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 4.1.0+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 0.001745/0.001745, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.002272/0.002272, allocations: 210.5 kB / 22.24 MB, free: 5.262 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 1.471/1.471, allocations: 230.6 MB / 256 MB, free: 7.785 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.828/2.828, allocations: 476 MB / 0.7699 GB, free: 4.754 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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_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: 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 0.002099/0.002099, allocations: 63.62 kB / 1.117 GB, free: 41.09 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2914/0.2935, allocations: 170 MB / 1.283 GB, free: 12.34 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02605/0.3195, allocations: 17.94 MB / 1.3 GB, free: 10.34 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01227/0.3318, allocations: 6.746 MB / 1.307 GB, free: 3.582 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001298/0.3331, allocations: 63.75 kB / 1.307 GB, free: 3.52 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.004081/0.3372, allocations: 1.483 MB / 1.308 GB, free: 2.031 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.003691/0.3409, allocations: 1.463 MB / 1.31 GB, free: 0.5625 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003466/0.3444, allocations: 1.263 MB / 1.311 GB, free: 15.3 MB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.006462/0.3508, allocations: 5.484 MB / 1.316 GB, free: 9.805 MB / 1.014 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00582/0.3566, allocations: 3.359 MB / 1.32 GB, free: 6.352 MB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004037/0.3607, allocations: 2.423 MB / 1.322 GB, free: 3.922 MB / 1.014 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00501/0.3657, allocations: 3.011 MB / 1.325 GB, free: 0.9023 MB / 1.014 GB
Notification: Performance of NFPackage.collectConstants: time 0.001204/0.3669, allocations: 0.5156 MB / 1.325 GB, free: 396 kB / 1.014 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002813/0.3697, allocations: 1.201 MB / 1.327 GB, free: 15.18 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.003085/0.3728, allocations: 2.3 MB / 1.329 GB, free: 12.88 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.00294/0.3757, allocations: 1.794 MB / 1.331 GB, free: 11.08 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.00987/0.3856, allocations: 7.833 MB / 1.338 GB, free: 3.223 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 6.312e-06/0.3856, allocations: 0 / 1.338 GB, free: 3.223 MB / 1.029 GB
Notification: Performance of FrontEnd: time 2.044e-06/0.3856, allocations: 0 / 1.338 GB, free: 3.223 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 0.0002146/0.3858, allocations: 0 / 1.338 GB, free: 3.223 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 0.009366/0.3952, allocations: 3.847 MB / 1.342 GB, free: 15.33 MB / 1.045 GB
Notification: Performance of prepare preOptimizeDAE: time 4.351e-05/0.3952, allocations: 8.031 kB / 1.342 GB, free: 15.32 MB / 1.045 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009105/0.3961, allocations: 0.5387 MB / 1.342 GB, free: 14.77 MB / 1.045 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01297/0.4091, allocations: 2.444 MB / 1.345 GB, free: 12.32 MB / 1.045 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006377/0.4155, allocations: 2.166 MB / 1.347 GB, free: 10.12 MB / 1.045 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000268/0.4158, allocations: 275.2 kB / 1.347 GB, free: 9.855 MB / 1.045 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001126/0.4169, allocations: 344 kB / 1.348 GB, free: 9.52 MB / 1.045 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0164/0.4333, allocations: 7.242 MB / 1.355 GB, free: 2.156 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.196e-05/0.4334, allocations: 3.938 kB / 1.355 GB, free: 2.152 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00052/0.4339, allocations: 148 kB / 1.355 GB, free: 2.008 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000515/0.4344, allocations: 334.1 kB / 1.355 GB, free: 1.68 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01695/0.4514, allocations: 7.036 MB / 1.362 GB, free: 10.63 MB / 1.061 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 0.03621/0.4876, allocations: 18.51 MB / 1.38 GB, free: 7.543 MB / 1.076 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008255/0.4958, allocations: 3.722 MB / 1.384 GB, free: 3.797 MB / 1.076 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006289/0.5021, allocations: 2.522 MB / 1.386 GB, free: 1.25 MB / 1.076 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002251/0.5023, allocations: 49.91 kB / 1.386 GB, free: 1.199 MB / 1.076 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.982e-05/0.5024, allocations: 60.5 kB / 1.386 GB, free: 1.133 MB / 1.076 GB
Notification: Performance of pre-optimization done (n=208): time 4.789e-06/0.5024, allocations: 0 / 1.386 GB, free: 1.133 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 0.1174/0.6198, allocations: 30.8 MB / 1.416 GB, free: 2.348 MB / 1.107 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001706/0.62, allocations: 239.6 kB / 1.417 GB, free: 2.062 MB / 1.107 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002608/0.6226, allocations: 1.523 MB / 1.418 GB, free: 0.5312 MB / 1.107 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004905/0.6231, allocations: 69.7 kB / 1.418 GB, free: 468 kB / 1.107 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001227/0.6243, allocations: 1.554 MB / 1.42 GB, free: 14.89 MB / 1.123 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00123/0.6256, allocations: 0.9606 MB / 1.421 GB, free: 13.92 MB / 1.123 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001467/0.627, allocations: 0.6359 MB / 1.421 GB, free: 13.27 MB / 1.123 GB
Notification: Performance of setup shared object (initialization): time 0.0001326/0.6272, allocations: 313 kB / 1.422 GB, free: 12.96 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006408/0.6336, allocations: 2.682 MB / 1.424 GB, free: 10.27 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007495/0.6411, allocations: 3.654 MB / 1.428 GB, free: 6.223 MB / 1.123 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01396/0.655, allocations: 6.395 MB / 1.434 GB, free: 15.43 MB / 1.139 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.118e-05/0.6551, allocations: 8 kB / 1.434 GB, free: 15.42 MB / 1.139 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 0.03084/0.6859, allocations: 10.81 MB / 1.444 GB, free: 4.547 MB / 1.139 GB
Notification: Performance of prepare postOptimizeDAE: time 5.45e-05/0.6859, allocations: 16 kB / 1.445 GB, free: 4.531 MB / 1.139 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.976e-05/0.686, allocations: 24.19 kB / 1.445 GB, free: 4.508 MB / 1.139 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02113/0.7071, allocations: 5.532 MB / 1.45 GB, free: 14.96 MB / 1.154 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004743/0.7119, allocations: 0.9984 MB / 1.451 GB, free: 13.96 MB / 1.154 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04797/0.7599, allocations: 27.48 MB / 1.478 GB, free: 2.105 MB / 1.17 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004643/0.7645, allocations: 0.5694 MB / 1.478 GB, free: 1.535 MB / 1.17 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000417/0.7649, allocations: 152 kB / 1.478 GB, free: 1.387 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008507/0.7734, allocations: 3.988 MB / 1.482 GB, free: 13.39 MB / 1.186 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007356/0.7808, allocations: 3.604 MB / 1.486 GB, free: 9.383 MB / 1.186 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09192/0.8727, allocations: 24.46 MB / 1.51 GB, free: 460 kB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.129e-05/0.8727, allocations: 11.94 kB / 1.51 GB, free: 448 kB / 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 0.02736/0.9001, allocations: 10.16 MB / 1.52 GB, free: 6.195 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 3.73e-05/0.9001, allocations: 19.94 kB / 1.52 GB, free: 6.176 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.338e-05/0.9002, allocations: 32 kB / 1.52 GB, free: 6.145 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01566/0.9158, allocations: 4.322 MB / 1.524 GB, free: 1.805 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004828/0.9207, allocations: 1.037 MB / 1.525 GB, free: 0.7656 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0387/0.9594, allocations: 26.25 MB / 1.551 GB, free: 5.934 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004495/0.9639, allocations: 0.5577 MB / 1.551 GB, free: 5.375 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003768/0.9642, allocations: 151.9 kB / 1.551 GB, free: 5.227 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 0.0009163/0.9651, allocations: 404.9 kB / 1.552 GB, free: 4.824 MB / 1.248 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005743/0.9657, allocations: 214.7 kB / 1.552 GB, free: 4.613 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 0.02757/0.9933, allocations: 9.928 MB / 1.562 GB, free: 10.65 MB / 1.264 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.874e-05/0.9933, allocations: 32 kB / 1.562 GB, free: 10.62 MB / 1.264 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.439e-05/0.9934, allocations: 12 kB / 1.562 GB, free: 10.61 MB / 1.264 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.879e-05/0.9934, allocations: 15.95 kB / 1.562 GB, free: 10.59 MB / 1.264 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 0.03808/1.032, allocations: 15.36 MB / 1.577 GB, free: 11.05 MB / 1.279 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.35e-05/1.032, allocations: 8 kB / 1.577 GB, free: 11.05 MB / 1.279 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00348/1.035, allocations: 0.7294 MB / 1.577 GB, free: 10.32 MB / 1.279 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01905/1.054, allocations: 5.173 MB / 1.582 GB, free: 5.129 MB / 1.279 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004514/1.055, allocations: 71.95 kB / 1.582 GB, free: 5.059 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6339/1.688, allocations: 26.55 MB / 1.608 GB, free: 293.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.404e-05/1.688, allocations: 12.66 kB / 1.608 GB, free: 293.5 MB / 1.295 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02815/1.717, allocations: 9.874 MB / 1.618 GB, free: 292.4 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00203/1.719, allocations: 0.6564 MB / 1.619 GB, free: 292.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005017/1.719, allocations: 57.77 kB / 1.619 GB, free: 292.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003515/1.723, allocations: 0.5078 MB / 1.619 GB, free: 292.1 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007397/1.723, allocations: 239.1 kB / 1.619 GB, free: 292.1 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002314/1.724, allocations: 91 kB / 1.62 GB, free: 292 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.00141/1.725, allocations: 0.9991 MB / 1.621 GB, free: 291.7 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.2e-07/1.725, allocations: 3.75 kB / 1.621 GB, free: 291.7 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005868/1.731, allocations: 1.855 MB / 1.622 GB, free: 291.5 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 0.02248/1.753, allocations: 10.52 MB / 1.633 GB, free: 288 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02531/1.779, allocations: 12.03 MB / 1.644 GB, free: 283.5 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.39e-05/1.779, allocations: 0.7656 kB / 1.644 GB, free: 283.5 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009294/1.788, allocations: 4.271 MB / 1.649 GB, free: 280.1 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002058/1.79, allocations: 292.8 kB / 1.649 GB, free: 279.8 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.
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 0.08267/1.873, allocations: 42.11 MB / 1.69 GB, free: 236.7 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003181/1.876, allocations: 2.291 MB / 1.692 GB, free: 234.4 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004134/1.88, allocations: 1.663 MB / 1.694 GB, free: 232.7 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001528/1.882, allocations: 1.222 MB / 1.695 GB, free: 231.5 MB / 1.295 GB
Notification: Performance of SimCode: time 1.313e-06/1.882, allocations: 0 / 1.695 GB, free: 231.5 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1792/2.061, allocations: 104.3 MB / 1.797 GB, free: 127.8 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.11/18.17, allocations: 3.984 kB / 1.797 GB, free: 127.8 MB / 1.295 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: 24.838082735892385]
Failed to read output from testmodel.py, exit status != 0:
18.87181010702625 18.360262833 17.970615401
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f78cc3eefb0>