Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.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 0.00098/0.00098, allocations: 80.8 kB / 20.75 MB, free: 3.742 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 0.0009939/0.0009939, allocations: 161 kB / 24.16 MB, free: 336 kB / 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 0.9947/0.9947, allocations: 177.1 MB / 204.6 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo): time 1.953/1.953, allocations: 377.9 MB / 0.624 GB, free: 8.371 MB / 0.5886 GB " [Timeout remaining time 178] Using package Buildings with version 12.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-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.Sensors.Examples.Pressure,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|dp.port_a.m_flow|senRelPre.p_rel|senPre_a.p|senPre_b.p",fileNamePrefix="Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure") translateModel(Buildings.Fluid.Sensors.Examples.Pressure,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|dp.port_a.m_flow|senRelPre.p_rel|senPre_a.p|senPre_b.p",fileNamePrefix="Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.383e-06/1.383e-06, allocations: 0 / 0.7601 GB, free: 6.574 MB / 0.7136 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.329e-05/2.468e-05, allocations: 6.062 kB / 0.7601 GB, free: 6.57 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sensors.Examples.Pressure): time 0.1453/0.1453, allocations: 146.2 MB / 0.9029 GB, free: 4.02 MB / 0.8542 GB Notification: Performance of NFInst.instExpressions: time 0.00254/0.1479, allocations: 1.77 MB / 0.9046 GB, free: 2.246 MB / 0.8542 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002658/0.1481, allocations: 19.81 kB / 0.9046 GB, free: 2.227 MB / 0.8542 GB Notification: Performance of NFTyping.typeComponents: time 0.0004431/0.1486, allocations: 123.1 kB / 0.9047 GB, free: 2.105 MB / 0.8542 GB Notification: Performance of NFTyping.typeBindings: time 0.0007138/0.1493, allocations: 389.7 kB / 0.9051 GB, free: 1.723 MB / 0.8542 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007934/0.1501, allocations: 418.7 kB / 0.9055 GB, free: 1.312 MB / 0.8542 GB Notification: Performance of NFFlatten.flatten: time 0.0007713/0.1509, allocations: 0.7087 MB / 0.9062 GB, free: 0.6016 MB / 0.8542 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003494/0.1512, allocations: 214.3 kB / 0.9064 GB, free: 400 kB / 0.8542 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005501/0.1518, allocations: 422.8 kB / 0.9068 GB, free: 15.98 MB / 0.8698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001997/0.152, allocations: 183.4 kB / 0.907 GB, free: 15.8 MB / 0.8698 GB Notification: Performance of NFPackage.collectConstants: time 3.41e-05/0.152, allocations: 20 kB / 0.907 GB, free: 15.78 MB / 0.8698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005688/0.1526, allocations: 442.9 kB / 0.9074 GB, free: 15.34 MB / 0.8698 GB Notification: Performance of NFScalarize.scalarize: time 9.421e-05/0.1527, allocations: 111.6 kB / 0.9075 GB, free: 15.23 MB / 0.8698 GB Notification: Performance of NFVerifyModel.verify: time 8.123e-05/0.1527, allocations: 95.78 kB / 0.9076 GB, free: 15.14 MB / 0.8698 GB Notification: Performance of NFConvertDAE.convert: time 0.0005146/0.1532, allocations: 458.4 kB / 0.908 GB, free: 14.69 MB / 0.8698 GB Notification: Performance of FrontEnd - DAE generated: time 4.067e-06/0.1532, allocations: 0 / 0.908 GB, free: 14.69 MB / 0.8698 GB Notification: Performance of FrontEnd: time 1.052e-06/0.1533, allocations: 0 / 0.908 GB, free: 14.69 MB / 0.8698 GB Notification: Performance of Transformations before backend: time 4.518e-06/0.1533, allocations: 4 kB / 0.9081 GB, free: 14.69 MB / 0.8698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.0005755/0.1538, allocations: 0.5344 MB / 0.9086 GB, free: 14.13 MB / 0.8698 GB Notification: Performance of prepare preOptimizeDAE: time 3.605e-05/0.1539, allocations: 8.031 kB / 0.9086 GB, free: 14.12 MB / 0.8698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002762/0.1541, allocations: 88.58 kB / 0.9087 GB, free: 14.04 MB / 0.8698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003634/0.1545, allocations: 256.6 kB / 0.9089 GB, free: 13.76 MB / 0.8698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.403e-05/0.1545, allocations: 20.88 kB / 0.9089 GB, free: 13.74 MB / 0.8698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.549e-05/0.1546, allocations: 19.94 kB / 0.909 GB, free: 13.72 MB / 0.8698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003198/0.1549, allocations: 244.9 kB / 0.9092 GB, free: 13.44 MB / 0.8698 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.055e-05/0.1549, allocations: 3.938 kB / 0.9092 GB, free: 13.44 MB / 0.8698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.816e-05/0.1549, allocations: 12 kB / 0.9092 GB, free: 13.43 MB / 0.8698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.338e-05/0.1549, allocations: 8 kB / 0.9092 GB, free: 13.42 MB / 0.8698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001052/0.155, allocations: 76.33 kB / 0.9093 GB, free: 13.34 MB / 0.8698 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 0.001072/0.1561, allocations: 1.302 MB / 0.9106 GB, free: 11.97 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001504/0.1563, allocations: 90.39 kB / 0.9106 GB, free: 11.88 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 4.543e-05/0.1563, allocations: 31.62 kB / 0.9107 GB, free: 11.84 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001223/0.1564, allocations: 19.98 kB / 0.9107 GB, free: 11.82 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.013e-05/0.1565, allocations: 34.56 kB / 0.9107 GB, free: 11.78 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=11): time 2.485e-06/0.1565, allocations: 0 / 0.9107 GB, free: 11.78 MB / 0.8698 GB Notification: Performance of matching and sorting (n=11): time 0.0002979/0.1568, allocations: 101.6 kB / 0.9108 GB, free: 11.67 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.854e-05/0.1568, allocations: 51.41 kB / 0.9109 GB, free: 11.61 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001633/0.1569, allocations: 262.9 kB / 0.9111 GB, free: 11.34 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 1.819e-05/0.157, allocations: 29.7 kB / 0.9111 GB, free: 11.3 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 8.508e-05/0.157, allocations: 188.5 kB / 0.9113 GB, free: 11.12 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 2.135e-05/0.1571, allocations: 35.69 kB / 0.9114 GB, free: 11.08 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.916e-05/0.1571, allocations: 61.58 kB / 0.9114 GB, free: 11.02 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 9.876e-05/0.1572, allocations: 334.8 kB / 0.9117 GB, free: 10.68 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 3.936e-05/0.1573, allocations: 27.67 kB / 0.9118 GB, free: 10.65 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001338/0.1574, allocations: 265.2 kB / 0.912 GB, free: 10.3 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001333/0.1575, allocations: 174 kB / 0.9122 GB, free: 10.08 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.657e-06/0.1575, allocations: 4 kB / 0.9122 GB, free: 10.08 MB / 0.8698 GB Notification: Performance of matching and sorting (n=23) (initialization): time 0.0001695/0.1577, allocations: 155.1 kB / 0.9123 GB, free: 9.918 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 1.495e-05/0.1577, allocations: 8 kB / 0.9123 GB, free: 9.91 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.274e-06/0.1577, allocations: 4 kB / 0.9123 GB, free: 9.906 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.601e-05/0.1577, allocations: 4 kB / 0.9123 GB, free: 9.902 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001412/0.1579, allocations: 51.91 kB / 0.9124 GB, free: 9.852 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.541e-06/0.1579, allocations: 7.938 kB / 0.9124 GB, free: 9.844 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.107e-05/0.158, allocations: 19.89 kB / 0.9124 GB, free: 9.824 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.219e-05/0.158, allocations: 15.98 kB / 0.9124 GB, free: 9.809 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 7.284e-05/0.1581, allocations: 105.8 kB / 0.9125 GB, free: 9.699 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001164/0.1582, allocations: 257.5 kB / 0.9128 GB, free: 9.363 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001134/0.1583, allocations: 171.1 kB / 0.9129 GB, free: 9.145 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.072e-06/0.1583, allocations: 0 / 0.9129 GB, free: 9.145 MB / 0.8698 GB Notification: Performance of matching and sorting (n=23) (initialization_lambda0): time 0.000149/0.1585, allocations: 159 kB / 0.9131 GB, free: 8.98 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 5.982e-06/0.1585, allocations: 4.406 kB / 0.9131 GB, free: 8.977 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.036e-06/0.1585, allocations: 11.94 kB / 0.9131 GB, free: 8.965 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.167e-06/0.1585, allocations: 4 kB / 0.9131 GB, free: 8.961 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.36e-05/0.1586, allocations: 47.92 kB / 0.9132 GB, free: 8.914 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.139e-06/0.1586, allocations: 11.98 kB / 0.9132 GB, free: 8.902 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.518e-05/0.1587, allocations: 23.88 kB / 0.9132 GB, free: 8.879 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.141e-05/0.1587, allocations: 8 kB / 0.9132 GB, free: 8.871 MB / 0.8698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (23): * Single equations (assignments): 23 * 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 8.576e-05/0.1588, allocations: 200.1 kB / 0.9134 GB, free: 8.668 MB / 0.8698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.822e-05/0.1588, allocations: 19.92 kB / 0.9134 GB, free: 8.648 MB / 0.8698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001193/0.1589, allocations: 95.86 kB / 0.9135 GB, free: 8.547 MB / 0.8698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.236e-06/0.1589, allocations: 8 kB / 0.9135 GB, free: 8.539 MB / 0.8698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.603e-06/0.1589, allocations: 0 / 0.9135 GB, free: 8.539 MB / 0.8698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.076e-06/0.1589, allocations: 0 / 0.9135 GB, free: 8.539 MB / 0.8698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004017/0.1593, allocations: 476 kB / 0.914 GB, free: 8.02 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.105e-06/0.1593, allocations: 4 kB / 0.914 GB, free: 8.016 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.081e-05/0.1594, allocations: 19.98 kB / 0.914 GB, free: 7.996 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.526e-06/0.1594, allocations: 8.219 kB / 0.914 GB, free: 7.988 MB / 0.8698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.644e-06/0.1594, allocations: 4 kB / 0.914 GB, free: 7.984 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.714e-06/0.1594, allocations: 3.938 kB / 0.914 GB, free: 7.98 MB / 0.8698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.535e-06/0.1594, allocations: 4 kB / 0.914 GB, free: 7.977 MB / 0.8698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001452/0.1595, allocations: 287.9 kB / 0.9143 GB, free: 7.648 MB / 0.8698 GB Notification: Performance of postOpt removeConstants (simulation): time 3.943e-05/0.1596, allocations: 35.73 kB / 0.9143 GB, free: 7.613 MB / 0.8698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.979e-05/0.1596, allocations: 4.062 kB / 0.9143 GB, free: 7.609 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.178e-05/0.1597, allocations: 8 kB / 0.9143 GB, free: 7.602 MB / 0.8698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.309e-05/0.1597, allocations: 23.91 kB / 0.9144 GB, free: 7.578 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.23e-06/0.1597, allocations: 4 kB / 0.9144 GB, free: 7.574 MB / 0.8698 GB Notification: Performance of sorting global known variables: time 6.227e-05/0.1598, allocations: 92.62 kB / 0.9144 GB, free: 7.484 MB / 0.8698 GB Notification: Performance of sort global known variables: time 5e-08/0.1598, allocations: 0 / 0.9144 GB, free: 7.484 MB / 0.8698 GB Notification: Performance of remove unused functions: time 0.0003262/0.1601, allocations: 143.7 kB / 0.9146 GB, free: 7.344 MB / 0.8698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (11): * Single equations (assignments): 11 * 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 0.0001888/0.1603, allocations: 112.3 kB / 0.9147 GB, free: 7.227 MB / 0.8698 GB Notification: Performance of simCode: created initialization part: time 0.000177/0.1605, allocations: 145.6 kB / 0.9148 GB, free: 7.078 MB / 0.8698 GB Notification: Performance of simCode: created event and clocks part: time 5.881e-06/0.1605, allocations: 4 kB / 0.9148 GB, free: 7.074 MB / 0.8698 GB Notification: Performance of simCode: created simulation system equations: time 3.716e-05/0.1605, allocations: 38.33 kB / 0.9149 GB, free: 7.035 MB / 0.8698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003681/0.1609, allocations: 84.05 kB / 0.915 GB, free: 6.953 MB / 0.8698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007327/0.1616, allocations: 0.5017 MB / 0.9154 GB, free: 6.395 MB / 0.8698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.477e-05/0.1617, allocations: 96.61 kB / 0.9155 GB, free: 6.281 MB / 0.8698 GB Notification: Performance of simCode: alias equations: time 0.0001104/0.1618, allocations: 42.25 kB / 0.9156 GB, free: 6.242 MB / 0.8698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001681/0.162, allocations: 117.3 kB / 0.9157 GB, free: 6.129 MB / 0.8698 GB Notification: Performance of SimCode: time 6.91e-07/0.162, allocations: 7.938 kB / 0.9157 GB, free: 6.121 MB / 0.8698 GB Notification: Performance of Templates: time 0.006391/0.1683, allocations: 4.261 MB / 0.9199 GB, free: 1.965 MB / 0.8698 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.pipe ; mkfifo Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.pipe >> ../files/Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.sim & ./Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Fluid.Sensors.Examples.Pressure_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Sensors_Examples_Pressure.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: 5.247513318900019]