Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0009596/0.0009596, allocations: 80.75 kB / 19.94 MB, free: 4.547 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001098/0.001098, allocations: 181 kB / 23.36 MB, free: 1.133 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9325/0.9325, allocations: 177.1 MB / 203.8 MB, free: 5.469 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.378/2.378, allocations: 438.8 MB / 0.6826 GB, free: 13.63 MB / 0.6511 GB
"
[Timeout remaining time 177]
Using package Buildings with version 14.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|err_V2.[0-9,]+.|err_V3.[0-9,]+.|err_V4.[0-9,]+.|err_Theta2.[0-9,]+.|err_Theta3.[0-9,]+.|err_Theta4.[0-9,]+.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|err_V2.[0-9,]+.|err_V3.[0-9,]+.|err_V4.[0-9,]+.|err_Theta2.[0-9,]+.|err_Theta3.[0-9,]+.|err_Theta4.[0-9,]+.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.643e-06/1.643e-06, allocations: 0 / 0.8387 GB, free: 14.15 MB / 0.8073 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.393e-05/1.557e-05, allocations: 14.19 kB / 0.8387 GB, free: 14.14 MB / 0.8073 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.007729/0.007745, allocations: 9.359 MB / 0.8478 GB, free: 4.734 MB / 0.8073 GB
Notification: Performance of NFInst.instExpressions: time 0.005835/0.01358, allocations: 3.904 MB / 0.8516 GB, free: 0.8203 MB / 0.8073 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0007453/0.01432, allocations: 67.75 kB / 0.8517 GB, free: 0.7539 MB / 0.8073 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008206/0.01515, allocations: 457 kB / 0.8521 GB, free: 312 kB / 0.8073 GB
Notification: Performance of NFTyping.typeBindings: time 0.001428/0.01657, allocations: 1.228 MB / 0.8533 GB, free: 15.07 MB / 0.823 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001249/0.01782, allocations: 0.9552 MB / 0.8543 GB, free: 14.11 MB / 0.823 GB
Notification: Performance of NFFlatten.flatten: time 0.003494/0.02132, allocations: 5.421 MB / 0.8596 GB, free: 8.68 MB / 0.823 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002763/0.02408, allocations: 3.652 MB / 0.8631 GB, free: 4.906 MB / 0.823 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002655/0.02673, allocations: 3.337 MB / 0.8664 GB, free: 1.562 MB / 0.823 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002208/0.02894, allocations: 2.837 MB / 0.8692 GB, free: 14.72 MB / 0.8386 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004046/0.02935, allocations: 0.5078 MB / 0.8697 GB, free: 14.21 MB / 0.8386 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0007852/0.03013, allocations: 0.7065 MB / 0.8704 GB, free: 13.5 MB / 0.8386 GB
Notification: Performance of NFScalarize.scalarize: time 0.001444/0.03158, allocations: 2.421 MB / 0.8727 GB, free: 11.08 MB / 0.8386 GB
Notification: Performance of NFVerifyModel.verify: time 0.001096/0.03267, allocations: 1.552 MB / 0.8742 GB, free: 9.523 MB / 0.8386 GB
Notification: Performance of NFConvertDAE.convert: time 0.002579/0.03525, allocations: 4.13 MB / 0.8783 GB, free: 5.383 MB / 0.8386 GB
Notification: Performance of FrontEnd - DAE generated: time 3.016e-06/0.03525, allocations: 0 / 0.8783 GB, free: 5.383 MB / 0.8386 GB
Notification: Performance of FrontEnd: time 1.082e-06/0.03526, allocations: 0 / 0.8783 GB, free: 5.383 MB / 0.8386 GB
Notification: Performance of Transformations before backend: time 3.119e-05/0.03529, allocations: 0 / 0.8783 GB, free: 5.383 MB / 0.8386 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 0.003452/0.03874, allocations: 3.514 MB / 0.8817 GB, free: 1.828 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 3.48e-05/0.03877, allocations: 12.62 kB / 0.8817 GB, free: 1.816 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004022/0.0428, allocations: 1.448 MB / 0.8831 GB, free: 376 kB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001569/0.04436, allocations: 1.521 MB / 0.8846 GB, free: 14.82 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001355/0.0445, allocations: 271.5 kB / 0.8849 GB, free: 14.55 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004282/0.04493, allocations: 352.3 kB / 0.8852 GB, free: 14.21 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003815/0.04874, allocations: 3.326 MB / 0.8884 GB, free: 10.76 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.227e-05/0.0488, allocations: 15.97 kB / 0.8885 GB, free: 10.74 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000288/0.04908, allocations: 148 kB / 0.8886 GB, free: 10.6 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002484/0.04933, allocations: 310.1 kB / 0.8889 GB, free: 10.29 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001984/0.05132, allocations: 1.413 MB / 0.8903 GB, free: 8.867 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01143/0.06274, allocations: 12.93 MB / 0.9029 GB, free: 11.37 MB / 0.8698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001656/0.0644, allocations: 1.71 MB / 0.9046 GB, free: 9.594 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001023/0.06542, allocations: 0.8695 MB / 0.9054 GB, free: 8.695 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000132/0.06555, allocations: 57.97 kB / 0.9055 GB, free: 8.637 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.506e-05/0.06559, allocations: 68.48 kB / 0.9055 GB, free: 8.562 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=208): time 3.657e-06/0.06559, allocations: 0 / 0.9055 GB, free: 8.562 MB / 0.8698 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=211): time 0.008507/0.0741, allocations: 4.523 MB / 0.91 GB, free: 4.031 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.363e-05/0.07417, allocations: 235.6 kB / 0.9102 GB, free: 3.75 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006885/0.07486, allocations: 0.9964 MB / 0.9112 GB, free: 2.742 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001197/0.07498, allocations: 57.7 kB / 0.9112 GB, free: 2.68 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005352/0.07552, allocations: 1.449 MB / 0.9126 GB, free: 1.215 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004004/0.07592, allocations: 0.7591 MB / 0.9134 GB, free: 460 kB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005575/0.07647, allocations: 0.4937 MB / 0.9139 GB, free: 15.95 MB / 0.8855 GB
Notification: Performance of setup shared object (initialization): time 6.47e-05/0.07654, allocations: 305.1 kB / 0.9141 GB, free: 15.64 MB / 0.8855 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007474/0.07729, allocations: 449.2 kB / 0.9146 GB, free: 15.2 MB / 0.8855 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009439/0.07823, allocations: 1.303 MB / 0.9158 GB, free: 13.5 MB / 0.8855 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00159/0.07982, allocations: 1.892 MB / 0.9177 GB, free: 11.24 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.077e-06/0.07983, allocations: 8 kB / 0.9177 GB, free: 11.23 MB / 0.8855 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=350) (initialization): time 0.003886/0.08372, allocations: 2.733 MB / 0.9204 GB, free: 8.477 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 2.357e-05/0.08374, allocations: 19.98 kB / 0.9204 GB, free: 8.457 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.046e-05/0.08376, allocations: 24 kB / 0.9204 GB, free: 8.434 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.005096/0.08886, allocations: 1.986 MB / 0.9224 GB, free: 6.438 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001393/0.09025, allocations: 0.6552 MB / 0.923 GB, free: 5.781 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007778/0.09803, allocations: 7.267 MB / 0.9301 GB, free: 14.29 MB / 0.9011 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00128/0.09931, allocations: 219 kB / 0.9303 GB, free: 14.07 MB / 0.9011 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001538/0.09946, allocations: 115.9 kB / 0.9304 GB, free: 13.96 MB / 0.9011 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001124/0.1006, allocations: 0.5509 MB / 0.9309 GB, free: 13.4 MB / 0.9011 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009035/0.1015, allocations: 1.314 MB / 0.9322 GB, free: 11.68 MB / 0.9011 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002453/0.1039, allocations: 2.687 MB / 0.9349 GB, free: 8.609 MB / 0.9011 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.856e-06/0.104, allocations: 8 kB / 0.9349 GB, free: 8.602 MB / 0.9011 GB
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : 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]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : 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]
[
  -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.v3_n[2] ;
  line2.v3_p[2] ;
  line2.v1_p[2] ;
  line2.v1_n[2]
]
  =
[
  -transformer.conv3.V2[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] ;
  -loadRL.load3.v[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]
]
 might be structurally or numerically singular for variable line2.v1_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=350) (initialization_lambda0): time 0.003083/0.107, allocations: 2.514 MB / 0.9373 GB, free: 6.066 MB / 0.9011 GB
Notification: Performance of prepare postOptimizeDAE: time 1.723e-05/0.1071, allocations: 16.56 kB / 0.9373 GB, free: 6.051 MB / 0.9011 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.875e-05/0.1071, allocations: 28 kB / 0.9374 GB, free: 6.023 MB / 0.9011 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001136/0.1082, allocations: 0.55 MB / 0.9379 GB, free: 5.461 MB / 0.9011 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001482/0.1097, allocations: 0.7021 MB / 0.9386 GB, free: 4.758 MB / 0.9011 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004892/0.1146, allocations: 9.008 MB / 0.9474 GB, free: 11.34 MB / 0.9167 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001066/0.1156, allocations: 211.1 kB / 0.9476 GB, free: 11.13 MB / 0.9167 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001441/0.1158, allocations: 108 kB / 0.9477 GB, free: 11.03 MB / 0.9167 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (294):
 * Single equations (assignments): 292
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.000468/0.1163, allocations: 384 kB / 0.948 GB, free: 10.65 MB / 0.9167 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003377/0.1166, allocations: 183.8 kB / 0.9482 GB, free: 10.47 MB / 0.9167 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003716/0.1203, allocations: 2.388 MB / 0.9506 GB, free: 8.039 MB / 0.9167 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.121e-05/0.1203, allocations: 20 kB / 0.9506 GB, free: 8.02 MB / 0.9167 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.04e-06/0.1203, allocations: 4 kB / 0.9506 GB, free: 8.016 MB / 0.9167 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.312e-05/0.1203, allocations: 11.95 kB / 0.9506 GB, free: 8.004 MB / 0.9167 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0064/0.1267, allocations: 5.128 MB / 0.9556 GB, free: 2.754 MB / 0.9167 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.574e-06/0.1267, allocations: 8 kB / 0.9556 GB, free: 2.746 MB / 0.9167 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000982/0.1277, allocations: 416.2 kB / 0.956 GB, free: 2.34 MB / 0.9167 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.003891/0.1316, allocations: 1.801 MB / 0.9578 GB, free: 0.5273 MB / 0.9167 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001133/0.1317, allocations: 55.95 kB / 0.9578 GB, free: 484 kB / 0.9167 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006069/0.1378, allocations: 7.037 MB / 0.9647 GB, free: 9.176 MB / 0.9323 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.147e-06/0.1378, allocations: 11.98 kB / 0.9647 GB, free: 9.164 MB / 0.9323 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003454/0.1413, allocations: 2.779 MB / 0.9674 GB, free: 6.281 MB / 0.9323 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000522/0.1418, allocations: 434 kB / 0.9678 GB, free: 5.855 MB / 0.9323 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00019/0.142, allocations: 44 kB / 0.9679 GB, free: 5.812 MB / 0.9323 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007563/0.1427, allocations: 83.95 kB / 0.9679 GB, free: 5.73 MB / 0.9323 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002042/0.1429, allocations: 170.1 kB / 0.9681 GB, free: 5.562 MB / 0.9323 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.869e-05/0.143, allocations: 51.95 kB / 0.9682 GB, free: 5.512 MB / 0.9323 GB
Notification: Performance of sorting global known variables: time 0.0003741/0.1434, allocations: 453.9 kB / 0.9686 GB, free: 5.062 MB / 0.9323 GB
Notification: Performance of sort global known variables: time 9e-08/0.1434, allocations: 3.938 kB / 0.9686 GB, free: 5.059 MB / 0.9323 GB
Notification: Performance of remove unused functions: time 0.003347/0.1468, allocations: 1.461 MB / 0.97 GB, free: 3.598 MB / 0.9323 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 28
 * 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 (158):
 * Single equations (assignments): 156
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0002442/0.147, allocations: 144.1 kB / 0.9702 GB, free: 3.449 MB / 0.9323 GB
Notification: Performance of simCode: created initialization part: time 0.004005/0.151, allocations: 3.59 MB / 0.9737 GB, free: 15.79 MB / 0.948 GB
Notification: Performance of simCode: created event and clocks part: time 3.844e-05/0.151, allocations: 27.84 kB / 0.9737 GB, free: 15.77 MB / 0.948 GB
Notification: Performance of simCode: created simulation system equations: time 0.001485/0.1525, allocations: 1.308 MB / 0.975 GB, free: 14.43 MB / 0.948 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001307/0.1538, allocations: 0.4887 MB / 0.9754 GB, free: 13.95 MB / 0.948 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00673/0.1606, allocations: 5.613 MB / 0.9809 GB, free: 8.207 MB / 0.948 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007949/0.1614, allocations: 0.9725 MB / 0.9819 GB, free: 7.215 MB / 0.948 GB
Notification: Performance of simCode: alias equations: time 0.001405/0.1628, allocations: 0.5421 MB / 0.9824 GB, free: 6.668 MB / 0.948 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006986/0.1635, allocations: 323.2 kB / 0.9827 GB, free: 6.352 MB / 0.948 GB
Notification: Performance of SimCode: time 1.433e-06/0.1635, allocations: 0 / 0.9827 GB, free: 6.352 MB / 0.948 GB
Notification: Performance of Templates: time 0.05125/0.2147, allocations: 48.48 MB / 1.03 GB, free: 6.16 MB / 0.9948 GB
"
[Timeout remaining time 300]
make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 6.083759781904519]