Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.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 0.002388/0.002388, allocations: 85.48 kB / 19.44 MB, free: 344 kB / 13.93 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 1.567/1.567, allocations: 177.1 MB / 199.7 MB, free: 5.812 MB / 186.7 MB " [Timeout remaining time 178] 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 0.002109/0.002109, allocations: 176.5 kB / 256.3 MB, free: 13.16 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/package.mo): time 0.5338/0.5338, allocations: 80.36 MB / 393.1 MB, free: 2.168 MB / 314.7 MB " [Timeout remaining time 179] Using package OpenIPSL with version 3.2.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL master/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad") translateModel(OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.683e-06/1.683e-06, allocations: 224 / 489.2 MB, free: 11.87 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.02e-05/3.188e-05, allocations: 4.656 kB / 489.2 MB, free: 11.86 MB / 410.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad): time 0.008274/0.008306, allocations: 5.63 MB / 494.9 MB, free: 6.219 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.004662/0.01297, allocations: 1.938 MB / 496.8 MB, free: 4.289 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006635/0.01363, allocations: 16.5 kB / 496.8 MB, free: 4.273 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0006429/0.01427, allocations: 207.1 kB / 497 MB, free: 4.07 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002133/0.01641, allocations: 0.7242 MB / 497.8 MB, free: 3.348 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001588/0.018, allocations: 0.6497 MB / 498.4 MB, free: 2.707 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.00182/0.01982, allocations: 1.332 MB / 499.7 MB, free: 1.371 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0004667/0.02028, allocations: 218.8 kB / 499.9 MB, free: 1.141 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001256/0.02154, allocations: 0.7622 MB / 0.489 GB, free: 388 kB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008675/0.02241, allocations: 0.5412 MB / 0.4895 GB, free: 15.84 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001943/0.0226, allocations: 104 kB / 0.4896 GB, free: 15.73 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0005911/0.02319, allocations: 247.8 kB / 0.4898 GB, free: 15.49 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0003207/0.02351, allocations: 286.7 kB / 0.4901 GB, free: 15.21 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004794/0.02399, allocations: 391.8 kB / 0.4905 GB, free: 14.83 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002065/0.02606, allocations: 1.534 MB / 0.492 GB, free: 13.29 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.819e-06/0.02606, allocations: 0 / 0.492 GB, free: 13.29 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.694e-06/0.02606, allocations: 1.938 kB / 0.492 GB, free: 13.29 MB / 426.7 MB Notification: Performance of Transformations before backend: time 1.671e-05/0.02608, allocations: 0 / 0.492 GB, free: 13.29 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 184 * Number of variables: 184 Notification: Performance of Generate backend data structure: time 0.007976/0.03406, allocations: 2.494 MB / 0.4944 GB, free: 10.78 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.867e-05/0.03409, allocations: 8.562 kB / 0.4944 GB, free: 10.77 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004804/0.0389, allocations: 0.815 MB / 0.4952 GB, free: 9.965 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001423/0.04032, allocations: 0.746 MB / 0.496 GB, free: 9.176 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003004/0.04062, allocations: 236.2 kB / 0.4962 GB, free: 8.91 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000174/0.04079, allocations: 76 kB / 0.4963 GB, free: 8.836 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002444/0.04324, allocations: 1.093 MB / 0.4973 GB, free: 7.711 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.169e-05/0.04326, allocations: 0 / 0.4973 GB, free: 7.711 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001076/0.04337, allocations: 35.98 kB / 0.4974 GB, free: 7.676 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.656e-05/0.04339, allocations: 16 kB / 0.4974 GB, free: 7.66 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002378/0.04577, allocations: 0.9057 MB / 0.4983 GB, free: 6.754 MB / 426.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00628/0.05205, allocations: 2.909 MB / 0.5011 GB, free: 3.793 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002177/0.05423, allocations: 0.8066 MB / 0.5019 GB, free: 2.973 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001444/0.05567, allocations: 0.5809 MB / 0.5025 GB, free: 2.387 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001308/0.0558, allocations: 21 kB / 0.5025 GB, free: 2.363 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.298e-05/0.05585, allocations: 42.39 kB / 0.5025 GB, free: 2.312 MB / 426.7 MB Notification: Performance of pre-optimization done (n=88): time 3.276e-06/0.05585, allocations: 0 / 0.5025 GB, free: 2.312 MB / 426.7 MB Notification: Performance of matching and sorting (n=88): time 0.02162/0.07747, allocations: 4.828 MB / 0.5072 GB, free: 13.47 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.527e-05/0.07756, allocations: 90.11 kB / 0.5073 GB, free: 13.36 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001607/0.07917, allocations: 1.055 MB / 0.5083 GB, free: 12.28 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001606/0.07933, allocations: 41.7 kB / 0.5084 GB, free: 12.23 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0006421/0.07997, allocations: 0.5662 MB / 0.5089 GB, free: 11.66 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004507/0.08042, allocations: 345.2 kB / 0.5093 GB, free: 11.32 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005017/0.08092, allocations: 228.5 kB / 0.5095 GB, free: 11.09 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 0.0003214/0.08124, allocations: 0.5433 MB / 0.51 GB, free: 10.54 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001571/0.08281, allocations: 0.5905 MB / 0.5106 GB, free: 9.941 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001758/0.08457, allocations: 0.8044 MB / 0.5114 GB, free: 9.086 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003265/0.08784, allocations: 1.399 MB / 0.5127 GB, free: 7.641 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.092e-06/0.08784, allocations: 0 / 0.5127 GB, free: 7.641 MB / 442.7 MB Notification: Performance of matching and sorting (n=136) (initialization): time 0.01204/0.09988, allocations: 3.287 MB / 0.516 GB, free: 4.336 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.309e-05/0.0999, allocations: 4 kB / 0.516 GB, free: 4.332 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.429e-05/0.09992, allocations: 7.984 kB / 0.516 GB, free: 4.324 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01051/0.1104, allocations: 1.929 MB / 0.5178 GB, free: 2.391 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001111/0.1115, allocations: 195.7 kB / 0.518 GB, free: 2.199 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02052/0.1321, allocations: 7.993 MB / 0.5258 GB, free: 10.08 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001511/0.1336, allocations: 135.3 kB / 0.526 GB, free: 9.945 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001589/0.1337, allocations: 39.98 kB / 0.526 GB, free: 9.906 MB / 458.7 MB Warning: Assuming fixed start value for the following 1 variables: order3_Inputs_Outputs1.w:VARIABLE(flow=false start = 1.0 fixed = true ) \"Rotor speed [pu]\" type: Real Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002043/0.1358, allocations: 0.7966 MB / 0.5268 GB, free: 9.109 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001683/0.1375, allocations: 0.7966 MB / 0.5276 GB, free: 8.258 MB / 458.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003069/0.1405, allocations: 1.391 MB / 0.5289 GB, free: 6.82 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.637e-06/0.1405, allocations: 0 / 0.5289 GB, free: 6.82 MB / 458.7 MB Notification: Performance of matching and sorting (n=136) (initialization_lambda0): time 0.0118/0.1523, allocations: 3.267 MB / 0.5321 GB, free: 3.543 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.254e-05/0.1524, allocations: 8 kB / 0.5321 GB, free: 3.535 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.186e-05/0.1524, allocations: 3.984 kB / 0.5321 GB, free: 3.531 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009971/0.1623, allocations: 1.932 MB / 0.534 GB, free: 1.594 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001054/0.1634, allocations: 187.7 kB / 0.5342 GB, free: 1.41 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0199/0.1833, allocations: 7.985 MB / 0.542 GB, free: 9.301 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001388/0.1847, allocations: 143.3 kB / 0.5421 GB, free: 9.16 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001145/0.1848, allocations: 35.98 kB / 0.5422 GB, free: 9.125 MB / 474.7 MB Warning: Assuming fixed start value for the following 1 variables: order3_Inputs_Outputs1.w:VARIABLE(flow=false start = 1.0 fixed = true ) \"Rotor speed [pu]\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 1 (thLoad.Limiter.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (103): * Single equations (assignments): 102 * 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 {(19,15)} Notification: Performance of prepare postOptimizeDAE: time 0.0004069/0.1852, allocations: 315.9 kB / 0.5425 GB, free: 8.809 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003169/0.1855, allocations: 143.2 kB / 0.5426 GB, free: 8.668 MB / 474.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01122/0.1967, allocations: 3.021 MB / 0.5455 GB, free: 5.625 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.63e-05/0.1968, allocations: 12 kB / 0.5456 GB, free: 5.613 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.815e-06/0.1968, allocations: 0 / 0.5456 GB, free: 5.613 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.769e-05/0.1968, allocations: 3.984 kB / 0.5456 GB, free: 5.609 MB / 474.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01312/0.2099, allocations: 4.006 MB / 0.5495 GB, free: 1.555 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.089e-05/0.2099, allocations: 0 / 0.5495 GB, free: 1.555 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007731/0.2107, allocations: 115.9 kB / 0.5496 GB, free: 1.441 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.009928/0.2206, allocations: 1.865 MB / 0.5514 GB, free: 15.57 MB / 490.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002132/0.2208, allocations: 27.92 kB / 0.5514 GB, free: 15.54 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0178/0.2386, allocations: 6.916 MB / 0.5582 GB, free: 8.496 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.853e-06/0.2386, allocations: 0 / 0.5582 GB, free: 8.496 MB / 490.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01316/0.2518, allocations: 3.844 MB / 0.5619 GB, free: 4.625 MB / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004282/0.2522, allocations: 123 kB / 0.5621 GB, free: 4.504 MB / 490.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001769/0.2524, allocations: 16 kB / 0.5621 GB, free: 4.488 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009323/0.2533, allocations: 71.94 kB / 0.5621 GB, free: 4.418 MB / 490.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000632/0.254, allocations: 204.5 kB / 0.5623 GB, free: 4.219 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.504e-05/0.254, allocations: 24 kB / 0.5624 GB, free: 4.195 MB / 490.7 MB Notification: Performance of sorting global known variables: time 0.001005/0.255, allocations: 0.6575 MB / 0.563 GB, free: 3.527 MB / 490.7 MB Notification: Performance of sort global known variables: time 1.1e-07/0.255, allocations: 4 kB / 0.563 GB, free: 3.523 MB / 490.7 MB Notification: Performance of remove unused functions: time 0.001939/0.257, allocations: 0.6437 MB / 0.5636 GB, free: 2.879 MB / 490.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (order3_Inputs_Outputs1.delta,order3_Inputs_Outputs1.w,order3_Inputs_Outputs1.e1q,thLoad.firstOrder.state,thLoad.Limiter.y) * 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 (58): * Single equations (assignments): 57 * 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 {(20,13)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003085/0.2573, allocations: 127.2 kB / 0.5638 GB, free: 2.746 MB / 490.7 MB Notification: Performance of simCode: created initialization part: time 0.01116/0.2685, allocations: 3.535 MB / 0.5672 GB, free: 15.17 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 4.167e-06/0.2685, allocations: 0 / 0.5672 GB, free: 15.17 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.004362/0.2728, allocations: 1.325 MB / 0.5685 GB, free: 13.83 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009382/0.2738, allocations: 120.3 kB / 0.5686 GB, free: 13.71 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004412/0.2782, allocations: 1.977 MB / 0.5705 GB, free: 11.7 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006345/0.2788, allocations: 0.4979 MB / 0.571 GB, free: 11.16 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 0.0005727/0.2794, allocations: 122.4 kB / 0.5711 GB, free: 11.04 MB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002537/0.2796, allocations: 68.48 kB / 0.5712 GB, free: 10.97 MB / 0.4948 GB Notification: Performance of SimCode: time 1.243e-06/0.2796, allocations: 0 / 0.5712 GB, free: 10.97 MB / 0.4948 GB Notification: Performance of Templates: time 0.21/0.4896, allocations: 30.72 MB / 0.6012 GB, free: 166.3 MB / 0.5105 GB " [Timeout remaining time 660] make -j1 -f OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.makefile [Timeout 660] (rm -f OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.sim & ./OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenIPSL_dev_OpenIPSL.Tests.Loads.PSAT.LoadTestThLoad.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 6.826265500974841]