Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.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 0.001411/0.001411, allocations: 72.83 kB / 20.72 MB, free: 3.77 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 0.001778/0.001778, allocations: 169 kB / 24.14 MB, free: 360 kB / 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 1.015/1.015, allocations: 177.2 MB / 204.6 MB, free: 5.504 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6684/0.6684, allocations: 115 MB / 376 MB, free: 7.504 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse")
translateModel(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.373e-06/1.373e-06, allocations: 0 / 428.7 MB, free: 2.848 MB / 394.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.883e-05/2.02e-05, allocations: 2.312 kB / 428.7 MB, free: 2.844 MB / 394.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse): time 0.3828/0.3828, allocations: 153.2 MB / 0.5682 GB, free: 12.59 MB / 0.5105 GB
Notification: Performance of NFInst.instExpressions: time 0.01415/0.3969, allocations: 8.946 MB / 0.577 GB, free: 3.656 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001828/0.3987, allocations: 59.56 kB / 0.577 GB, free: 3.598 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 0.001107/0.3999, allocations: 476.1 kB / 0.5775 GB, free: 3.129 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 0.003847/0.4037, allocations: 1.698 MB / 0.5792 GB, free: 1.426 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002908/0.4066, allocations: 1.574 MB / 0.5807 GB, free: 15.85 MB / 0.5261 GB
Notification: Performance of NFFlatten.flatten: time 0.004443/0.4111, allocations: 4.4 MB / 0.585 GB, free: 11.45 MB / 0.5261 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002355/0.4134, allocations: 1.675 MB / 0.5866 GB, free: 9.711 MB / 0.5261 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003948/0.4174, allocations: 2.223 MB / 0.5888 GB, free: 7.5 MB / 0.5261 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002131/0.4195, allocations: 1.26 MB / 0.59 GB, free: 6.238 MB / 0.5261 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006881/0.4202, allocations: 284 kB / 0.5903 GB, free: 5.961 MB / 0.5261 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002149/0.4223, allocations: 1.022 MB / 0.5913 GB, free: 4.938 MB / 0.5261 GB
Notification: Performance of NFScalarize.scalarize: time 0.0008453/0.4232, allocations: 0.9037 MB / 0.5922 GB, free: 4.031 MB / 0.5261 GB
Notification: Performance of NFVerifyModel.verify: time 0.001486/0.4247, allocations: 0.9432 MB / 0.5931 GB, free: 3.086 MB / 0.5261 GB
Notification: Performance of NFConvertDAE.convert: time 0.00416/0.4288, allocations: 2.792 MB / 0.5958 GB, free: 292 kB / 0.5261 GB
Notification: Performance of FrontEnd - DAE generated: time 4.629e-06/0.4288, allocations: 0 / 0.5958 GB, free: 292 kB / 0.5261 GB
Notification: Performance of FrontEnd: time 1.503e-06/0.4288, allocations: 0 / 0.5958 GB, free: 292 kB / 0.5261 GB
Notification: Performance of Transformations before backend: time 3.987e-05/0.4289, allocations: 0 / 0.5958 GB, free: 292 kB / 0.5261 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 526
 * Number of variables: 526
Notification: Performance of Generate backend data structure: time 0.003412/0.4323, allocations: 2.753 MB / 0.5985 GB, free: 13.49 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 3.507e-05/0.4323, allocations: 8.031 kB / 0.5985 GB, free: 13.48 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002924/0.4352, allocations: 1.079 MB / 0.5996 GB, free: 12.4 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001518/0.4367, allocations: 1.07 MB / 0.6006 GB, free: 11.28 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.5e-05/0.4368, allocations: 163.9 kB / 0.6008 GB, free: 11.12 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002319/0.4371, allocations: 204 kB / 0.601 GB, free: 10.92 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.002108/0.4392, allocations: 2.015 MB / 0.6029 GB, free: 8.758 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.255e-05/0.4392, allocations: 3.984 kB / 0.6029 GB, free: 8.754 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001445/0.4394, allocations: 80 kB / 0.603 GB, free: 8.676 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.476e-05/0.4394, allocations: 111.9 kB / 0.6031 GB, free: 8.562 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001577/0.441, allocations: 1.329 MB / 0.6044 GB, free: 7.188 MB / 0.5417 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005329/0.4463, allocations: 3.947 MB / 0.6083 GB, free: 3.18 MB / 0.5417 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001736/0.4481, allocations: 1.421 MB / 0.6097 GB, free: 1.762 MB / 0.5417 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005486/0.4486, allocations: 464.5 kB / 0.6101 GB, free: 1.312 MB / 0.5417 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001717/0.4488, allocations: 77.95 kB / 0.6102 GB, free: 1.238 MB / 0.5417 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009315/0.4497, allocations: 1.063 MB / 0.6112 GB, free: 112 kB / 0.5417 GB
Notification: Performance of pre-optimization done (n=224): time 4.97e-06/0.4497, allocations: 4 kB / 0.6112 GB, free: 108 kB / 0.5417 GB
Notification: Performance of matching and sorting (n=224): time 0.002509/0.4522, allocations: 1.409 MB / 0.6126 GB, free: 14.69 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.488e-05/0.4523, allocations: 213.9 kB / 0.6128 GB, free: 14.43 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000745/0.4531, allocations: 0.8807 MB / 0.6137 GB, free: 13.54 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001321/0.4532, allocations: 69.7 kB / 0.6137 GB, free: 13.46 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003911/0.4536, allocations: 0.6448 MB / 0.6144 GB, free: 12.81 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004847/0.4541, allocations: 0.7628 MB / 0.6151 GB, free: 12.04 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004527/0.4545, allocations: 395.8 kB / 0.6155 GB, free: 11.64 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.0002393/0.4548, allocations: 301.1 kB / 0.6158 GB, free: 11.35 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000507/0.4553, allocations: 319.3 kB / 0.6161 GB, free: 11.03 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006526/0.4559, allocations: 0.7081 MB / 0.6168 GB, free: 10.23 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001131/0.4571, allocations: 0.9831 MB / 0.6177 GB, free: 9.195 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.392e-06/0.4571, allocations: 0 / 0.6177 GB, free: 9.195 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=277) (initialization): time 0.00176/0.4588, allocations: 1.171 MB / 0.6189 GB, free: 7.984 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.009e-05/0.4589, allocations: 8 kB / 0.6189 GB, free: 7.977 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.977e-06/0.4589, allocations: 0 / 0.6189 GB, free: 7.977 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0003975/0.4593, allocations: 125.6 kB / 0.619 GB, free: 7.852 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001198/0.4605, allocations: 487.3 kB / 0.6195 GB, free: 7.375 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001094/0.4615, allocations: 1.326 MB / 0.6207 GB, free: 5.957 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009481/0.4625, allocations: 220.6 kB / 0.621 GB, free: 5.742 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000122/0.4626, allocations: 68.66 kB / 0.621 GB, free: 5.676 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 8
 * Number of states: 0 ()
 * Number of discrete variables: 27 (weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile,weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (275):
 * Single equations (assignments): 274
 * 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
   {(1,2)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005706/0.4632, allocations: 238 kB / 0.6213 GB, free: 5.438 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000259/0.4634, allocations: 183.8 kB / 0.6214 GB, free: 5.258 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002204/0.4657, allocations: 1.367 MB / 0.6228 GB, free: 3.871 MB / 0.5573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.252e-05/0.4657, allocations: 24 kB / 0.6228 GB, free: 3.848 MB / 0.5573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.368e-06/0.4657, allocations: 0 / 0.6228 GB, free: 3.848 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001239/0.4669, allocations: 1.144 MB / 0.6239 GB, free: 2.613 MB / 0.5573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004195/0.4711, allocations: 2.929 MB / 0.6268 GB, free: 15.56 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.145e-06/0.4711, allocations: 6.812 kB / 0.6268 GB, free: 15.55 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001074/0.4722, allocations: 407.4 kB / 0.6272 GB, free: 15.16 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.000479/0.4727, allocations: 180.7 kB / 0.6273 GB, free: 14.97 MB / 0.573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001174/0.4728, allocations: 55.95 kB / 0.6274 GB, free: 14.92 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001647/0.4744, allocations: 2.567 MB / 0.6299 GB, free: 12.17 MB / 0.573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.511e-06/0.4744, allocations: 11.94 kB / 0.6299 GB, free: 12.16 MB / 0.573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002397/0.4768, allocations: 1.88 MB / 0.6317 GB, free: 10.18 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006395/0.4775, allocations: 350.2 kB / 0.6321 GB, free: 9.836 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002222/0.4777, allocations: 55.98 kB / 0.6321 GB, free: 9.781 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007495/0.4784, allocations: 111.8 kB / 0.6322 GB, free: 9.672 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002274/0.4787, allocations: 169.6 kB / 0.6324 GB, free: 9.504 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.91e-05/0.4788, allocations: 55.97 kB / 0.6324 GB, free: 9.449 MB / 0.573 GB
Notification: Performance of sorting global known variables: time 0.0004039/0.4792, allocations: 428.4 kB / 0.6329 GB, free: 9.023 MB / 0.573 GB
Notification: Performance of sort global known variables: time 3e-08/0.4792, allocations: 0 / 0.6329 GB, free: 9.023 MB / 0.573 GB
Notification: Performance of remove unused functions: time 0.001565/0.4807, allocations: 0.7915 MB / 0.6336 GB, free: 8.23 MB / 0.573 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 20
 * Number of states: 5 (simpleZone.volRoom.dynBal.medium.Xi[1],simpleZone.volRoom.dynBal.U,simpleZone.volRoom.dynBal.m,simpleZone.door.mExcAB,simpleZone.door.mExcBA)
 * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k)
 * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (232):
 * Single equations (assignments): 220
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 10
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001749/0.4825, allocations: 0.8435 MB / 0.6345 GB, free: 7.77 MB / 0.573 GB
Notification: Performance of simCode: created initialization part: time 0.001869/0.4844, allocations: 1.201 MB / 0.6356 GB, free: 6.547 MB / 0.573 GB
Notification: Performance of simCode: created event and clocks part: time 2.112e-05/0.4844, allocations: 19.94 kB / 0.6356 GB, free: 6.527 MB / 0.573 GB
Notification: Performance of simCode: created simulation system equations: time 0.0009379/0.4853, allocations: 0.8577 MB / 0.6365 GB, free: 5.641 MB / 0.573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001942/0.4873, allocations: 0.7525 MB / 0.6372 GB, free: 4.945 MB / 0.573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004999/0.4923, allocations: 3.684 MB / 0.6408 GB, free: 1.156 MB / 0.573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003859/0.4926, allocations: 445.8 kB / 0.6412 GB, free: 0.6914 MB / 0.573 GB
Notification: Performance of simCode: alias equations: time 0.001408/0.494, allocations: 407 kB / 0.6416 GB, free: 296 kB / 0.573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001449/0.4955, allocations: 0.6043 MB / 0.6422 GB, free: 15.68 MB / 0.5886 GB
Notification: Performance of SimCode: time 2.004e-06/0.4955, allocations: 0 / 0.6422 GB, free: 15.68 MB / 0.5886 GB
Notification: Performance of Templates: time 0.2894/0.7849, allocations: 41.84 MB / 0.6831 GB, free: 80.66 MB / 0.5886 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; mkfifo IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe >> ../files/IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.sim & ./IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 5.1963058123365045]