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 0.001214/0.001214, allocations: 100.5 kB / 15.71 MB, free: 452 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001586/0.001586, allocations: 175 kB / 16.58 MB, free: 6.422 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.521/1.521, allocations: 223.2 MB / 240.6 MB, free: 5.414 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.874/2.874, allocations: 436.7 MB / 0.7113 GB, free: 7.895 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004764/0.0004768, allocations: 8.219 kB / 0.8717 GB, free: 4.715 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.9047/0.9052, allocations: 153.7 MB / 1.022 GB, free: 1.102 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01944/0.9246, allocations: 16.58 MB / 1.038 GB, free: 476 kB / 0.7794 GB
Notification: Performance of NFInst.instExpressions: time 0.01215/0.9369, allocations: 6.449 MB / 1.044 GB, free: 10 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001792/0.9387, allocations: 43.88 kB / 1.044 GB, free: 9.957 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.001092/0.9398, allocations: 369.3 kB / 1.045 GB, free: 9.594 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.003152/0.943, allocations: 1.148 MB / 1.046 GB, free: 8.441 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003312/0.9463, allocations: 0.7758 MB / 1.047 GB, free: 7.664 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.009694/0.956, allocations: 6.489 MB / 1.053 GB, free: 1.16 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.012/0.9681, allocations: 7.467 MB / 1.06 GB, free: 9.633 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003557/0.9716, allocations: 1.705 MB / 1.062 GB, free: 7.922 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005201/0.9769, allocations: 2.61 MB / 1.064 GB, free: 5.305 MB / 0.8106 GB
Notification: Performance of NFPackage.collectConstants: time 0.0008967/0.9778, allocations: 236 kB / 1.065 GB, free: 5.074 MB / 0.8106 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002305/0.9801, allocations: 0.6868 MB / 1.065 GB, free: 4.387 MB / 0.8106 GB
Notification: Performance of NFScalarize.scalarize: time 0.002595/0.9827, allocations: 1.89 MB / 1.067 GB, free: 2.492 MB / 0.8106 GB
Notification: Performance of NFVerifyModel.verify: time 0.001157/0.9839, allocations: 0.6914 MB / 1.068 GB, free: 1.793 MB / 0.8106 GB
Notification: Performance of NFConvertDAE.convert: time 0.007845/0.9917, allocations: 6.446 MB / 1.074 GB, free: 11.33 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 1.467e-05/0.9918, allocations: 0 / 1.074 GB, free: 11.33 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 5.941e-06/0.9918, allocations: 0 / 1.074 GB, free: 11.33 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 0.0003407/0.9922, allocations: 3.938 kB / 1.074 GB, free: 11.33 MB / 0.8262 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 0.008518/1.001, allocations: 3.138 MB / 1.077 GB, free: 8.133 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 4.62e-05/1.001, allocations: 11.98 kB / 1.077 GB, free: 8.121 MB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01145/1.012, allocations: 2.359 MB / 1.079 GB, free: 5.754 MB / 0.8262 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00494/1.017, allocations: 2.131 MB / 1.082 GB, free: 3.574 MB / 0.8262 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000234/1.017, allocations: 271.1 kB / 1.082 GB, free: 3.309 MB / 0.8262 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009813/1.018, allocations: 348 kB / 1.082 GB, free: 2.969 MB / 0.8262 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01598/1.034, allocations: 7.088 MB / 1.089 GB, free: 11.77 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.999e-05/1.035, allocations: 15.89 kB / 1.089 GB, free: 11.76 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000437/1.035, allocations: 152 kB / 1.089 GB, free: 11.61 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004901/1.035, allocations: 338 kB / 1.09 GB, free: 11.28 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01725/1.053, allocations: 6.977 MB / 1.096 GB, free: 4.293 MB / 0.8419 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 0.03607/1.089, allocations: 26.71 MB / 1.122 GB, free: 7.402 MB / 0.8731 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007427/1.096, allocations: 4.98 MB / 1.127 GB, free: 2.113 MB / 0.8731 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005238/1.102, allocations: 2.604 MB / 1.13 GB, free: 15.49 MB / 0.8887 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002599/1.102, allocations: 127 kB / 1.13 GB, free: 15.35 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.942e-05/1.102, allocations: 72.45 kB / 1.13 GB, free: 15.27 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=208): time 3.807e-06/1.102, allocations: 0 / 1.13 GB, free: 15.27 MB / 0.8887 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 0.09463/1.197, allocations: 30.96 MB / 1.16 GB, free: 220 kB / 0.9044 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001884/1.197, allocations: 243.6 kB / 1.16 GB, free: 15.93 MB / 0.92 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002185/1.199, allocations: 1.442 MB / 1.162 GB, free: 14.48 MB / 0.92 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005459/1.2, allocations: 65.7 kB / 1.162 GB, free: 14.41 MB / 0.92 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001079/1.201, allocations: 1.497 MB / 1.163 GB, free: 12.89 MB / 0.92 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001076/1.202, allocations: 0.9203 MB / 1.164 GB, free: 11.95 MB / 0.92 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002426/1.202, allocations: 68 kB / 1.164 GB, free: 11.89 MB / 0.92 GB
Notification: Performance of setup shared object (initialization): time 0.0002494/1.202, allocations: 436.7 kB / 1.165 GB, free: 11.45 MB / 0.92 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005425/1.208, allocations: 2.645 MB / 1.167 GB, free: 8.805 MB / 0.92 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00626/1.214, allocations: 3.54 MB / 1.171 GB, free: 4.891 MB / 0.92 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006048/1.22, allocations: 3.087 MB / 1.174 GB, free: 1.781 MB / 0.92 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.006e-05/1.22, allocations: 8 kB / 1.174 GB, free: 1.773 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=410) (initialization): time 0.02629/1.246, allocations: 11 MB / 1.185 GB, free: 6.676 MB / 0.9356 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007953/1.247, allocations: 0.8631 MB / 1.185 GB, free: 5.438 MB / 0.9356 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.345e-05/1.247, allocations: 28 kB / 1.185 GB, free: 5.41 MB / 0.9356 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01962/1.267, allocations: 5.887 MB / 1.191 GB, free: 15.5 MB / 0.9512 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004158/1.271, allocations: 0.9828 MB / 1.192 GB, free: 14.52 MB / 0.9512 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04005/1.311, allocations: 25.91 MB / 1.217 GB, free: 4.172 MB / 0.9669 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004153/1.315, allocations: 0.5536 MB / 1.218 GB, free: 3.617 MB / 0.9669 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005853/1.316, allocations: 155.9 kB / 1.218 GB, free: 3.465 MB / 0.9669 GB
Notification: Performance of prepare postOptimizeDAE: time 1.511e-05/1.316, allocations: 4 kB / 1.218 GB, free: 3.461 MB / 0.9669 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 0.0069/1.323, allocations: 3.083 MB / 1.221 GB, free: 360 kB / 0.9669 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated