Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.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 0.00144/0.00144, allocations: 124.8 kB / 17.79 MB, free: 5.266 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 0.001671/0.001671, allocations: 186.9 kB / 20.73 MB, free: 2.332 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 1.358/1.358, allocations: 225.6 MB / 249.1 MB, free: 3.598 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.MultiBody.Examples.Loops.Engine1a,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1a",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1a",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001414/0.001414, allocations: 43.92 kB / 365.7 MB, free: 0.8164 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09299/0.0944, allocations: 52.14 MB / 417.8 MB, free: 12.57 MB / 350.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a): time 0.02125/0.1157, allocations: 19.51 MB / 437.3 MB, free: 8.988 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01308/0.1287, allocations: 6.004 MB / 443.3 MB, free: 2.965 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003926/0.1327, allocations: 155.4 kB / 443.5 MB, free: 2.812 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.2099/0.3426, allocations: 5.915 MB / 449.4 MB, free: 7.262 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008154/0.3508, allocations: 3.431 MB / 452.8 MB, free: 7.113 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003575/0.3543, allocations: 1.572 MB / 454.4 MB, free: 7.082 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.01929/0.3736, allocations: 12.35 MB / 466.7 MB, free: 6.922 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.009199/0.3828, allocations: 6.415 MB / 473.2 MB, free: 3.785 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006246/0.3891, allocations: 3.587 MB / 476.7 MB, free: 1.965 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006422/0.3955, allocations: 5.132 MB / 481.9 MB, free: 15.1 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.00217/0.3977, allocations: 0.7135 MB / 482.6 MB, free: 15.1 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004115/0.4018, allocations: 1.721 MB / 484.3 MB, free: 14.61 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005966/0.4077, allocations: 4.378 MB / 488.7 MB, free: 10.67 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.007507/0.4152, allocations: 4.764 MB / 493.4 MB, free: 5.91 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01759/0.4328, allocations: 14.41 MB / 0.496 GB, free: 7.789 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.335e-06/0.4328, allocations: 3.938 kB / 0.496 GB, free: 7.785 MB / 398.1 MB Notification: Performance of FrontEnd: time 2.574e-06/0.4328, allocations: 0 / 0.496 GB, free: 7.785 MB / 398.1 MB Notification: Performance of Transformations before backend: time 0.0004962/0.4333, allocations: 0 / 0.496 GB, free: 7.785 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2386 * Number of variables: 2386 Notification: Performance of Generate backend data structure: time 0.03037/0.4637, allocations: 10.58 MB / 0.5063 GB, free: 13.25 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.53e-05/0.4638, allocations: 12.03 kB / 0.5063 GB, free: 13.24 MB / 414.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003096/0.4668, allocations: 1.14 MB / 0.5074 GB, free: 12.13 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.2384/0.7053, allocations: 24.3 MB / 0.5311 GB, free: 3.801 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0243/0.7296, allocations: 9.811 MB / 0.5407 GB, free: 10.07 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005236/0.7301, allocations: 432.7 kB / 0.5411 GB, free: 9.695 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002332/0.7325, allocations: 0.5884 MB / 0.5417 GB, free: 9.156 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03376/0.7662, allocations: 16.16 MB / 0.5575 GB, free: 8.09 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004205/0.7666, allocations: 99.3 kB / 0.5576 GB, free: 7.992 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001799/0.7684, allocations: 264.1 kB / 0.5578 GB, free: 7.781 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004658/0.7731, allocations: 2.763 MB / 0.5605 GB, free: 5.027 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02773/0.8008, allocations: 12.86 MB / 0.5731 GB, free: 8.16 MB / 478.1 MB 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 0.09675/0.8976, allocations: 66.25 MB / 0.6378 GB, free: 4.195 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.3676/1.265, allocations: 7.338 MB / 0.645 GB, free: 175.5 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00512/1.27, allocations: 3.929 MB / 0.6488 GB, free: 175.3 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0187/1.289, allocations: 11.69 MB / 0.6602 GB, free: 169.9 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.358e-05/1.289, allocations: 71.38 kB / 0.6603 GB, free: 169.9 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=280): time 5.059e-06/1.289, allocations: 0 / 0.6603 GB, free: 169.9 MB / 0.5294 GB Notification: Performance of matching and sorting (n=339): time 0.1491/1.438, allocations: 47.75 MB / 0.7069 GB, free: 144.1 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001134/1.438, allocations: 398.1 kB / 0.7073 GB, free: 143.6 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008918/1.447, allocations: 7.172 MB / 0.7143 GB, free: 136.5 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.0007506/1.448, allocations: 83.77 kB / 0.7144 GB, free: 136.4 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.002501/1.45, allocations: 5.35 MB / 0.7196 GB, free: 131.7 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.001223/1.452, allocations: 1.303 MB / 0.7209 GB, free: 130.4 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001846/1.453, allocations: 1.655 MB / 0.7225 GB, free: 128.8 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 3.803e-05/1.453, allocations: 305.1 kB / 0.7228 GB, free: 128.5 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00393/1.457, allocations: 3.959 MB / 0.7267 GB, free: 124.5 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00522/1.463, allocations: 8.591 MB / 0.735 GB, free: 113.6 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01092/1.474, allocations: 13.48 MB / 0.7482 GB, free: 97.88 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.319e-05/1.474, allocations: 48 kB / 0.7483 GB, free: 97.83 MB / 0.5294 GB Notification: Performance of matching and sorting (n=1070) (initialization): time 0.02707/1.501, allocations: 17.13 MB / 0.765 GB, free: 80.65 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 7.697e-05/1.501, allocations: 76 kB / 0.7651 GB, free: 80.57 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000113/1.501, allocations: 159.9 kB / 0.7652 GB, free: 80.42 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01429/1.515, allocations: 5.772 MB / 0.7709 GB, free: 74.63 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004838/1.52, allocations: 1.751 MB / 0.7726 GB, free: 72.88 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0322/1.552, allocations: 31.66 MB / 0.8035 GB, free: 40.8 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006686/1.559, allocations: 0.5228 MB / 0.804 GB, free: 40.28 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009065/1.56, allocations: 476.4 kB / 0.8044 GB, free: 39.82 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 727 * Number of states: 0 () * Number of discrete variables: 66 (cylinder.boxColor[3],cylinder.boxColor[2],cylinder.boxColor[1],b2.cylinderColor[3],b2.cylinderColor[2],b2.cylinderColor[1],b1.cylinderColor[3],b1.cylinderColor[2],b1.cylinderColor[1],cylPosition.color[3],cylPosition.color[2],cylPosition.color[1],mid.color[3],mid.color[2],mid.color[1],crank4.color[3],crank4.color[2],crank4.color[1],crank4.body.sphereColor[3],crank4.body.sphereColor[2],crank4.body.sphereColor[1],crank3.color[3],crank3.color[2],crank3.color[1],crank3.body.sphereColor[3],crank3.body.sphereColor[2],crank3.body.sphereColor[1],crank2.color[3],crank2.color[2],crank2.color[1],crank2.body.sphereColor[3],crank2.body.sphereColor[2],crank2.body.sphereColor[1],crank1.color[3],crank1.color[2],crank1.color[1],crank1.body.sphereColor[3],crank1.body.sphereColor[2],crank1.body.sphereColor[1],bearing.cylinderColor[3],bearing.cylinderColor[2],bearing.cylinderColor[1],connectingRod.color[3],connectingRod.color[2],connectingRod.color[1],connectingRod.body.sphereColor[3],connectingRod.body.sphereColor[2],connectingRod.body.sphereColor[1],piston.color[3],piston.color[2],piston.color[1],piston.body.sphereColor[3],piston.body.sphereColor[2],piston.body.sphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (934): * Single equations (assignments): 928 * Array equations: 3 * 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): 2 systems {(8,93,51.6%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,4)} Notification: Performance of prepare postOptimizeDAE: time 0.004166/1.564, allocations: 3.472 MB / 0.8078 GB, free: 36.34 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009963/1.565, allocations: 0.683 MB / 0.8085 GB, free: 35.65 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01947/1.584, allocations: 11.4 MB / 0.8196 GB, free: 24.18 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.838e-05/1.584, allocations: 40 kB / 0.8197 GB, free: 24.14 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.738e-05/1.584, allocations: 19.94 kB / 0.8197 GB, free: 24.12 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.516e-05/1.585, allocations: 19.94 kB / 0.8197 GB, free: 24.11 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2597/1.844, allocations: 24.66 MB / 0.8438 GB, free: 154.6 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.768e-05/1.844, allocations: 9.531 kB / 0.8438 GB, free: 154.6 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001998/1.846, allocations: 421 kB / 0.8442 GB, free: 154.6 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01567/1.862, allocations: 5.373 MB / 0.8495 GB, free: 154.6 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006582/1.863, allocations: 64.39 kB / 0.8495 GB, free: 154.6 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03403/1.897, allocations: 30.35 MB / 0.8792 GB, free: 141.8 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.701e-06/1.897, allocations: 7.875 kB / 0.8792 GB, free: 141.8 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02518/1.922, allocations: 16.45 MB / 0.8952 GB, free: 135.5 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002324/1.924, allocations: 0.716 MB / 0.8959 GB, free: 135.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001548/1.926, allocations: 68.8 kB / 0.896 GB, free: 135.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003365/1.929, allocations: 260.2 kB / 0.8962 GB, free: 135.2 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009908/1.93, allocations: 239.8 kB / 0.8965 GB, free: 135 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002953/1.93, allocations: 91.17 kB / 0.8966 GB, free: 135 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.006532/1.937, allocations: 4.622 MB / 0.9011 GB, free: 132.7 MB / 0.5294 GB Notification: Performance of sort global known variables: time 6e-08/1.937, allocations: 0 / 0.9011 GB, free: 132.7 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.008002/1.945, allocations: 1.979 MB / 0.903 GB, free: 132.2 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * Number of states: 2 (inertia.phi,inertia.w) * 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 (214): * Single equations (assignments): 208 * Array equations: 3 * 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): 2 systems {(7,87,55.1%), (2,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.02447/1.969, allocations: 17.15 MB / 0.9197 GB, free: 115.3 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.01344/1.983, allocations: 10.09 MB / 0.9296 GB, free: 105.2 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 1.067e-05/1.983, allocations: 7.875 kB / 0.9296 GB, free: 105.2 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.006445/1.989, allocations: 4.363 MB / 0.9339 GB, free: 100.8 MB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005516/1.995, allocations: 1.085 MB / 0.9349 GB, free: 99.82 MB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1192/2.114, allocations: 91.51 MB / 1.024 GB, free: 1.051 MB / 0.5294 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00808/2.122, allocations: 5.522 MB / 1.03 GB, free: 11.5 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.0065/2.129, allocations: 2.629 MB / 1.032 GB, free: 8.863 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.005355/2.134, allocations: 3.737 MB / 1.036 GB, free: 5.125 MB / 0.545 GB Notification: Performance of SimCode: time 1.032e-06/2.134, allocations: 0 / 1.036 GB, free: 5.125 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.29/4.423, allocations: 158.6 MB / 1.191 GB, free: 52.19 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate platform static: time 39.95/44.37, allocations: 0 / 1.191 GB, free: 52.19 MB / 0.545 GB " [Timeout remaining time 615] (rm -f Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.pipe ; mkfifo Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.pipe >> ../files/Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a_res.mat --tempDir=temp_Modelica_4_0_0_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1a_fmu --startTime=0 --stopTime=5 --stepSize=0.0009996 --timeout=50 --tolerance=1e-06 Modelica_4_0_0_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1a.fmu > Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Mechanics/MultiBody/Examples/Loops/Engine1a/Engine1a.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1a.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 659] Reference file matches [Calling sys.exit(0), Time elapsed: 48.99057406792417]