Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.134/5.134, allocations: 0.5623 GB / 0.5769 GB, free: 3.348 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 0.002382/0.002381, allocations: 357.5 kB / 0.644 GB, free: 185.7 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 4.103/4.103, allocations: 410.7 MB / 1.112 GB, free: 5.965 MB / 0.6042 GB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.002763/0.002763, allocations: 194.9 kB / 1.225 GB, free: 6.105 MB / 0.7136 GB Notification: Performance of FrontEnd - loaded program: time 0.0004921/0.0004923, allocations: 16 kB / 1.348 GB, free: 8.219 MB / 0.8386 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5808/0.5813, allocations: 115.3 MB / 1.461 GB, free: 284.4 MB / 0.8542 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.01592/0.5973, allocations: 14.74 MB / 1.475 GB, free: 269.6 MB / 0.8542 GB Notification: Performance of NFInst.instExpressions: time 0.009845/0.6072, allocations: 6.087 MB / 1.481 GB, free: 263.5 MB / 0.8542 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001785/0.609, allocations: 43.81 kB / 1.481 GB, free: 263.4 MB / 0.8542 GB Notification: Performance of NFTyping.typeComponents: time 0.001065/0.6101, allocations: 333.6 kB / 1.481 GB, free: 263.1 MB / 0.8542 GB Notification: Performance of NFTyping.typeBindings: time 0.003297/0.6134, allocations: 1.12 MB / 1.483 GB, free: 262 MB / 0.8542 GB Notification: Performance of NFTyping.typeClassSections: time 0.002642/0.6161, allocations: 0.7928 MB / 1.483 GB, free: 261.2 MB / 0.8542 GB Notification: Performance of NFFlatten.flatten: time 0.005435/0.6216, allocations: 5.846 MB / 1.489 GB, free: 255.4 MB / 0.8542 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009481/0.6311, allocations: 5.954 MB / 1.495 GB, free: 249.7 MB / 0.8542 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00232/0.6334, allocations: 1.495 MB / 1.496 GB, free: 248.2 MB / 0.8542 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003262/0.6367, allocations: 2.372 MB / 1.499 GB, free: 245.8 MB / 0.8542 GB Notification: Performance of NFPackage.collectConstants: time 0.0006033/0.6374, allocations: 216 kB / 1.499 GB, free: 245.6 MB / 0.8542 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001836/0.6392, allocations: 0.6553 MB / 1.499 GB, free: 245 MB / 0.8542 GB Notification: Performance of NFScalarize.scalarize: time 0.001963/0.6412, allocations: 1.699 MB / 1.501 GB, free: 243.2 MB / 0.8542 GB Notification: Performance of NFVerifyModel.verify: time 0.0009425/0.6422, allocations: 0.6095 MB / 1.502 GB, free: 242.6 MB / 0.8542 GB Notification: Performance of NFConvertDAE.convert: time 0.005553/0.6477, allocations: 5.511 MB / 1.507 GB, free: 237.1 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 5.765e-06/0.6478, allocations: 0 / 1.507 GB, free: 237.1 MB / 0.8542 GB Notification: Performance of FrontEnd: time 2.403e-06/0.6478, allocations: 0 / 1.507 GB, free: 237.1 MB / 0.8542 GB Notification: Performance of Transformations before backend: time 0.0001047/0.6479, allocations: 0 / 1.507 GB, free: 237.1 MB / 0.8542 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.006175/0.6541, allocations: 2.845 MB / 1.51 GB, free: 234.2 MB / 0.8542 GB Notification: Performance of prepare preOptimizeDAE: time 4.225e-05/0.6542, allocations: 19.62 kB / 1.51 GB, free: 234.2 MB / 0.8542 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01458/0.6687, allocations: 2.418 MB / 1.512 GB, free: 231.8 MB / 0.8542 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004365/0.6732, allocations: 1.928 MB / 1.514 GB, free: 229.8 MB / 0.8542 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002061/0.6734, allocations: 238.1 kB / 1.514 GB, free: 229.6 MB / 0.8542 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008804/0.6743, allocations: 304 kB / 1.515 GB, free: 229.3 MB / 0.8542 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01477/0.6891, allocations: 6.37 MB / 1.521 GB, free: 222.8 MB / 0.8542 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.549e-05/0.6892, allocations: 7.938 kB / 1.521 GB, free: 222.8 MB / 0.8542 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004946/0.6897, allocations: 132 kB / 1.521 GB, free: 222.6 MB / 0.8542 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004807/0.6902, allocations: 309.3 kB / 1.521 GB, free: 222.3 MB / 0.8542 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01687/0.7071, allocations: 6.547 MB / 1.528 GB, free: 215.8 MB / 0.8542 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03311/0.7403, allocations: 24.79 MB / 1.552 GB, free: 189 MB / 0.8542 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009517/0.7498, allocations: 5.415 MB / 1.557 GB, free: 183.2 MB / 0.8542 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007364/0.7572, allocations: 2.953 MB / 1.56 GB, free: 180.3 MB / 0.8542 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003661/0.7576, allocations: 143 kB / 1.56 GB, free: 180.1 MB / 0.8542 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.467e-05/0.7577, allocations: 68.44 kB / 1.56 GB, free: 180 MB / 0.8542 GB Notification: Performance of pre-optimization done (n=230): time 6.31e-06/0.7577, allocations: 4 kB / 1.56 GB, free: 180 MB / 0.8542 GB Notification: Performance of matching and sorting (n=313): time 0.1591/0.9169, allocations: 39.47 MB / 1.599 GB, free: 140.5 MB / 0.8542 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.539e-05/0.917, allocations: 243.8 kB / 1.599 GB, free: 140.2 MB / 0.8542 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001822/0.9188, allocations: 1.222 MB / 1.6 GB, free: 139 MB / 0.8542 GB Notification: Performance of collectPreVariables (initialization): time 0.0005523/0.9194, allocations: 77.7 kB / 1.6 GB, free: 138.9 MB / 0.8542 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006616/0.9201, allocations: 1.231 MB / 1.602 GB, free: 137.6 MB / 0.8542 GB Notification: Performance of collectInitialBindings (initialization): time 0.001077/0.9212, allocations: 1.051 MB / 1.603 GB, free: 136.6 MB / 0.8542 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003461/0.9215, allocations: 68 kB / 1.603 GB, free: 136.5 MB / 0.8542 GB Notification: Performance of setup shared object (initialization): time 0.0001891/0.9217, allocations: 440.8 kB / 1.603 GB, free: 136.1 MB / 0.8542 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006957/0.9287, allocations: 2.731 MB / 1.606 GB, free: 133.3 MB / 0.8542 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01187/0.9406, allocations: 3.424 MB / 1.609 GB, free: 129.6 MB / 0.8542 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0146/0.9553, allocations: 3.15 MB / 1.612 GB, free: 126.5 MB / 0.8542 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.658e-05/0.9554, allocations: 4 kB / 1.612 GB, free: 126.5 MB / 0.8542 GB Notification: Performance of matching and sorting (n=414) (initialization): time 0.05907/1.014, allocations: 11 MB / 1.623 GB, free: 115.4 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003069/1.015, allocations: 0.6185 MB / 1.623 GB, free: 114.5 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.994e-05/1.015, allocations: 20 kB / 1.624 GB, free: 114.5 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02644/1.041, allocations: 6.287 MB / 1.63 GB, free: 108.2 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005034/1.046, allocations: 0.9361 MB / 1.631 GB, free: 107.3 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1003/1.147, allocations: 26.37 MB / 1.656 GB, free: 80.7 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004456/1.151, allocations: 0.5304 MB / 1.657 GB, free: 80.17 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006681/1.152, allocations: 143.9 kB / 1.657 GB, free: 80.03 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 1.313e-05/1.152, allocations: 7.75 kB / 1.657 GB, free: 80.02 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.008171/1.16, allocations: 3.077 MB / 1.66 GB, free: 76.93 MB / 0.8542 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated