Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.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 0.001376/0.001376, allocations: 84.22 kB / 20.94 MB, free: 3.605 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 0.00143/0.00143, allocations: 173 kB / 24.25 MB, free: 304 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 0.9615/0.9615, allocations: 177.1 MB / 204.6 MB, free: 5.641 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 0.5889/0.5889, allocations: 115 MB / 376 MB, free: 7.668 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.Validation.Carnot_TCon_LowTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature") translateModel(IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.363e-06/1.363e-06, allocations: 0 / 481.5 MB, free: 11.8 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.195e-05/2.331e-05, allocations: 11.38 kB / 481.5 MB, free: 11.8 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature): time 0.05335/0.05337, allocations: 64.05 MB / 0.5328 GB, free: 8.277 MB / 458.7 MB Notification: Performance of NFInst.instExpressions: time 0.01293/0.06631, allocations: 13.28 MB / 0.5458 GB, free: 10.96 MB / 474.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001228/0.06753, allocations: 87.25 kB / 0.5458 GB, free: 10.88 MB / 474.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001261/0.06879, allocations: 0.6944 MB / 0.5465 GB, free: 10.18 MB / 474.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003474/0.07227, allocations: 2.156 MB / 0.5486 GB, free: 8.008 MB / 474.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002545/0.07481, allocations: 1.635 MB / 0.5502 GB, free: 6.371 MB / 474.7 MB Notification: Performance of NFFlatten.flatten: time 0.003521/0.07833, allocations: 3.23 MB / 0.5534 GB, free: 3.129 MB / 474.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001283/0.07962, allocations: 0.8947 MB / 0.5543 GB, free: 2.203 MB / 474.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002947/0.08256, allocations: 2.003 MB / 0.5562 GB, free: 204 kB / 474.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.000952/0.08352, allocations: 0.8023 MB / 0.557 GB, free: 15.39 MB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001551/0.08367, allocations: 120 kB / 0.5571 GB, free: 15.27 MB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001528/0.0852, allocations: 1.173 MB / 0.5583 GB, free: 14.1 MB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002103/0.08541, allocations: 322.6 kB / 0.5586 GB, free: 13.78 MB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004119/0.08582, allocations: 0.4948 MB / 0.559 GB, free: 13.29 MB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001858/0.08768, allocations: 1.744 MB / 0.5608 GB, free: 11.54 MB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.989e-06/0.08768, allocations: 8 kB / 0.5608 GB, free: 11.53 MB / 490.7 MB Notification: Performance of FrontEnd: time 1.303e-06/0.08769, allocations: 0 / 0.5608 GB, free: 11.53 MB / 490.7 MB Notification: Performance of Transformations before backend: time 1.6e-05/0.0877, allocations: 0 / 0.5608 GB, free: 11.53 MB / 490.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 194 * Number of variables: 194 Notification: Performance of Generate backend data structure: time 0.001909/0.08961, allocations: 1.882 MB / 0.5626 GB, free: 9.594 MB / 490.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.759e-05/0.08965, allocations: 8.031 kB / 0.5626 GB, free: 9.586 MB / 490.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009913/0.09064, allocations: 427.6 kB / 0.563 GB, free: 9.168 MB / 490.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001395/0.09203, allocations: 1.253 MB / 0.5642 GB, free: 7.863 MB / 490.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001316/0.09217, allocations: 66 kB / 0.5643 GB, free: 7.797 MB / 490.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.305e-05/0.09225, allocations: 88 kB / 0.5644 GB, free: 7.711 MB / 490.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001103/0.09335, allocations: 0.8621 MB / 0.5652 GB, free: 6.754 MB / 490.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.539e-05/0.09337, allocations: 3.938 kB / 0.5652 GB, free: 6.75 MB / 490.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.439e-05/0.09342, allocations: 32 kB / 0.5653 GB, free: 6.719 MB / 490.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.513e-05/0.09344, allocations: 20 kB / 0.5653 GB, free: 6.699 MB / 490.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005867/0.09402, allocations: 371.5 kB / 0.5656 GB, free: 6.336 MB / 490.7 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 0.003642/0.09767, allocations: 4.4 MB / 0.5699 GB, free: 1.82 MB / 490.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001057/0.09872, allocations: 422.1 kB / 0.5703 GB, free: 1.391 MB / 490.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001732/0.0989, allocations: 125.8 kB / 0.5705 GB, free: 1.27 MB / 490.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001647/0.09906, allocations: 83.94 kB / 0.5705 GB, free: 1.188 MB / 490.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.693e-05/0.09909, allocations: 49.28 kB / 0.5706 GB, free: 1.129 MB / 490.7 MB Notification: Performance of pre-optimization done (n=44): time 1.492e-06/0.09909, allocations: 3.938 kB / 0.5706 GB, free: 1.125 MB / 490.7 MB Notification: Performance of matching and sorting (n=44): time 0.002726/0.1018, allocations: 1.055 MB / 0.5716 GB, free: 60 kB / 490.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.162e-05/0.1019, allocations: 63.34 kB / 0.5717 GB, free: 15.98 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008088/0.1027, allocations: 0.9374 MB / 0.5726 GB, free: 15.03 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 3.764e-05/0.1027, allocations: 41.7 kB / 0.5726 GB, free: 14.98 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003191/0.103, allocations: 0.6357 MB / 0.5732 GB, free: 14.34 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 8.824e-05/0.1031, allocations: 166.6 kB / 0.5734 GB, free: 14.18 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001684/0.1033, allocations: 172.2 kB / 0.5736 GB, free: 14 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.00011/0.1034, allocations: 0.5004 MB / 0.5741 GB, free: 13.49 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001983/0.1036, allocations: 115.6 kB / 0.5742 GB, free: 13.37 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005041/0.1041, allocations: 0.9949 MB / 0.5751 GB, free: 12.07 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005654/0.1047, allocations: 0.6411 MB / 0.5758 GB, free: 11.25 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.36e-06/0.1047, allocations: 4 kB / 0.5758 GB, free: 11.25 MB / 0.4948 GB Notification: Performance of matching and sorting (n=89) (initialization): time 0.001277/0.1059, allocations: 0.7846 MB / 0.5765 GB, free: 10.45 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.615e-05/0.106, allocations: 12.5 kB / 0.5766 GB, free: 10.44 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.168e-05/0.106, allocations: 15.98 kB / 0.5766 GB, free: 10.42 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004781/0.1064, allocations: 189.4 kB / 0.5767 GB, free: 10.23 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003/0.1067, allocations: 155.7 kB / 0.5769 GB, free: 10.08 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008008/0.1075, allocations: 0.9521 MB / 0.5778 GB, free: 9.098 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004339/0.108, allocations: 111.5 kB / 0.5779 GB, free: 8.988 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.185e-05/0.108, allocations: 51.95 kB / 0.578 GB, free: 8.938 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003222/0.1084, allocations: 244.8 kB / 0.5782 GB, free: 8.695 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004918/0.1088, allocations: 0.9988 MB / 0.5792 GB, free: 7.383 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005464/0.1094, allocations: 0.6427 MB / 0.5798 GB, free: 6.562 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.769e-06/0.1094, allocations: 4 kB / 0.5798 GB, free: 6.559 MB / 0.4948 GB Notification: Performance of matching and sorting (n=89) (initialization_lambda0): time 0.00126/0.1107, allocations: 0.7776 MB / 0.5806 GB, free: 5.77 MB / 0.4948 GB Notification: Performance of prepare postOptimizeDAE: time 1.122e-05/0.1107, allocations: 8 kB / 0.5806 GB, free: 5.762 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.065e-05/0.1107, allocations: 16.03 kB / 0.5806 GB, free: 5.746 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003322/0.111, allocations: 174.6 kB / 0.5808 GB, free: 5.574 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002935/0.1113, allocations: 159.7 kB / 0.5809 GB, free: 5.418 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004669/0.1118, allocations: 0.952 MB / 0.5819 GB, free: 4.434 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004207/0.1122, allocations: 107.6 kB / 0.582 GB, free: 4.328 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.452e-05/0.1122, allocations: 43.98 kB / 0.582 GB, free: 4.285 MB / 0.4948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (75): * Single equations (assignments): 74 * 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 {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0001515/0.1124, allocations: 315.8 kB / 0.5823 GB, free: 3.969 MB / 0.4948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001217/0.1125, allocations: 139.2 kB / 0.5824 GB, free: 3.832 MB / 0.4948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001148/0.1137, allocations: 0.6447 MB / 0.5831 GB, free: 3.176 MB / 0.4948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.171e-05/0.1137, allocations: 12 kB / 0.5831 GB, free: 3.164 MB / 0.4948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.398e-06/0.1137, allocations: 0 / 0.5831 GB, free: 3.164 MB / 0.4948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.683e-06/0.1137, allocations: 3.984 kB / 0.5831 GB, free: 3.16 MB / 0.4948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002161/0.1158, allocations: 1.511 MB / 0.5846 GB, free: 1.57 MB / 0.4948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.64e-06/0.1158, allocations: 4 kB / 0.5846 GB, free: 1.566 MB / 0.4948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001281/0.116, allocations: 60.19 kB / 0.5846 GB, free: 1.508 MB / 0.4948 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003229/0.1163, allocations: 167.4 kB / 0.5848 GB, free: 1.34 MB / 0.4948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.807e-05/0.1163, allocations: 15.98 kB / 0.5848 GB, free: 1.324 MB / 0.4948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005122/0.1168, allocations: 0.9599 MB / 0.5857 GB, free: 340 kB / 0.4948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.375e-06/0.1168, allocations: 8.031 kB / 0.5857 GB, free: 332 kB / 0.4948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00109/0.1179, allocations: 0.8078 MB / 0.5865 GB, free: 15.46 MB / 0.5105 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002228/0.1182, allocations: 199 kB / 0.5867 GB, free: 15.26 MB / 0.5105 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.527e-05/0.1182, allocations: 16.06 kB / 0.5867 GB, free: 15.25 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002832/0.1185, allocations: 43.95 kB / 0.5868 GB, free: 15.2 MB / 0.5105 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.686e-05/0.1186, allocations: 43.88 kB / 0.5868 GB, free: 15.16 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.892e-05/0.1186, allocations: 19.98 kB / 0.5868 GB, free: 15.14 MB / 0.5105 GB Notification: Performance of sorting global known variables: time 0.0005333/0.1192, allocations: 0.5826 MB / 0.5874 GB, free: 14.55 MB / 0.5105 GB Notification: Performance of sort global known variables: time 4.1e-07/0.1192, allocations: 0 / 0.5874 GB, free: 14.55 MB / 0.5105 GB Notification: Performance of remove unused functions: time 0.001081/0.1202, allocations: 0.6274 MB / 0.588 GB, free: 13.92 MB / 0.5105 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (34): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004943/0.1207, allocations: 376 kB / 0.5884 GB, free: 13.55 MB / 0.5105 GB Notification: Performance of simCode: created initialization part: time 0.001007/0.1217, allocations: 0.6877 MB / 0.589 GB, free: 12.86 MB / 0.5105 GB Notification: Performance of simCode: created event and clocks part: time 2.144e-06/0.1217, allocations: 0 / 0.589 GB, free: 12.86 MB / 0.5105 GB Notification: Performance of simCode: created simulation system equations: time 0.0002644/0.122, allocations: 200.7 kB / 0.5892 GB, free: 12.66 MB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009947/0.123, allocations: 434.4 kB / 0.5896 GB, free: 12.25 MB / 0.5105 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002822/0.1258, allocations: 1.878 MB / 0.5915 GB, free: 10.3 MB / 0.5105 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001215/0.1259, allocations: 205.3 kB / 0.5917 GB, free: 10.07 MB / 0.5105 GB Notification: Performance of simCode: alias equations: time 0.0004582/0.1264, allocations: 217.3 kB / 0.5919 GB, free: 9.871 MB / 0.5105 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001189/0.1265, allocations: 80.48 kB / 0.592 GB, free: 9.793 MB / 0.5105 GB Notification: Performance of SimCode: time 7.22e-07/0.1265, allocations: 0 / 0.592 GB, free: 9.793 MB / 0.5105 GB Notification: Performance of Templates: time 0.02271/0.1492, allocations: 22.28 MB / 0.6137 GB, free: 3.977 MB / 0.5261 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.sim & ./IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.054593304172158]