Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.173/2.173, allocations: 252.6 MB / 265.2 MB, free: 5.707 MB / 202.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001468/0.001467, allocations: 175.8 kB / 324.5 MB, free: 14.42 MB / 266.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.271/2.271, allocations: 205.4 MB / 0.5753 GB, free: 10.5 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001159/0.001159, allocations: 102.2 kB / 0.6797 GB, free: 15.73 MB / 0.5261 GB Notification: Performance of FrontEnd - loaded program: time 3.233e-05/3.247e-05, allocations: 4 kB / 0.7912 GB, free: 96.59 MB / 0.5417 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1962/0.1962, allocations: 106.2 MB / 0.8949 GB, free: 6.262 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.008/1.205, allocations: 192.6 MB / 1.083 GB, free: 8.414 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004267/1.205, allocations: 118.1 kB / 1.083 GB, free: 8.34 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5914/1.796, allocations: 124.1 MB / 1.204 GB, free: 1.223 MB / 0.8073 GB Notification: Performance of FrontEnd: time 2.254e-06/1.796, allocations: 8 kB / 1.204 GB, free: 1.215 MB / 0.8073 GB Notification: Performance of Transformations before backend: time 0.0001987/1.797, allocations: 67.98 kB / 1.204 GB, free: 1.148 MB / 0.8073 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 0.01203/1.809, allocations: 2.697 MB / 1.207 GB, free: 14.39 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 5.037e-05/1.809, allocations: 11.97 kB / 1.207 GB, free: 14.38 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0224/1.831, allocations: 2.087 MB / 1.209 GB, free: 12.29 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007431/1.839, allocations: 2.001 MB / 1.211 GB, free: 10.24 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003751/1.839, allocations: 234.2 kB / 1.211 GB, free: 10.01 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001972/1.841, allocations: 303.9 kB / 1.211 GB, free: 9.715 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01903/1.86, allocations: 5.351 MB / 1.217 GB, free: 4.254 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001127/1.86, allocations: 3.938 kB / 1.217 GB, free: 4.25 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009129/1.861, allocations: 132 kB / 1.217 GB, free: 4.121 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009056/1.862, allocations: 285.3 kB / 1.217 GB, free: 3.84 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0175/1.88, allocations: 5.031 MB / 1.222 GB, free: 14.79 MB / 0.8386 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05624/1.936, allocations: 24.84 MB / 1.246 GB, free: 3.887 MB / 0.8542 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01214/1.948, allocations: 4.962 MB / 1.251 GB, free: 14.57 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006959/1.955, allocations: 2.31 MB / 1.253 GB, free: 12.25 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006047/1.956, allocations: 143 kB / 1.254 GB, free: 12.09 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.23e-05/1.956, allocations: 76.44 kB / 1.254 GB, free: 12 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=230): time 5.851e-06/1.956, allocations: 0 / 1.254 GB, free: 12 MB / 0.8698 GB Notification: Performance of matching and sorting (n=311): time 0.8515/2.808, allocations: 30.97 MB / 1.284 GB, free: 243 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001135/2.808, allocations: 249.4 kB / 1.284 GB, free: 242.8 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002961/2.811, allocations: 1.154 MB / 1.285 GB, free: 242.6 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.000919/2.812, allocations: 77.42 kB / 1.285 GB, free: 242.6 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001237/2.813, allocations: 1.246 MB / 1.287 GB, free: 242.1 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001981/2.815, allocations: 1.047 MB / 1.288 GB, free: 241.5 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005425/2.815, allocations: 64.81 kB / 1.288 GB, free: 241.5 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0003341/2.816, allocations: 446.4 kB / 1.288 GB, free: 241.2 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006666/2.823, allocations: 2.235 MB / 1.29 GB, free: 241.2 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007508/2.83, allocations: 2.925 MB / 1.293 GB, free: 240.4 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00749/2.838, allocations: 2.657 MB / 1.296 GB, free: 240.4 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.219e-05/2.838, allocations: 6.406 kB / 1.296 GB, free: 240.4 MB / 0.8698 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.03319/2.871, allocations: 8.419 MB / 1.304 GB, free: 240.1 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 0.001662/2.873, allocations: 7.312 MB / 1.311 GB, free: 232.5 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.282e-05/2.873, allocations: 19.31 kB / 1.311 GB, free: 232.5 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04434/2.917, allocations: 6.763 MB / 1.318 GB, free: 232.4 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007144/2.924, allocations: 0.8238 MB / 1.318 GB, free: 232.4 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04/2.964, allocations: 16.66 MB / 1.335 GB, free: 227.6 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007318/2.972, allocations: 0.5031 MB / 1.335 GB, free: 227.5 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009885/2.973, allocations: 179.8 kB / 1.335 GB, free: 227.5 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 1.38e-05/2.973, allocations: 3.781 kB / 1.335 GB, free: 227.5 MB / 0.8698 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008762/2.982, allocations: 2.711 MB / 1.338 GB, free: 226.5 MB / 0.8698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated