Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.835/4.835, allocations: 0.5623 GB / 0.5776 GB, free: 3.301 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 0.002603/0.002603, allocations: 356 kB / 0.6446 GB, free: 185.6 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 4.237/4.237, allocations: 410.7 MB / 1.113 GB, free: 5.902 MB / 0.6042 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.002829/0.002829, allocations: 187.2 kB / 1.226 GB, free: 6.125 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004842/0.0004845, allocations: 16 kB / 1.349 GB, free: 8.227 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7309/0.7314, allocations: 115.3 MB / 1.461 GB, free: 284.3 MB / 0.8542 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2652/0.9967, allocations: 199 MB / 1.656 GB, free: 85.07 MB / 0.8542 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0005178/0.9973, allocations: 119.9 kB / 1.656 GB, free: 84.96 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 1.127/2.124, allocations: 124.3 MB / 1.777 GB, free: 226.3 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 3.216e-06/2.124, allocations: 0 / 1.777 GB, free: 226.3 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0001883/2.125, allocations: 64.03 kB / 1.777 GB, free: 226.3 MB / 0.8542 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.01248/2.137, allocations: 2.864 MB / 1.78 GB, free: 225 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 4.394e-05/2.137, allocations: 13.84 kB / 1.78 GB, free: 225 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02204/2.159, allocations: 2.098 MB / 1.782 GB, free: 224.8 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006267/2.165, allocations: 2.012 MB / 1.784 GB, free: 224.4 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002897/2.166, allocations: 230.6 kB / 1.784 GB, free: 224.4 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001829/2.168, allocations: 301.2 kB / 1.785 GB, free: 224.4 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02249/2.19, allocations: 5.894 MB / 1.79 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000143/2.19, allocations: 5.781 kB / 1.79 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001177/2.192, allocations: 128.7 kB / 1.79 GB, free: 222.3 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008251/2.192, allocations: 297.2 kB / 1.791 GB, free: 222.3 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02609/2.219, allocations: 6.028 MB / 1.797 GB, free: 220.5 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04589/2.264, allocations: 24.84 MB / 1.821 GB, free: 195.5 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01449/2.279, allocations: 5.455 MB / 1.826 GB, free: 189.7 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01066/2.29, allocations: 2.803 MB / 1.829 GB, free: 186.9 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004639/2.29, allocations: 144 kB / 1.829 GB, free: 186.7 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.251e-05/2.29, allocations: 68.45 kB / 1.829 GB, free: 186.7 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 5.701e-06/2.29, allocations: 3.938 kB / 1.829 GB, free: 186.7 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=305): time 0.2444/2.535, allocations: 36.14 MB / 1.864 GB, free: 150.5 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.381e-05/2.535, allocations: 247.8 kB / 1.865 GB, free: 150.2 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00241/2.537, allocations: 1.295 MB / 1.866 GB, free: 148.9 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008373/2.538, allocations: 77.7 kB / 1.866 GB, free: 148.8 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007317/2.539, allocations: 1.244 MB / 1.867 GB, free: 147.5 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001206/2.54, allocations: 1.027 MB / 1.868 GB, free: 146.5 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004137/2.541, allocations: 64 kB / 1.868 GB, free: 146.5 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0001989/2.541, allocations: 444.6 kB / 1.869 GB, free: 146 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.009877/2.551, allocations: 2.762 MB / 1.871 GB, free: 143.2 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.011/2.562, allocations: 3.464 MB / 1.875 GB, free: 139.5 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01153/2.573, allocations: 3.175 MB / 1.878 GB, free: 136.3 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.506e-05/2.573, allocations: 8 kB / 1.878 GB, free: 136.3 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04318/2.617, allocations: 9.968 MB / 1.888 GB, free: 126.3 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003608/2.617, allocations: 0.6356 MB / 1.888 GB, free: 125.4 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.236e-05/2.617, allocations: 16 kB / 1.888 GB, free: 125.4 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.07169/2.689, allocations: 7.878 MB / 1.896 GB, free: 117.5 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009881/2.699, allocations: 0.8423 MB / 1.897 GB, free: 116.7 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07307/2.772, allocations: 17.13 MB / 1.914 GB, free: 99.36 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01136/2.783, allocations: 0.5225 MB / 1.914 GB, free: 98.83 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001529/2.785, allocations: 179.9 kB / 1.914 GB, free: 98.66 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.821e-05/2.785, allocations: 4 kB / 1.914 GB, free: 98.65 MB / 0.8542 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 0.01849/2.803, allocations: 3.185 MB / 1.917 GB, free: 95.44 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated