Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001221/0.001221, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001247/0.001247, allocations: 192.5 kB / 16.53 MB, free: 6.391 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.418/1.418, allocations: 222.9 MB / 240.2 MB, free: 4.383 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.668/2.668, allocations: 437 MB / 0.7104 GB, free: 5.066 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001438/0.001438, allocations: 59.91 kB / 0.8694 GB, free: 4.523 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6044/0.6059, allocations: 151.6 MB / 1.017 GB, free: 2.461 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02144/0.6273, allocations: 18.18 MB / 1.035 GB, free: 212 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.01101/0.6384, allocations: 6.812 MB / 1.042 GB, free: 9.375 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001526/0.6399, allocations: 55.88 kB / 1.042 GB, free: 9.32 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.003864/0.6439, allocations: 1.458 MB / 1.043 GB, free: 7.859 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003343/0.6472, allocations: 1.416 MB / 1.045 GB, free: 6.438 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003209/0.6504, allocations: 1.268 MB / 1.046 GB, free: 5.168 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.0055/0.656, allocations: 5.445 MB / 1.051 GB, free: 15.71 MB / 0.8106 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008384/0.6644, allocations: 7.195 MB / 1.058 GB, free: 8.41 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003094/0.6675, allocations: 2.345 MB / 1.061 GB, free: 6.059 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004147/0.6716, allocations: 2.945 MB / 1.063 GB, free: 3.105 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.001271/0.6729, allocations: 0.5117 MB / 1.064 GB, free: 2.594 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00291/0.6759, allocations: 1.276 MB / 1.065 GB, free: 1.316 MB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.002737/0.6786, allocations: 2.242 MB / 1.067 GB, free: 15.07 MB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.002755/0.6814, allocations: 2.171 MB / 1.07 GB, free: 12.89 MB / 0.8262 GB
Notification: Performance of NFConvertDAE.convert: time 0.006457/0.6878, allocations: 7.69 MB / 1.077 GB, free: 5.18 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 3.907e-06/0.6879, allocations: 0 / 1.077 GB, free: 5.18 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 1.583e-06/0.6879, allocations: 0 / 1.077 GB, free: 5.18 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.0001127/0.688, allocations: 0 / 1.077 GB, free: 5.18 MB / 0.8262 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 0.006784/0.6948, allocations: 3.795 MB / 1.081 GB, free: 1.324 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 3.611e-05/0.6948, allocations: 8.031 kB / 1.081 GB, free: 1.316 MB / 0.8262 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000658/0.6955, allocations: 0.5423 MB / 1.081 GB, free: 0.7656 MB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01289/0.7084, allocations: 2.407 MB / 1.084 GB, free: 14.35 MB / 0.8419 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004099/0.7125, allocations: 2.159 MB / 1.086 GB, free: 12.15 MB / 0.8419 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002056/0.7127, allocations: 263.2 kB / 1.086 GB, free: 11.89 MB / 0.8419 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008332/0.7136, allocations: 344 kB / 1.086 GB, free: 11.55 MB / 0.8419 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0146/0.7282, allocations: 7.13 MB / 1.093 GB, free: 4.324 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.763e-05/0.7283, allocations: 7.938 kB / 1.093 GB, free: 4.316 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000738/0.7291, allocations: 144 kB / 1.093 GB, free: 4.176 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004547/0.7295, allocations: 326 kB / 1.094 GB, free: 3.855 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01572/0.7452, allocations: 7.035 MB / 1.101 GB, free: 12.8 MB / 0.8575 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04147/0.7867, allocations: 26.61 MB / 1.127 GB, free: 24 kB / 0.8731 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01536/0.8022, allocations: 4.992 MB / 1.131 GB, free: 10.72 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007782/0.81, allocations: 2.596 MB / 1.134 GB, free: 8.102 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002927/0.8103, allocations: 139 kB / 1.134 GB, free: 7.949 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.144e-05/0.8104, allocations: 68.52 kB / 1.134 GB, free: 7.871 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 4.248e-06/0.8104, allocations: 4 kB / 1.134 GB, free: 7.867 MB / 0.8887 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1097/0.9201, allocations: 30.89 MB / 1.164 GB, free: 8.891 MB / 0.92 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001062/0.9202, allocations: 235.6 kB / 1.165 GB, free: 8.613 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002212/0.9225, allocations: 1.435 MB / 1.166 GB, free: 7.168 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004606/0.9229, allocations: 65.7 kB / 1.166 GB, free: 7.098 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009157/0.9239, allocations: 1.482 MB / 1.167 GB, free: 5.594 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001093/0.925, allocations: 0.9204 MB / 1.168 GB, free: 4.66 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001538/0.9265, allocations: 0.6318 MB / 1.169 GB, free: 4.02 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 8.267e-05/0.9266, allocations: 305.1 kB / 1.169 GB, free: 3.719 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006006/0.9326, allocations: 2.69 MB / 1.172 GB, free: 1.02 MB / 0.92 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00691/0.9395, allocations: 3.575 MB / 1.175 GB, free: 13.07 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01279/0.9524, allocations: 6.398 MB / 1.182 GB, free: 6.27 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.326e-05/0.9524, allocations: 8 kB / 1.182 GB, free: 6.262 MB / 0.9356 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02974/0.9822, allocations: 10.99 MB / 1.192 GB, free: 11.16 MB / 0.9512 GB
Notification: Performance of prepare postOptimizeDAE: time 5.641e-05/0.9822, allocations: 16 kB / 1.192 GB, free: 11.15 MB / 0.9512 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.643e-05/0.9823, allocations: 24.56 kB / 1.192 GB, free: 11.12 MB / 0.9512 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02057/1.003, allocations: 5.583 MB / 1.198 GB, free: 5.523 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004498/1.007, allocations: 0.9947 MB / 1.199 GB, free: 4.527 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04318/1.051, allocations: 28.18 MB / 1.226 GB, free: 7.887 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004741/1.055, allocations: 0.5692 MB / 1.227 GB, free: 7.316 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006573/1.056, allocations: 155.9 kB / 1.227 GB, free: 7.164 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008492/1.065, allocations: 3.984 MB / 1.231 GB, free: 3.172 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006836/1.071, allocations: 3.54 MB / 1.234 GB, free: 15.25 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.5512/1.623, allocations: 24.67 MB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.702e-05/1.623, allocations: 9.531 kB / 1.259 GB, free: 208.7 MB / 0.9981 GB
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02666/1.649, allocations: 10.54 MB / 1.269 GB, free: 206.2 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.447e-05/1.649, allocations: 16.19 kB / 1.269 GB, free: 206.2 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.812e-05/1.649, allocations: 29.75 kB / 1.269 GB, free: 206.2 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0148/1.664, allocations: 4.342 MB / 1.273 GB, free: 205.6 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004384/1.669, allocations: 1.041 MB / 1.274 GB, free: 205.5 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02817/1.697, allocations: 27.15 MB / 1.301 GB, free: 186.9 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004278/1.701, allocations: 0.5589 MB / 1.301 GB, free: 186.7 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003245/1.702, allocations: 151.3 kB / 1.301 GB, free: 186.6 MB / 0.9981 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true )  "Voltage vector" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i1[2]) - line2.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[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 0.0007694/1.702, allocations: 399.6 kB / 1.302 GB, free: 186.3 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004929/1.703, allocations: 196.2 kB / 1.302 GB, free: 186.3 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02395/1.727, allocations: 10.16 MB / 1.312 GB, free: 176.9 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.759e-05/1.727, allocations: 31.94 kB / 1.312 GB, free: 176.8 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.124e-05/1.727, allocations: 12 kB / 1.312 GB, free: 176.8 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.967e-05/1.727, allocations: 15.95 kB / 1.312 GB, free: 176.8 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03048/1.757, allocations: 16.33 MB / 1.328 GB, free: 160.3 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.695e-05/1.757, allocations: 4 kB / 1.328 GB, free: 160.3 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003153/1.761, allocations: 0.7372 MB / 1.329 GB, free: 159.6 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0168/1.777, allocations: 5.204 MB / 1.334 GB, free: 154.3 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003874/1.778, allocations: 75.55 kB / 1.334 GB, free: 154.3 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03131/1.809, allocations: 27.23 MB / 1.36 GB, free: 126.6 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.959e-06/1.809, allocations: 23.77 kB / 1.36 GB, free: 126.5 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02287/1.832, allocations: 10.13 MB / 1.37 GB, free: 116.2 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001507/1.834, allocations: 0.7235 MB / 1.371 GB, free: 115.4 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003814/1.834, allocations: 56 kB / 1.371 GB, free: 115.4 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0034/1.837, allocations: 0.507 MB / 1.371 GB, free: 114.9 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007223/1.838, allocations: 226.4 kB / 1.372 GB, free: 114.6 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001961/1.838, allocations: 87.95 kB / 1.372 GB, free: 114.6 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001164/1.84, allocations: 0.9723 MB / 1.373 GB, free: 113.6 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 8.72e-07/1.84, allocations: 0 / 1.373 GB, free: 113.6 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.005058/1.845, allocations: 1.852 MB / 1.375 GB, free: 111.7 MB / 0.9981 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1]
]
  =
[
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02294/1.868, allocations: 10.78 MB / 1.385 GB, free: 100.7 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02929/1.897, allocations: 14.39 MB / 1.399 GB, free: 86.23 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 1.622e-05/1.897, allocations: 0 / 1.399 GB, free: 86.23 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.009612/1.907, allocations: 4.393 MB / 1.403 GB, free: 81.79 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00207/1.909, allocations: 267.4 kB / 1.404 GB, free: 81.54 MB / 0.9981 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv2.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08512/1.994, allocations: 43.83 MB / 1.446 GB, free: 35.77 MB / 0.9981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00239/1.996, allocations: 2.836 MB / 1.449 GB, free: 32.91 MB / 0.9981 GB
Notification: Performance of simCode: alias equations: time 0.00482/2.001, allocations: 1.653 MB / 1.451 GB, free: 31.25 MB / 0.9981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001525/2.003, allocations: 1.202 MB / 1.452 GB, free: 30.05 MB / 0.9981 GB
Notification: Performance of SimCode: time 8.41e-07/2.003, allocations: 0 / 1.452 GB, free: 30.05 MB / 0.9981 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1873/2.19, allocations: 101.2 MB / 1.551 GB, free: 9.211 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate platform static: time 13/15.19, allocations: 15.55 kB / 1.551 GB, free: 9.203 MB / 1.076 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)