Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.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 0.001052/0.001052, allocations: 87.58 kB / 20.45 MB, free: 4.121 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 0.001125/0.001125, allocations: 161 kB / 23.82 MB, free: 0.7539 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 1.033/1.033, allocations: 177.1 MB / 204.2 MB, free: 5.391 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 1.784/1.784, allocations: 377.8 MB / 0.6236 GB, free: 8.566 MB / 0.5886 GB " [Timeout remaining time 178] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-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: translateModel(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|vol.p|vol1.p|vol.T|vol1.T",fileNamePrefix="Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater") translateModel(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|vol.p|vol1.p|vol.T|vol1.T",fileNamePrefix="Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.884e-06/1.884e-06, allocations: 0 / 0.8115 GB, free: 1.738 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.563e-05/2.751e-05, allocations: 2.312 kB / 0.8115 GB, free: 1.734 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater): time 0.01192/0.01195, allocations: 9.968 MB / 0.8213 GB, free: 7.762 MB / 0.7761 GB Notification: Performance of NFInst.instExpressions: time 0.007763/0.01971, allocations: 4.299 MB / 0.8255 GB, free: 3.48 MB / 0.7761 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001099/0.02081, allocations: 51.56 kB / 0.8255 GB, free: 3.43 MB / 0.7761 GB Notification: Performance of NFTyping.typeComponents: time 0.0007355/0.02155, allocations: 238.2 kB / 0.8258 GB, free: 3.195 MB / 0.7761 GB Notification: Performance of NFTyping.typeBindings: time 0.002037/0.02359, allocations: 0.8751 MB / 0.8266 GB, free: 2.324 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.001963/0.02555, allocations: 0.8994 MB / 0.8275 GB, free: 1.426 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.003275/0.02882, allocations: 2.104 MB / 0.8295 GB, free: 15.3 MB / 0.7917 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00115/0.02997, allocations: 0.509 MB / 0.83 GB, free: 14.79 MB / 0.7917 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002118/0.03209, allocations: 1.02 MB / 0.831 GB, free: 13.78 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008045/0.0329, allocations: 498.4 kB / 0.8315 GB, free: 13.29 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.0001176/0.03301, allocations: 52 kB / 0.8316 GB, free: 13.24 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001053/0.03407, allocations: 490.9 kB / 0.832 GB, free: 12.76 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.0001913/0.03426, allocations: 187.2 kB / 0.8322 GB, free: 12.58 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.0003224/0.03458, allocations: 255.4 kB / 0.8324 GB, free: 12.33 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.001446/0.03603, allocations: 0.8175 MB / 0.8332 GB, free: 11.51 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 4.659e-06/0.03603, allocations: 0 / 0.8332 GB, free: 11.51 MB / 0.7917 GB Notification: Performance of FrontEnd: time 1.713e-06/0.03603, allocations: 0 / 0.8332 GB, free: 11.51 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 1.134e-05/0.03604, allocations: 0 / 0.8332 GB, free: 11.51 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.001435/0.03748, allocations: 1.071 MB / 0.8343 GB, free: 10.4 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 4.753e-05/0.03753, allocations: 12.03 kB / 0.8343 GB, free: 10.39 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003782/0.0379, allocations: 136.3 kB / 0.8344 GB, free: 10.25 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009035/0.03881, allocations: 0.5898 MB / 0.835 GB, free: 9.637 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.825e-05/0.03885, allocations: 33.38 kB / 0.835 GB, free: 9.602 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.996e-05/0.03893, allocations: 48.38 kB / 0.8351 GB, free: 9.555 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007106/0.03964, allocations: 0.5505 MB / 0.8356 GB, free: 8.93 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.3e-05/0.03966, allocations: 3.938 kB / 0.8356 GB, free: 8.926 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.545e-05/0.03971, allocations: 20 kB / 0.8356 GB, free: 8.906 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.397e-05/0.03975, allocations: 16 kB / 0.8357 GB, free: 8.891 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003693/0.04012, allocations: 169.7 kB / 0.8358 GB, free: 8.723 MB / 0.7917 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002247/0.04237, allocations: 2.243 MB / 0.838 GB, free: 6.398 MB / 0.7917 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002732/0.04264, allocations: 127 kB / 0.8381 GB, free: 6.262 MB / 0.7917 GB Notification: Performance of preOpt resolveLoops (simulation): time 9.956e-05/0.04274, allocations: 63.61 kB / 0.8382 GB, free: 6.195 MB / 0.7917 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001546/0.04289, allocations: 27.97 kB / 0.8382 GB, free: 6.168 MB / 0.7917 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.938e-05/0.04292, allocations: 37.39 kB / 0.8383 GB, free: 6.121 MB / 0.7917 GB Notification: Performance of pre-optimization done (n=22): time 2.885e-06/0.04293, allocations: 0 / 0.8383 GB, free: 6.121 MB / 0.7917 GB Notification: Performance of matching and sorting (n=22): time 0.0004864/0.04341, allocations: 215.8 kB / 0.8385 GB, free: 5.906 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.463e-05/0.04345, allocations: 59.33 kB / 0.8385 GB, free: 5.836 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005392/0.04399, allocations: 0.5259 MB / 0.839 GB, free: 5.293 MB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 3.3e-05/0.04402, allocations: 41.64 kB / 0.8391 GB, free: 5.246 MB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.000256/0.04427, allocations: 406.8 kB / 0.8395 GB, free: 4.844 MB / 0.7917 GB Notification: Performance of collectInitialBindings (initialization): time 7.114e-05/0.04435, allocations: 79.33 kB / 0.8395 GB, free: 4.766 MB / 0.7917 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000111/0.04446, allocations: 91.25 kB / 0.8396 GB, free: 4.668 MB / 0.7917 GB Notification: Performance of setup shared object (initialization): time 0.000185/0.04464, allocations: 0.5313 MB / 0.8401 GB, free: 4.125 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001015/0.04474, allocations: 51.66 kB / 0.8402 GB, free: 4.07 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002597/0.045, allocations: 356.8 kB / 0.8405 GB, free: 3.609 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003427/0.04535, allocations: 304 kB / 0.8408 GB, free: 3.234 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.12e-06/0.04535, allocations: 4 kB / 0.8408 GB, free: 3.23 MB / 0.7917 GB Notification: Performance of matching and sorting (n=44) (initialization): time 0.0004733/0.04582, allocations: 317.3 kB / 0.8411 GB, free: 2.914 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 2.028e-05/0.04584, allocations: 5.562 kB / 0.8411 GB, free: 2.91 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.676e-06/0.04585, allocations: 4 kB / 0.8411 GB, free: 2.906 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.11e-05/0.04587, allocations: 8 kB / 0.8411 GB, free: 2.898 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002457/0.04612, allocations: 75.91 kB / 0.8412 GB, free: 2.824 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.437e-05/0.04613, allocations: 15.92 kB / 0.8412 GB, free: 2.809 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002663/0.0464, allocations: 35.73 kB / 0.8413 GB, free: 2.773 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.163e-05/0.04643, allocations: 16 kB / 0.8413 GB, free: 2.758 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001808/0.04661, allocations: 178.8 kB / 0.8415 GB, free: 2.578 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002336/0.04685, allocations: 348.1 kB / 0.8418 GB, free: 2.125 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000299/0.04715, allocations: 301.7 kB / 0.8421 GB, free: 1.754 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.334e-06/0.04715, allocations: 0 / 0.8421 GB, free: 1.754 MB / 0.7917 GB Notification: Performance of matching and sorting (n=44) (initialization_lambda0): time 0.0004488/0.0476, allocations: 312.9 kB / 0.8424 GB, free: 1.441 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 1.253e-05/0.04761, allocations: 4 kB / 0.8424 GB, free: 1.438 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.292e-06/0.04762, allocations: 4 kB / 0.8424 GB, free: 1.434 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.656e-06/0.04762, allocations: 8 kB / 0.8424 GB, free: 1.426 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002062/0.04783, allocations: 75.91 kB / 0.8425 GB, free: 1.352 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.146e-05/0.04784, allocations: 15.92 kB / 0.8425 GB, free: 1.336 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002366/0.04808, allocations: 32.28 kB / 0.8425 GB, free: 1.305 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.699e-05/0.04811, allocations: 20 kB / 0.8425 GB, free: 1.285 MB / 0.7917 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 19 * 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 initialization (44): * Single equations (assignments): 44 * 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 prepare postOptimizeDAE: time 0.0001556/0.04826, allocations: 295.9 kB / 0.8428 GB, free: 0.9883 MB / 0.7917 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.685e-05/0.04836, allocations: 67.62 kB / 0.8429 GB, free: 0.9219 MB / 0.7917 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003605/0.04872, allocations: 202.4 kB / 0.8431 GB, free: 0.7148 MB / 0.7917 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.567e-06/0.04873, allocations: 7.984 kB / 0.8431 GB, free: 0.707 MB / 0.7917 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.938e-06/0.04873, allocations: 0 / 0.8431 GB, free: 0.707 MB / 0.7917 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002484/0.04898, allocations: 308.1 kB / 0.8434 GB, free: 368 kB / 0.7917 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001168/0.05015, allocations: 0.8221 MB / 0.8442 GB, free: 15.46 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.108e-06/0.05015, allocations: 3.938 kB / 0.8442 GB, free: 15.45 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001838/0.05034, allocations: 51.91 kB / 0.8442 GB, free: 15.4 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.64e-06/0.05034, allocations: 4 kB / 0.8442 GB, free: 15.4 MB / 0.8073 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.096e-05/0.05036, allocations: 11.94 kB / 0.8442 GB, free: 15.39 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.9e-06/0.05037, allocations: 8 kB / 0.8442 GB, free: 15.38 MB / 0.8073 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.128e-06/0.05037, allocations: 4.281 kB / 0.8443 GB, free: 15.38 MB / 0.8073 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004995/0.05087, allocations: 475.9 kB / 0.8447 GB, free: 14.86 MB / 0.8073 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001617/0.05103, allocations: 91.45 kB / 0.8448 GB, free: 14.77 MB / 0.8073 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.31e-05/0.0511, allocations: 15.98 kB / 0.8448 GB, free: 14.75 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002509/0.05135, allocations: 8 kB / 0.8448 GB, free: 14.74 MB / 0.8073 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.995e-05/0.05139, allocations: 23.91 kB / 0.8448 GB, free: 14.72 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.974e-05/0.05142, allocations: 15.98 kB / 0.8449 GB, free: 14.7 MB / 0.8073 GB Notification: Performance of sorting global known variables: time 0.0003426/0.05176, allocations: 346.8 kB / 0.8452 GB, free: 14.37 MB / 0.8073 GB Notification: Performance of sort global known variables: time 1.81e-07/0.05176, allocations: 0 / 0.8452 GB, free: 14.37 MB / 0.8073 GB Notification: Performance of remove unused functions: time 0.0009904/0.05275, allocations: 335.2 kB / 0.8455 GB, free: 14.04 MB / 0.8073 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 2 (vol.dynBal.U,vol1.dynBal.U) * 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 (25): * Single equations (assignments): 24 * Array equations: 0 * 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 Backend phase and start with SimCode phase: time 0.0003784/0.05313, allocations: 198.9 kB / 0.8457 GB, free: 13.84 MB / 0.8073 GB Notification: Performance of simCode: created initialization part: time 0.000528/0.05366, allocations: 306.7 kB / 0.846 GB, free: 13.54 MB / 0.8073 GB Notification: Performance of simCode: created event and clocks part: time 3.306e-06/0.05366, allocations: 0 / 0.846 GB, free: 13.54 MB / 0.8073 GB Notification: Performance of simCode: created simulation system equations: time 0.0001187/0.05378, allocations: 80.39 kB / 0.8461 GB, free: 13.45 MB / 0.8073 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001233/0.05501, allocations: 342.4 kB / 0.8464 GB, free: 13.13 MB / 0.8073 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001736/0.05675, allocations: 1.007 MB / 0.8474 GB, free: 12.05 MB / 0.8073 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001145/0.05686, allocations: 138 kB / 0.8475 GB, free: 11.89 MB / 0.8073 GB Notification: Performance of simCode: alias equations: time 0.0004184/0.05728, allocations: 136.7 kB / 0.8476 GB, free: 11.76 MB / 0.8073 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001022/0.05738, allocations: 60.42 kB / 0.8477 GB, free: 11.7 MB / 0.8073 GB Notification: Performance of SimCode: time 9.42e-07/0.05738, allocations: 0 / 0.8477 GB, free: 11.7 MB / 0.8073 GB Notification: Performance of Templates: time 0.02141/0.07879, allocations: 12.33 MB / 0.8597 GB, free: 15.66 MB / 0.823 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe ; mkfifo Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe >> ../files/Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.sim & ./Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesWater.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: 5.2005828488618135]