Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.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 0.001212/0.001212, allocations: 80.88 kB / 20.82 MB, free: 3.629 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 0.001375/0.001375, allocations: 165 kB / 24.25 MB, free: 208 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 0.9642/0.9642, allocations: 177.2 MB / 204.7 MB, free: 5.441 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 1.843/1.843, allocations: 389.6 MB / 0.6355 GB, free: 12.26 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_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T") translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.653e-06/1.653e-06, allocations: 0 / 0.7754 GB, free: 5.211 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.043e-05/2.208e-05, allocations: 2.969 kB / 0.7754 GB, free: 5.207 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T): time 0.01801/0.01803, allocations: 16.96 MB / 0.792 GB, free: 4.23 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.01757/0.0356, allocations: 10.12 MB / 0.8019 GB, free: 10.15 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002792/0.03839, allocations: 119 kB / 0.802 GB, free: 10.03 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.004309/0.0427, allocations: 1.628 MB / 0.8036 GB, free: 8.402 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.005241/0.04794, allocations: 2.168 MB / 0.8057 GB, free: 6.242 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.004793/0.05274, allocations: 2.229 MB / 0.8079 GB, free: 4.02 MB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.009726/0.06246, allocations: 8.112 MB / 0.8158 GB, free: 11.93 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002728/0.06519, allocations: 1.379 MB / 0.8171 GB, free: 10.54 MB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004108/0.0693, allocations: 2.633 MB / 0.8197 GB, free: 7.918 MB / 0.7761 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001838/0.07114, allocations: 1.165 MB / 0.8208 GB, free: 6.75 MB / 0.7761 GB Notification: Performance of NFPackage.collectConstants: time 0.000392/0.07153, allocations: 164 kB / 0.821 GB, free: 6.59 MB / 0.7761 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001734/0.07326, allocations: 1.146 MB / 0.8221 GB, free: 5.441 MB / 0.7761 GB Notification: Performance of NFScalarize.scalarize: time 0.000718/0.07398, allocations: 0.685 MB / 0.8228 GB, free: 4.754 MB / 0.7761 GB Notification: Performance of NFVerifyModel.verify: time 0.0008169/0.0748, allocations: 0.7636 MB / 0.8235 GB, free: 3.988 MB / 0.7761 GB Notification: Performance of NFConvertDAE.convert: time 0.002933/0.07773, allocations: 2.394 MB / 0.8259 GB, free: 1.586 MB / 0.7761 GB Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.07773, allocations: 0 / 0.8259 GB, free: 1.586 MB / 0.7761 GB Notification: Performance of FrontEnd: time 1.082e-06/0.07773, allocations: 0 / 0.8259 GB, free: 1.586 MB / 0.7761 GB Notification: Performance of Transformations before backend: time 6.344e-05/0.0778, allocations: 0 / 0.8259 GB, free: 1.586 MB / 0.7761 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 282 * Number of variables: 282 Notification: Performance of Generate backend data structure: time 0.003031/0.08083, allocations: 2.754 MB / 0.8286 GB, free: 14.77 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 3.869e-05/0.08087, allocations: 12.58 kB / 0.8286 GB, free: 14.76 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00193/0.0828, allocations: 0.7411 MB / 0.8293 GB, free: 14.02 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002387/0.08519, allocations: 1.872 MB / 0.8311 GB, free: 12.05 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.744e-05/0.08524, allocations: 86.22 kB / 0.8312 GB, free: 11.96 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001277/0.08537, allocations: 132 kB / 0.8313 GB, free: 11.84 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001403/0.08677, allocations: 1.266 MB / 0.8326 GB, free: 10.43 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.417e-05/0.0868, allocations: 7.938 kB / 0.8326 GB, free: 10.43 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.246e-05/0.08687, allocations: 44 kB / 0.8326 GB, free: 10.38 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.731e-05/0.0869, allocations: 31.94 kB / 0.8326 GB, free: 10.35 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007229/0.08762, allocations: 464.9 kB / 0.8331 GB, free: 9.875 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 0.005341/0.09296, allocations: 4.619 MB / 0.8376 GB, free: 5.09 MB / 0.7917 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009214/0.09388, allocations: 0.6039 MB / 0.8382 GB, free: 4.477 MB / 0.7917 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002587/0.09414, allocations: 213.5 kB / 0.8384 GB, free: 4.266 MB / 0.7917 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002077/0.09622, allocations: 1.182 MB / 0.8395 GB, free: 3.066 MB / 0.7917 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004243/0.09664, allocations: 457.2 kB / 0.84 GB, free: 2.578 MB / 0.7917 GB Notification: Performance of pre-optimization done (n=57): time 3.006e-06/0.09665, allocations: 3.938 kB / 0.84 GB, free: 2.574 MB / 0.7917 GB Notification: Performance of matching and sorting (n=57): time 0.000945/0.09759, allocations: 0.5729 MB / 0.8405 GB, free: 1.992 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.617e-05/0.09763, allocations: 63.84 kB / 0.8406 GB, free: 1.918 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001214/0.09884, allocations: 1.669 MB / 0.8422 GB, free: 224 kB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 5.569e-05/0.0989, allocations: 37.7 kB / 0.8423 GB, free: 180 kB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003615/0.09926, allocations: 0.6927 MB / 0.8429 GB, free: 15.47 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003753/0.09963, allocations: 230.1 kB / 0.8432 GB, free: 15.24 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00021/0.09984, allocations: 190.5 kB / 0.8433 GB, free: 15.05 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 8.089e-05/0.09992, allocations: 345.9 kB / 0.8437 GB, free: 14.71 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003119/0.1002, allocations: 217.3 kB / 0.8439 GB, free: 14.48 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005192/0.1008, allocations: 0.8274 MB / 0.8447 GB, free: 13.42 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006921/0.1014, allocations: 0.7553 MB / 0.8454 GB, free: 12.5 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.502e-06/0.1015, allocations: 4 kB / 0.8454 GB, free: 12.5 MB / 0.8073 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.0009274/0.1024, allocations: 0.8103 MB / 0.8462 GB, free: 11.67 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 3.211e-05/0.1024, allocations: 35.95 kB / 0.8463 GB, free: 11.63 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.214e-05/0.1024, allocations: 12 kB / 0.8463 GB, free: 11.62 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.681e-05/0.1024, allocations: 20 kB / 0.8463 GB, free: 11.6 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007102/0.1032, allocations: 307.5 kB / 0.8466 GB, free: 11.3 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.384e-05/0.1032, allocations: 23.92 kB / 0.8466 GB, free: 11.27 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006751/0.1038, allocations: 191.1 kB / 0.8468 GB, free: 11.09 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.711e-05/0.1039, allocations: 43.97 kB / 0.8468 GB, free: 11.04 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000482/0.1044, allocations: 317.4 kB / 0.8471 GB, free: 10.72 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005051/0.1049, allocations: 0.8118 MB / 0.8479 GB, free: 9.672 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006664/0.1056, allocations: 0.7526 MB / 0.8487 GB, free: 8.75 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.097e-06/0.1056, allocations: 4 kB / 0.8487 GB, free: 8.746 MB / 0.8073 GB Notification: Performance of matching and sorting (n=118) (initialization_lambda0): time 0.001154/0.1067, allocations: 0.8183 MB / 0.8495 GB, free: 7.906 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 2.592e-05/0.1067, allocations: 41.69 kB / 0.8495 GB, free: 7.859 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.716e-06/0.1068, allocations: 12 kB / 0.8495 GB, free: 7.848 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.036e-05/0.1068, allocations: 16 kB / 0.8495 GB, free: 7.832 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006607/0.1074, allocations: 304 kB / 0.8498 GB, free: 7.535 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.329e-05/0.1074, allocations: 23.92 kB / 0.8498 GB, free: 7.512 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006466/0.1081, allocations: 167.4 kB / 0.85 GB, free: 7.348 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.375e-05/0.1082, allocations: 47.97 kB / 0.85 GB, free: 7.301 MB / 0.8073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 51 * 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 0.000177/0.1083, allocations: 243.8 kB / 0.8503 GB, free: 7.055 MB / 0.8073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001447/0.1085, allocations: 131.8 kB / 0.8504 GB, free: 6.926 MB / 0.8073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009441/0.1094, allocations: 0.7213 MB / 0.8511 GB, free: 6.191 MB / 0.8073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.875e-06/0.1094, allocations: 7.938 kB / 0.8511 GB, free: 6.184 MB / 0.8073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.759e-06/0.1094, allocations: 4 kB / 0.8511 GB, free: 6.18 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0004528/0.1099, allocations: 0.5175 MB / 0.8516 GB, free: 5.609 MB / 0.8073 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001835/0.1117, allocations: 1.385 MB / 0.853 GB, free: 4.184 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.586e-06/0.1117, allocations: 0 / 0.853 GB, free: 4.184 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005274/0.1122, allocations: 187.8 kB / 0.8532 GB, free: 4 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001188/0.1124, allocations: 32.84 kB / 0.8532 GB, free: 3.965 MB / 0.8073 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.659e-05/0.1124, allocations: 23.97 kB / 0.8532 GB, free: 3.941 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006436/0.1131, allocations: 1.206 MB / 0.8544 GB, free: 2.652 MB / 0.8073 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.162e-06/0.1131, allocations: 0 / 0.8544 GB, free: 2.652 MB / 0.8073 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009167/0.114, allocations: 0.8513 MB / 0.8552 GB, free: 1.77 MB / 0.8073 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003428/0.1143, allocations: 246.4 kB / 0.8555 GB, free: 1.527 MB / 0.8073 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001345/0.1145, allocations: 19.94 kB / 0.8555 GB, free: 1.508 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005295/0.115, allocations: 95.91 kB / 0.8556 GB, free: 1.414 MB / 0.8073 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.502e-05/0.1151, allocations: 52.48 kB / 0.8556 GB, free: 1.363 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.896e-05/0.1151, allocations: 24.03 kB / 0.8556 GB, free: 1.34 MB / 0.8073 GB Notification: Performance of sorting global known variables: time 0.0009094/0.116, allocations: 0.8486 MB / 0.8565 GB, free: 484 kB / 0.8073 GB Notification: Performance of sort global known variables: time 1.6e-07/0.116, allocations: 0 / 0.8565 GB, free: 484 kB / 0.8073 GB Notification: Performance of remove unused functions: time 0.001371/0.1174, allocations: 0.881 MB / 0.8573 GB, free: 15.59 MB / 0.823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 5 (vol.dynBal.U,mov.motSpe.y,conPI.I.y,THeaOut.T,hea.outCon.T) * 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 (65): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * 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 0.00122/0.1186, allocations: 0.5938 MB / 0.8579 GB, free: 15.18 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.001452/0.1201, allocations: 1.096 MB / 0.859 GB, free: 14.05 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 3.363e-05/0.1201, allocations: 24.5 kB / 0.859 GB, free: 14.02 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 0.0005233/0.1206, allocations: 389.6 kB / 0.8594 GB, free: 13.64 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00242/0.123, allocations: 1.017 MB / 0.8604 GB, free: 12.65 MB / 0.823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003873/0.1269, allocations: 3.072 MB / 0.8634 GB, free: 9.512 MB / 0.823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005461/0.1275, allocations: 410.1 kB / 0.8638 GB, free: 9.082 MB / 0.823 GB Notification: Performance of simCode: alias equations: time 0.001344/0.1288, allocations: 473 kB / 0.8642 GB, free: 8.617 MB / 0.823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001484/0.1303, allocations: 0.7448 MB / 0.8649 GB, free: 7.852 MB / 0.823 GB Notification: Performance of SimCode: time 1.493e-06/0.1303, allocations: 0 / 0.8649 GB, free: 7.852 MB / 0.823 GB Notification: Performance of Templates: time 0.04829/0.1786, allocations: 42.08 MB / 0.906 GB, free: 14.76 MB / 0.8698 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; mkfifo Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe >> ../files/Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.sim & ./Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.767022894695401]