Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_10_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_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004956/0.004956, allocations: 97.62 kB / 15.73 MB, free: 6.047 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001378/0.001378, allocations: 202.6 kB / 16.68 MB, free: 5.969 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.404/1.404, allocations: 222.9 MB / 240.4 MB, free: 4.34 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.621/2.621, allocations: 437.1 MB / 0.7105 GB, free: 5.043 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001896/0.001896, allocations: 55.91 kB / 1.018 GB, free: 14.97 MB / 0.7794 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.288/0.2899, allocations: 151.6 MB / 1.166 GB, free: 7.227 MB / 0.92 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02374/0.3137, allocations: 18.28 MB / 1.184 GB, free: 4.875 MB / 0.9356 GB
Notification: Performance of NFInst.instExpressions: time 0.01191/0.3257, allocations: 6.82 MB / 1.191 GB, free: 14.04 MB / 0.9512 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001412/0.3271, allocations: 55.88 kB / 1.191 GB, free: 13.98 MB / 0.9512 GB
Notification: Performance of NFTyping.typeComponents: time 0.003984/0.3311, allocations: 1.462 MB / 1.192 GB, free: 12.52 MB / 0.9512 GB
Notification: Performance of NFTyping.typeBindings: time 0.003835/0.335, allocations: 1.428 MB / 1.194 GB, free: 11.08 MB / 0.9512 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003534/0.3385, allocations: 1.275 MB / 1.195 GB, free: 9.805 MB / 0.9512 GB
Notification: Performance of NFFlatten.flatten: time 0.007105/0.3457, allocations: 5.461 MB / 1.2 GB, free: 4.332 MB / 0.9512 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009617/0.3553, allocations: 7.128 MB / 1.207 GB, free: 13.09 MB / 0.9669 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004103/0.3595, allocations: 2.361 MB / 1.209 GB, free: 10.73 MB / 0.9669 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005089/0.3646, allocations: 2.976 MB / 1.212 GB, free: 7.742 MB / 0.9669 GB
Notification: Performance of NFPackage.collectConstants: time 0.00131/0.3659, allocations: 0.5156 MB / 1.213 GB, free: 7.227 MB / 0.9669 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002958/0.3689, allocations: 1.272 MB / 1.214 GB, free: 5.953 MB / 0.9669 GB
Notification: Performance of NFScalarize.scalarize: time 0.002836/0.3718, allocations: 2.246 MB / 1.216 GB, free: 3.703 MB / 0.9669 GB
Notification: Performance of NFVerifyModel.verify: time 0.003072/0.3748, allocations: 2.194 MB / 1.218 GB, free: 1.5 MB / 0.9669 GB
Notification: Performance of NFConvertDAE.convert: time 0.009555/0.3844, allocations: 7.784 MB / 1.226 GB, free: 9.691 MB / 0.9825 GB
Notification: Performance of FrontEnd - DAE generated: time 7.043e-06/0.3845, allocations: 0 / 1.226 GB, free: 9.691 MB / 0.9825 GB
Notification: Performance of FrontEnd: time 5.05e-06/0.3845, allocations: 4 kB / 1.226 GB, free: 9.688 MB / 0.9825 GB
Notification: Performance of Transformations before backend: time 0.0002226/0.3847, allocations: 3.938 kB / 1.226 GB, free: 9.684 MB / 0.9825 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 0.009148/0.3939, allocations: 3.919 MB / 1.23 GB, free: 5.699 MB / 0.9825 GB
Notification: Performance of prepare preOptimizeDAE: time 4.243e-05/0.3939, allocations: 8.031 kB / 1.23 GB, free: 5.691 MB / 0.9825 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009518/0.3949, allocations: 0.5504 MB / 1.23 GB, free: 5.133 MB / 0.9825 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01386/0.4087, allocations: 2.421 MB / 1.233 GB, free: 2.707 MB / 0.9825 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005386/0.4142, allocations: 2.206 MB / 1.235 GB, free: 464 kB / 0.9825 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002955/0.4145, allocations: 267.3 kB / 1.235 GB, free: 196 kB / 0.9825 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001423/0.4159, allocations: 348 kB / 1.236 GB, free: 15.85 MB / 0.9981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01667/0.4326, allocations: 7.151 MB / 1.243 GB, free: 8.598 MB / 0.9981 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.405e-05/0.4327, allocations: 11.89 kB / 1.243 GB, free: 8.586 MB / 0.9981 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005411/0.4333, allocations: 151.9 kB / 1.243 GB, free: 8.438 MB / 0.9981 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005212/0.4338, allocations: 330.1 kB / 1.243 GB, free: 8.113 MB / 0.9981 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01788/0.4517, allocations: 7.055 MB / 1.25 GB, free: 1.047 MB / 0.9981 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 0.571/1.023, allocations: 26.59 MB / 1.276 GB, free: 56.07 MB / 0.9981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007832/1.031, allocations: 4.989 MB / 1.281 GB, free: 53.34 MB / 0.9981 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006318/1.037, allocations: 2.607 MB / 1.283 GB, free: 52.58 MB / 0.9981 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002701/1.037, allocations: 137.2 kB / 1.283 GB, free: 52.48 MB / 0.9981 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.614e-05/1.037, allocations: 61.5 kB / 1.283 GB, free: 52.42 MB / 0.9981 GB
Notification: Performance of pre-optimization done (n=208): time 6.201e-06/1.037, allocations: 0 / 1.283 GB, free: 52.42 MB / 0.9981 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 0.09985/1.137, allocations: 31.19 MB / 1.314 GB, free: 41.4 MB / 0.9981 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.76e-05/1.137, allocations: 239.8 kB / 1.314 GB, free: 41.14 MB / 0.9981 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002296/1.14, allocations: 1.475 MB / 1.316 GB, free: 40.37 MB / 0.9981 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004422/1.14, allocations: 67.95 kB / 1.316 GB, free: 40.31 MB / 0.9981 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006656/1.141, allocations: 1.551 MB / 1.317 GB, free: 39.13 MB / 0.9981 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007182/1.141, allocations: 0.9659 MB / 1.318 GB, free: 38.29 MB / 0.9981 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001038/1.143, allocations: 0.6317 MB / 1.319 GB, free: 37.95 MB / 0.9981 GB
Notification: Performance of setup shared object (initialization): time 3.392e-05/1.143, allocations: 309.1 kB / 1.319 GB, free: 37.64 MB / 0.9981 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005369/1.148, allocations: 2.688 MB / 1.322 GB, free: 36.24 MB / 0.9981 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005504/1.153, allocations: 3.574 MB / 1.325 GB, free: 33.72 MB / 0.9981 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01075/1.164, allocations: 6.398 MB / 1.331 GB, free: 29.68 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.503e-05/1.164, allocations: 7.719 kB / 1.331 GB, free: 29.68 MB / 0.9981 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 0.02452/1.189, allocations: 11.05 MB / 1.342 GB, free: 19.2 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 3.311e-05/1.189, allocations: 16 kB / 1.342 GB, free: 19.18 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.455e-05/1.189, allocations: 28 kB / 1.342 GB, free: 19.16 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01779/1.207, allocations: 5.537 MB / 1.348 GB, free: 13.61 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003996/1.211, allocations: 0.9984 MB / 1.349 GB, free: 12.61 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04131/1.252, allocations: 28.2 MB / 1.376 GB, free: 15.96 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00474/1.257, allocations: 0.5771 MB / 1.377 GB, free: 15.39 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003722/1.257, allocations: 151.9 kB / 1.377 GB, free: 15.24 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008694/1.266, allocations: 3.984 MB / 1.381 GB, free: 11.25 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006817/1.273, allocations: 3.532 MB / 1.384 GB, free: 7.336 MB / 1.029 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09073/1.363, allocations: 24.62 MB / 1.408 GB, free: 14.21 MB / 1.061 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.085e-05/1.364, allocations: 4 kB / 1.408 GB, free: 14.2 MB / 1.061 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 0.02724/1.391, allocations: 10.54 MB / 1.419 GB, free: 3.516 MB / 1.061 GB
Notification: Performance of prepare postOptimizeDAE: time 3.306e-05/1.391, allocations: 16 kB / 1.419 GB, free: 3.5 MB / 1.061 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.277e-05/1.391, allocations: 28 kB / 1.419 GB, free: 3.473 MB / 1.061 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01627/1.407, allocations: 4.322 MB / 1.423 GB, free: 15.14 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005135/1.412, allocations: 1.037 MB / 1.424 GB, free: 14.1 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05331/1.466, allocations: 27.13 MB / 1.45 GB, free: 2.25 MB / 1.092 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006479/1.472, allocations: 0.5538 MB / 1.451 GB, free: 1.695 MB / 1.092 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000784/1.473, allocations: 155.9 kB / 1.451 GB, free: 1.543 MB / 1.092 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 0.001423/1.474, allocations: 399.3 kB / 1.451 GB, free: 1.145 MB / 1.092 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008001/1.475, allocations: 214.5 kB / 1.452 GB, free: 0.9375 MB / 1.092 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 0.0277/1.503, allocations: 10.18 MB / 1.462 GB, free: 6.695 MB / 1.107 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.306e-05/1.503, allocations: 24 kB / 1.462 GB, free: 6.672 MB / 1.107 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.285e-05/1.503, allocations: 16 kB / 1.462 GB, free: 6.656 MB / 1.107 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.742e-05/1.503, allocations: 15.94 kB / 1.462 GB, free: 6.641 MB / 1.107 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 0.03755/1.541, allocations: 16.27 MB / 1.477 GB, free: 6.172 MB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.596e-05/1.541, allocations: 8 kB / 1.478 GB, free: 6.164 MB / 1.123 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003544/1.544, allocations: 0.7372 MB / 1.478 GB, free: 5.426 MB / 1.123 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01927/1.564, allocations: 5.169 MB / 1.483 GB, free: 248 kB / 1.123 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004559/1.564, allocations: 75.95 kB / 1.483 GB, free: 172 kB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04373/1.608, allocations: 27.27 MB / 1.51 GB, free: 4.41 MB / 1.154 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.227e-05/1.608, allocations: 12.03 kB / 1.51 GB, free: 4.398 MB / 1.154 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 0.02663/1.634, allocations: 10.11 MB / 1.52 GB, free: 10.04 MB / 1.17 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001678/1.636, allocations: 0.7298 MB / 1.521 GB, free: 9.289 MB / 1.17 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004123/1.637, allocations: 60 kB / 1.521 GB, free: 9.23 MB / 1.17 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003514/1.64, allocations: 0.507 MB / 1.521 GB, free: 8.723 MB / 1.17 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007648/1.641, allocations: 228.8 kB / 1.521 GB, free: 8.504 MB / 1.17 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002433/1.641, allocations: 91.95 kB / 1.521 GB, free: 8.414 MB / 1.17 GB
Notification: Performance of sorting global known variables: time 0.001611/1.643, allocations: 1.001 MB / 1.522 GB, free: 7.41 MB / 1.17 GB
Notification: Performance of sort global known variables: time 2.41e-07/1.643, allocations: 0 / 1.522 GB, free: 7.41 MB / 1.17 GB
Notification: Performance of remove unused functions: time 0.005981/1.649, allocations: 1.859 MB / 1.524 GB, free: 5.551 MB / 1.17 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 0.02723/1.676, allocations: 10.77 MB / 1.535 GB, free: 10.52 MB / 1.186 GB
Notification: Performance of simCode: created initialization part: time 0.03057/1.707, allocations: 12.48 MB / 1.547 GB, free: 13.93 MB / 1.201 GB
Notification: Performance of simCode: created event and clocks part: time 1.274e-05/1.707, allocations: 5.875 kB / 1.547 GB, free: 13.92 MB / 1.201 GB
Notification: Performance of simCode: created simulation system equations: time 0.01118/1.718, allocations: 4.421 MB / 1.551 GB, free: 9.465 MB / 1.201 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002196/1.72, allocations: 299.6 kB / 1.552 GB, free: 9.184 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.
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 0.1018/1.822, allocations: 42.5 MB / 1.593 GB, free: 13.39 MB / 1.248 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003476/1.825, allocations: 2.861 MB / 1.596 GB, free: 10.49 MB / 1.248 GB
Notification: Performance of simCode: alias equations: time 0.004618/1.83, allocations: 1.653 MB / 1.597 GB, free: 8.836 MB / 1.248 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001923/1.832, allocations: 1.222 MB / 1.599 GB, free: 7.613 MB / 1.248 GB
Notification: Performance of SimCode: time 6.71e-07/1.832, allocations: 0 / 1.599 GB, free: 7.613 MB / 1.248 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1817/2.014, allocations: 103.4 MB / 1.7 GB, free: 0.6133 MB / 1.342 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.88/18.89, allocations: 12.28 kB / 1.7 GB, free: 0.6055 MB / 1.342 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)