Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_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_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.499/1.499, allocations: 252 MB / 267.6 MB, free: 10.97 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001033/0.001034, allocations: 183.3 kB / 327.3 MB, free: 2.23 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.99/1.99, allocations: 205.4 MB / 0.5783 GB, free: 20.19 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007562/0.0007562, allocations: 102 kB / 0.6829 GB, free: 12.88 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003379/0.000338, allocations: 7.656 kB / 0.797 GB, free: 135.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2216/0.2219, allocations: 106.3 MB / 0.9009 GB, free: 63.89 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0137/0.2357, allocations: 16.56 MB / 0.917 GB, free: 47.27 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.008922/0.2446, allocations: 6.485 MB / 0.9234 GB, free: 40.77 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002132/0.2468, allocations: 43.88 kB / 0.9234 GB, free: 40.73 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001421/0.2483, allocations: 377.3 kB / 0.9238 GB, free: 40.36 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003395/0.2517, allocations: 1.132 MB / 0.9249 GB, free: 39.22 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002688/0.2544, allocations: 0.7703 MB / 0.9256 GB, free: 38.45 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005672/0.2601, allocations: 6.485 MB / 0.932 GB, free: 31.95 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01051/0.2706, allocations: 7.454 MB / 0.9392 GB, free: 24.43 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003281/0.2739, allocations: 1.705 MB / 0.9409 GB, free: 22.71 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00415/0.2781, allocations: 2.61 MB / 0.9435 GB, free: 20.1 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001296/0.2794, allocations: 236 kB / 0.9437 GB, free: 19.87 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002662/0.2821, allocations: 0.6906 MB / 0.9444 GB, free: 19.18 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.002977/0.2851, allocations: 1.879 MB / 0.9462 GB, free: 17.29 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.002127/0.2872, allocations: 0.6952 MB / 0.9469 GB, free: 16.59 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.006259/0.2935, allocations: 6.445 MB / 0.9532 GB, free: 10.13 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.2935, allocations: 0 / 0.9532 GB, free: 10.13 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.164e-06/0.2936, allocations: 0 / 0.9532 GB, free: 10.13 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002977/0.2939, allocations: 0 / 0.9532 GB, free: 10.13 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 0.008607/0.3025, allocations: 3.14 MB / 0.9562 GB, free: 6.93 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 3.772e-05/0.3025, allocations: 12.03 kB / 0.9562 GB, free: 6.918 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01213/0.3147, allocations: 2.352 MB / 0.9585 GB, free: 4.559 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004914/0.3196, allocations: 2.131 MB / 0.9606 GB, free: 2.379 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002401/0.3199, allocations: 271.1 kB / 0.9609 GB, free: 2.113 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001479/0.3214, allocations: 355.9 kB / 0.9612 GB, free: 1.766 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01796/0.3394, allocations: 7.092 MB / 0.9681 GB, free: 10.57 MB / 0.6199 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001505/0.3395, allocations: 7.922 kB / 0.9681 GB, free: 10.57 MB / 0.6199 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001261/0.3408, allocations: 148 kB / 0.9683 GB, free: 10.42 MB / 0.6199 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005415/0.3414, allocations: 330.1 kB / 0.9686 GB, free: 10.1 MB / 0.6199 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01973/0.3611, allocations: 6.981 MB / 0.9754 GB, free: 3.098 MB / 0.6199 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 0.04237/0.4035, allocations: 26.7 MB / 1.001 GB, free: 6.211 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009239/0.4128, allocations: 4.99 MB / 1.006 GB, free: 0.9219 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006284/0.4191, allocations: 2.596 MB / 1.009 GB, free: 14.3 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003323/0.4195, allocations: 131 kB / 1.009 GB, free: 14.15 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.204e-05/0.4196, allocations: 60.5 kB / 1.009 GB, free: 14.09 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.731e-06/0.4196, allocations: 0 / 1.009 GB, free: 14.09 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 0.1094/0.529, allocations: 30.96 MB / 1.039 GB, free: 15.04 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001478/0.5292, allocations: 247.5 kB / 1.04 GB, free: 14.75 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002177/0.5314, allocations: 1.43 MB / 1.041 GB, free: 13.31 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005702/0.5319, allocations: 65.7 kB / 1.041 GB, free: 13.24 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001009/0.533, allocations: 1.501 MB / 1.042 GB, free: 11.71 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001038/0.534, allocations: 0.9242 MB / 1.043 GB, free: 10.78 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002613/0.5343, allocations: 68 kB / 1.043 GB, free: 10.71 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0002337/0.5345, allocations: 440.7 kB / 1.044 GB, free: 10.27 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00593/0.5405, allocations: 2.641 MB / 1.046 GB, free: 7.629 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006859/0.5473, allocations: 3.544 MB / 1.05 GB, free: 3.707 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006715/0.5541, allocations: 3.091 MB / 1.053 GB, free: 0.5938 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.963e-05/0.5542, allocations: 11.94 kB / 1.053 GB, free: 0.582 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 0.5133/1.067, allocations: 10.99 MB / 1.064 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007121/1.068, allocations: 0.8656 MB / 1.065 GB, free: 135.2 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.116e-05/1.068, allocations: 26.72 kB / 1.065 GB, free: 135.2 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02392/1.092, allocations: 5.889 MB / 1.07 GB, free: 135.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004862/1.097, allocations: 0.986 MB / 1.071 GB, free: 135.1 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04022/1.137, allocations: 25.88 MB / 1.097 GB, free: 121.3 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004414/1.142, allocations: 0.5554 MB / 1.097 GB, free: 121.1 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004612/1.142, allocations: 154.8 kB / 1.097 GB, free: 121 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 9.548e-06/1.142, allocations: 3.594 kB / 1.097 GB, free: 121 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 0.006042/1.148, allocations: 3.081 MB / 1.1 GB, free: 118.4 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated