Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.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 0.002034/0.002034, allocations: 80.41 kB / 20.23 MB, free: 4.199 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 0.002598/0.002598, allocations: 161.6 kB / 23.55 MB, free: 0.8906 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 1.562/1.562, allocations: 177.1 MB / 203.9 MB, free: 5.582 MB / 186.7 MB " [Timeout remaining time 178] 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 2.96/2.96, allocations: 377.8 MB / 0.6232 GB, free: 8.52 MB / 0.5886 GB " [Timeout remaining time 176] 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.Movers.BaseClasses.Validation.EulerComparison,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eta1|eta2|P1|P2|eff1.dp|eff1.r_N",fileNamePrefix="Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eta1|eta2|P1|P2|eff1.dp|eff1.r_N",fileNamePrefix="Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.114e-06/2.114e-06, allocations: 0.7656 kB / 0.8108 GB, free: 2.074 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 4.138e-05/4.349e-05, allocations: 7.859 kB / 0.8108 GB, free: 2.066 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison): time 0.008367/0.008411, allocations: 3.461 MB / 0.8142 GB, free: 14.61 MB / 0.7761 GB Notification: Performance of NFInst.instExpressions: time 0.01316/0.02157, allocations: 4.629 MB / 0.8187 GB, free: 9.984 MB / 0.7761 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001223/0.02279, allocations: 25.34 kB / 0.8187 GB, free: 9.961 MB / 0.7761 GB Notification: Performance of NFTyping.typeComponents: time 0.006593/0.02938, allocations: 1.444 MB / 0.8202 GB, free: 8.52 MB / 0.7761 GB Notification: Performance of NFTyping.typeBindings: time 0.00337/0.03275, allocations: 0.844 MB / 0.821 GB, free: 7.68 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.003055/0.03581, allocations: 0.8575 MB / 0.8218 GB, free: 6.824 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.03175/0.06756, allocations: 14.8 MB / 0.8363 GB, free: 8.02 MB / 0.7917 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003906/0.06795, allocations: 61.89 kB / 0.8363 GB, free: 7.953 MB / 0.7917 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002269/0.07022, allocations: 0.7756 MB / 0.8371 GB, free: 7.176 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001294/0.07151, allocations: 0.5843 MB / 0.8377 GB, free: 6.59 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.0002701/0.07178, allocations: 56 kB / 0.8377 GB, free: 6.535 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0015/0.07328, allocations: 0.5301 MB / 0.8382 GB, free: 6.004 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.001173/0.07446, allocations: 0.8027 MB / 0.839 GB, free: 5.199 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.001146/0.0756, allocations: 0.4948 MB / 0.8395 GB, free: 4.703 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.00384/0.07944, allocations: 2.207 MB / 0.8417 GB, free: 2.488 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 8.136e-06/0.07945, allocations: 4 kB / 0.8417 GB, free: 2.484 MB / 0.7917 GB Notification: Performance of FrontEnd: time 2.174e-06/0.07945, allocations: 0 / 0.8417 GB, free: 2.484 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 7.85e-05/0.07953, allocations: 0 / 0.8417 GB, free: 2.484 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: 44 * Number of variables: 44 Notification: Performance of Generate backend data structure: time 0.005569/0.0851, allocations: 2.155 MB / 0.8438 GB, free: 288 kB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 4.603e-05/0.08515, allocations: 12.03 kB / 0.8438 GB, free: 276 kB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002819/0.08797, allocations: 0.5023 MB / 0.8443 GB, free: 15.77 MB / 0.8073 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006094/0.09406, allocations: 3.019 MB / 0.8472 GB, free: 12.67 MB / 0.8073 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.457e-05/0.09409, allocations: 23.94 kB / 0.8472 GB, free: 12.64 MB / 0.8073 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.882e-05/0.09418, allocations: 32 kB / 0.8473 GB, free: 12.61 MB / 0.8073 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001454/0.09564, allocations: 0.5877 MB / 0.8478 GB, free: 12.02 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.158e-05/0.09565, allocations: 0 / 0.8478 GB, free: 12.02 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.411e-05/0.0957, allocations: 8 kB / 0.8478 GB, free: 12.01 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.185e-05/0.09571, allocations: 7.984 kB / 0.8479 GB, free: 12 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001595/0.09731, allocations: 479.6 kB / 0.8483 GB, free: 11.54 MB / 0.8073 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003853/0.1012, allocations: 1.479 MB / 0.8498 GB, free: 10.02 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0018/0.103, allocations: 0.588 MB / 0.8503 GB, free: 9.426 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008035/0.1038, allocations: 248.6 kB / 0.8506 GB, free: 9.18 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 4.344e-05/0.1038, allocations: 8 kB / 0.8506 GB, free: 9.172 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.082e-05/0.1039, allocations: 30.67 kB / 0.8506 GB, free: 9.133 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=21): time 1.853e-06/0.1039, allocations: 3.938 kB / 0.8506 GB, free: 9.129 MB / 0.8073 GB Notification: Performance of matching and sorting (n=21): time 0.003117/0.107, allocations: 0.9512 MB / 0.8515 GB, free: 8.172 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.584e-05/0.107, allocations: 63.41 kB / 0.8516 GB, free: 8.098 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00398/0.111, allocations: 2.218 MB / 0.8538 GB, free: 5.848 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 8.399e-05/0.1111, allocations: 37.7 kB / 0.8538 GB, free: 5.805 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009169/0.112, allocations: 0.7601 MB / 0.8545 GB, free: 5.039 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001187/0.1121, allocations: 75.33 kB / 0.8546 GB, free: 4.965 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003109/0.1124, allocations: 138.1 kB / 0.8547 GB, free: 4.824 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.000229/0.1127, allocations: 333.9 kB / 0.8551 GB, free: 4.492 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001272/0.1139, allocations: 0.5729 MB / 0.8556 GB, free: 3.914 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001835/0.1158, allocations: 0.8987 MB / 0.8565 GB, free: 2.898 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002802/0.1186, allocations: 1.343 MB / 0.8578 GB, free: 1.465 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.053e-05/0.1186, allocations: 0 / 0.8578 GB, free: 1.465 MB / 0.8073 GB Notification: Performance of matching and sorting (n=64) (initialization): time 0.003668/0.1223, allocations: 1.581 MB / 0.8594 GB, free: 15.88 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 3.332e-05/0.1223, allocations: 11.94 kB / 0.8594 GB, free: 15.86 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.261e-05/0.1223, allocations: 12.03 kB / 0.8594 GB, free: 15.85 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.486e-05/0.1223, allocations: 12 kB / 0.8594 GB, free: 15.84 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008656/0.1232, allocations: 171.8 kB / 0.8596 GB, free: 15.67 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.028e-05/0.1232, allocations: 8 kB / 0.8596 GB, free: 15.66 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001595/0.1248, allocations: 140 kB / 0.8597 GB, free: 15.53 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001382/0.125, allocations: 67.98 kB / 0.8598 GB, free: 15.46 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002029/0.127, allocations: 0.9342 MB / 0.8607 GB, free: 14.52 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001592/0.1286, allocations: 0.7968 MB / 0.8614 GB, free: 13.61 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002795/0.1314, allocations: 1.161 MB / 0.8626 GB, free: 12.36 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.755e-05/0.1314, allocations: 4 kB / 0.8626 GB, free: 12.36 MB / 0.823 GB Notification: Performance of matching and sorting (n=64) (initialization_lambda0): time 0.004146/0.1355, allocations: 1.367 MB / 0.8639 GB, free: 10.98 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 2.768e-05/0.1356, allocations: 12.03 kB / 0.8639 GB, free: 10.97 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.174e-05/0.1356, allocations: 11.94 kB / 0.8639 GB, free: 10.96 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.681e-05/0.1356, allocations: 8 kB / 0.864 GB, free: 10.95 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008383/0.1365, allocations: 151.8 kB / 0.8641 GB, free: 10.8 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.506e-05/0.1365, allocations: 15.98 kB / 0.8641 GB, free: 10.79 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00239/0.1389, allocations: 144 kB / 0.8642 GB, free: 10.64 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001597/0.139, allocations: 59.95 kB / 0.8643 GB, free: 10.59 MB / 0.823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 30 * 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 (52): * Single equations (assignments): 50 * Array equations: 2 * 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 0.0004824/0.1395, allocations: 212.1 kB / 0.8645 GB, free: 10.37 MB / 0.823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001041/0.1406, allocations: 190.7 kB / 0.8647 GB, free: 10.18 MB / 0.823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003341/0.1439, allocations: 0.7952 MB / 0.8655 GB, free: 9.379 MB / 0.823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.698e-06/0.1439, allocations: 11.94 kB / 0.8655 GB, free: 9.367 MB / 0.823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.606e-06/0.1439, allocations: 0 / 0.8655 GB, free: 9.367 MB / 0.823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.519e-06/0.1439, allocations: 0 / 0.8655 GB, free: 9.367 MB / 0.823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00274/0.1467, allocations: 0.7593 MB / 0.8662 GB, free: 8.574 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.103e-06/0.1467, allocations: 0 / 0.8662 GB, free: 8.574 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005851/0.1473, allocations: 91.86 kB / 0.8663 GB, free: 8.484 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.245e-05/0.1473, allocations: 3.984 kB / 0.8663 GB, free: 8.48 MB / 0.823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.555e-05/0.1473, allocations: 11.94 kB / 0.8663 GB, free: 8.469 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.466e-06/0.1473, allocations: 4 kB / 0.8663 GB, free: 8.465 MB / 0.823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.514e-06/0.1473, allocations: 0 / 0.8663 GB, free: 8.465 MB / 0.823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002442/0.1498, allocations: 0.8127 MB / 0.8671 GB, free: 7.633 MB / 0.823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009436/0.1507, allocations: 234.6 kB / 0.8673 GB, free: 7.402 MB / 0.823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006035/0.1513, allocations: 11.94 kB / 0.8674 GB, free: 7.391 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001269/0.1526, allocations: 87.89 kB / 0.8674 GB, free: 7.305 MB / 0.823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.662e-05/0.1527, allocations: 15.97 kB / 0.8675 GB, free: 7.289 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.207e-05/0.1528, allocations: 27.98 kB / 0.8675 GB, free: 7.262 MB / 0.823 GB Notification: Performance of sorting global known variables: time 0.003311/0.1561, allocations: 1.569 MB / 0.869 GB, free: 5.676 MB / 0.823 GB Notification: Performance of sort global known variables: time 9e-08/0.1561, allocations: 0 / 0.869 GB, free: 5.676 MB / 0.823 GB Notification: Performance of remove unused functions: time 0.002079/0.1581, allocations: 479.6 kB / 0.8695 GB, free: 5.207 MB / 0.823 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 (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 Backend phase and start with SimCode phase: time 0.0007253/0.1589, allocations: 242.8 kB / 0.8697 GB, free: 4.961 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.003572/0.1624, allocations: 1.391 MB / 0.8711 GB, free: 3.574 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 3.537e-06/0.1624, allocations: 3.938 kB / 0.8711 GB, free: 3.57 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 0.0008002/0.1632, allocations: 260 kB / 0.8713 GB, free: 3.316 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004823/0.1681, allocations: 1.145 MB / 0.8724 GB, free: 2.184 MB / 0.823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006458/0.1745, allocations: 2.88 MB / 0.8752 GB, free: 15.25 MB / 0.8386 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001424/0.1759, allocations: 0.8266 MB / 0.876 GB, free: 14.39 MB / 0.8386 GB Notification: Performance of simCode: alias equations: time 0.002259/0.1782, allocations: 0.501 MB / 0.8765 GB, free: 13.89 MB / 0.8386 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006535/0.1789, allocations: 172.4 kB / 0.8767 GB, free: 13.72 MB / 0.8386 GB Notification: Performance of SimCode: time 1.973e-06/0.1789, allocations: 0 / 0.8767 GB, free: 13.72 MB / 0.8386 GB Notification: Performance of Templates: time 0.07672/0.2556, allocations: 41.18 MB / 0.9169 GB, free: 5.703 MB / 0.8698 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe ; mkfifo Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe >> ../files/Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.sim & ./Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Movers_BaseClasses_Validation_EulerComparison.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Movers.BaseClasses.Validation.EulerComparison.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: 9.409547856077552]