Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo): time 0.803/0.803, allocations: 111.6 MB / 131 MB, free: 5.082 MB / 122.7 MB " [Timeout remaining time 179] Using package ThermoSysPro with version 4.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo) Running command: translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger") translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.493e-06/1.493e-06, allocations: 0 / 175.7 MB, free: 9.473 MB / 170.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.467e-05/2.616e-05, allocations: 4.703 kB / 175.7 MB, free: 9.469 MB / 170.7 MB Notification: Automatically loaded package Complex 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package ModelicaServices 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package Modelica 4.1.0 due to usage. Notification: Performance of NFInst.instantiate(ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger): time 1.693/1.693, allocations: 256.7 MB / 432.5 MB, free: 14.44 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.442/2.135, allocations: 182.4 MB / 0.6005 GB, free: 6.254 MB / 0.5105 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005539/2.136, allocations: 23.81 kB / 0.6005 GB, free: 6.23 MB / 0.5105 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/HeatExchangers/StaticPlateHeatExchanger.mo:71:3-72:80:writable] Warning: Connector Ec is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/HeatExchangers/StaticPlateHeatExchanger.mo:73:3-74:80:writable] Warning: Connector Ef is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/HeatExchangers/StaticPlateHeatExchanger.mo:75:3-76:78:writable] Warning: Connector Sf is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/HeatExchangers/StaticPlateHeatExchanger.mo:77:3-78:77:writable] Warning: Connector Sc is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SourceP.mo:39:3-40:78:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SinkP.mo:32:3-33:80:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.0005153/2.136, allocations: 176.5 kB / 0.6007 GB, free: 6.059 MB / 0.5105 GB Notification: Performance of NFTyping.typeBindings: time 0.0008526/2.137, allocations: 395.1 kB / 0.6011 GB, free: 5.672 MB / 0.5105 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:470:9-470:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:525:9-525:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:708:9-708:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du1satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du2satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.03327/2.171, allocations: 11.88 MB / 0.6127 GB, free: 9.871 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.001999/2.173, allocations: 1.19 MB / 0.6139 GB, free: 8.676 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005626/2.173, allocations: 409.5 kB / 0.6142 GB, free: 8.262 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009085/2.174, allocations: 0.7014 MB / 0.6149 GB, free: 7.559 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004849/2.175, allocations: 331 kB / 0.6152 GB, free: 7.234 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 0.0001222/2.175, allocations: 76 kB / 0.6153 GB, free: 7.16 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03705/2.212, allocations: 18.26 MB / 0.6331 GB, free: 4.875 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.0003562/2.212, allocations: 223.1 kB / 0.6334 GB, free: 4.656 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.0006135/2.213, allocations: 339.2 kB / 0.6337 GB, free: 4.324 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.02749/2.24, allocations: 12.85 MB / 0.6462 GB, free: 7.441 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.659e-06/2.24, allocations: 0 / 0.6462 GB, free: 7.441 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.483e-06/2.24, allocations: 0 / 0.6462 GB, free: 7.441 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 1.159e-05/2.24, allocations: 0 / 0.6462 GB, free: 7.441 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 250 * Number of variables: 250 Notification: Performance of Generate backend data structure: time 0.005745/2.246, allocations: 2.48 MB / 0.6487 GB, free: 4.914 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 4.183e-05/2.246, allocations: 11.98 kB / 0.6487 GB, free: 4.902 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003696/2.246, allocations: 187.2 kB / 0.6488 GB, free: 4.719 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001012/2.247, allocations: 471.7 kB / 0.6493 GB, free: 4.23 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002671/2.248, allocations: 224.2 kB / 0.6495 GB, free: 3.973 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001086/2.248, allocations: 72 kB / 0.6496 GB, free: 3.902 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00161/2.249, allocations: 0.8968 MB / 0.6505 GB, free: 2.953 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.37e-05/2.249, allocations: 7.875 kB / 0.6505 GB, free: 2.945 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.149e-05/2.249, allocations: 36 kB / 0.6505 GB, free: 2.91 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.141e-05/2.249, allocations: 35.97 kB / 0.6505 GB, free: 2.875 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001279/2.251, allocations: 0.564 MB / 0.6511 GB, free: 2.309 MB / 0.5573 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 0.0172/2.268, allocations: 7.303 MB / 0.6582 GB, free: 10.92 MB / 0.573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001042/2.269, allocations: 384.6 kB / 0.6586 GB, free: 10.53 MB / 0.573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004586/2.269, allocations: 205.6 kB / 0.6588 GB, free: 10.33 MB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.09274/2.362, allocations: 24.97 MB / 0.6832 GB, free: 1.328 MB / 0.5886 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.57e-05/2.362, allocations: 41.39 kB / 0.6832 GB, free: 1.277 MB / 0.5886 GB Notification: Performance of pre-optimization done (n=88): time 2.265e-06/2.362, allocations: 0 / 0.6832 GB, free: 1.277 MB / 0.5886 GB Notification: Performance of matching and sorting (n=88): time 0.01626/2.378, allocations: 2.653 MB / 0.6858 GB, free: 14.61 MB / 0.6042 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.416e-05/2.379, allocations: 59.67 kB / 0.6859 GB, free: 14.54 MB / 0.6042 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008959/2.379, allocations: 0.6428 MB / 0.6865 GB, free: 13.88 MB / 0.6042 GB Notification: Performance of collectPreVariables (initialization): time 4.975e-05/2.379, allocations: 33.7 kB / 0.6865 GB, free: 13.84 MB / 0.6042 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003996/2.38, allocations: 463.5 kB / 0.687 GB, free: 13.38 MB / 0.6042 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003303/2.38, allocations: 321.3 kB / 0.6873 GB, free: 13.06 MB / 0.6042 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000315/2.381, allocations: 207.8 kB / 0.6875 GB, free: 12.85 MB / 0.6042 GB Notification: Performance of setup shared object (initialization): time 0.0003539/2.381, allocations: 0.5626 MB / 0.688 GB, free: 12.27 MB / 0.6042 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005229/2.381, allocations: 213.6 kB / 0.6882 GB, free: 12.07 MB / 0.6042 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008015/2.382, allocations: 0.4928 MB / 0.6887 GB, free: 11.47 MB / 0.6042 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001435/2.384, allocations: 0.8043 MB / 0.6895 GB, free: 10.56 MB / 0.6042 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.368e-06/2.384, allocations: 0 / 0.6895 GB, free: 10.56 MB / 0.6042 GB Notification: Performance of matching and sorting (n=122) (initialization): time 0.002815/2.386, allocations: 1.055 MB / 0.6905 GB, free: 9.5 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 2.11e-05/2.386, allocations: 12.06 kB / 0.6905 GB, free: 9.488 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.495e-05/2.387, allocations: 8 kB / 0.6905 GB, free: 9.48 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003248/2.39, allocations: 0.9316 MB / 0.6914 GB, free: 8.543 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002421/2.39, allocations: 63.91 kB / 0.6915 GB, free: 8.48 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002727/2.393, allocations: 1.677 MB / 0.6931 GB, free: 6.777 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004798/2.393, allocations: 83.34 kB / 0.6932 GB, free: 6.695 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.176e-05/2.393, allocations: 28 kB / 0.6932 GB, free: 6.668 MB / 0.6042 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 25 * Number of states: 0 () * Number of discrete variables: 8 (sourceP3.C.ftype,sourceP2.C.ftype,plateHeatExchanger.fluid_c,plateHeatExchanger.fluid_f,puitsP2.fluid,puitsP3.fluid,sourceP3.fluid1,sourceP2.fluid1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (38): * Single equations (assignments): 37 * 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 {(4,27)} Notification: Performance of prepare postOptimizeDAE: time 0.000375/2.394, allocations: 256.3 kB / 0.6935 GB, free: 6.406 MB / 0.6042 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001461/2.394, allocations: 80.47 kB / 0.6936 GB, free: 6.328 MB / 0.6042 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002637/2.396, allocations: 1.385 MB / 0.6949 GB, free: 4.922 MB / 0.6042 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.00196/2.398, allocations: 0.9811 MB / 0.6959 GB, free: 3.926 MB / 0.6042 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.021e-06/2.398, allocations: 0 / 0.6959 GB, free: 3.926 MB / 0.6042 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.085e-05/2.398, allocations: 7.984 kB / 0.6959 GB, free: 3.918 MB / 0.6042 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007595/2.406, allocations: 2.777 MB / 0.6986 GB, free: 1.086 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.145e-06/2.406, allocations: 3.984 kB / 0.6986 GB, free: 1.082 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002818/2.406, allocations: 91.84 kB / 0.6987 GB, free: 0.9922 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002273/2.409, allocations: 0.6886 MB / 0.6994 GB, free: 308 kB / 0.6042 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.985e-05/2.409, allocations: 23.98 kB / 0.6994 GB, free: 284 kB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002322/2.411, allocations: 1.553 MB / 0.7009 GB, free: 14.7 MB / 0.6198 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.423e-06/2.411, allocations: 0 / 0.7009 GB, free: 14.7 MB / 0.6198 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004837/2.416, allocations: 1.444 MB / 0.7023 GB, free: 13.23 MB / 0.6198 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003953/2.416, allocations: 172.9 kB / 0.7025 GB, free: 13.05 MB / 0.6198 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.294e-05/2.416, allocations: 20 kB / 0.7025 GB, free: 13.04 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003383/2.417, allocations: 23.98 kB / 0.7025 GB, free: 13.01 MB / 0.6198 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001318/2.417, allocations: 60.88 kB / 0.7026 GB, free: 12.95 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.802e-05/2.417, allocations: 24.62 kB / 0.7026 GB, free: 12.93 MB / 0.6198 GB Notification: Performance of sorting global known variables: time 0.0005062/2.417, allocations: 378.8 kB / 0.703 GB, free: 12.56 MB / 0.6198 GB Notification: Performance of sort global known variables: time 1e-07/2.417, allocations: 0 / 0.703 GB, free: 12.56 MB / 0.6198 GB Notification: Performance of remove unused functions: time 0.004216/2.422, allocations: 1.621 MB / 0.7045 GB, free: 10.93 MB / 0.6198 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 (62): * Single equations (assignments): 61 * 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 {(4,27)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00736/2.429, allocations: 2.451 MB / 0.7069 GB, free: 8.473 MB / 0.6198 GB Notification: Performance of simCode: created initialization part: time 0.002347/2.431, allocations: 1.005 MB / 0.7079 GB, free: 7.426 MB / 0.6198 GB Notification: Performance of simCode: created event and clocks part: time 3.046e-06/2.431, allocations: 192 / 0.7079 GB, free: 7.426 MB / 0.6198 GB Notification: Performance of simCode: created simulation system equations: time 0.001052/2.432, allocations: 462.1 kB / 0.7084 GB, free: 6.977 MB / 0.6198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002236/2.435, allocations: 410.5 kB / 0.7087 GB, free: 6.586 MB / 0.6198 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003431/2.438, allocations: 1.798 MB / 0.7105 GB, free: 4.75 MB / 0.6198 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005985/2.439, allocations: 494.8 kB / 0.711 GB, free: 4.234 MB / 0.6198 GB Notification: Performance of simCode: alias equations: time 0.0003957/2.439, allocations: 96.84 kB / 0.7111 GB, free: 4.137 MB / 0.6198 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001089/2.439, allocations: 52.5 kB / 0.7111 GB, free: 4.086 MB / 0.6198 GB Notification: Performance of SimCode: time 1.723e-06/2.439, allocations: 0 / 0.7111 GB, free: 4.086 MB / 0.6198 GB Notification: Performance of Templates: time 0.2078/2.647, allocations: 60.12 MB / 0.7698 GB, free: 244.3 MB / 0.6198 GB " [Timeout remaining time 657] make -j1 -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.makefile [Timeout 660] (rm -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.pipe ; mkfifo ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.pipe ; head -c 1048576 < ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.pipe >> ../files/ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.sim & ./ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestStaticPlateHeatExchanger.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 9.455151424976066]