Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001388/0.001388, allocations: 99.64 kB / 18.94 MB, free: 2.551 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001636/0.001636, allocations: 211.3 kB / 22.24 MB, free: 4.859 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 1.466/1.466, allocations: 230.6 MB / 256 MB, free: 7.797 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 3.272/3.272, allocations: 0.5107 GB / 0.8158 GB, free: 17.86 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.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.002088/0.002088, allocations: 66.16 kB / 1.186 GB, free: 13.71 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3482/0.3503, allocations: 181.9 MB / 1.363 GB, free: 14.07 MB / 1.061 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02505/0.3753, allocations: 17.86 MB / 1.381 GB, free: 12.14 MB / 1.076 GB
Notification: Performance of NFInst.instExpressions: time 0.01411/0.3894, allocations: 6.715 MB / 1.387 GB, free: 5.414 MB / 1.076 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001881/0.3913, allocations: 63.75 kB / 1.388 GB, free: 5.352 MB / 1.076 GB
Notification: Performance of NFTyping.typeComponents: time 0.004263/0.3956, allocations: 1.48 MB / 1.389 GB, free: 3.867 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.003923/0.3995, allocations: 1.447 MB / 1.39 GB, free: 2.414 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00349/0.403, allocations: 1.261 MB / 1.392 GB, free: 1.152 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.007414/0.4104, allocations: 5.445 MB / 1.397 GB, free: 11.7 MB / 1.092 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0058/0.4162, allocations: 3.343 MB / 1.4 GB, free: 8.254 MB / 1.092 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004182/0.4204, allocations: 2.404 MB / 1.403 GB, free: 5.844 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005642/0.426, allocations: 2.999 MB / 1.405 GB, free: 2.836 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001569/0.4276, allocations: 0.5117 MB / 1.406 GB, free: 2.324 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003444/0.4311, allocations: 1.194 MB / 1.407 GB, free: 1.129 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.004049/0.4351, allocations: 2.292 MB / 1.409 GB, free: 14.83 MB / 1.107 GB
Notification: Performance of NFVerifyModel.verify: time 0.005257/0.4404, allocations: 1.775 MB / 1.411 GB, free: 13.05 MB / 1.107 GB
Notification: Performance of NFConvertDAE.convert: time 0.01559/0.4559, allocations: 7.788 MB / 1.419 GB, free: 5.238 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 6.823e-06/0.4559, allocations: 0 / 1.419 GB, free: 5.238 MB / 1.107 GB
Notification: Performance of FrontEnd: time 3.296e-06/0.456, allocations: 0 / 1.419 GB, free: 5.238 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002387/0.4562, allocations: 4 kB / 1.419 GB, free: 5.234 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 0.01138/0.4676, allocations: 3.777 MB / 1.422 GB, free: 1.41 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 4.885e-05/0.4676, allocations: 12.02 kB / 1.422 GB, free: 1.398 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001553/0.4692, allocations: 0.5461 MB / 1.423 GB, free: 0.8438 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01364/0.4828, allocations: 2.421 MB / 1.425 GB, free: 14.42 MB / 1.123 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006835/0.4896, allocations: 2.165 MB / 1.427 GB, free: 12.22 MB / 1.123 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003342/0.49, allocations: 271.2 kB / 1.428 GB, free: 11.95 MB / 1.123 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001763/0.4917, allocations: 340 kB / 1.428 GB, free: 11.62 MB / 1.123 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02489/0.5166, allocations: 7.213 MB / 1.435 GB, free: 4.281 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001525/0.5168, allocations: 4 kB / 1.435 GB, free: 4.277 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001315/0.5181, allocations: 148 kB / 1.435 GB, free: 4.133 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007557/0.5189, allocations: 334 kB / 1.436 GB, free: 3.805 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.026/0.5449, allocations: 7.02 MB / 1.442 GB, free: 12.78 MB / 1.139 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 0.0436/0.5885, allocations: 18.44 MB / 1.46 GB, free: 9.754 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009051/0.5975, allocations: 3.71 MB / 1.464 GB, free: 6.027 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006784/0.6043, allocations: 2.526 MB / 1.466 GB, free: 3.477 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003144/0.6046, allocations: 45.97 kB / 1.467 GB, free: 3.43 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.149e-05/0.6047, allocations: 68.45 kB / 1.467 GB, free: 3.355 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 5.44e-06/0.6047, allocations: 0 / 1.467 GB, free: 3.355 MB / 1.154 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1161/0.7208, allocations: 30.75 MB / 1.497 GB, free: 4.609 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001705/0.7209, allocations: 243.6 kB / 1.497 GB, free: 4.32 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002879/0.7238, allocations: 1.482 MB / 1.498 GB, free: 2.828 MB / 1.186 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005936/0.7244, allocations: 69.7 kB / 1.498 GB, free: 2.754 MB / 1.186 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001348/0.7258, allocations: 1.53 MB / 1.5 GB, free: 1.207 MB / 1.186 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001463/0.7272, allocations: 0.9683 MB / 1.501 GB, free: 236 kB / 1.186 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002051/0.7293, allocations: 0.6321 MB / 1.501 GB, free: 15.59 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001445/0.7294, allocations: 305.1 kB / 1.502 GB, free: 15.29 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007048/0.7365, allocations: 2.69 MB / 1.504 GB, free: 12.59 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008029/0.7445, allocations: 3.658 MB / 1.508 GB, free: 8.535 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01491/0.7594, allocations: 6.406 MB / 1.514 GB, free: 1.73 MB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.513e-05/0.7595, allocations: 8 kB / 1.514 GB, free: 1.723 MB / 1.201 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.0325/0.792, allocations: 10.8 MB / 1.525 GB, free: 6.852 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 7.695e-05/0.792, allocations: 20 kB / 1.525 GB, free: 6.832 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.172e-05/0.7921, allocations: 24 kB / 1.525 GB, free: 6.809 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02185/0.8139, allocations: 5.54 MB / 1.53 GB, free: 1.258 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004846/0.8188, allocations: 0.9906 MB / 1.531 GB, free: 272 kB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05305/0.8718, allocations: 27.48 MB / 1.558 GB, free: 4.418 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005004/0.8768, allocations: 0.5732 MB / 1.559 GB, free: 3.844 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007496/0.8776, allocations: 155.9 kB / 1.559 GB, free: 3.691 MB / 1.248 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009769/0.8874, allocations: 3.98 MB / 1.563 GB, free: 15.7 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008027/0.8954, allocations: 3.619 MB / 1.566 GB, free: 11.69 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09404/0.9894, allocations: 24.46 MB / 1.59 GB, free: 2.742 MB / 1.279 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.571e-05/0.9895, allocations: 8 kB / 1.59 GB, free: 2.734 MB / 1.279 GB
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv3.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02974/1.019, allocations: 10.19 MB / 1.6 GB, free: 8.461 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.003e-05/1.019, allocations: 21.23 kB / 1.6 GB, free: 8.441 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.856e-05/1.019, allocations: 24 kB / 1.6 GB, free: 8.418 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01644/1.036, allocations: 4.321 MB / 1.604 GB, free: 4.082 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005001/1.041, allocations: 1.034 MB / 1.605 GB, free: 3.047 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7131/1.754, allocations: 26.24 MB / 1.631 GB, free: 212.9 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004894/1.759, allocations: 0.5567 MB / 1.631 GB, free: 212.8 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004884/1.759, allocations: 154.5 kB / 1.632 GB, free: 212.8 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 0.0009028/1.76, allocations: 397.1 kB / 1.632 GB, free: 212.5 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006086/1.761, allocations: 205.4 kB / 1.632 GB, free: 212.5 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 0.02769/1.788, allocations: 9.931 MB / 1.642 GB, free: 209.9 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.216e-05/1.788, allocations: 27.5 kB / 1.642 GB, free: 209.9 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.239e-05/1.789, allocations: 15.97 kB / 1.642 GB, free: 209.9 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.466e-05/1.789, allocations: 12.16 kB / 1.642 GB, free: 209.9 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 0.0365/1.825, allocations: 15.35 MB / 1.657 GB, free: 204.8 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.686e-05/1.825, allocations: 11.95 kB / 1.657 GB, free: 204.8 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0033/1.828, allocations: 0.7364 MB / 1.658 GB, free: 204.7 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01731/1.846, allocations: 5.169 MB / 1.663 GB, free: 203.6 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006001/1.846, allocations: 82.52 kB / 1.663 GB, free: 203.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03374/1.88, allocations: 26.55 MB / 1.689 GB, free: 182.6 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.075e-06/1.88, allocations: 12 kB / 1.689 GB, free: 182.6 MB / 1.295 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02315/1.903, allocations: 9.868 MB / 1.698 GB, free: 172.5 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002268/1.905, allocations: 0.6591 MB / 1.699 GB, free: 171.9 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008363/1.906, allocations: 59.98 kB / 1.699 GB, free: 171.8 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003674/1.91, allocations: 0.507 MB / 1.7 GB, free: 171.3 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007602/1.911, allocations: 238.2 kB / 1.7 GB, free: 171.1 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003007/1.911, allocations: 91.89 kB / 1.7 GB, free: 171 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001341/1.912, allocations: 0.9782 MB / 1.701 GB, free: 170 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.3e-07/1.912, allocations: 0 / 1.701 GB, free: 170 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005837/1.918, allocations: 1.848 MB / 1.703 GB, free: 168.2 MB / 1.295 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02332/1.942, allocations: 10.52 MB / 1.713 GB, free: 157.4 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02623/1.968, allocations: 12.03 MB / 1.725 GB, free: 145.3 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 2.478e-05/1.968, allocations: 8 kB / 1.725 GB, free: 145.3 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009685/1.977, allocations: 4.262 MB / 1.729 GB, free: 141 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002476/1.98, allocations: 270.1 kB / 1.729 GB, free: 140.8 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09014/2.07, allocations: 41.35 MB / 1.769 GB, free: 98.21 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003311/2.073, allocations: 2.271 MB / 1.772 GB, free: 95.9 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004356/2.078, allocations: 1.669 MB / 1.773 GB, free: 94.24 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001818/2.08, allocations: 1.202 MB / 1.774 GB, free: 93.04 MB / 1.295 GB
Notification: Performance of SimCode: time 1.623e-06/2.08, allocations: 0 / 1.774 GB, free: 93.04 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1421/2.222, allocations: 103.3 MB / 1.875 GB, free: 6.242 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.13/18.35, allocations: 17.78 kB / 1.875 GB, free: 6.23 MB / 1.311 GB
"
[Timeout remaining time 281]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 25.126596404705197]
Failed to read output from testmodel.py, exit status != 0:
18.519886994734406 18.5443764 18.083393928
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fc268086fb0>