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.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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.985/4.985, allocations: 0.5623 GB / 0.5775 GB, free: 3.309 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 0.004116/0.004116, allocations: 356.2 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 4.279/4.279, allocations: 410.7 MB / 1.113 GB, free: 5.953 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 0.001844/0.001844, allocations: 184.4 kB / 1.226 GB, free: 6.137 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005108/0.0005111, allocations: 12 kB / 1.349 GB, free: 8.223 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.727/0.7276, allocations: 115.3 MB / 1.461 GB, free: 284.3 MB / 0.8542 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2684/0.996, allocations: 200.1 MB / 1.657 GB, free: 83.94 MB / 0.8542 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004189/0.9965, allocations: 121 kB / 1.657 GB, free: 83.82 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 1.153/2.15, allocations: 138.7 MB / 1.792 GB, free: 224.4 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.765e-06/2.15, allocations: 3.469 kB / 1.792 GB, free: 224.4 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0001779/2.15, allocations: 71.22 kB / 1.792 GB, free: 224.4 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01356/2.164, allocations: 3.128 MB / 1.796 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 4.305e-05/2.164, allocations: 10.47 kB / 1.796 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02473/2.189, allocations: 2.23 MB / 1.798 GB, free: 221.4 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007121/2.196, allocations: 2.192 MB / 1.8 GB, free: 219.4 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003418/2.196, allocations: 268.4 kB / 1.8 GB, free: 219.1 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002002/2.198, allocations: 351.7 kB / 1.8 GB, free: 218.8 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02602/2.224, allocations: 6.561 MB / 1.807 GB, free: 212.2 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001565/2.224, allocations: 7.938 kB / 1.807 GB, free: 212.2 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001359/2.226, allocations: 152.5 kB / 1.807 GB, free: 212 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007709/2.227, allocations: 306.1 kB / 1.807 GB, free: 211.7 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02674/2.253, allocations: 6.443 MB / 1.814 GB, free: 205.3 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 0.05108/2.304, allocations: 26.79 MB / 1.84 GB, free: 176.5 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0141/2.319, allocations: 4.998 MB / 1.845 GB, free: 171.3 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.009971/2.329, allocations: 2.527 MB / 1.847 GB, free: 168.7 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003908/2.329, allocations: 129.1 kB / 1.847 GB, free: 168.6 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.368e-05/2.329, allocations: 72.44 kB / 1.847 GB, free: 168.5 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=208): time 5.13e-06/2.329, allocations: 0 / 1.847 GB, free: 168.5 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=277): time 0.1987/2.528, allocations: 30.67 MB / 1.877 GB, free: 137.8 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.609e-05/2.528, allocations: 231.6 kB / 1.877 GB, free: 137.5 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002858/2.531, allocations: 1.465 MB / 1.879 GB, free: 136 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.000773/2.532, allocations: 73.7 kB / 1.879 GB, free: 135.9 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001016/2.533, allocations: 1.506 MB / 1.88 GB, free: 134.4 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001474/2.534, allocations: 0.9342 MB / 1.881 GB, free: 133.5 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005048/2.535, allocations: 68 kB / 1.881 GB, free: 133.4 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0002544/2.535, allocations: 448.8 kB / 1.882 GB, free: 133 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01028/2.545, allocations: 2.602 MB / 1.884 GB, free: 130.4 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.011/2.556, allocations: 3.516 MB / 1.888 GB, free: 126.5 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01129/2.568, allocations: 3.059 MB / 1.891 GB, free: 123.4 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.393e-05/2.568, allocations: 8 kB / 1.891 GB, free: 123.4 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04188/2.61, allocations: 9.512 MB / 1.9 GB, free: 113.8 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000561/2.61, allocations: 0.881 MB / 1.901 GB, free: 112.6 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.004e-05/2.61, allocations: 28 kB / 1.901 GB, free: 112.5 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04729/2.658, allocations: 6.739 MB / 1.908 GB, free: 105.8 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007377/2.665, allocations: 0.8774 MB / 1.908 GB, free: 104.9 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04069/2.706, allocations: 15.23 MB / 1.923 GB, free: 89.53 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007897/2.714, allocations: 0.5495 MB / 1.924 GB, free: 88.98 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001025/2.715, allocations: 179.9 kB / 1.924 GB, free: 88.8 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.261e-05/2.715, allocations: 4 kB / 1.924 GB, free: 88.8 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 0.01193/2.727, allocations: 3.133 MB / 1.927 GB, free: 85.64 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated