Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.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 0.0008577/0.0008577, allocations: 84.86 kB / 21.62 MB, free: 2.836 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 0.0008596/0.0008596, allocations: 163.2 kB / 25.05 MB, free: 9.148 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 0.9171/0.9171, allocations: 177.1 MB / 205.5 MB, free: 5.465 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 1.896/1.896, allocations: 389.6 MB / 0.6363 GB, free: 12.3 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.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u") translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.112e-06/1.112e-06, allocations: 0 / 0.7762 GB, free: 5.254 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.11e-05/1.221e-05, allocations: 2.969 kB / 0.7762 GB, free: 5.25 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.01428/0.01429, allocations: 20.4 MB / 0.7961 GB, free: 0.8242 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.01171/0.026, allocations: 10.37 MB / 0.8062 GB, free: 6.508 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000937/0.02694, allocations: 130.9 kB / 0.8063 GB, free: 6.379 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.002345/0.02928, allocations: 1.63 MB / 0.8079 GB, free: 4.75 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.002472/0.03175, allocations: 2.335 MB / 0.8102 GB, free: 2.422 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.00255/0.03431, allocations: 2.276 MB / 0.8124 GB, free: 156 kB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.006201/0.04051, allocations: 8.841 MB / 0.8211 GB, free: 7.332 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001688/0.04219, allocations: 1.573 MB / 0.8226 GB, free: 5.727 MB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002608/0.0448, allocations: 2.975 MB / 0.8255 GB, free: 2.773 MB / 0.7761 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00112/0.04592, allocations: 1.289 MB / 0.8268 GB, free: 1.48 MB / 0.7761 GB Notification: Performance of NFPackage.collectConstants: time 0.0002027/0.04612, allocations: 188 kB / 0.8269 GB, free: 1.297 MB / 0.7761 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001267/0.04739, allocations: 1.123 MB / 0.828 GB, free: 176 kB / 0.7761 GB Notification: Performance of NFScalarize.scalarize: time 0.000415/0.04781, allocations: 0.7317 MB / 0.8288 GB, free: 15.44 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.0005958/0.0484, allocations: 0.8377 MB / 0.8296 GB, free: 14.6 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.001998/0.0504, allocations: 2.472 MB / 0.832 GB, free: 12.12 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 2.194e-06/0.0504, allocations: 0 / 0.832 GB, free: 12.12 MB / 0.7917 GB Notification: Performance of FrontEnd: time 7.52e-07/0.0504, allocations: 0 / 0.832 GB, free: 12.12 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 1.693e-05/0.05042, allocations: 0 / 0.832 GB, free: 12.12 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 311 * Number of variables: 311 Notification: Performance of Generate backend data structure: time 0.002422/0.05284, allocations: 2.87 MB / 0.8348 GB, free: 9.184 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 2.735e-05/0.05287, allocations: 16.58 kB / 0.8348 GB, free: 9.168 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007819/0.05365, allocations: 435.3 kB / 0.8352 GB, free: 8.742 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002/0.05565, allocations: 1.915 MB / 0.8371 GB, free: 6.73 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.541e-05/0.05571, allocations: 94.45 kB / 0.8372 GB, free: 6.637 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000124/0.05583, allocations: 140 kB / 0.8373 GB, free: 6.5 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001022/0.05685, allocations: 1.22 MB / 0.8385 GB, free: 5.133 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.463e-05/0.05688, allocations: 3.938 kB / 0.8385 GB, free: 5.129 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.875e-05/0.05695, allocations: 56 kB / 0.8386 GB, free: 5.074 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.659e-05/0.05697, allocations: 36 kB / 0.8386 GB, free: 5.039 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004803/0.05745, allocations: 376 kB / 0.839 GB, free: 4.652 MB / 0.7917 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 0.003833/0.06129, allocations: 4.326 MB / 0.8432 GB, free: 184 kB / 0.7917 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005971/0.06188, allocations: 485 kB / 0.8436 GB, free: 15.7 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000201/0.06208, allocations: 166 kB / 0.8438 GB, free: 15.54 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00162/0.0637, allocations: 1.135 MB / 0.8449 GB, free: 14.38 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003642/0.06407, allocations: 490 kB / 0.8454 GB, free: 13.84 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=60): time 1.543e-06/0.06407, allocations: 0 / 0.8454 GB, free: 13.84 MB / 0.8073 GB Notification: Performance of matching and sorting (n=60): time 0.0006952/0.06477, allocations: 485.5 kB / 0.8458 GB, free: 13.35 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.179e-05/0.06481, allocations: 111.3 kB / 0.846 GB, free: 13.22 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001142/0.06595, allocations: 1.634 MB / 0.8475 GB, free: 11.55 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 5.156e-05/0.066, allocations: 45.7 kB / 0.8476 GB, free: 11.5 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003595/0.06636, allocations: 0.72 MB / 0.8483 GB, free: 10.77 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001347/0.0665, allocations: 226 kB / 0.8485 GB, free: 10.55 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001727/0.06667, allocations: 198.4 kB / 0.8487 GB, free: 10.35 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 7.981e-05/0.06675, allocations: 341.9 kB / 0.849 GB, free: 10.01 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002156/0.06696, allocations: 157.3 kB / 0.8492 GB, free: 9.844 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004232/0.06739, allocations: 0.7458 MB / 0.8499 GB, free: 8.875 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000574/0.06796, allocations: 0.6768 MB / 0.8506 GB, free: 8.047 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.424e-06/0.06797, allocations: 7.938 kB / 0.8506 GB, free: 8.039 MB / 0.8073 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.0007318/0.0687, allocations: 0.7121 MB / 0.8513 GB, free: 7.305 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 2.652e-05/0.06873, allocations: 37.7 kB / 0.8513 GB, free: 7.262 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.176e-05/0.06874, allocations: 12 kB / 0.8513 GB, free: 7.25 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.636e-05/0.06875, allocations: 16 kB / 0.8513 GB, free: 7.234 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004583/0.06921, allocations: 235.7 kB / 0.8516 GB, free: 7.004 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.395e-05/0.06923, allocations: 24.02 kB / 0.8516 GB, free: 6.98 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004546/0.06968, allocations: 127.3 kB / 0.8517 GB, free: 6.855 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.213e-05/0.06973, allocations: 39.98 kB / 0.8517 GB, free: 6.816 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003685/0.0701, allocations: 257.4 kB / 0.852 GB, free: 6.551 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004179/0.07052, allocations: 0.7381 MB / 0.8527 GB, free: 5.59 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005541/0.07107, allocations: 0.6778 MB / 0.8534 GB, free: 4.754 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.859e-06/0.07108, allocations: 4 kB / 0.8534 GB, free: 4.75 MB / 0.8073 GB Notification: Performance of matching and sorting (n=118) (initialization_lambda0): time 0.0007396/0.07182, allocations: 0.7152 MB / 0.8541 GB, free: 4.012 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 1.92e-05/0.07184, allocations: 38.58 kB / 0.8541 GB, free: 3.969 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.297e-06/0.07185, allocations: 15.98 kB / 0.8541 GB, free: 3.953 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.256e-06/0.07186, allocations: 12 kB / 0.8541 GB, free: 3.941 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004297/0.07228, allocations: 243.6 kB / 0.8544 GB, free: 3.703 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.178e-05/0.0723, allocations: 23.92 kB / 0.8544 GB, free: 3.68 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004546/0.07275, allocations: 119.4 kB / 0.8545 GB, free: 3.562 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.854e-05/0.0728, allocations: 39.98 kB / 0.8545 GB, free: 3.523 MB / 0.8073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 47 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (116): * Single equations (assignments): 114 * Array equations: 1 * Algorithm blocks: 1 * 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 0.0001547/0.07295, allocations: 258.4 kB / 0.8548 GB, free: 3.266 MB / 0.8073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001292/0.07308, allocations: 127.8 kB / 0.8549 GB, free: 3.141 MB / 0.8073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007256/0.07381, allocations: 0.5808 MB / 0.8555 GB, free: 2.551 MB / 0.8073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.594e-06/0.07382, allocations: 8 kB / 0.8555 GB, free: 2.543 MB / 0.8073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.286e-06/0.07382, allocations: 0 / 0.8555 GB, free: 2.543 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002815/0.0741, allocations: 287.8 kB / 0.8558 GB, free: 2.246 MB / 0.8073 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001727/0.07583, allocations: 1.778 MB / 0.8575 GB, free: 412 kB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.508e-06/0.07583, allocations: 4 kB / 0.8575 GB, free: 408 kB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003294/0.07616, allocations: 147.8 kB / 0.8576 GB, free: 260 kB / 0.8073 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001138/0.07628, allocations: 33.06 kB / 0.8577 GB, free: 224 kB / 0.8073 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.737e-05/0.07631, allocations: 15.98 kB / 0.8577 GB, free: 208 kB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007141/0.07703, allocations: 1.206 MB / 0.8589 GB, free: 14.91 MB / 0.823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.859e-06/0.07703, allocations: 11.86 kB / 0.8589 GB, free: 14.9 MB / 0.823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006878/0.07772, allocations: 0.7532 MB / 0.8596 GB, free: 14.1 MB / 0.823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002922/0.07801, allocations: 258.2 kB / 0.8599 GB, free: 13.85 MB / 0.823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001118/0.07812, allocations: 15.98 kB / 0.8599 GB, free: 13.83 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003875/0.07851, allocations: 47.97 kB / 0.8599 GB, free: 13.79 MB / 0.823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.608e-05/0.07859, allocations: 56.55 kB / 0.86 GB, free: 13.73 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.933e-05/0.07863, allocations: 27.97 kB / 0.86 GB, free: 13.7 MB / 0.823 GB Notification: Performance of sorting global known variables: time 0.0006611/0.07929, allocations: 0.8401 MB / 0.8608 GB, free: 12.84 MB / 0.823 GB Notification: Performance of sort global known variables: time 7e-08/0.07929, allocations: 0 / 0.8608 GB, free: 12.84 MB / 0.823 GB Notification: Performance of remove unused functions: time 0.001525/0.08081, allocations: 0.9198 MB / 0.8617 GB, free: 11.92 MB / 0.823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 5 (vol.dynBal.U,mov.motSpe.y,conPI.I.y,THeaOut.T,hea.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (70): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003695/0.08118, allocations: 261.7 kB / 0.862 GB, free: 11.66 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.0009069/0.08209, allocations: 0.9127 MB / 0.8629 GB, free: 10.71 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 2.248e-05/0.08211, allocations: 20.5 kB / 0.8629 GB, free: 10.69 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 0.0003561/0.08247, allocations: 324.3 kB / 0.8632 GB, free: 10.36 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002016/0.08448, allocations: 1.131 MB / 0.8643 GB, free: 9.254 MB / 0.823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003339/0.08782, allocations: 3.139 MB / 0.8674 GB, free: 6.035 MB / 0.823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003026/0.08813, allocations: 410.5 kB / 0.8677 GB, free: 5.602 MB / 0.823 GB Notification: Performance of simCode: alias equations: time 0.0009642/0.08909, allocations: 413.3 kB / 0.8681 GB, free: 5.195 MB / 0.823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001896/0.09099, allocations: 0.7838 MB / 0.8689 GB, free: 4.395 MB / 0.823 GB Notification: Performance of SimCode: time 8.72e-07/0.09099, allocations: 0 / 0.8689 GB, free: 4.395 MB / 0.823 GB Notification: Performance of Templates: time 0.0464/0.1374, allocations: 42.97 MB / 0.9109 GB, free: 10.52 MB / 0.8698 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & ./Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.706647261045873]