Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001329/0.001329, allocations: 117.2 kB / 17.13 MB, free: 5.758 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001311/0.001311, allocations: 194.1 kB / 20.08 MB, free: 2.848 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.551/1.551, allocations: 225.6 MB / 248.5 MB, free: 3.648 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.649/2.649, allocations: 443.5 MB / 0.7293 GB, free: 14.57 MB / 0.5763 GB " [Timeout remaining time 177] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.DC.Loads.Examples.VariableLoad,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|loa1.i.1.|loa2.i.1.|loa3.i.1.",fileNamePrefix="Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad") translateModel(Buildings.Electrical.DC.Loads.Examples.VariableLoad,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|loa1.i.1.|loa2.i.1.|loa3.i.1.",fileNamePrefix="Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001991/0.001991, allocations: 63.89 kB / 1.057 GB, free: 2.055 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3538/0.3558, allocations: 160.7 MB / 1.214 GB, free: 1.023 MB / 0.9513 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.DC.Loads.Examples.VariableLoad): time 0.006737/0.3625, allocations: 3.914 MB / 1.218 GB, free: 13.08 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.003174/0.3657, allocations: 1.792 MB / 1.22 GB, free: 11.28 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002039/0.3659, allocations: 11.94 kB / 1.22 GB, free: 11.27 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.001412/0.3673, allocations: 454.2 kB / 1.22 GB, free: 10.82 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.0006663/0.368, allocations: 258.7 kB / 1.22 GB, free: 10.57 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007092/0.3687, allocations: 247.5 kB / 1.221 GB, free: 10.33 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.0006834/0.3694, allocations: 0.5063 MB / 1.221 GB, free: 9.82 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005809/0.37, allocations: 292.9 kB / 1.221 GB, free: 9.535 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002878/0.3703, allocations: 203.3 kB / 1.222 GB, free: 9.336 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000505/0.3708, allocations: 259 kB / 1.222 GB, free: 9.082 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 6.078e-05/0.3708, allocations: 32 kB / 1.222 GB, free: 9.051 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0004057/0.3712, allocations: 191.6 kB / 1.222 GB, free: 8.863 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.0001779/0.3714, allocations: 135.6 kB / 1.222 GB, free: 8.73 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.0002013/0.3716, allocations: 179.1 kB / 1.222 GB, free: 8.555 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.0006889/0.3723, allocations: 0.5059 MB / 1.223 GB, free: 8.047 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 3.297e-06/0.3723, allocations: 0 / 1.223 GB, free: 8.047 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.262e-06/0.3723, allocations: 0 / 1.223 GB, free: 8.047 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 7.214e-06/0.3723, allocations: 0 / 1.223 GB, free: 8.047 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 82 * Number of variables: 82 Notification: Performance of Generate backend data structure: time 0.001309/0.3736, allocations: 0.6699 MB / 1.223 GB, free: 7.328 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 5.524e-05/0.3737, allocations: 12.03 kB / 1.223 GB, free: 7.316 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006207/0.3743, allocations: 84.64 kB / 1.224 GB, free: 7.234 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004859/0.3748, allocations: 307.7 kB / 1.224 GB, free: 6.895 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.914e-05/0.3748, allocations: 21.03 kB / 1.224 GB, free: 6.875 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.366e-05/0.3749, allocations: 28.36 kB / 1.224 GB, free: 6.848 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009484/0.3758, allocations: 498 kB / 1.224 GB, free: 6.328 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.721e-05/0.3758, allocations: 0 / 1.224 GB, free: 6.328 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.97e-05/0.3759, allocations: 12 kB / 1.224 GB, free: 6.316 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.69e-05/0.3759, allocations: 40.62 kB / 1.224 GB, free: 6.277 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008085/0.3767, allocations: 362.2 kB / 1.225 GB, free: 5.926 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002617/0.3794, allocations: 2.057 MB / 1.227 GB, free: 3.668 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007174/0.3801, allocations: 210.7 kB / 1.227 GB, free: 3.453 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004278/0.3805, allocations: 144.7 kB / 1.227 GB, free: 3.309 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 2.476e-05/0.3805, allocations: 0 / 1.227 GB, free: 3.309 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.094e-05/0.3806, allocations: 38.56 kB / 1.227 GB, free: 3.262 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=18): time 1.142e-06/0.3806, allocations: 0 / 1.227 GB, free: 3.262 MB / 0.9669 GB Notification: Performance of matching and sorting (n=18): time 0.001422/0.382, allocations: 441.1 kB / 1.228 GB, free: 2.805 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.592e-05/0.382, allocations: 55.41 kB / 1.228 GB, free: 2.738 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003117/0.3824, allocations: 254.7 kB / 1.228 GB, free: 2.484 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 3.149e-05/0.3824, allocations: 25.7 kB / 1.228 GB, free: 2.453 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001832/0.3826, allocations: 224.1 kB / 1.228 GB, free: 2.227 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 6.281e-05/0.3826, allocations: 63.47 kB / 1.228 GB, free: 2.164 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001117/0.3827, allocations: 57.94 kB / 1.228 GB, free: 2.098 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001843/0.3829, allocations: 342.8 kB / 1.229 GB, free: 1.754 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002712/0.3832, allocations: 97.91 kB / 1.229 GB, free: 1.656 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000387/0.3836, allocations: 215.5 kB / 1.229 GB, free: 1.395 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006418/0.3842, allocations: 311.2 kB / 1.229 GB, free: 1.043 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.1e-06/0.3842, allocations: 7.938 kB / 1.229 GB, free: 1.035 MB / 0.9669 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0009275/0.3852, allocations: 374 kB / 1.229 GB, free: 0.6602 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 1.818e-05/0.3852, allocations: 5.875 kB / 1.229 GB, free: 0.6562 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.653e-05/0.3852, allocations: 7.938 kB / 1.229 GB, free: 0.6484 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002931/0.3855, allocations: 40.83 kB / 1.23 GB, free: 0.6055 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002914/0.3858, allocations: 72.08 kB / 1.23 GB, free: 0.5352 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001619/0.3874, allocations: 1.449 MB / 1.231 GB, free: 14.95 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003066/0.3877, allocations: 55.7 kB / 1.231 GB, free: 14.89 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.806e-05/0.3877, allocations: 12 kB / 1.231 GB, free: 14.88 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004679/0.3882, allocations: 220.7 kB / 1.231 GB, free: 14.66 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000421/0.3886, allocations: 207.2 kB / 1.231 GB, free: 14.41 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006324/0.3893, allocations: 307.7 kB / 1.232 GB, free: 14.06 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.545e-06/0.3893, allocations: 0 / 1.232 GB, free: 14.06 MB / 0.9825 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0008261/0.3901, allocations: 361.7 kB / 1.232 GB, free: 13.7 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.169e-05/0.3901, allocations: 4 kB / 1.232 GB, free: 13.7 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.644e-06/0.3901, allocations: 4 kB / 1.232 GB, free: 13.69 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001162/0.3902, allocations: 33.31 kB / 1.232 GB, free: 13.66 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003249/0.3905, allocations: 67.89 kB / 1.232 GB, free: 13.59 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001408/0.392, allocations: 1.418 MB / 1.234 GB, free: 12.03 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000277/0.3922, allocations: 31.88 kB / 1.234 GB, free: 12 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.344e-05/0.3923, allocations: 12 kB / 1.234 GB, free: 11.99 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (32): * Single equations (assignments): 31 * 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 {(1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0002446/0.3925, allocations: 208.2 kB / 1.234 GB, free: 11.78 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.96e-05/0.3926, allocations: 31.75 kB / 1.234 GB, free: 11.75 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.098e-05/0.3926, allocations: 30.19 kB / 1.234 GB, free: 11.72 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.597e-06/0.3926, allocations: 3.984 kB / 1.234 GB, free: 11.71 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.587e-06/0.3926, allocations: 0 / 1.234 GB, free: 11.71 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.241e-06/0.3927, allocations: 3.984 kB / 1.234 GB, free: 11.71 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001381/0.394, allocations: 0.7525 MB / 1.235 GB, free: 10.88 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.338e-06/0.394, allocations: 7.938 kB / 1.235 GB, free: 10.88 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001911/0.3942, allocations: 39.91 kB / 1.235 GB, free: 10.84 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001086/0.3943, allocations: 28.91 kB / 1.235 GB, free: 10.8 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.648e-05/0.3944, allocations: 4 kB / 1.235 GB, free: 10.8 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001291/0.3956, allocations: 1.426 MB / 1.236 GB, free: 9.227 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.523e-06/0.3956, allocations: 0 / 1.236 GB, free: 9.227 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006971/0.3963, allocations: 365.8 kB / 1.236 GB, free: 8.844 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001261/0.3965, allocations: 124.9 kB / 1.237 GB, free: 8.703 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.619e-05/0.3965, allocations: 0 / 1.237 GB, free: 8.703 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001831/0.3967, allocations: 15.98 kB / 1.237 GB, free: 8.688 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.459e-05/0.3967, allocations: 19.97 kB / 1.237 GB, free: 8.668 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.146e-05/0.3968, allocations: 11.94 kB / 1.237 GB, free: 8.656 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.0001937/0.397, allocations: 182 kB / 1.237 GB, free: 8.477 MB / 0.9825 GB Notification: Performance of sort global known variables: time 8e-08/0.397, allocations: 0 / 1.237 GB, free: 8.477 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0007089/0.3977, allocations: 151.6 kB / 1.237 GB, free: 8.328 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (18): * Single equations (assignments): 17 * 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 {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001595/0.3978, allocations: 107.2 kB / 1.237 GB, free: 8.215 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.00151/0.3993, allocations: 0.5843 MB / 1.238 GB, free: 7.605 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 3.186e-06/0.3993, allocations: 0 / 1.238 GB, free: 7.605 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.0003978/0.3997, allocations: 222.4 kB / 1.238 GB, free: 7.375 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000541/0.4003, allocations: 80.69 kB / 1.238 GB, free: 7.305 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00112/0.4014, allocations: 0.5968 MB / 1.238 GB, free: 6.672 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006853/0.4021, allocations: 0.8034 MB / 1.239 GB, free: 5.84 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.426e-05/0.4022, allocations: 23.44 kB / 1.239 GB, free: 5.816 MB / 0.9825 GB Notification: Performance of SimCode: time 5.71e-07/0.4022, allocations: 3.938 kB / 1.239 GB, free: 5.812 MB / 0.9825 GB Notification: Performance of Templates: time 0.009085/0.4113, allocations: 4.869 MB / 1.244 GB, free: 0.957 MB / 0.9825 GB " [Timeout remaining time 300] make -j1 -f Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; mkfifo Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe >> ../files/Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.sim & ./Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Electrical_DC_Loads_Examples_VariableLoad.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Electrical.DC.Loads.Examples.VariableLoad.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 11.825735166901723]