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.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.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.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.414/1.414, allocations: 252 MB / 267.6 MB, free: 10.93 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009581/0.0009582, allocations: 181.2 kB / 327.3 MB, free: 2.219 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.828/1.828, allocations: 205.4 MB / 0.5783 GB, free: 20.29 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007933/0.0007932, allocations: 92.81 kB / 0.6829 GB, free: 12.88 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003496/0.0003493, allocations: 9.562 kB / 0.797 GB, free: 135.1 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2667/0.267, allocations: 106.3 MB / 0.9009 GB, free: 63.9 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01479/0.2819, allocations: 16.47 MB / 0.917 GB, free: 47.37 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01104/0.293, allocations: 6.469 MB / 0.9233 GB, free: 40.88 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002146/0.2952, allocations: 47.81 kB / 0.9233 GB, free: 40.84 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00104/0.2963, allocations: 373.4 kB / 0.9237 GB, free: 40.47 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003053/0.2994, allocations: 1.124 MB / 0.9248 GB, free: 39.34 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002475/0.3019, allocations: 0.7685 MB / 0.9255 GB, free: 38.57 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005875/0.3077, allocations: 6.458 MB / 0.9318 GB, free: 32.1 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009246/0.317, allocations: 7.442 MB / 0.9391 GB, free: 24.58 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003146/0.3202, allocations: 1.689 MB / 0.9407 GB, free: 22.89 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00427/0.3245, allocations: 2.602 MB / 0.9433 GB, free: 20.28 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006975/0.3252, allocations: 236 kB / 0.9435 GB, free: 20.05 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002165/0.3274, allocations: 0.679 MB / 0.9442 GB, free: 19.37 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.0019/0.3293, allocations: 1.883 MB / 0.946 GB, free: 17.48 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.0008812/0.3302, allocations: 0.6835 MB / 0.9467 GB, free: 16.79 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.005378/0.3356, allocations: 6.413 MB / 0.9529 GB, free: 10.36 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 6.192e-06/0.3356, allocations: 4 kB / 0.9529 GB, free: 10.36 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 2.164e-06/0.3356, allocations: 0 / 0.9529 GB, free: 10.36 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002476/0.3359, allocations: 0 / 0.9529 GB, free: 10.36 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.006758/0.3426, allocations: 3.101 MB / 0.956 GB, free: 7.195 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.489e-05/0.3427, allocations: 12.03 kB / 0.956 GB, free: 7.184 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01155/0.3542, allocations: 2.336 MB / 0.9583 GB, free: 4.84 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00484/0.3591, allocations: 2.123 MB / 0.9603 GB, free: 2.672 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001686/0.3593, allocations: 267 kB / 0.9606 GB, free: 2.41 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009238/0.3603, allocations: 347.9 kB / 0.9609 GB, free: 2.07 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01469/0.375, allocations: 7.075 MB / 0.9678 GB, free: 10.89 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.483e-05/0.3751, allocations: 0 / 0.9678 GB, free: 10.89 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000432/0.3755, allocations: 148 kB / 0.968 GB, free: 10.75 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005409/0.3761, allocations: 330 kB / 0.9683 GB, free: 10.43 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0175/0.3936, allocations: 6.969 MB / 0.9751 GB, free: 3.438 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 0.0387/0.4324, allocations: 26.57 MB / 1.001 GB, free: 6.691 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008986/0.4414, allocations: 4.971 MB / 1.006 GB, free: 1.414 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005968/0.4474, allocations: 2.596 MB / 1.008 GB, free: 14.79 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003316/0.4478, allocations: 135 kB / 1.009 GB, free: 14.64 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.656e-05/0.4479, allocations: 68.45 kB / 1.009 GB, free: 14.57 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 4.488e-06/0.4479, allocations: 0 / 1.009 GB, free: 14.57 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 0.1078/0.5557, allocations: 30.93 MB / 1.039 GB, free: 15.56 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001375/0.5559, allocations: 235.6 kB / 1.039 GB, free: 15.28 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002724/0.5586, allocations: 1.396 MB / 1.04 GB, free: 13.88 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007271/0.5594, allocations: 69.7 kB / 1.04 GB, free: 13.8 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001279/0.5606, allocations: 1.478 MB / 1.042 GB, free: 12.3 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001489/0.5622, allocations: 0.9281 MB / 1.043 GB, free: 11.36 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005585/0.5627, allocations: 64 kB / 1.043 GB, free: 11.3 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0003645/0.5631, allocations: 436.7 kB / 1.043 GB, free: 10.86 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006501/0.5696, allocations: 2.649 MB / 1.046 GB, free: 8.211 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007594/0.5772, allocations: 3.536 MB / 1.049 GB, free: 4.297 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006998/0.5843, allocations: 3.091 MB / 1.052 GB, free: 1.184 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.406e-05/0.5843, allocations: 8 kB / 1.052 GB, free: 1.176 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 0.6663/1.251, allocations: 10.99 MB / 1.063 GB, free: 136.2 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000765/1.251, allocations: 0.8641 MB / 1.064 GB, free: 135.2 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.238e-05/1.251, allocations: 26.86 kB / 1.064 GB, free: 135.2 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02383/1.275, allocations: 5.889 MB / 1.07 GB, free: 135.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004729/1.28, allocations: 0.9883 MB / 1.071 GB, free: 135 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0395/1.32, allocations: 25.86 MB / 1.096 GB, free: 121.6 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004478/1.324, allocations: 0.5624 MB / 1.097 GB, free: 121.3 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005131/1.325, allocations: 144.7 kB / 1.097 GB, free: 121.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.049e-05/1.325, allocations: 3.812 kB / 1.097 GB, free: 121.3 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 0.007328/1.332, allocations: 3.086 MB / 1.1 GB, free: 119 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated