Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0008515/0.0008515, allocations: 91.67 kB / 20.95 MB, free: 3.301 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.003047/0.003047, allocations: 162 kB / 24.38 MB, free: 8.586 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8795/0.8795, allocations: 177.1 MB / 204.8 MB, free: 5.047 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.888/1.888, allocations: 389.6 MB / 0.6356 GB, free: 12.25 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow") translateModel(Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.343e-06/1.343e-06, allocations: 0 / 0.7756 GB, free: 5.18 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.041e-05/2.175e-05, allocations: 5.406 kB / 0.7756 GB, free: 5.176 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow): time 0.01156/0.01159, allocations: 15.83 MB / 0.791 GB, free: 5.336 MB / 0.7449 GB Notification: Performance of NFInst.instExpressions: time 0.009886/0.02147, allocations: 6.1 MB / 0.797 GB, free: 15.28 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00206/0.02353, allocations: 111.7 kB / 0.7971 GB, free: 15.17 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.001014/0.02455, allocations: 449.1 kB / 0.7975 GB, free: 14.73 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.002287/0.02683, allocations: 1.16 MB / 0.7987 GB, free: 13.57 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.002229/0.02906, allocations: 1.333 MB / 0.8 GB, free: 12.25 MB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.003278/0.03234, allocations: 3.18 MB / 0.8031 GB, free: 9.066 MB / 0.7605 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001697/0.03404, allocations: 1.058 MB / 0.8041 GB, free: 7.996 MB / 0.7605 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00217/0.03621, allocations: 1.613 MB / 0.8057 GB, free: 6.414 MB / 0.7605 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008891/0.03709, allocations: 0.7669 MB / 0.8064 GB, free: 5.645 MB / 0.7605 GB Notification: Performance of NFPackage.collectConstants: time 0.0001369/0.03723, allocations: 93.72 kB / 0.8065 GB, free: 5.555 MB / 0.7605 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008464/0.03808, allocations: 0.4951 MB / 0.807 GB, free: 5.059 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0002082/0.03829, allocations: 306.5 kB / 0.8073 GB, free: 4.758 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.000401/0.03869, allocations: 462.8 kB / 0.8077 GB, free: 4.305 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.001391/0.04008, allocations: 1.215 MB / 0.8089 GB, free: 3.086 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 4.428e-06/0.04008, allocations: 0 / 0.8089 GB, free: 3.086 MB / 0.7605 GB Notification: Performance of FrontEnd: time 8.62e-07/0.04008, allocations: 0 / 0.8089 GB, free: 3.086 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 1.612e-05/0.0401, allocations: 0.5938 kB / 0.8089 GB, free: 3.086 MB / 0.7605 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 213 * Number of variables: 213 Notification: Performance of Generate backend data structure: time 0.001501/0.0416, allocations: 1.538 MB / 0.8104 GB, free: 1.523 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 3.63e-05/0.04164, allocations: 13.84 kB / 0.8104 GB, free: 1.512 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000391/0.04203, allocations: 222.9 kB / 0.8106 GB, free: 1.297 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000898/0.04293, allocations: 0.7652 MB / 0.8114 GB, free: 500 kB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.42e-05/0.04297, allocations: 66.38 kB / 0.8114 GB, free: 432 kB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.738e-05/0.04304, allocations: 84.94 kB / 0.8115 GB, free: 348 kB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007386/0.04378, allocations: 0.8724 MB / 0.8124 GB, free: 15.36 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.537e-05/0.04379, allocations: 0 / 0.8124 GB, free: 15.36 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.673e-05/0.04384, allocations: 41.56 kB / 0.8124 GB, free: 15.32 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.454e-05/0.04385, allocations: 20 kB / 0.8124 GB, free: 15.3 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002677/0.04412, allocations: 244.3 kB / 0.8127 GB, free: 15.06 MB / 0.7761 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 0.002314/0.04643, allocations: 3.215 MB / 0.8158 GB, free: 11.74 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003034/0.04674, allocations: 210.7 kB / 0.816 GB, free: 11.53 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.8e-05/0.04681, allocations: 63.59 kB / 0.8161 GB, free: 11.46 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000101/0.04691, allocations: 28.61 kB / 0.8161 GB, free: 11.43 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.481e-05/0.04693, allocations: 44.14 kB / 0.8161 GB, free: 11.38 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=29): time 2.715e-06/0.04693, allocations: 0 / 0.8161 GB, free: 11.38 MB / 0.7761 GB Notification: Performance of matching and sorting (n=29): time 0.0007439/0.04768, allocations: 382.9 kB / 0.8165 GB, free: 11 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.618e-05/0.0477, allocations: 60.02 kB / 0.8166 GB, free: 10.93 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004856/0.04819, allocations: 0.7639 MB / 0.8173 GB, free: 10.15 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 3.183e-05/0.04822, allocations: 33.7 kB / 0.8173 GB, free: 10.11 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002322/0.04845, allocations: 481.4 kB / 0.8178 GB, free: 9.633 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 6.83e-05/0.04852, allocations: 111 kB / 0.8179 GB, free: 9.523 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001086/0.04863, allocations: 106 kB / 0.818 GB, free: 9.414 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 8.852e-05/0.04872, allocations: 330.5 kB / 0.8183 GB, free: 9.086 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001056/0.04882, allocations: 63.8 kB / 0.8184 GB, free: 9.02 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002532/0.04908, allocations: 420.8 kB / 0.8188 GB, free: 8.488 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003337/0.04941, allocations: 380.4 kB / 0.8192 GB, free: 8.035 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.001e-06/0.04942, allocations: 4 kB / 0.8192 GB, free: 8.031 MB / 0.7761 GB Notification: Performance of matching and sorting (n=60) (initialization): time 0.0004989/0.04992, allocations: 390.6 kB / 0.8195 GB, free: 7.637 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 2.278e-05/0.04994, allocations: 8 kB / 0.8195 GB, free: 7.629 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.161e-05/0.04995, allocations: 8.844 kB / 0.8195 GB, free: 7.621 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004414/0.05039, allocations: 116.9 kB / 0.8197 GB, free: 7.5 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002932/0.05069, allocations: 134 kB / 0.8198 GB, free: 7.371 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007333/0.05142, allocations: 1.603 MB / 0.8213 GB, free: 5.691 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003759/0.05179, allocations: 64.64 kB / 0.8214 GB, free: 5.629 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.325e-05/0.05184, allocations: 24.94 kB / 0.8214 GB, free: 5.605 MB / 0.7761 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 29 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (52): * Single equations (assignments): 49 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,2), (1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0003037/0.05214, allocations: 156.4 kB / 0.8216 GB, free: 5.441 MB / 0.7761 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.046e-05/0.05223, allocations: 59.92 kB / 0.8216 GB, free: 5.383 MB / 0.7761 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006082/0.05284, allocations: 374.8 kB / 0.822 GB, free: 5.004 MB / 0.7761 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.34e-05/0.05285, allocations: 7.984 kB / 0.822 GB, free: 4.996 MB / 0.7761 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.809e-06/0.05286, allocations: 11.94 kB / 0.822 GB, free: 4.984 MB / 0.7761 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.614e-06/0.05287, allocations: 0 / 0.822 GB, free: 4.984 MB / 0.7761 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001165/0.05403, allocations: 0.8977 MB / 0.8229 GB, free: 4.031 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.602e-06/0.05404, allocations: 4 kB / 0.8229 GB, free: 4.027 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002151/0.05425, allocations: 72.06 kB / 0.823 GB, free: 3.957 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000223/0.05448, allocations: 102.5 kB / 0.8231 GB, free: 3.848 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.745e-05/0.05449, allocations: 11.98 kB / 0.8231 GB, free: 3.836 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005512/0.05504, allocations: 1.594 MB / 0.8246 GB, free: 2.164 MB / 0.7761 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.396e-06/0.05505, allocations: 4 kB / 0.8246 GB, free: 2.16 MB / 0.7761 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004205/0.05547, allocations: 473.5 kB / 0.8251 GB, free: 1.648 MB / 0.7761 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002111/0.05568, allocations: 139.2 kB / 0.8252 GB, free: 1.512 MB / 0.7761 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.361e-05/0.05573, allocations: 11.94 kB / 0.8252 GB, free: 1.5 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002038/0.05594, allocations: 28.08 kB / 0.8253 GB, free: 1.473 MB / 0.7761 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.004e-05/0.05599, allocations: 35.92 kB / 0.8253 GB, free: 1.438 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.995e-05/0.05602, allocations: 19.98 kB / 0.8253 GB, free: 1.418 MB / 0.7761 GB Notification: Performance of sorting global known variables: time 0.0002784/0.0563, allocations: 383.8 kB / 0.8257 GB, free: 1.031 MB / 0.7761 GB Notification: Performance of sort global known variables: time 1.9e-07/0.0563, allocations: 0 / 0.8257 GB, free: 1.031 MB / 0.7761 GB Notification: Performance of remove unused functions: time 0.0005733/0.05687, allocations: 303.2 kB / 0.826 GB, free: 0.7344 MB / 0.7761 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,3), (1,2), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002962/0.05717, allocations: 168.1 kB / 0.8261 GB, free: 0.5586 MB / 0.7761 GB Notification: Performance of simCode: created initialization part: time 0.0004635/0.05763, allocations: 262.9 kB / 0.8264 GB, free: 308 kB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 1.599e-05/0.05765, allocations: 12 kB / 0.8264 GB, free: 296 kB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 0.000197/0.05784, allocations: 141.6 kB / 0.8265 GB, free: 152 kB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000935/0.05878, allocations: 441.2 kB / 0.8269 GB, free: 15.73 MB / 0.7917 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001979/0.06076, allocations: 1.653 MB / 0.8286 GB, free: 14.02 MB / 0.7917 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001247/0.06088, allocations: 211.5 kB / 0.8288 GB, free: 13.79 MB / 0.7917 GB Notification: Performance of simCode: alias equations: time 0.0003485/0.06123, allocations: 122.1 kB / 0.8289 GB, free: 13.67 MB / 0.7917 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005527/0.06178, allocations: 330.9 kB / 0.8292 GB, free: 13.35 MB / 0.7917 GB Notification: Performance of SimCode: time 1.082e-06/0.06178, allocations: 4 kB / 0.8292 GB, free: 13.34 MB / 0.7917 GB Notification: Performance of Templates: time 0.02124/0.08302, allocations: 17.48 MB / 0.8463 GB, free: 12.27 MB / 0.8074 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe >> ../files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.sim & (cd run_cvode && ../Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s cvode) > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_gbode.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_gbode.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_gbode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_gbode.sim & (cd run_gbode && ../Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s gbode -gbm=radauIIA3) > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_gbode.pipe 2>&1) [Timeout 240] (rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_ida.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_ida.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_ida.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_ida.sim & (cd run_ida && ../Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s ida) > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_ida.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.242792024277151]