Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.00137/0.00137, allocations: 99.75 kB / 18.95 MB, free: 2.832 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 0.001603/0.001603, allocations: 216 kB / 22.24 MB, free: 5.105 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 1.444/1.444, allocations: 230.6 MB / 256 MB, free: 7.812 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 3.124/3.124, allocations: 0.49 GB / 0.7951 GB, free: 35.51 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.002056/0.002056, allocations: 62.41 kB / 1.154 GB, free: 25.27 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3502/0.3523, allocations: 176.1 MB / 1.326 GB, free: 1.32 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02439/0.3767, allocations: 17.93 MB / 1.343 GB, free: 15.32 MB / 1.045 GB
Notification: Performance of NFInst.instExpressions: time 0.01256/0.3893, allocations: 6.742 MB / 1.35 GB, free: 8.566 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001682/0.3909, allocations: 63.75 kB / 1.35 GB, free: 8.504 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.004134/0.3951, allocations: 1.483 MB / 1.352 GB, free: 7.016 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003857/0.3989, allocations: 1.455 MB / 1.353 GB, free: 5.555 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003719/0.4026, allocations: 1.265 MB / 1.354 GB, free: 4.289 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.007148/0.4098, allocations: 5.476 MB / 1.36 GB, free: 14.8 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005381/0.4152, allocations: 3.429 MB / 1.363 GB, free: 11.27 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003847/0.419, allocations: 2.419 MB / 1.365 GB, free: 8.844 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005352/0.4244, allocations: 3.159 MB / 1.368 GB, free: 5.676 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001328/0.4257, allocations: 0.5156 MB / 1.369 GB, free: 5.16 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002739/0.4284, allocations: 1.213 MB / 1.37 GB, free: 3.945 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002963/0.4314, allocations: 2.303 MB / 1.372 GB, free: 1.637 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.003263/0.4347, allocations: 1.79 MB / 1.374 GB, free: 15.84 MB / 1.076 GB
Notification: Performance of NFConvertDAE.convert: time 0.009249/0.4439, allocations: 7.839 MB / 1.382 GB, free: 7.977 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 5.29e-06/0.4439, allocations: 0 / 1.382 GB, free: 7.977 MB / 1.076 GB
Notification: Performance of FrontEnd: time 1.563e-06/0.4439, allocations: 0 / 1.382 GB, free: 7.977 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0001787/0.4441, allocations: 0 / 1.382 GB, free: 7.977 MB / 1.076 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01026/0.4544, allocations: 3.834 MB / 1.385 GB, free: 4.098 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 5.15e-05/0.4544, allocations: 12.03 kB / 1.385 GB, free: 4.086 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009363/0.4553, allocations: 0.5387 MB / 1.386 GB, free: 3.539 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0131/0.4684, allocations: 2.433 MB / 1.388 GB, free: 1.102 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006292/0.4747, allocations: 2.173 MB / 1.39 GB, free: 14.89 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002516/0.475, allocations: 271.2 kB / 1.391 GB, free: 14.63 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001158/0.4761, allocations: 352 kB / 1.391 GB, free: 14.29 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01551/0.4917, allocations: 7.23 MB / 1.398 GB, free: 6.938 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.2e-05/0.4917, allocations: 11.94 kB / 1.398 GB, free: 6.926 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004517/0.4922, allocations: 148 kB / 1.398 GB, free: 6.781 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005191/0.4927, allocations: 334.1 kB / 1.399 GB, free: 6.453 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01679/0.5095, allocations: 7.032 MB / 1.405 GB, free: 15.4 MB / 1.108 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 0.03047/0.54, allocations: 18.51 MB / 1.424 GB, free: 12.31 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007674/0.5477, allocations: 3.713 MB / 1.427 GB, free: 8.57 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005763/0.5534, allocations: 2.526 MB / 1.43 GB, free: 6.027 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002069/0.5536, allocations: 49.97 kB / 1.43 GB, free: 5.977 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.275e-05/0.5537, allocations: 64.5 kB / 1.43 GB, free: 5.906 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 4.488e-06/0.5537, allocations: 0 / 1.43 GB, free: 5.906 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 0.1024/0.6561, allocations: 30.8 MB / 1.46 GB, free: 7.117 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002596/0.6563, allocations: 239.6 kB / 1.46 GB, free: 6.832 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002384/0.6587, allocations: 1.527 MB / 1.462 GB, free: 5.297 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004993/0.6592, allocations: 69.7 kB / 1.462 GB, free: 5.223 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001333/0.6605, allocations: 1.554 MB / 1.463 GB, free: 3.652 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001492/0.662, allocations: 0.9605 MB / 1.464 GB, free: 2.684 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001229/0.6632, allocations: 0.6398 MB / 1.465 GB, free: 2.035 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.000139/0.6634, allocations: 305.1 kB / 1.465 GB, free: 1.734 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006436/0.6698, allocations: 2.686 MB / 1.468 GB, free: 15.04 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007733/0.6776, allocations: 3.647 MB / 1.471 GB, free: 11 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01403/0.6916, allocations: 6.399 MB / 1.477 GB, free: 4.199 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.893e-05/0.6916, allocations: 8 kB / 1.477 GB, free: 4.191 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 0.03005/0.7217, allocations: 10.8 MB / 1.488 GB, free: 9.324 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 4.753e-05/0.7217, allocations: 18.28 kB / 1.488 GB, free: 9.309 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.276e-05/0.7218, allocations: 32 kB / 1.488 GB, free: 9.277 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02024/0.742, allocations: 5.529 MB / 1.493 GB, free: 3.734 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004605/0.7466, allocations: 0.9984 MB / 1.494 GB, free: 2.734 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04639/0.793, allocations: 27.48 MB / 1.521 GB, free: 6.875 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004442/0.7974, allocations: 0.5772 MB / 1.522 GB, free: 6.297 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004384/0.7979, allocations: 151.9 kB / 1.522 GB, free: 6.148 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008248/0.8061, allocations: 3.984 MB / 1.526 GB, free: 2.156 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006858/0.813, allocations: 3.611 MB / 1.529 GB, free: 14.14 MB / 1.233 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08596/0.8989, allocations: 24.46 MB / 1.553 GB, free: 5.207 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.985e-05/0.899, allocations: 8 kB / 1.553 GB, free: 5.199 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 0.02733/0.9263, allocations: 10.17 MB / 1.563 GB, free: 10.95 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 4.974e-05/0.9264, allocations: 19.94 kB / 1.563 GB, free: 10.93 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.403e-05/0.9264, allocations: 24 kB / 1.563 GB, free: 10.91 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01511/0.9415, allocations: 4.317 MB / 1.567 GB, free: 6.574 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00487/0.9464, allocations: 1.041 MB / 1.568 GB, free: 5.531 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0383/0.9847, allocations: 26.26 MB / 1.594 GB, free: 10.68 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004996/0.9897, allocations: 0.5576 MB / 1.595 GB, free: 10.12 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005517/0.9902, allocations: 148 kB / 1.595 GB, free: 9.98 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 0.001087/0.9913, allocations: 409.5 kB / 1.595 GB, free: 9.574 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006467/0.992, allocations: 210.7 kB / 1.595 GB, free: 9.367 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 0.657/1.649, allocations: 9.919 MB / 1.605 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.817e-05/1.649, allocations: 30.52 kB / 1.605 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.088e-05/1.649, allocations: 12.28 kB / 1.605 GB, free: 256.6 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.376e-05/1.649, allocations: 14.45 kB / 1.605 GB, free: 256.6 MB / 1.295 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03988/1.689, allocations: 15.36 MB / 1.62 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.497e-05/1.689, allocations: 7.5 kB / 1.62 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00353/1.693, allocations: 0.7413 MB / 1.621 GB, free: 254.4 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0175/1.71, allocations: 5.163 MB / 1.626 GB, free: 253.8 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004978/1.711, allocations: 73.81 kB / 1.626 GB, free: 253.8 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03279/1.743, allocations: 26.55 MB / 1.652 GB, free: 240.2 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.767e-06/1.743, allocations: 16.53 kB / 1.652 GB, free: 240.2 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 0.02213/1.765, allocations: 9.868 MB / 1.662 GB, free: 235.4 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002102/1.768, allocations: 0.6561 MB / 1.662 GB, free: 235.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004318/1.768, allocations: 58.12 kB / 1.662 GB, free: 235.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003327/1.771, allocations: 0.5058 MB / 1.663 GB, free: 234.7 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007802/1.772, allocations: 238.2 kB / 1.663 GB, free: 234.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002188/1.772, allocations: 95.95 kB / 1.663 GB, free: 234.4 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001294/1.774, allocations: 1.002 MB / 1.664 GB, free: 233.4 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1e-07/1.774, allocations: 0 / 1.664 GB, free: 233.4 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005335/1.779, allocations: 1.853 MB / 1.666 GB, free: 231.5 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 0.02164/1.801, allocations: 10.54 MB / 1.676 GB, free: 220.8 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02461/1.825, allocations: 12.04 MB / 1.688 GB, free: 208.7 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.424e-05/1.825, allocations: 0 / 1.688 GB, free: 208.7 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.008964/1.834, allocations: 4.266 MB / 1.692 GB, free: 204.4 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002046/1.836, allocations: 290.5 kB / 1.692 GB, free: 204.1 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 : 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 0.08217/1.918, allocations: 42.11 MB / 1.733 GB, free: 160.8 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002338/1.921, allocations: 2.285 MB / 1.736 GB, free: 158.5 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003773/1.925, allocations: 1.655 MB / 1.737 GB, free: 156.8 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001384/1.926, allocations: 1.218 MB / 1.738 GB, free: 155.6 MB / 1.295 GB
Notification: Performance of SimCode: time 1.413e-06/1.926, allocations: 4.875 kB / 1.738 GB, free: 155.6 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.145/2.071, allocations: 105.7 MB / 1.842 GB, free: 50.43 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.1/18.17, allocations: 8.047 kB / 1.842 GB, free: 50.42 MB / 1.295 GB
"
[Timeout remaining time 282]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 24.88225165300537]
Failed to read output from testmodel.py, exit status != 0:
18.33820638700854 18.359270663 17.911086379
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f3cdf986f20>