Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.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 0.00187/0.00187, allocations: 120.2 kB / 21.94 MB, free: 8 kB / 14.72 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 0.002131/0.002131, allocations: 204.7 kB / 25.23 MB, free: 3.551 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.476/1.476, allocations: 207.6 MB / 236 MB, free: 9.992 MB / 190.1 MB " [Timeout remaining time 178] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="time|opAmp.out.v|opAmp.out.i",fileNamePrefix="Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower") translateModel(Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="time|opAmp.out.v|opAmp.out.i",fileNamePrefix="Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower") [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001845/0.001845, allocations: 51.92 kB / 348.5 MB, free: 9.504 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2753/0.2771, allocations: 49.15 MB / 397.6 MB, free: 9.52 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower): time 0.003974/0.2811, allocations: 2.727 MB / 400.4 MB, free: 7.602 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.001302/0.2824, allocations: 0.7216 MB / 401.1 MB, free: 7.082 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001771/0.2826, allocations: 8.406 kB / 401.1 MB, free: 7.078 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.000166/0.2827, allocations: 43.7 kB / 401.1 MB, free: 7.051 MB / 318.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001996/0.2829, allocations: 92.86 kB / 401.2 MB, free: 6.984 MB / 318.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003355/0.2833, allocations: 95.36 kB / 401.3 MB, free: 6.93 MB / 318.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004109/0.2837, allocations: 353.1 kB / 401.7 MB, free: 6.754 MB / 318.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001772/0.2839, allocations: 66.17 kB / 401.7 MB, free: 6.715 MB / 318.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001827/0.284, allocations: 131.2 kB / 401.8 MB, free: 6.652 MB / 318.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002033/0.2843, allocations: 155.5 kB / 402 MB, free: 6.57 MB / 318.1 MB Notification: Performance of NFPackage.collectConstants: time 5.133e-05/0.2843, allocations: 29.06 kB / 402 MB, free: 6.57 MB / 318.1 MB Notification: Performance of NFFlatten.collectFunctions: time 5.356e-05/0.2844, allocations: 30.53 kB / 402.1 MB, free: 6.57 MB / 318.1 MB Notification: Performance of NFScalarize.scalarize: time 6.256e-05/0.2844, allocations: 65.5 kB / 402.1 MB, free: 6.523 MB / 318.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001317/0.2845, allocations: 146.3 kB / 402.3 MB, free: 6.434 MB / 318.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0004113/0.285, allocations: 323.8 kB / 402.6 MB, free: 6.312 MB / 318.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.91e-06/0.285, allocations: 0 / 402.6 MB, free: 6.312 MB / 318.1 MB Notification: Performance of FrontEnd: time 1.513e-06/0.285, allocations: 0 / 402.6 MB, free: 6.312 MB / 318.1 MB Notification: Performance of Transformations before backend: time 9.688e-06/0.285, allocations: 1.375 kB / 402.6 MB, free: 6.312 MB / 318.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 49 * Number of variables: 49 Notification: Performance of Generate backend data structure: time 0.001192/0.2862, allocations: 0.5645 MB / 403.1 MB, free: 5.887 MB / 318.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.164e-05/0.2862, allocations: 13.44 kB / 403.2 MB, free: 5.883 MB / 318.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.474e-05/0.2863, allocations: 36.16 kB / 403.2 MB, free: 5.863 MB / 318.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003736/0.2867, allocations: 216.9 kB / 403.4 MB, free: 5.676 MB / 318.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.396e-05/0.2867, allocations: 18.44 kB / 403.4 MB, free: 5.668 MB / 318.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.035e-05/0.2867, allocations: 17.75 kB / 403.4 MB, free: 5.664 MB / 318.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005989/0.2873, allocations: 257.5 kB / 403.7 MB, free: 5.551 MB / 318.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.527e-05/0.2873, allocations: 4 kB / 403.7 MB, free: 5.547 MB / 318.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.563e-05/0.2874, allocations: 6.875 kB / 403.7 MB, free: 5.543 MB / 318.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.586e-06/0.2874, allocations: 9.188 kB / 403.7 MB, free: 5.539 MB / 318.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006953/0.2881, allocations: 251 kB / 404 MB, free: 5.477 MB / 318.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001343/0.2894, allocations: 0.7865 MB / 404.7 MB, free: 4.961 MB / 318.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006064/0.29, allocations: 189.4 kB / 404.9 MB, free: 4.895 MB / 318.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002626/0.2903, allocations: 83.73 kB / 405 MB, free: 4.867 MB / 318.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.224e-05/0.2903, allocations: 5 kB / 405 MB, free: 4.863 MB / 318.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004071/0.2907, allocations: 162.6 kB / 405.2 MB, free: 4.766 MB / 318.1 MB Notification: Performance of pre-optimization done (n=11): time 1.343e-06/0.2907, allocations: 0 / 405.2 MB, free: 4.766 MB / 318.1 MB Notification: Performance of matching and sorting (n=11): time 0.001715/0.2924, allocations: 460.6 kB / 405.6 MB, free: 4.652 MB / 318.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.477e-05/0.2925, allocations: 109 kB / 405.7 MB, free: 4.523 MB / 318.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002834/0.2928, allocations: 262.9 kB / 406 MB, free: 4.371 MB / 318.1 MB Notification: Performance of collectPreVariables (initialization): time 2.153e-05/0.2928, allocations: 31.89 kB / 406 MB, free: 4.336 MB / 318.1 MB Notification: Performance of collectInitialEqns (initialization): time 9.995e-05/0.2929, allocations: 191.3 kB / 406.2 MB, free: 4.172 MB / 318.1 MB Notification: Performance of collectInitialBindings (initialization): time 2.895e-05/0.2929, allocations: 36.42 kB / 406.2 MB, free: 4.145 MB / 318.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.112e-05/0.293, allocations: 54.69 kB / 406.3 MB, free: 4.105 MB / 318.1 MB Notification: Performance of setup shared object (initialization): time 5.906e-05/0.2931, allocations: 335.9 kB / 406.6 MB, free: 3.781 MB / 318.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000289/0.2933, allocations: 95.14 kB / 406.7 MB, free: 3.75 MB / 318.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003144/0.2937, allocations: 185.9 kB / 406.9 MB, free: 3.602 MB / 318.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005348/0.2942, allocations: 290.2 kB / 407.2 MB, free: 3.398 MB / 318.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.867e-06/0.2942, allocations: 1.469 kB / 407.2 MB, free: 3.398 MB / 318.1 MB Notification: Performance of matching and sorting (n=26) (initialization): time 0.0009752/0.2952, allocations: 408.7 kB / 407.6 MB, free: 3.234 MB / 318.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.328e-05/0.2952, allocations: 37.42 kB / 407.6 MB, free: 3.199 MB / 318.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.428e-06/0.2952, allocations: 4 kB / 407.6 MB, free: 3.199 MB / 318.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004179/0.2956, allocations: 93.7 kB / 407.7 MB, free: 3.184 MB / 318.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002241/0.2959, allocations: 47.83 kB / 407.8 MB, free: 3.18 MB / 318.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001319/0.2972, allocations: 1.467 MB / 409.2 MB, free: 1.855 MB / 318.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003315/0.2975, allocations: 48.83 kB / 409.3 MB, free: 1.84 MB / 318.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.262e-05/0.2975, allocations: 13.69 kB / 409.3 MB, free: 1.836 MB / 318.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002921/0.2978, allocations: 177 kB / 409.5 MB, free: 1.723 MB / 318.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002561/0.2981, allocations: 180 kB / 409.6 MB, free: 1.57 MB / 318.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004482/0.2985, allocations: 268 kB / 409.9 MB, free: 1.371 MB / 318.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.645e-06/0.2985, allocations: 1.312 kB / 409.9 MB, free: 1.371 MB / 318.1 MB Notification: Performance of matching and sorting (n=26) (initialization_lambda0): time 0.0007067/0.2992, allocations: 339.2 kB / 410.2 MB, free: 1.203 MB / 318.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.403e-05/0.2993, allocations: 33.67 kB / 410.3 MB, free: 1.172 MB / 318.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.19e-06/0.2993, allocations: 2.781 kB / 410.3 MB, free: 1.172 MB / 318.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 7.624e-05/0.2993, allocations: 27.17 kB / 410.3 MB, free: 1.16 MB / 318.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000201/0.2995, allocations: 51.61 kB / 410.3 MB, free: 1.152 MB / 318.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008445/0.3004, allocations: 1.437 MB / 411.8 MB, free: 15.71 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000336/0.3007, allocations: 48.97 kB / 411.8 MB, free: 15.7 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.079e-05/0.3007, allocations: 12.33 kB / 411.8 MB, free: 15.7 MB / 334.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 5 (vIn.signalSource.count,$PRE.vIn.signalSource.count,vIn.signalSource.T_start,$PRE.vIn.signalSource.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (23): * Single equations (assignments): 21 * Array equations: 0 * Algorithm blocks: 1 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001801/0.3009, allocations: 209 kB / 412 MB, free: 15.49 MB / 334.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.378e-05/0.301, allocations: 23.64 kB / 412.1 MB, free: 15.48 MB / 334.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.339e-05/0.301, allocations: 26.78 kB / 412.1 MB, free: 15.46 MB / 334.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.284e-06/0.301, allocations: 5.219 kB / 412.1 MB, free: 15.45 MB / 334.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.565e-06/0.301, allocations: 0 / 412.1 MB, free: 15.45 MB / 334.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.949e-06/0.301, allocations: 1.266 kB / 412.1 MB, free: 15.45 MB / 334.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001169/0.3022, allocations: 0.5847 MB / 412.7 MB, free: 15.07 MB / 334.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.124e-06/0.3022, allocations: 0 / 412.7 MB, free: 15.07 MB / 334.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001363/0.3023, allocations: 32.88 kB / 412.7 MB, free: 15.05 MB / 334.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001763/0.3025, allocations: 44.66 kB / 412.8 MB, free: 15.03 MB / 334.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.379e-05/0.3025, allocations: 5.688 kB / 412.8 MB, free: 15.02 MB / 334.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001602/0.3041, allocations: 1.442 MB / 414.2 MB, free: 13.64 MB / 334.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.162e-06/0.3041, allocations: 1.75 kB / 414.2 MB, free: 13.64 MB / 334.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007944/0.3049, allocations: 360.5 kB / 414.6 MB, free: 13.39 MB / 334.1 MB Notification: Performance of postOpt removeConstants (simulation): time 5.064e-05/0.305, allocations: 20.48 kB / 414.6 MB, free: 13.37 MB / 334.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.866e-05/0.305, allocations: 10.67 kB / 414.6 MB, free: 13.36 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000247/0.3053, allocations: 23.62 kB / 414.6 MB, free: 13.36 MB / 334.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.578e-05/0.3054, allocations: 22.88 kB / 414.6 MB, free: 13.34 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.505e-05/0.3054, allocations: 10.22 kB / 414.6 MB, free: 13.33 MB / 334.1 MB Notification: Performance of sorting global known variables: time 0.0002246/0.3056, allocations: 190.7 kB / 414.8 MB, free: 13.2 MB / 334.1 MB Notification: Performance of sort global known variables: time 1.6e-07/0.3056, allocations: 4 kB / 414.8 MB, free: 13.2 MB / 334.1 MB Notification: Performance of remove unused functions: time 0.0006093/0.3062, allocations: 114 kB / 414.9 MB, free: 13.18 MB / 334.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,vIn.signalSource.T_start,vIn.signalSource.count) * Number of discrete states: 1 (vIn.signalSource.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (9): * Single equations (assignments): 6 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001354/0.3063, allocations: 101.6 kB / 415 MB, free: 13.08 MB / 334.1 MB Notification: Performance of simCode: created initialization part: time 0.001375/0.3077, allocations: 0.6399 MB / 415.7 MB, free: 12.58 MB / 334.1 MB Notification: Performance of simCode: created event and clocks part: time 2.514e-06/0.3077, allocations: 0 / 415.7 MB, free: 12.58 MB / 334.1 MB Notification: Performance of simCode: created simulation system equations: time 0.000421/0.3081, allocations: 215.1 kB / 415.9 MB, free: 12.41 MB / 334.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004047/0.3085, allocations: 55.22 kB / 416 MB, free: 12.38 MB / 334.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00105/0.3096, allocations: 479.1 kB / 416.4 MB, free: 12.04 MB / 334.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004013/0.31, allocations: 0.7463 MB / 417.2 MB, free: 11.31 MB / 334.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.115e-05/0.3101, allocations: 19.44 kB / 417.2 MB, free: 11.3 MB / 334.1 MB Notification: Performance of SimCode: time 5.91e-07/0.3101, allocations: 1.312 kB / 417.2 MB, free: 11.3 MB / 334.1 MB Notification: Performance of Templates: time 0.007204/0.3173, allocations: 4.179 MB / 421.4 MB, free: 9.098 MB / 334.1 MB " [Timeout remaining time 660] make -j1 -f Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.pipe ; mkfifo Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.pipe >> ../files/Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.sim & ./Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Electrical/Analog/Examples/OpAmps/VoltageFollower/VoltageFollower.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.VoltageFollower.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 7.440955328987911]