Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.162/2.162, allocations: 251.1 MB / 266.7 MB, free: 11.56 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001422/0.001422, allocations: 183.4 kB / 326.3 MB, free: 2.836 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.59/2.59, allocations: 205.4 MB / 0.5772 GB, free: 20.76 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001403/0.001403, allocations: 93.97 kB / 0.6817 GB, free: 13.62 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006381/0.0006385, allocations: 12.62 kB / 0.7958 GB, free: 135.5 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2087/0.2094, allocations: 106.3 MB / 0.8995 GB, free: 65.48 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02399/0.2334, allocations: 16.55 MB / 0.9157 GB, free: 48.87 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01336/0.2469, allocations: 6.493 MB / 0.922 GB, free: 42.36 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001792/0.2487, allocations: 43.88 kB / 0.9221 GB, free: 42.32 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001428/0.2502, allocations: 373.3 kB / 0.9224 GB, free: 41.95 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003926/0.2541, allocations: 1.132 MB / 0.9235 GB, free: 40.81 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003313/0.2575, allocations: 0.7781 MB / 0.9243 GB, free: 40.04 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.007945/0.2655, allocations: 6.493 MB / 0.9306 GB, free: 33.53 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01482/0.2803, allocations: 7.738 MB / 0.9382 GB, free: 25.72 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00346/0.2838, allocations: 1.689 MB / 0.9399 GB, free: 24.02 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005068/0.289, allocations: 2.614 MB / 0.9424 GB, free: 21.4 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001103/0.2901, allocations: 236 kB / 0.9426 GB, free: 21.17 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002914/0.293, allocations: 0.6829 MB / 0.9433 GB, free: 20.49 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003122/0.2962, allocations: 1.883 MB / 0.9451 GB, free: 18.6 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001669/0.2979, allocations: 0.6914 MB / 0.9458 GB, free: 17.9 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.008379/0.3063, allocations: 6.445 MB / 0.9521 GB, free: 11.44 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 7.444e-06/0.3064, allocations: 0 / 0.9521 GB, free: 11.44 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.625e-06/0.3064, allocations: 3.938 kB / 0.9521 GB, free: 11.44 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002229/0.3066, allocations: 0 / 0.9521 GB, free: 11.44 MB / 0.6042 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 0.01039/0.3171, allocations: 3.136 MB / 0.9552 GB, free: 8.242 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.313e-05/0.3171, allocations: 8.031 kB / 0.9552 GB, free: 8.234 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02138/0.3385, allocations: 2.36 MB / 0.9575 GB, free: 5.867 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006432/0.345, allocations: 2.132 MB / 0.9596 GB, free: 3.688 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002677/0.3453, allocations: 267.5 kB / 0.9598 GB, free: 3.426 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001485/0.3468, allocations: 355.9 kB / 0.9602 GB, free: 3.078 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02462/0.3715, allocations: 7.096 MB / 0.9671 GB, free: 11.88 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001349/0.3716, allocations: 7.906 kB / 0.9671 GB, free: 11.88 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009682/0.3726, allocations: 152 kB / 0.9672 GB, free: 11.73 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008055/0.3734, allocations: 338 kB / 0.9676 GB, free: 11.39 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02935/0.4028, allocations: 6.977 MB / 0.9744 GB, free: 4.402 MB / 0.6198 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 0.05654/0.4594, allocations: 26.71 MB / 1 GB, free: 7.508 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01574/0.4752, allocations: 4.987 MB / 1.005 GB, free: 2.219 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01139/0.4866, allocations: 2.6 MB / 1.008 GB, free: 15.59 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004922/0.4872, allocations: 131 kB / 1.008 GB, free: 15.45 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.206e-05/0.4873, allocations: 64.5 kB / 1.008 GB, free: 15.38 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.701e-06/0.4873, allocations: 0 / 1.008 GB, free: 15.38 MB / 0.6667 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 0.2055/0.6928, allocations: 30.97 MB / 1.038 GB, free: 332 kB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001655/0.693, allocations: 235.6 kB / 1.039 GB, free: 44 kB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003213/0.6962, allocations: 1.438 MB / 1.04 GB, free: 14.6 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006594/0.6969, allocations: 65.7 kB / 1.04 GB, free: 14.53 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001623/0.6986, allocations: 1.501 MB / 1.041 GB, free: 13 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00168/0.7003, allocations: 0.9242 MB / 1.042 GB, free: 12.07 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004468/0.7007, allocations: 64 kB / 1.042 GB, free: 12 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0003427/0.7011, allocations: 440.7 kB / 1.043 GB, free: 11.57 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01109/0.7122, allocations: 2.645 MB / 1.045 GB, free: 8.918 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01212/0.7244, allocations: 3.54 MB / 1.049 GB, free: 4.996 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0123/0.7367, allocations: 3.103 MB / 1.052 GB, free: 1.871 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.112e-05/0.7368, allocations: 8 kB / 1.052 GB, free: 1.863 MB / 0.698 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 0.6613/1.398, allocations: 10.99 MB / 1.063 GB, free: 137.9 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006803/1.399, allocations: 0.8694 MB / 1.064 GB, free: 136.8 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.841e-05/1.399, allocations: 26.31 kB / 1.064 GB, free: 136.8 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04149/1.44, allocations: 5.876 MB / 1.069 GB, free: 136.7 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008285/1.449, allocations: 0.9841 MB / 1.07 GB, free: 136.6 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06728/1.516, allocations: 25.89 MB / 1.096 GB, free: 122.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007594/1.524, allocations: 0.5505 MB / 1.096 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008993/1.525, allocations: 148.7 kB / 1.096 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.436e-05/1.525, allocations: 3.5 kB / 1.096 GB, free: 122.6 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 0.01195/1.537, allocations: 3.097 MB / 1.099 GB, free: 120.6 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated