Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real [:1:1-1:33:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0005937/0.0005937, allocations: 0 / 0, free: 0 / 0 " [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 0.0005133/0.0005133, allocations: 0 / 0, free: 0 / 0 " [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 0.349/0.349, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 0.7226/0.7226, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 179] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.CDL.Reals.Validation.Sort,fileNamePrefix="Buildings_11_Buildings_Controls_OBC_CDL_Reals_Validation_Sort",fmuType="me_cs",version="3.0",platforms={"wasm"}) "" <> buildModelFMU(Buildings.Controls.OBC.CDL.Reals.Validation.Sort,fileNamePrefix="Buildings_11_Buildings_Controls_OBC_CDL_Reals_Validation_Sort",fmuType="me_cs",version="3.0",platforms={"wasm"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 7.344e-06/7.344e-06, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 3.873e-05/4.608e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Reals.Validation.Sort): time 0.002428/0.002474, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.003585/0.006059, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.0001544/0.006214, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.0002069/0.006421, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.0001677/0.006588, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.0008639/0.007452, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.0003137/0.007766, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.000238/0.008004, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.0006051/0.008609, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.000166/0.008775, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 5.298e-05/0.008828, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0002925/0.009121, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0001089/0.009229, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.0001257/0.009355, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.0006207/0.009976, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 3.863e-05/0.01001, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 1.021e-05/0.01002, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 1.4e-05/0.01004, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 35 * Number of variables: 35 Notification: Performance of Generate backend data structure: time 0.001755/0.01179, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 8.413e-05/0.01188, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001562/0.01203, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001914/0.01223, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005682/0.01279, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.955e-05/0.01282, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 5.965e-05/0.01288, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.001216/0.0141, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 1.507e-05/0.01411, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.852e-05/0.01416, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.857e-06/0.01417, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001327/0.0155, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002436/0.01793, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.0007882/0.01872, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.0007529/0.01948, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 8.176e-05/0.01956, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.347e-05/0.0196, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=25): time 6.116e-05/0.01966, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=25): time 0.002782/0.02244, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 6.473e-05/0.02251, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003874/0.0229, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 6.679e-05/0.02296, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.0003269/0.02329, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.000135/0.02342, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002505/0.02368, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 0.000237/0.02391, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007535/0.02467, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007382/0.0254, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.001517/0.02692, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.546e-06/0.02693, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=25) (initialization): time 0.001956/0.02888, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 5.968e-05/0.02894, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.676e-05/0.02899, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 2.156e-05/0.02901, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003449/0.02935, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.959e-06/0.02936, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003125/0.02968, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.36e-05/0.02974, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 10 (sorDes.yIdx[5],sorDes.yIdx[4],sorDes.yIdx[3],sorDes.yIdx[2],sorDes.yIdx[1],sorAsc.yIdx[5],sorAsc.yIdx[4],sorAsc.yIdx[3],sorAsc.yIdx[2],sorAsc.yIdx[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (7): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 0.0004262/0.03017, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00023/0.0304, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002074/0.03247, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.837e-06/0.03248, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 9.959e-06/0.03249, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.588e-06/0.0325, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001197/0.0337, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.688e-05/0.03372, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003532/0.03408, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 1.003e-05/0.03409, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.095e-05/0.03415, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.482e-06/0.03415, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.679e-06/0.03416, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002079/0.03624, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.0001514/0.03639, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001295/0.03652, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004118/0.03693, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000247/0.03718, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.296e-05/0.03723, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.000221/0.03745, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 5.711e-06/0.03746, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.001317/0.03877, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 10 (sorAsc.yIdx[1],sorAsc.yIdx[2],sorAsc.yIdx[3],sorAsc.yIdx[4],sorAsc.yIdx[5],sorDes.yIdx[1],sorDes.yIdx[2],sorDes.yIdx[3],sorDes.yIdx[4],sorDes.yIdx[5]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (7): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * 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 0.00345/0.04222, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.001848/0.04407, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 8.326e-06/0.04408, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.0009838/0.04506, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001624/0.04669, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0107/0.05739, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004075/0.05779, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.000183/0.05798, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003892/0.05837, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 0.0006297/0.059, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU modelDescription.xml: time 0.002505/0.0615, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU model kernel: time 0.001896/0.0634, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU translated model: time 0.02004/0.08344, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU component link: time 1.206e-05/0.08345, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU precompile: time 1.338e-05/0.08346, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FMU write (0 MB unzipped): time 0.0002346/0.0837, allocations: 0 / 0, free: 0 / 0 Notification: Building FMU for platform 'wasm' (1/1). Notification: Finished FMU for platform 'wasm' (1/1). " [Timeout remaining time 300] simulate(Buildings.Controls.OBC.CDL.Reals.Validation.Sort,startTime=0,stopTime=1,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|sorAsc.u.1.|sorAsc.u.2.|sorAsc.u.3.|sorAsc.u.4.|sorAsc.u.5.|sorAsc.y.1.|sorAsc.y.2.|sorAsc.y.3.|sorAsc.y.4.|sorAsc.y.5.|sorDes.y.1.|sorDes.y.2.|sorDes.y.3.|sorDes.y.4.|sorDes.y.5.|sorAsc.yIdx.1.|sorAsc.yIdx.2.|sorAsc.yIdx.3.|sorAsc.yIdx.4.|sorAsc.yIdx.5.|sorDes.yIdx.1.|sorDes.yIdx.2.|sorDes.yIdx.3.|sorDes.yIdx.4.|sorDes.yIdx.5.",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1 -tolerance=1e-06 -stepSize=0.0004 -r=Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_res.mat",resimulateExecutable="Buildings_11_Buildings_Controls_OBC_CDL_Reals_Validation_Sort.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_CDL_Reals_Validation_Sort.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches simulate(Buildings.Controls.OBC.CDL.Reals.Validation.Sort,startTime=0,stopTime=1,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|sorAsc.u.1.|sorAsc.u.2.|sorAsc.u.3.|sorAsc.u.4.|sorAsc.u.5.|sorAsc.y.1.|sorAsc.y.2.|sorAsc.y.3.|sorAsc.y.4.|sorAsc.y.5.|sorDes.y.1.|sorDes.y.2.|sorDes.y.3.|sorDes.y.4.|sorDes.y.5.|sorAsc.yIdx.1.|sorAsc.yIdx.2.|sorAsc.yIdx.3.|sorAsc.yIdx.4.|sorAsc.yIdx.5.|sorDes.yIdx.1.|sorDes.yIdx.2.|sorDes.yIdx.3.|sorDes.yIdx.4.|sorDes.yIdx.5.",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1 -tolerance=1e-06 -stepSize=0.0004 -r=Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_me_res.mat -s fmi3:me:daskr",resimulateExecutable="Buildings_11_Buildings_Controls_OBC_CDL_Reals_Validation_Sort.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_me_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_CDL_Reals_Validation_Sort.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_me.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches simulate(Buildings.Controls.OBC.CDL.Reals.Validation.Sort,startTime=0,stopTime=1,tolerance=1e-06,numberOfIntervals=2500,outputFormat="mat",variableFilter="time|sorAsc.u.1.|sorAsc.u.2.|sorAsc.u.3.|sorAsc.u.4.|sorAsc.u.5.|sorAsc.y.1.|sorAsc.y.2.|sorAsc.y.3.|sorAsc.y.4.|sorAsc.y.5.|sorDes.y.1.|sorDes.y.2.|sorDes.y.3.|sorDes.y.4.|sorDes.y.5.|sorAsc.yIdx.1.|sorAsc.yIdx.2.|sorAsc.yIdx.3.|sorAsc.yIdx.4.|sorAsc.yIdx.5.|sorDes.yIdx.1.|sorDes.yIdx.2.|sorDes.yIdx.3.|sorDes.yIdx.4.|sorDes.yIdx.5.",fileNamePrefix="Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort",simflags=" -alarm=240 -emit_protected -lv LOG_STATS -startTime=0 -stopTime=1 -tolerance=1e-06 -stepSize=0.0004 -r=Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_cs_res.mat -s fmi3:cs",resimulateExecutable="Buildings_11_Buildings_Controls_OBC_CDL_Reals_Validation_Sort.fmu") [Timeout 240] "" [Timeout remaining time 240] diffSimulationResults("Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_cs_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Controls_OBC_CDL_Reals_Validation_Sort.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Controls.OBC.CDL.Reals.Validation.Sort_cs.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 2.5333295179298148]