Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.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 0.001572/0.001572, allocations: 92.22 kB / 20.46 MB, free: 4.113 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 0.001927/0.001927, allocations: 157 kB / 23.82 MB, free: 0.75 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 0.9678/0.9678, allocations: 177.1 MB / 204.2 MB, free: 5.25 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.5727/0.5727, allocations: 110.2 MB / 371 MB, free: 12.43 MB / 346.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate") translateModel(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.724e-06/1.724e-06, allocations: 0 / 475.2 MB, free: 15.16 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.357e-05/2.53e-05, allocations: 2.844 kB / 475.2 MB, free: 15.16 MB / 410.7 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate): time 0.1499/0.1499, allocations: 155.5 MB / 0.6159 GB, free: 3.371 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.008319/0.1582, allocations: 3.874 MB / 0.6197 GB, free: 15.49 MB / 0.5417 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009719/0.1592, allocations: 55.5 kB / 0.6197 GB, free: 15.43 MB / 0.5417 GB Notification: Performance of NFTyping.typeComponents: time 0.0008439/0.16, allocations: 285.9 kB / 0.62 GB, free: 15.15 MB / 0.5417 GB Notification: Performance of NFTyping.typeBindings: time 0.001799/0.1618, allocations: 1.084 MB / 0.6211 GB, free: 14.06 MB / 0.5417 GB Notification: Performance of NFTyping.typeClassSections: time 0.001636/0.1635, allocations: 0.9958 MB / 0.622 GB, free: 13.07 MB / 0.5417 GB Notification: Performance of NFFlatten.flatten: time 0.002328/0.1658, allocations: 2.597 MB / 0.6246 GB, free: 10.46 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008971/0.1667, allocations: 0.7204 MB / 0.6253 GB, free: 9.73 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001403/0.1681, allocations: 1.231 MB / 0.6265 GB, free: 8.496 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001309/0.1694, allocations: 0.8354 MB / 0.6273 GB, free: 7.691 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.0001512/0.1696, allocations: 96 kB / 0.6274 GB, free: 7.598 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009892/0.1706, allocations: 0.7287 MB / 0.6281 GB, free: 6.867 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.0002984/0.1709, allocations: 450.7 kB / 0.6285 GB, free: 6.426 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.000354/0.1712, allocations: 435 kB / 0.6289 GB, free: 6 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.001276/0.1725, allocations: 1.32 MB / 0.6302 GB, free: 4.676 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 3.586e-06/0.1725, allocations: 0 / 0.6302 GB, free: 4.676 MB / 0.5417 GB Notification: Performance of FrontEnd: time 1.183e-06/0.1725, allocations: 3.938 kB / 0.6302 GB, free: 4.672 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 1.259e-05/0.1725, allocations: 0 / 0.6302 GB, free: 4.672 MB / 0.5417 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 189 * Number of variables: 189 Notification: Performance of Generate backend data structure: time 0.001456/0.174, allocations: 1.449 MB / 0.6317 GB, free: 3.18 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 3.706e-05/0.174, allocations: 8.031 kB / 0.6317 GB, free: 3.172 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001299/0.1753, allocations: 471.4 kB / 0.6321 GB, free: 2.711 MB / 0.5417 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008854/0.1762, allocations: 0.7466 MB / 0.6328 GB, free: 1.945 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.004e-05/0.1762, allocations: 65.94 kB / 0.6329 GB, free: 1.879 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.828e-05/0.1763, allocations: 83.95 kB / 0.633 GB, free: 1.797 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009937/0.1773, allocations: 1.101 MB / 0.6341 GB, free: 0.5664 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.856e-05/0.1773, allocations: 3.984 kB / 0.6341 GB, free: 0.5625 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.596e-05/0.1774, allocations: 36 kB / 0.6341 GB, free: 0.5273 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.514e-05/0.1774, allocations: 26 kB / 0.6341 GB, free: 0.5 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005566/0.178, allocations: 339.7 kB / 0.6344 GB, free: 176 kB / 0.5417 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 0.002896/0.1809, allocations: 2.506 MB / 0.6369 GB, free: 13.6 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004607/0.1813, allocations: 287.8 kB / 0.6372 GB, free: 13.31 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001674/0.1815, allocations: 116.6 kB / 0.6373 GB, free: 13.19 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001051/0.1816, allocations: 23.98 kB / 0.6373 GB, free: 13.17 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.967e-05/0.1816, allocations: 45.33 kB / 0.6373 GB, free: 13.11 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=39): time 1.683e-06/0.1816, allocations: 0 / 0.6373 GB, free: 13.11 MB / 0.5573 GB Notification: Performance of matching and sorting (n=41): time 0.001536/0.1832, allocations: 0.9337 MB / 0.6383 GB, free: 12.14 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.908e-05/0.1832, allocations: 63.34 kB / 0.6383 GB, free: 12.07 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004554/0.1837, allocations: 0.6165 MB / 0.6389 GB, free: 11.43 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 4.115e-05/0.1837, allocations: 37.7 kB / 0.639 GB, free: 11.39 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002321/0.1839, allocations: 0.5026 MB / 0.6394 GB, free: 10.88 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 9.754e-05/0.184, allocations: 154.7 kB / 0.6396 GB, free: 10.73 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001372/0.1842, allocations: 119.9 kB / 0.6397 GB, free: 10.61 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0001579/0.1843, allocations: 0.5586 MB / 0.6403 GB, free: 10.04 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001621/0.1845, allocations: 85.25 kB / 0.6403 GB, free: 9.949 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002663/0.1848, allocations: 371 kB / 0.6407 GB, free: 9.504 MB / 0.5573 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: volDyn.dynBal.medium.p = volDyn.dynBal.p_start (bou.p = volDyn.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.0007318/0.1855, allocations: 0.5491 MB / 0.6412 GB, free: 8.898 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.783e-06/0.1855, allocations: 4 kB / 0.6412 GB, free: 8.895 MB / 0.5573 GB Notification: Performance of matching and sorting (n=65) (initialization): time 0.0005376/0.186, allocations: 444.9 kB / 0.6417 GB, free: 8.457 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.459e-05/0.186, allocations: 4 kB / 0.6417 GB, free: 8.453 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.957e-06/0.186, allocations: 4 kB / 0.6417 GB, free: 8.449 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.821e-05/0.1861, allocations: 11.94 kB / 0.6417 GB, free: 8.438 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003612/0.1864, allocations: 144.2 kB / 0.6418 GB, free: 8.297 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.1e-05/0.1864, allocations: 11.94 kB / 0.6418 GB, free: 8.285 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003103/0.1867, allocations: 39.95 kB / 0.6419 GB, free: 8.246 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.596e-05/0.1868, allocations: 23.98 kB / 0.6419 GB, free: 8.223 MB / 0.5573 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: volDyn.dynBal.medium.p = volDyn.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (65): * Single equations (assignments): 65 * 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 0.0001622/0.1869, allocations: 188.5 kB / 0.6421 GB, free: 8.027 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.832e-05/0.187, allocations: 87.53 kB / 0.6421 GB, free: 7.941 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.303e-05/0.1871, allocations: 86.83 kB / 0.6422 GB, free: 7.852 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.847e-06/0.1871, allocations: 7.938 kB / 0.6422 GB, free: 7.844 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.058e-06/0.1871, allocations: 0 / 0.6422 GB, free: 7.844 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0003511/0.1875, allocations: 332.1 kB / 0.6426 GB, free: 7.488 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001521/0.189, allocations: 1.294 MB / 0.6438 GB, free: 6.102 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.318e-06/0.189, allocations: 8 kB / 0.6438 GB, free: 6.094 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003121/0.1893, allocations: 124.2 kB / 0.6439 GB, free: 5.973 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.987e-06/0.1893, allocations: 4 kB / 0.6439 GB, free: 5.969 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.667e-05/0.1894, allocations: 12 kB / 0.644 GB, free: 5.957 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.889e-06/0.1894, allocations: 15.86 kB / 0.644 GB, free: 5.941 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.777e-06/0.1894, allocations: 4 kB / 0.644 GB, free: 5.938 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006732/0.19, allocations: 0.666 MB / 0.6446 GB, free: 5.199 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001927/0.1902, allocations: 143.4 kB / 0.6448 GB, free: 5.059 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.673e-05/0.1903, allocations: 16 kB / 0.6448 GB, free: 5.043 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003082/0.1906, allocations: 35.95 kB / 0.6448 GB, free: 5.008 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.14e-05/0.1907, allocations: 43.83 kB / 0.6449 GB, free: 4.965 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.985e-05/0.1907, allocations: 23.98 kB / 0.6449 GB, free: 4.941 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0002783/0.191, allocations: 395 kB / 0.6453 GB, free: 4.562 MB / 0.5573 GB Notification: Performance of sort global known variables: time 7e-08/0.191, allocations: 0 / 0.6453 GB, free: 4.562 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.000449/0.1914, allocations: 252 kB / 0.6455 GB, free: 4.316 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 2 (volDyn.dynBal.medium.Xi[1],volDyn.dynBal.U) * 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 (41): * Single equations (assignments): 41 * 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 Backend phase and start with SimCode phase: time 0.0002414/0.1917, allocations: 163 kB / 0.6457 GB, free: 4.145 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.0004519/0.1921, allocations: 308.4 kB / 0.6459 GB, free: 3.836 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 2.364e-06/0.1921, allocations: 0 / 0.6459 GB, free: 3.836 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0001759/0.1923, allocations: 140.6 kB / 0.6461 GB, free: 3.695 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001052/0.1934, allocations: 465 kB / 0.6465 GB, free: 3.258 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002222/0.1956, allocations: 1.616 MB / 0.6481 GB, free: 1.547 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001342/0.1957, allocations: 215.2 kB / 0.6483 GB, free: 1.316 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.0003733/0.1961, allocations: 161.8 kB / 0.6485 GB, free: 1.156 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001562/0.1962, allocations: 60.48 kB / 0.6485 GB, free: 1.098 MB / 0.5573 GB Notification: Performance of SimCode: time 6.21e-07/0.1962, allocations: 0 / 0.6485 GB, free: 1.098 MB / 0.5573 GB Notification: Performance of Templates: time 0.2374/0.4336, allocations: 16.44 MB / 0.6646 GB, free: 39.39 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.makefile [Timeout 660] (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeMoistureReverseFlowPrescribedHeatFlowRate.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.290984014049172]