Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001426/0.001426, allocations: 119.3 kB / 17.74 MB, free: 5.32 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001622/0.001622, allocations: 186.9 kB / 20.68 MB, free: 2.391 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.556/1.556, allocations: 222.9 MB / 246.4 MB, free: 4.191 MB / 190.1 MB " [Timeout remaining time 178] Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Modelica.Mechanics.Translational.Examples.Vehicle,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_Translational_Examples_Vehicle",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.Translational.Examples.Vehicle,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_Translational_Examples_Vehicle",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.00207/0.00207, allocations: 47.92 kB / 357.5 MB, free: 8.812 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1275/0.1296, allocations: 49.44 MB / 406.9 MB, free: 7.328 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.Translational.Examples.Vehicle): time 0.008315/0.138, allocations: 6.22 MB / 413.2 MB, free: 1.082 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.004402/0.1424, allocations: 2.142 MB / 415.3 MB, free: 14.93 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008221/0.1433, allocations: 27.88 kB / 415.3 MB, free: 14.91 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0009336/0.1442, allocations: 421.4 kB / 415.7 MB, free: 14.49 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00131/0.1456, allocations: 448.9 kB / 416.2 MB, free: 14.05 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001319/0.1469, allocations: 0.5302 MB / 416.7 MB, free: 13.52 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.002138/0.1491, allocations: 1.484 MB / 418.2 MB, free: 12.03 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009389/0.15, allocations: 0.5476 MB / 418.7 MB, free: 11.46 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0009382/0.151, allocations: 0.5487 MB / 419.3 MB, free: 10.91 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.000961/0.1519, allocations: 0.6534 MB / 419.9 MB, free: 10.25 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002313/0.1522, allocations: 128 kB / 420.1 MB, free: 10.13 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003833/0.1526, allocations: 168 kB / 420.2 MB, free: 9.965 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.000305/0.1529, allocations: 302.9 kB / 420.5 MB, free: 9.668 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0006736/0.1536, allocations: 0.6489 MB / 421.2 MB, free: 9.016 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002075/0.1557, allocations: 1.642 MB / 422.8 MB, free: 7.367 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/0.1557, allocations: 4 kB / 422.8 MB, free: 7.363 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.753e-06/0.1557, allocations: 0 / 422.8 MB, free: 7.363 MB / 350.1 MB Notification: Performance of Transformations before backend: time 3.749e-05/0.1557, allocations: 0 / 422.8 MB, free: 7.363 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 249 * Number of variables: 249 Notification: Performance of Generate backend data structure: time 0.003095/0.1588, allocations: 1.6 MB / 424.4 MB, free: 5.703 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.883e-05/0.1589, allocations: 8.031 kB / 424.4 MB, free: 5.695 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001885/0.1591, allocations: 148.4 kB / 424.6 MB, free: 5.543 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002643/0.1594, allocations: 148 kB / 424.7 MB, free: 5.398 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001361/0.1607, allocations: 0.7712 MB / 425.5 MB, free: 4.586 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.413e-05/0.1608, allocations: 77.94 kB / 425.6 MB, free: 4.512 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001598/0.161, allocations: 104 kB / 425.7 MB, free: 4.41 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001694/0.1627, allocations: 0.9079 MB / 426.6 MB, free: 3.484 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.862e-05/0.1628, allocations: 15.95 kB / 426.6 MB, free: 3.469 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.124e-05/0.1629, allocations: 39.94 kB / 426.6 MB, free: 3.43 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.394e-05/0.1629, allocations: 27.94 kB / 426.6 MB, free: 3.402 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00132/0.1642, allocations: 0.6364 MB / 427.3 MB, free: 2.77 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1952/0.3594, allocations: 3.21 MB / 430.5 MB, free: 20.89 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001336/0.3608, allocations: 0.608 MB / 431.1 MB, free: 20.86 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004933/0.3613, allocations: 295.8 kB / 431.4 MB, free: 20.85 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 6.011e-05/0.3614, allocations: 15.09 kB / 431.4 MB, free: 20.85 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006313/0.3621, allocations: 345.9 kB / 431.7 MB, free: 20.79 MB / 350.1 MB Notification: Performance of pre-optimization done (n=80): time 4.489e-06/0.3621, allocations: 0 / 431.7 MB, free: 20.79 MB / 350.1 MB Notification: Performance of matching and sorting (n=100): time 0.005868/0.3679, allocations: 3.093 MB / 434.8 MB, free: 20.12 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.352e-05/0.368, allocations: 63.95 kB / 434.9 MB, free: 20.06 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00147/0.3695, allocations: 0.9288 MB / 435.8 MB, free: 19.93 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 7.462e-05/0.3696, allocations: 44.19 kB / 435.9 MB, free: 19.9 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004226/0.37, allocations: 0.5197 MB / 436.4 MB, free: 19.72 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003103/0.3703, allocations: 366 kB / 436.7 MB, free: 19.53 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002438/0.3706, allocations: 156 kB / 436.9 MB, free: 19.52 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 9.326e-05/0.3707, allocations: 345.5 kB / 437.2 MB, free: 19.21 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005455/0.3712, allocations: 266.7 kB / 437.5 MB, free: 19.21 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006255/0.3719, allocations: 434.8 kB / 437.9 MB, free: 19.06 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001205/0.3731, allocations: 0.7462 MB / 438.7 MB, free: 18.91 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.799e-06/0.3731, allocations: 1.281 kB / 438.7 MB, free: 18.91 MB / 350.1 MB Notification: Performance of matching and sorting (n=125) (initialization): time 0.001954/0.3751, allocations: 1.034 MB / 439.7 MB, free: 18.77 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.528e-05/0.3751, allocations: 7.484 kB / 439.7 MB, free: 18.77 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.093e-05/0.3751, allocations: 2.75 kB / 439.7 MB, free: 18.77 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004842/0.3756, allocations: 154 kB / 439.9 MB, free: 18.75 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007669/0.3764, allocations: 207.5 kB / 440.1 MB, free: 18.75 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003409/0.3798, allocations: 3.988 MB / 444.1 MB, free: 15.73 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007223/0.3806, allocations: 31 kB / 444.1 MB, free: 15.73 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.316e-05/0.3806, allocations: 39.22 kB / 444.1 MB, free: 15.73 MB / 350.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.timeTableTorqueInclination.nextTimeEvent,$whenCondition1,timeTableTorqueInclination.nextTimeEventScaled,$PRE.timeTableTorqueInclination.nextTimeEventScaled,timeTableTorqueInclination.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (108): * Single equations (assignments): 106 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,4,100.0%), (1,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0005613/0.3812, allocations: 304.9 kB / 444.4 MB, free: 15.6 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001942/0.3814, allocations: 108.3 kB / 444.5 MB, free: 15.54 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001786/0.3832, allocations: 0.9605 MB / 445.5 MB, free: 15.41 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.546e-05/0.3832, allocations: 9.281 kB / 445.5 MB, free: 15.41 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.295e-06/0.3833, allocations: 6.906 kB / 445.5 MB, free: 15.41 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.339e-05/0.3833, allocations: 8.812 kB / 445.5 MB, free: 15.41 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004888/0.3882, allocations: 2.472 MB / 448 MB, free: 14.09 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.32e-05/0.3882, allocations: 3.188 kB / 448 MB, free: 14.09 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008071/0.389, allocations: 189.9 kB / 448.2 MB, free: 14.07 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004359/0.3895, allocations: 119.5 kB / 448.3 MB, free: 14.03 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.289e-05/0.3896, allocations: 23.3 kB / 448.3 MB, free: 14.02 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002853/0.3925, allocations: 3.608 MB / 451.9 MB, free: 10.7 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.622e-06/0.3925, allocations: 7.5 kB / 451.9 MB, free: 10.7 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002608/0.3951, allocations: 1.433 MB / 453.4 MB, free: 9.918 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005752/0.3957, allocations: 249 kB / 453.6 MB, free: 9.719 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002351/0.396, allocations: 21.61 kB / 453.6 MB, free: 9.707 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005644/0.3965, allocations: 23.97 kB / 453.7 MB, free: 9.695 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001993/0.3967, allocations: 82.58 kB / 453.7 MB, free: 9.672 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.02e-05/0.3968, allocations: 28.92 kB / 453.8 MB, free: 9.668 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.001032/0.3979, allocations: 0.6642 MB / 454.4 MB, free: 9.41 MB / 350.1 MB Notification: Performance of sort global known variables: time 1.11e-07/0.3979, allocations: 0 / 454.4 MB, free: 9.41 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.001198/0.3991, allocations: 243 kB / 454.7 MB, free: 9.379 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 10 (vehicle.mass.s,vehicle.mass.v,vehicle.windSpeed.s,vehicle.windSpeed.v,vehicle1.mass.s,vehicle1.mass.v,vehicle1.windSpeed.s,vehicle1.windSpeed.v,trailer.windSpeed.s,trailer.windSpeed.v) * Number of discrete variables: 3 ($whenCondition1,timeTableTorqueInclination.nextTimeEvent,timeTableTorqueInclination.nextTimeEventScaled) * Number of discrete states: 2 (timeTableTorqueInclination.nextTimeEvent,timeTableTorqueInclination.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (1,9,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004063/0.4031, allocations: 2.33 MB / 457 MB, free: 7.996 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.002194/0.4054, allocations: 1.051 MB / 458 MB, free: 7.457 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 5.821e-06/0.4054, allocations: 0 / 458 MB, free: 7.457 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001108/0.4065, allocations: 0.6968 MB / 458.7 MB, free: 7.051 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001305/0.4079, allocations: 190.1 kB / 458.9 MB, free: 6.969 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01274/0.4206, allocations: 8.739 MB / 467.7 MB, free: 2.109 MB / 350.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005419/0.4212, allocations: 1.101 MB / 468.8 MB, free: 1.129 MB / 350.1 MB Notification: Performance of simCode: alias equations: time 0.0004347/0.4216, allocations: 120.7 kB / 468.9 MB, free: 1.035 MB / 350.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000463/0.4221, allocations: 448 kB / 469.3 MB, free: 0.6367 MB / 350.1 MB Notification: Performance of SimCode: time 7.22e-07/0.4221, allocations: 0 / 469.3 MB, free: 0.6367 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06613/0.4883, allocations: 21.19 MB / 490.5 MB, free: 11.78 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 11.77/12.26, allocations: 7.938 kB / 490.5 MB, free: 11.77 MB / 382.1 MB " [Timeout remaining time 648] (rm -f Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.pipe ; mkfifo Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.pipe >> ../files/Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.sim & python3 -m fmpy simulate --output-file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv --start-time 0 --stop-time 60 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.01 Modelica_4_0_0_Modelica_Mechanics_Translational_Examples_Vehicle.fmu > Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Mechanics/Translational/Examples/Vehicle/Vehicle.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable vehicle.s in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable vehicle.s from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! Error: Could not read variable vehicle.v in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable vehicle.v from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! Error: Could not read variable vehicle1.s in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable vehicle1.s from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! Error: Could not read variable vehicle1.v in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable vehicle1.v from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! Error: Could not read variable trailer.s in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable trailer.s from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! Error: Could not read variable trailer.v in file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv. Warning: Get data of variable trailer.v from file Modelica_4.0.0_Modelica.Mechanics.Translational.Examples.Vehicle_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 15.093331340001896]