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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001215/0.001214, allocations: 99.58 kB / 16.02 MB, free: 76 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001179/0.001179, allocations: 181 kB / 16.92 MB, free: 6.918 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 223.3 MB / 241 MB, free: 5.352 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.721/2.721, allocations: 462.7 MB / 0.7371 GB, free: 15.55 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003901/0.0003902, allocations: 11.28 kB / 0.9035 GB, free: 36.55 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3271/0.3275, allocations: 159.6 MB / 1.059 GB, free: 4.914 MB / 0.8106 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02123/0.3488, allocations: 17.56 MB / 1.077 GB, free: 3.289 MB / 0.8262 GB
Notification: Performance of NFInst.instExpressions: time 0.01123/0.3601, allocations: 6.785 MB / 1.083 GB, free: 12.49 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001581/0.3617, allocations: 43.88 kB / 1.083 GB, free: 12.45 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.001123/0.3628, allocations: 381.3 kB / 1.084 GB, free: 12.07 MB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.002971/0.3658, allocations: 1.355 MB / 1.085 GB, free: 10.71 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002295/0.3681, allocations: 0.9934 MB / 1.086 GB, free: 9.719 MB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.008114/0.3762, allocations: 8.514 MB / 1.094 GB, free: 1.188 MB / 0.8419 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01353/0.3898, allocations: 8.332 MB / 1.102 GB, free: 8.762 MB / 0.8575 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003525/0.3933, allocations: 1.662 MB / 1.104 GB, free: 7.094 MB / 0.8575 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004525/0.3979, allocations: 2.656 MB / 1.106 GB, free: 4.43 MB / 0.8575 GB
Notification: Performance of NFPackage.collectConstants: time 0.00123/0.3991, allocations: 236 kB / 1.107 GB, free: 4.199 MB / 0.8575 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003305/0.4025, allocations: 1.178 MB / 1.108 GB, free: 3.02 MB / 0.8575 GB
Notification: Performance of NFScalarize.scalarize: time 0.003213/0.4057, allocations: 1.89 MB / 1.11 GB, free: 1.125 MB / 0.8575 GB
Notification: Performance of NFVerifyModel.verify: time 0.004097/0.4098, allocations: 1.802 MB / 1.111 GB, free: 15.3 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.007719/0.4176, allocations: 6.476 MB / 1.118 GB, free: 8.816 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 4.007e-06/0.4176, allocations: 0 / 1.118 GB, free: 8.816 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 2.505e-06/0.4176, allocations: 0 / 1.118 GB, free: 8.816 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.0002593/0.4179, allocations: 0 / 1.118 GB, free: 8.816 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 0.008885/0.4268, allocations: 3.097 MB / 1.121 GB, free: 5.66 MB / 0.8731 GB
Notification: Performance of prepare preOptimizeDAE: time 4.801e-05/0.4268, allocations: 11.97 kB / 1.121 GB, free: 5.648 MB / 0.8731 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01433/0.4412, allocations: 2.43 MB / 1.123 GB, free: 3.211 MB / 0.8731 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005199/0.4464, allocations: 2.155 MB / 1.125 GB, free: 1.012 MB / 0.8731 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003012/0.4467, allocations: 271.5 kB / 1.126 GB, free: 0.7461 MB / 0.8731 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001471/0.4482, allocations: 351.8 kB / 1.126 GB, free: 412 kB / 0.8731 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01851/0.4667, allocations: 7.159 MB / 1.133 GB, free: 9.141 MB / 0.8887 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001609/0.4669, allocations: 11.94 kB / 1.133 GB, free: 9.129 MB / 0.8887 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001112/0.4681, allocations: 155.9 kB / 1.133 GB, free: 8.977 MB / 0.8887 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005312/0.4686, allocations: 330.1 kB / 1.133 GB, free: 8.652 MB / 0.8887 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01751/0.4861, allocations: 7.051 MB / 1.14 GB, free: 1.59 MB / 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 0.03872/0.5249, allocations: 26.78 MB / 1.166 GB, free: 4.617 MB / 0.92 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009402/0.5343, allocations: 4.996 MB / 1.171 GB, free: 15.32 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006307/0.5407, allocations: 2.592 MB / 1.174 GB, free: 12.7 MB / 0.9356 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003285/0.541, allocations: 131 kB / 1.174 GB, free: 12.56 MB / 0.9356 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.661e-05/0.5411, allocations: 64.56 kB / 1.174 GB, free: 12.48 MB / 0.9356 GB
Notification: Performance of pre-optimization done (n=208): time 8.877e-06/0.5411, allocations: 0 / 1.174 GB, free: 12.48 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 0.1122/0.6533, allocations: 31.03 MB / 1.204 GB, free: 13.37 MB / 0.9669 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001272/0.6535, allocations: 239.6 kB / 1.205 GB, free: 13.09 MB / 0.9669 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002719/0.6562, allocations: 1.469 MB / 1.206 GB, free: 11.61 MB / 0.9669 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005474/0.6568, allocations: 73.7 kB / 1.206 GB, free: 11.53 MB / 0.9669 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001042/0.6579, allocations: 1.497 MB / 1.208 GB, free: 10.01 MB / 0.9669 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001266/0.6591, allocations: 0.9203 MB / 1.208 GB, free: 9.078 MB / 0.9669 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006834/0.6598, allocations: 256.4 kB / 1.209 GB, free: 8.82 MB / 0.9669 GB
Notification: Performance of setup shared object (initialization): time 9.574e-05/0.6599, allocations: 313 kB / 1.209 GB, free: 8.512 MB / 0.9669 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006518/0.6665, allocations: 2.668 MB / 1.212 GB, free: 5.84 MB / 0.9669 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007183/0.6737, allocations: 3.571 MB / 1.215 GB, free: 1.887 MB / 0.9669 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01369/0.6874, allocations: 6.41 MB / 1.221 GB, free: 11.07 MB / 0.9825 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.563e-05/0.6875, allocations: 8 kB / 1.221 GB, free: 11.07 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 0.032/0.7195, allocations: 11.1 MB / 1.232 GB, free: 15.87 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007617/0.7203, allocations: 0.8636 MB / 1.233 GB, free: 14.63 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.176e-05/0.7203, allocations: 28 kB / 1.233 GB, free: 14.61 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02405/0.7444, allocations: 5.961 MB / 1.239 GB, free: 8.629 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004764/0.7492, allocations: 0.9906 MB / 1.24 GB, free: 7.637 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7234/1.473, allocations: 25.92 MB / 1.265 GB, free: 163.4 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005171/1.478, allocations: 0.5745 MB / 1.266 GB, free: 163.4 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008318/1.479, allocations: 152.7 kB / 1.266 GB, free: 163.4 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 1.498e-05/1.479, allocations: 7.438 kB / 1.266 GB, free: 163.4 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 0.01/1.489, allocations: 3.122 MB / 1.269 GB, free: 163.3 MB / 0.9981 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated