Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 11.1.0-maint.11.x/package.mo", uses=false)
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.BalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.007388/0.007388, allocations: 100.3 kB / 15.73 MB, free: 6.484 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001949/0.001949, allocations: 193.2 kB / 16.68 MB, free: 6.363 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.392/1.392, allocations: 222.9 MB / 240.4 MB, free: 4.305 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.74/2.74, allocations: 469.8 MB / 0.7425 GB, free: 7.297 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001807/0.001807, allocations: 71.83 kB / 1.065 GB, free: 13.46 MB / 0.8262 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3126/0.3144, allocations: 159.1 MB / 1.22 GB, free: 14.21 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02205/0.3365, allocations: 18.19 MB / 1.238 GB, free: 11.95 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01202/0.3486, allocations: 6.796 MB / 1.245 GB, free: 5.133 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001527/0.3501, allocations: 55.88 kB / 1.245 GB, free: 5.078 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.004063/0.3542, allocations: 1.461 MB / 1.246 GB, free: 3.613 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.003701/0.3579, allocations: 1.428 MB / 1.248 GB, free: 2.18 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003298/0.3612, allocations: 1.259 MB / 1.249 GB, free: 0.9219 MB / 0.9981 GB
Notification: Performance of NFFlatten.flatten: time 0.6204/0.9817, allocations: 5.435 MB / 1.254 GB, free: 8.465 MB / 0.9981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007579/0.9893, allocations: 7.066 MB / 1.261 GB, free: 7.082 MB / 0.9981 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004508/0.9939, allocations: 2.346 MB / 1.263 GB, free: 6.969 MB / 0.9981 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00637/1, allocations: 2.959 MB / 1.266 GB, free: 6.707 MB / 0.9981 GB
Notification: Performance of NFPackage.collectConstants: time 0.001612/1.002, allocations: 0.5106 MB / 1.267 GB, free: 6.707 MB / 0.9981 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003413/1.005, allocations: 1.26 MB / 1.268 GB, free: 6.707 MB / 0.9981 GB
Notification: Performance of NFScalarize.scalarize: time 0.003453/1.009, allocations: 2.232 MB / 1.27 GB, free: 6.578 MB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.003306/1.012, allocations: 2.17 MB / 1.272 GB, free: 6.066 MB / 0.9981 GB
Notification: Performance of NFConvertDAE.convert: time 0.01201/1.024, allocations: 7.745 MB / 1.28 GB, free: 5.355 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 6.582e-06/1.024, allocations: 0.7969 kB / 1.28 GB, free: 5.355 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 1.824e-06/1.024, allocations: 0 / 1.28 GB, free: 5.355 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.000256/1.024, allocations: 0 / 1.28 GB, free: 5.355 MB / 0.9981 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 0.01411/1.039, allocations: 3.871 MB / 1.284 GB, free: 3.277 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.734e-05/1.039, allocations: 8.656 kB / 1.284 GB, free: 3.277 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001448/1.04, allocations: 0.5429 MB / 1.284 GB, free: 2.996 MB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01377/1.054, allocations: 2.416 MB / 1.286 GB, free: 2.723 MB / 0.9981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006059/1.06, allocations: 2.191 MB / 1.289 GB, free: 1.715 MB / 0.9981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000237/1.06, allocations: 264.5 kB / 1.289 GB, free: 1.605 MB / 0.9981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001665/1.062, allocations: 346.2 kB / 1.289 GB, free: 1.5 MB / 0.9981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01937/1.081, allocations: 7.178 MB / 1.296 GB, free: 15.32 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001013/1.081, allocations: 6.953 kB / 1.296 GB, free: 15.32 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007386/1.082, allocations: 145.7 kB / 1.296 GB, free: 15.21 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006337/1.083, allocations: 331.7 kB / 1.297 GB, free: 15.18 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01987/1.103, allocations: 7.033 MB / 1.303 GB, free: 13.18 MB / 1.014 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 0.04379/1.147, allocations: 26.49 MB / 1.329 GB, free: 7.68 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009104/1.156, allocations: 4.979 MB / 1.334 GB, free: 4.277 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006233/1.162, allocations: 2.609 MB / 1.337 GB, free: 2.965 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000311/1.162, allocations: 132.5 kB / 1.337 GB, free: 2.852 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.841e-05/1.162, allocations: 61.75 kB / 1.337 GB, free: 2.797 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=208): time 4.308e-06/1.162, allocations: 0 / 1.337 GB, free: 2.797 MB / 1.029 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 0.1065/1.269, allocations: 31.14 MB / 1.367 GB, free: 9.559 MB / 1.061 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001586/1.269, allocations: 243.5 kB / 1.368 GB, free: 9.27 MB / 1.061 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002418/1.271, allocations: 1.431 MB / 1.369 GB, free: 7.828 MB / 1.061 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005696/1.272, allocations: 69.7 kB / 1.369 GB, free: 7.754 MB / 1.061 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001181/1.273, allocations: 1.537 MB / 1.371 GB, free: 6.211 MB / 1.061 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001226/1.274, allocations: 0.9659 MB / 1.371 GB, free: 5.258 MB / 1.061 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001298/1.276, allocations: 0.6398 MB / 1.372 GB, free: 4.609 MB / 1.061 GB
Notification: Performance of setup shared object (initialization): time 0.0001342/1.276, allocations: 301.1 kB / 1.372 GB, free: 4.312 MB / 1.061 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006462/1.282, allocations: 2.693 MB / 1.375 GB, free: 1.613 MB / 1.061 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007222/1.29, allocations: 3.57 MB / 1.379 GB, free: 13.68 MB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01369/1.303, allocations: 6.404 MB / 1.385 GB, free: 6.98 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.264e-05/1.303, allocations: 8 kB / 1.385 GB, free: 6.973 MB / 1.076 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 0.02993/1.333, allocations: 11.04 MB / 1.396 GB, free: 11.93 MB / 1.092 GB
Notification: Performance of prepare postOptimizeDAE: time 4.131e-05/1.333, allocations: 16 kB / 1.396 GB, free: 11.92 MB / 1.092 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.692e-05/1.333, allocations: 27.98 kB / 1.396 GB, free: 11.89 MB / 1.092 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02049/1.354, allocations: 5.547 MB / 1.401 GB, free: 6.332 MB / 1.092 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004693/1.359, allocations: 0.9906 MB / 1.402 GB, free: 5.34 MB / 1.092 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0468/1.405, allocations: 28.21 MB / 1.43 GB, free: 8.699 MB / 1.123 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005055/1.411, allocations: 0.5734 MB / 1.43 GB, free: 8.125 MB / 1.123 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005855/1.411, allocations: 151.9 kB / 1.43 GB, free: 7.977 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009133/1.42, allocations: 3.989 MB / 1.434 GB, free: 3.98 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007251/1.428, allocations: 3.542 MB / 1.438 GB, free: 64 kB / 1.123 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09201/1.52, allocations: 24.63 MB / 1.462 GB, free: 6.938 MB / 1.154 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.089e-05/1.52, allocations: 8 kB / 1.462 GB, free: 6.93 MB / 1.154 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 0.02805/1.548, allocations: 10.54 MB / 1.472 GB, free: 12.24 MB / 1.17 GB
Notification: Performance of prepare postOptimizeDAE: time 3.808e-05/1.548, allocations: 16 kB / 1.472 GB, free: 12.23 MB / 1.17 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.789e-05/1.548, allocations: 28 kB / 1.472 GB, free: 12.2 MB / 1.17 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0157/1.564, allocations: 4.326 MB / 1.476 GB, free: 7.855 MB / 1.17 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005131/1.569, allocations: 1.037 MB / 1.477 GB, free: 6.816 MB / 1.17 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03831/1.607, allocations: 27.12 MB / 1.504 GB, free: 11 MB / 1.201 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004785/1.612, allocations: 0.5576 MB / 1.504 GB, free: 10.44 MB / 1.201 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005084/1.612, allocations: 152 kB / 1.504 GB, free: 10.29 MB / 1.201 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 0.0009621/1.613, allocations: 396.3 kB / 1.505 GB, free: 9.898 MB / 1.201 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006027/1.614, allocations: 206.7 kB / 1.505 GB, free: 9.695 MB / 1.201 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 0.0275/1.642, allocations: 10.17 MB / 1.515 GB, free: 15.45 MB / 1.217 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.521e-05/1.642, allocations: 28 kB / 1.515 GB, free: 15.42 MB / 1.217 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.476e-05/1.642, allocations: 12 kB / 1.515 GB, free: 15.41 MB / 1.217 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.652e-05/1.642, allocations: 15.95 kB / 1.515 GB, free: 15.39 MB / 1.217 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 0.03788/1.68, allocations: 16.3 MB / 1.531 GB, free: 14.93 MB / 1.232 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.765e-05/1.68, allocations: 8 kB / 1.531 GB, free: 14.92 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003614/1.683, allocations: 0.7294 MB / 1.532 GB, free: 14.19 MB / 1.232 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01891/1.702, allocations: 5.18 MB / 1.537 GB, free: 8.992 MB / 1.232 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007052/1.703, allocations: 75.95 kB / 1.537 GB, free: 8.918 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04241/1.745, allocations: 27.26 MB / 1.563 GB, free: 13.18 MB / 1.264 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.177e-05/1.745, allocations: 16.03 kB / 1.563 GB, free: 13.17 MB / 1.264 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 0.02643/1.772, allocations: 10.1 MB / 1.573 GB, free: 2.816 MB / 1.264 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001947/1.774, allocations: 0.7337 MB / 1.574 GB, free: 2.062 MB / 1.264 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004698/1.774, allocations: 55.98 kB / 1.574 GB, free: 2.008 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003553/1.778, allocations: 0.5031 MB / 1.575 GB, free: 1.504 MB / 1.264 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008029/1.779, allocations: 230.3 kB / 1.575 GB, free: 1.277 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002564/1.779, allocations: 99.94 kB / 1.575 GB, free: 1.18 MB / 1.264 GB
Notification: Performance of sorting global known variables: time 0.001591/1.781, allocations: 0.9723 MB / 1.576 GB, free: 208 kB / 1.264 GB
Notification: Performance of sort global known variables: time 1.8e-07/1.781, allocations: 0 / 1.576 GB, free: 208 kB / 1.264 GB
Notification: Performance of remove unused functions: time 0.006226/1.787, allocations: 1.84 MB / 1.578 GB, free: 14.36 MB / 1.279 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 0.02656/1.813, allocations: 10.77 MB / 1.588 GB, free: 3.336 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.03164/1.845, allocations: 12.48 MB / 1.6 GB, free: 6.762 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.451e-05/1.845, allocations: 4 kB / 1.6 GB, free: 6.758 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.01146/1.857, allocations: 4.428 MB / 1.605 GB, free: 2.289 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002969/1.86, allocations: 283 kB / 1.605 GB, free: 2.027 MB / 1.295 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 0.09966/1.959, allocations: 41.72 MB / 1.646 GB, free: 7.027 MB / 1.342 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003715/1.963, allocations: 2.84 MB / 1.648 GB, free: 4.152 MB / 1.342 GB
Notification: Performance of simCode: alias equations: time 0.004536/1.968, allocations: 1.653 MB / 1.65 GB, free: 2.496 MB / 1.342 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001969/1.97, allocations: 1.204 MB / 1.651 GB, free: 1.297 MB / 1.342 GB
Notification: Performance of SimCode: time 7.31e-07/1.97, allocations: 4 kB / 1.651 GB, free: 1.293 MB / 1.342 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1723/2.142, allocations: 102.5 MB / 1.751 GB, free: 11.24 MB / 1.451 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.59/17.73, allocations: 7.469 kB / 1.751 GB, free: 11.23 MB / 1.451 GB
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)