Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001669/0.001669, allocations: 111.3 kB / 17.6 MB, free: 4.699 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001793/0.001793, allocations: 186.7 kB / 20.78 MB, free: 1.539 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.437/1.437, allocations: 225.6 MB / 249.4 MB, free: 3.309 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.768/2.768, allocations: 476.7 MB / 0.7629 GB, free: 15.12 MB / 0.6075 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.002001/0.002001, allocations: 71.88 kB / 1.107 GB, free: 4.98 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8963/0.8983, allocations: 168.7 MB / 1.272 GB, free: 7.68 MB / 0.9981 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02202/0.9203, allocations: 19.28 MB / 1.29 GB, free: 11.18 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.01286/0.9332, allocations: 7.039 MB / 1.297 GB, free: 6.465 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002004/0.9352, allocations: 56.53 kB / 1.297 GB, free: 6.457 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.004366/0.9395, allocations: 1.523 MB / 1.299 GB, free: 5.594 MB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 0.004268/0.9438, allocations: 1.457 MB / 1.3 GB, free: 4.773 MB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00375/0.9476, allocations: 1.296 MB / 1.302 GB, free: 4.07 MB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.007855/0.9554, allocations: 5.465 MB / 1.307 GB, free: 1.766 MB / 1.014 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006123/0.9615, allocations: 3.322 MB / 1.31 GB, free: 52 kB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004811/0.9663, allocations: 2.378 MB / 1.312 GB, free: 14.98 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006287/0.9726, allocations: 3.165 MB / 1.316 GB, free: 13.73 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 0.002007/0.9746, allocations: 0.5144 MB / 1.316 GB, free: 13.73 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004326/0.979, allocations: 1.289 MB / 1.317 GB, free: 13.46 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.004302/0.9833, allocations: 2.309 MB / 1.32 GB, free: 12.54 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.005605/0.9889, allocations: 2.188 MB / 1.322 GB, free: 11.12 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.01347/1.002, allocations: 7.801 MB / 1.329 GB, free: 8.695 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 6.512e-06/1.002, allocations: 0 / 1.329 GB, free: 8.695 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.223e-06/1.002, allocations: 4 kB / 1.329 GB, free: 8.691 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 0.0002724/1.003, allocations: 0 / 1.329 GB, free: 8.691 MB / 1.029 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.0132/1.016, allocations: 3.913 MB / 1.333 GB, free: 6.164 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 4.833e-05/1.016, allocations: 9.438 kB / 1.333 GB, free: 6.164 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001488/1.017, allocations: 0.5456 MB / 1.334 GB, free: 5.777 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01416/1.032, allocations: 2.433 MB / 1.336 GB, free: 4.605 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006201/1.038, allocations: 2.19 MB / 1.338 GB, free: 3.234 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003159/1.038, allocations: 276 kB / 1.338 GB, free: 3.105 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001984/1.04, allocations: 354.9 kB / 1.339 GB, free: 2.984 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01989/1.06, allocations: 7.161 MB / 1.346 GB, free: 14.9 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.961e-05/1.06, allocations: 2.625 kB / 1.346 GB, free: 14.9 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007437/1.061, allocations: 151.2 kB / 1.346 GB, free: 14.78 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005207/1.061, allocations: 346.3 kB / 1.346 GB, free: 14.68 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01978/1.081, allocations: 7.04 MB / 1.353 GB, free: 11.13 MB / 1.045 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 0.04261/1.124, allocations: 26.58 MB / 1.379 GB, free: 4.117 MB / 1.061 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009255/1.133, allocations: 4.873 MB / 1.384 GB, free: 15.34 MB / 1.076 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006359/1.139, allocations: 2.534 MB / 1.386 GB, free: 12.78 MB / 1.076 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003538/1.14, allocations: 131 kB / 1.386 GB, free: 12.63 MB / 1.076 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.453e-05/1.14, allocations: 64.5 kB / 1.387 GB, free: 12.56 MB / 1.076 GB
Notification: Performance of pre-optimization done (n=208): time 4.759e-06/1.14, allocations: 4 kB / 1.387 GB, free: 12.56 MB / 1.076 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 0.109/1.249, allocations: 31.1 MB / 1.417 GB, free: 13.4 MB / 1.107 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001532/1.249, allocations: 235.6 kB / 1.417 GB, free: 13.12 MB / 1.107 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002592/1.251, allocations: 1.477 MB / 1.419 GB, free: 11.63 MB / 1.107 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006658/1.252, allocations: 65.7 kB / 1.419 GB, free: 11.56 MB / 1.107 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001199/1.253, allocations: 1.554 MB / 1.42 GB, free: 9.992 MB / 1.107 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001408/1.255, allocations: 0.9605 MB / 1.421 GB, free: 9.023 MB / 1.107 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001411/1.256, allocations: 0.636 MB / 1.422 GB, free: 8.379 MB / 1.107 GB
Notification: Performance of setup shared object (initialization): time 0.0001259/1.256, allocations: 305.1 kB / 1.422 GB, free: 8.078 MB / 1.107 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006809/1.263, allocations: 2.701 MB / 1.425 GB, free: 5.367 MB / 1.107 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008238/1.271, allocations: 3.567 MB / 1.428 GB, free: 1.422 MB / 1.107 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01498/1.286, allocations: 6.395 MB / 1.434 GB, free: 10.63 MB / 1.123 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.277e-05/1.286, allocations: 12 kB / 1.434 GB, free: 10.62 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=410) (initialization): time 0.03128/1.318, allocations: 10.95 MB / 1.445 GB, free: 15.57 MB / 1.139 GB
Notification: Performance of prepare postOptimizeDAE: time 4.847e-05/1.318, allocations: 16.56 kB / 1.445 GB, free: 15.55 MB / 1.139 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.355e-05/1.318, allocations: 28 kB / 1.445 GB, free: 15.52 MB / 1.139 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02058/1.338, allocations: 5.544 MB / 1.451 GB, free: 9.961 MB / 1.139 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004741/1.343, allocations: 0.9945 MB / 1.451 GB, free: 8.965 MB / 1.139 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0469/1.39, allocations: 28.23 MB / 1.479 GB, free: 12.29 MB / 1.17 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004958/1.395, allocations: 0.5732 MB / 1.48 GB, free: 11.71 MB / 1.17 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006294/1.395, allocations: 151.9 kB / 1.48 GB, free: 11.56 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009189/1.405, allocations: 3.986 MB / 1.484 GB, free: 7.57 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007434/1.412, allocations: 3.536 MB / 1.487 GB, free: 3.656 MB / 1.17 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09129/1.503, allocations: 24.61 MB / 1.511 GB, free: 10.53 MB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.794e-05/1.503, allocations: 8 kB / 1.511 GB, free: 10.52 MB / 1.201 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 0.0281/1.532, allocations: 10.48 MB / 1.521 GB, free: 15.89 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 3.401e-05/1.532, allocations: 19.94 kB / 1.521 GB, free: 15.88 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.077e-05/1.532, allocations: 28.06 kB / 1.521 GB, free: 15.85 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01584/1.547, allocations: 4.322 MB / 1.526 GB, free: 11.51 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004943/1.552, allocations: 1.041 MB / 1.527 GB, free: 10.46 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03885/1.591, allocations: 27.14 MB / 1.553 GB, free: 14.6 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005092/1.596, allocations: 0.5499 MB / 1.554 GB, free: 14.05 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006157/1.597, allocations: 151.9 kB / 1.554 GB, free: 13.9 MB / 1.248 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 0.0011/1.598, allocations: 403.2 kB / 1.554 GB, free: 13.5 MB / 1.248 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006693/1.599, allocations: 210.7 kB / 1.554 GB, free: 13.29 MB / 1.248 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 0.02878/1.627, allocations: 10.1 MB / 1.564 GB, free: 3.125 MB / 1.248 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.017e-05/1.628, allocations: 28 kB / 1.564 GB, free: 3.098 MB / 1.248 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.428e-05/1.628, allocations: 15.94 kB / 1.564 GB, free: 3.082 MB / 1.248 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.436e-05/1.628, allocations: 15.94 kB / 1.564 GB, free: 3.066 MB / 1.248 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 0.03851/1.666, allocations: 16.18 MB / 1.58 GB, free: 2.633 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.411e-05/1.666, allocations: 8.188 kB / 1.58 GB, free: 2.625 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003765/1.67, allocations: 0.7294 MB / 1.581 GB, free: 1.895 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01901/1.689, allocations: 5.181 MB / 1.586 GB, free: 12.7 MB / 1.279 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006703/1.69, allocations: 71.95 kB / 1.586 GB, free: 12.63 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04355/1.733, allocations: 27.27 MB / 1.613 GB, free: 0.8594 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.319e-05/1.733, allocations: 20.02 kB / 1.613 GB, free: 0.8398 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 0.02688/1.76, allocations: 10.02 MB / 1.622 GB, free: 6.57 MB / 1.311 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002098/1.762, allocations: 0.7376 MB / 1.623 GB, free: 5.812 MB / 1.311 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000695/1.763, allocations: 59.98 kB / 1.623 GB, free: 5.754 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003938/1.767, allocations: 0.4992 MB / 1.624 GB, free: 5.254 MB / 1.311 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008845/1.768, allocations: 226.4 kB / 1.624 GB, free: 5.031 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002787/1.768, allocations: 91.95 kB / 1.624 GB, free: 4.941 MB / 1.311 GB
Notification: Performance of sorting global known variables: time 0.001768/1.77, allocations: 1.009 MB / 1.625 GB, free: 3.93 MB / 1.311 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.77, allocations: 0 / 1.625 GB, free: 3.93 MB / 1.311 GB
Notification: Performance of remove unused functions: time 0.007489/1.777, allocations: 1.855 MB / 1.627 GB, free: 2.074 MB / 1.311 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 0.02705/1.804, allocations: 10.69 MB / 1.637 GB, free: 7.129 MB / 1.326 GB
Notification: Performance of simCode: created initialization part: time 0.03253/1.837, allocations: 12.01 MB / 1.649 GB, free: 11 MB / 1.342 GB
Notification: Performance of simCode: created event and clocks part: time 1.253e-05/1.837, allocations: 0 / 1.649 GB, free: 11 MB / 1.342 GB
Notification: Performance of simCode: created simulation system equations: time 0.01174/1.849, allocations: 4.273 MB / 1.653 GB, free: 6.688 MB / 1.342 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00276/1.851, allocations: 288 kB / 1.653 GB, free: 6.414 MB / 1.342 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1047/1.956, allocations: 42.44 MB / 1.695 GB, free: 10.66 MB / 1.389 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003977/1.96, allocations: 2.846 MB / 1.698 GB, free: 7.781 MB / 1.389 GB
Notification: Performance of simCode: alias equations: time 0.004691/1.965, allocations: 1.653 MB / 1.699 GB, free: 6.125 MB / 1.389 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002356/1.967, allocations: 1.222 MB / 1.7 GB, free: 4.902 MB / 1.389 GB
Notification: Performance of SimCode: time 1.583e-06/1.967, allocations: 3.938 kB / 1.7 GB, free: 4.898 MB / 1.389 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1859/2.153, allocations: 105.4 MB / 1.803 GB, free: 11.84 MB / 1.498 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.88/19.03, allocations: 0 / 1.803 GB, free: 11.84 MB / 1.498 GB
"
[Timeout remaining time 281]
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 24.99530625200714]
Failed to read output from testmodel.py, exit status != 0:
19.17115452402504 19.201588293 18.193343736
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f63ef13ca90>