Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_10_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_10_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 0.00111/0.00111, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001135/0.001135, allocations: 189.8 kB / 16.25 MB, free: 6.637 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.331/1.331, allocations: 222.9 MB / 239.9 MB, free: 4.523 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 2.471/2.471, allocations: 437 MB / 0.7101 GB, free: 5.281 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001327/0.001328, allocations: 63.91 kB / 0.8689 GB, free: 4.957 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5799/0.5813, allocations: 151.6 MB / 1.017 GB, free: 2.695 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01939/0.6007, allocations: 18.16 MB / 1.035 GB, free: 472 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.009958/0.6107, allocations: 6.813 MB / 1.041 GB, free: 9.629 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001295/0.612, allocations: 43.88 kB / 1.041 GB, free: 9.586 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.003383/0.6154, allocations: 1.373 MB / 1.043 GB, free: 8.211 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003006/0.6185, allocations: 1.335 MB / 1.044 GB, free: 6.871 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002641/0.6211, allocations: 1.158 MB / 1.045 GB, free: 5.715 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.005/0.6261, allocations: 5.484 MB / 1.051 GB, free: 224 kB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0101/0.6362, allocations: 8.528 MB / 1.059 GB, free: 7.59 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002986/0.6392, allocations: 2.384 MB / 1.061 GB, free: 5.199 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004083/0.6433, allocations: 3.14 MB / 1.064 GB, free: 2.051 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.001189/0.6445, allocations: 0.5117 MB / 1.065 GB, free: 1.539 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002804/0.6474, allocations: 1.283 MB / 1.066 GB, free: 260 kB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.00265/0.65, allocations: 2.246 MB / 1.068 GB, free: 14 MB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.003571/0.6536, allocations: 2.187 MB / 1.07 GB, free: 11.81 MB / 0.8262 GB
Notification: Performance of NFConvertDAE.convert: time 0.007156/0.6608, allocations: 7.791 MB / 1.078 GB, free: 3.996 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 5.33e-06/0.6608, allocations: 0 / 1.078 GB, free: 3.996 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 1.383e-06/0.6608, allocations: 0 / 1.078 GB, free: 3.996 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.00018/0.661, allocations: 7.938 kB / 1.078 GB, free: 3.988 MB / 0.8262 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 0.00853/0.6695, allocations: 3.827 MB / 1.082 GB, free: 104 kB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 3.851e-05/0.6696, allocations: 8.031 kB / 1.082 GB, free: 96 kB / 0.8262 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006442/0.6702, allocations: 0.5426 MB / 1.082 GB, free: 15.54 MB / 0.8419 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0123/0.6826, allocations: 2.419 MB / 1.085 GB, free: 13.12 MB / 0.8419 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00376/0.6863, allocations: 2.159 MB / 1.087 GB, free: 10.91 MB / 0.8419 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001594/0.6865, allocations: 271.2 kB / 1.087 GB, free: 10.65 MB / 0.8419 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006485/0.6872, allocations: 352 kB / 1.087 GB, free: 10.3 MB / 0.8419 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01294/0.7001, allocations: 7.155 MB / 1.094 GB, free: 3.051 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.643e-05/0.7002, allocations: 3.938 kB / 1.094 GB, free: 3.047 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004045/0.7006, allocations: 152 kB / 1.094 GB, free: 2.898 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004232/0.701, allocations: 338.1 kB / 1.095 GB, free: 2.566 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01386/0.7149, allocations: 7.044 MB / 1.102 GB, free: 11.51 MB / 0.8575 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02651/0.7415, allocations: 26.69 MB / 1.128 GB, free: 14.64 MB / 0.8887 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007274/0.7488, allocations: 4.988 MB / 1.133 GB, free: 9.348 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005251/0.754, allocations: 2.6 MB / 1.135 GB, free: 6.727 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002166/0.7543, allocations: 127 kB / 1.135 GB, free: 6.586 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.119e-05/0.7543, allocations: 68.48 kB / 1.135 GB, free: 6.508 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 3.677e-06/0.7543, allocations: 0 / 1.135 GB, free: 6.508 MB / 0.8887 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 0.09702/0.8514, allocations: 30.94 MB / 1.165 GB, free: 7.477 MB / 0.92 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.17e-05/0.8515, allocations: 239.6 kB / 1.166 GB, free: 7.195 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001968/0.8534, allocations: 1.469 MB / 1.167 GB, free: 5.719 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003553/0.8538, allocations: 69.7 kB / 1.167 GB, free: 5.645 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007914/0.8546, allocations: 1.501 MB / 1.169 GB, free: 4.125 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008758/0.8555, allocations: 0.9203 MB / 1.17 GB, free: 3.191 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001173/0.8567, allocations: 0.6357 MB / 1.17 GB, free: 2.547 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 7.41e-05/0.8568, allocations: 305.1 kB / 1.171 GB, free: 2.246 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005512/0.8623, allocations: 2.686 MB / 1.173 GB, free: 15.55 MB / 0.9356 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006247/0.8685, allocations: 3.563 MB / 1.177 GB, free: 11.61 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01171/0.8803, allocations: 6.402 MB / 1.183 GB, free: 4.809 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.927e-05/0.8803, allocations: 8 kB / 1.183 GB, free: 4.801 MB / 0.9356 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 0.028/0.9083, allocations: 10.98 MB / 1.194 GB, free: 9.711 MB / 0.9512 GB
Notification: Performance of prepare postOptimizeDAE: time 3.887e-05/0.9084, allocations: 16 kB / 1.194 GB, free: 9.695 MB / 0.9512 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.121e-05/0.9084, allocations: 28 kB / 1.194 GB, free: 9.668 MB / 0.9512 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02004/0.9285, allocations: 5.583 MB / 1.199 GB, free: 4.066 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004744/0.9333, allocations: 0.9906 MB / 1.2 GB, free: 3.074 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04501/0.9783, allocations: 28.21 MB / 1.228 GB, free: 6.414 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004471/0.9828, allocations: 0.5731 MB / 1.228 GB, free: 5.84 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005971/0.9834, allocations: 155.9 kB / 1.228 GB, free: 5.688 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008179/0.9916, allocations: 3.98 MB / 1.232 GB, free: 1.699 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006774/0.9984, allocations: 3.528 MB / 1.236 GB, free: 13.8 MB / 0.9981 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.5415/1.54, allocations: 24.66 MB / 1.26 GB, free: 209.1 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.264e-05/1.54, allocations: 7.75 kB / 1.26 GB, free: 209.1 MB / 0.9981 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 0.0217/1.562, allocations: 10.53 MB / 1.27 GB, free: 206.7 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 2.529e-05/1.562, allocations: 16.03 kB / 1.27 GB, free: 206.7 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.963e-05/1.562, allocations: 31.22 kB / 1.27 GB, free: 206.7 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01302/1.575, allocations: 4.344 MB / 1.274 GB, free: 206 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003908/1.579, allocations: 1.035 MB / 1.275 GB, free: 206 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02555/1.604, allocations: 27.15 MB / 1.302 GB, free: 186.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003868/1.608, allocations: 0.5582 MB / 1.302 GB, free: 186.3 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002516/1.608, allocations: 154.3 kB / 1.303 GB, free: 186.2 MB / 0.9981 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.i2[2] - line2.i3[2]
         0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[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 0.0007432/1.609, allocations: 409.1 kB / 1.303 GB, free: 185.8 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004298/1.61, allocations: 200.7 kB / 1.303 GB, free: 185.7 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 : 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 0.02252/1.632, allocations: 10.16 MB / 1.313 GB, free: 175.5 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.319e-05/1.632, allocations: 27.94 kB / 1.313 GB, free: 175.5 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.481e-05/1.632, allocations: 16 kB / 1.313 GB, free: 175.5 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.102e-05/1.632, allocations: 11.95 kB / 1.313 GB, free: 175.5 MB / 0.9981 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 0.02817/1.66, allocations: 16.33 MB / 1.329 GB, free: 159 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.235e-05/1.661, allocations: 12.06 kB / 1.329 GB, free: 159 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002765/1.663, allocations: 0.741 MB / 1.33 GB, free: 158.2 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01553/1.679, allocations: 5.193 MB / 1.335 GB, free: 153 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000275/1.679, allocations: 75.95 kB / 1.335 GB, free: 152.9 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02867/1.708, allocations: 27.24 MB / 1.362 GB, free: 125.2 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.232e-06/1.708, allocations: 19.97 kB / 1.362 GB, free: 125.2 MB / 0.9981 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 0.02076/1.729, allocations: 10.13 MB / 1.371 GB, free: 114.8 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0009828/1.73, allocations: 0.7235 MB / 1.372 GB, free: 114.1 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003501/1.73, allocations: 59.98 kB / 1.372 GB, free: 114 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003003/1.733, allocations: 0.5031 MB / 1.373 GB, free: 113.5 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005594/1.734, allocations: 226.3 kB / 1.373 GB, free: 113.3 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001906/1.734, allocations: 95.95 kB / 1.373 GB, free: 113.2 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.001001/1.735, allocations: 1.001 MB / 1.374 GB, free: 112.2 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 1.6e-07/1.735, allocations: 0 / 1.374 GB, free: 112.2 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.004376/1.739, allocations: 1.852 MB / 1.376 GB, free: 110.4 MB / 0.9981 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 0.02121/1.76, allocations: 10.8 MB / 1.386 GB, free: 99.31 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.02532/1.786, allocations: 14.38 MB / 1.4 GB, free: 84.84 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 6.703e-06/1.786, allocations: 4 kB / 1.4 GB, free: 84.84 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.007891/1.794, allocations: 4.393 MB / 1.405 GB, free: 80.4 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001688/1.795, allocations: 289.4 kB / 1.405 GB, free: 80.13 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.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 0.07796/1.873, allocations: 45.68 MB / 1.45 GB, free: 32.46 MB / 0.9981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002675/1.876, allocations: 2.846 MB / 1.452 GB, free: 29.57 MB / 0.9981 GB
Notification: Performance of simCode: alias equations: time 0.004585/1.881, allocations: 1.649 MB / 1.454 GB, free: 27.92 MB / 0.9981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001484/1.882, allocations: 1.226 MB / 1.455 GB, free: 26.7 MB / 0.9981 GB
Notification: Performance of SimCode: time 9.52e-07/1.882, allocations: 0 / 1.455 GB, free: 26.7 MB / 0.9981 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1426/2.025, allocations: 102.3 MB / 1.555 GB, free: 4.859 MB / 1.076 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0004347/2.025, allocations: 299.5 kB / 1.555 GB, free: 4.48 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate platform static: time 3.726/5.751, allocations: 0.9375 kB / 1.555 GB, free: 4.48 MB / 1.076 GB
(rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat --tempDir=temp_Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)
TODO: How the !@#!# did the simulation report success but simulation result Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.mat does not exist to compare? outputFormat=mat