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 0.00105/0.001051, allocations: 91.12 kB / 15.06 MB, free: 1.078 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001595/0.001595, allocations: 172.7 kB / 15.95 MB, free: 192 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.568/1.568, allocations: 223.3 MB / 240 MB, free: 5.277 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.886/2.886, allocations: 462.6 MB / 0.736 GB, free: 15.67 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004325/0.0004326, allocations: 11.28 kB / 0.9022 GB, free: 36.57 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3838/0.3843, allocations: 159.6 MB / 1.058 GB, free: 5.246 MB / 0.8106 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01992/0.4043, allocations: 16.58 MB / 1.074 GB, free: 4.613 MB / 0.8262 GB
Notification: Performance of NFInst.instExpressions: time 0.01111/0.4154, allocations: 6.46 MB / 1.081 GB, free: 14.14 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001894/0.4174, allocations: 43.88 kB / 1.081 GB, free: 14.1 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.001137/0.4185, allocations: 369.3 kB / 1.081 GB, free: 13.73 MB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.003399/0.4219, allocations: 1.136 MB / 1.082 GB, free: 12.59 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002487/0.4244, allocations: 0.7731 MB / 1.083 GB, free: 11.82 MB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.008234/0.4327, allocations: 6.497 MB / 1.089 GB, free: 5.309 MB / 0.8419 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01225/0.445, allocations: 7.464 MB / 1.096 GB, free: 13.78 MB / 0.8575 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003511/0.4485, allocations: 1.701 MB / 1.098 GB, free: 12.07 MB / 0.8575 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004905/0.4535, allocations: 2.61 MB / 1.101 GB, free: 9.457 MB / 0.8575 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007291/0.4542, allocations: 236 kB / 1.101 GB, free: 9.227 MB / 0.8575 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002174/0.4564, allocations: 0.6829 MB / 1.102 GB, free: 8.543 MB / 0.8575 GB
Notification: Performance of NFScalarize.scalarize: time 0.00224/0.4587, allocations: 1.89 MB / 1.103 GB, free: 6.648 MB / 0.8575 GB
Notification: Performance of NFVerifyModel.verify: time 0.001101/0.4598, allocations: 0.6992 MB / 1.104 GB, free: 5.941 MB / 0.8575 GB
Notification: Performance of NFConvertDAE.convert: time 0.006909/0.4667, allocations: 6.444 MB / 1.11 GB, free: 15.48 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 6.512e-06/0.4667, allocations: 0 / 1.11 GB, free: 15.48 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 3.166e-06/0.4667, allocations: 0 / 1.11 GB, free: 15.48 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.0002342/0.467, allocations: 3.938 kB / 1.11 GB, free: 15.48 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 0.007576/0.4746, allocations: 3.14 MB / 1.113 GB, free: 12.27 MB / 0.8731 GB
Notification: Performance of prepare preOptimizeDAE: time 5.362e-05/0.4746, allocations: 8.031 kB / 1.113 GB, free: 12.26 MB / 0.8731 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01182/0.4864, allocations: 2.359 MB / 1.116 GB, free: 9.895 MB / 0.8731 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005102/0.4916, allocations: 2.127 MB / 1.118 GB, free: 7.719 MB / 0.8731 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000227/0.4919, allocations: 267.1 kB / 1.118 GB, free: 7.457 MB / 0.8731 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001067/0.4929, allocations: 352 kB / 1.118 GB, free: 7.113 MB / 0.8731 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01542/0.5084, allocations: 7.092 MB / 1.125 GB, free: 15.91 MB / 0.8887 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.159e-05/0.5085, allocations: 7.938 kB / 1.125 GB, free: 15.9 MB / 0.8887 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004391/0.5089, allocations: 151.9 kB / 1.125 GB, free: 15.75 MB / 0.8887 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004563/0.5094, allocations: 334.1 kB / 1.126 GB, free: 15.43 MB / 0.8887 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01569/0.5251, allocations: 6.981 MB / 1.133 GB, free: 8.438 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 0.03825/0.5634, allocations: 26.71 MB / 1.159 GB, free: 11.55 MB / 0.92 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008636/0.5721, allocations: 4.98 MB / 1.164 GB, free: 6.273 MB / 0.92 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005681/0.5778, allocations: 2.608 MB / 1.166 GB, free: 3.637 MB / 0.92 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003169/0.5781, allocations: 127 kB / 1.166 GB, free: 3.492 MB / 0.92 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.829e-05/0.5782, allocations: 64.5 kB / 1.166 GB, free: 3.422 MB / 0.92 GB
Notification: Performance of pre-optimization done (n=208): time 5.24e-06/0.5782, allocations: 0 / 1.166 GB, free: 3.422 MB / 0.92 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 0.1009/0.6791, allocations: 30.97 MB / 1.197 GB, free: 4.367 MB / 0.9512 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000131/0.6793, allocations: 239.6 kB / 1.197 GB, free: 4.082 MB / 0.9512 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002472/0.6818, allocations: 1.442 MB / 1.198 GB, free: 2.633 MB / 0.9512 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005505/0.6824, allocations: 69.7 kB / 1.198 GB, free: 2.559 MB / 0.9512 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001142/0.6835, allocations: 1.497 MB / 1.2 GB, free: 1.043 MB / 0.9512 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00127/0.6848, allocations: 0.9242 MB / 1.201 GB, free: 108 kB / 0.9512 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004227/0.6852, allocations: 68 kB / 1.201 GB, free: 40 kB / 0.9512 GB
Notification: Performance of setup shared object (initialization): time 0.0003097/0.6856, allocations: 436.8 kB / 1.201 GB, free: 15.6 MB / 0.9669 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00577/0.6913, allocations: 2.649 MB / 1.204 GB, free: 12.95 MB / 0.9669 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006447/0.6978, allocations: 3.536 MB / 1.207 GB, free: 9.031 MB / 0.9669 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006336/0.7042, allocations: 3.091 MB / 1.21 GB, free: 5.918 MB / 0.9669 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.964e-05/0.7042, allocations: 8 kB / 1.21 GB, free: 5.91 MB / 0.9669 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 0.02719/0.7314, allocations: 11 MB / 1.221 GB, free: 10.8 MB / 0.9825 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007764/0.7322, allocations: 0.8611 MB / 1.222 GB, free: 9.57 MB / 0.9825 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.424e-05/0.7323, allocations: 31.97 kB / 1.222 GB, free: 9.539 MB / 0.9825 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02151/0.7538, allocations: 5.887 MB / 1.228 GB, free: 3.637 MB / 0.9825 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004259/0.7581, allocations: 0.9906 MB / 1.228 GB, free: 2.645 MB / 0.9825 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7851/1.543, allocations: 25.88 MB / 1.254 GB, free: 162.5 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00399/1.547, allocations: 0.5502 MB / 1.254 GB, free: 162.5 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003479/1.548, allocations: 152.4 kB / 1.254 GB, free: 162.5 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 9.407e-06/1.548, allocations: 4.875 kB / 1.254 GB, free: 162.5 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 0.006153/1.554, allocations: 3.083 MB / 1.257 GB, free: 162.4 MB / 0.9981 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated