Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 0.001341/0.001341, allocations: 77.62 kB / 19.18 MB, free: 2.527 MB / 14.72 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 0.001477/0.001477, allocations: 167.8 kB / 22.46 MB, free: 5.359 MB / 14.72 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 1.478/1.478, allocations: 177.2 MB / 202.8 MB, free: 9.168 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002597/0.002597, allocations: 249.1 kB / 259.4 MB, free: 468 kB / 238.1 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.071/1.071, allocations: 138.4 MB / 454.3 MB, free: 1.996 MB / 366.1 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.363e-06/1.363e-06, allocations: 0 / 0.6469 GB, free: 4.891 MB / 0.5606 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.452e-05/2.588e-05, allocations: 5.656 kB / 0.6469 GB, free: 4.887 MB / 0.5606 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.2607/0.2607, allocations: 17.51 MB / 0.664 GB, free: 48.12 MB / 0.5606 GB
Notification: Performance of NFInst.instExpressions: time 0.009091/0.2698, allocations: 6.668 MB / 0.6705 GB, free: 43.87 MB / 0.5606 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001266/0.271, allocations: 64.72 kB / 0.6706 GB, free: 43.85 MB / 0.5606 GB
Notification: Performance of NFTyping.typeComponents: time 0.003183/0.2742, allocations: 1.481 MB / 0.672 GB, free: 43.05 MB / 0.5606 GB
Notification: Performance of NFTyping.typeBindings: time 0.003163/0.2774, allocations: 1.489 MB / 0.6735 GB, free: 42.21 MB / 0.5606 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002777/0.2802, allocations: 1.278 MB / 0.6747 GB, free: 41.52 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.004953/0.2851, allocations: 5.556 MB / 0.6802 GB, free: 39.12 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004224/0.2893, allocations: 3.385 MB / 0.6835 GB, free: 37.43 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004737/0.2941, allocations: 3.335 MB / 0.6867 GB, free: 35.81 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00486/0.2989, allocations: 2.885 MB / 0.6895 GB, free: 34.87 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 0.001/0.2999, allocations: 0.5142 MB / 0.69 GB, free: 34.87 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002531/0.3025, allocations: 1.211 MB / 0.6912 GB, free: 34.63 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 0.002481/0.305, allocations: 2.417 MB / 0.6936 GB, free: 33.56 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.00238/0.3073, allocations: 1.547 MB / 0.6951 GB, free: 32.79 MB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.00912/0.3165, allocations: 7.999 MB / 0.7029 GB, free: 28.82 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 6.281e-06/0.3165, allocations: 0 / 0.7029 GB, free: 28.82 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 1.443e-06/0.3165, allocations: 0 / 0.7029 GB, free: 28.82 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 0.0001691/0.3166, allocations: 0 / 0.7029 GB, free: 28.82 MB / 0.5606 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 0.009016/0.3256, allocations: 3.795 MB / 0.7066 GB, free: 26.26 MB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 4.713e-05/0.3257, allocations: 9.219 kB / 0.7066 GB, free: 26.26 MB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01417/0.3399, allocations: 2.441 MB / 0.709 GB, free: 25.09 MB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005419/0.3453, allocations: 2.178 MB / 0.7111 GB, free: 23.79 MB / 0.5606 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001956/0.3455, allocations: 262.6 kB / 0.7114 GB, free: 23.67 MB / 0.5606 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001053/0.3465, allocations: 354.3 kB / 0.7117 GB, free: 23.55 MB / 0.5606 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0149/0.3614, allocations: 7.24 MB / 0.7188 GB, free: 19.38 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.576e-05/0.3615, allocations: 5.25 kB / 0.7188 GB, free: 19.37 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000496/0.362, allocations: 152.3 kB / 0.7189 GB, free: 19.25 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004649/0.3625, allocations: 329.7 kB / 0.7193 GB, free: 19.16 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01575/0.3782, allocations: 7.035 MB / 0.7261 GB, free: 15.36 MB / 0.5606 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02473/0.4029, allocations: 17.9 MB / 0.7436 GB, free: 12.93 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008847/0.4118, allocations: 3.73 MB / 0.7472 GB, free: 9.168 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006863/0.4187, allocations: 2.526 MB / 0.7497 GB, free: 6.625 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002382/0.4189, allocations: 49.97 kB / 0.7498 GB, free: 6.578 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.334e-05/0.419, allocations: 60.5 kB / 0.7498 GB, free: 6.508 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=208): time 4.919e-06/0.419, allocations: 0 / 0.7498 GB, free: 6.508 MB / 0.5762 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.conv1.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.conv1.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 0.1165/0.5355, allocations: 30.79 MB / 0.7799 GB, free: 7.727 MB / 0.6075 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001519/0.5356, allocations: 239.6 kB / 0.7801 GB, free: 7.445 MB / 0.6075 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00239/0.538, allocations: 1.436 MB / 0.7815 GB, free: 5.996 MB / 0.6075 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004898/0.5385, allocations: 73.7 kB / 0.7816 GB, free: 5.918 MB / 0.6075 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001146/0.5396, allocations: 1.546 MB / 0.7831 GB, free: 4.355 MB / 0.6075 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00106/0.5407, allocations: 0.9527 MB / 0.784 GB, free: 3.395 MB / 0.6075 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001296/0.542, allocations: 0.632 MB / 0.7846 GB, free: 2.754 MB / 0.6075 GB
Notification: Performance of setup shared object (initialization): time 0.0001233/0.5421, allocations: 305.1 kB / 0.7849 GB, free: 2.453 MB / 0.6075 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006726/0.5488, allocations: 2.69 MB / 0.7876 GB, free: 15.75 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007646/0.5565, allocations: 3.643 MB / 0.7911 GB, free: 11.71 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01487/0.5714, allocations: 6.399 MB / 0.7974 GB, free: 4.918 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.711e-05/0.5714, allocations: 8 kB / 0.7974 GB, free: 4.91 MB / 0.6231 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.conv1.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.conv1.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 0.03246/0.6039, allocations: 10.8 MB / 0.8079 GB, free: 10.05 MB / 0.6387 GB
Notification: Performance of prepare postOptimizeDAE: time 4.111e-05/0.6039, allocations: 21.88 kB / 0.8079 GB, free: 10.03 MB / 0.6387 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.174e-05/0.604, allocations: 28.75 kB / 0.808 GB, free: 10 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02241/0.6264, allocations: 5.531 MB / 0.8134 GB, free: 4.465 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005077/0.6314, allocations: 0.9945 MB / 0.8143 GB, free: 3.469 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04798/0.6794, allocations: 27.39 MB / 0.8411 GB, free: 7.746 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005002/0.6844, allocations: 0.5732 MB / 0.8417 GB, free: 7.172 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003925/0.6848, allocations: 155.9 kB / 0.8418 GB, free: 7.02 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009041/0.6939, allocations: 3.98 MB / 0.8457 GB, free: 3.031 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007407/0.7013, allocations: 3.611 MB / 0.8492 GB, free: 15.02 MB / 0.6856 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09996/0.8012, allocations: 24.47 MB / 0.8731 GB, free: 6.082 MB / 0.7012 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.691e-05/0.8013, allocations: 10.81 kB / 0.8731 GB, free: 6.074 MB / 0.7012 GB
Warning: The linear system: 
1 : transformer.conv3.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.conv3.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 : 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 matching and sorting (n=410) (initialization_lambda0): time 0.02977/0.831, allocations: 10.16 MB / 0.883 GB, free: 11.84 MB / 0.7169 GB
Notification: Performance of prepare postOptimizeDAE: time 3.283e-05/0.8311, allocations: 20.5 kB / 0.8831 GB, free: 11.82 MB / 0.7169 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.449e-05/0.8311, allocations: 35.94 kB / 0.8831 GB, free: 11.79 MB / 0.7169 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01677/0.8479, allocations: 4.316 MB / 0.8873 GB, free: 7.457 MB / 0.7169 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00524/0.8531, allocations: 1.034 MB / 0.8883 GB, free: 6.422 MB / 0.7169 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03938/0.8925, allocations: 26.13 MB / 0.9138 GB, free: 11.75 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004976/0.8975, allocations: 0.5576 MB / 0.9144 GB, free: 11.19 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004481/0.8979, allocations: 151.9 kB / 0.9145 GB, free: 11.04 MB / 0.7481 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 (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 0.00096/0.8989, allocations: 402.5 kB / 0.9149 GB, free: 10.64 MB / 0.7481 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006354/0.8995, allocations: 210.7 kB / 0.9151 GB, free: 10.43 MB / 0.7481 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.conv1.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.conv1.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 postOpt wrapFunctionCalls (simulation): time 0.03065/0.9302, allocations: 9.924 MB / 0.9248 GB, free: 488 kB / 0.7481 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.864e-05/0.9302, allocations: 28 kB / 0.9248 GB, free: 460 kB / 0.7481 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.337e-05/0.9303, allocations: 12 kB / 0.9248 GB, free: 448 kB / 0.7481 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.203e-05/0.9303, allocations: 15.95 kB / 0.9249 GB, free: 432 kB / 0.7481 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 postOpt removeSimpleEquations (simulation): time 0.03799/0.9683, allocations: 14.78 MB / 0.9393 GB, free: 1.484 MB / 0.7637 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.946e-05/0.9683, allocations: 8 kB / 0.9393 GB, free: 1.477 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003723/0.9721, allocations: 0.7372 MB / 0.94 GB, free: 0.7383 MB / 0.7637 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3468/1.319, allocations: 5.161 MB / 0.9451 GB, free: 236 MB / 0.7637 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000786/1.32, allocations: 73.7 kB / 0.9451 GB, free: 236 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04039/1.36, allocations: 26.45 MB / 0.971 GB, free: 225.1 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.218e-06/1.36, allocations: 12.78 kB / 0.971 GB, free: 225.1 MB / 0.7637 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 symbolicJacobian (simulation): time 0.02765/1.388, allocations: 9.85 MB / 0.9806 GB, free: 222.2 MB / 0.7637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002032/1.39, allocations: 0.6497 MB / 0.9812 GB, free: 222 MB / 0.7637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004939/1.39, allocations: 56.72 kB / 0.9813 GB, free: 222 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003782/1.394, allocations: 0.5082 MB / 0.9818 GB, free: 221.9 MB / 0.7637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008624/1.395, allocations: 240.4 kB / 0.982 GB, free: 221.9 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002605/1.395, allocations: 89.98 kB / 0.9821 GB, free: 221.9 MB / 0.7637 GB
Notification: Performance of sorting global known variables: time 0.001452/1.397, allocations: 0.9465 MB / 0.983 GB, free: 221.5 MB / 0.7637 GB
Notification: Performance of sort global known variables: time 9e-08/1.397, allocations: 0 / 0.983 GB, free: 221.5 MB / 0.7637 GB
Notification: Performance of remove unused functions: time 0.006548/1.403, allocations: 1.848 MB / 0.9848 GB, free: 221.4 MB / 0.7637 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)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0005116/1.404, allocations: 182.5 kB / 0.985 GB, free: 221.2 MB / 0.7637 GB
Notification: Performance of simCode: created initialization part: time 0.02877/1.432, allocations: 12.02 MB / 0.9967 GB, free: 217.2 MB / 0.7637 GB
Notification: Performance of simCode: created event and clocks part: time 2.325e-05/1.432, allocations: 3.172 kB / 0.9967 GB, free: 217.2 MB / 0.7637 GB
Notification: Performance of simCode: created simulation system equations: time 0.01067/1.443, allocations: 4.26 MB / 1.001 GB, free: 215.7 MB / 0.7637 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002267/1.445, allocations: 265.8 kB / 1.001 GB, free: 215.6 MB / 0.7637 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02291/1.468, allocations: 9.653 MB / 1.011 GB, free: 211.5 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002422/1.471, allocations: 2.289 MB / 1.013 GB, free: 210.3 MB / 0.7637 GB
Notification: Performance of simCode: alias equations: time 0.004076/1.475, allocations: 1.649 MB / 1.014 GB, free: 209.5 MB / 0.7637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000648/1.475, allocations: 172.8 kB / 1.015 GB, free: 209.4 MB / 0.7637 GB
Notification: Performance of SimCode: time 1.302e-06/1.475, allocations: 0 / 1.015 GB, free: 209.4 MB / 0.7637 GB
Notification: Performance of Templates: time 0.0844/1.56, allocations: 76.68 MB / 1.089 GB, free: 133.1 MB / 0.7637 GB
"
[Timeout remaining time 658]
make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 660]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 480]
[Calling os._exit(0), Time elapsed: 8.749899182468653]
Failed to read output from testmodel.py, exit status != 0:
1.568565808236599 1.576986003 1.258278391
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f564dde11e0>