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 0.001338/0.001338, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.001482/0.001482, allocations: 215.2 kB / 22.25 MB, free: 5.082 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 1.426/1.426, allocations: 230.6 MB / 256 MB, free: 8 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 3.118/3.118, allocations: 0.505 GB / 0.8101 GB, free: 22.04 MB / 0.6231 GB
"
[Timeout remaining time 177]
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 0.001949/0.001949, allocations: 63.62 kB / 1.177 GB, free: 17.07 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3443/0.3463, allocations: 180.2 MB / 1.353 GB, free: 8.418 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02479/0.371, allocations: 19.2 MB / 1.372 GB, free: 5.141 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01308/0.3841, allocations: 7.05 MB / 1.379 GB, free: 14.07 MB / 1.076 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001631/0.3858, allocations: 67.69 kB / 1.379 GB, free: 14.01 MB / 1.076 GB
Notification: Performance of NFTyping.typeComponents: time 0.004054/0.3898, allocations: 1.542 MB / 1.38 GB, free: 12.46 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.003668/0.3935, allocations: 1.436 MB / 1.382 GB, free: 11.02 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00348/0.397, allocations: 1.3 MB / 1.383 GB, free: 9.719 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.00697/0.4039, allocations: 5.441 MB / 1.388 GB, free: 4.266 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005008/0.4089, allocations: 3.374 MB / 1.391 GB, free: 0.7969 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004781/0.4137, allocations: 2.396 MB / 1.394 GB, free: 14.39 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006238/0.42, allocations: 3.155 MB / 1.397 GB, free: 11.23 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001432/0.4214, allocations: 0.5117 MB / 1.397 GB, free: 10.72 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003089/0.4245, allocations: 1.283 MB / 1.399 GB, free: 9.434 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002911/0.4274, allocations: 2.303 MB / 1.401 GB, free: 7.125 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.003756/0.4311, allocations: 2.167 MB / 1.403 GB, free: 4.949 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.009846/0.441, allocations: 7.741 MB / 1.411 GB, free: 13.18 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 4.398e-06/0.441, allocations: 0 / 1.411 GB, free: 13.18 MB / 1.107 GB
Notification: Performance of FrontEnd: time 1.163e-06/0.441, allocations: 0 / 1.411 GB, free: 13.18 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002156/0.4412, allocations: 0 / 1.411 GB, free: 13.18 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 0.008515/0.4497, allocations: 3.802 MB / 1.414 GB, free: 9.336 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 4.165e-05/0.4498, allocations: 8.031 kB / 1.414 GB, free: 9.328 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007804/0.4505, allocations: 0.5423 MB / 1.415 GB, free: 8.777 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01231/0.4629, allocations: 2.421 MB / 1.417 GB, free: 6.352 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005922/0.4688, allocations: 2.162 MB / 1.419 GB, free: 4.156 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002613/0.469, allocations: 263.2 kB / 1.42 GB, free: 3.898 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00118/0.4702, allocations: 347.9 kB / 1.42 GB, free: 3.559 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01594/0.4862, allocations: 7.13 MB / 1.427 GB, free: 12.32 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.346e-05/0.4863, allocations: 7.938 kB / 1.427 GB, free: 12.32 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004601/0.4867, allocations: 148 kB / 1.427 GB, free: 12.17 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004878/0.4872, allocations: 330 kB / 1.427 GB, free: 11.85 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.018/0.5052, allocations: 7.035 MB / 1.434 GB, free: 4.801 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 0.04195/0.5472, allocations: 25.97 MB / 1.46 GB, free: 8.703 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008898/0.5561, allocations: 3.728 MB / 1.463 GB, free: 4.949 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006446/0.5625, allocations: 2.514 MB / 1.466 GB, free: 2.41 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000334/0.5628, allocations: 69.86 kB / 1.466 GB, free: 2.34 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.831e-05/0.5629, allocations: 52.56 kB / 1.466 GB, free: 2.281 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 5.04e-06/0.5629, allocations: 0 / 1.466 GB, free: 2.281 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 0.1002/0.6631, allocations: 30.77 MB / 1.496 GB, free: 3.535 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001567/0.6633, allocations: 235.6 kB / 1.496 GB, free: 3.254 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002302/0.6656, allocations: 1.431 MB / 1.497 GB, free: 1.812 MB / 1.186 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005149/0.6661, allocations: 69.7 kB / 1.497 GB, free: 1.738 MB / 1.186 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001117/0.6672, allocations: 1.538 MB / 1.499 GB, free: 188 kB / 1.186 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001086/0.6683, allocations: 0.9685 MB / 1.5 GB, free: 15.2 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001127/0.6694, allocations: 0.6282 MB / 1.501 GB, free: 14.57 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001572/0.6696, allocations: 305.1 kB / 1.501 GB, free: 14.27 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005897/0.6755, allocations: 2.69 MB / 1.503 GB, free: 11.57 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006555/0.682, allocations: 3.575 MB / 1.507 GB, free: 7.613 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01393/0.696, allocations: 6.41 MB / 1.513 GB, free: 0.8047 MB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.382e-05/0.696, allocations: 4 kB / 1.513 GB, free: 0.8008 MB / 1.201 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02876/0.7248, allocations: 10.81 MB / 1.524 GB, free: 5.926 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 4.617e-05/0.7248, allocations: 16 kB / 1.524 GB, free: 5.91 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.774e-05/0.7248, allocations: 28 kB / 1.524 GB, free: 5.883 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01986/0.7447, allocations: 5.544 MB / 1.529 GB, free: 332 kB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004389/0.7491, allocations: 0.9867 MB / 1.53 GB, free: 15.34 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04405/0.7931, allocations: 27.9 MB / 1.557 GB, free: 3.055 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004405/0.7976, allocations: 0.5733 MB / 1.558 GB, free: 2.48 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004951/0.798, allocations: 151.9 kB / 1.558 GB, free: 2.332 MB / 1.248 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008173/0.8062, allocations: 3.984 MB / 1.562 GB, free: 14.34 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00697/0.8132, allocations: 3.532 MB / 1.565 GB, free: 10.43 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09004/0.9032, allocations: 24.48 MB / 1.589 GB, free: 1.477 MB / 1.279 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.883e-05/0.9033, allocations: 8 kB / 1.589 GB, free: 1.469 MB / 1.279 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 0.02674/0.93, allocations: 10.17 MB / 1.599 GB, free: 7.223 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.206e-05/0.93, allocations: 16 kB / 1.599 GB, free: 7.207 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.675e-05/0.9301, allocations: 32.12 kB / 1.599 GB, free: 7.176 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01532/0.9454, allocations: 4.325 MB / 1.604 GB, free: 2.836 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004696/0.9501, allocations: 1.041 MB / 1.605 GB, free: 1.793 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7105/1.661, allocations: 26.7 MB / 1.631 GB, free: 221.6 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004642/1.665, allocations: 0.5556 MB / 1.631 GB, free: 221.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004613/1.666, allocations: 153.5 kB / 1.631 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 0.0008853/1.667, allocations: 396.8 kB / 1.632 GB, free: 221.2 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006247/1.667, allocations: 203.9 kB / 1.632 GB, free: 221.2 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 0.02622/1.693, allocations: 9.927 MB / 1.642 GB, free: 218.6 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.059e-05/1.694, allocations: 31.44 kB / 1.642 GB, free: 218.6 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.349e-05/1.694, allocations: 11.47 kB / 1.642 GB, free: 218.6 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.736e-05/1.694, allocations: 18.56 kB / 1.642 GB, free: 218.6 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 0.03501/1.729, allocations: 16.02 MB / 1.657 GB, free: 213.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.157e-05/1.729, allocations: 11.8 kB / 1.657 GB, free: 213.1 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003136/1.732, allocations: 0.7317 MB / 1.658 GB, free: 213.1 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0166/1.748, allocations: 5.176 MB / 1.663 GB, free: 210.7 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006922/1.749, allocations: 75.39 kB / 1.663 GB, free: 210.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03272/1.782, allocations: 26.96 MB / 1.689 GB, free: 188.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.113e-06/1.782, allocations: 12 kB / 1.69 GB, free: 188.6 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 0.02147/1.803, allocations: 9.868 MB / 1.699 GB, free: 178.6 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002106/1.805, allocations: 0.6565 MB / 1.7 GB, free: 177.9 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007482/1.806, allocations: 51.98 kB / 1.7 GB, free: 177.8 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003454/1.81, allocations: 0.507 MB / 1.7 GB, free: 177.3 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000966/1.811, allocations: 238.2 kB / 1.701 GB, free: 177.1 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003814/1.811, allocations: 94.02 kB / 1.701 GB, free: 177 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001673/1.813, allocations: 0.9762 MB / 1.702 GB, free: 176 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1e-07/1.813, allocations: 0 / 1.702 GB, free: 176 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.007704/1.82, allocations: 1.842 MB / 1.703 GB, free: 174.2 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 0.02244/1.843, allocations: 10.53 MB / 1.714 GB, free: 163.5 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02541/1.868, allocations: 12.03 MB / 1.725 GB, free: 151.3 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.971e-05/1.868, allocations: 0 / 1.725 GB, free: 151.3 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009144/1.877, allocations: 4.267 MB / 1.73 GB, free: 147 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002428/1.88, allocations: 272.3 kB / 1.73 GB, free: 146.8 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 0.08184/1.962, allocations: 41.36 MB / 1.77 GB, free: 104.2 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002369/1.964, allocations: 2.836 MB / 1.773 GB, free: 101.4 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003753/1.968, allocations: 1.653 MB / 1.775 GB, free: 99.71 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001367/1.969, allocations: 1.21 MB / 1.776 GB, free: 98.5 MB / 1.295 GB
Notification: Performance of SimCode: time 8.42e-07/1.969, allocations: 3.938 kB / 1.776 GB, free: 98.5 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1482/2.117, allocations: 106.8 MB / 1.88 GB, free: 7.973 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.04/19.16, allocations: 11.94 kB / 1.88 GB, free: 7.961 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: 26.002722919999997]
Failed to read output from testmodel.py, exit status != 0:
19.322171413999968 19.352214329 18.905547592
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f6a823f2f20>