Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 9.1.3-maint.9.1.x/package.mo", uses=false)
Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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.BalancedStepDown.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.BalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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.BalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007827/0.0007824, allocations: 94.28 kB / 15.37 MB, free: 0.7266 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008926/0.0008926, allocations: 176.8 kB / 16.27 MB, free: 6.672 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.48/1.48, allocations: 223.3 MB / 240.3 MB, free: 5.344 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.529/2.529, allocations: 390.9 MB / 0.6663 GB, free: 2.355 MB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005638/0.0005641, allocations: 8 kB / 0.816 GB, free: 13.22 MB / 0.67 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.848/0.8486, allocations: 142.4 MB / 0.9551 GB, free: 7.656 MB / 0.7169 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02063/0.8693, allocations: 17.47 MB / 0.9722 GB, free: 10.38 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.01489/0.8842, allocations: 6.764 MB / 0.9788 GB, free: 5.086 MB / 0.7325 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002725/0.887, allocations: 44.38 kB / 0.9788 GB, free: 5.078 MB / 0.7325 GB
Notification: Performance of NFTyping.typeComponents: time 0.001869/0.8889, allocations: 374.1 kB / 0.9792 GB, free: 4.762 MB / 0.7325 GB
Notification: Performance of NFTyping.typeBindings: time 0.004987/0.8939, allocations: 1.346 MB / 0.9805 GB, free: 3.711 MB / 0.7325 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003621/0.8976, allocations: 0.9795 MB / 0.9814 GB, free: 2.953 MB / 0.7325 GB
Notification: Performance of NFFlatten.flatten: time 0.01012/0.9077, allocations: 8.483 MB / 0.9897 GB, free: 11.82 MB / 0.7481 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01499/0.9227, allocations: 8.319 MB / 0.9978 GB, free: 3.406 MB / 0.7481 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004043/0.9268, allocations: 1.658 MB / 0.9995 GB, free: 1.742 MB / 0.7481 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005226/0.9321, allocations: 2.644 MB / 1.002 GB, free: 15.09 MB / 0.7637 GB
Notification: Performance of NFPackage.collectConstants: time 0.001337/0.9335, allocations: 236 kB / 1.002 GB, free: 14.86 MB / 0.7637 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003667/0.9372, allocations: 1.154 MB / 1.003 GB, free: 13.7 MB / 0.7637 GB
Notification: Performance of NFScalarize.scalarize: time 0.003925/0.9411, allocations: 1.894 MB / 1.005 GB, free: 11.8 MB / 0.7637 GB
Notification: Performance of NFVerifyModel.verify: time 0.004448/0.9456, allocations: 1.782 MB / 1.007 GB, free: 10.01 MB / 0.7637 GB
Notification: Performance of NFConvertDAE.convert: time 0.01053/0.9561, allocations: 7.389 MB / 1.014 GB, free: 2.598 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 5.631e-06/0.9562, allocations: 0 / 1.014 GB, free: 2.598 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 2.144e-06/0.9562, allocations: 0 / 1.014 GB, free: 2.598 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.0002863/0.9565, allocations: 0 / 1.014 GB, free: 2.598 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01022/0.9667, allocations: 3.066 MB / 1.017 GB, free: 15.47 MB / 0.7794 GB
Notification: Performance of prepare preOptimizeDAE: time 5.232e-05/0.9668, allocations: 8.031 kB / 1.017 GB, free: 15.46 MB / 0.7794 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01427/0.981, allocations: 2.407 MB / 1.02 GB, free: 13.05 MB / 0.7794 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007163/0.9883, allocations: 2.151 MB / 1.022 GB, free: 10.86 MB / 0.7794 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003342/0.9886, allocations: 271.4 kB / 1.022 GB, free: 10.59 MB / 0.7794 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001676/0.9903, allocations: 347.9 kB / 1.022 GB, free: 10.25 MB / 0.7794 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01623/1.007, allocations: 7.13 MB / 1.029 GB, free: 3.02 MB / 0.7794 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.716e-05/1.007, allocations: 4 kB / 1.029 GB, free: 3.016 MB / 0.7794 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004538/1.007, allocations: 152 kB / 1.029 GB, free: 2.867 MB / 0.7794 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004842/1.008, allocations: 330 kB / 1.03 GB, free: 2.543 MB / 0.7794 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01692/1.025, allocations: 7.039 MB / 1.037 GB, free: 11.49 MB / 0.795 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 0.03636/1.061, allocations: 26.66 MB / 1.063 GB, free: 14.66 MB / 0.8262 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008823/1.07, allocations: 4.991 MB / 1.067 GB, free: 9.352 MB / 0.8262 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006044/1.076, allocations: 2.592 MB / 1.07 GB, free: 6.742 MB / 0.8262 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002656/1.076, allocations: 131 kB / 1.07 GB, free: 6.598 MB / 0.8262 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.754e-05/1.076, allocations: 68.44 kB / 1.07 GB, free: 6.52 MB / 0.8262 GB
Notification: Performance of pre-optimization done (n=208): time 3.967e-06/1.076, allocations: 0 / 1.07 GB, free: 6.52 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 0.1064/1.183, allocations: 30.98 MB / 1.1 GB, free: 7.461 MB / 0.8575 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002052/1.183, allocations: 243.6 kB / 1.101 GB, free: 7.176 MB / 0.8575 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002834/1.186, allocations: 1.431 MB / 1.102 GB, free: 5.734 MB / 0.8575 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006358/1.186, allocations: 65.7 kB / 1.102 GB, free: 5.664 MB / 0.8575 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00112/1.188, allocations: 1.489 MB / 1.104 GB, free: 4.152 MB / 0.8575 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001132/1.189, allocations: 0.9204 MB / 1.104 GB, free: 3.219 MB / 0.8575 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004658/1.189, allocations: 256.4 kB / 1.105 GB, free: 2.961 MB / 0.8575 GB
Notification: Performance of setup shared object (initialization): time 0.0001119/1.189, allocations: 301.1 kB / 1.105 GB, free: 2.664 MB / 0.8575 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006259/1.196, allocations: 2.684 MB / 1.108 GB, free: 15.98 MB / 0.8731 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006936/1.203, allocations: 3.567 MB / 1.111 GB, free: 12.04 MB / 0.8731 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01301/1.216, allocations: 6.414 MB / 1.117 GB, free: 5.223 MB / 0.8731 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.787e-05/1.216, allocations: 12 kB / 1.117 GB, free: 5.211 MB / 0.8731 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 0.02984/1.245, allocations: 11.09 MB / 1.128 GB, free: 10.01 MB / 0.8887 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000854/1.246, allocations: 0.8554 MB / 1.129 GB, free: 8.777 MB / 0.8887 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.872e-05/1.246, allocations: 28 kB / 1.129 GB, free: 8.75 MB / 0.8887 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02304/1.269, allocations: 5.969 MB / 1.135 GB, free: 2.766 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004682/1.274, allocations: 0.9984 MB / 1.136 GB, free: 1.766 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04345/1.318, allocations: 25.95 MB / 1.161 GB, free: 7.383 MB / 0.92 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005054/1.323, allocations: 0.573 MB / 1.162 GB, free: 6.809 MB / 0.92 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005099/1.323, allocations: 152 kB / 1.162 GB, free: 6.66 MB / 0.92 GB
Notification: Performance of prepare postOptimizeDAE: time 1.38e-05/1.323, allocations: 4 kB / 1.162 GB, free: 6.656 MB / 0.92 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 0.007797/1.331, allocations: 3.118 MB / 1.165 GB, free: 3.512 MB / 0.92 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated