Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.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 0.001494/0.001494, allocations: 93.06 kB / 19.65 MB, free: 276 kB / 13.93 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 0.001559/0.001559, allocations: 165 kB / 23.01 MB, free: 1.551 MB / 18.57 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 1.068/1.068, allocations: 177.1 MB / 203.4 MB, free: 5.633 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.172/2.172, allocations: 429.5 MB / 0.6733 GB, free: 4.012 MB / 0.6355 GB " [Timeout remaining time 177] Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/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.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hexWetNTU.Q1_flow|hexWetNTU_TX.Q1_flow|hexWetNTU.sta_b2.T|hexWetNTU_TX.sta_b2.T|relHumOut_eps.phi|hexWetNTU.SHR|hexWetNTU.dryFra|hexWetNTU.UA_nominal|hexWetNTU_TX.UA_nominal",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU") translateModel(Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hexWetNTU.Q1_flow|hexWetNTU_TX.Q1_flow|hexWetNTU.sta_b2.T|hexWetNTU_TX.sta_b2.T|relHumOut_eps.phi|hexWetNTU.SHR|hexWetNTU.dryFra|hexWetNTU.UA_nominal|hexWetNTU_TX.UA_nominal",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.794e-06/1.794e-06, allocations: 0 / 0.8782 GB, free: 6.305 MB / 0.8386 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.895e-05/3.074e-05, allocations: 9.203 kB / 0.8782 GB, free: 6.297 MB / 0.8386 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU): time 0.8189/0.8189, allocations: 189.9 MB / 1.064 GB, free: 53.84 MB / 1.01 GB Notification: Performance of NFInst.instExpressions: time 0.03281/0.8517, allocations: 20.74 MB / 1.084 GB, free: 53.61 MB / 1.01 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008094/0.8598, allocations: 218.2 kB / 1.084 GB, free: 53.61 MB / 1.01 GB Notification: Performance of NFTyping.typeComponents: time 0.004675/0.8645, allocations: 1.235 MB / 1.085 GB, free: 53.6 MB / 1.01 GB Notification: Performance of NFTyping.typeBindings: time 0.01734/0.8818, allocations: 5.597 MB / 1.091 GB, free: 53.07 MB / 1.01 GB Notification: Performance of NFTyping.typeClassSections: time 0.01382/0.8957, allocations: 4.245 MB / 1.095 GB, free: 52.94 MB / 1.01 GB Notification: Performance of NFFlatten.flatten: time 0.01853/0.9142, allocations: 11.22 MB / 1.106 GB, free: 50.68 MB / 1.01 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007534/0.9217, allocations: 3.278 MB / 1.109 GB, free: 49.99 MB / 1.01 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01759/0.9393, allocations: 5.864 MB / 1.115 GB, free: 47.62 MB / 1.01 GB Notification: Performance of NFSimplifyModel.simplify: time 0.009017/0.9483, allocations: 3.095 MB / 1.118 GB, free: 46.82 MB / 1.01 GB Notification: Performance of NFPackage.collectConstants: time 0.002529/0.9509, allocations: 0.5601 MB / 1.118 GB, free: 46.82 MB / 1.01 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01106/0.9619, allocations: 3.242 MB / 1.122 GB, free: 46.2 MB / 1.01 GB Notification: Performance of NFScalarize.scalarize: time 0.003049/0.965, allocations: 1.602 MB / 1.123 GB, free: 45.27 MB / 1.01 GB Notification: Performance of NFVerifyModel.verify: time 0.007066/0.972, allocations: 2.014 MB / 1.125 GB, free: 44.44 MB / 1.01 GB Notification: Performance of NFConvertDAE.convert: time 0.01804/0.9901, allocations: 6.011 MB / 1.131 GB, free: 42.14 MB / 1.01 GB Notification: Performance of FrontEnd - DAE generated: time 8.686e-06/0.9901, allocations: 1.5 kB / 1.131 GB, free: 42.14 MB / 1.01 GB Notification: Performance of FrontEnd: time 2.074e-06/0.9901, allocations: 0 / 1.131 GB, free: 42.14 MB / 1.01 GB Notification: Performance of Transformations before backend: time 0.000277/0.9904, allocations: 1.125 kB / 1.131 GB, free: 42.14 MB / 1.01 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 859 * Number of variables: 859 Notification: Performance of Generate backend data structure: time 0.01837/1.009, allocations: 6.112 MB / 1.137 GB, free: 38.52 MB / 1.01 GB Notification: Performance of prepare preOptimizeDAE: time 7.747e-05/1.009, allocations: 10.09 kB / 1.137 GB, free: 38.52 MB / 1.01 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01696/1.026, allocations: 4.167 MB / 1.141 GB, free: 37.78 MB / 1.01 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009895/1.036, allocations: 3.905 MB / 1.145 GB, free: 35.85 MB / 1.01 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004595/1.036, allocations: 349.4 kB / 1.145 GB, free: 35.66 MB / 1.01 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00118/1.037, allocations: 376 kB / 1.146 GB, free: 35.54 MB / 1.01 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00778/1.045, allocations: 4.027 MB / 1.149 GB, free: 34.27 MB / 1.01 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.592e-05/1.045, allocations: 2 kB / 1.149 GB, free: 34.27 MB / 1.01 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003451/1.045, allocations: 140.3 kB / 1.15 GB, free: 34.16 MB / 1.01 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001215/1.046, allocations: 136.2 kB / 1.15 GB, free: 34.15 MB / 1.01 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004726/1.05, allocations: 2.579 MB / 1.152 GB, free: 33.77 MB / 1.01 GB 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 0.0239/1.074, allocations: 14.77 MB / 1.167 GB, free: 25.61 MB / 1.01 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003526/1.078, allocations: 1.995 MB / 1.169 GB, free: 25.1 MB / 1.01 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001379/1.079, allocations: 0.8608 MB / 1.169 GB, free: 24.95 MB / 1.01 GB Notification: Performance of preOpt evalFunc (simulation): time 0.008754/1.088, allocations: 4.72 MB / 1.174 GB, free: 22.32 MB / 1.01 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002066/1.09, allocations: 1.479 MB / 1.175 GB, free: 21.76 MB / 1.01 GB Notification: Performance of pre-optimization done (n=228): time 5.952e-06/1.09, allocations: 0 / 1.175 GB, free: 21.76 MB / 1.01 GB Notification: Performance of matching and sorting (n=228): time 0.01044/1.1, allocations: 4.027 MB / 1.179 GB, free: 20.86 MB / 1.01 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.271e-05/1.1, allocations: 130.6 kB / 1.18 GB, free: 20.72 MB / 1.01 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004743/1.105, allocations: 3.166 MB / 1.183 GB, free: 19.61 MB / 1.01 GB Notification: Performance of collectPreVariables (initialization): time 0.0004913/1.106, allocations: 84.67 kB / 1.183 GB, free: 19.54 MB / 1.01 GB Notification: Performance of collectInitialEqns (initialization): time 0.001402/1.107, allocations: 2.028 MB / 1.185 GB, free: 17.96 MB / 1.01 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008278/1.108, allocations: 0.8301 MB / 1.186 GB, free: 17.31 MB / 1.01 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001368/1.109, allocations: 0.8761 MB / 1.186 GB, free: 16.93 MB / 1.01 GB Notification: Performance of setup shared object (initialization): time 5.617e-05/1.109, allocations: 485.1 kB / 1.187 GB, free: 16.45 MB / 1.01 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001947/1.111, allocations: 0.9503 MB / 1.188 GB, free: 16.33 MB / 1.01 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002646/1.114, allocations: 2.859 MB / 1.191 GB, free: 13.88 MB / 1.01 GB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Notification: Performance of analyzeInitialSystem (initialization): time 0.00458/1.119, allocations: 3.24 MB / 1.194 GB, free: 11.95 MB / 1.01 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.889e-05/1.119, allocations: 8.719 kB / 1.194 GB, free: 11.95 MB / 1.01 GB Notification: Performance of matching and sorting (n=474) (initialization): time 0.00919/1.128, allocations: 4.21 MB / 1.198 GB, free: 10.86 MB / 1.01 GB Notification: Performance of prepare postOptimizeDAE: time 5.107e-05/1.128, allocations: 20.52 kB / 1.198 GB, free: 10.86 MB / 1.01 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.012e-05/1.128, allocations: 27.59 kB / 1.198 GB, free: 10.85 MB / 1.01 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003907/1.132, allocations: 1.438 MB / 1.199 GB, free: 10.55 MB / 1.01 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004066/1.136, allocations: 1.252 MB / 1.201 GB, free: 10.48 MB / 1.01 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009603/1.145, allocations: 16.81 MB / 1.217 GB, free: 10 MB / 1.026 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007369/1.153, allocations: 0.7659 MB / 1.218 GB, free: 9.609 MB / 1.026 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007395/1.154, allocations: 202.9 kB / 1.218 GB, free: 9.539 MB / 1.026 GB Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization system: hexWetNTU.UAFroRated.TAirIn = 293.15 hexWetNTU.UAFroRated.TWatIn = 293.15. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 105 * Number of states: 0 () * Number of discrete variables: 11 (hexWetNTU.UAFroRated.isFulWet,hexWetNTU.UAFroRated.isFulDry,$PRE.w_a2.nextTimeEvent,$whenCondition1,hexWetNTU_TX.flowRegime_nominal,hexWetNTU_TX.UAFroRated.isFulWet,hexWetNTU_TX.UAFroRated.isFulDry,hexWetNTU.flowRegime_nominal,w_a2.nextTimeEventScaled,$PRE.w_a2.nextTimeEventScaled,w_a2.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (444): * Single equations (assignments): 429 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 9 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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): 9 systems {(1,1), (1,3), (1,2), (1,2), (1,4), (1,2), (1,4), (1,2), (5,2)} Notification: Performance of prepare postOptimizeDAE: time 0.002186/1.156, allocations: 379.5 kB / 1.218 GB, free: 9.262 MB / 1.026 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00141/1.157, allocations: 461.8 kB / 1.219 GB, free: 9.023 MB / 1.026 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007001/1.164, allocations: 3.238 MB / 1.222 GB, free: 7.363 MB / 1.026 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.452e-05/1.164, allocations: 24.03 kB / 1.222 GB, free: 7.363 MB / 1.026 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.121e-05/1.164, allocations: 3.938 kB / 1.222 GB, free: 7.359 MB / 1.026 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.142e-05/1.164, allocations: 11.95 kB / 1.222 GB, free: 7.348 MB / 1.026 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01269/1.177, allocations: 6.598 MB / 1.228 GB, free: 3.238 MB / 1.026 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.137e-05/1.177, allocations: 3.094 kB / 1.228 GB, free: 3.238 MB / 1.026 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001866/1.179, allocations: 0.5408 MB / 1.229 GB, free: 3.098 MB / 1.026 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.003644/1.182, allocations: 1.31 MB / 1.23 GB, free: 2.512 MB / 1.026 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002507/1.183, allocations: 84.7 kB / 1.23 GB, free: 2.453 MB / 1.026 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007971/1.191, allocations: 13.09 MB / 1.243 GB, free: 5.492 MB / 1.042 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.629e-06/1.191, allocations: 5.75 kB / 1.243 GB, free: 5.492 MB / 1.042 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009679/1.2, allocations: 3.951 MB / 1.247 GB, free: 1.805 MB / 1.042 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002552/1.203, allocations: 0.9635 MB / 1.248 GB, free: 0.8359 MB / 1.042 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007845/1.204, allocations: 51.98 kB / 1.248 GB, free: 0.7852 MB / 1.042 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002421/1.206, allocations: 300.8 kB / 1.248 GB, free: 0.4922 MB / 1.042 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000364/1.206, allocations: 172.8 kB / 1.248 GB, free: 336 kB / 1.042 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002287/1.207, allocations: 107.9 kB / 1.248 GB, free: 228 kB / 1.042 GB Notification: Performance of sorting global known variables: time 0.002626/1.209, allocations: 1.764 MB / 1.25 GB, free: 14.45 MB / 1.057 GB Notification: Performance of sort global known variables: time 1e-07/1.209, allocations: 0 / 1.25 GB, free: 14.45 MB / 1.057 GB Notification: Performance of remove unused functions: time 0.005143/1.214, allocations: 1.579 MB / 1.252 GB, free: 12.86 MB / 1.057 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * Number of states: 8 (relHumIn.phi,TDryBulIn.T,senMasFraIn.X,senMasFraOut.X,TDryBulOut.T,hexWetNTU.dryWetCalcs.fullyWet.TWatOutEst,relHumOut_eps.phi,hexWetNTU_TX.dryWetCalcs.fullyWet.TWatOutEst) * Number of discrete variables: 3 ($whenCondition1,w_a2.nextTimeEvent,w_a2.nextTimeEventScaled) * Number of discrete states: 2 (w_a2.nextTimeEvent,w_a2.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (226): * Single equations (assignments): 213 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * 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): 8 systems {(1,4), (1,2), (1,4), (1,2), (1,1), (1,1), (1,3), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002024/1.216, allocations: 0.7514 MB / 1.252 GB, free: 12.29 MB / 1.057 GB Notification: Performance of simCode: created initialization part: time 0.007374/1.224, allocations: 3.757 MB / 1.256 GB, free: 8.551 MB / 1.057 GB Notification: Performance of simCode: created event and clocks part: time 8.236e-06/1.224, allocations: 0 / 1.256 GB, free: 8.551 MB / 1.057 GB Notification: Performance of simCode: created simulation system equations: time 0.002592/1.226, allocations: 2.136 MB / 1.258 GB, free: 6.352 MB / 1.057 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005781/1.232, allocations: 1.768 MB / 1.26 GB, free: 4.625 MB / 1.057 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01473/1.247, allocations: 7.72 MB / 1.267 GB, free: 12.82 MB / 1.073 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007481/1.248, allocations: 0.7409 MB / 1.268 GB, free: 12.06 MB / 1.073 GB Notification: Performance of simCode: alias equations: time 0.004549/1.252, allocations: 0.9088 MB / 1.269 GB, free: 11.16 MB / 1.073 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00119/1.253, allocations: 344.3 kB / 1.269 GB, free: 10.82 MB / 1.073 GB Notification: Performance of SimCode: time 2.535e-06/1.253, allocations: 0 / 1.269 GB, free: 10.82 MB / 1.073 GB Notification: Performance of Templates: time 0.1047/1.358, allocations: 85.91 MB / 1.353 GB, free: 6.379 MB / 1.151 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.sim & ./Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_latest_Buildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTU_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_HeatExchangers_Validation_WetCoilEffectivenessNTU.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 9.282983107026666]