Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 0.002486/0.002486, allocations: 83.69 kB / 20.23 MB, free: 4.188 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 0.002705/0.002705, allocations: 165.7 kB / 23.55 MB, free: 0.8711 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 1.586/1.586, allocations: 177.1 MB / 203.9 MB, free: 5.629 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 2.947/2.947, allocations: 359 MB / 0.6048 GB, free: 10.93 MB / 0.573 GB " [Timeout remaining time 176] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/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_11_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_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.643e-06/1.643e-06, allocations: 0 / 0.7864 GB, free: 12.81 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.348e-05/3.513e-05, allocations: 9.062 kB / 0.7864 GB, free: 12.8 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow): time 0.004415/0.00445, allocations: 2.377 MB / 0.7887 GB, free: 10.43 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.007561/0.01201, allocations: 3.704 MB / 0.7923 GB, free: 6.723 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002472/0.01226, allocations: 15.88 kB / 0.7923 GB, free: 6.707 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.003141/0.0154, allocations: 1.079 MB / 0.7934 GB, free: 5.633 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.001029/0.01643, allocations: 454.2 kB / 0.7938 GB, free: 5.191 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.001233/0.01766, allocations: 0.5282 MB / 0.7943 GB, free: 4.664 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.007939/0.0256, allocations: 4.358 MB / 0.7986 GB, free: 332 kB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001309/0.02573, allocations: 20.94 kB / 0.7986 GB, free: 316 kB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000581/0.02631, allocations: 303.3 kB / 0.7989 GB, free: 12 kB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003752/0.02669, allocations: 203.3 kB / 0.7991 GB, free: 15.81 MB / 0.7605 GB Notification: Performance of NFPackage.collectConstants: time 6.711e-05/0.02676, allocations: 20 kB / 0.7991 GB, free: 15.79 MB / 0.7605 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000946/0.0277, allocations: 343.4 kB / 0.7994 GB, free: 15.46 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0002835/0.02798, allocations: 231.4 kB / 0.7997 GB, free: 15.23 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.0002173/0.0282, allocations: 151.6 kB / 0.7998 GB, free: 15.08 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.001222/0.02942, allocations: 0.841 MB / 0.8006 GB, free: 14.24 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 3.487e-06/0.02943, allocations: 3.938 kB / 0.8006 GB, free: 14.23 MB / 0.7605 GB Notification: Performance of FrontEnd: time 1.222e-06/0.02943, allocations: 0 / 0.8006 GB, free: 14.23 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 9.288e-06/0.02944, allocations: 0 / 0.8006 GB, free: 14.23 MB / 0.7605 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 0.001728/0.03117, allocations: 0.9957 MB / 0.8016 GB, free: 13.2 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 3.401e-05/0.0312, allocations: 12.03 kB / 0.8016 GB, free: 13.19 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007818/0.03198, allocations: 144.4 kB / 0.8017 GB, free: 13.05 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001692/0.03367, allocations: 0.8793 MB / 0.8026 GB, free: 12.14 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.504e-05/0.0337, allocations: 8 kB / 0.8026 GB, free: 12.13 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.056e-05/0.03373, allocations: 11.98 kB / 0.8026 GB, free: 12.12 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003898/0.03412, allocations: 143.1 kB / 0.8028 GB, free: 11.97 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.026e-05/0.03413, allocations: 0 / 0.8028 GB, free: 11.97 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.065e-05/0.03415, allocations: 4 kB / 0.8028 GB, free: 11.97 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.158e-06/0.03415, allocations: 0 / 0.8028 GB, free: 11.97 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004778/0.03463, allocations: 135.9 kB / 0.8029 GB, free: 11.84 MB / 0.7605 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001486/0.03612, allocations: 0.7139 MB / 0.8036 GB, free: 11.09 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007541/0.03687, allocations: 163.1 kB / 0.8037 GB, free: 10.91 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002093/0.03708, allocations: 71.53 kB / 0.8038 GB, free: 10.84 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 2.472e-05/0.03711, allocations: 0 / 0.8038 GB, free: 10.84 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.445e-05/0.03714, allocations: 37.33 kB / 0.8039 GB, free: 10.79 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=9): time 1.012e-06/0.03714, allocations: 4 kB / 0.8039 GB, free: 10.79 MB / 0.7605 GB Notification: Performance of matching and sorting (n=9): time 0.0008183/0.03796, allocations: 253.3 kB / 0.8041 GB, free: 10.54 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.536e-05/0.03801, allocations: 55.41 kB / 0.8042 GB, free: 10.47 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001072/0.03908, allocations: 0.7807 MB / 0.8049 GB, free: 9.672 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 3.003e-05/0.03911, allocations: 25.7 kB / 0.8049 GB, free: 9.641 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004216/0.03953, allocations: 391.1 kB / 0.8053 GB, free: 9.25 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 3.835e-05/0.03957, allocations: 27.75 kB / 0.8053 GB, free: 9.223 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001132/0.03968, allocations: 67.34 kB / 0.8054 GB, free: 9.148 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 0.0004068/0.04009, allocations: 0.5938 MB / 0.806 GB, free: 8.543 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002353/0.04032, allocations: 75.64 kB / 0.8061 GB, free: 8.465 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006182/0.04094, allocations: 228.2 kB / 0.8063 GB, free: 8.184 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005524/0.04149, allocations: 260 kB / 0.8065 GB, free: 7.879 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.895e-06/0.0415, allocations: 0 / 0.8065 GB, free: 7.879 MB / 0.7605 GB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0007074/0.0422, allocations: 305.1 kB / 0.8068 GB, free: 7.574 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.808e-05/0.04222, allocations: 4 kB / 0.8068 GB, free: 7.57 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.468e-05/0.04224, allocations: 4 kB / 0.8068 GB, free: 7.566 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.943e-05/0.04226, allocations: 4 kB / 0.8068 GB, free: 7.562 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005774/0.04283, allocations: 75.89 kB / 0.8069 GB, free: 7.488 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008151/0.04365, allocations: 0.9128 MB / 0.8078 GB, free: 6.547 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002887/0.04394, allocations: 40 kB / 0.8078 GB, free: 6.508 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.662e-05/0.04397, allocations: 19.98 kB / 0.8078 GB, free: 6.488 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003524/0.04433, allocations: 202.8 kB / 0.808 GB, free: 6.285 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003677/0.04469, allocations: 215.4 kB / 0.8082 GB, free: 6.016 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005256/0.04522, allocations: 256.1 kB / 0.8085 GB, free: 5.715 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.683e-06/0.04522, allocations: 3.938 kB / 0.8085 GB, free: 5.711 MB / 0.7605 GB Notification: Performance of matching and sorting (n=22) (initialization_lambda0): time 0.0006845/0.04591, allocations: 301 kB / 0.8088 GB, free: 5.41 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.426e-05/0.04592, allocations: 11.92 kB / 0.8088 GB, free: 5.398 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.263e-06/0.04593, allocations: 4 kB / 0.8088 GB, free: 5.395 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.382e-06/0.04593, allocations: 4 kB / 0.8088 GB, free: 5.391 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003461/0.04628, allocations: 67.89 kB / 0.8089 GB, free: 5.324 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.955e-06/0.04629, allocations: 4 kB / 0.8089 GB, free: 5.32 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002716/0.04656, allocations: 28.05 kB / 0.8089 GB, free: 5.293 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.566e-05/0.0466, allocations: 19.98 kB / 0.8089 GB, free: 5.273 MB / 0.7605 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * 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 (21): * Single equations (assignments): 19 * 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 0.0001899/0.04679, allocations: 276 kB / 0.8092 GB, free: 4.996 MB / 0.7605 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000111/0.0469, allocations: 67.52 kB / 0.8092 GB, free: 4.93 MB / 0.7605 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005812/0.04748, allocations: 207.1 kB / 0.8094 GB, free: 4.719 MB / 0.7605 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.246e-06/0.04748, allocations: 0 / 0.8094 GB, free: 4.719 MB / 0.7605 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.345e-06/0.04748, allocations: 0 / 0.8094 GB, free: 4.719 MB / 0.7605 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.59e-06/0.04749, allocations: 4 kB / 0.8094 GB, free: 4.715 MB / 0.7605 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006042/0.04809, allocations: 416.4 kB / 0.8098 GB, free: 4.273 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.142e-06/0.04809, allocations: 0 / 0.8098 GB, free: 4.273 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002579/0.04835, allocations: 39.97 kB / 0.8099 GB, free: 4.234 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.782e-06/0.04836, allocations: 3.938 kB / 0.8099 GB, free: 4.23 MB / 0.7605 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.084e-05/0.04837, allocations: 4 kB / 0.8099 GB, free: 4.227 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006012/0.04897, allocations: 0.905 MB / 0.8108 GB, free: 3.293 MB / 0.7605 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.112e-06/0.04897, allocations: 0 / 0.8108 GB, free: 3.293 MB / 0.7605 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006067/0.04958, allocations: 351.3 kB / 0.8111 GB, free: 2.93 MB / 0.7605 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001892/0.04977, allocations: 71.59 kB / 0.8112 GB, free: 2.859 MB / 0.7605 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.596e-05/0.04983, allocations: 8.062 kB / 0.8112 GB, free: 2.852 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002143/0.05005, allocations: 19.92 kB / 0.8112 GB, free: 2.832 MB / 0.7605 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.569e-05/0.05009, allocations: 11.98 kB / 0.8112 GB, free: 2.82 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.119e-05/0.0501, allocations: 0 / 0.8112 GB, free: 2.82 MB / 0.7605 GB Notification: Performance of sorting global known variables: time 0.0006363/0.05074, allocations: 463 kB / 0.8116 GB, free: 2.375 MB / 0.7605 GB Notification: Performance of sort global known variables: time 1e-07/0.05074, allocations: 0 / 0.8116 GB, free: 2.375 MB / 0.7605 GB Notification: Performance of remove unused functions: time 0.000674/0.05142, allocations: 179.8 kB / 0.8118 GB, free: 2.199 MB / 0.7605 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 0.0004004/0.05182, allocations: 199 kB / 0.812 GB, free: 1.996 MB / 0.7605 GB Notification: Performance of simCode: created initialization part: time 0.001261/0.05308, allocations: 315.1 kB / 0.8123 GB, free: 1.68 MB / 0.7605 GB Notification: Performance of simCode: created event and clocks part: time 1.733e-06/0.05308, allocations: 0 / 0.8123 GB, free: 1.68 MB / 0.7605 GB Notification: Performance of simCode: created simulation system equations: time 0.0003188/0.0534, allocations: 93.83 kB / 0.8124 GB, free: 1.586 MB / 0.7605 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001135/0.05453, allocations: 329.9 kB / 0.8127 GB, free: 1.266 MB / 0.7605 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00251/0.05704, allocations: 0.891 MB / 0.8136 GB, free: 348 kB / 0.7605 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003614/0.0574, allocations: 288.1 kB / 0.8139 GB, free: 32 kB / 0.7605 GB Notification: Performance of simCode: alias equations: time 0.0004847/0.05789, allocations: 145.2 kB / 0.814 GB, free: 15.89 MB / 0.7761 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001615/0.05805, allocations: 60.47 kB / 0.8141 GB, free: 15.83 MB / 0.7761 GB Notification: Performance of SimCode: time 5.91e-07/0.05805, allocations: 0 / 0.8141 GB, free: 15.83 MB / 0.7761 GB Notification: Performance of Templates: time 0.02369/0.08174, allocations: 12.64 MB / 0.8264 GB, free: 3.551 MB / 0.7761 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe ; mkfifo Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe >> ../files/Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.sim & ./Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.NegativePressureOrFlow.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 8.57848644501064]