Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.2-maint.9.1.x/package.mo", uses=false)
Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/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_9_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_9_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 0.0009786/0.0009786, allocations: 92.31 kB / 15.06 MB, free: 1.098 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001138/0.001138, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.516/1.516, allocations: 223.3 MB / 240 MB, free: 5.234 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.498/2.498, allocations: 390.9 MB / 0.666 GB, free: 2.496 MB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003548/0.0003548, allocations: 8 kB / 0.8154 GB, free: 13.63 MB / 0.67 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7624/0.7627, allocations: 142.4 MB / 0.9545 GB, free: 7.723 MB / 0.7169 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01745/0.7802, allocations: 16.58 MB / 0.9707 GB, free: 11.2 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.0124/0.7927, allocations: 6.459 MB / 0.977 GB, free: 6.125 MB / 0.7325 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00189/0.7946, allocations: 44.19 kB / 0.977 GB, free: 6.117 MB / 0.7325 GB
Notification: Performance of NFTyping.typeComponents: time 0.001179/0.7958, allocations: 379.1 kB / 0.9774 GB, free: 5.797 MB / 0.7325 GB
Notification: Performance of NFTyping.typeBindings: time 0.003212/0.799, allocations: 1.131 MB / 0.9785 GB, free: 4.926 MB / 0.7325 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002671/0.8017, allocations: 0.7677 MB / 0.9792 GB, free: 4.367 MB / 0.7325 GB
Notification: Performance of NFFlatten.flatten: time 0.00768/0.8094, allocations: 6.498 MB / 0.9856 GB, free: 15.57 MB / 0.7481 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01223/0.8217, allocations: 7.463 MB / 0.9929 GB, free: 8.051 MB / 0.7481 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004753/0.8265, allocations: 1.705 MB / 0.9945 GB, free: 6.34 MB / 0.7481 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004919/0.8314, allocations: 2.602 MB / 0.9971 GB, free: 3.73 MB / 0.7481 GB
Notification: Performance of NFPackage.collectConstants: time 0.000663/0.8321, allocations: 236 kB / 0.9973 GB, free: 3.5 MB / 0.7481 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002029/0.8341, allocations: 0.6907 MB / 0.998 GB, free: 2.809 MB / 0.7481 GB
Notification: Performance of NFScalarize.scalarize: time 0.002081/0.8362, allocations: 1.883 MB / 0.9998 GB, free: 0.9219 MB / 0.7481 GB
Notification: Performance of NFVerifyModel.verify: time 0.0009839/0.8372, allocations: 0.6953 MB / 1 GB, free: 224 kB / 0.7481 GB
Notification: Performance of NFConvertDAE.convert: time 0.006442/0.8437, allocations: 6.45 MB / 1.007 GB, free: 9.754 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 7.885e-06/0.8437, allocations: 0 / 1.007 GB, free: 9.754 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 3.887e-06/0.8438, allocations: 0 / 1.007 GB, free: 9.754 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.0001824/0.8439, allocations: 3.938 kB / 1.007 GB, free: 9.75 MB / 0.7637 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 0.006501/0.8505, allocations: 3.136 MB / 1.01 GB, free: 6.555 MB / 0.7637 GB
Notification: Performance of prepare preOptimizeDAE: time 4.452e-05/0.8505, allocations: 12.02 kB / 1.01 GB, free: 6.543 MB / 0.7637 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01136/0.8619, allocations: 2.356 MB / 1.012 GB, free: 4.18 MB / 0.7637 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004644/0.8666, allocations: 2.135 MB / 1.014 GB, free: 1.996 MB / 0.7637 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000224/0.8668, allocations: 263.1 kB / 1.014 GB, free: 1.738 MB / 0.7637 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001005/0.8678, allocations: 356 kB / 1.015 GB, free: 1.391 MB / 0.7637 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01493/0.8828, allocations: 7.1 MB / 1.022 GB, free: 10.19 MB / 0.7794 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.865e-05/0.8829, allocations: 11.84 kB / 1.022 GB, free: 10.18 MB / 0.7794 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004407/0.8833, allocations: 144 kB / 1.022 GB, free: 10.04 MB / 0.7794 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005106/0.8838, allocations: 342.1 kB / 1.022 GB, free: 9.703 MB / 0.7794 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01555/0.8994, allocations: 6.977 MB / 1.029 GB, free: 2.711 MB / 0.7794 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 0.03803/0.9375, allocations: 26.71 MB / 1.055 GB, free: 5.816 MB / 0.8106 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008254/0.9458, allocations: 4.969 MB / 1.06 GB, free: 0.5469 MB / 0.8106 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005736/0.9515, allocations: 2.604 MB / 1.063 GB, free: 13.92 MB / 0.8262 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003436/0.9519, allocations: 135 kB / 1.063 GB, free: 13.77 MB / 0.8262 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.137e-05/0.952, allocations: 56.56 kB / 1.063 GB, free: 13.71 MB / 0.8262 GB
Notification: Performance of pre-optimization done (n=208): time 4.038e-06/0.952, allocations: 0 / 1.063 GB, free: 13.71 MB / 0.8262 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 0.101/1.053, allocations: 30.97 MB / 1.093 GB, free: 14.66 MB / 0.8575 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001632/1.053, allocations: 243.5 kB / 1.093 GB, free: 14.37 MB / 0.8575 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002508/1.056, allocations: 1.438 MB / 1.095 GB, free: 12.92 MB / 0.8575 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005778/1.056, allocations: 69.7 kB / 1.095 GB, free: 12.85 MB / 0.8575 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001119/1.057, allocations: 1.493 MB / 1.096 GB, free: 11.33 MB / 0.8575 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001429/1.059, allocations: 0.9242 MB / 1.097 GB, free: 10.39 MB / 0.8575 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004537/1.059, allocations: 68 kB / 1.097 GB, free: 10.33 MB / 0.8575 GB
Notification: Performance of setup shared object (initialization): time 0.0002835/1.06, allocations: 444.6 kB / 1.098 GB, free: 9.887 MB / 0.8575 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005888/1.066, allocations: 2.645 MB / 1.1 GB, free: 7.238 MB / 0.8575 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006936/1.073, allocations: 3.54 MB / 1.104 GB, free: 3.32 MB / 0.8575 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00648/1.079, allocations: 3.095 MB / 1.107 GB, free: 208 kB / 0.8575 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.202e-05/1.079, allocations: 8 kB / 1.107 GB, free: 200 kB / 0.8575 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 0.02722/1.106, allocations: 11 MB / 1.117 GB, free: 5.09 MB / 0.8731 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000685/1.107, allocations: 0.8592 MB / 1.118 GB, free: 3.855 MB / 0.8731 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.25e-05/1.107, allocations: 31.94 kB / 1.118 GB, free: 3.824 MB / 0.8731 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02055/1.128, allocations: 5.879 MB / 1.124 GB, free: 13.93 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004241/1.132, allocations: 0.9908 MB / 1.125 GB, free: 12.94 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04177/1.174, allocations: 25.89 MB / 1.15 GB, free: 2.605 MB / 0.9044 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004916/1.179, allocations: 0.5536 MB / 1.151 GB, free: 2.051 MB / 0.9044 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00079/1.18, allocations: 155.9 kB / 1.151 GB, free: 1.898 MB / 0.9044 GB
Notification: Performance of prepare postOptimizeDAE: time 1.687e-05/1.18, allocations: 4 kB / 1.151 GB, free: 1.895 MB / 0.9044 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 0.007537/1.187, allocations: 3.083 MB / 1.154 GB, free: 14.79 MB / 0.92 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated