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.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.621/4.621, allocations: 0.5623 GB / 0.5775 GB, free: 66.96 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002754/0.002753, allocations: 356.1 kB / 0.6446 GB, free: 21.62 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.24/4.24, allocations: 410.7 MB / 1.113 GB, free: 15.65 MB / 0.6198 GB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001897/0.001897, allocations: 177.1 kB / 1.226 GB, free: 11.58 MB / 0.7292 GB Notification: Performance of FrontEnd - loaded program: time 0.0005056/0.000506, allocations: 11.94 kB / 1.349 GB, free: 321.7 MB / 0.8073 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2128/0.2133, allocations: 115.3 MB / 1.461 GB, free: 220.7 MB / 0.8073 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.2648/0.4782, allocations: 199.3 MB / 1.656 GB, free: 21.06 MB / 0.8073 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003734/0.4786, allocations: 127.9 kB / 1.656 GB, free: 20.94 MB / 0.8073 GB Notification: Performance of FrontEnd - DAE generated: time 1.11/1.589, allocations: 134.7 MB / 1.788 GB, free: 128.3 MB / 0.8073 GB Notification: Performance of FrontEnd: time 2.425e-06/1.589, allocations: 0 / 1.788 GB, free: 128.3 MB / 0.8073 GB Notification: Performance of Transformations before backend: time 0.0001788/1.589, allocations: 76 kB / 1.788 GB, free: 128.2 MB / 0.8073 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 0.01341/1.602, allocations: 3.089 MB / 1.791 GB, free: 125.1 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 4.608e-05/1.602, allocations: 20.45 kB / 1.791 GB, free: 125.1 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02197/1.624, allocations: 2.122 MB / 1.793 GB, free: 122.9 MB / 0.8073 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00666/1.631, allocations: 2.177 MB / 1.795 GB, free: 120.7 MB / 0.8073 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002462/1.631, allocations: 267 kB / 1.795 GB, free: 120.4 MB / 0.8073 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001466/1.633, allocations: 348 kB / 1.796 GB, free: 120.1 MB / 0.8073 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02249/1.655, allocations: 6.502 MB / 1.802 GB, free: 113.5 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001372/1.656, allocations: 0 / 1.802 GB, free: 113.5 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009567/1.657, allocations: 148 kB / 1.802 GB, free: 113.4 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007784/1.657, allocations: 309.9 kB / 1.802 GB, free: 113.1 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02586/1.683, allocations: 6.392 MB / 1.809 GB, free: 106.6 MB / 0.8073 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05128/1.735, allocations: 26.68 MB / 1.835 GB, free: 77.8 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01407/1.749, allocations: 5 MB / 1.84 GB, free: 72.5 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01001/1.759, allocations: 2.542 MB / 1.842 GB, free: 69.94 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003868/1.759, allocations: 127 kB / 1.842 GB, free: 69.79 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.313e-05/1.759, allocations: 64.5 kB / 1.842 GB, free: 69.72 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=208): time 4.859e-06/1.759, allocations: 0 / 1.842 GB, free: 69.72 MB / 0.8073 GB Notification: Performance of matching and sorting (n=277): time 0.2124/1.972, allocations: 30.94 MB / 1.872 GB, free: 38.66 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001241/1.972, allocations: 247.6 kB / 1.873 GB, free: 38.37 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00274/1.975, allocations: 1.416 MB / 1.874 GB, free: 36.95 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 0.0007156/1.975, allocations: 69.7 kB / 1.874 GB, free: 36.87 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.000975/1.976, allocations: 1.485 MB / 1.876 GB, free: 35.36 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.001306/1.978, allocations: 0.9396 MB / 1.877 GB, free: 34.41 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004601/1.978, allocations: 64 kB / 1.877 GB, free: 34.35 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0002372/1.978, allocations: 448.8 kB / 1.877 GB, free: 33.9 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01022/1.989, allocations: 2.614 MB / 1.88 GB, free: 31.29 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01082/2, allocations: 3.527 MB / 1.883 GB, free: 27.37 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01092/2.01, allocations: 3.074 MB / 1.886 GB, free: 24.28 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.821e-05/2.011, allocations: 8 kB / 1.886 GB, free: 24.27 MB / 0.8073 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04145/2.052, allocations: 9.551 MB / 1.895 GB, free: 14.66 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005278/2.053, allocations: 0.8889 MB / 1.896 GB, free: 13.38 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.084e-05/2.053, allocations: 28 kB / 1.896 GB, free: 13.36 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05644/2.109, allocations: 7.531 MB / 1.904 GB, free: 5.824 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00733/2.116, allocations: 0.8734 MB / 1.904 GB, free: 4.949 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04436/2.161, allocations: 15.3 MB / 1.919 GB, free: 5.484 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007746/2.169, allocations: 0.5536 MB / 1.92 GB, free: 4.93 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001016/2.17, allocations: 199.9 kB / 1.92 GB, free: 4.734 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.498e-05/2.17, allocations: 4 kB / 1.92 GB, free: 4.73 MB / 0.823 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.01302/2.183, allocations: 3.148 MB / 1.923 GB, free: 1.551 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated