Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.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 0.002447/0.002447, allocations: 85.48 kB / 19.44 MB, free: 344 kB / 13.93 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 0.002865/0.002865, allocations: 173.2 kB / 22.76 MB, free: 1.664 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 1.568/1.568, allocations: 177.1 MB / 203.1 MB, free: 5.543 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/package.mo): time 0.05397/0.05397, allocations: 6.207 MB / 265.8 MB, free: 7.129 MB / 250.7 MB " [Timeout remaining time 180] Using package VehicleInterfaces with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/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(VehicleInterfaces.Examples.ConventionalVehicle_AltNames,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames") translateModel(VehicleInterfaces.Examples.ConventionalVehicle_AltNames,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.352e-06/1.352e-06, allocations: 0 / 336.9 MB, free: 12.07 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.998e-05/2.133e-05, allocations: 4.844 kB / 336.9 MB, free: 12.07 MB / 266.7 MB Notification: Performance of NFInst.instantiate(VehicleInterfaces.Examples.ConventionalVehicle_AltNames): time 0.02244/0.02246, allocations: 21.09 MB / 358 MB, free: 6.883 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.01352/0.03598, allocations: 5.92 MB / 363.9 MB, free: 0.9453 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003414/0.03939, allocations: 207 kB / 364.1 MB, free: 0.7422 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.00237/0.04176, allocations: 0.9268 MB / 365 MB, free: 15.81 MB / 298.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002286/0.04405, allocations: 0.8136 MB / 365.9 MB, free: 14.99 MB / 298.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.009399/0.05345, allocations: 4.548 MB / 370.4 MB, free: 10.43 MB / 298.7 MB Notification: Performance of NFFlatten.flatten: time 0.00499/0.05844, allocations: 3.397 MB / 373.8 MB, free: 7.02 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005754/0.06419, allocations: 3.593 MB / 377.4 MB, free: 3.344 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003251/0.06745, allocations: 2.144 MB / 379.5 MB, free: 1.195 MB / 298.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002063/0.06951, allocations: 1.243 MB / 380.8 MB, free: 15.95 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0005538/0.07006, allocations: 376 kB / 381.1 MB, free: 15.58 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007663/0.07083, allocations: 447.9 kB / 381.6 MB, free: 15.14 MB / 314.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0009072/0.07174, allocations: 0.8839 MB / 382.5 MB, free: 14.25 MB / 314.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001484/0.07322, allocations: 1.075 MB / 383.5 MB, free: 13.18 MB / 314.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005384/0.0786, allocations: 4.319 MB / 387.9 MB, free: 8.844 MB / 314.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.878e-06/0.07861, allocations: 0 / 387.9 MB, free: 8.844 MB / 314.7 MB Notification: Performance of FrontEnd: time 1.302e-06/0.07861, allocations: 0 / 387.9 MB, free: 8.844 MB / 314.7 MB Notification: Performance of Transformations before backend: time 7.468e-05/0.07868, allocations: 0 / 387.9 MB, free: 8.844 MB / 314.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 675 * Number of variables: 675 Notification: Performance of Generate backend data structure: time 0.006819/0.0855, allocations: 3.625 MB / 391.5 MB, free: 5.16 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.229e-05/0.08554, allocations: 8.031 kB / 391.5 MB, free: 5.152 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001115/0.08666, allocations: 0.5408 MB / 392 MB, free: 4.609 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003047/0.08971, allocations: 1.724 MB / 393.8 MB, free: 2.84 MB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001992/0.08991, allocations: 193 kB / 393.9 MB, free: 2.648 MB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004231/0.09033, allocations: 271.8 kB / 394.2 MB, free: 2.383 MB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005254/0.09558, allocations: 2.91 MB / 397.1 MB, free: 15.3 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001157/0.0957, allocations: 23.91 kB / 397.1 MB, free: 15.27 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002372/0.09594, allocations: 104 kB / 397.2 MB, free: 15.17 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001556/0.09609, allocations: 123.9 kB / 397.4 MB, free: 15.05 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004186/0.1003, allocations: 1.833 MB / 399.2 MB, free: 13.2 MB / 330.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01773/0.118, allocations: 12.06 MB / 411.3 MB, free: 0.7422 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.1043/0.2223, allocations: 0.9474 MB / 412.2 MB, free: 79.34 MB / 330.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00106/0.2234, allocations: 0.4938 MB / 412.7 MB, free: 79.31 MB / 330.7 MB Notification: Performance of preOpt evalFunc (simulation): time 9.852e-05/0.2235, allocations: 19.62 kB / 412.7 MB, free: 79.31 MB / 330.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.302e-05/0.2235, allocations: 54.64 kB / 412.8 MB, free: 79.27 MB / 330.7 MB Notification: Performance of pre-optimization done (n=107): time 3.276e-06/0.2235, allocations: 0 / 412.8 MB, free: 79.27 MB / 330.7 MB Notification: Performance of matching and sorting (n=133): time 0.01067/0.2342, allocations: 5.071 MB / 417.8 MB, free: 78.29 MB / 330.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.549e-05/0.2342, allocations: 96.22 kB / 417.9 MB, free: 78.2 MB / 330.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00245/0.2367, allocations: 2.304 MB / 420.2 MB, free: 77.3 MB / 330.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001088/0.2368, allocations: 71.52 kB / 420.3 MB, free: 77.25 MB / 330.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0008512/0.2376, allocations: 1.612 MB / 421.9 MB, free: 76.17 MB / 330.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003215/0.2379, allocations: 0.5086 MB / 422.4 MB, free: 75.85 MB / 330.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005795/0.2385, allocations: 0.5654 MB / 423 MB, free: 75.55 MB / 330.7 MB Notification: Performance of setup shared object (initialization): time 5.653e-05/0.2386, allocations: 482.2 kB / 423.5 MB, free: 75.08 MB / 330.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001027/0.2396, allocations: 0.6036 MB / 424.1 MB, free: 74.88 MB / 330.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001329/0.2409, allocations: 1.949 MB / 426 MB, free: 72.95 MB / 330.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002015/0.243, allocations: 2.497 MB / 428.5 MB, free: 70.55 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.241e-05/0.243, allocations: 8 kB / 428.5 MB, free: 70.55 MB / 330.7 MB Notification: Performance of matching and sorting (n=279) (initialization): time 0.003922/0.2469, allocations: 2.668 MB / 431.2 MB, free: 68.07 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.733e-05/0.2469, allocations: 20.22 kB / 431.2 MB, free: 68.05 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.5e-05/0.2469, allocations: 32 kB / 431.2 MB, free: 68.02 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001589/0.2485, allocations: 1.011 MB / 432.3 MB, free: 67.15 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001043/0.2496, allocations: 407.7 kB / 432.7 MB, free: 66.79 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001934/0.2515, allocations: 1.9 MB / 434.6 MB, free: 64.93 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001464/0.253, allocations: 173.7 kB / 434.7 MB, free: 64.79 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001237/0.2531, allocations: 111.6 kB / 434.8 MB, free: 64.68 MB / 330.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 135 * Number of states: 0 () * Number of discrete variables: 57 (controlBus.driverBus.ignition,brakes.brake_4.mode,$PRE.brakes.brake_4.mode,brakes.brake_4.locked,brakes.brake_4.startBackward,$PRE.brakes.brake_4.startBackward,brakes.brake_4.startForward,$PRE.brakes.brake_4.startForward,brakes.brake_4.free,brakes.brake_3.mode,$PRE.brakes.brake_3.mode,brakes.brake_3.locked,brakes.brake_3.startBackward,$PRE.brakes.brake_3.startBackward,brakes.brake_3.startForward,$PRE.brakes.brake_3.startForward,brakes.brake_3.free,brakes.brake_2.mode,$PRE.brakes.brake_2.mode,brakes.brake_2.locked,brakes.brake_2.startBackward,$PRE.brakes.brake_2.startBackward,brakes.brake_2.startForward,$PRE.brakes.brake_2.startForward,brakes.brake_2.free,brakes.brake_1.mode,$PRE.brakes.brake_1.mode,brakes.brake_1.locked,brakes.brake_1.startBackward,$PRE.brakes.brake_1.startBackward,brakes.brake_1.startForward,$PRE.brakes.brake_1.startForward,brakes.brake_1.free,world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],accessories.inertia.cylinderColor[3],accessories.inertia.cylinderColor[2],accessories.inertia.cylinderColor[1],driveline.leftHalfShaft.cylinderColor[3],driveline.leftHalfShaft.cylinderColor[2],driveline.leftHalfShaft.cylinderColor[1],driveline.rightHalfShaft.cylinderColor[3],driveline.rightHalfShaft.cylinderColor[2],driveline.rightHalfShaft.cylinderColor[1],engine.flywheel.cylinderColor[3],engine.flywheel.cylinderColor[2],engine.flywheel.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (227): * Single equations (assignments): 226 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(4,49)} Notification: Performance of prepare postOptimizeDAE: time 0.0008621/0.254, allocations: 0.5925 MB / 435.4 MB, free: 64.08 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003469/0.2543, allocations: 254.6 kB / 435.7 MB, free: 63.83 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002731/0.257, allocations: 1.632 MB / 437.3 MB, free: 62.19 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.117e-06/0.257, allocations: 16 kB / 437.3 MB, free: 62.18 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.809e-06/0.257, allocations: 0 / 437.3 MB, free: 62.18 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.126e-05/0.2571, allocations: 3.984 kB / 437.3 MB, free: 62.17 MB / 330.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006674/0.2637, allocations: 4.618 MB / 441.9 MB, free: 57.48 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.683e-06/0.2637, allocations: 160 / 441.9 MB, free: 57.48 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005593/0.2643, allocations: 155.8 kB / 442.1 MB, free: 57.33 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001423/0.2657, allocations: 0.8756 MB / 443 MB, free: 56.46 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.329e-05/0.2658, allocations: 47.89 kB / 443 MB, free: 56.41 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001929/0.2677, allocations: 1.691 MB / 444.7 MB, free: 54.69 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.054e-06/0.2677, allocations: 0 / 444.7 MB, free: 54.69 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003564/0.2713, allocations: 2.577 MB / 447.3 MB, free: 52.06 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007159/0.272, allocations: 338.5 kB / 447.6 MB, free: 51.73 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002456/0.2723, allocations: 51.98 kB / 447.7 MB, free: 51.68 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007697/0.273, allocations: 71.88 kB / 447.7 MB, free: 51.61 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003619/0.2734, allocations: 228.8 kB / 448 MB, free: 51.38 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.055e-05/0.2735, allocations: 47.98 kB / 448 MB, free: 51.34 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.001254/0.2747, allocations: 1.162 MB / 449.2 MB, free: 50.15 MB / 330.7 MB Notification: Performance of sort global known variables: time 1.01e-07/0.2747, allocations: 0 / 449.2 MB, free: 50.15 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.001561/0.2763, allocations: 463.9 kB / 449.6 MB, free: 49.7 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 2 (chassis.body.s,chassis.dragForces.v_rel) * Number of discrete variables: 21 (brakes.brake_1.free,brakes.brake_1.startForward,brakes.brake_1.startBackward,brakes.brake_1.locked,brakes.brake_1.mode,brakes.brake_2.free,brakes.brake_2.startForward,brakes.brake_2.startBackward,brakes.brake_2.locked,brakes.brake_2.mode,brakes.brake_3.free,brakes.brake_3.startForward,brakes.brake_3.startBackward,brakes.brake_3.locked,brakes.brake_3.mode,brakes.brake_4.free,brakes.brake_4.startForward,brakes.brake_4.startBackward,brakes.brake_4.locked,brakes.brake_4.mode,controlBus.driverBus.ignition) * Number of discrete states: 12 (brakes.brake_1.mode,brakes.brake_1.startForward,brakes.brake_1.startBackward,brakes.brake_2.mode,brakes.brake_2.startForward,brakes.brake_2.startBackward,brakes.brake_3.mode,brakes.brake_3.startForward,brakes.brake_3.startBackward,brakes.brake_4.mode,brakes.brake_4.startForward,brakes.brake_4.startBackward) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (89): * Single equations (assignments): 88 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(4,42)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002439/0.2787, allocations: 463 kB / 450.1 MB, free: 49.41 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.002821/0.2816, allocations: 1.746 MB / 451.8 MB, free: 47.67 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 3.466e-06/0.2816, allocations: 8 kB / 451.8 MB, free: 47.66 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001584/0.2831, allocations: 0.7446 MB / 452.6 MB, free: 46.91 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001647/0.2848, allocations: 384.5 kB / 453 MB, free: 46.54 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006098/0.2909, allocations: 4.269 MB / 457.2 MB, free: 42.2 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007884/0.2917, allocations: 1.053 MB / 458.3 MB, free: 41.12 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.0006598/0.2923, allocations: 291.4 kB / 458.6 MB, free: 40.83 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000269/0.2926, allocations: 132.5 kB / 458.7 MB, free: 40.7 MB / 330.7 MB Notification: Performance of SimCode: time 1.002e-06/0.2926, allocations: 0 / 458.7 MB, free: 40.7 MB / 330.7 MB Notification: Performance of Templates: time 0.03579/0.3284, allocations: 23.86 MB / 482.6 MB, free: 17.11 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.makefile [Timeout 660] (rm -f VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.pipe ; mkfifo VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.pipe ; head -c 1048576 < VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.pipe >> ../files/VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.sim & ./VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames -abortSlowSimulation -alarm=240 -lv LOG_STATS > VehicleInterfaces_VehicleInterfaces.Examples.ConventionalVehicle_AltNames.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.441504586022347]