Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.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 0.0008871/0.0008871, allocations: 79.69 kB / 21.74 MB, free: 2.516 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 0.001702/0.001702, allocations: 169.9 kB / 25.18 MB, free: 9.113 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 0.931/0.931, allocations: 177.2 MB / 205.6 MB, free: 4.375 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.877/1.877, allocations: 389.6 MB / 0.6364 GB, free: 13.29 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Chillers.ModularReversible.Validation.TableData2D,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D") translateModel(Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.623e-06/1.623e-06, allocations: 0 / 0.7757 GB, free: 14.45 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.352e-05/2.515e-05, allocations: 2.312 kB / 0.7757 GB, free: 14.45 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D): time 0.02601/0.02604, allocations: 28.35 MB / 0.8034 GB, free: 1.992 MB / 0.7605 GB Notification: Performance of NFInst.instExpressions: time 0.3595/0.3856, allocations: 11.03 MB / 0.8141 GB, free: 20.56 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002992/0.3886, allocations: 129 kB / 0.8143 GB, free: 20.56 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.001719/0.3903, allocations: 0.8773 MB / 0.8151 GB, free: 20.39 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.004158/0.3945, allocations: 2.32 MB / 0.8174 GB, free: 19.38 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.003412/0.3979, allocations: 2.038 MB / 0.8194 GB, free: 18.46 MB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.005083/0.4029, allocations: 5.584 MB / 0.8248 GB, free: 15.74 MB / 0.7605 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002585/0.4055, allocations: 2.035 MB / 0.8268 GB, free: 14.53 MB / 0.7605 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00342/0.409, allocations: 2.869 MB / 0.8296 GB, free: 13.37 MB / 0.7605 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001756/0.4107, allocations: 1.353 MB / 0.8309 GB, free: 12.99 MB / 0.7605 GB Notification: Performance of NFPackage.collectConstants: time 0.0004546/0.4112, allocations: 296.2 kB / 0.8312 GB, free: 12.99 MB / 0.7605 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002074/0.4132, allocations: 1.189 MB / 0.8324 GB, free: 12.78 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0004969/0.4137, allocations: 0.7626 MB / 0.8331 GB, free: 12.32 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.001079/0.4148, allocations: 0.9403 MB / 0.834 GB, free: 11.89 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.002771/0.4176, allocations: 2.708 MB / 0.8367 GB, free: 10.71 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 4.408e-06/0.4176, allocations: 4.562 kB / 0.8367 GB, free: 10.71 MB / 0.7605 GB Notification: Performance of FrontEnd: time 8.91e-07/0.4176, allocations: 1.25 kB / 0.8367 GB, free: 10.71 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 5.621e-05/0.4176, allocations: 1.031 kB / 0.8367 GB, free: 10.71 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: 425 * Number of variables: 425 Notification: Performance of Generate backend data structure: time 0.002926/0.4206, allocations: 3.022 MB / 0.8396 GB, free: 8.859 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 3.022e-05/0.4206, allocations: 10.41 kB / 0.8397 GB, free: 8.859 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006603/0.4213, allocations: 395.4 kB / 0.84 GB, free: 8.801 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00188/0.4231, allocations: 1.608 MB / 0.8416 GB, free: 7.91 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.989e-05/0.4232, allocations: 134.3 kB / 0.8417 GB, free: 7.852 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001555/0.4234, allocations: 177.8 kB / 0.8419 GB, free: 7.797 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00138/0.4248, allocations: 1.415 MB / 0.8433 GB, free: 7.105 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.831e-05/0.4248, allocations: 2.125 kB / 0.8433 GB, free: 7.105 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.192e-05/0.4249, allocations: 75.62 kB / 0.8434 GB, free: 7.051 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.308e-05/0.4249, allocations: 43.97 kB / 0.8434 GB, free: 7.051 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006232/0.4255, allocations: 423.2 kB / 0.8438 GB, free: 6.98 MB / 0.7605 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 0.003869/0.4294, allocations: 4.768 MB / 0.8485 GB, free: 3.922 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003906/0.4298, allocations: 329.5 kB / 0.8488 GB, free: 3.773 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001138/0.4299, allocations: 112.2 kB / 0.8489 GB, free: 3.738 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001656/0.4301, allocations: 90.58 kB / 0.849 GB, free: 3.707 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.893e-05/0.4301, allocations: 50.89 kB / 0.849 GB, free: 3.652 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=57): time 1.724e-06/0.4301, allocations: 0 / 0.849 GB, free: 3.652 MB / 0.7605 GB Notification: Performance of matching and sorting (n=57): time 0.0004621/0.4305, allocations: 369.2 kB / 0.8494 GB, free: 3.535 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.612e-05/0.4306, allocations: 118.5 kB / 0.8495 GB, free: 3.402 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009199/0.4315, allocations: 1.485 MB / 0.8509 GB, free: 2.816 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 4.324e-05/0.4315, allocations: 46.95 kB / 0.851 GB, free: 2.773 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003017/0.4318, allocations: 0.8411 MB / 0.8518 GB, free: 2.168 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 8.361e-05/0.4319, allocations: 215.7 kB / 0.852 GB, free: 1.996 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001599/0.4321, allocations: 204.9 kB / 0.8522 GB, free: 1.891 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 4.018e-05/0.4321, allocations: 342.8 kB / 0.8525 GB, free: 1.574 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001145/0.4322, allocations: 94.61 kB / 0.8526 GB, free: 1.543 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000266/0.4325, allocations: 0.9644 MB / 0.8536 GB, free: 448 kB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003905/0.4329, allocations: 0.5699 MB / 0.8541 GB, free: 15.96 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.609e-06/0.4329, allocations: 3 kB / 0.8541 GB, free: 15.96 MB / 0.7761 GB Notification: Performance of matching and sorting (n=111) (initialization): time 0.000576/0.4335, allocations: 0.5744 MB / 0.8547 GB, free: 15.71 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 1.609e-05/0.4335, allocations: 10 kB / 0.8547 GB, free: 15.71 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.103e-05/0.4335, allocations: 13.17 kB / 0.8547 GB, free: 15.71 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.444e-05/0.4335, allocations: 12.88 kB / 0.8547 GB, free: 15.71 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000409/0.4339, allocations: 228.5 kB / 0.8549 GB, free: 15.65 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.097e-05/0.4339, allocations: 19.91 kB / 0.855 GB, free: 15.64 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004694/0.4344, allocations: 130.2 kB / 0.8551 GB, free: 15.57 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.812e-05/0.4344, allocations: 33.38 kB / 0.8551 GB, free: 15.56 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002947/0.4347, allocations: 195.9 kB / 0.8553 GB, free: 15.44 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004045/0.4351, allocations: 0.9552 MB / 0.8562 GB, free: 14.33 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004204/0.4356, allocations: 0.5624 MB / 0.8568 GB, free: 13.86 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.817e-06/0.4356, allocations: 2.875 kB / 0.8568 GB, free: 13.86 MB / 0.7761 GB Notification: Performance of matching and sorting (n=111) (initialization_lambda0): time 0.0005543/0.4361, allocations: 0.5845 MB / 0.8573 GB, free: 13.6 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 9.869e-06/0.4361, allocations: 11.12 kB / 0.8574 GB, free: 13.6 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.453e-06/0.4361, allocations: 13.19 kB / 0.8574 GB, free: 13.6 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.057e-06/0.4362, allocations: 14.47 kB / 0.8574 GB, free: 13.6 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003665/0.4365, allocations: 220 kB / 0.8576 GB, free: 13.55 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.125e-05/0.4365, allocations: 21.16 kB / 0.8576 GB, free: 13.54 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004437/0.437, allocations: 122.1 kB / 0.8577 GB, free: 13.48 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.304e-05/0.437, allocations: 36.25 kB / 0.8578 GB, free: 13.47 MB / 0.7761 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 11 (chi.eff.swiCoo.u2,chi.eff.swiHea.u2,chi.eff.hea,chi.notCoo.y,chi.conCoo.y,chi.refCyc.refCycChiHea.iceFacCal.conIsAirSource.y,chi.refCyc.refCycChiCoo.iceFacCal.conIsAirSource.y,chi.hys.y,$PRE.chi.hys.y,chi.eff.hys.y,$PRE.chi.eff.hys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (111): * Single equations (assignments): 111 * 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 0.0001422/0.4372, allocations: 256.1 kB / 0.858 GB, free: 13.23 MB / 0.7761 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001245/0.4373, allocations: 125.9 kB / 0.8581 GB, free: 13.16 MB / 0.7761 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006151/0.4379, allocations: 0.5442 MB / 0.8587 GB, free: 12.64 MB / 0.7761 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.374e-05/0.4379, allocations: 12 kB / 0.8587 GB, free: 12.62 MB / 0.7761 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.384e-06/0.4379, allocations: 7.922 kB / 0.8587 GB, free: 12.62 MB / 0.7761 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002388/0.4382, allocations: 306.5 kB / 0.859 GB, free: 12.29 MB / 0.7761 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001473/0.4396, allocations: 1.434 MB / 0.8604 GB, free: 10.95 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.729e-06/0.4396, allocations: 4 kB / 0.8604 GB, free: 10.95 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002795/0.4399, allocations: 126 kB / 0.8605 GB, free: 10.82 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.901e-06/0.4399, allocations: 8 kB / 0.8605 GB, free: 10.82 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.554e-05/0.4399, allocations: 16 kB / 0.8605 GB, free: 10.8 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.769e-06/0.44, allocations: 7.984 kB / 0.8605 GB, free: 10.79 MB / 0.7761 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.837e-06/0.44, allocations: 7.938 kB / 0.8605 GB, free: 10.79 MB / 0.7761 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005939/0.4405, allocations: 0.6965 MB / 0.8612 GB, free: 10.04 MB / 0.7761 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002693/0.4408, allocations: 218.5 kB / 0.8614 GB, free: 9.824 MB / 0.7761 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001182/0.4409, allocations: 19.98 kB / 0.8614 GB, free: 9.805 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003304/0.4413, allocations: 44 kB / 0.8615 GB, free: 9.762 MB / 0.7761 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.656e-05/0.4414, allocations: 72.27 kB / 0.8616 GB, free: 9.691 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.435e-05/0.4414, allocations: 23.97 kB / 0.8616 GB, free: 9.668 MB / 0.7761 GB Notification: Performance of sorting global known variables: time 0.0005636/0.442, allocations: 0.749 MB / 0.8623 GB, free: 8.98 MB / 0.7761 GB Notification: Performance of sort global known variables: time 8e-08/0.442, allocations: 0 / 0.8623 GB, free: 8.98 MB / 0.7761 GB Notification: Performance of remove unused functions: time 0.001359/0.4433, allocations: 0.9967 MB / 0.8633 GB, free: 7.98 MB / 0.7761 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (chi.con.vol.dynBal.U,chi.eva.vol.dynBal.U) * Number of discrete variables: 2 (chi.eff.hys.y,chi.hys.y) * Number of discrete states: 2 (chi.eff.hys.y,chi.hys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (61): * Single equations (assignments): 55 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * 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 0.001206/0.4445, allocations: 0.6481 MB / 0.8639 GB, free: 7.562 MB / 0.7761 GB Notification: Performance of simCode: created initialization part: time 0.0006507/0.4452, allocations: 0.6424 MB / 0.8645 GB, free: 6.938 MB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 2.459e-05/0.4452, allocations: 24.5 kB / 0.8646 GB, free: 6.914 MB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 0.0001699/0.4454, allocations: 169.5 kB / 0.8647 GB, free: 6.75 MB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001492/0.4469, allocations: 0.7423 MB / 0.8655 GB, free: 6.039 MB / 0.7761 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003629/0.4505, allocations: 3.299 MB / 0.8687 GB, free: 2.66 MB / 0.7761 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006901/0.4512, allocations: 0.9146 MB / 0.8696 GB, free: 1.711 MB / 0.7761 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001081/0.4523, allocations: 0.6018 MB / 0.8702 GB, free: 1.105 MB / 0.7761 GB Notification: Performance of SimCode: time 6.41e-07/0.4523, allocations: 0 / 0.8702 GB, free: 1.105 MB / 0.7761 GB Notification: Performance of Templates: time 0.02722/0.4795, allocations: 31.43 MB / 0.9008 GB, free: 1.949 MB / 0.8073 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.pipe ; mkfifo Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.pipe >> ../files/Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.sim & ./Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D > Buildings_13_Buildings.Fluid.Chillers.ModularReversible.Validation.TableData2D.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 7.213199758902192]