Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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.8.0.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.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.954/1.954, allocations: 288.4 MB / 303.4 MB, free: 8.07 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001337/0.001337, allocations: 180.5 kB / 372 MB, free: 10.25 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.955/1.955, allocations: 205.4 MB / 0.6307 GB, free: 10 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009083/0.0009082, allocations: 92.95 kB / 0.7441 GB, free: 5.945 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004682/0.0004688, allocations: 15.22 kB / 0.867 GB, free: 142 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2449/0.2454, allocations: 115.3 MB / 0.9796 GB, free: 27.62 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.0134/0.2589, allocations: 14.81 MB / 0.9941 GB, free: 12.76 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.009124/0.268, allocations: 6.13 MB / 1 GB, free: 6.613 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001735/0.2698, allocations: 43.81 kB / 1 GB, free: 6.57 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.000944/0.2708, allocations: 325.6 kB / 1 GB, free: 6.25 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.002688/0.2735, allocations: 1.074 MB / 1.001 GB, free: 5.172 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002206/0.2757, allocations: 0.7407 MB / 1.002 GB, free: 4.43 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.005137/0.2808, allocations: 5.873 MB / 1.008 GB, free: 14.54 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008503/0.2894, allocations: 6.003 MB / 1.014 GB, free: 8.473 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003251/0.2926, allocations: 1.534 MB / 1.015 GB, free: 6.934 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004149/0.2968, allocations: 2.372 MB / 1.018 GB, free: 4.555 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006394/0.2975, allocations: 212 kB / 1.018 GB, free: 4.348 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002072/0.2996, allocations: 0.6633 MB / 1.018 GB, free: 3.684 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.001896/0.3015, allocations: 1.696 MB / 1.02 GB, free: 1.984 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.0009654/0.3024, allocations: 0.6134 MB / 1.021 GB, free: 1.363 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.006939/0.3094, allocations: 5.552 MB / 1.026 GB, free: 11.8 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 5.961e-06/0.3094, allocations: 0 / 1.026 GB, free: 11.8 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.374e-06/0.3094, allocations: 0 / 1.026 GB, free: 11.8 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0002195/0.3097, allocations: 4 kB / 1.026 GB, free: 11.79 MB / 0.6511 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 0.006957/0.3166, allocations: 2.865 MB / 1.029 GB, free: 8.867 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.312e-05/0.3167, allocations: 20 kB / 1.029 GB, free: 8.848 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01197/0.3287, allocations: 2.309 MB / 1.031 GB, free: 6.531 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005135/0.3339, allocations: 1.947 MB / 1.033 GB, free: 4.539 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002173/0.3341, allocations: 238.1 kB / 1.033 GB, free: 4.305 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001014/0.3351, allocations: 307.9 kB / 1.034 GB, free: 4.004 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0159/0.351, allocations: 6.399 MB / 1.04 GB, free: 13.49 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.08e-05/0.3512, allocations: 7.938 kB / 1.04 GB, free: 13.48 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004601/0.3516, allocations: 132 kB / 1.04 GB, free: 13.36 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005084/0.3522, allocations: 321.4 kB / 1.04 GB, free: 13.04 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01655/0.3687, allocations: 6.559 MB / 1.047 GB, free: 6.465 MB / 0.6667 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6241/0.9929, allocations: 24.86 MB / 1.071 GB, free: 77.55 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0141/1.007, allocations: 5.421 MB / 1.076 GB, free: 75.59 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01125/1.018, allocations: 2.936 MB / 1.079 GB, free: 74.79 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004935/1.019, allocations: 142.1 kB / 1.079 GB, free: 74.69 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.605e-05/1.019, allocations: 70.22 kB / 1.079 GB, free: 74.63 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=230): time 4.278e-06/1.019, allocations: 1.062 kB / 1.079 GB, free: 74.63 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=313): time 0.1341/1.153, allocations: 39.54 MB / 1.118 GB, free: 60.29 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.17e-05/1.153, allocations: 244.3 kB / 1.118 GB, free: 60.03 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00164/1.155, allocations: 1.268 MB / 1.119 GB, free: 59.21 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.000634/1.156, allocations: 77.7 kB / 1.12 GB, free: 59.12 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005247/1.156, allocations: 1.239 MB / 1.121 GB, free: 57.88 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008335/1.157, allocations: 1.052 MB / 1.122 GB, free: 56.83 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002213/1.157, allocations: 72 kB / 1.122 GB, free: 56.76 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001718/1.157, allocations: 440.8 kB / 1.122 GB, free: 56.32 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005142/1.162, allocations: 2.731 MB / 1.125 GB, free: 53.59 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005325/1.168, allocations: 3.424 MB / 1.128 GB, free: 49.91 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005536/1.173, allocations: 3.144 MB / 1.131 GB, free: 46.75 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.329e-05/1.173, allocations: 4 kB / 1.131 GB, free: 46.75 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.02449/1.198, allocations: 10.99 MB / 1.142 GB, free: 35.7 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004018/1.198, allocations: 0.622 MB / 1.143 GB, free: 34.82 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.983e-05/1.198, allocations: 24 kB / 1.143 GB, free: 34.79 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02088/1.219, allocations: 6.29 MB / 1.149 GB, free: 28.5 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0043/1.224, allocations: 0.936 MB / 1.15 GB, free: 27.56 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04096/1.265, allocations: 26.38 MB / 1.176 GB, free: 0.9727 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00445/1.269, allocations: 0.5303 MB / 1.176 GB, free: 452 kB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007728/1.27, allocations: 143.9 kB / 1.176 GB, free: 308 kB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.934e-05/1.27, allocations: 4 kB / 1.176 GB, free: 304 kB / 0.6823 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 0.01065/1.281, allocations: 3.082 MB / 1.179 GB, free: 13.2 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated