Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001406/0.001406, allocations: 105 kB / 19.74 MB, free: 2.566 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001551/0.001551, allocations: 217.6 kB / 22.92 MB, free: 5.535 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo): time 1.285/1.285, allocations: 230.5 MB / 256.4 MB, free: 8.426 MB / 206.1 MB " [Timeout remaining time 179] Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.FlipFlop,fileNamePrefix="Modelica_4_1_0-beta_om_Modelica_Electrical_Digital_Examples_FlipFlop",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.FlipFlop,fileNamePrefix="Modelica_4_1_0-beta_om_Modelica_Electrical_Digital_Examples_FlipFlop",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Warning: Requested package Modelica of version trunk, but this package was already loaded with version 4.1.0. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package Complex of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package ModelicaServices of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.00177/0.00177, allocations: 71.88 kB / 376.1 MB, free: 4.07 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2138/0.2156, allocations: 53.31 MB / 429.4 MB, free: 7.422 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Digital.Examples.FlipFlop): time 0.00297/0.2185, allocations: 2.172 MB / 431.6 MB, free: 5.242 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.002161/0.2207, allocations: 1.173 MB / 432.7 MB, free: 4.062 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 8.877e-05/0.2208, allocations: 4 kB / 432.7 MB, free: 4.059 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001673/0.221, allocations: 47.52 kB / 432.8 MB, free: 4.012 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001063/0.2211, allocations: 43.64 kB / 432.8 MB, free: 3.969 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0004318/0.2215, allocations: 171.7 kB / 433 MB, free: 3.801 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004627/0.222, allocations: 459.6 kB / 433.5 MB, free: 3.352 MB / 334.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002131/0.2222, allocations: 120.9 kB / 433.6 MB, free: 3.23 MB / 334.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0008303/0.223, allocations: 0.8344 MB / 434.4 MB, free: 2.395 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.000346/0.2233, allocations: 263 kB / 434.7 MB, free: 2.137 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001054/0.2234, allocations: 40 kB / 434.7 MB, free: 2.098 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001015/0.2236, allocations: 44 kB / 434.7 MB, free: 2.055 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 0.000195/0.2237, allocations: 155.5 kB / 434.9 MB, free: 1.902 MB / 334.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000244/0.224, allocations: 222.7 kB / 435.1 MB, free: 1.684 MB / 334.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0007854/0.2248, allocations: 0.923 MB / 436 MB, free: 0.7617 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.378e-06/0.2248, allocations: 4 kB / 436 MB, free: 0.7578 MB / 334.1 MB Notification: Performance of FrontEnd: time 2.244e-06/0.2248, allocations: 0 / 436 MB, free: 0.7578 MB / 334.1 MB Notification: Performance of Transformations before backend: time 1.205e-05/0.2248, allocations: 4 kB / 436 MB, free: 0.7539 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 81 * Number of variables: 81 Notification: Performance of Generate backend data structure: time 0.001167/0.226, allocations: 0.8799 MB / 436.9 MB, free: 15.81 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.327e-05/0.226, allocations: 8.031 kB / 436.9 MB, free: 15.8 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001012/0.2261, allocations: 70.72 kB / 437 MB, free: 15.72 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001088/0.2262, allocations: 52.64 kB / 437.1 MB, free: 15.67 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004061/0.2266, allocations: 351.6 kB / 437.4 MB, free: 15.29 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.625e-05/0.2266, allocations: 33.02 kB / 437.4 MB, free: 15.26 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.948e-05/0.2267, allocations: 40.31 kB / 437.5 MB, free: 15.22 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008115/0.2275, allocations: 485.9 kB / 437.9 MB, free: 14.74 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.073e-05/0.2275, allocations: 0 / 437.9 MB, free: 14.74 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.549e-05/0.2276, allocations: 19.98 kB / 438 MB, free: 14.72 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.415e-06/0.2276, allocations: 8 kB / 438 MB, free: 14.71 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007255/0.2283, allocations: 382.3 kB / 438.3 MB, free: 14.34 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001661/0.23, allocations: 1.113 MB / 439.5 MB, free: 13.17 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00101/0.231, allocations: 415.5 kB / 439.9 MB, free: 12.76 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003369/0.2314, allocations: 173.3 kB / 440 MB, free: 12.59 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.524e-05/0.2314, allocations: 4.281 kB / 440 MB, free: 12.58 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005487/0.2319, allocations: 340.8 kB / 440.4 MB, free: 12.24 MB / 350.1 MB Notification: Performance of pre-optimization done (n=35): time 1.854e-06/0.232, allocations: 0 / 440.4 MB, free: 12.24 MB / 350.1 MB Notification: Performance of matching and sorting (n=35): time 0.00136/0.2333, allocations: 0.7306 MB / 441.1 MB, free: 11.49 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.963e-05/0.2334, allocations: 110.8 kB / 441.2 MB, free: 11.36 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002902/0.2337, allocations: 314.5 kB / 441.5 MB, free: 11.04 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 5.954e-05/0.2337, allocations: 41.64 kB / 441.6 MB, free: 11 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001251/0.2339, allocations: 192.9 kB / 441.7 MB, free: 10.8 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001/0.234, allocations: 79.42 kB / 441.8 MB, free: 10.73 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000266/0.2342, allocations: 182 kB / 442 MB, free: 10.54 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 0.0001344/0.2344, allocations: 342.8 kB / 442.3 MB, free: 10.2 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003669/0.2347, allocations: 184.8 kB / 442.5 MB, free: 10.02 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004014/0.2351, allocations: 240.5 kB / 442.7 MB, free: 9.77 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008106/0.2359, allocations: 0.5145 MB / 443.3 MB, free: 9.215 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.354e-06/0.2359, allocations: 0 / 443.3 MB, free: 9.215 MB / 350.1 MB Notification: Performance of matching and sorting (n=48) (initialization): time 0.001078/0.237, allocations: 0.6515 MB / 443.9 MB, free: 8.547 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.174e-05/0.2371, allocations: 63.41 kB / 444 MB, free: 8.473 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.02e-06/0.2371, allocations: 0 / 444 MB, free: 8.473 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.233e-05/0.2371, allocations: 4 kB / 444 MB, free: 8.469 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001352/0.2372, allocations: 63.89 kB / 444 MB, free: 8.406 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.318e-06/0.2372, allocations: 4 kB / 444 MB, free: 8.402 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001738/0.2374, allocations: 27.88 kB / 444.1 MB, free: 8.375 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002355/0.2376, allocations: 283.7 kB / 444.3 MB, free: 8.098 MB / 350.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 45 ($whenCondition1,$PRE.FF.And2.auxiliary_n,FF.RS2.TD1.x_delayed,$PRE.FF.RS2.TD1.x,FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor2.auxiliary[2],FF.RS2.Nor2.x[2],FF.RS2.Nor2.x[1],$PRE.FF.And4.auxiliary_n,FF.RS1.TD1.x_delayed,$PRE.FF.RS1.TD1.x,FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor2.auxiliary[2],FF.RS1.Nor2.x[2],FF.RS1.Nor2.x[1],$PRE.FF.Not1.auxiliary,FF.And4.auxiliary_n,FF.And4.x[1],FF.And3.auxiliary_n,FF.And3.x[2],$PRE.FF.And1.auxiliary_n,FF.And1.y,FF.RS2.TD1.x,$PRE.FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor1.auxiliary_n,$PRE.FF.RS2.Nor1.auxiliary_n,FF.RS2.Nor1.auxiliary[2],K.y,J.y,CLK.t_i,$PRE.CLK.t_i,FF.Not1.auxiliary,$PRE.FF.And3.auxiliary_n,FF.And3.y,FF.And2.auxiliary_n,FF.And2.auxiliary[2],FF.And2.x[1],FF.And1.auxiliary_n,FF.And1.auxiliary[2],FF.And1.x[1],FF.RS1.TD1.x,$PRE.FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor1.auxiliary_n,$PRE.FF.RS1.Nor1.auxiliary_n,FF.RS1.Nor1.auxiliary[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (48): * Single equations (assignments): 46 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0003167/0.238, allocations: 293.1 kB / 444.6 MB, free: 7.789 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.729e-05/0.238, allocations: 31.81 kB / 444.7 MB, free: 7.758 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.632e-05/0.2381, allocations: 38.95 kB / 444.7 MB, free: 7.715 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.128e-06/0.2381, allocations: 4 kB / 444.7 MB, free: 7.711 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.898e-06/0.2381, allocations: 4 kB / 444.7 MB, free: 7.707 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.231e-06/0.2381, allocations: 3.938 kB / 444.7 MB, free: 7.703 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005309/0.2386, allocations: 473.3 kB / 445.2 MB, free: 7.191 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.576e-06/0.2386, allocations: 4 kB / 445.2 MB, free: 7.188 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001098/0.2388, allocations: 47.91 kB / 445.2 MB, free: 7.141 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.883e-06/0.2388, allocations: 0 / 445.2 MB, free: 7.141 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.567e-05/0.2388, allocations: 51.97 kB / 445.3 MB, free: 7.09 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.843e-06/0.2388, allocations: 0 / 445.3 MB, free: 7.09 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.31e-07/0.2388, allocations: 0 / 445.3 MB, free: 7.09 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001067/0.2399, allocations: 0.6141 MB / 445.9 MB, free: 6.445 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002254/0.2401, allocations: 192.8 kB / 446.1 MB, free: 6.238 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001021/0.2402, allocations: 23.92 kB / 446.1 MB, free: 6.215 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001452/0.2404, allocations: 16 kB / 446.1 MB, free: 6.199 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001919/0.2406, allocations: 87.91 kB / 446.2 MB, free: 6.113 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002496/0.2408, allocations: 283.6 kB / 446.5 MB, free: 5.836 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.0001922/0.241, allocations: 201.9 kB / 446.7 MB, free: 5.637 MB / 350.1 MB Notification: Performance of sort global known variables: time 9e-08/0.241, allocations: 8 kB / 446.7 MB, free: 5.629 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.0003678/0.2414, allocations: 99.84 kB / 446.8 MB, free: 5.531 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 33 ($whenCondition1,FF.RS1.Nor1.auxiliary[2],FF.RS1.Nor1.auxiliary_n,FF.RS1.Nor2.x[1],FF.RS1.Nor2.x[2],FF.RS1.Nor2.auxiliary[2],FF.RS1.Nor2.auxiliary_n,FF.RS1.TD1.x,FF.RS1.TD1.x_delayed,FF.RS2.Nor1.auxiliary[2],FF.RS2.Nor1.auxiliary_n,FF.RS2.Nor2.x[1],FF.RS2.Nor2.x[2],FF.RS2.Nor2.auxiliary[2],FF.RS2.Nor2.auxiliary_n,FF.RS2.TD1.x,FF.RS2.TD1.x_delayed,FF.And1.x[1],FF.And1.y,FF.And1.auxiliary[2],FF.And1.auxiliary_n,FF.And2.x[1],FF.And2.auxiliary[2],FF.And2.auxiliary_n,FF.And3.x[2],FF.And3.y,FF.And3.auxiliary_n,FF.And4.x[1],FF.And4.auxiliary_n,FF.Not1.auxiliary,CLK.t_i,J.y,K.y) * Number of discrete states: 13 (FF.Not1.auxiliary,FF.And4.auxiliary_n,FF.And3.auxiliary_n,FF.And2.auxiliary_n,FF.And1.auxiliary_n,FF.RS2.TD1.x,FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor1.auxiliary_n,FF.RS1.TD1.x,FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor1.auxiliary_n,K.y,J.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (35): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 1 * 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 0.00137/0.2427, allocations: 1.184 MB / 448 MB, free: 4.309 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.000915/0.2437, allocations: 0.5375 MB / 448.5 MB, free: 3.746 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 1.703e-06/0.2437, allocations: 0 / 448.5 MB, free: 3.746 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.000495/0.2442, allocations: 354.4 kB / 448.9 MB, free: 3.375 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001165/0.2453, allocations: 337.4 kB / 449.2 MB, free: 3.074 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004726/0.2501, allocations: 3.53 MB / 452.7 MB, free: 15.43 MB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004173/0.2505, allocations: 0.8072 MB / 453.5 MB, free: 14.59 MB / 366.1 MB Notification: Performance of simCode: alias equations: time 0.001214/0.2517, allocations: 0.7471 MB / 454.3 MB, free: 13.84 MB / 366.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007105/0.2524, allocations: 334.8 kB / 454.6 MB, free: 13.51 MB / 366.1 MB Notification: Performance of SimCode: time 5.61e-07/0.2524, allocations: 0 / 454.6 MB, free: 13.51 MB / 366.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03642/0.2888, allocations: 13.72 MB / 468.3 MB, free: 15.73 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 7.351/7.64, allocations: 7.938 kB / 468.3 MB, free: 15.72 MB / 382.1 MB " [Timeout remaining time 652] (rm -f Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.pipe ; mkfifo Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.pipe ; head -c 1048576 < Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.pipe >> ../files/Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop_res.mat --tempDir=temp_Modelica_4_1_0-beta_om_Modelica_Electrical_Digital_Examples_FlipFlop_fmu --startTime=0 --stopTime=250 --timeout=50 --tolerance=1e-06 Modelica_4_1_0-beta_om_Modelica_Electrical_Digital_Examples_FlipFlop.fmu > Modelica_4.1.0-beta.om_Modelica.Electrical.Digital.Examples.FlipFlop.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 9.72629944399523]