GB, free: 62.01 MB / 0.7169 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.78e-05/1.102, allocations: 8 kB / 1.071 GB, free: 62 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 0.02439/1.126, allocations: 10.16 MB / 1.081 GB, free: 51.77 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.417e-05/1.126, allocations: 16 kB / 1.081 GB, free: 51.75 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.249e-05/1.126, allocations: 28 kB / 1.081 GB, free: 51.73 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0142/1.14, allocations: 4.32 MB / 1.085 GB, free: 47.39 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004445/1.145, allocations: 1.037 MB / 1.086 GB, free: 46.35 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02891/1.174, allocations: 26.74 MB / 1.112 GB, free: 19.03 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00449/1.178, allocations: 0.5557 MB / 1.113 GB, free: 18.47 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000531/1.179, allocations: 155.9 kB / 1.113 GB, free: 18.32 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 0.001029/1.18, allocations: 397.5 kB / 1.113 GB, free: 17.94 MB / 0.7169 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006465/1.18, allocations: 210.7 kB / 1.113 GB, free: 17.73 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 0.0248/1.205, allocations: 9.936 MB / 1.123 GB, free: 7.77 MB / 0.7169 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.137e-05/1.205, allocations: 28.66 kB / 1.123 GB, free: 7.742 MB / 0.7169 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.561e-05/1.205, allocations: 12 kB / 1.123 GB, free: 7.73 MB / 0.7169 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.893e-05/1.205, allocations: 15.94 kB / 1.123 GB, free: 7.715 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 0.03932/1.245, allocations: 16 MB / 1.139 GB, free: 7.574 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.606e-05/1.245, allocations: 15.69 kB / 1.139 GB, free: 7.562 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003765/1.248, allocations: 0.7411 MB / 1.139 GB, free: 6.82 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02018/1.269, allocations: 5.169 MB / 1.144 GB, free: 1.629 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005704/1.269, allocations: 67.95 kB / 1.145 GB, free: 1.562 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04613/1.315, allocations: 26.96 MB / 1.171 GB, free: 6.199 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.441e-05/1.315, allocations: 16.03 kB / 1.171 GB, free: 6.184 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 0.02814/1.343, allocations: 9.879 MB / 1.181 GB, free: 12.1 MB / 0.7794 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002152/1.346, allocations: 0.6567 MB / 1.181 GB, free: 11.44 MB / 0.7794 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007651/1.346, allocations: 59.98 kB / 1.181 GB, free: 11.38 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003976/1.35, allocations: 0.4992 MB / 1.182 GB, free: 10.88 MB / 0.7794 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008727/1.351, allocations: 246.2 kB / 1.182 GB, free: 10.64 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003731/1.352, allocations: 91.95 kB / 1.182 GB, free: 10.55 MB / 0.7794 GB
Notification: Performance of sorting global known variables: time 0.001809/1.353, allocations: 1.001 MB / 1.183 GB, free: 9.547 MB / 0.7794 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.353, allocations: 0 / 1.183 GB, free: 9.547 MB / 0.7794 GB
Notification: Performance of remove unused functions: time 0.006974/1.36, allocations: 1.855 MB / 1.185 GB, free: 7.691 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 0.02896/1.389, allocations: 10.54 MB / 1.195 GB, free: 12.93 MB / 0.795 GB
Notification: Performance of simCode: created initialization part: time 0.03388/1.423, allocations: 12.01 MB / 1.207 GB, free: 0.8164 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.355e-05/1.423, allocations: 6 kB / 1.207 GB, free: 0.8125 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.01241/1.436, allocations: 4.259 MB / 1.211 GB, free: 12.51 MB / 0.8106 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003483/1.439, allocations: 300.8 kB / 1.211 GB, free: 12.23 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.
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 0.1118/1.551, allocations: 42.13 MB / 1.252 GB, free: 0.8906 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003422/1.554, allocations: 2.849 MB / 1.255 GB, free: 14 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004397/1.559, allocations: 1.649 MB / 1.257 GB, free: 12.35 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001935/1.561, allocations: 1.222 MB / 1.258 GB, free: 11.13 MB / 0.8575 GB
Notification: Performance of SimCode: time 1.242e-06/1.561, allocations: 0 / 1.258 GB, free: 11.13 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5337/2.094, allocations: 107.8 MB / 1.363 GB, free: 316.1 MB / 0.92 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.87/19.96, allocations: 8.125 kB / 1.363 GB, free: 316.1 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: 24.303814037004486]
Failed to read output from testmodel.py, exit status != 0:
20.187499388004653 20.206142038 19.941435774
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fb0ab1933a0>