Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_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 0.001305/0.001305, allocations: 80.88 kB / 20.82 MB, free: 3.629 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 0.001681/0.001681, allocations: 165 kB / 24.25 MB, free: 208 kB / 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 0.9622/0.9622, allocations: 177.2 MB / 204.7 MB, free: 5.441 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.891/1.891, allocations: 389.6 MB / 0.6355 GB, free: 12.28 MB / 0.6042 GB
"
[Timeout remaining time 178]
Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.403e-06/1.403e-06, allocations: 0 / 0.7755 GB, free: 5.18 MB / 0.7292 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.65e-05/1.79e-05, allocations: 9.125 kB / 0.7755 GB, free: 5.172 MB / 0.7292 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.008554/0.008572, allocations: 9.398 MB / 0.7847 GB, free: 11.77 MB / 0.7448 GB
Notification: Performance of NFInst.instExpressions: time 0.006833/0.01541, allocations: 3.885 MB / 0.7885 GB, free: 7.895 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001063/0.01647, allocations: 67.75 kB / 0.7885 GB, free: 7.828 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.0009643/0.01743, allocations: 469 kB / 0.789 GB, free: 7.367 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.001779/0.01921, allocations: 1.212 MB / 0.7902 GB, free: 6.156 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001494/0.02071, allocations: 0.9526 MB / 0.7911 GB, free: 5.207 MB / 0.7448 GB
Notification: Performance of NFFlatten.flatten: time 0.003906/0.02461, allocations: 5.432 MB / 0.7964 GB, free: 15.76 MB / 0.7605 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003288/0.0279, allocations: 3.648 MB / 0.8 GB, free: 11.99 MB / 0.7605 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003242/0.03114, allocations: 3.339 MB / 0.8032 GB, free: 8.648 MB / 0.7605 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003076/0.03422, allocations: 2.843 MB / 0.806 GB, free: 5.805 MB / 0.7605 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006333/0.03485, allocations: 0.5078 MB / 0.8065 GB, free: 5.297 MB / 0.7605 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00107/0.03592, allocations: 0.7066 MB / 0.8072 GB, free: 4.59 MB / 0.7605 GB
Notification: Performance of NFScalarize.scalarize: time 0.001787/0.03771, allocations: 2.426 MB / 0.8095 GB, free: 2.16 MB / 0.7605 GB
Notification: Performance of NFVerifyModel.verify: time 0.001251/0.03896, allocations: 1.552 MB / 0.8111 GB, free: 0.6055 MB / 0.7605 GB
Notification: Performance of NFConvertDAE.convert: time 0.003022/0.04198, allocations: 4.13 MB / 0.8151 GB, free: 12.46 MB / 0.7761 GB
Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.04198, allocations: 1.094 kB / 0.8151 GB, free: 12.46 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 1.072e-06/0.04199, allocations: 0 / 0.8151 GB, free: 12.46 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 6.93e-05/0.04206, allocations: 0 / 0.8151 GB, free: 12.46 MB / 0.7761 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 0.003956/0.04601, allocations: 3.51 MB / 0.8185 GB, free: 8.922 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 3.632e-05/0.04605, allocations: 9.344 kB / 0.8185 GB, free: 8.914 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004049/0.0501, allocations: 1.448 MB / 0.8199 GB, free: 7.473 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001654/0.05175, allocations: 1.513 MB / 0.8214 GB, free: 5.93 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001258/0.05188, allocations: 279.4 kB / 0.8217 GB, free: 5.656 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003713/0.05225, allocations: 349.3 kB / 0.822 GB, free: 5.316 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004006/0.05625, allocations: 3.336 MB / 0.8253 GB, free: 1.867 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.785e-05/0.0563, allocations: 7.953 kB / 0.8253 GB, free: 1.859 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002701/0.05657, allocations: 148 kB / 0.8254 GB, free: 1.715 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002468/0.05682, allocations: 318.1 kB / 0.8257 GB, free: 1.402 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001944/0.05876, allocations: 1.41 MB / 0.8271 GB, free: 15.98 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01173/0.0705, allocations: 12.93 MB / 0.8397 GB, free: 2.504 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001735/0.07223, allocations: 1.696 MB / 0.8414 GB, free: 0.7461 MB / 0.7917 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0009989/0.07323, allocations: 0.8822 MB / 0.8423 GB, free: 15.86 MB / 0.8073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001205/0.07335, allocations: 57.97 kB / 0.8423 GB, free: 15.81 MB / 0.8073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.579e-05/0.07339, allocations: 60.5 kB / 0.8424 GB, free: 15.74 MB / 0.8073 GB
Notification: Performance of pre-optimization done (n=208): time 4.258e-06/0.07339, allocations: 0 / 0.8424 GB, free: 15.74 MB / 0.8073 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 0.008877/0.08227, allocations: 4.54 MB / 0.8468 GB, free: 11.22 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.472e-05/0.08234, allocations: 235.6 kB / 0.847 GB, free: 10.94 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007375/0.08308, allocations: 0.9886 MB / 0.848 GB, free: 9.941 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.000119/0.0832, allocations: 65.53 kB / 0.8481 GB, free: 9.875 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005429/0.08374, allocations: 1.449 MB / 0.8495 GB, free: 8.406 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004466/0.08419, allocations: 0.7513 MB / 0.8502 GB, free: 7.648 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005429/0.08473, allocations: 0.4975 MB / 0.8507 GB, free: 7.145 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0003674/0.0851, allocations: 309.1 kB / 0.851 GB, free: 6.84 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005872/0.08569, allocations: 445.2 kB / 0.8514 GB, free: 6.398 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009147/0.0866, allocations: 1.303 MB / 0.8527 GB, free: 4.703 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001604/0.0882, allocations: 1.9 MB / 0.8545 GB, free: 2.434 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.068e-05/0.08822, allocations: 8 kB / 0.8545 GB, free: 2.426 MB / 0.8073 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 0.0041/0.09231, allocations: 2.728 MB / 0.8572 GB, free: 15.68 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 2.532e-05/0.09234, allocations: 18.81 kB / 0.8572 GB, free: 15.66 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.225e-05/0.09236, allocations: 24 kB / 0.8573 GB, free: 15.64 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.004176/0.09654, allocations: 1.752 MB / 0.859 GB, free: 13.88 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001645/0.09818, allocations: 0.7449 MB / 0.8597 GB, free: 13.13 MB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007208/0.1054, allocations: 7.312 MB / 0.8668 GB, free: 5.59 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001263/0.1067, allocations: 223 kB / 0.867 GB, free: 5.371 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001582/0.1068, allocations: 111.9 kB / 0.8671 GB, free: 5.262 MB / 0.823 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00113/0.1079, allocations: 0.5548 MB / 0.8677 GB, free: 4.699 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008889/0.1088, allocations: 1.318 MB / 0.869 GB, free: 2.973 MB / 0.823 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002948/0.1118, allocations: 2.679 MB / 0.8716 GB, free: 15.9 MB / 0.8386 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.451e-05/0.1118, allocations: 8 kB / 0.8716 GB, free: 15.89 MB / 0.8386 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 0.003241/0.115, allocations: 2.527 MB / 0.8741 GB, free: 13.34 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 1.861e-05/0.1151, allocations: 17.72 kB / 0.8741 GB, free: 13.32 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.307e-05/0.1151, allocations: 28 kB / 0.8741 GB, free: 13.3 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001219/0.1163, allocations: 0.5426 MB / 0.8746 GB, free: 12.74 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001829/0.1181, allocations: 0.8113 MB / 0.8754 GB, free: 11.93 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005262/0.1234, allocations: 9.006 MB / 0.8842 GB, free: 2.523 MB / 0.8386 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001415/0.1248, allocations: 223 kB / 0.8844 GB, free: 2.305 MB / 0.8386 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000175/0.125, allocations: 111.9 kB / 0.8845 GB, free: 2.195 MB / 0.8386 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 0.0008351/0.1258, allocations: 385.4 kB / 0.8849 GB, free: 1.812 MB / 0.8386 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003546/0.1262, allocations: 183.8 kB / 0.8851 GB, free: 1.633 MB / 0.8386 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 0.003611/0.1298, allocations: 2.378 MB / 0.8874 GB, free: 15.23 MB / 0.8542 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.213e-05/0.1298, allocations: 20 kB / 0.8874 GB, free: 15.21 MB / 0.8542 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.304e-06/0.1298, allocations: 7.984 kB / 0.8874 GB, free: 15.2 MB / 0.8542 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.128e-05/0.1298, allocations: 11.97 kB / 0.8875 GB, free: 15.19 MB / 0.8542 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 0.006722/0.1365, allocations: 5.13 MB / 0.8925 GB, free: 9.934 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.273e-06/0.1365, allocations: 4.844 kB / 0.8925 GB, free: 9.93 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001235/0.1378, allocations: 499.3 kB / 0.8929 GB, free: 9.441 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.003915/0.1417, allocations: 1.789 MB / 0.8947 GB, free: 7.637 MB / 0.8542 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001385/0.1418, allocations: 51.95 kB / 0.8947 GB, free: 7.586 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006379/0.1482, allocations: 7.084 MB / 0.9017 GB, free: 252 kB / 0.8542 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.017e-06/0.1482, allocations: 8 kB / 0.9017 GB, free: 244 kB / 0.8542 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 0.003592/0.1518, allocations: 2.78 MB / 0.9044 GB, free: 13.35 MB / 0.8698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006095/0.1524, allocations: 430.1 kB / 0.9048 GB, free: 12.93 MB / 0.8698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000197/0.1526, allocations: 40.09 kB / 0.9048 GB, free: 12.89 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007911/0.1534, allocations: 79.95 kB / 0.9049 GB, free: 12.81 MB / 0.8698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002491/0.1536, allocations: 181.9 kB / 0.9051 GB, free: 12.64 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001057/0.1538, allocations: 55.95 kB / 0.9051 GB, free: 12.58 MB / 0.8698 GB
Notification: Performance of sorting global known variables: time 0.0004244/0.1542, allocations: 453.9 kB / 0.9056 GB, free: 12.13 MB / 0.8698 GB
Notification: Performance of sort global known variables: time 4e-08/0.1542, allocations: 0 / 0.9056 GB, free: 12.13 MB / 0.8698 GB
Notification: Performance of remove unused functions: time 0.003267/0.1574, allocations: 1.469 MB / 0.907 GB, free: 10.66 MB / 0.8698 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 0.0002374/0.1577, allocations: 144.1 kB / 0.9071 GB, free: 10.52 MB / 0.8698 GB
Notification: Performance of simCode: created initialization part: time 0.00443/0.1621, allocations: 3.582 MB / 0.9106 GB, free: 6.867 MB / 0.8698 GB
Notification: Performance of simCode: created event and clocks part: time 4.301e-05/0.1622, allocations: 27.84 kB / 0.9107 GB, free: 6.84 MB / 0.8698 GB
Notification: Performance of simCode: created simulation system equations: time 0.001568/0.1637, allocations: 1.32 MB / 0.9119 GB, free: 5.492 MB / 0.8698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001356/0.1651, allocations: 492.1 kB / 0.9124 GB, free: 5.016 MB / 0.8698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007983/0.1731, allocations: 5.61 MB / 0.9179 GB, free: 15.28 MB / 0.8855 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008481/0.1739, allocations: 0.9686 MB / 0.9188 GB, free: 14.29 MB / 0.8855 GB
Notification: Performance of simCode: alias equations: time 0.001555/0.1755, allocations: 0.5421 MB / 0.9194 GB, free: 13.74 MB / 0.8855 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007215/0.1762, allocations: 323.2 kB / 0.9197 GB, free: 13.42 MB / 0.8855 GB
Notification: Performance of SimCode: time 1.333e-06/0.1762, allocations: 4 kB / 0.9197 GB, free: 13.42 MB / 0.8855 GB
Notification: Performance of Templates: time 0.05352/0.2297, allocations: 48.46 MB / 0.967 GB, free: 13.23 MB / 0.9323 GB
"
[Timeout remaining time 300]
make -j1 -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300]
(rm -f Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=240  -lv LOG_STATS > Buildings_13_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 5.870387640781701]