Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.001266/0.001266, allocations: 111 kB / 16.46 MB, free: 6.453 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001351/0.001351, allocations: 213.7 kB / 19.43 MB, free: 3.625 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.414/1.414, allocations: 230.6 MB / 252.8 MB, free: 8.965 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 3.199/3.199, allocations: 0.505 GB / 0.8066 GB, free: 23.07 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.001969/0.001969, allocations: 74.19 kB / 1.172 GB, free: 17.46 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.383/0.385, allocations: 180.2 MB / 1.348 GB, free: 9.895 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02541/0.4104, allocations: 18.54 MB / 1.366 GB, free: 7.289 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01252/0.4229, allocations: 6.901 MB / 1.373 GB, free: 380 kB / 1.061 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001503/0.4244, allocations: 67.75 kB / 1.373 GB, free: 312 kB / 1.061 GB
Notification: Performance of NFTyping.typeComponents: time 0.003912/0.4283, allocations: 1.488 MB / 1.374 GB, free: 14.81 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.003551/0.4319, allocations: 1.443 MB / 1.376 GB, free: 13.36 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003214/0.4351, allocations: 1.265 MB / 1.377 GB, free: 12.1 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.006728/0.4418, allocations: 5.453 MB / 1.382 GB, free: 6.633 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006873/0.4487, allocations: 5.144 MB / 1.387 GB, free: 1.375 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003911/0.4526, allocations: 2.4 MB / 1.39 GB, free: 14.97 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005137/0.4578, allocations: 3.151 MB / 1.393 GB, free: 11.81 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001172/0.4589, allocations: 0.5117 MB / 1.393 GB, free: 11.3 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002834/0.4618, allocations: 1.291 MB / 1.394 GB, free: 10 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002784/0.4646, allocations: 2.299 MB / 1.397 GB, free: 7.699 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.002865/0.4674, allocations: 2.167 MB / 1.399 GB, free: 5.523 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.009152/0.4766, allocations: 7.761 MB / 1.406 GB, free: 13.74 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/0.4766, allocations: 0 / 1.406 GB, free: 13.74 MB / 1.107 GB
Notification: Performance of FrontEnd: time 1.473e-06/0.4766, allocations: 0 / 1.406 GB, free: 13.74 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002049/0.4768, allocations: 4 kB / 1.406 GB, free: 13.73 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 0.009166/0.4859, allocations: 3.872 MB / 1.41 GB, free: 9.797 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 5.237e-05/0.486, allocations: 11.98 kB / 1.41 GB, free: 9.785 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009421/0.4869, allocations: 0.5461 MB / 1.411 GB, free: 9.23 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01349/0.5004, allocations: 2.421 MB / 1.413 GB, free: 6.805 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005491/0.5059, allocations: 2.187 MB / 1.415 GB, free: 4.57 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002624/0.5062, allocations: 267.2 kB / 1.415 GB, free: 4.309 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001109/0.5073, allocations: 344 kB / 1.416 GB, free: 3.973 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01655/0.5238, allocations: 7.13 MB / 1.423 GB, free: 12.74 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.993e-05/0.5239, allocations: 0 / 1.423 GB, free: 12.74 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004734/0.5244, allocations: 144 kB / 1.423 GB, free: 12.6 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005255/0.5249, allocations: 342 kB / 1.423 GB, free: 12.26 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01728/0.5422, allocations: 7.032 MB / 1.43 GB, free: 5.219 MB / 1.123 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04374/0.5859, allocations: 26.47 MB / 1.456 GB, free: 8.578 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01057/0.5965, allocations: 4.871 MB / 1.461 GB, free: 3.406 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006899/0.6034, allocations: 2.53 MB / 1.463 GB, free: 0.8555 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003908/0.6038, allocations: 135 kB / 1.463 GB, free: 0.7031 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.997e-05/0.6039, allocations: 64.5 kB / 1.463 GB, free: 0.6328 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 4.939e-06/0.6039, allocations: 0 / 1.463 GB, free: 0.6328 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.conv2.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.conv2.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 0.1157/0.7196, allocations: 31.06 MB / 1.494 GB, free: 1.504 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001677/0.7198, allocations: 239.6 kB / 1.494 GB, free: 1.219 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0026/0.7224, allocations: 1.428 MB / 1.495 GB, free: 15.78 MB / 1.201 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004604/0.7228, allocations: 69.7 kB / 1.495 GB, free: 15.7 MB / 1.201 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001232/0.7241, allocations: 1.542 MB / 1.497 GB, free: 14.14 MB / 1.201 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001385/0.7255, allocations: 0.9645 MB / 1.498 GB, free: 13.17 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001953/0.7274, allocations: 0.6359 MB / 1.498 GB, free: 12.53 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001352/0.7275, allocations: 301.1 kB / 1.499 GB, free: 12.23 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006722/0.7343, allocations: 2.694 MB / 1.501 GB, free: 9.527 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007535/0.7418, allocations: 3.571 MB / 1.505 GB, free: 5.582 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0141/0.7559, allocations: 6.402 MB / 1.511 GB, free: 14.78 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.007e-05/0.7559, allocations: 8 kB / 1.511 GB, free: 14.77 MB / 1.217 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv2.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.conv2.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 0.03098/0.7869, allocations: 10.92 MB / 1.522 GB, free: 3.75 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 4.173e-05/0.787, allocations: 16 kB / 1.522 GB, free: 3.734 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.657e-05/0.787, allocations: 24 kB / 1.522 GB, free: 3.711 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02115/0.8082, allocations: 5.56 MB / 1.527 GB, free: 14.14 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004569/0.8127, allocations: 0.9984 MB / 1.528 GB, free: 13.14 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05025/0.863, allocations: 28.19 MB / 1.556 GB, free: 500 kB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00491/0.8679, allocations: 0.5772 MB / 1.556 GB, free: 15.91 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008019/0.8687, allocations: 155.9 kB / 1.556 GB, free: 15.76 MB / 1.264 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009588/0.8783, allocations: 3.98 MB / 1.56 GB, free: 11.77 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008134/0.8864, allocations: 3.536 MB / 1.564 GB, free: 7.855 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09708/0.9835, allocations: 24.64 MB / 1.588 GB, free: 14.7 MB / 1.295 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.731e-05/0.9835, allocations: 11.98 kB / 1.588 GB, free: 14.69 MB / 1.295 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.03/1.014, allocations: 10.48 MB / 1.598 GB, free: 4.062 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.614e-05/1.014, allocations: 16 kB / 1.598 GB, free: 4.047 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.631e-05/1.014, allocations: 28 kB / 1.598 GB, free: 4.02 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.7564/1.77, allocations: 4.32 MB / 1.602 GB, free: 235.6 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005385/1.775, allocations: 1.041 MB / 1.603 GB, free: 235.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03902/1.814, allocations: 27.16 MB / 1.63 GB, free: 221.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004835/1.819, allocations: 0.5503 MB / 1.63 GB, free: 221.4 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005784/1.82, allocations: 154.5 kB / 1.631 GB, free: 221.4 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.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001005/1.821, allocations: 397.3 kB / 1.631 GB, free: 221.1 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000628/1.822, allocations: 204.8 kB / 1.631 GB, free: 221.1 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.0273/1.849, allocations: 10.08 MB / 1.641 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.148e-05/1.849, allocations: 27.09 kB / 1.641 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.576e-05/1.849, allocations: 12.75 kB / 1.641 GB, free: 218.3 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.955e-05/1.849, allocations: 17.8 kB / 1.641 GB, free: 218.3 MB / 1.295 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.03293/1.882, allocations: 16.21 MB / 1.657 GB, free: 212.6 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.712e-05/1.882, allocations: 7.781 kB / 1.657 GB, free: 212.6 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00326/1.885, allocations: 0.7427 MB / 1.658 GB, free: 212.4 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01746/1.903, allocations: 5.177 MB / 1.663 GB, free: 209.9 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005963/1.903, allocations: 78.97 kB / 1.663 GB, free: 209.8 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03299/1.936, allocations: 27.23 MB / 1.689 GB, free: 185.1 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.282e-06/1.936, allocations: 12.03 kB / 1.689 GB, free: 185.1 MB / 1.295 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02296/1.959, allocations: 10.06 MB / 1.699 GB, free: 174.8 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001827/1.961, allocations: 0.726 MB / 1.7 GB, free: 174.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004068/1.961, allocations: 62.11 kB / 1.7 GB, free: 174 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003381/1.965, allocations: 0.507 MB / 1.7 GB, free: 173.5 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007261/1.966, allocations: 230.3 kB / 1.701 GB, free: 173.3 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002021/1.966, allocations: 91.95 kB / 1.701 GB, free: 173.2 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.00121/1.967, allocations: 0.9762 MB / 1.702 GB, free: 172.2 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.2e-07/1.967, allocations: 0 / 1.702 GB, free: 172.2 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.00607/1.973, allocations: 1.844 MB / 1.703 GB, free: 170.4 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 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_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 0.023/1.996, allocations: 10.71 MB / 1.714 GB, free: 159.4 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02595/2.022, allocations: 12.03 MB / 1.726 GB, free: 147.3 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.327e-05/2.022, allocations: 0 / 1.726 GB, free: 147.3 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009182/2.031, allocations: 4.24 MB / 1.73 GB, free: 143 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002058/2.033, allocations: 264.4 kB / 1.73 GB, free: 142.8 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.conv2.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.conv2.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 0.08586/2.119, allocations: 42.1 MB / 1.771 GB, free: 99.39 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002679/2.122, allocations: 2.837 MB / 1.774 GB, free: 96.52 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003922/2.126, allocations: 1.658 MB / 1.776 GB, free: 94.88 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001562/2.127, allocations: 1.202 MB / 1.777 GB, free: 93.68 MB / 1.295 GB
Notification: Performance of SimCode: time 1.593e-06/2.127, allocations: 0 / 1.777 GB, free: 93.68 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1406/2.268, allocations: 103.4 MB / 1.878 GB, free: 6.688 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.2/18.47, allocations: 11.11 kB / 1.878 GB, free: 6.68 MB / 1.311 GB
"
[Timeout remaining time 281]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 25.25524547905661]
Failed to read output from testmodel.py, exit status != 0:
18.608783802948892 18.634132648 18.1531246
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f968f4f6ce0>