Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0019/0.0019, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.002412/0.002412, allocations: 217.9 kB / 22.25 MB, free: 5.254 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 1.463/1.463, allocations: 230.6 MB / 256 MB, free: 7.789 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 3.145/3.145, allocations: 0.4892 GB / 0.7943 GB, free: 35.73 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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.002032/0.002032, allocations: 68.53 kB / 1.153 GB, free: 25.71 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3181/0.3202, allocations: 176.1 MB / 1.325 GB, free: 2.324 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02389/0.3441, allocations: 17.93 MB / 1.343 GB, free: 344 kB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01274/0.3568, allocations: 6.738 MB / 1.349 GB, free: 9.582 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001734/0.3585, allocations: 67.69 kB / 1.349 GB, free: 9.516 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.00416/0.3627, allocations: 1.48 MB / 1.351 GB, free: 8.031 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003821/0.3665, allocations: 1.455 MB / 1.352 GB, free: 6.57 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003407/0.3699, allocations: 1.277 MB / 1.353 GB, free: 5.293 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.00667/0.3766, allocations: 5.476 MB / 1.359 GB, free: 15.8 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005105/0.3817, allocations: 3.379 MB / 1.362 GB, free: 12.32 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004095/0.3858, allocations: 2.419 MB / 1.364 GB, free: 9.898 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00526/0.3911, allocations: 3.003 MB / 1.367 GB, free: 6.887 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001269/0.3923, allocations: 0.5156 MB / 1.368 GB, free: 6.371 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002864/0.3952, allocations: 1.209 MB / 1.369 GB, free: 5.16 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002944/0.3981, allocations: 2.307 MB / 1.371 GB, free: 2.848 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.003236/0.4014, allocations: 1.782 MB / 1.373 GB, free: 1.059 MB / 1.061 GB
Notification: Performance of NFConvertDAE.convert: time 0.01005/0.4114, allocations: 7.835 MB / 1.381 GB, free: 9.199 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 5.52e-06/0.4114, allocations: 4 kB / 1.381 GB, free: 9.195 MB / 1.076 GB
Notification: Performance of FrontEnd: time 1.683e-06/0.4114, allocations: 0 / 1.381 GB, free: 9.195 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0002097/0.4116, allocations: 0 / 1.381 GB, free: 9.195 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.009329/0.421, allocations: 3.832 MB / 1.384 GB, free: 5.316 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.768e-05/0.421, allocations: 11.97 kB / 1.384 GB, free: 5.305 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009466/0.422, allocations: 0.5465 MB / 1.385 GB, free: 4.75 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01311/0.4351, allocations: 2.436 MB / 1.387 GB, free: 2.309 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006467/0.4415, allocations: 2.173 MB / 1.39 GB, free: 104 kB / 1.076 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002923/0.4418, allocations: 279.2 kB / 1.39 GB, free: 15.83 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001313/0.4431, allocations: 344 kB / 1.39 GB, free: 15.49 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0162/0.4593, allocations: 7.23 MB / 1.397 GB, free: 8.145 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.494e-05/0.4594, allocations: 7.938 kB / 1.397 GB, free: 8.137 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004891/0.4599, allocations: 148 kB / 1.397 GB, free: 7.992 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005043/0.4604, allocations: 334.1 kB / 1.398 GB, free: 7.664 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01691/0.4773, allocations: 7.039 MB / 1.404 GB, free: 0.6055 MB / 1.092 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 0.0355/0.5128, allocations: 18.5 MB / 1.423 GB, free: 13.52 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008618/0.5214, allocations: 3.713 MB / 1.426 GB, free: 9.777 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006324/0.5278, allocations: 2.53 MB / 1.429 GB, free: 7.23 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002572/0.528, allocations: 49.91 kB / 1.429 GB, free: 7.18 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.905e-05/0.5281, allocations: 60.56 kB / 1.429 GB, free: 7.113 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 4.789e-06/0.5281, allocations: 0 / 1.429 GB, free: 7.113 MB / 1.123 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 0.1116/0.6397, allocations: 30.79 MB / 1.459 GB, free: 8.34 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001933/0.6399, allocations: 251.5 kB / 1.459 GB, free: 8.043 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00284/0.6427, allocations: 1.519 MB / 1.461 GB, free: 6.516 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005697/0.6433, allocations: 69.7 kB / 1.461 GB, free: 6.441 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001233/0.6446, allocations: 1.55 MB / 1.462 GB, free: 4.875 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001388/0.6459, allocations: 0.9606 MB / 1.463 GB, free: 3.906 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001918/0.6479, allocations: 0.6398 MB / 1.464 GB, free: 3.258 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.0001494/0.648, allocations: 305.1 kB / 1.464 GB, free: 2.957 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00665/0.6547, allocations: 2.694 MB / 1.467 GB, free: 260 kB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00748/0.6621, allocations: 3.639 MB / 1.47 GB, free: 12.21 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01378/0.6759, allocations: 6.399 MB / 1.476 GB, free: 5.418 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.337e-05/0.676, allocations: 8 kB / 1.476 GB, free: 5.41 MB / 1.17 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 0.03049/0.7064, allocations: 10.8 MB / 1.487 GB, free: 10.54 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 6.066e-05/0.7065, allocations: 16 kB / 1.487 GB, free: 10.52 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.553e-05/0.7066, allocations: 28 kB / 1.487 GB, free: 10.5 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02094/0.7275, allocations: 5.536 MB / 1.492 GB, free: 4.941 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004605/0.7321, allocations: 0.9906 MB / 1.493 GB, free: 3.949 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04639/0.7785, allocations: 27.49 MB / 1.52 GB, free: 8.09 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005026/0.7835, allocations: 0.5694 MB / 1.521 GB, free: 7.52 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005815/0.7841, allocations: 151.9 kB / 1.521 GB, free: 7.371 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00865/0.7927, allocations: 3.991 MB / 1.525 GB, free: 3.371 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007522/0.8003, allocations: 3.608 MB / 1.528 GB, free: 15.37 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09246/0.8927, allocations: 24.46 MB / 1.552 GB, free: 6.426 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.613e-05/0.8928, allocations: 8 kB / 1.552 GB, free: 6.418 MB / 1.248 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 0.02693/0.9197, allocations: 10.17 MB / 1.562 GB, free: 12.18 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 3.778e-05/0.9197, allocations: 19.94 kB / 1.562 GB, free: 12.16 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.03e-05/0.9198, allocations: 24 kB / 1.562 GB, free: 12.14 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01567/0.9355, allocations: 4.317 MB / 1.566 GB, free: 7.797 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004734/0.9402, allocations: 1.037 MB / 1.567 GB, free: 6.758 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03778/0.978, allocations: 26.26 MB / 1.593 GB, free: 11.91 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004654/0.9826, allocations: 0.5537 MB / 1.594 GB, free: 11.35 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004353/0.9831, allocations: 152 kB / 1.594 GB, free: 11.2 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 0.001031/0.9841, allocations: 408.1 kB / 1.594 GB, free: 10.8 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006114/0.9847, allocations: 215.1 kB / 1.594 GB, free: 10.59 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 0.02677/1.011, allocations: 9.932 MB / 1.604 GB, free: 0.6133 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.039e-05/1.012, allocations: 28 kB / 1.604 GB, free: 0.5859 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.466e-05/1.012, allocations: 15.94 kB / 1.604 GB, free: 0.5703 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.62e-05/1.012, allocations: 15.95 kB / 1.604 GB, free: 0.5547 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 0.6466/1.658, allocations: 15.35 MB / 1.619 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.226e-05/1.658, allocations: 8.078 kB / 1.619 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003402/1.662, allocations: 0.7421 MB / 1.62 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01797/1.68, allocations: 5.165 MB / 1.625 GB, free: 256 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005247/1.68, allocations: 74.48 kB / 1.625 GB, free: 256 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03336/1.713, allocations: 26.55 MB / 1.651 GB, free: 242.4 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.342e-06/1.714, allocations: 11.56 kB / 1.651 GB, free: 242.4 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 0.02186/1.735, allocations: 9.876 MB / 1.661 GB, free: 237.6 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002089/1.737, allocations: 0.6588 MB / 1.661 GB, free: 237.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004751/1.738, allocations: 53.69 kB / 1.661 GB, free: 237 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003304/1.741, allocations: 0.5128 MB / 1.662 GB, free: 236.5 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006466/1.742, allocations: 238.2 kB / 1.662 GB, free: 236.3 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001968/1.742, allocations: 90.58 kB / 1.662 GB, free: 236.2 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001161/1.743, allocations: 1.005 MB / 1.663 GB, free: 235.2 MB / 1.295 GB
Notification: Performance of sort global known variables: time 8e-08/1.743, allocations: 0 / 1.663 GB, free: 235.2 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005175/1.748, allocations: 1.848 MB / 1.665 GB, free: 233.4 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 0.02149/1.77, allocations: 10.54 MB / 1.675 GB, free: 222.6 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02459/1.794, allocations: 12.02 MB / 1.687 GB, free: 210.5 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.753e-05/1.795, allocations: 4.875 kB / 1.687 GB, free: 210.5 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009348/1.804, allocations: 4.266 MB / 1.691 GB, free: 206.2 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0025/1.806, allocations: 289 kB / 1.691 GB, free: 205.9 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.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08285/1.889, allocations: 42.12 MB / 1.732 GB, free: 162.6 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00376/1.893, allocations: 2.282 MB / 1.735 GB, free: 160.3 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004467/1.897, allocations: 1.658 MB / 1.736 GB, free: 158.7 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001949/1.899, allocations: 1.226 MB / 1.738 GB, free: 157.4 MB / 1.295 GB
Notification: Performance of SimCode: time 1.563e-06/1.899, allocations: 0 / 1.738 GB, free: 157.4 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1373/2.037, allocations: 104.3 MB / 1.839 GB, free: 53.68 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.26/18.29, allocations: 2.969 kB / 1.839 GB, free: 53.68 MB / 1.295 GB
"
[Timeout remaining time 282]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.071882290765643]
Failed to read output from testmodel.py, exit status != 0:
18.464807545766234 18.483406517 18.068128541
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fcceafc2fb0>