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 0.0009955/0.0009955, allocations: 93.06 kB / 19.65 MB, free: 280 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 0.001051/0.001051, allocations: 169.3 kB / 23.02 MB, free: 1.551 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 1.025/1.025, allocations: 177.1 MB / 203.4 MB, free: 5.633 MB / 186.7 MB " [Timeout remaining time 179] 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 0.02769/0.02769, allocations: 6.197 MB / 266.1 MB, free: 7.082 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 1.573e-06/1.573e-06, allocations: 0 / 337.6 MB, free: 12.76 MB / 314.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.773e-05/1.931e-05, allocations: 2.312 kB / 337.6 MB, free: 12.76 MB / 314.7 MB Notification: Performance of NFInst.instantiate(VehicleInterfaces.Examples.ConventionalVehicle_AltNames): time 0.0194/0.01942, allocations: 21.25 MB / 358.9 MB, free: 7.418 MB / 330.7 MB Notification: Performance of NFInst.instExpressions: time 0.01219/0.0316, allocations: 5.938 MB / 364.8 MB, free: 1.461 MB / 330.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004605/0.03621, allocations: 203 kB / 365 MB, free: 1.262 MB / 330.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002792/0.039, allocations: 0.923 MB / 365.9 MB, free: 340 kB / 330.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002964/0.04197, allocations: 0.8176 MB / 366.8 MB, free: 15.5 MB / 346.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.005449/0.04741, allocations: 4.563 MB / 371.3 MB, free: 10.93 MB / 346.7 MB Notification: Performance of NFFlatten.flatten: time 0.004392/0.05181, allocations: 3.386 MB / 374.7 MB, free: 7.535 MB / 346.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0049/0.05671, allocations: 3.609 MB / 378.3 MB, free: 3.848 MB / 346.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002707/0.05941, allocations: 2.136 MB / 380.5 MB, free: 1.707 MB / 346.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001768/0.06118, allocations: 1.25 MB / 381.7 MB, free: 464 kB / 346.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000636/0.06182, allocations: 376 kB / 382.1 MB, free: 88 kB / 346.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007683/0.06258, allocations: 451.8 kB / 382.5 MB, free: 15.64 MB / 362.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0005999/0.06318, allocations: 0.88 MB / 383.4 MB, free: 14.76 MB / 362.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001116/0.0643, allocations: 1.079 MB / 384.5 MB, free: 13.68 MB / 362.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003127/0.06743, allocations: 2.519 MB / 387 MB, free: 11.15 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.294e-06/0.06744, allocations: 0 / 387 MB, free: 11.15 MB / 362.7 MB Notification: Performance of FrontEnd: time 3.076e-06/0.06744, allocations: 4 kB / 387 MB, free: 11.15 MB / 362.7 MB Notification: Performance of Transformations before backend: time 8.464e-05/0.06752, allocations: 0 / 387 MB, free: 11.15 MB / 362.7 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 0.004252/0.07178, allocations: 3.301 MB / 390.3 MB, free: 7.789 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.778e-05/0.07183, allocations: 8.031 kB / 390.3 MB, free: 7.781 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007519/0.07259, allocations: 0.5369 MB / 390.8 MB, free: 7.242 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002075/0.07466, allocations: 1.713 MB / 392.6 MB, free: 5.48 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001346/0.0748, allocations: 197 kB / 392.7 MB, free: 5.285 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002633/0.07506, allocations: 259.8 kB / 393 MB, free: 5.031 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002669/0.07773, allocations: 2.113 MB / 395.1 MB, free: 2.742 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.11e-05/0.0778, allocations: 31.83 kB / 395.1 MB, free: 2.711 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001329/0.07793, allocations: 100 kB / 395.2 MB, free: 2.613 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001081/0.07804, allocations: 120 kB / 395.4 MB, free: 2.496 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001776/0.07982, allocations: 1.115 MB / 396.5 MB, free: 1.359 MB / 362.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009161/0.08898, allocations: 10 MB / 406.5 MB, free: 7.02 MB / 378.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001085/0.09006, allocations: 0.6334 MB / 407.1 MB, free: 6.355 MB / 378.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004503/0.09051, allocations: 306.2 kB / 407.4 MB, free: 6.051 MB / 378.7 MB Notification: Performance of preOpt evalFunc (simulation): time 7.321e-05/0.09059, allocations: 24.94 kB / 407.4 MB, free: 6.027 MB / 378.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.285e-05/0.09063, allocations: 50.38 kB / 407.5 MB, free: 5.969 MB / 378.7 MB Notification: Performance of pre-optimization done (n=107): time 3.947e-06/0.09063, allocations: 0 / 407.5 MB, free: 5.969 MB / 378.7 MB Notification: Performance of matching and sorting (n=133): time 0.0065/0.09713, allocations: 4.038 MB / 411.5 MB, free: 1.918 MB / 378.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.006e-05/0.09718, allocations: 94.42 kB / 411.6 MB, free: 1.805 MB / 378.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001555/0.09874, allocations: 1.629 MB / 413.2 MB, free: 124 kB / 378.7 MB Notification: Performance of collectPreVariables (initialization): time 7.683e-05/0.09881, allocations: 73.69 kB / 413.3 MB, free: 44 kB / 378.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.000819/0.09963, allocations: 1.485 MB / 414.8 MB, free: 14.54 MB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000285/0.09992, allocations: 476.2 kB / 415.3 MB, free: 14.07 MB / 394.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000435/0.1004, allocations: 449.7 kB / 415.7 MB, free: 13.62 MB / 394.7 MB Notification: Performance of setup shared object (initialization): time 0.0001256/0.1005, allocations: 480.8 kB / 416.2 MB, free: 13.15 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005729/0.1011, allocations: 356.2 kB / 416.5 MB, free: 12.8 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001188/0.1022, allocations: 1.619 MB / 418.1 MB, free: 10.6 MB / 394.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001684/0.1039, allocations: 1.992 MB / 420.1 MB, free: 8.043 MB / 394.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.203e-05/0.1039, allocations: 8 kB / 420.1 MB, free: 8.035 MB / 394.7 MB Notification: Performance of matching and sorting (n=279) (initialization): time 0.002828/0.1068, allocations: 2.044 MB / 422.2 MB, free: 5.977 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.079e-05/0.1068, allocations: 16 kB / 422.2 MB, free: 5.961 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.954e-05/0.1068, allocations: 32 kB / 422.2 MB, free: 5.93 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001155/0.108, allocations: 0.753 MB / 423 MB, free: 5.176 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006771/0.1087, allocations: 407.3 kB / 423.4 MB, free: 4.777 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001273/0.1099, allocations: 1.343 MB / 424.7 MB, free: 3.398 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000975/0.1109, allocations: 175.6 kB / 424.9 MB, free: 3.227 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001039/0.111, allocations: 108 kB / 425 MB, free: 3.121 MB / 394.7 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 0.0006238/0.1116, allocations: 347.7 kB / 425.3 MB, free: 2.77 MB / 394.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00026/0.1119, allocations: 258.5 kB / 425.6 MB, free: 2.516 MB / 394.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001629/0.1135, allocations: 1.16 MB / 426.8 MB, free: 1.344 MB / 394.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.082e-05/0.1135, allocations: 15.94 kB / 426.8 MB, free: 1.328 MB / 394.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.662e-06/0.1135, allocations: 3.984 kB / 426.8 MB, free: 1.324 MB / 394.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.007e-05/0.1136, allocations: 11.97 kB / 426.8 MB, free: 1.312 MB / 394.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004317/0.1179, allocations: 3.242 MB / 430 MB, free: 13.96 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.514e-06/0.1179, allocations: 4 kB / 430 MB, free: 13.95 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003381/0.1182, allocations: 155.9 kB / 430.2 MB, free: 13.8 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009056/0.1191, allocations: 0.6966 MB / 430.9 MB, free: 13.1 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.158e-05/0.1192, allocations: 39.95 kB / 430.9 MB, free: 13.06 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001228/0.1204, allocations: 1.254 MB / 432.2 MB, free: 11.77 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.206e-06/0.1204, allocations: 4 kB / 432.2 MB, free: 11.77 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002199/0.1226, allocations: 1.729 MB / 433.9 MB, free: 9.992 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000612/0.1232, allocations: 346.4 kB / 434.2 MB, free: 9.652 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001806/0.1234, allocations: 52 kB / 434.3 MB, free: 9.602 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004004/0.1238, allocations: 71.95 kB / 434.4 MB, free: 9.531 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002871/0.1241, allocations: 216.8 kB / 434.6 MB, free: 9.32 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.963e-05/0.1242, allocations: 51.95 kB / 434.6 MB, free: 9.27 MB / 410.7 MB Notification: Performance of sorting global known variables: time 0.0009847/0.1251, allocations: 0.8611 MB / 435.5 MB, free: 8.387 MB / 410.7 MB Notification: Performance of sort global known variables: time 1.41e-07/0.1251, allocations: 0 / 435.5 MB, free: 8.387 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.001334/0.1265, allocations: 464 kB / 435.9 MB, free: 7.934 MB / 410.7 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 0.0009286/0.1274, allocations: 408.9 kB / 436.3 MB, free: 7.648 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.001993/0.1294, allocations: 1.22 MB / 437.6 MB, free: 6.43 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 4.158e-06/0.1294, allocations: 0 / 437.6 MB, free: 6.43 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0008148/0.1302, allocations: 0.5219 MB / 438.1 MB, free: 5.906 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001124/0.1313, allocations: 393.8 kB / 438.5 MB, free: 5.523 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005885/0.1372, allocations: 4.034 MB / 442.5 MB, free: 1.406 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003286/0.1376, allocations: 419.2 kB / 442.9 MB, free: 0.9727 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0006289/0.1382, allocations: 287.4 kB / 443.2 MB, free: 0.6875 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002613/0.1384, allocations: 136.4 kB / 443.3 MB, free: 0.5547 MB / 410.7 MB Notification: Performance of SimCode: time 2.365e-06/0.1384, allocations: 4 kB / 443.3 MB, free: 0.5508 MB / 410.7 MB Notification: Performance of Templates: time 0.1812/0.3196, allocations: 23.9 MB / 467.2 MB, free: 105.8 MB / 410.7 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: 3.871175351087004]