Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 11.1.0-master/package.mo", uses=false)
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.007274/0.007274, allocations: 95.77 kB / 15.73 MB, free: 6.039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001757/0.001757, allocations: 198.6 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 1.303/1.303, allocations: 222.9 MB / 240.4 MB, free: 4.324 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.557/2.557, allocations: 469.4 MB / 0.7421 GB, free: 7.602 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001255/0.001255, allocations: 68.08 kB / 1.064 GB, free: 13.81 MB / 0.8262 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.27/0.2712, allocations: 159.1 MB / 1.22 GB, free: 14.57 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01949/0.2908, allocations: 18.28 MB / 1.238 GB, free: 12.23 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01082/0.3016, allocations: 6.87 MB / 1.244 GB, free: 5.34 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001858/0.3035, allocations: 55.88 kB / 1.244 GB, free: 5.285 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.003999/0.3076, allocations: 1.465 MB / 1.246 GB, free: 3.816 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.004005/0.3116, allocations: 1.467 MB / 1.247 GB, free: 2.344 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00321/0.3148, allocations: 1.275 MB / 1.249 GB, free: 1.066 MB / 0.9981 GB
Notification: Performance of NFFlatten.flatten: time 0.605/0.9198, allocations: 5.468 MB / 1.254 GB, free: 8.352 MB / 0.9981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009055/0.9289, allocations: 7.111 MB / 1.261 GB, free: 6.953 MB / 0.9981 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004117/0.9331, allocations: 2.381 MB / 1.263 GB, free: 6.836 MB / 0.9981 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005793/0.9389, allocations: 2.974 MB / 1.266 GB, free: 6.57 MB / 0.9981 GB
Notification: Performance of NFPackage.collectConstants: time 0.002179/0.9411, allocations: 0.5145 MB / 1.267 GB, free: 6.57 MB / 0.9981 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00414/0.9453, allocations: 1.271 MB / 1.268 GB, free: 6.57 MB / 0.9981 GB
Notification: Performance of NFScalarize.scalarize: time 0.004651/0.9499, allocations: 2.246 MB / 1.27 GB, free: 6.438 MB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.005847/0.9558, allocations: 2.185 MB / 1.272 GB, free: 5.922 MB / 0.9981 GB
Notification: Performance of NFConvertDAE.convert: time 0.01272/0.9685, allocations: 7.807 MB / 1.28 GB, free: 5.195 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 6.803e-06/0.9686, allocations: 0.7969 kB / 1.28 GB, free: 5.195 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 2.004e-06/0.9686, allocations: 0 / 1.28 GB, free: 5.195 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.0002746/0.9689, allocations: 0 / 1.28 GB, free: 5.195 MB / 0.9981 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 0.0167/0.9856, allocations: 3.911 MB / 1.284 GB, free: 3.254 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.971e-05/0.9856, allocations: 10.75 kB / 1.284 GB, free: 3.254 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002768/0.9884, allocations: 0.5466 MB / 1.284 GB, free: 2.969 MB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01517/1.004, allocations: 2.431 MB / 1.287 GB, free: 2.691 MB / 0.9981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006903/1.011, allocations: 2.194 MB / 1.289 GB, free: 1.688 MB / 0.9981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002954/1.011, allocations: 271.2 kB / 1.289 GB, free: 1.57 MB / 0.9981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002152/1.013, allocations: 353.1 kB / 1.289 GB, free: 1.461 MB / 0.9981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02132/1.034, allocations: 7.164 MB / 1.296 GB, free: 15.1 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001603/1.035, allocations: 5.797 kB / 1.296 GB, free: 15.1 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001566/1.036, allocations: 150.9 kB / 1.296 GB, free: 15 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005983/1.037, allocations: 334.5 kB / 1.297 GB, free: 14.96 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01827/1.055, allocations: 7.051 MB / 1.304 GB, free: 12.96 MB / 1.014 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04051/1.096, allocations: 26.53 MB / 1.329 GB, free: 7.395 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008357/1.104, allocations: 4.998 MB / 1.334 GB, free: 3.984 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005835/1.11, allocations: 2.62 MB / 1.337 GB, free: 2.66 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002695/1.11, allocations: 129.6 kB / 1.337 GB, free: 2.551 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.851e-05/1.11, allocations: 60.84 kB / 1.337 GB, free: 2.496 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=208): time 4.198e-06/1.11, allocations: 0 / 1.337 GB, free: 2.496 MB / 1.029 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.conv2.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.conv2.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 0.1022/1.212, allocations: 31.18 MB / 1.368 GB, free: 9.164 MB / 1.061 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001143/1.212, allocations: 243.3 kB / 1.368 GB, free: 8.879 MB / 1.061 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002337/1.215, allocations: 1.473 MB / 1.369 GB, free: 7.398 MB / 1.061 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005805/1.215, allocations: 68.89 kB / 1.369 GB, free: 7.328 MB / 1.061 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009021/1.216, allocations: 1.55 MB / 1.371 GB, free: 5.773 MB / 1.061 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001181/1.218, allocations: 0.9651 MB / 1.372 GB, free: 4.82 MB / 1.061 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001534/1.219, allocations: 0.636 MB / 1.372 GB, free: 4.176 MB / 1.061 GB
Notification: Performance of setup shared object (initialization): time 8.307e-05/1.219, allocations: 305.1 kB / 1.373 GB, free: 3.875 MB / 1.061 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005819/1.225, allocations: 2.682 MB / 1.375 GB, free: 1.184 MB / 1.061 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006495/1.232, allocations: 3.574 MB / 1.379 GB, free: 13.25 MB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0123/1.244, allocations: 6.403 MB / 1.385 GB, free: 6.555 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.512e-05/1.244, allocations: 11.94 kB / 1.385 GB, free: 6.543 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.conv2.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.conv2.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 0.04213/1.286, allocations: 10.99 MB / 1.396 GB, free: 11.55 MB / 1.092 GB
Notification: Performance of prepare postOptimizeDAE: time 6.731e-05/1.286, allocations: 16 kB / 1.396 GB, free: 11.54 MB / 1.092 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.955e-05/1.286, allocations: 27.94 kB / 1.396 GB, free: 11.51 MB / 1.092 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02464/1.311, allocations: 5.56 MB / 1.401 GB, free: 5.938 MB / 1.092 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004534/1.315, allocations: 0.9945 MB / 1.402 GB, free: 4.941 MB / 1.092 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04606/1.362, allocations: 28.21 MB / 1.43 GB, free: 8.301 MB / 1.123 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007349/1.369, allocations: 0.5693 MB / 1.43 GB, free: 7.73 MB / 1.123 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001045/1.37, allocations: 155.9 kB / 1.43 GB, free: 7.578 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01288/1.383, allocations: 3.984 MB / 1.434 GB, free: 3.586 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.009943/1.393, allocations: 3.53 MB / 1.438 GB, free: 15.68 MB / 1.139 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1336/1.527, allocations: 24.63 MB / 1.462 GB, free: 6.551 MB / 1.154 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.717e-05/1.527, allocations: 8 kB / 1.462 GB, free: 6.543 MB / 1.154 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.027/1.554, allocations: 10.53 MB / 1.472 GB, free: 11.88 MB / 1.17 GB
Notification: Performance of prepare postOptimizeDAE: time 3.965e-05/1.554, allocations: 16 kB / 1.472 GB, free: 11.86 MB / 1.17 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.441e-05/1.554, allocations: 28.56 kB / 1.472 GB, free: 11.83 MB / 1.17 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01516/1.569, allocations: 4.329 MB / 1.476 GB, free: 7.484 MB / 1.17 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004874/1.574, allocations: 1.037 MB / 1.477 GB, free: 6.445 MB / 1.17 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03578/1.61, allocations: 27.16 MB / 1.504 GB, free: 10.58 MB / 1.201 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004795/1.614, allocations: 0.5538 MB / 1.505 GB, free: 10.02 MB / 1.201 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000739/1.615, allocations: 155.9 kB / 1.505 GB, free: 9.871 MB / 1.201 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.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001388/1.617, allocations: 400 kB / 1.505 GB, free: 9.473 MB / 1.201 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008725/1.617, allocations: 218.7 kB / 1.505 GB, free: 9.258 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02649/1.644, allocations: 10.16 MB / 1.515 GB, free: 15.02 MB / 1.217 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.045e-05/1.644, allocations: 24 kB / 1.515 GB, free: 15 MB / 1.217 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.281e-05/1.644, allocations: 19.94 kB / 1.515 GB, free: 14.98 MB / 1.217 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.206e-05/1.644, allocations: 19.94 kB / 1.515 GB, free: 14.96 MB / 1.217 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.0397/1.684, allocations: 16.32 MB / 1.531 GB, free: 14.45 MB / 1.232 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.371e-05/1.684, allocations: 8 kB / 1.531 GB, free: 14.44 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003547/1.688, allocations: 0.738 MB / 1.532 GB, free: 13.7 MB / 1.232 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01828/1.706, allocations: 5.181 MB / 1.537 GB, free: 8.5 MB / 1.232 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006752/1.707, allocations: 67.95 kB / 1.537 GB, free: 8.434 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03849/1.745, allocations: 27.23 MB / 1.564 GB, free: 12.73 MB / 1.264 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.207e-05/1.745, allocations: 15.97 kB / 1.564 GB, free: 12.71 MB / 1.264 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02581/1.771, allocations: 10.15 MB / 1.574 GB, free: 2.328 MB / 1.264 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002271/1.773, allocations: 0.7376 MB / 1.574 GB, free: 1.57 MB / 1.264 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008785/1.774, allocations: 55.95 kB / 1.574 GB, free: 1.516 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004535/1.779, allocations: 0.507 MB / 1.575 GB, free: 1.008 MB / 1.264 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001282/1.78, allocations: 230.3 kB / 1.575 GB, free: 0.7812 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005231/1.78, allocations: 95.95 kB / 1.575 GB, free: 0.6875 MB / 1.264 GB
Notification: Performance of sorting global known variables: time 0.002147/1.783, allocations: 0.9972 MB / 1.576 GB, free: 15.69 MB / 1.279 GB
Notification: Performance of sort global known variables: time 4.81e-07/1.783, allocations: 4 kB / 1.576 GB, free: 15.68 MB / 1.279 GB
Notification: Performance of remove unused functions: time 0.008611/1.791, allocations: 1.852 MB / 1.578 GB, free: 13.83 MB / 1.279 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 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_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 0.02625/1.818, allocations: 10.81 MB / 1.588 GB, free: 2.758 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.02961/1.847, allocations: 12.46 MB / 1.601 GB, free: 6.188 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.396e-05/1.847, allocations: 4 kB / 1.601 GB, free: 6.184 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.01133/1.859, allocations: 4.403 MB / 1.605 GB, free: 1.742 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004315/1.863, allocations: 291.5 kB / 1.605 GB, free: 1.465 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.conv2.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.conv2.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.conv2.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.conv2.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 0.102/1.965, allocations: 42.46 MB / 1.647 GB, free: 5.727 MB / 1.342 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0043/1.969, allocations: 2.853 MB / 1.649 GB, free: 2.836 MB / 1.342 GB
Notification: Performance of simCode: alias equations: time 0.004768/1.974, allocations: 1.657 MB / 1.651 GB, free: 1.176 MB / 1.342 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002031/1.976, allocations: 1.226 MB / 1.652 GB, free: 15.95 MB / 1.357 GB
Notification: Performance of SimCode: time 7.52e-07/1.976, allocations: 0 / 1.652 GB, free: 15.95 MB / 1.357 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1514/2.128, allocations: 103.5 MB / 1.753 GB, free: 8.957 MB / 1.451 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.57/17.7, allocations: 15.75 kB / 1.753 GB, free: 8.945 MB / 1.451 GB
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)