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.UnbalancedStepUp.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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.364/1.364, allocations: 251.5 MB / 267.4 MB, free: 11.05 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009687/0.0009687, allocations: 176 kB / 326.5 MB, free: 2.695 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.777/1.777, allocations: 205 MB / 0.5766 GB, free: 20.99 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008707/0.0008705, allocations: 92.72 kB / 0.6804 GB, free: 14.71 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003108/0.0003108, allocations: 12.72 kB / 0.7938 GB, free: 136.4 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.214/0.2143, allocations: 105.4 MB / 0.8968 GB, free: 68.15 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01459/0.229, allocations: 17.78 MB / 0.9141 GB, free: 50.3 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.00926/0.2383, allocations: 6.954 MB / 0.9209 GB, free: 43.33 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001196/0.2395, allocations: 51.88 kB / 0.921 GB, free: 43.28 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.002626/0.2421, allocations: 1.344 MB / 0.9223 GB, free: 41.93 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.002225/0.2444, allocations: 1.343 MB / 0.9236 GB, free: 40.59 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002367/0.2467, allocations: 1.17 MB / 0.9248 GB, free: 39.41 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.005163/0.2519, allocations: 8.499 MB / 0.9331 GB, free: 30.9 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007593/0.2595, allocations: 7.906 MB / 0.9408 GB, free: 22.89 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003142/0.2627, allocations: 1.716 MB / 0.9425 GB, free: 21.16 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00319/0.2659, allocations: 2.652 MB / 0.945 GB, free: 18.5 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004341/0.2663, allocations: 240 kB / 0.9453 GB, free: 18.27 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002078/0.2684, allocations: 1.178 MB / 0.9464 GB, free: 17.09 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.001279/0.2697, allocations: 1.89 MB / 0.9483 GB, free: 15.2 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001369/0.2711, allocations: 1.769 MB / 0.95 GB, free: 13.42 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.004998/0.2761, allocations: 7.426 MB / 0.9572 GB, free: 5.969 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 4.388e-06/0.2761, allocations: 0 / 0.9572 GB, free: 5.969 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 1.724e-06/0.2761, allocations: 0 / 0.9572 GB, free: 5.969 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0001422/0.2763, allocations: 0 / 0.9572 GB, free: 5.969 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 0.005717/0.282, allocations: 3.102 MB / 0.9603 GB, free: 2.809 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.541e-05/0.2821, allocations: 8.031 kB / 0.9603 GB, free: 2.801 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0107/0.2928, allocations: 2.364 MB / 0.9626 GB, free: 440 kB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004647/0.2974, allocations: 2.155 MB / 0.9647 GB, free: 14.23 MB / 0.6198 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002046/0.2977, allocations: 267.5 kB / 0.965 GB, free: 13.97 MB / 0.6198 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006335/0.2983, allocations: 355.9 kB / 0.9653 GB, free: 13.62 MB / 0.6198 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01337/0.3117, allocations: 7.124 MB / 0.9722 GB, free: 6.395 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.897e-05/0.3118, allocations: 3.906 kB / 0.9723 GB, free: 6.391 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004083/0.3122, allocations: 148 kB / 0.9724 GB, free: 6.246 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004317/0.3126, allocations: 338.1 kB / 0.9727 GB, free: 5.914 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01527/0.3279, allocations: 7.008 MB / 0.9796 GB, free: 14.89 MB / 0.6355 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03199/0.3599, allocations: 26.66 MB / 1.006 GB, free: 2.059 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007603/0.3676, allocations: 4.998 MB / 1.01 GB, free: 12.76 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005451/0.3731, allocations: 2.592 MB / 1.013 GB, free: 10.14 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002339/0.3733, allocations: 131 kB / 1.013 GB, free: 10 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.417e-05/0.3734, allocations: 60.5 kB / 1.013 GB, free: 9.93 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 5.621e-06/0.3734, allocations: 0 / 1.013 GB, free: 9.93 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.conv2.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.conv2.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 0.09634/0.4697, allocations: 31.02 MB / 1.043 GB, free: 10.83 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001323/0.4699, allocations: 247.5 kB / 1.044 GB, free: 10.54 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002179/0.4721, allocations: 1.442 MB / 1.045 GB, free: 9.09 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004937/0.4726, allocations: 65.7 kB / 1.045 GB, free: 9.02 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001121/0.4737, allocations: 1.497 MB / 1.047 GB, free: 7.5 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001135/0.4749, allocations: 0.9204 MB / 1.048 GB, free: 6.566 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000428/0.4753, allocations: 260.4 kB / 1.048 GB, free: 6.305 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0001193/0.4754, allocations: 301.1 kB / 1.048 GB, free: 6.008 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005637/0.4811, allocations: 2.656 MB / 1.051 GB, free: 3.348 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.4344/0.9155, allocations: 3.55 MB / 1.054 GB, free: 141 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01308/0.9286, allocations: 6.389 MB / 1.06 GB, free: 139.9 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.751e-05/0.9287, allocations: 7.125 kB / 1.06 GB, free: 139.9 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.conv2.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.conv2.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 0.03062/0.9593, allocations: 11.02 MB / 1.071 GB, free: 138.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004986/0.9599, allocations: 0.8667 MB / 1.072 GB, free: 137.1 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.461e-05/0.9599, allocations: 28.47 kB / 1.072 GB, free: 137.1 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02016/0.9801, allocations: 5.905 MB / 1.078 GB, free: 136.4 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00395/0.9841, allocations: 0.9844 MB / 1.079 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03452/1.019, allocations: 25.91 MB / 1.104 GB, free: 116.7 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004016/1.023, allocations: 0.5511 MB / 1.105 GB, free: 116.1 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002941/1.023, allocations: 152 kB / 1.105 GB, free: 116 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.127e-05/1.023, allocations: 6.188 kB / 1.105 GB, free: 116 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 0.005672/1.029, allocations: 3.095 MB / 1.108 GB, free: 112.8 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated