Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.049/5.049, allocations: 0.5623 GB / 0.5775 GB, free: 3.406 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 0.002531/0.002531, allocations: 352.8 kB / 0.6446 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 4.124/4.124, allocations: 410.7 MB / 1.113 GB, free: 147.9 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 0.001748/0.001748, allocations: 187.9 kB / 1.226 GB, free: 36 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006687/0.000669, allocations: 12 kB / 1.349 GB, free: 121.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2194/0.2201, allocations: 115.3 MB / 1.461 GB, free: 6.598 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9777/1.198, allocations: 198.3 MB / 1.655 GB, free: 10 MB / 0.7292 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004371/1.198, allocations: 121 kB / 1.655 GB, free: 9.926 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5059/1.704, allocations: 123.6 MB / 1.776 GB, free: 8.594 MB / 0.8386 GB
Notification: Performance of FrontEnd: time 2.885e-06/1.704, allocations: 4 kB / 1.776 GB, free: 8.59 MB / 0.8386 GB
Notification: Performance of Transformations before backend: time 0.0002046/1.705, allocations: 67.98 kB / 1.776 GB, free: 8.523 MB / 0.8386 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 0.01253/1.717, allocations: 2.833 MB / 1.779 GB, free: 5.629 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 4.504e-05/1.717, allocations: 8.031 kB / 1.779 GB, free: 5.621 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02258/1.74, allocations: 2.095 MB / 1.781 GB, free: 3.52 MB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006868/1.747, allocations: 1.993 MB / 1.783 GB, free: 1.477 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003441/1.747, allocations: 242 kB / 1.783 GB, free: 1.238 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001814/1.749, allocations: 300 kB / 1.783 GB, free: 0.9453 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02393/1.773, allocations: 5.856 MB / 1.789 GB, free: 10.98 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001229/1.773, allocations: 7.938 kB / 1.789 GB, free: 10.97 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007829/1.774, allocations: 132 kB / 1.789 GB, free: 10.84 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009001/1.775, allocations: 293.2 kB / 1.789 GB, free: 10.55 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02741/1.802, allocations: 6.012 MB / 1.795 GB, free: 4.523 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0525/1.855, allocations: 24.76 MB / 1.819 GB, free: 9.695 MB / 0.8855 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01652/1.871, allocations: 5.462 MB / 1.825 GB, free: 3.887 MB / 0.8855 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01206/1.883, allocations: 2.809 MB / 1.827 GB, free: 1.059 MB / 0.8855 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000544/1.884, allocations: 143 kB / 1.828 GB, free: 0.8984 MB / 0.8855 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.95e-05/1.884, allocations: 60.56 kB / 1.828 GB, free: 0.832 MB / 0.8855 GB
Notification: Performance of pre-optimization done (n=230): time 5.681e-06/1.884, allocations: 0 / 1.828 GB, free: 0.832 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=305): time 0.2664/2.151, allocations: 36.08 MB / 1.863 GB, free: 12.64 MB / 0.9323 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000137/2.151, allocations: 243.8 kB / 1.863 GB, free: 12.35 MB / 0.9323 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002966/2.154, allocations: 1.253 MB / 1.864 GB, free: 11.08 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008723/2.155, allocations: 69.7 kB / 1.864 GB, free: 11.01 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001283/2.156, allocations: 1.235 MB / 1.866 GB, free: 9.758 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001992/2.158, allocations: 1.024 MB / 1.867 GB, free: 8.719 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005611/2.159, allocations: 64 kB / 1.867 GB, free: 8.656 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0003718/2.159, allocations: 436.6 kB / 1.867 GB, free: 8.223 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01178/2.171, allocations: 2.77 MB / 1.87 GB, free: 5.449 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01264/2.183, allocations: 3.472 MB / 1.873 GB, free: 1.707 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01288/2.196, allocations: 3.166 MB / 1.876 GB, free: 14.52 MB / 0.948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.603e-05/2.196, allocations: 4 kB / 1.876 GB, free: 14.52 MB / 0.948 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04768/2.244, allocations: 9.958 MB / 1.886 GB, free: 4.5 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006104/2.245, allocations: 0.6436 MB / 1.887 GB, free: 3.59 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.48e-05/2.245, allocations: 20 kB / 1.887 GB, free: 3.57 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.7552/3, allocations: 7.869 MB / 1.894 GB, free: 272.8 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007859/3.008, allocations: 0.8412 MB / 1.895 GB, free: 272.8 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05431/3.062, allocations: 17.13 MB / 1.912 GB, free: 271 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01516/3.078, allocations: 0.5264 MB / 1.912 GB, free: 271 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001308/3.079, allocations: 180.5 kB / 1.913 GB, free: 271 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.626e-05/3.079, allocations: 4.156 kB / 1.913 GB, free: 271 MB / 0.948 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 0.03642/3.115, allocations: 3.19 MB / 1.916 GB, free: 270.9 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated