Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.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 0.001031/0.001031, allocations: 87.58 kB / 20.45 MB, free: 4.117 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 0.0009943/0.0009943, allocations: 161 kB / 23.82 MB, free: 0.75 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 0.9495/0.9495, allocations: 177.1 MB / 204.2 MB, free: 5.266 MB / 186.7 MB " [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 1.778/1.778, allocations: 359 MB / 0.6052 GB, free: 11.03 MB / 0.573 GB " [Timeout remaining time 178] 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: translateModel(Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|weaSta.reaWeaTDryBul.y|weaSta.reaWeaTDewPoi.y|weaSta.reaWeaTBlaSky.y|weaSta.reaWeaHGloHor.y|weaSta.reaWeaHDifHor.y|weaSta.reaWeaHDirNor.y",fileNamePrefix="Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation") translateModel(Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|weaSta.reaWeaTDryBul.y|weaSta.reaWeaTDewPoi.y|weaSta.reaWeaTBlaSky.y|weaSta.reaWeaHGloHor.y|weaSta.reaWeaHDifHor.y|weaSta.reaWeaHDirNor.y",fileNamePrefix="Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.224e-06/2.224e-06, allocations: 3.984 kB / 0.7871 GB, free: 12.53 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.509e-05/1.731e-05, allocations: 5.578 kB / 0.7871 GB, free: 12.52 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation): time 0.01223/0.01225, allocations: 5.437 MB / 0.7924 GB, free: 7.078 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.1279/0.1401, allocations: 146.8 MB / 0.9358 GB, free: 3.75 MB / 0.8855 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001288/0.1414, allocations: 35.69 kB / 0.9358 GB, free: 3.715 MB / 0.8855 GB Notification: Performance of NFTyping.typeComponents: time 0.0009417/0.1424, allocations: 381.3 kB / 0.9362 GB, free: 3.34 MB / 0.8855 GB Notification: Performance of NFTyping.typeBindings: time 0.001739/0.1441, allocations: 0.5939 MB / 0.9367 GB, free: 2.742 MB / 0.8855 GB Notification: Performance of NFTyping.typeClassSections: time 0.001544/0.1456, allocations: 0.9153 MB / 0.9376 GB, free: 1.824 MB / 0.8855 GB Notification: Performance of NFFlatten.flatten: time 0.001397/0.147, allocations: 1.647 MB / 0.9392 GB, free: 168 kB / 0.8855 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007433/0.1478, allocations: 499.1 kB / 0.9397 GB, free: 15.64 MB / 0.9011 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001265/0.149, allocations: 0.8264 MB / 0.9405 GB, free: 14.82 MB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007536/0.1498, allocations: 454.5 kB / 0.941 GB, free: 14.37 MB / 0.9011 GB Notification: Performance of NFPackage.collectConstants: time 0.0002088/0.15, allocations: 140 kB / 0.9411 GB, free: 14.23 MB / 0.9011 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008006/0.1508, allocations: 0.511 MB / 0.9416 GB, free: 13.72 MB / 0.9011 GB Notification: Performance of NFScalarize.scalarize: time 0.0002346/0.151, allocations: 354.8 kB / 0.9419 GB, free: 13.38 MB / 0.9011 GB Notification: Performance of NFVerifyModel.verify: time 0.0003489/0.1514, allocations: 442.8 kB / 0.9424 GB, free: 12.94 MB / 0.9011 GB Notification: Performance of NFConvertDAE.convert: time 0.001589/0.153, allocations: 1.432 MB / 0.9438 GB, free: 11.5 MB / 0.9011 GB Notification: Performance of FrontEnd - DAE generated: time 4.308e-06/0.153, allocations: 0 / 0.9438 GB, free: 11.5 MB / 0.9011 GB Notification: Performance of FrontEnd: time 1.282e-06/0.153, allocations: 0 / 0.9438 GB, free: 11.5 MB / 0.9011 GB Notification: Performance of Transformations before backend: time 2.499e-05/0.153, allocations: 0 / 0.9438 GB, free: 11.5 MB / 0.9011 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 257 * Number of variables: 257 Notification: Performance of Generate backend data structure: time 0.001856/0.1549, allocations: 1.787 MB / 0.9455 GB, free: 9.672 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 3.601e-05/0.1549, allocations: 8.031 kB / 0.9455 GB, free: 9.664 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008703/0.1558, allocations: 375.4 kB / 0.9459 GB, free: 9.297 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009303/0.1567, allocations: 0.8687 MB / 0.9467 GB, free: 8.395 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.207e-05/0.1568, allocations: 82.16 kB / 0.9468 GB, free: 8.312 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.29e-05/0.1568, allocations: 108 kB / 0.9469 GB, free: 8.207 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001074/0.1579, allocations: 1.103 MB / 0.948 GB, free: 6.961 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.063e-05/0.1579, allocations: 4 kB / 0.948 GB, free: 6.957 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.631e-05/0.158, allocations: 40 kB / 0.948 GB, free: 6.918 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.097e-05/0.158, allocations: 28 kB / 0.948 GB, free: 6.891 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009362/0.159, allocations: 0.8231 MB / 0.9488 GB, free: 6.062 MB / 0.9011 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002909/0.1619, allocations: 2.625 MB / 0.9514 GB, free: 3.375 MB / 0.9011 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008003/0.1627, allocations: 0.5029 MB / 0.9519 GB, free: 2.863 MB / 0.9011 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002369/0.1629, allocations: 176.8 kB / 0.9521 GB, free: 2.691 MB / 0.9011 GB Notification: Performance of preOpt evalFunc (simulation): time 5.353e-05/0.163, allocations: 32.64 kB / 0.9521 GB, free: 2.66 MB / 0.9011 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005419/0.1635, allocations: 494.5 kB / 0.9526 GB, free: 2.133 MB / 0.9011 GB Notification: Performance of pre-optimization done (n=86): time 2.655e-06/0.1635, allocations: 0 / 0.9526 GB, free: 2.133 MB / 0.9011 GB Notification: Performance of matching and sorting (n=86): time 0.001485/0.165, allocations: 0.8546 MB / 0.9534 GB, free: 1.27 MB / 0.9011 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.468e-05/0.1651, allocations: 204.9 kB / 0.9536 GB, free: 1.027 MB / 0.9011 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005687/0.1656, allocations: 0.722 MB / 0.9543 GB, free: 300 kB / 0.9011 GB Notification: Performance of collectPreVariables (initialization): time 5.046e-05/0.1657, allocations: 53.62 kB / 0.9544 GB, free: 240 kB / 0.9011 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002949/0.166, allocations: 0.5662 MB / 0.9549 GB, free: 15.66 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001538/0.1661, allocations: 285.5 kB / 0.9552 GB, free: 15.38 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001721/0.1663, allocations: 184.2 kB / 0.9554 GB, free: 15.19 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0002432/0.1665, allocations: 0.5082 MB / 0.9559 GB, free: 14.68 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002265/0.1668, allocations: 137.9 kB / 0.956 GB, free: 14.54 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003286/0.1671, allocations: 381.8 kB / 0.9564 GB, free: 14.11 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005037/0.1676, allocations: 399.1 kB / 0.9567 GB, free: 13.71 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.026e-06/0.1676, allocations: 0 / 0.9567 GB, free: 13.71 MB / 0.9167 GB Notification: Performance of matching and sorting (n=107) (initialization): time 0.0009885/0.1686, allocations: 0.6956 MB / 0.9574 GB, free: 13 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 1.796e-05/0.1686, allocations: 9.969 kB / 0.9574 GB, free: 13 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.053e-06/0.1686, allocations: 4 kB / 0.9574 GB, free: 12.99 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004599/0.1691, allocations: 127.6 kB / 0.9575 GB, free: 12.86 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003633/0.1694, allocations: 171.8 kB / 0.9577 GB, free: 12.7 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00127/0.1707, allocations: 1.913 MB / 0.9596 GB, free: 10.65 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002956/0.171, allocations: 75.59 kB / 0.9597 GB, free: 10.57 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.071e-05/0.1711, allocations: 39.97 kB / 0.9597 GB, free: 10.54 MB / 0.9167 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 27 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (105): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0002067/0.1713, allocations: 215 kB / 0.9599 GB, free: 10.31 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001254/0.1714, allocations: 139.3 kB / 0.96 GB, free: 10.18 MB / 0.9167 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001124/0.1725, allocations: 0.8478 MB / 0.9609 GB, free: 9.32 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.504e-06/0.1725, allocations: 15.98 kB / 0.9609 GB, free: 9.305 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.933e-06/0.1725, allocations: 0 / 0.9609 GB, free: 9.305 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.013e-06/0.1725, allocations: 3.984 kB / 0.9609 GB, free: 9.301 MB / 0.9167 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001897/0.1744, allocations: 1.745 MB / 0.9626 GB, free: 7.492 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.376e-06/0.1744, allocations: 0 / 0.9626 GB, free: 7.492 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002862/0.1747, allocations: 139.8 kB / 0.9627 GB, free: 7.355 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004836/0.1752, allocations: 119.6 kB / 0.9628 GB, free: 7.234 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.158e-05/0.1752, allocations: 23.98 kB / 0.9628 GB, free: 7.211 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001098/0.1763, allocations: 1.925 MB / 0.9647 GB, free: 5.152 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.32e-07/0.1763, allocations: 0 / 0.9647 GB, free: 5.152 MB / 0.9167 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001017/0.1774, allocations: 0.896 MB / 0.9656 GB, free: 4.238 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002539/0.1776, allocations: 230.9 kB / 0.9658 GB, free: 4.012 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.132e-05/0.1777, allocations: 23.92 kB / 0.9658 GB, free: 3.988 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002512/0.1779, allocations: 43.97 kB / 0.9659 GB, free: 3.945 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001177/0.178, allocations: 80.8 kB / 0.966 GB, free: 3.863 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.883e-05/0.1781, allocations: 35.97 kB / 0.966 GB, free: 3.828 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.0003762/0.1785, allocations: 474.9 kB / 0.9665 GB, free: 3.367 MB / 0.9167 GB Notification: Performance of sort global known variables: time 7.1e-08/0.1785, allocations: 0 / 0.9665 GB, free: 3.367 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.0006827/0.1791, allocations: 371 kB / 0.9668 GB, free: 3.004 MB / 0.9167 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k) * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (97): * Single equations (assignments): 86 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001194/0.1803, allocations: 0.627 MB / 0.9674 GB, free: 2.551 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.0008938/0.1812, allocations: 0.6759 MB / 0.9681 GB, free: 1.855 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 2.354e-06/0.1812, allocations: 0 / 0.9681 GB, free: 1.855 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.0004522/0.1817, allocations: 485 kB / 0.9685 GB, free: 1.359 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009518/0.1826, allocations: 481.2 kB / 0.969 GB, free: 0.9219 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002679/0.1853, allocations: 1.821 MB / 0.9708 GB, free: 15.06 MB / 0.9323 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001401/0.1855, allocations: 219.4 kB / 0.971 GB, free: 14.82 MB / 0.9323 GB Notification: Performance of simCode: alias equations: time 0.0005442/0.186, allocations: 279.6 kB / 0.9713 GB, free: 14.54 MB / 0.9323 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002015/0.1862, allocations: 120.4 kB / 0.9714 GB, free: 14.43 MB / 0.9323 GB Notification: Performance of SimCode: time 8.21e-07/0.1862, allocations: 4 kB / 0.9714 GB, free: 14.42 MB / 0.9323 GB Notification: Performance of Templates: time 0.02196/0.2082, allocations: 18.21 MB / 0.9892 GB, free: 12.49 MB / 0.948 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe ; mkfifo Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe ; head -c 1048576 < Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe >> ../files/Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.sim & ./Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.WeatherStation_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Utilities_IO_SignalExchange_Examples_WeatherStation.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: 5.658781952224672]