Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001787/0.001787, allocations: 107 kB / 16.45 MB, free: 6.453 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 0.001592/0.001592, allocations: 213.7 kB / 19.43 MB, free: 3.625 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 1.447/1.447, allocations: 230.6 MB / 252.8 MB, free: 8.926 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.234/3.234, allocations: 0.505 GB / 0.8066 GB, free: 23.12 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_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_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings 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 0.002401/0.002401, allocations: 63.83 kB / 1.172 GB, free: 17.4 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3248/0.3272, allocations: 180.2 MB / 1.348 GB, free: 9.93 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02403/0.3512, allocations: 18.54 MB / 1.366 GB, free: 7.324 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01206/0.3632, allocations: 6.901 MB / 1.373 GB, free: 416 kB / 1.061 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001552/0.3648, allocations: 63.75 kB / 1.373 GB, free: 352 kB / 1.061 GB
Notification: Performance of NFTyping.typeComponents: time 0.004191/0.369, allocations: 1.496 MB / 1.374 GB, free: 14.84 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.004217/0.3732, allocations: 1.443 MB / 1.376 GB, free: 13.39 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003456/0.3767, allocations: 1.265 MB / 1.377 GB, free: 12.13 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.006555/0.3832, allocations: 5.449 MB / 1.382 GB, free: 6.668 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006891/0.3901, allocations: 5.147 MB / 1.387 GB, free: 1.406 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003781/0.3939, allocations: 2.396 MB / 1.39 GB, free: 15 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005027/0.3989, allocations: 3.163 MB / 1.393 GB, free: 11.83 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001231/0.4001, allocations: 0.5078 MB / 1.393 GB, free: 11.32 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002779/0.4029, allocations: 1.276 MB / 1.394 GB, free: 10.05 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002921/0.4058, allocations: 2.296 MB / 1.397 GB, free: 7.746 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.003411/0.4093, allocations: 2.175 MB / 1.399 GB, free: 5.562 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.009939/0.4192, allocations: 7.737 MB / 1.406 GB, free: 13.8 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 6.002e-06/0.4192, allocations: 0 / 1.406 GB, free: 13.8 MB / 1.107 GB
Notification: Performance of FrontEnd: time 2.084e-06/0.4192, allocations: 7.938 kB / 1.406 GB, free: 13.79 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002507/0.4195, allocations: 4 kB / 1.406 GB, free: 13.79 MB / 1.107 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 0.01014/0.4296, allocations: 3.866 MB / 1.41 GB, free: 9.859 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 5.28e-05/0.4296, allocations: 11.98 kB / 1.41 GB, free: 9.848 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001061/0.4307, allocations: 0.5423 MB / 1.411 GB, free: 9.297 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01354/0.4442, allocations: 2.417 MB / 1.413 GB, free: 6.875 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005245/0.4495, allocations: 2.195 MB / 1.415 GB, free: 4.633 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002529/0.4497, allocations: 267.2 kB / 1.415 GB, free: 4.371 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001196/0.4509, allocations: 344 kB / 1.416 GB, free: 4.035 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01683/0.4678, allocations: 7.126 MB / 1.423 GB, free: 12.8 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.082e-05/0.4678, allocations: 4 kB / 1.423 GB, free: 12.8 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005646/0.4684, allocations: 148 kB / 1.423 GB, free: 12.66 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005269/0.4689, allocations: 330 kB / 1.423 GB, free: 12.33 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01696/0.4859, allocations: 7.035 MB / 1.43 GB, free: 5.285 MB / 1.123 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 0.03851/0.5244, allocations: 26.47 MB / 1.456 GB, free: 8.648 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009398/0.5338, allocations: 4.871 MB / 1.461 GB, free: 3.477 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006636/0.5404, allocations: 2.526 MB / 1.463 GB, free: 0.9297 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003467/0.5408, allocations: 135 kB / 1.463 GB, free: 0.7773 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.348e-05/0.5408, allocations: 60.5 kB / 1.463 GB, free: 0.7109 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 5.019e-06/0.5408, allocations: 4 kB / 1.463 GB, free: 0.707 MB / 1.154 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 0.1142/0.655, allocations: 31.06 MB / 1.494 GB, free: 1.57 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001548/0.6552, allocations: 239.6 kB / 1.494 GB, free: 1.285 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002398/0.6576, allocations: 1.435 MB / 1.495 GB, free: 15.84 MB / 1.201 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004798/0.6581, allocations: 69.7 kB / 1.495 GB, free: 15.77 MB / 1.201 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001158/0.6592, allocations: 1.538 MB / 1.497 GB, free: 14.21 MB / 1.201 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001221/0.6604, allocations: 0.9605 MB / 1.498 GB, free: 13.24 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001492/0.6619, allocations: 0.6398 MB / 1.498 GB, free: 12.59 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001218/0.6621, allocations: 301.1 kB / 1.499 GB, free: 12.3 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006468/0.6685, allocations: 2.698 MB / 1.501 GB, free: 9.59 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007318/0.6758, allocations: 3.575 MB / 1.505 GB, free: 5.641 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01382/0.6897, allocations: 6.395 MB / 1.511 GB, free: 14.85 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.167e-05/0.6897, allocations: 12 kB / 1.511 GB, free: 14.84 MB / 1.217 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 0.0314/0.7211, allocations: 10.95 MB / 1.522 GB, free: 3.777 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 5.334e-05/0.7211, allocations: 16 kB / 1.522 GB, free: 3.762 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.568e-05/0.7212, allocations: 28.5 kB / 1.522 GB, free: 3.734 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02118/0.7424, allocations: 5.544 MB / 1.527 GB, free: 14.18 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004617/0.747, allocations: 0.9945 MB / 1.528 GB, free: 13.18 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04891/0.7959, allocations: 28.19 MB / 1.556 GB, free: 0.5352 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004852/0.8008, allocations: 0.581 MB / 1.556 GB, free: 15.95 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006874/0.8014, allocations: 151.9 kB / 1.556 GB, free: 15.8 MB / 1.264 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009048/0.8105, allocations: 3.991 MB / 1.56 GB, free: 11.8 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007357/0.8178, allocations: 3.54 MB / 1.564 GB, free: 7.887 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09349/0.9113, allocations: 24.63 MB / 1.588 GB, free: 14.74 MB / 1.295 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.311e-05/0.9114, allocations: 11.94 kB / 1.588 GB, free: 14.73 MB / 1.295 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 0.02857/0.9399, allocations: 10.48 MB / 1.598 GB, free: 4.102 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.448e-05/0.94, allocations: 16 kB / 1.598 GB, free: 4.086 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.194e-05/0.94, allocations: 28 kB / 1.598 GB, free: 4.059 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.661/1.601, allocations: 4.314 MB / 1.602 GB, free: 235.6 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005031/1.606, allocations: 1.038 MB / 1.603 GB, free: 235.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03579/1.642, allocations: 27.12 MB / 1.63 GB, free: 221.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00457/1.646, allocations: 0.5562 MB / 1.63 GB, free: 221.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005039/1.647, allocations: 148.8 kB / 1.63 GB, free: 221.5 MB / 1.295 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 0.0008187/1.648, allocations: 394.8 kB / 1.631 GB, free: 221.1 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005708/1.648, allocations: 209.3 kB / 1.631 GB, free: 221.1 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 postOpt wrapFunctionCalls (simulation): time 0.02653/1.675, allocations: 10.08 MB / 1.641 GB, free: 218.4 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.595e-05/1.675, allocations: 28.2 kB / 1.641 GB, free: 218.4 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.826e-05/1.675, allocations: 13.25 kB / 1.641 GB, free: 218.4 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.197e-05/1.675, allocations: 16.34 kB / 1.641 GB, free: 218.4 MB / 1.295 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 0.03221/1.707, allocations: 16.18 MB / 1.657 GB, free: 212.6 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.023e-05/1.707, allocations: 7.688 kB / 1.657 GB, free: 212.6 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003172/1.71, allocations: 0.7369 MB / 1.657 GB, free: 212.5 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01703/1.727, allocations: 5.175 MB / 1.663 GB, free: 210 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004878/1.728, allocations: 74.48 kB / 1.663 GB, free: 209.9 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03201/1.76, allocations: 27.27 MB / 1.689 GB, free: 185.3 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.102e-06/1.76, allocations: 8 kB / 1.689 GB, free: 185.3 MB / 1.295 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 0.02219/1.782, allocations: 10.03 MB / 1.699 GB, free: 175 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001516/1.784, allocations: 0.7325 MB / 1.7 GB, free: 174.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003966/1.784, allocations: 52 kB / 1.7 GB, free: 174.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003388/1.787, allocations: 0.507 MB / 1.7 GB, free: 173.7 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006765/1.788, allocations: 226.3 kB / 1.701 GB, free: 173.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002073/1.788, allocations: 95.95 kB / 1.701 GB, free: 173.4 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001164/1.789, allocations: 0.9762 MB / 1.702 GB, free: 172.4 MB / 1.295 GB
Notification: Performance of sort global known variables: time 7e-08/1.789, allocations: 0 / 1.702 GB, free: 172.4 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005827/1.795, allocations: 1.84 MB / 1.703 GB, free: 170.6 MB / 1.295 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 0.02272/1.818, allocations: 10.68 MB / 1.714 GB, free: 159.6 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.0255/1.843, allocations: 12.03 MB / 1.726 GB, free: 147.5 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.072e-05/1.843, allocations: 0 / 1.726 GB, free: 147.5 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009293/1.853, allocations: 4.257 MB / 1.73 GB, free: 143.2 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001944/1.855, allocations: 272.4 kB / 1.73 GB, free: 142.9 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 0.08072/1.935, allocations: 41.57 MB / 1.771 GB, free: 100.1 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002436/1.938, allocations: 2.839 MB / 1.773 GB, free: 97.24 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003772/1.942, allocations: 1.65 MB / 1.775 GB, free: 95.6 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001522/1.943, allocations: 1.21 MB / 1.776 GB, free: 94.39 MB / 1.295 GB
Notification: Performance of SimCode: time 1.103e-06/1.943, allocations: 3.844 kB / 1.776 GB, free: 94.39 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1419/2.085, allocations: 103.3 MB / 1.877 GB, free: 7.484 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.63/18.72, allocations: 3.938 kB / 1.877 GB, free: 7.48 MB / 1.311 GB
"
[Timeout remaining time 281]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 25.478619635105133]
Failed to read output from testmodel.py, exit status != 0:
18.85742766293697 18.877214252999998 18.453537627
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fe436206ce0>