Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_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 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_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 0.001078/0.001078, allocations: 90.67 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 0.007215/0.007215, allocations: 170.8 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 1.479/1.479, allocations: 223.3 MB / 240.3 MB, free: 5.332 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.813/2.813, allocations: 473.4 MB / 0.7469 GB, free: 6.102 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003619/0.0003619, allocations: 14.44 kB / 0.9158 GB, free: 33.09 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3299/0.3303, allocations: 162.2 MB / 1.074 GB, free: 7.539 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01933/0.3497, allocations: 17.56 MB / 1.091 GB, free: 5.914 MB / 0.8419 GB
Notification: Performance of NFInst.instExpressions: time 0.01118/0.3609, allocations: 6.793 MB / 1.098 GB, free: 15.11 MB / 0.8575 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001612/0.3625, allocations: 47.88 kB / 1.098 GB, free: 15.06 MB / 0.8575 GB
Notification: Performance of NFTyping.typeComponents: time 0.001005/0.3636, allocations: 373.3 kB / 1.098 GB, free: 14.69 MB / 0.8575 GB
Notification: Performance of NFTyping.typeBindings: time 0.003123/0.3667, allocations: 1.347 MB / 1.1 GB, free: 13.34 MB / 0.8575 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002303/0.369, allocations: 0.9906 MB / 1.101 GB, free: 12.35 MB / 0.8575 GB
Notification: Performance of NFFlatten.flatten: time 0.007962/0.377, allocations: 8.522 MB / 1.109 GB, free: 3.809 MB / 0.8575 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0118/0.3888, allocations: 8.327 MB / 1.117 GB, free: 11.39 MB / 0.8731 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002942/0.3918, allocations: 1.666 MB / 1.119 GB, free: 9.715 MB / 0.8731 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003755/0.3955, allocations: 2.656 MB / 1.121 GB, free: 7.051 MB / 0.8731 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004921/0.3961, allocations: 236 kB / 1.122 GB, free: 6.82 MB / 0.8731 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002182/0.3982, allocations: 1.17 MB / 1.123 GB, free: 5.648 MB / 0.8731 GB
Notification: Performance of NFScalarize.scalarize: time 0.001822/0.4001, allocations: 1.89 MB / 1.125 GB, free: 3.754 MB / 0.8731 GB
Notification: Performance of NFVerifyModel.verify: time 0.002012/0.4021, allocations: 1.813 MB / 1.126 GB, free: 1.926 MB / 0.8731 GB
Notification: Performance of NFConvertDAE.convert: time 0.00703/0.4091, allocations: 7.422 MB / 1.134 GB, free: 10.48 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 4.418e-06/0.4092, allocations: 0 / 1.134 GB, free: 10.48 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 2.074e-06/0.4092, allocations: 0 / 1.134 GB, free: 10.48 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0001496/0.4093, allocations: 0 / 1.134 GB, free: 10.48 MB / 0.8887 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 0.007173/0.4165, allocations: 3.109 MB / 1.137 GB, free: 7.312 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.504e-05/0.4166, allocations: 12.03 kB / 1.137 GB, free: 7.301 MB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01381/0.4304, allocations: 2.419 MB / 1.139 GB, free: 4.875 MB / 0.8887 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004406/0.4348, allocations: 2.167 MB / 1.141 GB, free: 2.664 MB / 0.8887 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000237/0.4351, allocations: 271.5 kB / 1.141 GB, free: 2.398 MB / 0.8887 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009901/0.4361, allocations: 347.9 kB / 1.142 GB, free: 2.059 MB / 0.8887 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01476/0.4508, allocations: 7.159 MB / 1.149 GB, free: 10.8 MB / 0.9044 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.399e-05/0.4509, allocations: 3.938 kB / 1.149 GB, free: 10.79 MB / 0.9044 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004321/0.4514, allocations: 152 kB / 1.149 GB, free: 10.64 MB / 0.9044 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004756/0.4519, allocations: 334.1 kB / 1.149 GB, free: 10.32 MB / 0.9044 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01592/0.4678, allocations: 7.055 MB / 1.156 GB, free: 3.25 MB / 0.9044 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 0.03185/0.4997, allocations: 26.78 MB / 1.182 GB, free: 6.281 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008307/0.508, allocations: 4.996 MB / 1.187 GB, free: 0.9766 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006008/0.514, allocations: 2.6 MB / 1.19 GB, free: 14.35 MB / 0.9512 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002378/0.5143, allocations: 131 kB / 1.19 GB, free: 14.21 MB / 0.9512 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.514e-05/0.5144, allocations: 56.56 kB / 1.19 GB, free: 14.14 MB / 0.9512 GB
Notification: Performance of pre-optimization done (n=208): time 6.492e-06/0.5144, allocations: 0 / 1.19 GB, free: 14.14 MB / 0.9512 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 0.1088/0.6232, allocations: 31.04 MB / 1.22 GB, free: 15.03 MB / 0.9825 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001283/0.6233, allocations: 247.5 kB / 1.22 GB, free: 14.74 MB / 0.9825 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002352/0.6257, allocations: 1.465 MB / 1.222 GB, free: 13.27 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005657/0.6263, allocations: 69.7 kB / 1.222 GB, free: 13.19 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0011/0.6274, allocations: 1.501 MB / 1.223 GB, free: 11.67 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001031/0.6284, allocations: 0.9126 MB / 1.224 GB, free: 10.74 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004427/0.6288, allocations: 256.4 kB / 1.224 GB, free: 10.48 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001003/0.629, allocations: 309.1 kB / 1.225 GB, free: 10.18 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005902/0.6349, allocations: 2.676 MB / 1.227 GB, free: 7.5 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006422/0.6413, allocations: 3.567 MB / 1.231 GB, free: 3.555 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0125/0.6538, allocations: 6.406 MB / 1.237 GB, free: 12.75 MB / 0.9981 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.133e-05/0.6539, allocations: 8 kB / 1.237 GB, free: 12.74 MB / 0.9981 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 0.0292/0.6831, allocations: 11.1 MB / 1.248 GB, free: 1.539 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006864/0.6838, allocations: 0.867 MB / 1.249 GB, free: 304 kB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.671e-05/0.6838, allocations: 24 kB / 1.249 GB, free: 280 kB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.7412/1.425, allocations: 5.965 MB / 1.255 GB, free: 161.2 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004581/1.43, allocations: 0.9858 MB / 1.256 GB, free: 161.2 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04359/1.473, allocations: 25.95 MB / 1.281 GB, free: 150 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005276/1.479, allocations: 0.5722 MB / 1.281 GB, free: 150 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006349/1.479, allocations: 155.4 kB / 1.282 GB, free: 149.9 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 1.616e-05/1.479, allocations: 8.938 kB / 1.282 GB, free: 149.9 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 0.00772/1.487, allocations: 3.116 MB / 1.285 GB, free: 148.8 MB / 0.9981 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated