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 5.011/5.011, allocations: 0.5623 GB / 0.5775 GB, free: 3.297 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 0.002627/0.002627, allocations: 354.2 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 4.11/4.11, 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 0.001798/0.001798, allocations: 172.3 kB / 1.226 GB, free: 36.02 MB / 0.5886 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004971/0.0004973, allocations: 12 kB / 1.349 GB, free: 121.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2194/0.22, allocations: 115.3 MB / 1.461 GB, free: 6.602 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.004/1.224, allocations: 198.3 MB / 1.655 GB, free: 9.945 MB / 0.7292 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004592/1.224, allocations: 125.7 kB / 1.655 GB, free: 9.867 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5031/1.727, allocations: 123.6 MB / 1.776 GB, free: 8.605 MB / 0.8386 GB
Notification: Performance of FrontEnd: time 2.324e-06/1.727, allocations: 0 / 1.776 GB, free: 8.605 MB / 0.8386 GB
Notification: Performance of Transformations before backend: time 0.0002037/1.728, allocations: 67.98 kB / 1.776 GB, free: 8.539 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 0.01318/1.741, allocations: 2.836 MB / 1.779 GB, free: 5.641 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 4.857e-05/1.741, allocations: 12.03 kB / 1.779 GB, free: 5.629 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02303/1.764, allocations: 2.087 MB / 1.781 GB, free: 3.535 MB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006957/1.771, allocations: 2.009 MB / 1.783 GB, free: 1.477 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003365/1.771, allocations: 226.1 kB / 1.783 GB, free: 1.254 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00178/1.773, allocations: 300 kB / 1.783 GB, free: 0.9609 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02381/1.797, allocations: 5.867 MB / 1.789 GB, free: 10.98 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001294/1.797, allocations: 3.938 kB / 1.789 GB, free: 10.98 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001017/1.798, allocations: 124 kB / 1.789 GB, free: 10.86 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008858/1.799, allocations: 289.2 kB / 1.789 GB, free: 10.57 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02738/1.826, allocations: 6.016 MB / 1.795 GB, free: 4.539 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05439/1.881, allocations: 24.76 MB / 1.819 GB, free: 9.711 MB / 0.8855 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01714/1.898, allocations: 5.469 MB / 1.825 GB, free: 3.895 MB / 0.8855 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01181/1.91, allocations: 2.809 MB / 1.827 GB, free: 1.066 MB / 0.8855 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004846/1.911, allocations: 143 kB / 1.828 GB, free: 0.9062 MB / 0.8855 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.761e-05/1.911, allocations: 64.5 kB / 1.828 GB, free: 0.8359 MB / 0.8855 GB
Notification: Performance of pre-optimization done (n=230): time 5.921e-06/1.911, allocations: 0 / 1.828 GB, free: 0.8359 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=305): time 0.2607/2.171, allocations: 36.07 MB / 1.863 GB, free: 12.66 MB / 0.9323 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001709/2.172, allocations: 247.8 kB / 1.863 GB, free: 12.37 MB / 0.9323 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002823/2.174, allocations: 1.249 MB / 1.864 GB, free: 11.1 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008302/2.175, allocations: 73.7 kB / 1.864 GB, free: 11.02 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001117/2.176, allocations: 1.231 MB / 1.866 GB, free: 9.773 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001653/2.178, allocations: 1.028 MB / 1.867 GB, free: 8.73 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004566/2.179, allocations: 64 kB / 1.867 GB, free: 8.668 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0002939/2.179, allocations: 448.5 kB / 1.867 GB, free: 8.223 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01127/2.19, allocations: 2.766 MB / 1.87 GB, free: 5.453 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01232/2.203, allocations: 3.464 MB / 1.873 GB, free: 1.719 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01237/2.215, allocations: 3.166 MB / 1.876 GB, free: 14.54 MB / 0.948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.578e-05/2.215, allocations: 8 kB / 1.876 GB, free: 14.53 MB / 0.948 GB
Notification: Performance of matching and sorting (n=406) (initialization): time 0.04647/2.262, allocations: 9.957 MB / 1.886 GB, free: 4.508 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006885/2.262, allocations: 0.636 MB / 1.887 GB, free: 3.605 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.086e-05/2.262, allocations: 20 kB / 1.887 GB, free: 3.586 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.733/2.995, allocations: 7.87 MB / 1.894 GB, free: 272.8 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007993/3.003, allocations: 0.8442 MB / 1.895 GB, free: 272.8 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05101/3.054, allocations: 17.14 MB / 1.912 GB, free: 271 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007765/3.062, allocations: 0.5261 MB / 1.912 GB, free: 271 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001013/3.063, allocations: 181.1 kB / 1.913 GB, free: 271 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.439e-05/3.063, allocations: 4.312 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 0.0129/3.076, allocations: 3.182 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