Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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-maint.11.x/package.mo", uses=false)
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_11_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_11_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 0.008191/0.008191, allocations: 97.17 kB / 15.73 MB, free: 6.055 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002247/0.002247, allocations: 194.3 kB / 16.68 MB, free: 5.977 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.42/1.42, allocations: 222.9 MB / 240.4 MB, free: 4.285 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.826/2.826, allocations: 469.8 MB / 0.7425 GB, free: 7.262 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001955/0.001956, allocations: 67.89 kB / 1.065 GB, free: 13.41 MB / 0.8262 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2822/0.2842, allocations: 159.1 MB / 1.22 GB, free: 14.16 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02406/0.3083, allocations: 18.28 MB / 1.238 GB, free: 11.8 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.01149/0.3198, allocations: 6.862 MB / 1.245 GB, free: 4.926 MB / 0.9981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001406/0.3212, allocations: 55.88 kB / 1.245 GB, free: 4.871 MB / 0.9981 GB
Notification: Performance of NFTyping.typeComponents: time 0.003937/0.3252, allocations: 1.47 MB / 1.246 GB, free: 3.398 MB / 0.9981 GB
Notification: Performance of NFTyping.typeBindings: time 0.00359/0.3288, allocations: 1.439 MB / 1.248 GB, free: 1.953 MB / 0.9981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003146/0.332, allocations: 1.278 MB / 1.249 GB, free: 0.6758 MB / 0.9981 GB
Notification: Performance of NFFlatten.flatten: time 0.5146/0.8466, allocations: 5.46 MB / 1.254 GB, free: 8.504 MB / 0.9981 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006345/0.853, allocations: 7.118 MB / 1.261 GB, free: 7.105 MB / 0.9981 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003176/0.8562, allocations: 2.365 MB / 1.264 GB, free: 6.984 MB / 0.9981 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004168/0.8603, allocations: 2.977 MB / 1.266 GB, free: 6.715 MB / 0.9981 GB
Notification: Performance of NFPackage.collectConstants: time 0.0008217/0.8612, allocations: 0.5142 MB / 1.267 GB, free: 6.715 MB / 0.9981 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002247/0.8634, allocations: 1.269 MB / 1.268 GB, free: 6.715 MB / 0.9981 GB
Notification: Performance of NFScalarize.scalarize: time 0.002171/0.8656, allocations: 2.247 MB / 1.27 GB, free: 6.586 MB / 0.9981 GB
Notification: Performance of NFVerifyModel.verify: time 0.002185/0.8678, allocations: 2.184 MB / 1.273 GB, free: 6.066 MB / 0.9981 GB
Notification: Performance of NFConvertDAE.convert: time 0.008237/0.8761, allocations: 7.8 MB / 1.28 GB, free: 5.266 MB / 0.9981 GB
Notification: Performance of FrontEnd - DAE generated: time 3.687e-06/0.8761, allocations: 1.062 kB / 1.28 GB, free: 5.266 MB / 0.9981 GB
Notification: Performance of FrontEnd: time 1.623e-06/0.8761, allocations: 0 / 1.28 GB, free: 5.266 MB / 0.9981 GB
Notification: Performance of Transformations before backend: time 0.0001598/0.8763, allocations: 0 / 1.28 GB, free: 5.266 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 0.008255/0.8845, allocations: 3.92 MB / 1.284 GB, free: 3.09 MB / 0.9981 GB
Notification: Performance of prepare preOptimizeDAE: time 3.66e-05/0.8846, allocations: 10.03 kB / 1.284 GB, free: 3.09 MB / 0.9981 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007597/0.8853, allocations: 0.5433 MB / 1.285 GB, free: 2.809 MB / 0.9981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01371/0.899, allocations: 2.433 MB / 1.287 GB, free: 2.531 MB / 0.9981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004244/0.9033, allocations: 2.196 MB / 1.289 GB, free: 1.52 MB / 0.9981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001522/0.9035, allocations: 266.4 kB / 1.289 GB, free: 1.41 MB / 0.9981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006706/0.9041, allocations: 353.7 kB / 1.29 GB, free: 1.301 MB / 0.9981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0162/0.9204, allocations: 7.187 MB / 1.297 GB, free: 15.03 MB / 1.014 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.812e-05/0.9205, allocations: 6.391 kB / 1.297 GB, free: 15.03 MB / 1.014 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005509/0.921, allocations: 147.6 kB / 1.297 GB, free: 14.92 MB / 1.014 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004945/0.9215, allocations: 330.5 kB / 1.297 GB, free: 14.89 MB / 1.014 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01641/0.9379, allocations: 7.051 MB / 1.304 GB, free: 12.89 MB / 1.014 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03518/0.9731, allocations: 26.54 MB / 1.33 GB, free: 7.281 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009006/0.9822, allocations: 5.004 MB / 1.335 GB, free: 3.859 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006311/0.9885, allocations: 2.61 MB / 1.337 GB, free: 2.539 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002752/0.9888, allocations: 138.5 kB / 1.337 GB, free: 2.426 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.569e-05/0.9889, allocations: 54.19 kB / 1.338 GB, free: 2.375 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=208): time 3.968e-06/0.9889, allocations: 0 / 1.338 GB, free: 2.375 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 0.1125/1.101, allocations: 31.19 MB / 1.368 GB, free: 8.742 MB / 1.061 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001492/1.102, allocations: 231.6 kB / 1.368 GB, free: 8.465 MB / 1.061 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002376/1.104, allocations: 1.473 MB / 1.37 GB, free: 6.984 MB / 1.061 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003585/1.104, allocations: 69.7 kB / 1.37 GB, free: 6.91 MB / 1.061 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001168/1.105, allocations: 1.553 MB / 1.371 GB, free: 5.355 MB / 1.061 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001008/1.106, allocations: 0.9691 MB / 1.372 GB, free: 4.398 MB / 1.061 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001321/1.108, allocations: 0.636 MB / 1.373 GB, free: 3.754 MB / 1.061 GB
Notification: Performance of setup shared object (initialization): time 0.0001287/1.108, allocations: 301.1 kB / 1.373 GB, free: 3.457 MB / 1.061 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00659/1.115, allocations: 2.686 MB / 1.376 GB, free: 0.7617 MB / 1.061 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007355/1.122, allocations: 3.568 MB / 1.379 GB, free: 12.83 MB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01417/1.136, allocations: 6.407 MB / 1.385 GB, free: 6.133 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.822e-05/1.136, allocations: 8 kB / 1.385 GB, free: 6.125 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 0.03026/1.166, allocations: 10.99 MB / 1.396 GB, free: 11.09 MB / 1.092 GB
Notification: Performance of prepare postOptimizeDAE: time 3.275e-05/1.166, allocations: 19.94 kB / 1.396 GB, free: 11.07 MB / 1.092 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.196e-05/1.166, allocations: 28 kB / 1.396 GB, free: 11.04 MB / 1.092 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02126/1.188, allocations: 5.556 MB / 1.402 GB, free: 5.473 MB / 1.092 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004634/1.192, allocations: 0.9945 MB / 1.403 GB, free: 4.477 MB / 1.092 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04731/1.24, allocations: 28.22 MB / 1.43 GB, free: 7.828 MB / 1.123 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004826/1.245, allocations: 0.5732 MB / 1.431 GB, free: 7.254 MB / 1.123 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003707/1.245, allocations: 159.9 kB / 1.431 GB, free: 7.098 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008951/1.254, allocations: 3.983 MB / 1.435 GB, free: 3.109 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007207/1.261, allocations: 3.524 MB / 1.438 GB, free: 15.21 MB / 1.139 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09625/1.357, allocations: 24.63 MB / 1.462 GB, free: 6.082 MB / 1.154 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.786e-05/1.357, allocations: 8 kB / 1.462 GB, free: 6.074 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 0.02796/1.385, allocations: 10.53 MB / 1.473 GB, free: 11.39 MB / 1.17 GB
Notification: Performance of prepare postOptimizeDAE: time 2.928e-05/1.385, allocations: 19.98 kB / 1.473 GB, free: 11.38 MB / 1.17 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.203e-05/1.385, allocations: 24 kB / 1.473 GB, free: 11.35 MB / 1.17 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01643/1.402, allocations: 4.325 MB / 1.477 GB, free: 7.012 MB / 1.17 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004818/1.407, allocations: 1.045 MB / 1.478 GB, free: 5.965 MB / 1.17 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03985/1.447, allocations: 27.16 MB / 1.504 GB, free: 10.11 MB / 1.201 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005385/1.452, allocations: 0.5538 MB / 1.505 GB, free: 9.555 MB / 1.201 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004988/1.453, allocations: 155.9 kB / 1.505 GB, free: 9.402 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 0.000961/1.454, allocations: 395.8 kB / 1.505 GB, free: 9.008 MB / 1.201 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005866/1.454, allocations: 214.7 kB / 1.506 GB, free: 8.797 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 0.02913/1.483, allocations: 10.16 MB / 1.516 GB, free: 14.55 MB / 1.217 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.275e-05/1.483, allocations: 35.94 kB / 1.516 GB, free: 14.52 MB / 1.217 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.034e-05/1.483, allocations: 16 kB / 1.516 GB, free: 14.5 MB / 1.217 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.397e-05/1.483, allocations: 15.95 kB / 1.516 GB, free: 14.48 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 0.03881/1.522, allocations: 16.32 MB / 1.532 GB, free: 13.99 MB / 1.232 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.406e-05/1.522, allocations: 12.22 kB / 1.532 GB, free: 13.98 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003792/1.526, allocations: 0.7333 MB / 1.532 GB, free: 13.24 MB / 1.232 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02001/1.546, allocations: 5.177 MB / 1.537 GB, free: 8.047 MB / 1.232 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005563/1.547, allocations: 75.95 kB / 1.537 GB, free: 7.973 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04488/1.592, allocations: 27.22 MB / 1.564 GB, free: 12.27 MB / 1.264 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.417e-05/1.592, allocations: 19.97 kB / 1.564 GB, free: 12.25 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 0.02839/1.62, allocations: 10.14 MB / 1.574 GB, free: 1.855 MB / 1.264 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001868/1.622, allocations: 0.7337 MB / 1.575 GB, free: 1.102 MB / 1.264 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004282/1.622, allocations: 64.89 kB / 1.575 GB, free: 1.039 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00372/1.626, allocations: 0.5031 MB / 1.575 GB, free: 0.5352 MB / 1.264 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007872/1.627, allocations: 226.4 kB / 1.575 GB, free: 320 kB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002728/1.627, allocations: 91.95 kB / 1.576 GB, free: 228 kB / 1.264 GB
Notification: Performance of sorting global known variables: time 0.00169/1.629, allocations: 1.005 MB / 1.577 GB, free: 15.21 MB / 1.279 GB
Notification: Performance of sort global known variables: time 1.71e-07/1.629, allocations: 0 / 1.577 GB, free: 15.21 MB / 1.279 GB
Notification: Performance of remove unused functions: time 0.005789/1.635, allocations: 1.855 MB / 1.578 GB, free: 13.36 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 0.0285/1.663, allocations: 10.81 MB / 1.589 GB, free: 2.297 MB / 1.279 GB
Notification: Performance of simCode: created initialization part: time 0.03174/1.695, allocations: 12.46 MB / 1.601 GB, free: 5.734 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 8.827e-06/1.695, allocations: 0 / 1.601 GB, free: 5.734 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.01134/1.706, allocations: 4.413 MB / 1.605 GB, free: 1.281 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002135/1.708, allocations: 295.9 kB / 1.606 GB, free: 1.004 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 0.1033/1.812, allocations: 42.46 MB / 1.647 GB, free: 5.266 MB / 1.342 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003565/1.815, allocations: 2.853 MB / 1.65 GB, free: 2.375 MB / 1.342 GB
Notification: Performance of simCode: alias equations: time 0.004703/1.82, allocations: 1.657 MB / 1.652 GB, free: 0.7148 MB / 1.342 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002024/1.822, allocations: 1.241 MB / 1.653 GB, free: 15.53 MB / 1.357 GB
Notification: Performance of SimCode: time 7.62e-07/1.822, allocations: 0 / 1.653 GB, free: 15.53 MB / 1.357 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1748/1.997, allocations: 103.4 MB / 1.754 GB, free: 8.547 MB / 1.451 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.86/17.86, allocations: 0.875 kB / 1.754 GB, free: 8.543 MB / 1.451 GB
(rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_UnbalancedStepUp_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)