Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.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 0.00126/0.00126, allocations: 76.5 kB / 19.93 MB, free: 4.629 MB / 18.57 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 0.001195/0.001195, allocations: 173.9 kB / 23.21 MB, free: 1.355 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 0.8788/0.8788, allocations: 177.1 MB / 203.5 MB, free: 5.711 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 1.715/1.715, allocations: 389 MB / 0.6338 GB, free: 12.71 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.1 (/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.Movers.BaseClasses.Validation.EulerReducedSpeed,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pow1|eff1.WHyd|pow2|eff2.WHyd|pow3|eff3.WHyd",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pow1|eff1.WHyd|pow2|eff2.WHyd|pow3|eff3.WHyd",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.143e-06/1.143e-06, allocations: 0 / 1.001 GB, free: 12.99 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.014e-05/2.128e-05, allocations: 2.281 kB / 1.001 GB, free: 12.99 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed): time 0.003932/0.003953, allocations: 4.431 MB / 1.005 GB, free: 8.539 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.005876/0.00983, allocations: 5.341 MB / 1.01 GB, free: 3.184 MB / 0.9636 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003267/0.01016, allocations: 31.81 kB / 1.01 GB, free: 3.152 MB / 0.9636 GB Notification: Performance of NFTyping.typeComponents: time 0.002281/0.01244, allocations: 1.541 MB / 1.012 GB, free: 1.605 MB / 0.9636 GB Notification: Performance of NFTyping.typeBindings: time 0.001143/0.01358, allocations: 1.217 MB / 1.013 GB, free: 392 kB / 0.9636 GB Notification: Performance of NFTyping.typeClassSections: time 0.001185/0.01477, allocations: 1.215 MB / 1.014 GB, free: 15.16 MB / 0.9792 GB Notification: Performance of NFFlatten.flatten: time 0.01679/0.03156, allocations: 21.61 MB / 1.035 GB, free: 9.527 MB / 0.9948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002062/0.03177, allocations: 87.23 kB / 1.036 GB, free: 9.426 MB / 0.9948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001143/0.03291, allocations: 1.193 MB / 1.037 GB, free: 8.23 MB / 0.9948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006422/0.03355, allocations: 0.857 MB / 1.038 GB, free: 7.371 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 8.782e-05/0.03364, allocations: 76 kB / 1.038 GB, free: 7.297 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001259/0.0349, allocations: 1.107 MB / 1.039 GB, free: 6.188 MB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.0005523/0.03545, allocations: 1.177 MB / 1.04 GB, free: 5.008 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.0004389/0.03589, allocations: 0.7285 MB / 1.041 GB, free: 4.277 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.002244/0.03813, allocations: 3.633 MB / 1.044 GB, free: 0.6328 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 3.887e-06/0.03814, allocations: 0 / 1.044 GB, free: 0.6328 MB / 0.9948 GB Notification: Performance of FrontEnd: time 1.383e-06/0.03814, allocations: 0 / 1.044 GB, free: 0.6328 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 1.401e-05/0.03815, allocations: 0 / 1.044 GB, free: 0.6328 MB / 0.9948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 64 * Number of variables: 64 Notification: Performance of Generate backend data structure: time 0.5026/0.5408, allocations: 3.069 MB / 1.047 GB, free: 83.29 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 5.352e-05/0.5409, allocations: 12.72 kB / 1.047 GB, free: 83.29 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001692/0.5425, allocations: 0.7384 MB / 1.048 GB, free: 83.12 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00389/0.5464, allocations: 4.722 MB / 1.052 GB, free: 81.1 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.696e-05/0.5465, allocations: 27.41 kB / 1.052 GB, free: 81.09 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.631e-05/0.5465, allocations: 47.16 kB / 1.053 GB, free: 81.07 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008881/0.5474, allocations: 0.8102 MB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.114e-05/0.5474, allocations: 3.234 kB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.19e-05/0.5475, allocations: 10.75 kB / 1.053 GB, free: 80.84 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.959e-06/0.5475, allocations: 9.625 kB / 1.053 GB, free: 80.84 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009424/0.5484, allocations: 0.6584 MB / 1.054 GB, free: 80.7 MB / 0.9948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002238/0.5507, allocations: 1.983 MB / 1.056 GB, free: 79.88 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001035/0.5517, allocations: 0.8299 MB / 1.057 GB, free: 79.64 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004587/0.5522, allocations: 345.6 kB / 1.057 GB, free: 79.56 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 5.56e-05/0.5522, allocations: 16.31 kB / 1.057 GB, free: 79.55 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.79e-05/0.5522, allocations: 41.53 kB / 1.057 GB, free: 79.51 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=33): time 2.285e-06/0.5522, allocations: 0 / 1.057 GB, free: 79.51 MB / 0.9948 GB Notification: Performance of matching and sorting (n=33): time 0.001764/0.554, allocations: 1.367 MB / 1.058 GB, free: 79.09 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.747e-05/0.554, allocations: 54.34 kB / 1.058 GB, free: 79.02 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002268/0.5563, allocations: 3.178 MB / 1.062 GB, free: 77.96 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 4.79e-05/0.5563, allocations: 40.02 kB / 1.062 GB, free: 77.91 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005259/0.5569, allocations: 1.146 MB / 1.063 GB, free: 77.02 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 6.621e-05/0.5569, allocations: 117.7 kB / 1.063 GB, free: 76.93 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002015/0.5571, allocations: 225.2 kB / 1.063 GB, free: 76.85 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 4.887e-05/0.5572, allocations: 345.1 kB / 1.063 GB, free: 76.52 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008337/0.558, allocations: 0.8515 MB / 1.064 GB, free: 76.3 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009686/0.559, allocations: 1.311 MB / 1.066 GB, free: 75.53 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001665/0.5606, allocations: 2.008 MB / 1.067 GB, free: 74.64 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.362e-06/0.5607, allocations: 5.062 kB / 1.067 GB, free: 74.64 MB / 0.9948 GB Notification: Performance of matching and sorting (n=107) (initialization): time 0.002091/0.5627, allocations: 2.327 MB / 1.07 GB, free: 73.89 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 2.063e-05/0.5628, allocations: 9.125 kB / 1.07 GB, free: 73.89 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.271e-05/0.5628, allocations: 11.62 kB / 1.07 GB, free: 73.89 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.206e-05/0.5628, allocations: 15.38 kB / 1.07 GB, free: 73.89 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000526/0.5633, allocations: 251.9 kB / 1.07 GB, free: 73.87 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.632e-05/0.5633, allocations: 23.17 kB / 1.07 GB, free: 73.86 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000783/0.5641, allocations: 178 kB / 1.07 GB, free: 73.79 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001023/0.5642, allocations: 105 kB / 1.07 GB, free: 73.78 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001639/0.5659, allocations: 1.369 MB / 1.072 GB, free: 73.3 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009863/0.5669, allocations: 1.21 MB / 1.073 GB, free: 72.55 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001685/0.5685, allocations: 1.793 MB / 1.075 GB, free: 71.69 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.42e-06/0.5685, allocations: 3.938 kB / 1.075 GB, free: 71.69 MB / 0.9948 GB Notification: Performance of matching and sorting (n=107) (initialization_lambda0): time 0.002203/0.5707, allocations: 2.099 MB / 1.077 GB, free: 70.98 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.641e-05/0.5708, allocations: 10.59 kB / 1.077 GB, free: 70.98 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.404e-05/0.5708, allocations: 21.31 kB / 1.077 GB, free: 70.98 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.561e-05/0.5708, allocations: 14.5 kB / 1.077 GB, free: 70.98 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00051/0.5713, allocations: 241.6 kB / 1.077 GB, free: 70.95 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.115e-05/0.5713, allocations: 18.72 kB / 1.077 GB, free: 70.95 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008131/0.5721, allocations: 163.5 kB / 1.077 GB, free: 70.9 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.406e-05/0.5722, allocations: 82.92 kB / 1.077 GB, free: 70.89 MB / 0.9948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * Number of states: 0 () * Number of discrete variables: 1 (per3.haveWMot_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (87): * Single equations (assignments): 83 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 1 * 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 0.0002003/0.5724, allocations: 232.8 kB / 1.077 GB, free: 70.67 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001963/0.5726, allocations: 278.6 kB / 1.078 GB, free: 70.51 MB / 0.9948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001615/0.5742, allocations: 1.167 MB / 1.079 GB, free: 70.16 MB / 0.9948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.698e-06/0.5742, allocations: 2.656 kB / 1.079 GB, free: 70.16 MB / 0.9948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.37e-06/0.5742, allocations: 1.281 kB / 1.079 GB, free: 70.16 MB / 0.9948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.849e-06/0.5742, allocations: 3.188 kB / 1.079 GB, free: 70.16 MB / 0.9948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009703/0.5752, allocations: 1.104 MB / 1.08 GB, free: 69.71 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.915e-06/0.5752, allocations: 1.312 kB / 1.08 GB, free: 69.71 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003349/0.5756, allocations: 136 kB / 1.08 GB, free: 69.7 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.679e-06/0.5756, allocations: 6.344 kB / 1.08 GB, free: 69.69 MB / 0.9948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.683e-05/0.5756, allocations: 15.88 kB / 1.08 GB, free: 69.69 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.076e-06/0.5756, allocations: 1.875 kB / 1.08 GB, free: 69.69 MB / 0.9948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.853e-06/0.5756, allocations: 1.594 kB / 1.08 GB, free: 69.69 MB / 0.9948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001266/0.5769, allocations: 1.138 MB / 1.081 GB, free: 69.2 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004228/0.5773, allocations: 354.5 kB / 1.081 GB, free: 68.98 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001471/0.5774, allocations: 11.22 kB / 1.082 GB, free: 68.98 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004826/0.5779, allocations: 76.16 kB / 1.082 GB, free: 68.97 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.837e-05/0.578, allocations: 35.88 kB / 1.082 GB, free: 68.96 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.715e-05/0.578, allocations: 36.91 kB / 1.082 GB, free: 68.96 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.002027/0.5801, allocations: 2.21 MB / 1.084 GB, free: 68.21 MB / 0.9948 GB Notification: Performance of sort global known variables: time 1.5e-07/0.5801, allocations: 0 / 1.084 GB, free: 68.21 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.001589/0.5816, allocations: 0.7611 MB / 1.085 GB, free: 68.12 MB / 0.9948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (36): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.0006493/0.5823, allocations: 367.2 kB / 1.085 GB, free: 67.98 MB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.002526/0.5848, allocations: 2.107 MB / 1.087 GB, free: 67.46 MB / 0.9948 GB Notification: Performance of simCode: created event and clocks part: time 2.214e-06/0.5848, allocations: 0.8125 kB / 1.087 GB, free: 67.46 MB / 0.9948 GB Notification: Performance of simCode: created simulation system equations: time 0.0005294/0.5853, allocations: 370.1 kB / 1.087 GB, free: 67.38 MB / 0.9948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002628/0.588, allocations: 1.608 MB / 1.089 GB, free: 66.88 MB / 0.9948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004487/0.5925, allocations: 4.339 MB / 1.093 GB, free: 64.88 MB / 0.9948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001256/0.5937, allocations: 1.214 MB / 1.094 GB, free: 64.52 MB / 0.9948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006162/0.5943, allocations: 278.7 kB / 1.095 GB, free: 64.48 MB / 0.9948 GB Notification: Performance of SimCode: time 8.41e-07/0.5943, allocations: 1.219 kB / 1.095 GB, free: 64.48 MB / 0.9948 GB Notification: Performance of Templates: time 0.06717/0.6615, allocations: 49.85 MB / 1.143 GB, free: 41.55 MB / 0.9948 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.sim & ./Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_BaseClasses_Validation_EulerReducedSpeed.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.EulerReducedSpeed.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: 21.537838735617697]