Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo", uses=false)
Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008697/0.0008697, allocations: 91.06 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005559/0.005559, allocations: 172.5 kB / 16.26 MB, free: 6.613 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.261/1.261, allocations: 223.3 MB / 240.3 MB, free: 5.324 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.467/2.467, allocations: 462.6 MB / 0.7364 GB, free: 15.59 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003061/0.0003062, allocations: 9.375 kB / 0.9029 GB, free: 36.44 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2325/0.2329, allocations: 159.6 MB / 1.059 GB, free: 4.863 MB / 0.8106 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01787/0.2507, allocations: 17.57 MB / 1.076 GB, free: 3.23 MB / 0.8262 GB
Notification: Performance of NFInst.instExpressions: time 0.009196/0.26, allocations: 6.777 MB / 1.083 GB, free: 12.44 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001005/0.261, allocations: 47.81 kB / 1.083 GB, free: 12.39 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008282/0.2618, allocations: 373.3 kB / 1.083 GB, free: 12.02 MB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.002662/0.2645, allocations: 1.359 MB / 1.084 GB, free: 10.66 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001985/0.2665, allocations: 0.9895 MB / 1.085 GB, free: 9.672 MB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.00699/0.2735, allocations: 8.51 MB / 1.094 GB, free: 1.145 MB / 0.8419 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009923/0.2834, allocations: 8.343 MB / 1.102 GB, free: 8.703 MB / 0.8575 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001915/0.2853, allocations: 1.662 MB / 1.103 GB, free: 7.035 MB / 0.8575 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002879/0.2882, allocations: 2.648 MB / 1.106 GB, free: 4.379 MB / 0.8575 GB
Notification: Performance of NFPackage.collectConstants: time 0.0003383/0.2886, allocations: 240 kB / 1.106 GB, free: 4.145 MB / 0.8575 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001702/0.2903, allocations: 1.174 MB / 1.107 GB, free: 2.969 MB / 0.8575 GB
Notification: Performance of NFScalarize.scalarize: time 0.001451/0.2917, allocations: 1.886 MB / 1.109 GB, free: 1.078 MB / 0.8575 GB
Notification: Performance of NFVerifyModel.verify: time 0.001463/0.2932, allocations: 1.802 MB / 1.111 GB, free: 15.26 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.005334/0.2986, allocations: 7.434 MB / 1.118 GB, free: 7.805 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 2.866e-06/0.2986, allocations: 0 / 1.118 GB, free: 7.805 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 1.563e-06/0.2986, allocations: 0 / 1.118 GB, free: 7.805 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 4.305e-05/0.2986, allocations: 0 / 1.118 GB, free: 7.805 MB / 0.8731 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 0.005115/0.3037, allocations: 3.105 MB / 1.121 GB, free: 4.641 MB / 0.8731 GB
Notification: Performance of prepare preOptimizeDAE: time 3.524e-05/0.3038, allocations: 11.97 kB / 1.121 GB, free: 4.629 MB / 0.8731 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006427/0.3044, allocations: 0.5426 MB / 1.122 GB, free: 4.078 MB / 0.8731 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01204/0.3165, allocations: 2.427 MB / 1.124 GB, free: 1.645 MB / 0.8731 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003105/0.3196, allocations: 2.163 MB / 1.126 GB, free: 15.44 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001687/0.3198, allocations: 275.2 kB / 1.127 GB, free: 15.17 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005774/0.3204, allocations: 348 kB / 1.127 GB, free: 14.83 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01139/0.3318, allocations: 7.155 MB / 1.134 GB, free: 7.57 MB / 0.8887 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.033e-05/0.3318, allocations: 7.938 kB / 1.134 GB, free: 7.562 MB / 0.8887 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004019/0.3322, allocations: 152 kB / 1.134 GB, free: 7.414 MB / 0.8887 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004085/0.3327, allocations: 330.1 kB / 1.134 GB, free: 7.09 MB / 0.8887 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01337/0.346, allocations: 7.051 MB / 1.141 GB, free: 28 kB / 0.8887 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 0.02578/0.3718, allocations: 26.78 MB / 1.167 GB, free: 3.055 MB / 0.92 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007546/0.3794, allocations: 4.996 MB / 1.172 GB, free: 13.75 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005402/0.3848, allocations: 2.592 MB / 1.175 GB, free: 11.14 MB / 0.9356 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001842/0.385, allocations: 127 kB / 1.175 GB, free: 11 MB / 0.9356 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.023e-05/0.385, allocations: 68.48 kB / 1.175 GB, free: 10.92 MB / 0.9356 GB
Notification: Performance of pre-optimization done (n=208): time 3.396e-06/0.3851, allocations: 7.938 kB / 1.175 GB, free: 10.91 MB / 0.9356 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 0.09859/0.4837, allocations: 31.02 MB / 1.205 GB, free: 11.8 MB / 0.9669 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001017/0.4838, allocations: 239.6 kB / 1.205 GB, free: 11.52 MB / 0.9669 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001779/0.4856, allocations: 1.473 MB / 1.207 GB, free: 10.04 MB / 0.9669 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002038/0.4858, allocations: 65.7 kB / 1.207 GB, free: 9.969 MB / 0.9669 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008364/0.4866, allocations: 1.501 MB / 1.208 GB, free: 8.449 MB / 0.9669 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007127/0.4873, allocations: 0.9242 MB / 1.209 GB, free: 7.512 MB / 0.9669 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004081/0.4878, allocations: 260.4 kB / 1.21 GB, free: 7.25 MB / 0.9669 GB
Notification: Performance of setup shared object (initialization): time 8.95e-05/0.4878, allocations: 305.1 kB / 1.21 GB, free: 6.949 MB / 0.9669 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005496/0.4933, allocations: 2.676 MB / 1.212 GB, free: 4.27 MB / 0.9669 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006042/0.4994, allocations: 3.571 MB / 1.216 GB, free: 324 kB / 0.9669 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01156/0.511, allocations: 6.399 MB / 1.222 GB, free: 9.52 MB / 0.9825 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.137e-05/0.511, allocations: 8 kB / 1.222 GB, free: 9.512 MB / 0.9825 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 0.02657/0.5376, allocations: 11.1 MB / 1.233 GB, free: 14.31 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004993/0.5381, allocations: 0.8627 MB / 1.234 GB, free: 13.07 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.953e-05/0.5381, allocations: 28 kB / 1.234 GB, free: 13.04 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02076/0.5589, allocations: 5.965 MB / 1.24 GB, free: 7.059 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003835/0.5627, allocations: 0.9906 MB / 1.241 GB, free: 6.066 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4328/0.9955, allocations: 25.93 MB / 1.266 GB, free: 163.6 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004451/1, allocations: 0.5719 MB / 1.267 GB, free: 163.6 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003448/1, allocations: 154.6 kB / 1.267 GB, free: 163.6 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 8.617e-06/1, allocations: 7.844 kB / 1.267 GB, free: 163.6 MB / 0.9981 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 0.006795/1.007, allocations: 3.118 MB / 1.27 GB, free: 163.4 MB / 0.9981 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated