Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001902/0.001902, allocations: 104 kB / 16.4 MB, free: 6.508 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00206/0.00206, allocations: 195.8 kB / 19.35 MB, free: 3.734 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.659/1.659, allocations: 205.1 MB / 227.2 MB, free: 12.15 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro master/package.mo): time 0.07449/0.07449, allocations: 10.97 MB / 287.6 MB, free: 14.89 MB / 238.1 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro_testsuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro_testsuite master/package.mo): time 0.03411/0.03411, allocations: 4.236 MB / 343.3 MB, free: 7.027 MB / 286.1 MB " [Timeout remaining time 180] Using package TAeZoSysPro_testsuite with version (/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro_testsuite master/package.mo) Using package TAeZoSysPro with version (/home/hudson/saved_omc/libraries/.openmodelica/libraries/TAeZoSysPro master/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=100,variableFilter="",fileNamePrefix="TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger") translateModel(TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=100,variableFilter="",fileNamePrefix="TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger") [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002376/0.002376, allocations: 80.3 kB / 458.3 MB, free: 30.13 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1002/0.1026, allocations: 49.74 MB / 0.4961 GB, free: 12.35 MB / 350.1 MB Notification: Performance of NFInst.instantiate(TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger): time 0.2742/0.3768, allocations: 33.45 MB / 0.5288 GB, free: 4.055 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.2103/0.5872, allocations: 145.1 MB / 0.6705 GB, free: 14.05 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006584/0.5879, allocations: 15.88 kB / 0.6705 GB, free: 14.04 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001174/0.5891, allocations: 314 kB / 0.6708 GB, free: 13.73 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005284/0.5945, allocations: 1.435 MB / 0.6722 GB, free: 12.29 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005554/0.6, allocations: 1.479 MB / 0.6737 GB, free: 10.82 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.002906/0.603, allocations: 2.031 MB / 0.6757 GB, free: 8.789 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009217/0.6039, allocations: 0.6111 MB / 0.6762 GB, free: 8.18 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008589/0.6125, allocations: 4.248 MB / 0.6804 GB, free: 3.93 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006955/0.6195, allocations: 4.092 MB / 0.6844 GB, free: 15.83 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002986/0.6199, allocations: 116 kB / 0.6845 GB, free: 15.72 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004505/0.6244, allocations: 1.643 MB / 0.6861 GB, free: 14.07 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0005126/0.6249, allocations: 327.3 kB / 0.6864 GB, free: 13.75 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0008294/0.6258, allocations: 478.2 kB / 0.6869 GB, free: 13.29 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.005929/0.6317, allocations: 2.224 MB / 0.6891 GB, free: 11.05 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/0.6317, allocations: 0 / 0.6891 GB, free: 11.05 MB / 0.4981 GB Notification: Performance of FrontEnd: time 2.805e-06/0.6318, allocations: 0 / 0.6891 GB, free: 11.05 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 2.018e-05/0.6318, allocations: 4 kB / 0.6891 GB, free: 11.05 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 169 * Number of variables: 169 Notification: Performance of Generate backend data structure: time 0.006554/0.6383, allocations: 1.667 MB / 0.6907 GB, free: 9.332 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 5.805e-05/0.6384, allocations: 8.031 kB / 0.6907 GB, free: 9.324 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009078/0.6393, allocations: 132.5 kB / 0.6908 GB, free: 9.195 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009389/0.6403, allocations: 0.5237 MB / 0.6913 GB, free: 8.633 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.83e-05/0.6404, allocations: 57.67 kB / 0.6914 GB, free: 8.574 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000161/0.6405, allocations: 76.33 kB / 0.6915 GB, free: 8.5 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002537/0.6431, allocations: 1.322 MB / 0.6927 GB, free: 7.125 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.821e-05/0.6431, allocations: 0 / 0.6927 GB, free: 7.125 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001078/0.6432, allocations: 24 kB / 0.6928 GB, free: 7.102 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.206e-05/0.6433, allocations: 53.22 kB / 0.6928 GB, free: 7.051 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002717/0.646, allocations: 1.461 MB / 0.6942 GB, free: 5.59 MB / 0.4981 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 0.2908/0.9369, allocations: 9.036 MB / 0.7031 GB, free: 176.7 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002106/0.939, allocations: 1.113 MB / 0.7042 GB, free: 176.5 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001075/0.9401, allocations: 0.6863 MB / 0.7048 GB, free: 176.2 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.03279/0.9729, allocations: 11.8 MB / 0.7164 GB, free: 170.6 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.624e-05/0.973, allocations: 42.53 kB / 0.7164 GB, free: 170.6 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=69): time 3.145e-06/0.973, allocations: 0 / 0.7164 GB, free: 170.6 MB / 0.4981 GB Notification: Performance of matching and sorting (n=69): time 0.004573/0.9776, allocations: 2.262 MB / 0.7186 GB, free: 169.4 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.907e-05/0.9777, allocations: 192.2 kB / 0.7188 GB, free: 169.2 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005866/0.9783, allocations: 475.8 kB / 0.7192 GB, free: 168.9 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 8.273e-05/0.9784, allocations: 42.02 kB / 0.7193 GB, free: 168.9 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001654/0.9785, allocations: 312.2 kB / 0.7196 GB, free: 168.7 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001963/0.9787, allocations: 287.1 kB / 0.7198 GB, free: 168.4 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003731/0.9791, allocations: 219.6 kB / 0.7201 GB, free: 168.3 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001029/0.9792, allocations: 377 kB / 0.7204 GB, free: 168 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001027/0.9803, allocations: 0.6746 MB / 0.7211 GB, free: 167.6 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001387/0.9817, allocations: 0.8846 MB / 0.7219 GB, free: 167 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002489/0.9842, allocations: 1.59 MB / 0.7235 GB, free: 166.1 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.244e-06/0.9842, allocations: 1.875 kB / 0.7235 GB, free: 166.1 MB / 0.4981 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.003108/0.9873, allocations: 1.777 MB / 0.7252 GB, free: 165.2 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 2.975e-05/0.9873, allocations: 11.88 kB / 0.7252 GB, free: 165.2 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.338e-05/0.9873, allocations: 4.188 kB / 0.7252 GB, free: 165.2 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003558/0.9909, allocations: 466.6 kB / 0.7257 GB, free: 165 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001892/0.9928, allocations: 379.2 kB / 0.7261 GB, free: 164.9 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007262/0.9936, allocations: 1.17 MB / 0.7272 GB, free: 163.7 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009659/0.9945, allocations: 158.8 kB / 0.7273 GB, free: 163.7 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.945e-05/0.9946, allocations: 48.83 kB / 0.7274 GB, free: 163.6 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * 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 (120): * Single equations (assignments): 118 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0004158/0.9951, allocations: 258 kB / 0.7276 GB, free: 163.4 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001846/0.9953, allocations: 60.5 kB / 0.7277 GB, free: 163.4 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002843/0.9981, allocations: 2.063 MB / 0.7297 GB, free: 162.2 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.649e-05/0.9981, allocations: 11.98 kB / 0.7297 GB, free: 162.2 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.324e-06/0.9981, allocations: 1.5 kB / 0.7297 GB, free: 162.2 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.019e-05/0.9982, allocations: 5.203 kB / 0.7297 GB, free: 162.2 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0036/1.002, allocations: 3.119 MB / 0.7328 GB, free: 160.3 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.051e-06/1.002, allocations: 1.719 kB / 0.7328 GB, free: 160.3 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001799/1.004, allocations: 337.9 kB / 0.7331 GB, free: 160.1 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.003385/1.007, allocations: 0.6495 MB / 0.7337 GB, free: 159.9 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001553/1.007, allocations: 44.17 kB / 0.7338 GB, free: 159.8 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007882/1.008, allocations: 1.481 MB / 0.7352 GB, free: 158.5 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.426e-06/1.008, allocations: 6.719 kB / 0.7352 GB, free: 158.5 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003028/1.011, allocations: 2.823 MB / 0.738 GB, free: 156.8 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001724/1.011, allocations: 151.5 kB / 0.7381 GB, free: 156.7 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001496/1.011, allocations: 39.14 kB / 0.7382 GB, free: 156.7 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008343/1.012, allocations: 76.14 kB / 0.7382 GB, free: 156.6 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001263/1.012, allocations: 63.64 kB / 0.7383 GB, free: 156.6 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.805e-05/1.012, allocations: 32.58 kB / 0.7383 GB, free: 156.6 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0003579/1.013, allocations: 398.8 kB / 0.7387 GB, free: 156.2 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.4e-07/1.013, allocations: 0 / 0.7387 GB, free: 156.2 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.001198/1.014, allocations: 435.3 kB / 0.7391 GB, free: 155.7 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 21 (discreteExchanger.E,discreteExchanger.transport_A.u[1,1],discreteExchanger.transport_A.u[2,1],discreteExchanger.transport_A.u[3,1],discreteExchanger.transport_A.u[4,1],discreteExchanger.transport_A.u[5,1],discreteExchanger.transport_A.u[6,1],discreteExchanger.transport_A.u[7,1],discreteExchanger.transport_A.u[8,1],discreteExchanger.transport_A.u[9,1],discreteExchanger.transport_A.u[10,1],discreteExchanger.transport_B.u[1,1],discreteExchanger.transport_B.u[2,1],discreteExchanger.transport_B.u[3,1],discreteExchanger.transport_B.u[4,1],discreteExchanger.transport_B.u[5,1],discreteExchanger.transport_B.u[6,1],discreteExchanger.transport_B.u[7,1],discreteExchanger.transport_B.u[8,1],discreteExchanger.transport_B.u[9,1],discreteExchanger.transport_B.u[10,1]) * 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 (65): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,4), (1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009727/1.015, allocations: 480.2 kB / 0.7396 GB, free: 155.3 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.002046/1.017, allocations: 1.61 MB / 0.7412 GB, free: 153.7 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 4.198e-06/1.017, allocations: 4 kB / 0.7412 GB, free: 153.7 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.0009693/1.018, allocations: 0.7893 MB / 0.7419 GB, free: 152.9 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001476/1.019, allocations: 279.9 kB / 0.7422 GB, free: 152.7 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002449/1.022, allocations: 2.229 MB / 0.7444 GB, free: 150.4 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003478/1.022, allocations: 0.978 MB / 0.7453 GB, free: 149.4 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.0008787/1.023, allocations: 407.8 kB / 0.7457 GB, free: 149 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002943/1.024, allocations: 83.36 kB / 0.7458 GB, free: 148.9 MB / 0.4981 GB Notification: Performance of SimCode: time 8.01e-07/1.024, allocations: 0 / 0.7458 GB, free: 148.9 MB / 0.4981 GB Notification: Performance of Templates: time 0.02658/1.05, allocations: 20.43 MB / 0.7657 GB, free: 128.6 MB / 0.4981 GB " [Timeout remaining time 659] make -j1 -f TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.makefile [Timeout 660] (rm -f TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.pipe ; mkfifo TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.pipe ; head -c 1048576 < TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.pipe >> ../files/TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.sim & ./TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger -abortSlowSimulation -alarm=480 -lv LOG_STATS > TAeZoSysPro_testsuite_TAeZoSysPro_testsuite.FluidDynamics.Components.HeatExchangers.test_DiscreteExchanger.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 7.205804726108909]