Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 9.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.516/5.516, allocations: 0.5623 GB / 0.5776 GB, free: 3.387 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00257/0.00257, allocations: 352 kB / 0.6447 GB, free: 185.7 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.439/4.439, allocations: 410.7 MB / 1.113 GB, free: 147.8 MB / 0.5886 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001717/0.001716, allocations: 174.8 kB / 1.226 GB, free: 36 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004972/0.0004975, allocations: 16.75 kB / 1.349 GB, free: 121.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2178/0.2183, allocations: 115.2 MB / 1.461 GB, free: 6.586 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.02508/0.2434, allocations: 14.73 MB / 1.476 GB, free: 7.801 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.01538/0.2589, allocations: 6.091 MB / 1.482 GB, free: 1.695 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001671/0.2606, allocations: 39.88 kB / 1.482 GB, free: 1.656 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001674/0.2623, allocations: 341.5 kB / 1.482 GB, free: 1.32 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.004852/0.2672, allocations: 1.112 MB / 1.483 GB, free: 208 kB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00392/0.2712, allocations: 0.795 MB / 1.484 GB, free: 15.41 MB / 0.6355 GB
Notification: Performance of NFFlatten.flatten: time 0.0125/0.2838, allocations: 5.854 MB / 1.49 GB, free: 9.543 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01376/0.2976, allocations: 5.953 MB / 1.495 GB, free: 3.52 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003686/0.3013, allocations: 1.491 MB / 1.497 GB, free: 2.023 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005915/0.3073, allocations: 2.368 MB / 1.499 GB, free: 15.65 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.001269/0.3086, allocations: 216 kB / 1.499 GB, free: 15.44 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003115/0.3118, allocations: 0.6553 MB / 1.5 GB, free: 14.78 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.00378/0.3156, allocations: 1.699 MB / 1.502 GB, free: 13.08 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.002216/0.3179, allocations: 0.6056 MB / 1.502 GB, free: 12.46 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.0094/0.3273, allocations: 5.521 MB / 1.508 GB, free: 6.93 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 6.652e-06/0.3274, allocations: 0 / 1.508 GB, free: 6.93 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.926e-06/0.3274, allocations: 0 / 1.508 GB, free: 6.93 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001925/0.3276, allocations: 0 / 1.508 GB, free: 6.93 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: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01065/0.3383, allocations: 2.849 MB / 1.511 GB, free: 4.02 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 6.124e-05/0.3383, allocations: 8.031 kB / 1.511 GB, free: 4.012 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02403/0.3624, allocations: 2.415 MB / 1.513 GB, free: 1.59 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006536/0.369, allocations: 1.935 MB / 1.515 GB, free: 15.61 MB / 0.6667 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003258/0.3694, allocations: 238.1 kB / 1.515 GB, free: 15.38 MB / 0.6667 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00147/0.3709, allocations: 300 kB / 1.515 GB, free: 15.08 MB / 0.6667 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02247/0.3934, allocations: 6.367 MB / 1.521 GB, free: 8.602 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001178/0.3935, allocations: 15.94 kB / 1.522 GB, free: 8.586 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006297/0.3942, allocations: 128 kB / 1.522 GB, free: 8.461 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008287/0.395, allocations: 313.3 kB / 1.522 GB, free: 8.152 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02749/0.4225, allocations: 6.55 MB / 1.528 GB, free: 1.586 MB / 0.6667 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6828/1.105, allocations: 24.78 MB / 1.553 GB, free: 50.51 MB / 0.6667 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01611/1.122, allocations: 5.411 MB / 1.558 GB, free: 47.36 MB / 0.6667 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0129/1.135, allocations: 2.952 MB / 1.561 GB, free: 46.52 MB / 0.6667 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005874/1.135, allocations: 135.1 kB / 1.561 GB, free: 46.42 MB / 0.6667 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.433e-05/1.135, allocations: 71.55 kB / 1.561 GB, free: 46.35 MB / 0.6667 GB
Notification: Performance of pre-optimization done (n=230): time 6.322e-06/1.135, allocations: 3.938 kB / 1.561 GB, free: 46.35 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=313): time 0.2739/1.409, allocations: 39.47 MB / 1.599 GB, free: 21.91 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.372e-05/1.409, allocations: 255.8 kB / 1.6 GB, free: 21.61 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002194/1.412, allocations: 1.218 MB / 1.601 GB, free: 20.37 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007343/1.412, allocations: 77.7 kB / 1.601 GB, free: 20.29 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008012/1.413, allocations: 1.231 MB / 1.602 GB, free: 19.05 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001513/1.415, allocations: 1.049 MB / 1.603 GB, free: 18.01 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004893/1.415, allocations: 68 kB / 1.603 GB, free: 17.94 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0002357/1.415, allocations: 440.8 kB / 1.604 GB, free: 17.5 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01051/1.426, allocations: 2.731 MB / 1.606 GB, free: 14.77 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01145/1.437, allocations: 3.424 MB / 1.61 GB, free: 11.09 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0119/1.449, allocations: 3.142 MB / 1.613 GB, free: 7.93 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.776e-05/1.45, allocations: 8 kB / 1.613 GB, free: 7.922 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.05336/1.503, allocations: 10.99 MB / 1.623 GB, free: 12.87 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006132/1.504, allocations: 0.6253 MB / 1.624 GB, free: 11.99 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.004e-05/1.504, allocations: 23.66 kB / 1.624 GB, free: 11.97 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04481/1.548, allocations: 6.293 MB / 1.63 GB, free: 5.672 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008369/1.557, allocations: 0.936 MB / 1.631 GB, free: 4.734 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.09609/1.653, allocations: 26.37 MB / 1.657 GB, free: 10.15 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01147/1.665, allocations: 0.5265 MB / 1.657 GB, free: 9.621 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001351/1.666, allocations: 139.9 kB / 1.658 GB, free: 9.484 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2.162e-05/1.666, allocations: 4 kB / 1.658 GB, free: 9.48 MB / 0.7136 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 0.02126/1.687, allocations: 3.08 MB / 1.661 GB, free: 6.383 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated