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.YD.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.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.935/4.935, allocations: 0.5623 GB / 0.5775 GB, free: 3.355 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 0.002452/0.002451, allocations: 366.2 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 4.231/4.231, allocations: 410.7 MB / 1.113 GB, free: 5.973 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 0.00207/0.00207, allocations: 180.4 kB / 1.226 GB, free: 6.184 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004814/0.0004816, allocations: 8 kB / 1.349 GB, free: 8.277 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7329/0.7335, allocations: 115.3 MB / 1.461 GB, free: 284.4 MB / 0.8542 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2729/1.006, allocations: 199.5 MB / 1.656 GB, free: 84.7 MB / 0.8542 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004059/1.007, allocations: 127.8 kB / 1.656 GB, free: 84.57 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 1.132/2.139, allocations: 134.6 MB / 1.788 GB, free: 225.2 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.484e-06/2.139, allocations: 0 / 1.788 GB, free: 225.2 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0001785/2.139, allocations: 73.56 kB / 1.788 GB, free: 225.2 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01407/2.153, allocations: 3.1 MB / 1.791 GB, free: 223.6 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 4.547e-05/2.154, allocations: 11.19 kB / 1.791 GB, free: 223.6 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02218/2.176, allocations: 2.125 MB / 1.793 GB, free: 223.4 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007261/2.183, allocations: 2.182 MB / 1.795 GB, free: 222.3 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005142/2.184, allocations: 263.1 kB / 1.795 GB, free: 222.2 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002523/2.186, allocations: 347.8 kB / 1.796 GB, free: 222.1 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02586/2.212, allocations: 6.501 MB / 1.802 GB, free: 217.1 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001602/2.212, allocations: 11.94 kB / 1.802 GB, free: 217.1 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001344/2.214, allocations: 145.7 kB / 1.802 GB, free: 216.9 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008974/2.215, allocations: 302 kB / 1.802 GB, free: 216.6 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02639/2.241, allocations: 6.4 MB / 1.809 GB, free: 210.2 MB / 0.8542 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 0.05005/2.291, allocations: 26.66 MB / 1.835 GB, free: 181.6 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01376/2.305, allocations: 4.998 MB / 1.84 GB, free: 176.4 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00962/2.315, allocations: 2.538 MB / 1.842 GB, free: 173.8 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003728/2.315, allocations: 133.5 kB / 1.842 GB, free: 173.7 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.634e-05/2.315, allocations: 60.56 kB / 1.842 GB, free: 173.6 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=208): time 7.484e-06/2.315, allocations: 0 / 1.842 GB, free: 173.6 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=277): time 0.2013/2.516, allocations: 30.93 MB / 1.872 GB, free: 142.6 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.875e-05/2.516, allocations: 243.6 kB / 1.873 GB, free: 142.3 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002706/2.519, allocations: 1.419 MB / 1.874 GB, free: 140.9 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.000785/2.52, allocations: 69.7 kB / 1.874 GB, free: 140.8 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009844/2.521, allocations: 1.482 MB / 1.876 GB, free: 139.4 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001436/2.522, allocations: 0.9409 MB / 1.876 GB, free: 138.4 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004558/2.523, allocations: 68 kB / 1.877 GB, free: 138.4 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0002355/2.523, allocations: 444.8 kB / 1.877 GB, free: 137.9 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0101/2.533, allocations: 2.614 MB / 1.88 GB, free: 135.3 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01092/2.544, allocations: 3.527 MB / 1.883 GB, free: 131.4 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01104/2.555, allocations: 3.071 MB / 1.886 GB, free: 128.3 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.004e-05/2.555, allocations: 8 kB / 1.886 GB, free: 128.3 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04192/2.597, allocations: 9.55 MB / 1.895 GB, free: 118.7 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005412/2.598, allocations: 0.885 MB / 1.896 GB, free: 117.4 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.872e-05/2.598, allocations: 28 kB / 1.896 GB, free: 117.4 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05436/2.652, allocations: 7.548 MB / 1.904 GB, free: 109.8 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007224/2.66, allocations: 0.8735 MB / 1.904 GB, free: 109 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03964/2.699, allocations: 15.28 MB / 1.919 GB, free: 93.52 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007326/2.707, allocations: 0.5573 MB / 1.92 GB, free: 92.96 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007434/2.707, allocations: 191.9 kB / 1.92 GB, free: 92.77 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.058e-05/2.707, allocations: 4 kB / 1.92 GB, free: 92.77 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 0.01147/2.719, allocations: 3.148 MB / 1.923 GB, free: 89.6 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated