Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.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 0.0009836/0.0009836, allocations: 84.22 kB / 20.94 MB, free: 3.609 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 0.001266/0.001266, allocations: 169 kB / 24.25 MB, free: 308 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 0.9272/0.9272, allocations: 177.1 MB / 204.6 MB, free: 5.605 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6569/0.6569, allocations: 115 MB / 376 MB, free: 7.648 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow") translateModel(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.893e-06/1.893e-06, allocations: 0.7656 kB / 481.5 MB, free: 11.89 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.524e-05/2.713e-05, allocations: 2.312 kB / 481.5 MB, free: 11.89 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow): time 0.05834/0.05837, allocations: 77.08 MB / 0.5455 GB, free: 11.24 MB / 474.7 MB Notification: Performance of NFInst.instExpressions: time 0.01706/0.07543, allocations: 15.06 MB / 0.5602 GB, free: 12.14 MB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001713/0.07714, allocations: 99.12 kB / 0.5603 GB, free: 12.05 MB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001735/0.07888, allocations: 0.803 MB / 0.5611 GB, free: 11.24 MB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 0.004126/0.08301, allocations: 2.428 MB / 0.5634 GB, free: 8.797 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.003358/0.08636, allocations: 2.126 MB / 0.5655 GB, free: 6.664 MB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 0.003028/0.08939, allocations: 3.887 MB / 0.5693 GB, free: 2.762 MB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001043/0.09043, allocations: 1.076 MB / 0.5704 GB, free: 1.648 MB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003088/0.09352, allocations: 2.479 MB / 0.5728 GB, free: 15.16 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009377/0.09446, allocations: 0.9774 MB / 0.5737 GB, free: 14.18 MB / 0.4948 GB Notification: Performance of NFPackage.collectConstants: time 0.0001378/0.0946, allocations: 148 kB / 0.5739 GB, free: 14.04 MB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002024/0.09662, allocations: 1.383 MB / 0.5752 GB, free: 12.65 MB / 0.4948 GB Notification: Performance of NFScalarize.scalarize: time 0.0002428/0.09686, allocations: 382.3 kB / 0.5756 GB, free: 12.27 MB / 0.4948 GB Notification: Performance of NFVerifyModel.verify: time 0.0004938/0.09736, allocations: 0.6 MB / 0.5762 GB, free: 11.67 MB / 0.4948 GB Notification: Performance of NFConvertDAE.convert: time 0.002176/0.09953, allocations: 2.091 MB / 0.5782 GB, free: 9.574 MB / 0.4948 GB Notification: Performance of FrontEnd - DAE generated: time 3.908e-06/0.09954, allocations: 0 / 0.5782 GB, free: 9.574 MB / 0.4948 GB Notification: Performance of FrontEnd: time 1.443e-06/0.09954, allocations: 0 / 0.5782 GB, free: 9.574 MB / 0.4948 GB Notification: Performance of Transformations before backend: time 1.305e-05/0.09955, allocations: 0 / 0.5782 GB, free: 9.574 MB / 0.4948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 242 * Number of variables: 242 Notification: Performance of Generate backend data structure: time 0.00246/0.102, allocations: 2.154 MB / 0.5803 GB, free: 7.371 MB / 0.4948 GB Notification: Performance of prepare preOptimizeDAE: time 3.964e-05/0.1021, allocations: 8.031 kB / 0.5803 GB, free: 7.363 MB / 0.4948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001156/0.1032, allocations: 0.5062 MB / 0.5808 GB, free: 6.855 MB / 0.4948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001749/0.105, allocations: 1.406 MB / 0.5822 GB, free: 5.398 MB / 0.4948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.285e-05/0.105, allocations: 86 kB / 0.5823 GB, free: 5.316 MB / 0.4948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000101/0.1051, allocations: 104 kB / 0.5824 GB, free: 5.215 MB / 0.4948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001675/0.1068, allocations: 0.9448 MB / 0.5833 GB, free: 4.188 MB / 0.4948 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.562e-05/0.1068, allocations: 0 / 0.5833 GB, free: 4.188 MB / 0.4948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001001/0.1069, allocations: 39.94 kB / 0.5833 GB, free: 4.148 MB / 0.4948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.734e-05/0.1069, allocations: 24 kB / 0.5834 GB, free: 4.125 MB / 0.4948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001135/0.1081, allocations: 459.4 kB / 0.5838 GB, free: 3.68 MB / 0.4948 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 0.004554/0.1126, allocations: 4.775 MB / 0.5885 GB, free: 14.79 MB / 0.5105 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008342/0.1135, allocations: 470.2 kB / 0.5889 GB, free: 14.32 MB / 0.5105 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002541/0.1137, allocations: 181.6 kB / 0.5891 GB, free: 14.14 MB / 0.5105 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003997/0.1141, allocations: 172.4 kB / 0.5893 GB, free: 13.97 MB / 0.5105 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.272e-05/0.1141, allocations: 46.05 kB / 0.5893 GB, free: 13.91 MB / 0.5105 GB Notification: Performance of pre-optimization done (n=65): time 2.725e-06/0.1142, allocations: 4 kB / 0.5893 GB, free: 13.91 MB / 0.5105 GB Notification: Performance of matching and sorting (n=65): time 0.002637/0.1168, allocations: 1.199 MB / 0.5905 GB, free: 12.7 MB / 0.5105 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.949e-05/0.1168, allocations: 60.06 kB / 0.5905 GB, free: 12.63 MB / 0.5105 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008506/0.1177, allocations: 1.014 MB / 0.5915 GB, free: 11.61 MB / 0.5105 GB Notification: Performance of collectPreVariables (initialization): time 4.804e-05/0.1177, allocations: 41.7 kB / 0.5916 GB, free: 11.57 MB / 0.5105 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003832/0.1181, allocations: 0.7126 MB / 0.5923 GB, free: 10.85 MB / 0.5105 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001342/0.1182, allocations: 234 kB / 0.5925 GB, free: 10.62 MB / 0.5105 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003433/0.1186, allocations: 200.2 kB / 0.5927 GB, free: 10.41 MB / 0.5105 GB Notification: Performance of setup shared object (initialization): time 0.0001199/0.1187, allocations: 0.5082 MB / 0.5932 GB, free: 9.898 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002527/0.1189, allocations: 159.5 kB / 0.5933 GB, free: 9.738 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005539/0.1195, allocations: 0.972 MB / 0.5943 GB, free: 8.477 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006876/0.1202, allocations: 0.6999 MB / 0.595 GB, free: 7.621 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.869e-06/0.1202, allocations: 4 kB / 0.595 GB, free: 7.617 MB / 0.5105 GB Notification: Performance of matching and sorting (n=105) (initialization): time 0.001039/0.1212, allocations: 0.8167 MB / 0.5958 GB, free: 6.789 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 1.719e-05/0.1213, allocations: 8 kB / 0.5958 GB, free: 6.781 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.538e-06/0.1213, allocations: 8 kB / 0.5958 GB, free: 6.773 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000498/0.1218, allocations: 194.2 kB / 0.596 GB, free: 6.582 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003769/0.1221, allocations: 183.7 kB / 0.5961 GB, free: 6.402 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005243/0.1227, allocations: 0.9599 MB / 0.5971 GB, free: 5.41 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004256/0.1231, allocations: 111.4 kB / 0.5972 GB, free: 5.301 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.253e-05/0.1231, allocations: 51.97 kB / 0.5972 GB, free: 5.25 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000391/0.1235, allocations: 296.8 kB / 0.5975 GB, free: 4.957 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000562/0.1241, allocations: 0.972 MB / 0.5985 GB, free: 3.699 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008202/0.1249, allocations: 0.696 MB / 0.5991 GB, free: 2.84 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.747e-06/0.1249, allocations: 4 kB / 0.5991 GB, free: 2.836 MB / 0.5105 GB Notification: Performance of matching and sorting (n=105) (initialization_lambda0): time 0.001015/0.1259, allocations: 0.82 MB / 0.5999 GB, free: 2.004 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 1.117e-05/0.126, allocations: 8 kB / 0.5999 GB, free: 1.996 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.723e-06/0.126, allocations: 8 kB / 0.6 GB, free: 1.988 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003346/0.1263, allocations: 172.1 kB / 0.6001 GB, free: 1.816 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003575/0.1267, allocations: 191.7 kB / 0.6003 GB, free: 1.629 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004846/0.1271, allocations: 0.9538 MB / 0.6012 GB, free: 0.6445 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004034/0.1275, allocations: 107.5 kB / 0.6013 GB, free: 0.5391 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.221e-05/0.1276, allocations: 43.98 kB / 0.6014 GB, free: 0.4961 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * 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 (91): * Single equations (assignments): 90 * 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 {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0001637/0.1278, allocations: 327.8 kB / 0.6017 GB, free: 172 kB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001574/0.1279, allocations: 155.1 kB / 0.6018 GB, free: 16 kB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001218/0.1291, allocations: 0.9398 MB / 0.6028 GB, free: 15.08 MB / 0.5261 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.371e-05/0.1291, allocations: 11.98 kB / 0.6028 GB, free: 15.07 MB / 0.5261 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.517e-06/0.1291, allocations: 0 / 0.6028 GB, free: 15.07 MB / 0.5261 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.144e-06/0.1292, allocations: 3.984 kB / 0.6028 GB, free: 15.07 MB / 0.5261 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002348/0.1315, allocations: 1.91 MB / 0.6046 GB, free: 13.09 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.07e-06/0.1315, allocations: 4 kB / 0.6046 GB, free: 13.09 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002499/0.1318, allocations: 112 kB / 0.6047 GB, free: 12.98 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003076/0.1321, allocations: 175.5 kB / 0.6049 GB, free: 12.8 MB / 0.5261 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.728e-05/0.1321, allocations: 23.92 kB / 0.6049 GB, free: 12.78 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004855/0.1326, allocations: 0.9544 MB / 0.6059 GB, free: 11.79 MB / 0.5261 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.254e-06/0.1326, allocations: 8.031 kB / 0.6059 GB, free: 11.79 MB / 0.5261 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001362/0.134, allocations: 1.017 MB / 0.6069 GB, free: 10.72 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002789/0.1342, allocations: 258.7 kB / 0.6071 GB, free: 10.47 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.596e-05/0.1343, allocations: 12 kB / 0.6071 GB, free: 10.46 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000335/0.1347, allocations: 55.89 kB / 0.6072 GB, free: 10.4 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.654e-05/0.1347, allocations: 52.56 kB / 0.6072 GB, free: 10.35 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.475e-05/0.1348, allocations: 31.97 kB / 0.6073 GB, free: 10.32 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.0005277/0.1353, allocations: 0.6339 MB / 0.6079 GB, free: 9.684 MB / 0.5261 GB Notification: Performance of sort global known variables: time 8e-08/0.1353, allocations: 0 / 0.6079 GB, free: 9.684 MB / 0.5261 GB Notification: Performance of remove unused functions: time 0.001321/0.1366, allocations: 0.7715 MB / 0.6086 GB, free: 8.91 MB / 0.5261 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * 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 (62): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 11 * 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 {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006109/0.1372, allocations: 475.1 kB / 0.6091 GB, free: 8.438 MB / 0.5261 GB Notification: Performance of simCode: created initialization part: time 0.001264/0.1385, allocations: 0.8948 MB / 0.61 GB, free: 7.543 MB / 0.5261 GB Notification: Performance of simCode: created event and clocks part: time 2.424e-06/0.1385, allocations: 0 / 0.61 GB, free: 7.543 MB / 0.5261 GB Notification: Performance of simCode: created simulation system equations: time 0.0004012/0.1389, allocations: 309.2 kB / 0.6103 GB, free: 7.234 MB / 0.5261 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001315/0.1402, allocations: 0.5645 MB / 0.6108 GB, free: 6.688 MB / 0.5261 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002734/0.1429, allocations: 2.103 MB / 0.6129 GB, free: 4.516 MB / 0.5261 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004037/0.1434, allocations: 251.4 kB / 0.6131 GB, free: 4.246 MB / 0.5261 GB Notification: Performance of simCode: alias equations: time 0.000632/0.144, allocations: 308.8 kB / 0.6134 GB, free: 3.965 MB / 0.5261 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001798/0.1442, allocations: 108.5 kB / 0.6135 GB, free: 3.859 MB / 0.5261 GB Notification: Performance of SimCode: time 8.42e-07/0.1442, allocations: 0 / 0.6135 GB, free: 3.859 MB / 0.5261 GB Notification: Performance of Templates: time 0.03544/0.1796, allocations: 28.53 MB / 0.6414 GB, free: 7.965 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.sim & ./IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.619457700988278]