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 0.0009284/0.0009285, allocations: 98.88 kB / 16.02 MB, free: 76 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001315/0.001315, allocations: 181.8 kB / 16.92 MB, free: 6.918 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.477/1.477, allocations: 223.3 MB / 241 MB, free: 5.25 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 2.467/2.467, allocations: 390.9 MB / 0.667 GB, free: 2.418 MB / 0.5137 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003328/0.0003328, allocations: 8 kB / 0.8167 GB, free: 13.26 MB / 0.67 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7014/0.7018, allocations: 142.4 MB / 0.9557 GB, free: 7.758 MB / 0.7169 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01988/0.7217, allocations: 17.48 MB / 0.9728 GB, free: 10.48 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.01351/0.7353, allocations: 6.756 MB / 0.9794 GB, free: 5.191 MB / 0.7325 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002361/0.7377, allocations: 43.88 kB / 0.9795 GB, free: 5.184 MB / 0.7325 GB
Notification: Performance of NFTyping.typeComponents: time 0.001647/0.7393, allocations: 382 kB / 0.9798 GB, free: 4.859 MB / 0.7325 GB
Notification: Performance of NFTyping.typeBindings: time 0.004551/0.7439, allocations: 1.339 MB / 0.9811 GB, free: 3.816 MB / 0.7325 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003604/0.7476, allocations: 0.9789 MB / 0.9821 GB, free: 3.059 MB / 0.7325 GB
Notification: Performance of NFFlatten.flatten: time 0.009874/0.7574, allocations: 8.492 MB / 0.9904 GB, free: 11.86 MB / 0.7481 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01503/0.7725, allocations: 8.316 MB / 0.9985 GB, free: 3.445 MB / 0.7481 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003937/0.7765, allocations: 1.65 MB / 1 GB, free: 1.789 MB / 0.7481 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005285/0.7818, allocations: 2.648 MB / 1.003 GB, free: 15.13 MB / 0.7637 GB
Notification: Performance of NFPackage.collectConstants: time 0.001426/0.7833, allocations: 239.9 kB / 1.003 GB, free: 14.9 MB / 0.7637 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003687/0.787, allocations: 1.162 MB / 1.004 GB, free: 13.73 MB / 0.7637 GB
Notification: Performance of NFScalarize.scalarize: time 0.003701/0.7907, allocations: 1.887 MB / 1.006 GB, free: 11.84 MB / 0.7637 GB
Notification: Performance of NFVerifyModel.verify: time 0.003877/0.7946, allocations: 1.786 MB / 1.008 GB, free: 10.04 MB / 0.7637 GB
Notification: Performance of NFConvertDAE.convert: time 0.007951/0.8026, allocations: 6.446 MB / 1.014 GB, free: 3.582 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 5.501e-06/0.8026, allocations: 0 / 1.014 GB, free: 3.582 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 2.255e-06/0.8026, allocations: 0 / 1.014 GB, free: 3.582 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.0002391/0.8029, allocations: 0 / 1.014 GB, free: 3.582 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 0.008706/0.8116, allocations: 3.058 MB / 1.017 GB, free: 476 kB / 0.7637 GB
Notification: Performance of prepare preOptimizeDAE: time 4.596e-05/0.8117, allocations: 12.03 kB / 1.017 GB, free: 464 kB / 0.7637 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01425/0.8259, allocations: 2.411 MB / 1.019 GB, free: 14.04 MB / 0.7794 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005052/0.831, allocations: 2.155 MB / 1.021 GB, free: 11.84 MB / 0.7794 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003819/0.8314, allocations: 263.4 kB / 1.022 GB, free: 11.58 MB / 0.7794 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001804/0.8333, allocations: 351.9 kB / 1.022 GB, free: 11.23 MB / 0.7794 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0192/0.8525, allocations: 7.13 MB / 1.029 GB, free: 4.004 MB / 0.7794 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001654/0.8527, allocations: 0 / 1.029 GB, free: 4.004 MB / 0.7794 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001469/0.8542, allocations: 155.9 kB / 1.029 GB, free: 3.852 MB / 0.7794 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006336/0.8548, allocations: 334 kB / 1.029 GB, free: 3.523 MB / 0.7794 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01911/0.874, allocations: 7.031 MB / 1.036 GB, free: 12.48 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 0.03979/0.9138, allocations: 26.67 MB / 1.062 GB, free: 15.64 MB / 0.8262 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009435/0.9233, allocations: 4.987 MB / 1.067 GB, free: 10.34 MB / 0.8262 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006496/0.9298, allocations: 2.596 MB / 1.07 GB, free: 7.723 MB / 0.8262 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003194/0.9302, allocations: 131 kB / 1.07 GB, free: 7.578 MB / 0.8262 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.127e-05/0.9302, allocations: 64.48 kB / 1.07 GB, free: 7.504 MB / 0.8262 GB
Notification: Performance of pre-optimization done (n=208): time 6.382e-06/0.9302, allocations: 7.984 kB / 1.07 GB, free: 7.496 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 0.1144/1.045, allocations: 30.97 MB / 1.1 GB, free: 8.449 MB / 0.8575 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001394/1.045, allocations: 239.6 kB / 1.1 GB, free: 8.168 MB / 0.8575 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002515/1.047, allocations: 1.427 MB / 1.102 GB, free: 6.73 MB / 0.8575 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006002/1.048, allocations: 69.7 kB / 1.102 GB, free: 6.656 MB / 0.8575 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001127/1.049, allocations: 1.485 MB / 1.103 GB, free: 5.148 MB / 0.8575 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001323/1.05, allocations: 0.9243 MB / 1.104 GB, free: 4.211 MB / 0.8575 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007456/1.051, allocations: 256.4 kB / 1.104 GB, free: 3.953 MB / 0.8575 GB
Notification: Performance of setup shared object (initialization): time 9.777e-05/1.051, allocations: 301.1 kB / 1.105 GB, free: 3.656 MB / 0.8575 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006956/1.058, allocations: 2.68 MB / 1.107 GB, free: 0.9727 MB / 0.8575 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008088/1.066, allocations: 3.575 MB / 1.111 GB, free: 13.02 MB / 0.8731 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01449/1.081, allocations: 6.406 MB / 1.117 GB, free: 6.215 MB / 0.8731 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.055e-05/1.081, allocations: 8 kB / 1.117 GB, free: 6.207 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 0.03318/1.114, allocations: 11.1 MB / 1.128 GB, free: 11 MB / 0.8887 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007204/1.115, allocations: 0.8627 MB / 1.129 GB, free: 9.758 MB / 0.8887 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.314e-05/1.115, allocations: 24 kB / 1.129 GB, free: 9.734 MB / 0.8887 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02437/1.139, allocations: 5.973 MB / 1.135 GB, free: 3.75 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00481/1.144, allocations: 0.9945 MB / 1.136 GB, free: 2.754 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04609/1.19, allocations: 25.94 MB / 1.161 GB, free: 8.375 MB / 0.92 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004929/1.195, allocations: 0.5808 MB / 1.162 GB, free: 7.793 MB / 0.92 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006523/1.196, allocations: 151.9 kB / 1.162 GB, free: 7.645 MB / 0.92 GB
Notification: Performance of prepare postOptimizeDAE: time 1.092e-05/1.196, allocations: 4 kB / 1.162 GB, free: 7.641 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 0.007925/1.204, allocations: 3.111 MB / 1.165 GB, free: 4.504 MB / 0.92 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated