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.BalancedStepDown.YD.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.637/1.637, allocations: 288.4 MB / 304.3 MB, free: 8.121 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001158/0.001158, allocations: 172.5 kB / 372.9 MB, free: 10.15 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.675/1.675, allocations: 205.4 MB / 0.6317 GB, free: 9.895 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008017/0.0008019, allocations: 96.11 kB / 0.745 GB, free: 5.801 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004426/0.0004426, allocations: 11.25 kB / 0.8681 GB, free: 141.9 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2674/0.2679, allocations: 115.3 MB / 0.9808 GB, free: 27.37 MB / 0.6198 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.8282/1.096, allocations: 199.7 MB / 1.176 GB, free: 14.86 MB / 0.7136 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003551/1.096, allocations: 121.8 kB / 1.176 GB, free: 14.78 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 0.3252/1.422, allocations: 134.9 MB / 1.308 GB, free: 2.723 MB / 0.823 GB Notification: Performance of FrontEnd: time 3.737e-06/1.422, allocations: 0 / 1.308 GB, free: 2.723 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0001508/1.422, allocations: 75.98 kB / 1.308 GB, free: 2.648 MB / 0.823 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 0.01062/1.433, allocations: 3.054 MB / 1.311 GB, free: 15.54 MB / 0.8386 GB Notification: Performance of prepare preOptimizeDAE: time 5.125e-05/1.433, allocations: 15.97 kB / 1.311 GB, free: 15.52 MB / 0.8386 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01317/1.446, allocations: 2.123 MB / 1.313 GB, free: 13.39 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005837/1.452, allocations: 2.217 MB / 1.315 GB, free: 11.12 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002621/1.452, allocations: 264.2 kB / 1.315 GB, free: 10.87 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001759/1.454, allocations: 348 kB / 1.315 GB, free: 10.53 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01728/1.471, allocations: 6.51 MB / 1.322 GB, free: 3.914 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.65e-05/1.471, allocations: 3.938 kB / 1.322 GB, free: 3.91 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004748/1.472, allocations: 144 kB / 1.322 GB, free: 3.77 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005192/1.472, allocations: 306 kB / 1.322 GB, free: 3.469 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01709/1.489, allocations: 6.388 MB / 1.328 GB, free: 13.07 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 0.04724/1.537, allocations: 26.69 MB / 1.355 GB, free: 208 kB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009539/1.546, allocations: 5.001 MB / 1.359 GB, free: 10.9 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006044/1.552, allocations: 2.538 MB / 1.362 GB, free: 8.344 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003571/1.553, allocations: 135 kB / 1.362 GB, free: 8.191 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.937e-05/1.553, allocations: 56.56 kB / 1.362 GB, free: 8.129 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=208): time 6.693e-06/1.553, allocations: 8 kB / 1.362 GB, free: 8.121 MB / 0.8855 GB Notification: Performance of matching and sorting (n=277): time 0.1133/1.666, allocations: 30.93 MB / 1.392 GB, free: 9.078 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001574/1.666, allocations: 239.6 kB / 1.393 GB, free: 8.793 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002377/1.669, allocations: 1.419 MB / 1.394 GB, free: 7.363 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.0007254/1.669, allocations: 65.7 kB / 1.394 GB, free: 7.293 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.001171/1.671, allocations: 1.493 MB / 1.395 GB, free: 5.777 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.001181/1.672, allocations: 0.9318 MB / 1.396 GB, free: 4.832 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002332/1.672, allocations: 68 kB / 1.396 GB, free: 4.766 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0002619/1.672, allocations: 444.7 kB / 1.397 GB, free: 4.324 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005821/1.678, allocations: 2.614 MB / 1.399 GB, free: 1.707 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006645/1.685, allocations: 3.535 MB / 1.403 GB, free: 13.79 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01315/1.698, allocations: 6.339 MB / 1.409 GB, free: 7.031 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.907e-05/1.698, allocations: 8 kB / 1.409 GB, free: 7.023 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02529/1.723, allocations: 9.56 MB / 1.418 GB, free: 13.4 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.001079/1.725, allocations: 0.8784 MB / 1.419 GB, free: 12.14 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.041e-05/1.725, allocations: 28 kB / 1.419 GB, free: 12.11 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03154/1.756, allocations: 7.539 MB / 1.427 GB, free: 4.559 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004338/1.761, allocations: 0.8735 MB / 1.427 GB, free: 3.684 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6518/2.412, allocations: 15.27 MB / 1.442 GB, free: 263.8 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005141/2.418, allocations: 0.5575 MB / 1.443 GB, free: 263.8 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007933/2.418, allocations: 195.9 kB / 1.443 GB, free: 263.8 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.759e-05/2.418, allocations: 5.594 kB / 1.443 GB, free: 263.8 MB / 0.948 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 0.008526/2.427, allocations: 3.147 MB / 1.446 GB, free: 263.8 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated