Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.31/1.31, allocations: 252 MB / 267.9 MB, free: 10.91 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0008747/0.0008746, allocations: 181.4 kB / 327.6 MB, free: 2.129 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.519/1.519, allocations: 205.4 MB / 0.5785 GB, free: 20.16 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008073/0.0008072, allocations: 81.64 kB / 0.6831 GB, free: 12.8 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004004/0.0004006, allocations: 16 kB / 0.7974 GB, free: 135.3 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1999/0.2003, allocations: 106.3 MB / 0.9013 GB, free: 63.63 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6783/0.8787, allocations: 192.9 MB / 1.09 GB, free: 52.23 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003094/0.8791, allocations: 124.2 kB / 1.09 GB, free: 52.23 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.2692/1.148, allocations: 124.5 MB / 1.211 GB, free: 10.61 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 3.006e-06/1.148, allocations: 0 / 1.211 GB, free: 10.61 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002069/1.148, allocations: 64 kB / 1.211 GB, free: 10.54 MB / 0.7136 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 0.01019/1.159, allocations: 2.831 MB / 1.214 GB, free: 7.855 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.814e-05/1.159, allocations: 15.97 kB / 1.214 GB, free: 7.84 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0119/1.171, allocations: 2.086 MB / 1.216 GB, free: 5.75 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005385/1.176, allocations: 2.044 MB / 1.218 GB, free: 4.062 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002861/1.176, allocations: 240.9 kB / 1.218 GB, free: 3.836 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0018/1.178, allocations: 305.6 kB / 1.219 GB, free: 3.551 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01771/1.196, allocations: 5.902 MB / 1.224 GB, free: 13.57 MB / 0.7292 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001557/1.196, allocations: 0 / 1.224 GB, free: 13.57 MB / 0.7292 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001449/1.198, allocations: 123.1 kB / 1.225 GB, free: 13.46 MB / 0.7292 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005922/1.198, allocations: 297.3 kB / 1.225 GB, free: 13.16 MB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0165/1.215, allocations: 6.02 MB / 1.231 GB, free: 7.129 MB / 0.7292 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04234/1.257, allocations: 24.86 MB / 1.255 GB, free: 12.34 MB / 0.7605 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01023/1.267, allocations: 5.458 MB / 1.26 GB, free: 6.527 MB / 0.7605 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007079/1.275, allocations: 2.802 MB / 1.263 GB, free: 3.711 MB / 0.7605 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003611/1.275, allocations: 142.2 kB / 1.263 GB, free: 3.566 MB / 0.7605 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.996e-05/1.275, allocations: 68.52 kB / 1.263 GB, free: 3.492 MB / 0.7605 GB
Notification: Performance of pre-optimization done (n=230): time 4.909e-06/1.275, allocations: 3.938 kB / 1.263 GB, free: 3.488 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=311): time 0.1303/1.405, allocations: 36.57 MB / 1.299 GB, free: 14.87 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001538/1.406, allocations: 243.8 kB / 1.299 GB, free: 14.58 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002669/1.408, allocations: 1.291 MB / 1.301 GB, free: 13.27 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008268/1.409, allocations: 73.7 kB / 1.301 GB, free: 13.2 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001041/1.41, allocations: 1.253 MB / 1.302 GB, free: 11.93 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001826/1.412, allocations: 1.045 MB / 1.303 GB, free: 10.89 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006903/1.413, allocations: 64 kB / 1.303 GB, free: 10.83 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0003629/1.413, allocations: 448.7 kB / 1.303 GB, free: 10.39 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006294/1.419, allocations: 2.731 MB / 1.306 GB, free: 7.652 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006743/1.426, allocations: 3.434 MB / 1.309 GB, free: 3.949 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01307/1.439, allocations: 6.375 MB / 1.316 GB, free: 13.29 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.368e-05/1.439, allocations: 8 kB / 1.316 GB, free: 13.28 MB / 0.823 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02514/1.464, allocations: 9.86 MB / 1.325 GB, free: 3.363 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005867/1.465, allocations: 0.6363 MB / 1.326 GB, free: 2.461 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.698e-05/1.465, allocations: 20 kB / 1.326 GB, free: 2.441 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02911/1.494, allocations: 7.762 MB / 1.333 GB, free: 10.66 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00382/1.498, allocations: 0.8267 MB / 1.334 GB, free: 9.836 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02911/1.527, allocations: 17.35 MB / 1.351 GB, free: 8.324 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004121/1.531, allocations: 0.5302 MB / 1.352 GB, free: 7.793 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000919/1.532, allocations: 187.9 kB / 1.352 GB, free: 7.609 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.247e-05/1.532, allocations: 6.344 kB / 1.352 GB, free: 7.605 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 0.007731/1.54, allocations: 3.2 MB / 1.355 GB, free: 4.379 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated