Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_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 0.001402/0.001402, allocations: 109 kB / 16.45 MB, free: 6.508 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 0.001604/0.001604, allocations: 213.7 kB / 19.43 MB, free: 3.648 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 1.43/1.43, allocations: 230.6 MB / 252.8 MB, free: 9.105 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.1/3.1, allocations: 0.49 GB / 0.7916 GB, free: 33.41 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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_12_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_12_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 0.001994/0.001994, allocations: 65.66 kB / 1.149 GB, free: 26.31 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3488/0.3508, allocations: 176.1 MB / 1.321 GB, free: 3.242 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02428/0.3751, allocations: 18.55 MB / 1.339 GB, free: 0.6328 MB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01229/0.3874, allocations: 6.897 MB / 1.346 GB, free: 9.719 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002286/0.3896, allocations: 63.75 kB / 1.346 GB, free: 9.656 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.00436/0.394, allocations: 1.496 MB / 1.347 GB, free: 8.156 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.004066/0.3981, allocations: 1.443 MB / 1.349 GB, free: 6.707 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003567/0.4016, allocations: 1.264 MB / 1.35 GB, free: 5.441 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.007202/0.4088, allocations: 5.445 MB / 1.355 GB, free: 15.98 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007297/0.4161, allocations: 5.151 MB / 1.36 GB, free: 10.72 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004083/0.4202, allocations: 2.396 MB / 1.363 GB, free: 8.316 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005512/0.4257, allocations: 3.159 MB / 1.366 GB, free: 5.148 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.002018/0.4277, allocations: 0.5117 MB / 1.366 GB, free: 4.637 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003517/0.4313, allocations: 1.276 MB / 1.367 GB, free: 3.359 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.004108/0.4354, allocations: 2.307 MB / 1.37 GB, free: 1.047 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.00547/0.4408, allocations: 2.167 MB / 1.372 GB, free: 14.87 MB / 1.076 GB
Notification: Performance of NFConvertDAE.convert: time 0.01145/0.4523, allocations: 7.745 MB / 1.379 GB, free: 7.102 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 5.38e-06/0.4523, allocations: 0 / 1.379 GB, free: 7.102 MB / 1.076 GB
Notification: Performance of FrontEnd: time 2.425e-06/0.4523, allocations: 0 / 1.379 GB, free: 7.102 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.000218/0.4525, allocations: 0 / 1.379 GB, free: 7.102 MB / 1.076 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 0.009798/0.4623, allocations: 3.86 MB / 1.383 GB, free: 3.176 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.999e-05/0.4624, allocations: 11.98 kB / 1.383 GB, free: 3.164 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001053/0.4634, allocations: 0.5461 MB / 1.384 GB, free: 2.609 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01377/0.4772, allocations: 2.429 MB / 1.386 GB, free: 180 kB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005579/0.4828, allocations: 2.179 MB / 1.388 GB, free: 13.95 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003206/0.4831, allocations: 271.2 kB / 1.388 GB, free: 13.68 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001481/0.4846, allocations: 348 kB / 1.389 GB, free: 13.34 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01891/0.5035, allocations: 7.126 MB / 1.396 GB, free: 6.117 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001744/0.5037, allocations: 0 / 1.396 GB, free: 6.117 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001557/0.5052, allocations: 148 kB / 1.396 GB, free: 5.973 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006352/0.5058, allocations: 334 kB / 1.396 GB, free: 5.645 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01906/0.5249, allocations: 7.036 MB / 1.403 GB, free: 14.59 MB / 1.107 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 0.04015/0.5651, allocations: 26.46 MB / 1.429 GB, free: 1.957 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009572/0.5746, allocations: 4.871 MB / 1.434 GB, free: 12.79 MB / 1.139 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006553/0.5812, allocations: 2.534 MB / 1.436 GB, free: 10.23 MB / 1.139 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003501/0.5815, allocations: 131 kB / 1.436 GB, free: 10.08 MB / 1.139 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.921e-05/0.5816, allocations: 60.56 kB / 1.436 GB, free: 10.02 MB / 1.139 GB
Notification: Performance of pre-optimization done (n=208): time 4.298e-06/0.5816, allocations: 0 / 1.436 GB, free: 10.02 MB / 1.139 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 0.1162/0.6978, allocations: 31.06 MB / 1.467 GB, free: 10.89 MB / 1.17 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001668/0.698, allocations: 243.6 kB / 1.467 GB, free: 10.6 MB / 1.17 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002591/0.7006, allocations: 1.427 MB / 1.468 GB, free: 9.164 MB / 1.17 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005154/0.7011, allocations: 69.7 kB / 1.468 GB, free: 9.09 MB / 1.17 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001148/0.7023, allocations: 1.538 MB / 1.47 GB, free: 7.539 MB / 1.17 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001318/0.7036, allocations: 0.9644 MB / 1.471 GB, free: 6.566 MB / 1.17 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001751/0.7053, allocations: 0.636 MB / 1.471 GB, free: 5.922 MB / 1.17 GB
Notification: Performance of setup shared object (initialization): time 0.0001329/0.7055, allocations: 309.1 kB / 1.472 GB, free: 5.617 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006841/0.7123, allocations: 2.686 MB / 1.474 GB, free: 2.922 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007889/0.7202, allocations: 3.575 MB / 1.478 GB, free: 14.97 MB / 1.186 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01487/0.735, allocations: 6.402 MB / 1.484 GB, free: 8.168 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.495e-05/0.7351, allocations: 12 kB / 1.484 GB, free: 8.156 MB / 1.186 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 0.03192/0.767, allocations: 10.96 MB / 1.495 GB, free: 13.09 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 5.086e-05/0.7671, allocations: 16 kB / 1.495 GB, free: 13.08 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.308e-05/0.7671, allocations: 28 kB / 1.495 GB, free: 13.05 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02121/0.7883, allocations: 5.536 MB / 1.5 GB, free: 7.496 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004633/0.793, allocations: 0.9906 MB / 1.501 GB, free: 6.504 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04852/0.8415, allocations: 28.21 MB / 1.529 GB, free: 9.836 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004861/0.8463, allocations: 0.5695 MB / 1.529 GB, free: 9.266 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000758/0.8471, allocations: 155.9 kB / 1.529 GB, free: 9.113 MB / 1.232 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009316/0.8564, allocations: 3.993 MB / 1.533 GB, free: 5.113 MB / 1.232 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007584/0.864, allocations: 3.544 MB / 1.537 GB, free: 1.188 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09439/0.9584, allocations: 24.63 MB / 1.561 GB, free: 8.051 MB / 1.264 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.488e-05/0.9584, allocations: 8 kB / 1.561 GB, free: 8.043 MB / 1.264 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 0.02897/0.9874, allocations: 10.47 MB / 1.571 GB, free: 13.43 MB / 1.279 GB
Notification: Performance of prepare postOptimizeDAE: time 5.312e-05/0.9874, allocations: 26.41 kB / 1.571 GB, free: 13.41 MB / 1.279 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.276e-05/0.9875, allocations: 24 kB / 1.571 GB, free: 13.38 MB / 1.279 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01631/1.004, allocations: 4.325 MB / 1.575 GB, free: 9.035 MB / 1.279 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004915/1.009, allocations: 1.037 MB / 1.576 GB, free: 7.996 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6624/1.671, allocations: 27.11 MB / 1.603 GB, free: 255.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004715/1.676, allocations: 0.5547 MB / 1.603 GB, free: 255.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004303/1.676, allocations: 151.8 kB / 1.604 GB, free: 255.5 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 0.000873/1.677, allocations: 402.6 kB / 1.604 GB, free: 255.3 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000573/1.678, allocations: 207.2 kB / 1.604 GB, free: 255.3 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 0.02918/1.707, allocations: 10.07 MB / 1.614 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.601e-05/1.707, allocations: 30.97 kB / 1.614 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.662e-05/1.707, allocations: 12.12 kB / 1.614 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.858e-05/1.707, allocations: 15.88 kB / 1.614 GB, free: 254.4 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 0.03404/1.741, allocations: 16.19 MB / 1.63 GB, free: 248.7 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.121e-05/1.741, allocations: 7.438 kB / 1.63 GB, free: 248.7 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003298/1.744, allocations: 0.7364 MB / 1.631 GB, free: 248.7 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0168/1.761, allocations: 5.174 MB / 1.636 GB, free: 248.1 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005538/1.762, allocations: 73.53 kB / 1.636 GB, free: 248 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03207/1.794, allocations: 27.27 MB / 1.662 GB, free: 230.1 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.81e-06/1.794, allocations: 12.03 kB / 1.662 GB, free: 230.1 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 0.02176/1.816, allocations: 10.01 MB / 1.672 GB, free: 219.9 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00157/1.817, allocations: 0.732 MB / 1.673 GB, free: 219.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004999/1.818, allocations: 63.92 kB / 1.673 GB, free: 219 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00338/1.821, allocations: 0.5031 MB / 1.673 GB, free: 218.5 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000698/1.822, allocations: 226.4 kB / 1.674 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002037/1.822, allocations: 97.67 kB / 1.674 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001137/1.823, allocations: 0.9762 MB / 1.675 GB, free: 217.2 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.01e-07/1.823, allocations: 0 / 1.675 GB, free: 217.2 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005442/1.829, allocations: 1.842 MB / 1.676 GB, free: 215.4 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 0.02241/1.851, allocations: 10.68 MB / 1.687 GB, free: 204.5 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.0252/1.876, allocations: 12.02 MB / 1.699 GB, free: 192.3 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.27e-05/1.876, allocations: 1.422 kB / 1.699 GB, free: 192.3 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009324/1.886, allocations: 4.277 MB / 1.703 GB, free: 188 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002052/1.888, allocations: 276.6 kB / 1.703 GB, free: 187.8 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 0.08254/1.97, allocations: 41.56 MB / 1.744 GB, free: 145 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002543/1.973, allocations: 2.835 MB / 1.746 GB, free: 142.1 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003762/1.976, allocations: 1.656 MB / 1.748 GB, free: 140.4 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00151/1.978, allocations: 1.202 MB / 1.749 GB, free: 139.2 MB / 1.295 GB
Notification: Performance of SimCode: time 1.183e-06/1.978, allocations: 0 / 1.749 GB, free: 139.2 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1407/2.119, allocations: 103.3 MB / 1.85 GB, free: 36.37 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.12/19.24, allocations: 10.28 kB / 1.85 GB, free: 36.36 MB / 1.295 GB
"
[Timeout remaining time 281]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.8485027870629]
Failed to read output from testmodel.py, exit status != 0:
19.379178581992164 19.396006402 18.940059388
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f1d14e42ce0>