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 0.001321/0.001321, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.001607/0.001607, allocations: 213.9 kB / 22.25 MB, free: 4.855 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 1.492/1.492, allocations: 230.6 MB / 256 MB, free: 7.793 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 3.248/3.248, allocations: 0.4892 GB / 0.7943 GB, free: 35.36 MB / 0.6231 GB
"
[Timeout remaining time 176]
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 0.003181/0.003181, allocations: 70 kB / 1.153 GB, free: 25.58 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3395/0.3427, allocations: 176.1 MB / 1.325 GB, free: 2.164 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.0239/0.3666, allocations: 17.86 MB / 1.343 GB, free: 248 kB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01189/0.3785, allocations: 6.711 MB / 1.349 GB, free: 9.516 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001379/0.3798, allocations: 67.69 kB / 1.349 GB, free: 9.449 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.003902/0.3837, allocations: 1.482 MB / 1.351 GB, free: 7.965 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003259/0.387, allocations: 1.447 MB / 1.352 GB, free: 6.512 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002973/0.39, allocations: 1.267 MB / 1.353 GB, free: 5.242 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.006258/0.3962, allocations: 5.445 MB / 1.359 GB, free: 15.79 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005434/0.4017, allocations: 3.346 MB / 1.362 GB, free: 12.34 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003726/0.4054, allocations: 2.415 MB / 1.364 GB, free: 9.918 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004683/0.4101, allocations: 2.991 MB / 1.367 GB, free: 6.918 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001032/0.4111, allocations: 0.5117 MB / 1.368 GB, free: 6.406 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002447/0.4135, allocations: 1.19 MB / 1.369 GB, free: 5.215 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002474/0.416, allocations: 2.299 MB / 1.371 GB, free: 2.91 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.002704/0.4187, allocations: 1.775 MB / 1.373 GB, free: 1.129 MB / 1.061 GB
Notification: Performance of NFConvertDAE.convert: time 0.008791/0.4275, allocations: 7.777 MB / 1.38 GB, free: 9.324 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 5.009e-06/0.4275, allocations: 0 / 1.38 GB, free: 9.324 MB / 1.076 GB
Notification: Performance of FrontEnd: time 2.044e-06/0.4275, allocations: 0 / 1.38 GB, free: 9.324 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.000153/0.4277, allocations: 4 kB / 1.38 GB, free: 9.32 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 0.00842/0.4361, allocations: 3.797 MB / 1.384 GB, free: 5.477 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.096e-05/0.4361, allocations: 8.031 kB / 1.384 GB, free: 5.469 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008476/0.437, allocations: 0.5423 MB / 1.385 GB, free: 4.918 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01304/0.45, allocations: 2.421 MB / 1.387 GB, free: 2.492 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006037/0.4561, allocations: 2.165 MB / 1.389 GB, free: 300 kB / 1.076 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002385/0.4563, allocations: 263.2 kB / 1.389 GB, free: 36 kB / 1.076 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000942/0.4572, allocations: 344 kB / 1.39 GB, free: 15.7 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01557/0.4728, allocations: 7.209 MB / 1.397 GB, free: 8.371 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.24e-05/0.4729, allocations: 11.89 kB / 1.397 GB, free: 8.359 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004835/0.4734, allocations: 144 kB / 1.397 GB, free: 8.219 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005028/0.4739, allocations: 330 kB / 1.397 GB, free: 7.895 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01775/0.4916, allocations: 7.023 MB / 1.404 GB, free: 0.8516 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 0.03198/0.5236, allocations: 18.42 MB / 1.422 GB, free: 13.85 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008346/0.5319, allocations: 3.717 MB / 1.426 GB, free: 10.11 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006263/0.5382, allocations: 2.538 MB / 1.428 GB, free: 7.551 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002132/0.5384, allocations: 45.97 kB / 1.428 GB, free: 7.504 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.909e-05/0.5385, allocations: 60.5 kB / 1.428 GB, free: 7.438 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 4.669e-06/0.5385, allocations: 0 / 1.428 GB, free: 7.438 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 0.1089/0.6474, allocations: 30.75 MB / 1.458 GB, free: 8.711 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000165/0.6476, allocations: 243.5 kB / 1.459 GB, free: 8.422 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002339/0.6499, allocations: 1.482 MB / 1.46 GB, free: 6.93 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004844/0.6504, allocations: 73.7 kB / 1.46 GB, free: 6.852 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001167/0.6516, allocations: 1.534 MB / 1.462 GB, free: 5.301 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00123/0.6528, allocations: 0.9605 MB / 1.462 GB, free: 4.332 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001214/0.654, allocations: 0.636 MB / 1.463 GB, free: 3.688 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.000128/0.6541, allocations: 301.1 kB / 1.463 GB, free: 3.391 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006467/0.6606, allocations: 2.694 MB / 1.466 GB, free: 0.6875 MB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007358/0.668, allocations: 3.654 MB / 1.47 GB, free: 12.63 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01411/0.6821, allocations: 6.402 MB / 1.476 GB, free: 5.832 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.49e-05/0.6821, allocations: 4 kB / 1.476 GB, free: 5.828 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 0.03029/0.7124, allocations: 10.81 MB / 1.486 GB, free: 10.95 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 4.129e-05/0.7124, allocations: 16 kB / 1.486 GB, free: 10.93 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.292e-05/0.7125, allocations: 27.94 kB / 1.486 GB, free: 10.9 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02061/0.7331, allocations: 5.528 MB / 1.492 GB, free: 5.359 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0045/0.7376, allocations: 0.9945 MB / 1.493 GB, free: 4.363 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04644/0.784, allocations: 27.47 MB / 1.52 GB, free: 8.504 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004512/0.7885, allocations: 0.5732 MB / 1.52 GB, free: 7.93 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003765/0.7889, allocations: 151.9 kB / 1.52 GB, free: 7.781 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008366/0.7973, allocations: 3.984 MB / 1.524 GB, free: 3.789 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007109/0.8044, allocations: 3.619 MB / 1.528 GB, free: 15.78 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09184/0.8962, allocations: 24.48 MB / 1.552 GB, free: 6.82 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.229e-05/0.8963, allocations: 11.94 kB / 1.552 GB, free: 6.809 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 0.0279/0.9242, allocations: 10.17 MB / 1.562 GB, free: 12.57 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 3.377e-05/0.9242, allocations: 18.19 kB / 1.562 GB, free: 12.55 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.156e-05/0.9242, allocations: 24 kB / 1.562 GB, free: 12.53 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01585/0.9401, allocations: 4.321 MB / 1.566 GB, free: 8.188 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004864/0.945, allocations: 1.041 MB / 1.567 GB, free: 7.145 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03862/0.9836, allocations: 26.26 MB / 1.593 GB, free: 12.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004781/0.9884, allocations: 0.5537 MB / 1.593 GB, free: 11.74 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005201/0.9889, allocations: 155.9 kB / 1.593 GB, free: 11.59 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 0.001036/0.9899, allocations: 400.5 kB / 1.594 GB, free: 11.19 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006069/0.9905, allocations: 206.7 kB / 1.594 GB, free: 10.99 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 0.02757/1.018, allocations: 9.939 MB / 1.604 GB, free: 1.008 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.966e-05/1.018, allocations: 28 kB / 1.604 GB, free: 0.9805 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.139e-05/1.018, allocations: 12 kB / 1.604 GB, free: 0.9688 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.776e-05/1.018, allocations: 11.95 kB / 1.604 GB, free: 0.957 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 0.6319/1.65, allocations: 15.34 MB / 1.619 GB, free: 256.8 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.509e-05/1.65, allocations: 12.62 kB / 1.619 GB, free: 256.7 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00346/1.654, allocations: 0.7353 MB / 1.619 GB, free: 256.7 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01799/1.672, allocations: 5.174 MB / 1.624 GB, free: 256.1 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004554/1.672, allocations: 77.38 kB / 1.624 GB, free: 256.1 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03383/1.706, allocations: 26.54 MB / 1.65 GB, free: 242.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.082e-06/1.706, allocations: 11.69 kB / 1.65 GB, free: 242.5 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 0.02239/1.728, allocations: 9.869 MB / 1.66 GB, free: 237.9 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002124/1.73, allocations: 0.6617 MB / 1.661 GB, free: 237.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005123/1.731, allocations: 57.03 kB / 1.661 GB, free: 237.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003442/1.734, allocations: 0.5132 MB / 1.661 GB, free: 236.8 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006705/1.735, allocations: 230.3 kB / 1.661 GB, free: 236.6 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002076/1.735, allocations: 94.48 kB / 1.662 GB, free: 236.5 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001184/1.736, allocations: 0.9761 MB / 1.662 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.01e-07/1.736, allocations: 0 / 1.662 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005135/1.742, allocations: 1.844 MB / 1.664 GB, free: 233.6 MB / 1.295 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.0225/1.764, allocations: 10.52 MB / 1.675 GB, free: 222.9 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02451/1.789, allocations: 12.04 MB / 1.686 GB, free: 210.8 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.195e-05/1.789, allocations: 0 / 1.686 GB, free: 210.8 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009076/1.798, allocations: 4.26 MB / 1.69 GB, free: 206.5 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001926/1.8, allocations: 273.8 kB / 1.691 GB, free: 206.3 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 simCode: created linear, non-linear and system jacobian parts: time 0.08004/1.88, allocations: 41.35 MB / 1.731 GB, free: 163.7 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002517/1.882, allocations: 2.271 MB / 1.733 GB, free: 161.4 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004096/1.886, allocations: 1.658 MB / 1.735 GB, free: 159.8 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001584/1.888, allocations: 1.202 MB / 1.736 GB, free: 158.6 MB / 1.295 GB
Notification: Performance of SimCode: time 1.452e-06/1.888, allocations: 0 / 1.736 GB, free: 158.6 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1316/2.019, allocations: 103.3 MB / 1.837 GB, free: 55.82 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.95/17.97, allocations: 10.25 kB / 1.837 GB, free: 55.82 MB / 1.295 GB
"
[Timeout remaining time 282]
(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: 24.74238698091358]
Failed to read output from testmodel.py, exit status != 0:
18.168337716255337 18.188008345 17.756521063
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fbaf058afb0>