Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.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 0.001514/0.001514, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.001629/0.001629, allocations: 216.4 kB / 22.25 MB, free: 5.262 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 1.452/1.452, allocations: 230.6 MB / 256 MB, free: 7.809 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 3.189/3.189, allocations: 0.4892 GB / 0.7944 GB, free: 35.52 MB / 0.6231 GB " [Timeout remaining time 177] 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: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_SetPoints_Validation_ReliefDamper",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_SetPoints_Validation_ReliefDamper",fmuType="me",version="2.0",platforms={"static"}) [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 0.00205/0.00205, allocations: 63.8 kB / 1.153 GB, free: 25.83 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3669/0.369, allocations: 176.1 MB / 1.325 GB, free: 2.379 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper): time 0.00251/0.3715, allocations: 1.011 MB / 1.326 GB, free: 1.371 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.00188/0.3734, allocations: 1.28 MB / 1.327 GB, free: 80 kB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001271/0.3735, allocations: 3.938 kB / 1.327 GB, free: 76 kB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.0001526/0.3736, allocations: 19.75 kB / 1.327 GB, free: 56 kB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 6.432e-05/0.3737, allocations: 35.66 kB / 1.327 GB, free: 20 kB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005677/0.3743, allocations: 182.6 kB / 1.328 GB, free: 15.84 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0003145/0.3746, allocations: 259.5 kB / 1.328 GB, free: 15.59 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001562/0.3747, allocations: 56.69 kB / 1.328 GB, free: 15.53 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001317/0.3749, allocations: 99.69 kB / 1.328 GB, free: 15.43 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000158/0.375, allocations: 95.52 kB / 1.328 GB, free: 15.34 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 4.332e-05/0.3751, allocations: 24 kB / 1.328 GB, free: 15.31 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 9.713e-05/0.3752, allocations: 40 kB / 1.328 GB, free: 15.27 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 5.289e-05/0.3752, allocations: 47.77 kB / 1.328 GB, free: 15.23 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0001098/0.3753, allocations: 83.64 kB / 1.328 GB, free: 15.14 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0004087/0.3757, allocations: 310.8 kB / 1.329 GB, free: 14.84 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 5.54e-06/0.3758, allocations: 0 / 1.329 GB, free: 14.84 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.493e-06/0.3758, allocations: 4 kB / 1.329 GB, free: 14.84 MB / 1.029 GB Notification: Performance of Transformations before backend: time 6.953e-06/0.3758, allocations: 3.938 kB / 1.329 GB, free: 14.83 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: 31 * Number of variables: 31 Notification: Performance of Generate backend data structure: time 0.0009652/0.3767, allocations: 463.1 kB / 1.329 GB, free: 14.34 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.393e-05/0.3768, allocations: 12.03 kB / 1.329 GB, free: 14.33 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.767e-05/0.3768, allocations: 46.73 kB / 1.329 GB, free: 14.27 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.888e-05/0.3769, allocations: 20.8 kB / 1.329 GB, free: 14.25 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007424/0.3776, allocations: 250.2 kB / 1.329 GB, free: 13.98 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.82e-05/0.3777, allocations: 20.36 kB / 1.329 GB, free: 13.96 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.543e-05/0.3777, allocations: 20.36 kB / 1.329 GB, free: 13.95 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003904/0.3781, allocations: 176.1 kB / 1.33 GB, free: 13.76 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.738e-06/0.3781, allocations: 4 kB / 1.33 GB, free: 13.76 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.143e-05/0.3781, allocations: 8 kB / 1.33 GB, free: 13.75 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.592e-06/0.3781, allocations: 4 kB / 1.33 GB, free: 13.75 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003963/0.3785, allocations: 123.8 kB / 1.33 GB, free: 13.62 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007928/0.3793, allocations: 435.4 kB / 1.33 GB, free: 13.16 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003767/0.3797, allocations: 102.6 kB / 1.33 GB, free: 13.05 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001806/0.3799, allocations: 57 kB / 1.33 GB, free: 12.99 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 4.796e-05/0.3799, allocations: 7.922 kB / 1.33 GB, free: 12.98 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003241/0.3802, allocations: 137 kB / 1.33 GB, free: 12.83 MB / 1.029 GB Notification: Performance of pre-optimization done (n=12): time 1.513e-06/0.3803, allocations: 4 kB / 1.33 GB, free: 12.82 MB / 1.029 GB Notification: Performance of matching and sorting (n=12): time 0.0006824/0.3809, allocations: 201.4 kB / 1.331 GB, free: 12.62 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.856e-05/0.381, allocations: 55.41 kB / 1.331 GB, free: 12.55 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001882/0.3812, allocations: 191.4 kB / 1.331 GB, free: 12.36 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 3.486e-05/0.3812, allocations: 29.7 kB / 1.331 GB, free: 12.32 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.00011/0.3813, allocations: 136.3 kB / 1.331 GB, free: 12.18 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 3.41e-05/0.3813, allocations: 39.69 kB / 1.331 GB, free: 12.14 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.218e-05/0.3814, allocations: 53.69 kB / 1.331 GB, free: 12.09 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001424/0.3816, allocations: 326.8 kB / 1.331 GB, free: 11.76 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002617/0.3818, allocations: 101.6 kB / 1.331 GB, free: 11.65 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003023/0.3821, allocations: 152.6 kB / 1.332 GB, free: 11.48 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004584/0.3826, allocations: 199.5 kB / 1.332 GB, free: 11.25 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.415e-06/0.3826, allocations: 0 / 1.332 GB, free: 11.25 MB / 1.029 GB Notification: Performance of matching and sorting (n=20) (initialization): time 0.0006641/0.3833, allocations: 310.1 kB / 1.332 GB, free: 10.93 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 4.238e-05/0.3833, allocations: 35.27 kB / 1.332 GB, free: 10.89 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.32e-06/0.3833, allocations: 0 / 1.332 GB, free: 10.89 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.67e-05/0.3833, allocations: 4 kB / 1.332 GB, free: 10.89 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000165/0.3835, allocations: 39.84 kB / 1.332 GB, free: 10.85 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.606e-06/0.3835, allocations: 4 kB / 1.332 GB, free: 10.85 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002776/0.3838, allocations: 48.03 kB / 1.332 GB, free: 10.8 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.805e-05/0.3838, allocations: 15.98 kB / 1.332 GB, free: 10.79 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 7 ($whenCondition1,$whenCondition2,fanStatus.y,$PRE.fanStatus.y,relDam.and2.y,relDam.greThr.greHys.y,$PRE.relDam.greThr.greHys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (18): * Single equations (assignments): 17 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * 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 0.0001372/0.384, allocations: 137.7 kB / 1.332 GB, free: 10.64 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.771e-05/0.384, allocations: 15.91 kB / 1.332 GB, free: 10.62 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005203/0.3845, allocations: 178.9 kB / 1.333 GB, free: 10.43 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.38e-06/0.3845, allocations: 4 kB / 1.333 GB, free: 10.43 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.988e-06/0.3845, allocations: 0 / 1.333 GB, free: 10.43 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.246e-06/0.3845, allocations: 0 / 1.333 GB, free: 10.43 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002318/0.3848, allocations: 204.6 kB / 1.333 GB, free: 10.19 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.503e-06/0.3848, allocations: 0 / 1.333 GB, free: 10.19 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001401/0.3849, allocations: 23.98 kB / 1.333 GB, free: 10.16 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.214e-06/0.3849, allocations: 4 kB / 1.333 GB, free: 10.16 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.266e-05/0.3849, allocations: 11.94 kB / 1.333 GB, free: 10.15 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.989e-06/0.3849, allocations: 3.984 kB / 1.333 GB, free: 10.14 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.342e-06/0.3849, allocations: 0 / 1.333 GB, free: 10.14 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004484/0.3854, allocations: 187.3 kB / 1.333 GB, free: 9.945 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 2.616e-05/0.3854, allocations: 15.84 kB / 1.333 GB, free: 9.93 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.73e-05/0.3854, allocations: 4 kB / 1.333 GB, free: 9.926 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001231/0.3855, allocations: 23.97 kB / 1.333 GB, free: 9.902 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.03e-05/0.3856, allocations: 19.97 kB / 1.333 GB, free: 9.883 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.391e-05/0.3856, allocations: 8 kB / 1.333 GB, free: 9.875 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0001096/0.3857, allocations: 120.1 kB / 1.333 GB, free: 9.758 MB / 1.029 GB Notification: Performance of sort global known variables: time 7e-08/0.3857, allocations: 0 / 1.333 GB, free: 9.758 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.00026/0.386, allocations: 43.89 kB / 1.333 GB, free: 9.715 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$whenCondition2,relDam.greThr.greHys.y,relDam.and2.y,fanStatus.y) * Number of discrete states: 1 (relDam.greThr.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (13): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 0.0008449/0.3868, allocations: 0.7411 MB / 1.334 GB, free: 8.945 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0005701/0.3874, allocations: 240.9 kB / 1.334 GB, free: 8.691 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.605e-06/0.3874, allocations: 3.938 kB / 1.334 GB, free: 8.688 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0002266/0.3876, allocations: 60.33 kB / 1.334 GB, free: 8.629 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002934/0.3879, allocations: 46.53 kB / 1.334 GB, free: 8.586 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003126/0.3911, allocations: 2.173 MB / 1.336 GB, free: 6.27 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001011/0.3912, allocations: 112.1 kB / 1.336 GB, free: 6.141 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.000111/0.3913, allocations: 25.47 kB / 1.337 GB, free: 6.117 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001678/0.3914, allocations: 55.42 kB / 1.337 GB, free: 6.062 MB / 1.029 GB Notification: Performance of SimCode: time 4.01e-07/0.3914, allocations: 4 kB / 1.337 GB, free: 6.059 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03355/0.425, allocations: 4.831 MB / 1.341 GB, free: 1.449 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.49/11.91, allocations: 6.281 kB / 1.341 GB, free: 1.445 MB / 1.029 GB " [Timeout remaining time 288] (rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv --start-time 0 --stop-time 3600 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_SetPoints_Validation_ReliefDamper.fmu > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_SetPoints_Validation_ReliefDamper.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable relDam.uOutDam_min in file Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv. Warning: Get data of variable relDam.uOutDam_min from file Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv failed! Error: Could not read variable relDam.uOutDam in file Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv. Warning: Get data of variable relDam.uOutDam from file Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.ReliefDamper_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 18.613471472170204]