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 9.1.2-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.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 0.001001/0.001001, 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 0.001259/0.00126, 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 1.453/1.453, allocations: 223.3 MB / 240 MB, free: 5.434 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 2.639/2.639, allocations: 390.9 MB / 0.666 GB, free: 2.496 MB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003848/0.000385, allocations: 8 kB / 0.8154 GB, free: 13.61 MB / 0.67 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.9086/0.909, allocations: 142.4 MB / 0.9545 GB, free: 7.762 MB / 0.7169 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01998/0.9291, allocations: 16.5 MB / 0.9706 GB, free: 11.3 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.01385/0.943, allocations: 6.429 MB / 0.9769 GB, free: 6.25 MB / 0.7325 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002577/0.9456, allocations: 43.25 kB / 0.9769 GB, free: 6.242 MB / 0.7325 GB
Notification: Performance of NFTyping.typeComponents: time 0.001291/0.9469, allocations: 375.4 kB / 0.9773 GB, free: 5.926 MB / 0.7325 GB
Notification: Performance of NFTyping.typeBindings: time 0.003987/0.9509, allocations: 1.134 MB / 0.9784 GB, free: 5.051 MB / 0.7325 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003057/0.954, allocations: 0.7617 MB / 0.9791 GB, free: 4.496 MB / 0.7325 GB
Notification: Performance of NFFlatten.flatten: time 0.008924/0.9629, allocations: 6.479 MB / 0.9854 GB, free: 15.73 MB / 0.7481 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01211/0.9751, allocations: 7.438 MB / 0.9927 GB, free: 8.219 MB / 0.7481 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004106/0.9792, allocations: 1.705 MB / 0.9944 GB, free: 6.508 MB / 0.7481 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005249/0.9845, allocations: 2.602 MB / 0.9969 GB, free: 3.898 MB / 0.7481 GB
Notification: Performance of NFPackage.collectConstants: time 0.001158/0.9857, allocations: 243.9 kB / 0.9971 GB, free: 3.66 MB / 0.7481 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002725/0.9884, allocations: 0.679 MB / 0.9978 GB, free: 2.98 MB / 0.7481 GB
Notification: Performance of NFScalarize.scalarize: time 0.002896/0.9913, allocations: 1.879 MB / 0.9996 GB, free: 1.098 MB / 0.7481 GB
Notification: Performance of NFVerifyModel.verify: time 0.001502/0.9928, allocations: 0.6914 MB / 1 GB, free: 408 kB / 0.7481 GB
Notification: Performance of NFConvertDAE.convert: time 0.008373/1.001, allocations: 6.403 MB / 1.007 GB, free: 9.98 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 5.811e-06/1.001, allocations: 0 / 1.007 GB, free: 9.98 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 2.384e-06/1.001, allocations: 0 / 1.007 GB, free: 9.98 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.000248/1.002, allocations: 4 kB / 1.007 GB, free: 9.977 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 0.00792/1.009, allocations: 3.105 MB / 1.01 GB, free: 6.812 MB / 0.7637 GB
Notification: Performance of prepare preOptimizeDAE: time 4.257e-05/1.01, allocations: 8.031 kB / 1.01 GB, free: 6.805 MB / 0.7637 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01176/1.021, allocations: 2.336 MB / 1.012 GB, free: 4.461 MB / 0.7637 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005933/1.027, allocations: 2.131 MB / 1.014 GB, free: 2.285 MB / 0.7637 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002979/1.028, allocations: 263.1 kB / 1.014 GB, free: 2.027 MB / 0.7637 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001487/1.029, allocations: 351.9 kB / 1.015 GB, free: 1.684 MB / 0.7637 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01887/1.048, allocations: 7.071 MB / 1.021 GB, free: 10.51 MB / 0.7794 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.162e-05/1.048, allocations: 0 / 1.021 GB, free: 10.51 MB / 0.7794 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005043/1.049, allocations: 144 kB / 1.022 GB, free: 10.37 MB / 0.7794 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005259/1.049, allocations: 342 kB / 1.022 GB, free: 10.04 MB / 0.7794 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01765/1.067, allocations: 6.965 MB / 1.029 GB, free: 3.055 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 0.04364/1.11, allocations: 26.57 MB / 1.055 GB, free: 6.309 MB / 0.8106 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008984/1.12, allocations: 4.975 MB / 1.06 GB, free: 1.031 MB / 0.8106 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005955/1.126, allocations: 2.596 MB / 1.062 GB, free: 14.41 MB / 0.8262 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003633/1.126, allocations: 139 kB / 1.062 GB, free: 14.26 MB / 0.8262 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.44e-05/1.126, allocations: 68.48 kB / 1.062 GB, free: 14.18 MB / 0.8262 GB
Notification: Performance of pre-optimization done (n=208): time 4.218e-06/1.126, allocations: 0 / 1.062 GB, free: 14.18 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 0.1001/1.226, allocations: 30.92 MB / 1.092 GB, free: 15.18 MB / 0.8575 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001482/1.226, allocations: 243.6 kB / 1.093 GB, free: 14.89 MB / 0.8575 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002495/1.229, allocations: 1.392 MB / 1.094 GB, free: 13.49 MB / 0.8575 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005898/1.229, allocations: 73.7 kB / 1.094 GB, free: 13.41 MB / 0.8575 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001191/1.231, allocations: 1.482 MB / 1.096 GB, free: 11.91 MB / 0.8575 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001333/1.232, allocations: 0.9164 MB / 1.096 GB, free: 10.98 MB / 0.8575 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004416/1.232, allocations: 64 kB / 1.097 GB, free: 10.92 MB / 0.8575 GB
Notification: Performance of setup shared object (initialization): time 0.0003093/1.233, allocations: 444.7 kB / 1.097 GB, free: 10.48 MB / 0.8575 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006064/1.239, allocations: 2.641 MB / 1.1 GB, free: 7.832 MB / 0.8575 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006724/1.246, allocations: 3.54 MB / 1.103 GB, free: 3.914 MB / 0.8575 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006706/1.252, allocations: 3.095 MB / 1.106 GB, free: 0.7969 MB / 0.8575 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.004e-05/1.252, allocations: 12 kB / 1.106 GB, free: 0.7852 MB / 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 0.02781/1.28, allocations: 10.99 MB / 1.117 GB, free: 5.688 MB / 0.8731 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0009619/1.281, allocations: 0.8588 MB / 1.118 GB, free: 4.453 MB / 0.8731 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.162e-05/1.281, allocations: 31.94 kB / 1.118 GB, free: 4.422 MB / 0.8731 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01996/1.301, allocations: 5.887 MB / 1.123 GB, free: 14.52 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004229/1.306, allocations: 0.9867 MB / 1.124 GB, free: 13.53 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04137/1.347, allocations: 25.88 MB / 1.15 GB, free: 3.215 MB / 0.9044 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004295/1.351, allocations: 0.5536 MB / 1.15 GB, free: 2.66 MB / 0.9044 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007266/1.352, allocations: 159.9 kB / 1.15 GB, free: 2.504 MB / 0.9044 GB
Notification: Performance of prepare postOptimizeDAE: time 1.362e-05/1.352, allocations: 4 kB / 1.15 GB, free: 2.5 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 0.007735/1.36, allocations: 3.083 MB / 1.153 GB, free: 15.39 MB / 0.92 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated