Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.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 0.0009356/0.0009356, allocations: 85.27 kB / 19.87 MB, free: 4.613 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 0.0009365/0.0009365, allocations: 165.4 kB / 23.27 MB, free: 1.219 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 0.8949/0.8949, allocations: 177.1 MB / 203.7 MB, free: 5.527 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.309/2.309, allocations: 438.1 MB / 0.682 GB, free: 14.17 MB / 0.6511 GB " [Timeout remaining time 177] Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.PEle|eff.dp_in|eff.V_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|eff.PEle|eff.dp_in|eff.V_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.154e-06/2.154e-06, allocations: 0 / 0.8897 GB, free: 9.77 MB / 0.8542 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.996e-05/2.211e-05, allocations: 2.312 kB / 0.8898 GB, free: 9.766 MB / 0.8542 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow): time 0.002992/0.003014, allocations: 2.382 MB / 0.8921 GB, free: 7.371 MB / 0.8542 GB Notification: Performance of NFInst.instExpressions: time 0.004497/0.007511, allocations: 3.717 MB / 0.8957 GB, free: 3.637 MB / 0.8542 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001634/0.007674, allocations: 7.938 kB / 0.8957 GB, free: 3.629 MB / 0.8542 GB Notification: Performance of NFTyping.typeComponents: time 0.001941/0.009615, allocations: 1.083 MB / 0.8968 GB, free: 2.543 MB / 0.8542 GB Notification: Performance of NFTyping.typeBindings: time 0.0005346/0.01015, allocations: 465.9 kB / 0.8972 GB, free: 2.086 MB / 0.8542 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005941/0.01074, allocations: 0.5222 MB / 0.8977 GB, free: 1.562 MB / 0.8542 GB Notification: Performance of NFFlatten.flatten: time 0.003401/0.01414, allocations: 3.818 MB / 0.9015 GB, free: 13.74 MB / 0.8698 GB Notification: Performance of NFFlatten.resolveConnections: time 9.176e-05/0.01424, allocations: 28.91 kB / 0.9015 GB, free: 13.71 MB / 0.8698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002898/0.01453, allocations: 299.3 kB / 0.9018 GB, free: 13.41 MB / 0.8698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001772/0.0147, allocations: 203.4 kB / 0.902 GB, free: 13.21 MB / 0.8698 GB Notification: Performance of NFPackage.collectConstants: time 2.962e-05/0.01473, allocations: 20 kB / 0.902 GB, free: 13.2 MB / 0.8698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003578/0.01509, allocations: 343.4 kB / 0.9023 GB, free: 12.86 MB / 0.8698 GB Notification: Performance of NFScalarize.scalarize: time 0.0001515/0.01524, allocations: 223.4 kB / 0.9025 GB, free: 12.64 MB / 0.8698 GB Notification: Performance of NFVerifyModel.verify: time 9.956e-05/0.01534, allocations: 151.6 kB / 0.9027 GB, free: 12.49 MB / 0.8698 GB Notification: Performance of NFConvertDAE.convert: time 0.0005304/0.01587, allocations: 0.6423 MB / 0.9033 GB, free: 11.85 MB / 0.8698 GB Notification: Performance of FrontEnd - DAE generated: time 2.194e-06/0.01587, allocations: 0 / 0.9033 GB, free: 11.85 MB / 0.8698 GB Notification: Performance of FrontEnd: time 2.064e-06/0.01588, allocations: 4 kB / 0.9033 GB, free: 11.84 MB / 0.8698 GB Notification: Performance of Transformations before backend: time 4.378e-06/0.01588, allocations: 0 / 0.9033 GB, free: 11.84 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: 20 * Number of variables: 20 Notification: Performance of Generate backend data structure: time 0.0008818/0.01676, allocations: 0.9764 MB / 0.9042 GB, free: 10.83 MB / 0.8698 GB Notification: Performance of prepare preOptimizeDAE: time 3.907e-05/0.0168, allocations: 12.03 kB / 0.9043 GB, free: 10.82 MB / 0.8698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003666/0.01717, allocations: 136.4 kB / 0.9044 GB, free: 10.68 MB / 0.8698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000804/0.01797, allocations: 0.876 MB / 0.9052 GB, free: 9.777 MB / 0.8698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.566e-05/0.01799, allocations: 12 kB / 0.9053 GB, free: 9.766 MB / 0.8698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.695e-05/0.018, allocations: 16 kB / 0.9053 GB, free: 9.75 MB / 0.8698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001848/0.01819, allocations: 111.1 kB / 0.9054 GB, free: 9.637 MB / 0.8698 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.302e-06/0.0182, allocations: 0 / 0.9054 GB, free: 9.637 MB / 0.8698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.155e-05/0.01821, allocations: 0 / 0.9054 GB, free: 9.637 MB / 0.8698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.109e-06/0.01821, allocations: 4 kB / 0.9054 GB, free: 9.633 MB / 0.8698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 7.472e-05/0.01829, allocations: 51.89 kB / 0.9054 GB, free: 9.582 MB / 0.8698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007484/0.01904, allocations: 0.5271 MB / 0.9059 GB, free: 9.027 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002568/0.01929, allocations: 111.1 kB / 0.9061 GB, free: 8.906 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 3.524e-05/0.01933, allocations: 31.67 kB / 0.9061 GB, free: 8.871 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 2.203e-05/0.01935, allocations: 8 kB / 0.9061 GB, free: 8.863 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.182e-05/0.01937, allocations: 33.39 kB / 0.9061 GB, free: 8.82 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=9): time 1.383e-06/0.01937, allocations: 4 kB / 0.9061 GB, free: 8.816 MB / 0.8698 GB Notification: Performance of matching and sorting (n=9): time 0.000211/0.01958, allocations: 153.3 kB / 0.9063 GB, free: 8.66 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.446e-05/0.01961, allocations: 51.41 kB / 0.9063 GB, free: 8.598 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004395/0.02005, allocations: 0.6866 MB / 0.907 GB, free: 7.895 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 1.817e-05/0.02007, allocations: 29.7 kB / 0.907 GB, free: 7.859 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002001/0.02027, allocations: 375 kB / 0.9074 GB, free: 7.488 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 1.854e-05/0.02028, allocations: 27.75 kB / 0.9074 GB, free: 7.461 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.749e-05/0.02034, allocations: 63.31 kB / 0.9075 GB, free: 7.391 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0001638/0.02051, allocations: 0.5703 MB / 0.908 GB, free: 6.809 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 4.723e-05/0.02055, allocations: 43.61 kB / 0.9081 GB, free: 6.762 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 9.629e-05/0.02065, allocations: 169.8 kB / 0.9082 GB, free: 6.539 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001275/0.02078, allocations: 172.4 kB / 0.9084 GB, free: 6.324 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.804e-06/0.02078, allocations: 0 / 0.9084 GB, free: 6.324 MB / 0.8698 GB Notification: Performance of matching and sorting (n=21) (initialization): time 0.0002151/0.02099, allocations: 224.9 kB / 0.9086 GB, free: 6.098 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 1.19e-05/0.02101, allocations: 4 kB / 0.9086 GB, free: 6.094 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.612e-06/0.02101, allocations: 4 kB / 0.9086 GB, free: 6.09 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.08e-05/0.02102, allocations: 4 kB / 0.9086 GB, free: 6.086 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000212/0.02124, allocations: 64.27 kB / 0.9087 GB, free: 6.023 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003174/0.02155, allocations: 0.9127 MB / 0.9096 GB, free: 5.082 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001205/0.02167, allocations: 28.44 kB / 0.9096 GB, free: 5.055 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.725e-05/0.02169, allocations: 12 kB / 0.9096 GB, free: 5.043 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 9.445e-05/0.02179, allocations: 158.8 kB / 0.9098 GB, free: 4.883 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001125/0.0219, allocations: 168.8 kB / 0.9099 GB, free: 4.664 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001158/0.02201, allocations: 168.4 kB / 0.9101 GB, free: 4.453 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.22e-07/0.02201, allocations: 0 / 0.9101 GB, free: 4.453 MB / 0.8698 GB Notification: Performance of matching and sorting (n=21) (initialization_lambda0): time 0.0001898/0.0222, allocations: 221 kB / 0.9103 GB, free: 4.23 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 5.561e-06/0.02221, allocations: 4 kB / 0.9103 GB, free: 4.227 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.088e-06/0.02221, allocations: 4 kB / 0.9103 GB, free: 4.223 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.617e-06/0.02222, allocations: 4 kB / 0.9103 GB, free: 4.219 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001245/0.02234, allocations: 63.89 kB / 0.9104 GB, free: 4.156 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.435e-06/0.02234, allocations: 0 / 0.9104 GB, free: 4.156 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001108/0.02246, allocations: 36.19 kB / 0.9104 GB, free: 4.121 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.218e-05/0.02247, allocations: 12 kB / 0.9104 GB, free: 4.109 MB / 0.8698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (20): * Single equations (assignments): 18 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 9.067e-05/0.02256, allocations: 280 kB / 0.9107 GB, free: 3.828 MB / 0.8698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.272e-05/0.02261, allocations: 63.61 kB / 0.9107 GB, free: 3.766 MB / 0.8698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000164/0.02277, allocations: 147 kB / 0.9109 GB, free: 3.609 MB / 0.8698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.324e-06/0.02278, allocations: 0 / 0.9109 GB, free: 3.609 MB / 0.8698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.573e-06/0.02278, allocations: 4 kB / 0.9109 GB, free: 3.605 MB / 0.8698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.655e-06/0.02278, allocations: 0 / 0.9109 GB, free: 3.605 MB / 0.8698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002273/0.02301, allocations: 268.9 kB / 0.9111 GB, free: 3.316 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.202e-06/0.02301, allocations: 0 / 0.9111 GB, free: 3.316 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001056/0.02312, allocations: 35.97 kB / 0.9112 GB, free: 3.281 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.104e-06/0.02312, allocations: 0 / 0.9112 GB, free: 3.281 MB / 0.8698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.122e-06/0.02312, allocations: 3.938 kB / 0.9112 GB, free: 3.277 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002402/0.02336, allocations: 0.8972 MB / 0.9121 GB, free: 2.352 MB / 0.8698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.735e-06/0.02337, allocations: 11.98 kB / 0.9121 GB, free: 2.34 MB / 0.8698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001553/0.02352, allocations: 280.1 kB / 0.9123 GB, free: 2.047 MB / 0.8698 GB Notification: Performance of postOpt removeConstants (simulation): time 7.994e-05/0.0236, allocations: 71.59 kB / 0.9124 GB, free: 1.977 MB / 0.8698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.922e-05/0.02363, allocations: 0 / 0.9124 GB, free: 1.977 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.814e-05/0.02373, allocations: 19.98 kB / 0.9124 GB, free: 1.957 MB / 0.8698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.037e-05/0.02376, allocations: 11.92 kB / 0.9124 GB, free: 1.945 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.239e-06/0.02376, allocations: 0 / 0.9124 GB, free: 1.945 MB / 0.8698 GB Notification: Performance of sorting global known variables: time 0.0004014/0.02417, allocations: 402.8 kB / 0.9128 GB, free: 1.559 MB / 0.8698 GB Notification: Performance of sort global known variables: time 6.1e-08/0.02417, allocations: 0 / 0.9128 GB, free: 1.559 MB / 0.8698 GB Notification: Performance of remove unused functions: time 0.0003801/0.02455, allocations: 183.8 kB / 0.913 GB, free: 1.379 MB / 0.8698 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 (10): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002534/0.0248, allocations: 187 kB / 0.9132 GB, free: 1.188 MB / 0.8698 GB Notification: Performance of simCode: created initialization part: time 0.0004068/0.02521, allocations: 209 kB / 0.9134 GB, free: 0.9766 MB / 0.8698 GB Notification: Performance of simCode: created event and clocks part: time 2.475e-06/0.02521, allocations: 0 / 0.9134 GB, free: 0.9766 MB / 0.8698 GB Notification: Performance of simCode: created simulation system equations: time 8.19e-05/0.02529, allocations: 47.66 kB / 0.9134 GB, free: 0.9258 MB / 0.8698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006418/0.02593, allocations: 313.8 kB / 0.9137 GB, free: 0.625 MB / 0.8698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001111/0.02704, allocations: 0.8321 MB / 0.9145 GB, free: 15.76 MB / 0.8855 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001059/0.02715, allocations: 157.7 kB / 0.9147 GB, free: 15.58 MB / 0.8855 GB Notification: Performance of simCode: alias equations: time 0.0002657/0.02741, allocations: 137.2 kB / 0.9148 GB, free: 15.45 MB / 0.8855 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003996/0.02781, allocations: 318 kB / 0.9151 GB, free: 15.13 MB / 0.8855 GB Notification: Performance of SimCode: time 6.51e-07/0.02782, allocations: 0 / 0.9151 GB, free: 15.13 MB / 0.8855 GB Notification: Performance of Templates: time 0.01562/0.04343, allocations: 13.97 MB / 0.9288 GB, free: 1.547 MB / 0.8855 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.sim & ./Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 5.247277247253805]