Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Examples.Performance.Example2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001589/0.001589, allocations: 115.2 kB / 17.13 MB, free: 5.914 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001588/0.001588, allocations: 193.2 kB / 20.08 MB, free: 2.98 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, allocations: 225.6 MB / 248.5 MB, free: 3.621 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.535/2.535, allocations: 443.5 MB / 0.7293 GB, free: 14.66 MB / 0.5762 GB " [Timeout remaining time 177] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.Examples.Performance.Example2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump_dp.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.Performance.Example2") translateModel(Buildings.Fluid.Examples.Performance.Example2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pump_dp.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.Performance.Example2") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002042/0.002042, allocations: 67.89 kB / 1.057 GB, free: 2.07 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3251/0.3271, allocations: 160.7 MB / 1.214 GB, free: 1.043 MB / 0.9512 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example2): time 0.03411/0.3612, allocations: 30.28 MB / 1.244 GB, free: 2.641 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.01905/0.3803, allocations: 11.77 MB / 1.255 GB, free: 6.84 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002157/0.3824, allocations: 51.75 kB / 1.255 GB, free: 6.789 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.004884/0.3873, allocations: 1.495 MB / 1.257 GB, free: 5.289 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004931/0.3922, allocations: 1.672 MB / 1.258 GB, free: 3.609 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004053/0.3963, allocations: 1.476 MB / 1.26 GB, free: 2.141 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.6532/1.049, allocations: 6.718 MB / 1.266 GB, free: 9.66 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002126/1.052, allocations: 1.18 MB / 1.267 GB, free: 9.555 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003933/1.056, allocations: 1.525 MB / 1.269 GB, free: 9.52 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002749/1.058, allocations: 1.176 MB / 1.27 GB, free: 9.305 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0004761/1.059, allocations: 128.8 kB / 1.27 GB, free: 9.305 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003567/1.062, allocations: 1.336 MB / 1.271 GB, free: 9.305 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0008003/1.063, allocations: 0.5459 MB / 1.272 GB, free: 9.215 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001591/1.065, allocations: 0.9702 MB / 1.273 GB, free: 8.926 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.00575/1.07, allocations: 3.06 MB / 1.276 GB, free: 8.488 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.149e-06/1.07, allocations: 0 / 1.276 GB, free: 8.488 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.843e-06/1.07, allocations: 4 kB / 1.276 GB, free: 8.484 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 7.989e-05/1.071, allocations: 0.5625 kB / 1.276 GB, free: 8.484 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 192 * Number of variables: 192 Notification: Performance of Generate backend data structure: time 0.005607/1.076, allocations: 2.437 MB / 1.278 GB, free: 7.145 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.179e-05/1.076, allocations: 10 kB / 1.278 GB, free: 7.145 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002371/1.079, allocations: 389 kB / 1.279 GB, free: 7.02 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005554/1.084, allocations: 2.411 MB / 1.281 GB, free: 6.52 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.85e-05/1.084, allocations: 66.77 kB / 1.281 GB, free: 6.52 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001597/1.084, allocations: 90.11 kB / 1.281 GB, free: 6.516 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002063/1.086, allocations: 1.01 MB / 1.282 GB, free: 6.312 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.851e-05/1.086, allocations: 5.984 kB / 1.282 GB, free: 6.309 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.589e-05/1.087, allocations: 33.66 kB / 1.282 GB, free: 6.309 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.929e-05/1.087, allocations: 19.09 kB / 1.282 GB, free: 6.309 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001725/1.088, allocations: 0.7601 MB / 1.283 GB, free: 6.293 MB / 0.9981 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 0.007356/1.096, allocations: 5.253 MB / 1.288 GB, free: 3.383 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001384/1.097, allocations: 0.5271 MB / 1.289 GB, free: 3.355 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007024/1.098, allocations: 306 kB / 1.289 GB, free: 3.34 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002836/1.101, allocations: 1.589 MB / 1.29 GB, free: 2.477 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000795/1.101, allocations: 327 kB / 1.291 GB, free: 2.422 MB / 0.9981 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006496/1.102, allocations: 73.83 kB / 1.291 GB, free: 2.379 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=42): time 2.986e-06/1.102, allocations: 0.9688 kB / 1.291 GB, free: 2.379 MB / 0.9981 GB Notification: Performance of matching and sorting (n=42): time 0.003642/1.106, allocations: 1.229 MB / 1.292 GB, free: 2.113 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.532e-05/1.106, allocations: 59.78 kB / 1.292 GB, free: 2.047 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003192/1.109, allocations: 1.872 MB / 1.294 GB, free: 1.801 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0001728/1.109, allocations: 41.86 kB / 1.294 GB, free: 1.77 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007605/1.11, allocations: 0.7903 MB / 1.295 GB, free: 1.516 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001789/1.11, allocations: 162.9 kB / 1.295 GB, free: 1.418 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004035/1.11, allocations: 264.1 kB / 1.295 GB, free: 1.391 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 9.627e-05/1.111, allocations: 354.7 kB / 1.296 GB, free: 1.086 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009235/1.111, allocations: 465.5 kB / 1.296 GB, free: 1.07 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001152/1.113, allocations: 0.8288 MB / 1.297 GB, free: 0.6367 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001803/1.114, allocations: 1.163 MB / 1.298 GB, free: 272 kB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.105e-06/1.114, allocations: 2.062 kB / 1.298 GB, free: 272 kB / 0.9981 GB Notification: Performance of matching and sorting (n=150) (initialization): time 0.003615/1.118, allocations: 1.606 MB / 1.299 GB, free: 16.05 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 5.635e-05/1.118, allocations: 38.73 kB / 1.3 GB, free: 16.02 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.989e-05/1.118, allocations: 9 kB / 1.3 GB, free: 16.02 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006928/1.119, allocations: 187.9 kB / 1.3 GB, free: 16 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007332/1.12, allocations: 197.6 kB / 1.3 GB, free: 16 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008823/1.12, allocations: 0.7647 MB / 1.301 GB, free: 15.47 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001714/1.122, allocations: 70.5 kB / 1.301 GB, free: 15.46 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001119/1.122, allocations: 52.84 kB / 1.301 GB, free: 15.46 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001842/1.124, allocations: 0.8653 MB / 1.302 GB, free: 15.14 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001247/1.125, allocations: 0.8205 MB / 1.302 GB, free: 14.52 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001943/1.127, allocations: 1.125 MB / 1.303 GB, free: 13.85 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.913e-06/1.127, allocations: 6.562 kB / 1.304 GB, free: 13.84 MB / 1.014 GB Notification: Performance of matching and sorting (n=150) (initialization_lambda0): time 0.003414/1.131, allocations: 1.581 MB / 1.305 GB, free: 13.19 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 4.854e-05/1.131, allocations: 37.06 kB / 1.305 GB, free: 13.16 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.127e-05/1.131, allocations: 8.25 kB / 1.305 GB, free: 13.16 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000277/1.131, allocations: 112.2 kB / 1.305 GB, free: 13.12 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007231/1.132, allocations: 193.6 kB / 1.305 GB, free: 13.12 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002751/1.135, allocations: 2.359 MB / 1.308 GB, free: 11.22 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001736/1.136, allocations: 79.09 kB / 1.308 GB, free: 11.2 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001413/1.136, allocations: 45.95 kB / 1.308 GB, free: 11.19 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * Number of states: 0 () * Number of discrete variables: 7 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,from_dp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (105): * Single equations (assignments): 101 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(5,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0004514/1.137, allocations: 236.3 kB / 1.308 GB, free: 10.98 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000701/1.138, allocations: 176.1 kB / 1.308 GB, free: 10.89 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002781/1.14, allocations: 0.91 MB / 1.309 GB, free: 10.55 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.899e-05/1.14, allocations: 8.578 kB / 1.309 GB, free: 10.55 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.103e-06/1.14, allocations: 2.891 kB / 1.309 GB, free: 10.55 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001847/1.142, allocations: 0.8783 MB / 1.31 GB, free: 10.02 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006302/1.148, allocations: 2.002 MB / 1.312 GB, free: 9.098 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.805e-06/1.148, allocations: 1.938 kB / 1.312 GB, free: 9.098 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005008/1.149, allocations: 85.16 kB / 1.312 GB, free: 9.09 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003385/1.149, allocations: 121 kB / 1.312 GB, free: 9.062 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.018e-05/1.149, allocations: 16.78 kB / 1.312 GB, free: 9.055 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008197/1.15, allocations: 0.7499 MB / 1.313 GB, free: 8.457 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.736e-06/1.15, allocations: 1.5 kB / 1.313 GB, free: 8.457 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003413/1.154, allocations: 1.246 MB / 1.314 GB, free: 7.883 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001301/1.155, allocations: 325.4 kB / 1.314 GB, free: 7.645 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007504/1.156, allocations: 11.55 kB / 1.314 GB, free: 7.637 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001247/1.157, allocations: 46.84 kB / 1.314 GB, free: 7.625 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001326/1.157, allocations: 34.84 kB / 1.314 GB, free: 7.621 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.329e-05/1.157, allocations: 22.86 kB / 1.314 GB, free: 7.617 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.003381/1.161, allocations: 1.274 MB / 1.316 GB, free: 7.117 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.9e-07/1.161, allocations: 0 / 1.316 GB, free: 7.117 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.004532/1.165, allocations: 0.8163 MB / 1.317 GB, free: 6.973 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (pump_dp.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (37): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(5,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002048/1.167, allocations: 0.5076 MB / 1.317 GB, free: 6.805 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.004633/1.172, allocations: 1.76 MB / 1.319 GB, free: 6.113 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 5.961e-06/1.172, allocations: 0 / 1.319 GB, free: 6.113 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.0009664/1.173, allocations: 312.3 kB / 1.319 GB, free: 6.043 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004743/1.177, allocations: 0.7973 MB / 1.32 GB, free: 5.797 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008195/1.186, allocations: 3.125 MB / 1.323 GB, free: 4.328 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001875/1.188, allocations: 1.431 MB / 1.324 GB, free: 3.508 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006875/1.188, allocations: 138.5 kB / 1.324 GB, free: 3.492 MB / 1.014 GB Notification: Performance of SimCode: time 1.112e-06/1.188, allocations: 0 / 1.324 GB, free: 3.492 MB / 1.014 GB Notification: Performance of Templates: time 0.06552/1.254, allocations: 37.09 MB / 1.361 GB, free: 14.91 MB / 1.045 GB " [Timeout remaining time 299] make -j1 -f Buildings_10_Buildings.Fluid.Examples.Performance.Example2.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.Examples.Performance.Example2.pipe ; mkfifo Buildings_10_Buildings.Fluid.Examples.Performance.Example2.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Examples.Performance.Example2.pipe >> ../files/Buildings_10_Buildings.Fluid.Examples.Performance.Example2.sim & ./Buildings_10_Buildings.Fluid.Examples.Performance.Example2 -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Examples.Performance.Example2.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.Examples.Performance.Example2_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Examples_Performance_Example2.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Examples.Performance.Example2.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: 18.124024517135695]