Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.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 0.00146/0.00146, allocations: 100.3 kB / 19.7 MB, free: 2.012 MB / 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 0.001686/0.001686, allocations: 221.1 kB / 23 MB, free: 4.914 MB / 14.72 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 1.498/1.498, allocations: 230.6 MB / 256.8 MB, free: 7.816 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.333/3.333, allocations: 0.4892 GB / 0.7951 GB, free: 35.49 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|occSchDay.occupied|occSchDay1.occupied|occSchDay2.occupied|occSchDay.tNexNonOcc|occSchDay.tNexOcc|occSchDay1.tNexNonOcc|occSchDay1.tNexOcc|occSchDay2.tNexNonOcc|occSchDay2.tNexOcc",fileNamePrefix="Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime") translateModel(Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|occSchDay.occupied|occSchDay1.occupied|occSchDay2.occupied|occSchDay.tNexNonOcc|occSchDay.tNexOcc|occSchDay1.tNexNonOcc|occSchDay1.tNexOcc|occSchDay2.tNexNonOcc|occSchDay2.tNexOcc",fileNamePrefix="Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002119/0.002119, allocations: 68.83 kB / 1.154 GB, free: 25.6 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3346/0.3368, allocations: 176.1 MB / 1.326 GB, free: 1.898 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime): time 0.003071/0.3398, allocations: 1.485 MB / 1.328 GB, free: 416 kB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.001281/0.3411, allocations: 0.6268 MB / 1.328 GB, free: 15.78 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.972e-05/0.3412, allocations: 0 / 1.328 GB, free: 15.78 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 8.196e-05/0.3413, allocations: 15.86 kB / 1.328 GB, free: 15.76 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 7.514e-05/0.3413, allocations: 15.84 kB / 1.328 GB, free: 15.75 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.001146/0.3425, allocations: 351.2 kB / 1.329 GB, free: 15.41 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0002951/0.3428, allocations: 171.6 kB / 1.329 GB, free: 15.24 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 5.837e-05/0.3428, allocations: 12 kB / 1.329 GB, free: 15.23 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001341/0.343, allocations: 75.81 kB / 1.329 GB, free: 15.15 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001096/0.3431, allocations: 47.77 kB / 1.329 GB, free: 15.11 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 4.101e-05/0.3431, allocations: 12 kB / 1.329 GB, free: 15.09 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005093/0.3436, allocations: 271.7 kB / 1.329 GB, free: 14.83 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 9.506e-05/0.3437, allocations: 39.89 kB / 1.329 GB, free: 14.79 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 9.187e-05/0.3438, allocations: 47.78 kB / 1.329 GB, free: 14.74 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0005476/0.3444, allocations: 311 kB / 1.33 GB, free: 14.44 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.098e-06/0.3444, allocations: 4 kB / 1.33 GB, free: 14.43 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.423e-06/0.3444, allocations: 0 / 1.33 GB, free: 14.43 MB / 1.029 GB Notification: Performance of Transformations before backend: time 1.199e-05/0.3444, allocations: 0 / 1.33 GB, free: 14.43 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 18 * Number of variables: 18 Notification: Performance of Generate backend data structure: time 0.000724/0.3451, allocations: 413.3 kB / 1.33 GB, free: 14 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.213e-05/0.3451, allocations: 8.031 kB / 1.33 GB, free: 13.99 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.624e-05/0.3452, allocations: 16.84 kB / 1.33 GB, free: 13.97 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002504/0.3455, allocations: 148.7 kB / 1.33 GB, free: 13.8 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.141e-05/0.3455, allocations: 12.31 kB / 1.33 GB, free: 13.79 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.08e-05/0.3455, allocations: 8.375 kB / 1.33 GB, free: 13.79 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001996/0.3457, allocations: 100.7 kB / 1.33 GB, free: 13.67 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.518e-06/0.3457, allocations: 4.188 kB / 1.33 GB, free: 13.67 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.26e-05/0.3457, allocations: 3.938 kB / 1.33 GB, free: 13.66 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.614e-06/0.3457, allocations: 4 kB / 1.33 GB, free: 13.66 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001051/0.3459, allocations: 47.91 kB / 1.33 GB, free: 13.61 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0002563/0.3461, allocations: 175 kB / 1.331 GB, free: 13.41 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001816/0.3463, allocations: 99.83 kB / 1.331 GB, free: 13.28 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001052/0.3464, allocations: 62.7 kB / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 1.49e-05/0.3464, allocations: 4 kB / 1.331 GB, free: 13.21 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003072/0.3467, allocations: 147 kB / 1.331 GB, free: 13.04 MB / 1.029 GB Notification: Performance of pre-optimization done (n=21): time 1.453e-06/0.3467, allocations: 0 / 1.331 GB, free: 13.04 MB / 1.029 GB Notification: Performance of matching and sorting (n=21): time 0.0004559/0.3472, allocations: 209.5 kB / 1.331 GB, free: 12.83 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.854e-05/0.3473, allocations: 126.7 kB / 1.331 GB, free: 12.68 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001671/0.3474, allocations: 143.7 kB / 1.331 GB, free: 12.54 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 4.533e-05/0.3475, allocations: 37.69 kB / 1.331 GB, free: 12.49 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 8.282e-05/0.3476, allocations: 96.64 kB / 1.331 GB, free: 12.39 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 6.749e-05/0.3476, allocations: 51.58 kB / 1.331 GB, free: 12.34 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.925e-05/0.3477, allocations: 61.69 kB / 1.332 GB, free: 12.27 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001634/0.3479, allocations: 330.8 kB / 1.332 GB, free: 11.94 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001119/0.348, allocations: 48.27 kB / 1.332 GB, free: 11.89 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000421/0.3484, allocations: 464.9 kB / 1.332 GB, free: 11.33 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002245/0.3486, allocations: 138.5 kB / 1.332 GB, free: 11.18 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.384e-06/0.3486, allocations: 0 / 1.332 GB, free: 11.18 MB / 1.029 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0003516/0.349, allocations: 205.3 kB / 1.333 GB, free: 10.98 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.793e-05/0.349, allocations: 8 kB / 1.333 GB, free: 10.97 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.714e-05/0.349, allocations: 7.984 kB / 1.333 GB, free: 10.96 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.576e-05/0.3491, allocations: 0 / 1.333 GB, free: 10.96 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001011/0.3492, allocations: 15.94 kB / 1.333 GB, free: 10.95 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.736e-06/0.3492, allocations: 4 kB / 1.333 GB, free: 10.94 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002385/0.3494, allocations: 51.78 kB / 1.333 GB, free: 10.89 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.531e-05/0.3494, allocations: 8 kB / 1.333 GB, free: 10.88 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 27 (occSchDay2.tNext,$PRE.occSchDay2.tNext,occSchDay2.tNonOcc,$PRE.occSchDay2.tNonOcc,occSchDay2.tOcc,$PRE.occSchDay2.tOcc,occSchDay2.occupied,$PRE.occSchDay2.occupied,$whenCondition3,occSchDay1.tNext,$PRE.occSchDay1.tNext,occSchDay1.tNonOcc,$PRE.occSchDay1.tNonOcc,occSchDay1.tOcc,$PRE.occSchDay1.tOcc,occSchDay1.occupied,$PRE.occSchDay1.occupied,$whenCondition2,occSchDay.tNext,$PRE.occSchDay.tNext,occSchDay.tNonOcc,$PRE.occSchDay.tNonOcc,occSchDay.tOcc,$PRE.occSchDay.tOcc,occSchDay.occupied,$PRE.occSchDay.occupied,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (24): * Single equations (assignments): 21 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001535/0.3496, allocations: 141 kB / 1.333 GB, free: 10.73 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.034e-05/0.3496, allocations: 11.89 kB / 1.333 GB, free: 10.72 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.93e-05/0.3496, allocations: 12.72 kB / 1.333 GB, free: 10.7 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.725e-06/0.3496, allocations: 144 / 1.333 GB, free: 10.7 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.845e-06/0.3497, allocations: 7.922 kB / 1.333 GB, free: 10.7 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.314e-06/0.3497, allocations: 7.984 kB / 1.333 GB, free: 10.69 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001629/0.3498, allocations: 141.2 kB / 1.333 GB, free: 10.52 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.054e-06/0.3498, allocations: 0 / 1.333 GB, free: 10.52 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.866e-05/0.3499, allocations: 16 kB / 1.333 GB, free: 10.5 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.115e-06/0.3499, allocations: 7.938 kB / 1.333 GB, free: 10.5 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.046e-05/0.3499, allocations: 0 / 1.333 GB, free: 10.5 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.25e-06/0.3499, allocations: 4 kB / 1.333 GB, free: 10.49 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.353e-06/0.3499, allocations: 0 / 1.333 GB, free: 10.49 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003222/0.3502, allocations: 212.6 kB / 1.333 GB, free: 10.26 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 2.562e-05/0.3503, allocations: 19.84 kB / 1.333 GB, free: 10.24 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.583e-05/0.3503, allocations: 7.938 kB / 1.333 GB, free: 10.23 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.89e-05/0.3503, allocations: 7.984 kB / 1.333 GB, free: 10.23 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.365e-05/0.3504, allocations: 15.92 kB / 1.333 GB, free: 10.21 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.02e-05/0.3504, allocations: 8 kB / 1.333 GB, free: 10.2 MB / 1.029 GB Notification: Performance of sorting global known variables: time 8.258e-05/0.3505, allocations: 108.8 kB / 1.333 GB, free: 10.1 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.3505, allocations: 0 / 1.333 GB, free: 10.1 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.000394/0.3509, allocations: 103.8 kB / 1.334 GB, free: 9.996 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition3,occSchDay2.occupied,occSchDay2.tOcc,occSchDay2.tNonOcc,occSchDay2.tNext,$whenCondition2,occSchDay1.occupied,occSchDay1.tOcc,occSchDay1.tNonOcc,occSchDay1.tNext,$whenCondition1,occSchDay.occupied,occSchDay.tOcc,occSchDay.tNonOcc,occSchDay.tNext) * Number of discrete states: 3 (occSchDay.tNext,occSchDay1.tNext,occSchDay2.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0003635/0.3512, allocations: 200.1 kB / 1.334 GB, free: 9.793 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0003668/0.3516, allocations: 208.9 kB / 1.334 GB, free: 9.57 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.304e-06/0.3516, allocations: 0 / 1.334 GB, free: 9.57 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 9.522e-05/0.3517, allocations: 47.92 kB / 1.334 GB, free: 9.523 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001948/0.3519, allocations: 11.94 kB / 1.334 GB, free: 9.512 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005483/0.3524, allocations: 278.8 kB / 1.334 GB, free: 9.203 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001038/0.3526, allocations: 92.48 kB / 1.334 GB, free: 9.094 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.093e-05/0.3526, allocations: 19.44 kB / 1.334 GB, free: 9.074 MB / 1.029 GB Notification: Performance of SimCode: time 4.31e-07/0.3526, allocations: 0 / 1.334 GB, free: 9.074 MB / 1.029 GB Notification: Performance of Templates: time 0.006165/0.3588, allocations: 3.156 MB / 1.337 GB, free: 5.938 MB / 1.029 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.pipe ; mkfifo Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.pipe >> ../files/Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.sim & ./Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_SetPoints_Validation_OccupancyScheduleNegativeStartTime.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.SetPoints.Validation.OccupancyScheduleNegativeStartTime.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] "" Variables in the reference:time,occSchDay.occupied,occSchDay1.occupied,occSchDay2.occupied,occSchDay.tNexNonOcc,occSchDay.tNexOcc,occSchDay1.tNexNonOcc,occSchDay1.tNexOcc,occSchDay2.tNexNonOcc,occSchDay2.tNexOcc Variables in the result:occSchDay.occupied,occSchDay.tNexNonOcc,occSchDay.tNexOcc,occSchDay1.occupied,occSchDay1.tNexNonOcc,occSchDay1.tNexOcc,occSchDay2.occupied,occSchDay2.tNexNonOcc,occSchDay2.tNexOcc,time [Calling sys.exit(0), Time elapsed: 11.611645905300975]