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.DD.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.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.688/4.688, allocations: 0.5623 GB / 0.5769 GB, free: 3.344 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 0.002474/0.002473, allocations: 361.8 kB / 0.6441 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 3.994/3.994, allocations: 410.7 MB / 1.112 GB, free: 147.8 MB / 0.5886 GB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0017/0.0017, allocations: 176.2 kB / 1.225 GB, free: 35.96 MB / 0.5886 GB Notification: Performance of FrontEnd - loaded program: time 0.0004699/0.0004701, allocations: 12 kB / 1.348 GB, free: 121.6 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1791/0.1796, allocations: 115.3 MB / 1.461 GB, free: 6.535 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02047/0.2001, allocations: 14.81 MB / 1.475 GB, free: 7.672 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01261/0.2127, allocations: 6.114 MB / 1.481 GB, free: 1.543 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00149/0.2143, allocations: 39.88 kB / 1.481 GB, free: 1.504 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.0009986/0.2153, allocations: 341.5 kB / 1.482 GB, free: 1.168 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.003534/0.2188, allocations: 1.112 MB / 1.483 GB, free: 52 kB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.003043/0.2219, allocations: 0.7952 MB / 1.483 GB, free: 15.25 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.007974/0.2299, allocations: 5.888 MB / 1.489 GB, free: 9.352 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01193/0.2419, allocations: 5.979 MB / 1.495 GB, free: 3.309 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002971/0.2449, allocations: 1.498 MB / 1.496 GB, free: 1.805 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004403/0.2493, allocations: 2.372 MB / 1.499 GB, free: 15.42 MB / 0.6511 GB Notification: Performance of NFPackage.collectConstants: time 0.0006339/0.25, allocations: 219.8 kB / 1.499 GB, free: 15.21 MB / 0.6511 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002102/0.2521, allocations: 0.6554 MB / 1.5 GB, free: 14.55 MB / 0.6511 GB Notification: Performance of NFScalarize.scalarize: time 0.002536/0.2547, allocations: 1.703 MB / 1.501 GB, free: 12.85 MB / 0.6511 GB Notification: Performance of NFVerifyModel.verify: time 0.001092/0.2558, allocations: 0.6173 MB / 1.502 GB, free: 12.22 MB / 0.6511 GB Notification: Performance of NFConvertDAE.convert: time 0.00768/0.2635, allocations: 5.537 MB / 1.507 GB, free: 6.672 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 5.32e-06/0.2635, allocations: 0 / 1.507 GB, free: 6.672 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.406e-06/0.2636, allocations: 0 / 1.507 GB, free: 6.672 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 9.625e-05/0.2637, allocations: 0 / 1.507 GB, free: 6.672 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 0.007338/0.271, allocations: 2.884 MB / 1.51 GB, free: 3.727 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 3.996e-05/0.2711, allocations: 8.031 kB / 1.51 GB, free: 3.719 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01554/0.2866, allocations: 2.415 MB / 1.513 GB, free: 1.297 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005282/0.2919, allocations: 1.955 MB / 1.514 GB, free: 15.3 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002721/0.2922, allocations: 230.2 kB / 1.515 GB, free: 15.07 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009932/0.2932, allocations: 308 kB / 1.515 GB, free: 14.77 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0171/0.3104, allocations: 6.411 MB / 1.521 GB, free: 8.246 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.198e-05/0.3105, allocations: 3.938 kB / 1.521 GB, free: 8.242 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005521/0.3111, allocations: 128 kB / 1.521 GB, free: 8.117 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005876/0.3117, allocations: 317.4 kB / 1.522 GB, free: 7.805 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01967/0.3313, allocations: 6.559 MB / 1.528 GB, free: 1.23 MB / 0.6667 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.5516/0.8829, allocations: 24.87 MB / 1.552 GB, free: 49.97 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01112/0.8941, allocations: 5.421 MB / 1.558 GB, free: 46.81 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.008562/0.9027, allocations: 2.942 MB / 1.56 GB, free: 45.98 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004283/0.9032, allocations: 139.9 kB / 1.561 GB, free: 45.88 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.495e-05/0.9033, allocations: 63.3 kB / 1.561 GB, free: 45.82 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=230): time 6.617e-06/0.9033, allocations: 0 / 1.561 GB, free: 45.82 MB / 0.6667 GB Notification: Performance of matching and sorting (n=313): time 0.1696/1.073, allocations: 39.54 MB / 1.599 GB, free: 21.06 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.226e-05/1.073, allocations: 235.9 kB / 1.6 GB, free: 20.78 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001855/1.075, allocations: 1.271 MB / 1.601 GB, free: 19.49 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0005064/1.075, allocations: 73.7 kB / 1.601 GB, free: 19.41 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006461/1.076, allocations: 1.254 MB / 1.602 GB, free: 18.15 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.001004/1.077, allocations: 1.049 MB / 1.603 GB, free: 17.11 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000344/1.077, allocations: 68 kB / 1.603 GB, free: 17.04 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.000181/1.078, allocations: 440.8 kB / 1.604 GB, free: 16.61 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006778/1.084, allocations: 2.734 MB / 1.606 GB, free: 13.87 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007348/1.092, allocations: 3.42 MB / 1.61 GB, free: 10.19 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00738/1.099, allocations: 3.138 MB / 1.613 GB, free: 7.035 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.211e-05/1.099, allocations: 11.94 kB / 1.613 GB, free: 7.023 MB / 0.6667 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.03396/1.133, allocations: 10.99 MB / 1.623 GB, free: 11.97 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005927/1.134, allocations: 0.6195 MB / 1.624 GB, free: 11.1 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.133e-05/1.134, allocations: 27.64 kB / 1.624 GB, free: 11.07 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02903/1.163, allocations: 6.293 MB / 1.63 GB, free: 4.773 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005296/1.168, allocations: 0.936 MB / 1.631 GB, free: 3.836 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06208/1.23, allocations: 26.37 MB / 1.657 GB, free: 9.25 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004725/1.235, allocations: 0.5265 MB / 1.657 GB, free: 8.723 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000696/1.236, allocations: 143.9 kB / 1.657 GB, free: 8.582 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 1.279e-05/1.236, allocations: 4 kB / 1.657 GB, free: 8.578 MB / 0.7136 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 0.009307/1.245, allocations: 3.08 MB / 1.66 GB, free: 5.48 MB / 0.7136 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated