Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.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.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.746/4.746, allocations: 0.5623 GB / 0.5775 GB, free: 66.96 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002569/0.002569, allocations: 356.1 kB / 0.6446 GB, free: 21.55 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.097/4.097, allocations: 410.7 MB / 1.113 GB, free: 15.63 MB / 0.6198 GB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001802/0.001802, allocations: 183.3 kB / 1.226 GB, free: 11.57 MB / 0.7292 GB Notification: Performance of FrontEnd - loaded program: time 0.0006497/0.0006499, allocations: 9.812 kB / 1.349 GB, free: 321.9 MB / 0.8073 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1995/0.2001, allocations: 115.3 MB / 1.461 GB, free: 220.7 MB / 0.8073 GB Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.1887/0.3889, allocations: 152.2 MB / 1.61 GB, free: 68.24 MB / 0.8073 GB Notification: Performance of NFInst.instExpressions: time 0.01459/0.4036, allocations: 8.059 MB / 1.618 GB, free: 60.17 MB / 0.8073 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001596/0.4052, allocations: 31.81 kB / 1.618 GB, free: 60.14 MB / 0.8073 GB Notification: Performance of NFTyping.typeComponents: time 0.002111/0.4074, allocations: 0.5515 MB / 1.618 GB, free: 59.58 MB / 0.8073 GB Notification: Performance of NFTyping.typeBindings: time 0.00549/0.4129, allocations: 1.527 MB / 1.62 GB, free: 58.05 MB / 0.8073 GB Notification: Performance of NFTyping.typeClassSections: time 0.004928/0.4178, allocations: 1.239 MB / 1.621 GB, free: 56.83 MB / 0.8073 GB Notification: Performance of NFFlatten.flatten: time 0.004497/0.4224, allocations: 3.102 MB / 1.624 GB, free: 53.71 MB / 0.8073 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001346/0.4238, allocations: 0.7122 MB / 1.625 GB, free: 52.99 MB / 0.8073 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001716/0.4255, allocations: 0.8246 MB / 1.626 GB, free: 52.16 MB / 0.8073 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001578/0.4271, allocations: 0.922 MB / 1.627 GB, free: 51.24 MB / 0.8073 GB Notification: Performance of NFPackage.collectConstants: time 0.0001466/0.4272, allocations: 44 kB / 1.627 GB, free: 51.2 MB / 0.8073 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002737/0.43, allocations: 0.8302 MB / 1.627 GB, free: 50.36 MB / 0.8073 GB Notification: Performance of NFScalarize.scalarize: time 0.0002681/0.4303, allocations: 211.1 kB / 1.628 GB, free: 50.16 MB / 0.8073 GB Notification: Performance of NFVerifyModel.verify: time 0.0003406/0.4306, allocations: 245.1 kB / 1.628 GB, free: 49.91 MB / 0.8073 GB Notification: Performance of NFConvertDAE.convert: time 0.001806/0.4325, allocations: 1.22 MB / 1.629 GB, free: 48.69 MB / 0.8073 GB Notification: Performance of FrontEnd - DAE generated: time 4.639e-06/0.4325, allocations: 4 kB / 1.629 GB, free: 48.68 MB / 0.8073 GB Notification: Performance of FrontEnd: time 2.144e-06/0.4325, allocations: 0 / 1.629 GB, free: 48.68 MB / 0.8073 GB Notification: Performance of Transformations before backend: time 1.491e-05/0.4325, allocations: 0 / 1.629 GB, free: 48.68 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: 195 * Number of variables: 195 Notification: Performance of Generate backend data structure: time 0.003219/0.4358, allocations: 1.384 MB / 1.63 GB, free: 47.25 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 6.59e-05/0.4358, allocations: 8.75 kB / 1.63 GB, free: 47.24 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003481/0.4362, allocations: 134.4 kB / 1.631 GB, free: 47.11 MB / 0.8073 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001789/0.438, allocations: 0.8165 MB / 1.631 GB, free: 46.25 MB / 0.8073 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.371e-05/0.4381, allocations: 62 kB / 1.631 GB, free: 46.18 MB / 0.8073 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001496/0.4382, allocations: 87.92 kB / 1.631 GB, free: 46.1 MB / 0.8073 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001949/0.4402, allocations: 0.8694 MB / 1.632 GB, free: 45.18 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.073e-05/0.4403, allocations: 3.953 kB / 1.632 GB, free: 45.18 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.979e-05/0.4404, allocations: 32 kB / 1.632 GB, free: 45.15 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.92e-05/0.4404, allocations: 20 kB / 1.632 GB, free: 45.13 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001688/0.4421, allocations: 0.644 MB / 1.633 GB, free: 44.48 MB / 0.8073 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 0.005743/0.4479, allocations: 3.958 MB / 1.637 GB, free: 40.27 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001661/0.4495, allocations: 0.5804 MB / 1.637 GB, free: 39.68 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007422/0.4503, allocations: 305 kB / 1.638 GB, free: 39.39 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009666/0.4513, allocations: 1.236 MB / 1.639 GB, free: 37.87 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008622/0.4522, allocations: 331 kB / 1.639 GB, free: 37.54 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=63): time 4.729e-06/0.4522, allocations: 4 kB / 1.639 GB, free: 37.54 MB / 0.8073 GB Notification: Performance of matching and sorting (n=63): time 0.003709/0.4559, allocations: 1.154 MB / 1.64 GB, free: 36.34 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.18e-05/0.456, allocations: 85.67 kB / 1.64 GB, free: 36.23 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001293/0.4573, allocations: 0.8571 MB / 1.641 GB, free: 35.35 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 6.922e-05/0.4574, allocations: 41.7 kB / 1.641 GB, free: 35.3 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003726/0.4577, allocations: 476.2 kB / 1.642 GB, free: 34.84 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001914/0.458, allocations: 208.9 kB / 1.642 GB, free: 34.63 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.277e-05/0.458, allocations: 12 kB / 1.642 GB, free: 34.62 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 6.907e-05/0.4581, allocations: 330 kB / 1.642 GB, free: 34.29 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006174/0.4587, allocations: 209.2 kB / 1.642 GB, free: 34.09 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006968/0.4594, allocations: 312.4 kB / 1.643 GB, free: 33.75 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007281/0.4602, allocations: 254.1 kB / 1.643 GB, free: 33.5 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.559e-06/0.4602, allocations: 0 / 1.643 GB, free: 33.5 MB / 0.8073 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.00189/0.4621, allocations: 0.7173 MB / 1.644 GB, free: 32.78 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 7.672e-05/0.4622, allocations: 151.1 kB / 1.644 GB, free: 32.6 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.398e-06/0.4622, allocations: 0 / 1.644 GB, free: 32.6 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007928/0.463, allocations: 112.7 kB / 1.644 GB, free: 32.48 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008232/0.4638, allocations: 123.8 kB / 1.644 GB, free: 32.36 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006455/0.4645, allocations: 0.6615 MB / 1.645 GB, free: 31.68 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001001/0.4655, allocations: 95.39 kB / 1.645 GB, free: 31.58 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.18e-05/0.4656, allocations: 24 kB / 1.645 GB, free: 31.56 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 9.117e-06/0.4656, allocations: 4 kB / 1.645 GB, free: 31.55 MB / 0.8073 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001492/0.4671, allocations: 0.5722 MB / 1.645 GB, free: 30.98 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.013e-06/0.4672, allocations: 4 kB / 1.645 GB, free: 30.98 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006669/0.4678, allocations: 104.8 kB / 1.646 GB, free: 30.87 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007484/0.4686, allocations: 111.8 kB / 1.646 GB, free: 30.76 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005953/0.4692, allocations: 0.6695 MB / 1.646 GB, free: 30.07 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009282/0.4702, allocations: 79.47 kB / 1.646 GB, free: 29.99 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.468e-05/0.4703, allocations: 31.94 kB / 1.646 GB, free: 29.96 MB / 0.8073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEvent,$PRE.mRoo_flow.nextTimeEventScaled,mRoo_flow.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {2 7} Notification: Performance of prepare postOptimizeDAE: time 0.0005358/0.4708, allocations: 332.9 kB / 1.647 GB, free: 29.62 MB / 0.8073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001668/0.471, allocations: 98.78 kB / 1.647 GB, free: 29.52 MB / 0.8073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002576/0.4736, allocations: 0.9474 MB / 1.648 GB, free: 28.58 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001812/0.4754, allocations: 0.8544 MB / 1.649 GB, free: 27.67 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.875e-06/0.4754, allocations: 0 / 1.649 GB, free: 27.67 MB / 0.8073 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005402/0.476, allocations: 279.5 kB / 1.649 GB, free: 27.38 MB / 0.8073 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001855/0.4762, allocations: 12 kB / 1.649 GB, free: 27.36 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008797/0.4771, allocations: 59.89 kB / 1.649 GB, free: 27.3 MB / 0.8073 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001349/0.4772, allocations: 48.59 kB / 1.649 GB, free: 27.26 MB / 0.8073 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. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.002196/0.4794, allocations: 0.6096 MB / 1.65 GB, free: 26.64 MB / 0.8073 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.