Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.786/1.786, allocations: 287.5 MB / 302.6 MB, free: 8.281 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009325/0.0009326, allocations: 180.9 kB / 371.2 MB, free: 10.84 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.556/1.556, allocations: 205.4 MB / 0.6298 GB, free: 10.58 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007611/0.000761, allocations: 88.23 kB / 0.7432 GB, free: 6.582 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003911/0.0003912, allocations: 19.12 kB / 0.8661 GB, free: 140.6 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.271/0.2714, allocations: 115.3 MB / 0.9787 GB, free: 28.18 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02396/0.2954, allocations: 16.55 MB / 0.9949 GB, free: 11.57 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.01566/0.3111, allocations: 6.497 MB / 1.001 GB, free: 5.062 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002561/0.3138, allocations: 47.88 kB / 1.001 GB, free: 5.016 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.002159/0.316, allocations: 373.3 kB / 1.002 GB, free: 4.648 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.004815/0.3208, allocations: 1.14 MB / 1.003 GB, free: 3.504 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003651/0.3245, allocations: 0.7661 MB / 1.003 GB, free: 2.738 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.01038/0.3349, allocations: 6.5 MB / 1.01 GB, free: 12.22 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02029/0.3553, allocations: 8.253 MB / 1.018 GB, free: 3.887 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005754/0.3611, allocations: 1.705 MB / 1.02 GB, free: 2.176 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007543/0.3687, allocations: 2.602 MB / 1.022 GB, free: 15.57 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.002227/0.371, allocations: 240 kB / 1.022 GB, free: 15.33 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004593/0.3756, allocations: 0.6907 MB / 1.023 GB, free: 14.64 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.005524/0.3812, allocations: 1.875 MB / 1.025 GB, free: 12.76 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.003192/0.3844, allocations: 0.6952 MB / 1.025 GB, free: 12.06 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.01286/0.3973, allocations: 6.448 MB / 1.032 GB, free: 5.594 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.266e-05/0.3974, allocations: 0 / 1.032 GB, free: 5.594 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 4.429e-06/0.3974, allocations: 0 / 1.032 GB, free: 5.594 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0003442/0.3978, allocations: 0 / 1.032 GB, free: 5.594 MB / 0.6511 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 0.01486/0.4127, allocations: 3.097 MB / 1.035 GB, free: 2.438 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 7.345e-05/0.4128, allocations: 16.02 kB / 1.035 GB, free: 2.422 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02018/0.433, allocations: 2.36 MB / 1.037 GB, free: 56 kB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008199/0.4412, allocations: 2.159 MB / 1.039 GB, free: 13.85 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005172/0.4418, allocations: 263.5 kB / 1.039 GB, free: 13.59 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002399/0.4442, allocations: 355.9 kB / 1.04 GB, free: 13.25 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02769/0.472, allocations: 7.096 MB / 1.047 GB, free: 6.047 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002086/0.4722, allocations: 3.938 kB / 1.047 GB, free: 6.043 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001669/0.4739, allocations: 144 kB / 1.047 GB, free: 5.902 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007963/0.4747, allocations: 338.1 kB / 1.047 GB, free: 5.57 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02767/0.5024, allocations: 6.973 MB / 1.054 GB, free: 14.59 MB / 0.6823 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 0.6088/1.111, allocations: 26.71 MB / 1.08 GB, free: 70.91 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009641/1.121, allocations: 4.981 MB / 1.085 GB, free: 68.19 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0063/1.127, allocations: 2.607 MB / 1.088 GB, free: 67.43 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002498/1.128, allocations: 126.5 kB / 1.088 GB, free: 67.33 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.049e-05/1.128, allocations: 65.98 kB / 1.088 GB, free: 67.27 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 4.659e-06/1.128, allocations: 4 kB / 1.088 GB, free: 67.27 MB / 0.6823 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 0.1026/1.23, allocations: 30.99 MB / 1.118 GB, free: 55.48 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.103e-05/1.23, allocations: 243.2 kB / 1.118 GB, free: 55.23 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002111/1.232, allocations: 1.439 MB / 1.12 GB, free: 54.45 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005759/1.233, allocations: 68.89 kB / 1.12 GB, free: 54.39 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007975/1.234, allocations: 1.494 MB / 1.121 GB, free: 53.08 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008532/1.235, allocations: 0.9271 MB / 1.122 GB, free: 52.28 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002022/1.235, allocations: 63.44 kB / 1.122 GB, free: 52.23 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001516/1.235, allocations: 442 kB / 1.123 GB, free: 51.83 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005381/1.241, allocations: 2.643 MB / 1.125 GB, free: 50.46 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005751/1.246, allocations: 3.547 MB / 1.129 GB, free: 47.95 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01089/1.257, allocations: 6.361 MB / 1.135 GB, free: 41.92 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.437e-05/1.257, allocations: 8 kB / 1.135 GB, free: 41.91 MB / 0.6823 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 0.02578/1.283, allocations: 11 MB / 1.146 GB, free: 30.81 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004602/1.284, allocations: 0.865 MB / 1.146 GB, free: 29.57 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.931e-05/1.284, allocations: 32 kB / 1.146 GB, free: 29.54 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0197/1.303, allocations: 5.877 MB / 1.152 GB, free: 23.64 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004616/1.308, allocations: 0.9867 MB / 1.153 GB, free: 22.66 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03727/1.345, allocations: 25.88 MB / 1.178 GB, free: 12.35 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005164/1.351, allocations: 0.5498 MB / 1.179 GB, free: 11.8 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009314/1.351, allocations: 163.8 kB / 1.179 GB, free: 11.64 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.417e-05/1.352, allocations: 4 kB / 1.179 GB, free: 11.64 MB / 0.698 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 0.008499/1.36, allocations: 3.079 MB / 1.182 GB, free: 8.531 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated