Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.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 0.001069/0.001069, allocations: 92.22 kB / 20.43 MB, free: 4.141 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 0.001516/0.001516, allocations: 165 kB / 23.8 MB, free: 0.7695 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 1.154/1.154, allocations: 177.1 MB / 204.2 MB, free: 5.652 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 0.6889/0.6889, allocations: 114.9 MB / 375.7 MB, free: 7.613 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.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness")
translateModel(IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 2.936e-06/2.936e-06, allocations: 0 / 481.5 MB, free: 11.82 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 3.882e-05/4.176e-05, allocations: 8.094 kB / 481.6 MB, free: 11.82 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness): time 0.02871/0.02875, allocations: 27.94 MB / 0.4976 GB, free: 9.594 MB / 426.7 MB
Notification: Performance of NFInst.instExpressions: time 0.02396/0.05271, allocations: 12.47 MB / 0.5097 GB, free: 14.77 MB / 442.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.008733/0.06144, allocations: 145.4 kB / 0.5099 GB, free: 14.63 MB / 442.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.00349/0.06493, allocations: 0.7575 MB / 0.5106 GB, free: 14.09 MB / 442.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.008628/0.07356, allocations: 2.272 MB / 0.5128 GB, free: 12.25 MB / 442.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.006206/0.07977, allocations: 2.248 MB / 0.515 GB, free: 10.18 MB / 442.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/Fluid/HeatPumps/ModularReversible/Modular.mo:59:3-61:76:writable] Warning: Parameter heaPum.TConCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/Fluid/HeatPumps/ModularReversible/Modular.mo:62:3-64:76:writable] Warning: Parameter heaPum.TEvaCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value.
Notification: Performance of NFFlatten.flatten: time 0.007775/0.08754, allocations: 5.678 MB / 0.5206 GB, free: 4.488 MB / 442.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.002786/0.09033, allocations: 2.105 MB / 0.5226 GB, free: 2.34 MB / 442.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.003772/0.0941, allocations: 2.76 MB / 0.5253 GB, free: 15.59 MB / 458.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.001614/0.09571, allocations: 1.449 MB / 0.5267 GB, free: 14.14 MB / 458.7 MB
Notification: Performance of NFPackage.collectConstants: time 0.0004668/0.09618, allocations: 322.5 kB / 0.527 GB, free: 13.83 MB / 458.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.002122/0.0983, allocations: 1.057 MB / 0.5281 GB, free: 12.77 MB / 458.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.0005073/0.09881, allocations: 0.7746 MB / 0.5288 GB, free: 11.99 MB / 458.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.0008917/0.0997, allocations: 0.9937 MB / 0.5298 GB, free: 11 MB / 458.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.003276/0.103, allocations: 2.776 MB / 0.5325 GB, free: 8.211 MB / 458.7 MB
Notification: Performance of FrontEnd - DAE generated: time 6.362e-06/0.103, allocations: 0 / 0.5325 GB, free: 8.211 MB / 458.7 MB
Notification: Performance of FrontEnd: time 1.854e-06/0.103, allocations: 1.812 kB / 0.5325 GB, free: 8.211 MB / 458.7 MB
Notification: Performance of Transformations before backend: time 1.86e-05/0.103, allocations: 0 / 0.5325 GB, free: 8.211 MB / 458.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 467
 * Number of variables: 467
Notification: Performance of Generate backend data structure: time 0.003326/0.1063, allocations: 3.244 MB / 0.5357 GB, free: 4.895 MB / 458.7 MB
Notification: Performance of prepare preOptimizeDAE: time 5.215e-05/0.1064, allocations: 8.625 kB / 0.5357 GB, free: 4.887 MB / 458.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000913/0.1073, allocations: 0.5738 MB / 0.5363 GB, free: 4.312 MB / 458.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00243/0.1097, allocations: 2.193 MB / 0.5384 GB, free: 2.074 MB / 458.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.81e-05/0.1098, allocations: 151.7 kB / 0.5385 GB, free: 1.926 MB / 458.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001928/0.11, allocations: 204 kB / 0.5387 GB, free: 1.727 MB / 458.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00184/0.1119, allocations: 1.665 MB / 0.5404 GB, free: 15.91 MB / 474.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 3.46e-05/0.1119, allocations: 7.953 kB / 0.5404 GB, free: 15.91 MB / 474.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001029/0.112, allocations: 79.89 kB / 0.5404 GB, free: 15.83 MB / 474.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.512e-05/0.112, allocations: 48 kB / 0.5405 GB, free: 15.79 MB / 474.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001288/0.1133, allocations: 0.7389 MB / 0.5412 GB, free: 15.04 MB / 474.7 MB
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 0.006096/0.1194, allocations: 6.875 MB / 0.5479 GB, free: 7.949 MB / 474.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001148/0.1206, allocations: 0.5811 MB / 0.5485 GB, free: 7.363 MB / 474.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003013/0.1209, allocations: 175 kB / 0.5487 GB, free: 7.191 MB / 474.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002538/0.1211, allocations: 84.59 kB / 0.5487 GB, free: 7.105 MB / 474.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004955/0.1216, allocations: 428.2 kB / 0.5492 GB, free: 6.637 MB / 474.7 MB
Notification: Performance of pre-optimization done (n=67): time 3.667e-06/0.1216, allocations: 3.938 kB / 0.5492 GB, free: 6.633 MB / 474.7 MB
Notification: Performance of matching and sorting (n=67): time 0.001102/0.1227, allocations: 0.7037 MB / 0.5498 GB, free: 5.922 MB / 474.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.312e-05/0.1228, allocations: 137.2 kB / 0.55 GB, free: 5.758 MB / 474.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/Fluid/HeatPumps/ModularReversible/Modular.mo:62:3-64:76:writable] Warning: Parameter heaPum.TEvaCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/Fluid/HeatPumps/ModularReversible/Modular.mo:59:3-61:76:writable] Warning: Parameter heaPum.TConCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value.
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001515/0.1243, allocations: 1.573 MB / 0.5515 GB, free: 4.133 MB / 474.7 MB
Notification: Performance of collectPreVariables (initialization): time 6.356e-05/0.1244, allocations: 57.69 kB / 0.5516 GB, free: 4.07 MB / 474.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0007487/0.1251, allocations: 1.235 MB / 0.5528 GB, free: 2.82 MB / 474.7 MB
Notification: Performance of collectInitialBindings (initialization): time 0.000175/0.1253, allocations: 261.9 kB / 0.553 GB, free: 2.562 MB / 474.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002522/0.1256, allocations: 268.4 kB / 0.5533 GB, free: 2.289 MB / 474.7 MB
Notification: Performance of setup shared object (initialization): time 0.0001694/0.1257, allocations: 0.5199 MB / 0.5538 GB, free: 1.762 MB / 474.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002678/0.126, allocations: 158.5 kB / 0.5539 GB, free: 1.609 MB / 474.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009712/0.127, allocations: 1.272 MB / 0.5552 GB, free: 15.93 MB / 490.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0008525/0.1278, allocations: 0.9581 MB / 0.5561 GB, free: 14.71 MB / 490.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.224e-06/0.1278, allocations: 4 kB / 0.5561 GB, free: 14.71 MB / 490.7 MB
Notification: Performance of matching and sorting (n=142) (initialization): time 0.001183/0.129, allocations: 1.016 MB / 0.5571 GB, free: 13.68 MB / 490.7 MB
Notification: Performance of prepare postOptimizeDAE: time 2.811e-05/0.129, allocations: 12.22 kB / 0.5571 GB, free: 13.67 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.686e-05/0.1291, allocations: 16 kB / 0.5571 GB, free: 13.66 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 3.869e-05/0.1291, allocations: 23.94 kB / 0.5572 GB, free: 13.63 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004832/0.1296, allocations: 255.6 kB / 0.5574 GB, free: 13.38 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.301e-05/0.1296, allocations: 31.86 kB / 0.5574 GB, free: 13.35 MB / 490.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005246/0.1301, allocations: 143.1 kB / 0.5576 GB, free: 13.21 MB / 490.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.259e-05/0.1302, allocations: 59.98 kB / 0.5576 GB, free: 13.15 MB / 490.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 61
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($PRE.tabMea.nextTimeEvent,$whenCondition1,heaPum.conHea.y,tabMea.nextTimeEventScaled,$PRE.tabMea.nextTimeEventScaled,tabMea.nextTimeEvent,heaPum.hys.y,$PRE.heaPum.hys.y,heaPum.eff.hys.y,$PRE.heaPum.eff.hys.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (142):
 * Single equations (assignments): 142
 * Array equations: 0
 * Algorithm blocks: 0
 * 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 0.0003214/0.1305, allocations: 236.2 kB / 0.5579 GB, free: 12.91 MB / 490.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001999/0.1307, allocations: 214.8 kB / 0.5581 GB, free: 12.7 MB / 490.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001016/0.1317, allocations: 0.7711 MB / 0.5588 GB, free: 11.94 MB / 490.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.349e-05/0.1318, allocations: 11.94 kB / 0.5588 GB, free: 11.93 MB / 490.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.821e-06/0.1318, allocations: 0 / 0.5588 GB, free: 11.93 MB / 490.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0006157/0.1324, allocations: 0.5608 MB / 0.5594 GB, free: 11.34 MB / 490.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002576/0.135, allocations: 2.211 MB / 0.5615 GB, free: 9.055 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.35e-06/0.135, allocations: 4 kB / 0.5615 GB, free: 9.051 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003545/0.1353, allocations: 147.8 kB / 0.5617 GB, free: 8.906 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 5.901e-06/0.1353, allocations: 4 kB / 0.5617 GB, free: 8.902 MB / 490.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.644e-05/0.1354, allocations: 27.98 kB / 0.5617 GB, free: 8.875 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.835e-06/0.1354, allocations: 7.984 kB / 0.5617 GB, free: 8.867 MB / 490.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.364e-06/0.1354, allocations: 4.188 kB / 0.5617 GB, free: 8.863 MB / 490.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001169/0.1365, allocations: 1.098 MB / 0.5628 GB, free: 7.707 MB / 490.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003608/0.1369, allocations: 310.4 kB / 0.5631 GB, free: 7.402 MB / 490.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001212/0.137, allocations: 24 kB / 0.5631 GB, free: 7.379 MB / 490.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003488/0.1374, allocations: 43.95 kB / 0.5631 GB, free: 7.336 MB / 490.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001184/0.1375, allocations: 76.56 kB / 0.5632 GB, free: 7.262 MB / 490.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.956e-05/0.1375, allocations: 35.97 kB / 0.5633 GB, free: 7.227 MB / 490.7 MB
Notification: Performance of sorting global known variables: time 0.0008634/0.1384, allocations: 0.9122 MB / 0.5641 GB, free: 6.293 MB / 490.7 MB
Notification: Performance of sort global known variables: time 2.41e-07/0.1384, allocations: 0 / 0.5641 GB, free: 6.293 MB / 490.7 MB
Notification: Performance of remove unused functions: time 0.001232/0.1396, allocations: 0.6502 MB / 0.5648 GB, free: 5.641 MB / 490.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * Number of states: 6 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U,heaPum.refCycIneCon.criDam.x[1],heaPum.refCycIneCon.criDam.x[2],heaPum.refCycIneEva.criDam.x[1],heaPum.refCycIneEva.criDam.x[2])
 * Number of discrete variables: 5 ($whenCondition1,heaPum.eff.hys.y,heaPum.hys.y,tabMea.nextTimeEvent,tabMea.nextTimeEventScaled)
 * Number of discrete states: 4 (tabMea.nextTimeEvent,tabMea.nextTimeEventScaled,heaPum.hys.y,heaPum.eff.hys.y)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (82):
 * Single equations (assignments): 74
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 6
 * When equations: 2
 * 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 0.001513/0.1411, allocations: 0.72 MB / 0.5655 GB, free: 5.145 MB / 490.7 MB
Notification: Performance of simCode: created initialization part: time 0.0007942/0.1419, allocations: 0.5859 MB / 0.5661 GB, free: 4.562 MB / 490.7 MB
Notification: Performance of simCode: created event and clocks part: time 3.226e-06/0.1419, allocations: 0 / 0.5661 GB, free: 4.562 MB / 490.7 MB
Notification: Performance of simCode: created simulation system equations: time 0.0003354/0.1423, allocations: 277.4 kB / 0.5663 GB, free: 4.285 MB / 490.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001745/0.144, allocations: 0.7687 MB / 0.5671 GB, free: 3.555 MB / 490.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004618/0.1486, allocations: 3.438 MB / 0.5704 GB, free: 28 kB / 490.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002955/0.1489, allocations: 388.3 kB / 0.5708 GB, free: 15.62 MB / 0.4948 GB
Notification: Performance of simCode: alias equations: time 0.0007336/0.1497, allocations: 339.8 kB / 0.5711 GB, free: 15.3 MB / 0.4948 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002482/0.1499, allocations: 140.5 kB / 0.5713 GB, free: 15.16 MB / 0.4948 GB
Notification: Performance of SimCode: time 1.413e-06/0.1499, allocations: 0 / 0.5713 GB, free: 15.16 MB / 0.4948 GB
Notification: Performance of Templates: time 0.0372/0.1871, allocations: 31.8 MB / 0.6023 GB, free: 64 kB / 0.5105 GB
"
[Timeout remaining time 660]
make -j1 -f IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.sim & ./IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 5.646445109974593]