Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.354/2.354, allocations: 251.3 MB / 266.2 MB, free: 11.53 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001373/0.001372, allocations: 173 kB / 325.8 MB, free: 2.801 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.543/2.543, allocations: 205.4 MB / 0.5767 GB, free: 20.79 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009729/0.0009724, allocations: 100.3 kB / 0.6813 GB, free: 13.57 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004704/0.0004706, allocations: 15 kB / 0.7953 GB, free: 135.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2132/0.2137, allocations: 106.3 MB / 0.8991 GB, free: 65.39 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02429/0.2381, allocations: 16.47 MB / 0.9152 GB, free: 48.87 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01377/0.2519, allocations: 6.485 MB / 0.9215 GB, free: 42.36 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002064/0.254, allocations: 43.88 kB / 0.9215 GB, free: 42.32 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001743/0.2558, allocations: 369.3 kB / 0.9219 GB, free: 41.96 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.004432/0.2603, allocations: 1.125 MB / 0.923 GB, free: 40.83 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003477/0.2639, allocations: 0.7658 MB / 0.9237 GB, free: 40.06 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.008398/0.2723, allocations: 6.477 MB / 0.9301 GB, free: 33.57 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01529/0.2876, allocations: 7.692 MB / 0.9376 GB, free: 25.8 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003739/0.2914, allocations: 1.693 MB / 0.9392 GB, free: 24.11 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005326/0.2968, allocations: 2.602 MB / 0.9418 GB, free: 21.5 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001254/0.2981, allocations: 236 kB / 0.942 GB, free: 21.27 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003154/0.3013, allocations: 0.6868 MB / 0.9427 GB, free: 20.58 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003744/0.3051, allocations: 1.879 MB / 0.9445 GB, free: 18.7 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.002101/0.3073, allocations: 0.6875 MB / 0.9452 GB, free: 18 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.009392/0.3167, allocations: 6.417 MB / 0.9514 GB, free: 11.57 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 8.346e-06/0.3168, allocations: 0 / 0.9514 GB, free: 11.57 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.116e-06/0.3168, allocations: 0 / 0.9514 GB, free: 11.57 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002501/0.3171, allocations: 0 / 0.9514 GB, free: 11.57 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 0.01134/0.3284, allocations: 3.101 MB / 0.9545 GB, free: 8.406 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.583e-05/0.3285, allocations: 12.03 kB / 0.9545 GB, free: 8.395 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02229/0.3508, allocations: 2.349 MB / 0.9568 GB, free: 6.039 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006849/0.3577, allocations: 2.124 MB / 0.9588 GB, free: 3.871 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003267/0.3581, allocations: 263.4 kB / 0.9591 GB, free: 3.613 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001708/0.3598, allocations: 355.8 kB / 0.9594 GB, free: 3.266 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0263/0.3861, allocations: 7.068 MB / 0.9663 GB, free: 12.1 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001927/0.3864, allocations: 3.938 kB / 0.9663 GB, free: 12.09 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001629/0.388, allocations: 144 kB / 0.9665 GB, free: 11.95 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009233/0.389, allocations: 334 kB / 0.9668 GB, free: 11.62 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03025/0.4193, allocations: 6.961 MB / 0.9736 GB, free: 4.648 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05834/0.4777, allocations: 26.58 MB / 0.9995 GB, free: 7.895 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01559/0.4933, allocations: 4.998 MB / 1.004 GB, free: 2.586 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01126/0.5046, allocations: 2.6 MB / 1.007 GB, free: 15.96 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000502/0.5052, allocations: 127 kB / 1.007 GB, free: 15.82 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.127e-05/0.5053, allocations: 64.56 kB / 1.007 GB, free: 15.75 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 8.636e-06/0.5053, allocations: 0 / 1.007 GB, free: 15.75 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 0.2094/0.7147, allocations: 30.91 MB / 1.037 GB, free: 0.7578 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001732/0.7149, allocations: 243.6 kB / 1.038 GB, free: 484 kB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003204/0.7181, allocations: 1.392 MB / 1.039 GB, free: 15.07 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006969/0.7188, allocations: 69.7 kB / 1.039 GB, free: 15 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001558/0.7204, allocations: 1.482 MB / 1.04 GB, free: 13.49 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001727/0.7222, allocations: 0.9203 MB / 1.041 GB, free: 12.56 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004778/0.7227, allocations: 64 kB / 1.041 GB, free: 12.5 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.000359/0.7231, allocations: 440.7 kB / 1.042 GB, free: 12.06 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01136/0.7344, allocations: 2.641 MB / 1.044 GB, free: 9.414 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01241/0.7469, allocations: 3.548 MB / 1.048 GB, free: 5.484 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01254/0.7595, allocations: 3.091 MB / 1.051 GB, free: 2.371 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.712e-05/0.7596, allocations: 8 kB / 1.051 GB, free: 2.363 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 0.6718/1.431, allocations: 10.99 MB / 1.062 GB, free: 137.5 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0009007/1.432, allocations: 0.8676 MB / 1.062 GB, free: 136.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001049/1.432, allocations: 27.09 kB / 1.062 GB, free: 136.5 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06552/1.498, allocations: 5.874 MB / 1.068 GB, free: 136.4 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01101/1.509, allocations: 0.9898 MB / 1.069 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06996/1.579, allocations: 25.85 MB / 1.094 GB, free: 122.9 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007669/1.587, allocations: 0.5597 MB / 1.095 GB, free: 122.7 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008958/1.588, allocations: 156.4 kB / 1.095 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.271e-05/1.588, allocations: 3.875 kB / 1.095 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 0.0122/1.6, allocations: 3.084 MB / 1.098 GB, free: 120.9 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated