Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.687/1.687, allocations: 288.4 MB / 303.7 MB, free: 8.824 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00104/0.001039, allocations: 184.5 kB / 372.3 MB, free: 6.426 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.752/1.752, allocations: 205.4 MB / 0.631 GB, free: 13.41 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007893/0.0007893, allocations: 86.81 kB / 0.7444 GB, free: 64.68 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004601/0.0004607, allocations: 16 kB / 0.8675 GB, free: 0.5352 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2955/0.296, allocations: 115.3 MB / 0.9802 GB, free: 13.05 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01993/0.316, allocations: 16.49 MB / 0.9963 GB, free: 12.5 MB / 0.7292 GB
Notification: Performance of NFInst.instExpressions: time 0.01204/0.3281, allocations: 6.477 MB / 1.003 GB, free: 6.012 MB / 0.7292 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001987/0.3301, allocations: 47.88 kB / 1.003 GB, free: 5.965 MB / 0.7292 GB
Notification: Performance of NFTyping.typeComponents: time 0.001616/0.3318, allocations: 369.3 kB / 1.003 GB, free: 5.602 MB / 0.7292 GB
Notification: Performance of NFTyping.typeBindings: time 0.003902/0.3357, allocations: 1.214 MB / 1.004 GB, free: 4.383 MB / 0.7292 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003163/0.3389, allocations: 0.8226 MB / 1.005 GB, free: 3.559 MB / 0.7292 GB
Notification: Performance of NFFlatten.flatten: time 0.008218/0.3471, allocations: 6.47 MB / 1.011 GB, free: 13.07 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01416/0.3613, allocations: 8.226 MB / 1.019 GB, free: 4.746 MB / 0.7448 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004265/0.3656, allocations: 1.689 MB / 1.021 GB, free: 3.051 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006199/0.3718, allocations: 2.602 MB / 1.024 GB, free: 452 kB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.001569/0.3734, allocations: 240 kB / 1.024 GB, free: 212 kB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.5418/0.9152, allocations: 1.125 MB / 1.025 GB, free: 72.15 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.003907/0.9192, allocations: 1.882 MB / 1.027 GB, free: 72.15 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.003046/0.9223, allocations: 1.709 MB / 1.028 GB, free: 72.12 MB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.01125/0.9335, allocations: 6.429 MB / 1.035 GB, free: 71.89 MB / 0.7448 GB
Notification: Performance of FrontEnd - DAE generated: time 7.744e-06/0.9336, allocations: 0 / 1.035 GB, free: 71.89 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.196e-06/0.9336, allocations: 0 / 1.035 GB, free: 71.89 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0003516/0.934, allocations: 0.7812 kB / 1.035 GB, free: 71.89 MB / 0.7448 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01217/0.9462, allocations: 3.069 MB / 1.038 GB, free: 70.52 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 6.849e-05/0.9462, allocations: 8.719 kB / 1.038 GB, free: 70.52 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01429/0.9605, allocations: 2.344 MB / 1.04 GB, free: 70.33 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00771/0.9683, allocations: 2.148 MB / 1.042 GB, free: 69.89 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004527/0.9688, allocations: 266.2 kB / 1.042 GB, free: 69.88 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002675/0.9715, allocations: 345.4 kB / 1.043 GB, free: 69.88 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02795/0.9995, allocations: 7.076 MB / 1.05 GB, free: 69.51 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000326/0.9999, allocations: 2.469 kB / 1.05 GB, free: 69.51 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003059/1.003, allocations: 148.8 kB / 1.05 GB, free: 69.51 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008608/1.004, allocations: 338.2 kB / 1.05 GB, free: 69.5 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02867/1.033, allocations: 6.964 MB / 1.057 GB, free: 69.46 MB / 0.7448 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 0.05639/1.089, allocations: 26.56 MB / 1.083 GB, free: 54.73 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01231/1.101, allocations: 4.979 MB / 1.088 GB, free: 52 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008639/1.11, allocations: 2.601 MB / 1.09 GB, free: 51.24 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004501/1.111, allocations: 132.5 kB / 1.09 GB, free: 51.14 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.332e-05/1.111, allocations: 65.12 kB / 1.09 GB, free: 51.08 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 7.304e-06/1.111, allocations: 0 / 1.09 GB, free: 51.08 MB / 0.7448 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 0.1591/1.27, allocations: 30.94 MB / 1.121 GB, free: 44 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001477/1.27, allocations: 239.7 kB / 1.121 GB, free: 43.75 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003353/1.273, allocations: 1.391 MB / 1.122 GB, free: 43.23 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.001008/1.274, allocations: 75.27 kB / 1.122 GB, free: 43.16 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001138/1.276, allocations: 1.484 MB / 1.124 GB, free: 42.03 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001385/1.277, allocations: 0.9174 MB / 1.125 GB, free: 41.32 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002485/1.277, allocations: 64.75 kB / 1.125 GB, free: 41.27 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.0002295/1.277, allocations: 436.4 kB / 1.125 GB, free: 40.91 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00667/1.284, allocations: 2.646 MB / 1.128 GB, free: 40.1 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00717/1.291, allocations: 3.547 MB / 1.131 GB, free: 38.21 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01389/1.305, allocations: 6.362 MB / 1.137 GB, free: 35.27 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.737e-05/1.305, allocations: 6.844 kB / 1.137 GB, free: 35.27 MB / 0.7448 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 0.02987/1.335, allocations: 11 MB / 1.148 GB, free: 31.84 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005935/1.336, allocations: 0.8559 MB / 1.149 GB, free: 30.67 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.123e-05/1.336, allocations: 27.84 kB / 1.149 GB, free: 30.67 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02183/1.358, allocations: 5.883 MB / 1.155 GB, free: 27.92 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004724/1.363, allocations: 0.9902 MB / 1.156 GB, free: 27.64 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03678/1.399, allocations: 25.89 MB / 1.181 GB, free: 7.914 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005319/1.405, allocations: 0.5536 MB / 1.181 GB, free: 7.359 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007573/1.405, allocations: 155.9 kB / 1.182 GB, free: 7.207 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.011e-05/1.406, allocations: 6.344 kB / 1.182 GB, free: 7.203 MB / 0.7448 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.006959/1.412, allocations: 3.084 MB / 1.185 GB, free: 4.199 MB / 0.7448 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated