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.UnbalancedStepUp.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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.379/2.379, allocations: 251.3 MB / 266.2 MB, free: 11.52 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 0.001352/0.001352, allocations: 183.3 kB / 325.8 MB, free: 2.785 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 2.605/2.605, allocations: 205.4 MB / 0.5767 GB, free: 20.76 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 0.0009118/0.0009113, allocations: 94.09 kB / 0.6812 GB, free: 13.57 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005081/0.0005083, allocations: 9.781 kB / 0.7953 GB, free: 135.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2582/0.2587, allocations: 106.3 MB / 0.8991 GB, free: 65.41 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02448/0.2832, allocations: 16.54 MB / 0.9152 GB, free: 48.81 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.01343/0.2967, allocations: 6.539 MB / 0.9216 GB, free: 42.25 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001862/0.2987, allocations: 43.88 kB / 0.9216 GB, free: 42.21 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.001486/0.3002, allocations: 377.3 kB / 0.922 GB, free: 41.84 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.004159/0.3044, allocations: 1.148 MB / 0.9231 GB, free: 40.68 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003443/0.3079, allocations: 0.768 MB / 0.9239 GB, free: 39.91 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.008129/0.316, allocations: 6.508 MB / 0.9302 GB, free: 33.39 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01489/0.331, allocations: 7.729 MB / 0.9378 GB, free: 25.59 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00354/0.3346, allocations: 1.697 MB / 0.9394 GB, free: 23.89 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005149/0.3398, allocations: 2.614 MB / 0.942 GB, free: 21.27 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001123/0.341, allocations: 236 kB / 0.9422 GB, free: 21.04 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003/0.344, allocations: 0.6907 MB / 0.9429 GB, free: 20.35 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003152/0.3472, allocations: 1.883 MB / 0.9447 GB, free: 18.46 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.001581/0.3488, allocations: 0.6914 MB / 0.9454 GB, free: 17.76 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.008479/0.3573, allocations: 6.448 MB / 0.9517 GB, free: 11.3 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 7.223e-06/0.3574, allocations: 0 / 0.9517 GB, free: 11.3 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 3.066e-06/0.3574, allocations: 0 / 0.9517 GB, free: 11.3 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002215/0.3577, allocations: 0 / 0.9517 GB, free: 11.3 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 0.01074/0.3684, allocations: 3.129 MB / 0.9548 GB, free: 8.109 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.4e-05/0.3685, allocations: 12.02 kB / 0.9548 GB, free: 8.098 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02217/0.3907, allocations: 2.356 MB / 0.9571 GB, free: 5.734 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008459/0.3992, allocations: 2.132 MB / 0.9592 GB, free: 3.555 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004137/0.3996, allocations: 271.5 kB / 0.9594 GB, free: 3.289 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001972/0.4016, allocations: 351.9 kB / 0.9597 GB, free: 2.945 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03337/0.435, allocations: 7.092 MB / 0.9667 GB, free: 11.75 MB / 0.6198 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001498/0.4353, allocations: 7.906 kB / 0.9667 GB, free: 11.75 MB / 0.6198 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001036/0.4363, allocations: 152 kB / 0.9668 GB, free: 11.6 MB / 0.6198 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001157/0.4375, allocations: 334.1 kB / 0.9671 GB, free: 11.27 MB / 0.6198 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04024/0.4777, allocations: 6.981 MB / 0.974 GB, free: 4.273 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06205/0.5399, allocations: 26.67 MB / 1 GB, free: 7.426 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01636/0.5563, allocations: 4.979 MB / 1.005 GB, free: 2.145 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01162/0.568, allocations: 2.604 MB / 1.007 GB, free: 15.52 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004973/0.5685, allocations: 131 kB / 1.008 GB, free: 15.37 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.829e-05/0.5686, allocations: 60.55 kB / 1.008 GB, free: 15.3 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=208): time 6.071e-06/0.5686, allocations: 3.938 kB / 1.008 GB, free: 15.3 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 0.2096/0.7782, allocations: 30.95 MB / 1.038 GB, free: 268 kB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001844/0.7784, allocations: 243.6 kB / 1.038 GB, free: 15.97 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003163/0.7816, allocations: 1.434 MB / 1.039 GB, free: 14.53 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006738/0.7823, allocations: 65.7 kB / 1.04 GB, free: 14.46 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001459/0.7838, allocations: 1.501 MB / 1.041 GB, free: 12.94 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001473/0.7853, allocations: 0.9203 MB / 1.042 GB, free: 12 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004114/0.7857, allocations: 64 kB / 1.042 GB, free: 11.94 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0003183/0.786, allocations: 448.6 kB / 1.042 GB, free: 11.5 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01125/0.7973, allocations: 2.645 MB / 1.045 GB, free: 8.848 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01229/0.8096, allocations: 3.532 MB / 1.048 GB, free: 4.934 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01232/0.822, allocations: 3.099 MB / 1.051 GB, free: 1.812 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.398e-05/0.8221, allocations: 8 kB / 1.051 GB, free: 1.805 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 0.6666/1.489, allocations: 11 MB / 1.062 GB, free: 137.5 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006647/1.489, allocations: 0.8643 MB / 1.063 GB, free: 136.5 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.073e-05/1.489, allocations: 27 kB / 1.063 GB, free: 136.5 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04249/1.532, allocations: 5.88 MB / 1.069 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00835/1.54, allocations: 0.9809 MB / 1.07 GB, free: 136.3 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06878/1.609, allocations: 25.88 MB / 1.095 GB, free: 122.6 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00755/1.617, allocations: 0.5511 MB / 1.096 GB, free: 122.3 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007414/1.618, allocations: 147 kB / 1.096 GB, free: 122.3 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.27e-05/1.618, allocations: 3 kB / 1.096 GB, free: 122.3 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 0.01168/1.629, allocations: 3.102 MB / 1.099 GB, free: 120.2 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated