Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.788/1.788, allocations: 288.4 MB / 303.3 MB, free: 8.133 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001125/0.001125, allocations: 181.7 kB / 372 MB, free: 10.27 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.578/1.578, allocations: 205.4 MB / 0.6307 GB, free: 10.01 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007367/0.0007366, allocations: 87.86 kB / 0.744 GB, free: 5.93 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003983/0.0003984, allocations: 14.83 kB / 0.8671 GB, free: 142 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2442/0.2446, allocations: 115.3 MB / 0.9797 GB, free: 27.54 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01453/0.2592, allocations: 16.54 MB / 0.9958 GB, free: 10.94 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.008903/0.2682, allocations: 6.489 MB / 1.002 GB, free: 4.434 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001474/0.2697, allocations: 47.81 kB / 1.002 GB, free: 4.387 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008702/0.2706, allocations: 369.3 kB / 1.003 GB, free: 4.023 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.00286/0.2734, allocations: 1.132 MB / 1.004 GB, free: 2.887 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002222/0.2757, allocations: 0.7777 MB / 1.004 GB, free: 2.109 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.006679/0.2824, allocations: 6.481 MB / 1.011 GB, free: 11.61 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01166/0.294, allocations: 7.458 MB / 1.018 GB, free: 4.098 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003981/0.2981, allocations: 1.705 MB / 1.02 GB, free: 2.387 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005072/0.3032, allocations: 2.606 MB / 1.022 GB, free: 15.77 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009452/0.3042, allocations: 240 kB / 1.022 GB, free: 15.54 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002352/0.3065, allocations: 0.6867 MB / 1.023 GB, free: 14.85 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.002514/0.309, allocations: 1.887 MB / 1.025 GB, free: 12.96 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.001338/0.3104, allocations: 0.6914 MB / 1.026 GB, free: 12.26 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.008244/0.3186, allocations: 6.444 MB / 1.032 GB, free: 5.801 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 5.841e-06/0.3187, allocations: 0 / 1.032 GB, free: 5.801 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.386e-06/0.3187, allocations: 0 / 1.032 GB, free: 5.801 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002421/0.319, allocations: 0 / 1.032 GB, free: 5.801 MB / 0.6511 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 0.007992/0.327, allocations: 3.14 MB / 1.035 GB, free: 2.602 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.872e-05/0.327, allocations: 12.02 kB / 1.035 GB, free: 2.59 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001551/0.3286, allocations: 0.5385 MB / 1.036 GB, free: 2.043 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01241/0.341, allocations: 2.367 MB / 1.038 GB, free: 15.67 MB / 0.6667 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005896/0.347, allocations: 2.119 MB / 1.04 GB, free: 13.5 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002285/0.3472, allocations: 275.1 kB / 1.04 GB, free: 13.23 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001065/0.3483, allocations: 348 kB / 1.041 GB, free: 12.89 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0169/0.3652, allocations: 7.096 MB / 1.047 GB, free: 5.691 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.89e-05/0.3653, allocations: 4 kB / 1.047 GB, free: 5.688 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005512/0.3659, allocations: 144 kB / 1.048 GB, free: 5.547 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005168/0.3664, allocations: 342.1 kB / 1.048 GB, free: 5.211 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01815/0.3846, allocations: 6.977 MB / 1.055 GB, free: 14.22 MB / 0.6823 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 0.5265/0.9112, allocations: 26.69 MB / 1.081 GB, free: 70.51 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009751/0.921, allocations: 4.984 MB / 1.086 GB, free: 67.77 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006847/0.9279, allocations: 2.603 MB / 1.088 GB, free: 67.01 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003087/0.9282, allocations: 131.2 kB / 1.088 GB, free: 66.91 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.948e-05/0.9283, allocations: 66.03 kB / 1.088 GB, free: 66.84 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=208): time 5.24e-06/0.9283, allocations: 0 / 1.088 GB, free: 66.84 MB / 0.6823 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 0.1044/1.033, allocations: 30.98 MB / 1.119 GB, free: 54.35 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.813e-05/1.033, allocations: 241 kB / 1.119 GB, free: 54.09 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002008/1.035, allocations: 1.435 MB / 1.12 GB, free: 53.32 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005478/1.035, allocations: 69.3 kB / 1.12 GB, free: 53.25 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006274/1.036, allocations: 1.503 MB / 1.122 GB, free: 51.94 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007285/1.037, allocations: 0.915 MB / 1.123 GB, free: 51.15 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002139/1.037, allocations: 62.5 kB / 1.123 GB, free: 51.1 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001436/1.037, allocations: 441.2 kB / 1.123 GB, free: 50.7 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005175/1.042, allocations: 2.641 MB / 1.126 GB, free: 49.33 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005875/1.048, allocations: 3.544 MB / 1.129 GB, free: 46.82 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005796/1.054, allocations: 3.09 MB / 1.132 GB, free: 44.43 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.229e-05/1.054, allocations: 8 kB / 1.132 GB, free: 44.43 MB / 0.6823 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 0.02581/1.08, allocations: 11 MB / 1.143 GB, free: 33.34 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004321/1.08, allocations: 0.8736 MB / 1.144 GB, free: 32.09 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.872e-05/1.08, allocations: 24 kB / 1.144 GB, free: 32.07 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01983/1.1, allocations: 5.888 MB / 1.15 GB, free: 26.16 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004387/1.105, allocations: 0.9828 MB / 1.151 GB, free: 25.18 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03537/1.14, allocations: 25.9 MB / 1.176 GB, free: 14.86 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004988/1.145, allocations: 0.5614 MB / 1.176 GB, free: 14.3 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005891/1.146, allocations: 150.7 kB / 1.177 GB, free: 14.16 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.864e-05/1.146, allocations: 6.812 kB / 1.177 GB, free: 14.15 MB / 0.698 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 0.007386/1.153, allocations: 3.083 MB / 1.18 GB, free: 11.04 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated