Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.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 0.001791/0.001791, allocations: 80.41 kB / 20.23 MB, free: 4.203 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 0.00217/0.00217, allocations: 161.7 kB / 23.54 MB, free: 0.8945 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 1.463/1.463, allocations: 177.2 MB / 203.9 MB, free: 5.582 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 2.912/2.912, allocations: 377.8 MB / 0.6232 GB, free: 8.539 MB / 0.5886 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.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.Examples.Tutorial.SimpleHouse.SimpleHouse1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|walCap.T",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1") translateModel(Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|walCap.T",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.382e-06/1.382e-06, allocations: 0 / 0.8108 GB, free: 2.125 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.455e-05/2.593e-05, allocations: 4.703 kB / 0.8108 GB, free: 2.121 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1): time 0.00776/0.007786, allocations: 4.68 MB / 0.8154 GB, free: 13.44 MB / 0.7761 GB Notification: Performance of NFInst.instExpressions: time 0.1876/0.1954, allocations: 132.8 MB / 0.945 GB, free: 8.207 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008767/0.1963, allocations: 23.81 kB / 0.945 GB, free: 8.184 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.0008396/0.1971, allocations: 214 kB / 0.9452 GB, free: 7.973 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.002766/0.1999, allocations: 0.5863 MB / 0.9458 GB, free: 7.383 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.00245/0.2023, allocations: 0.8647 MB / 0.9467 GB, free: 6.516 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.002424/0.2048, allocations: 1.521 MB / 0.9482 GB, free: 4.984 MB / 0.9011 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009839/0.2057, allocations: 406.2 kB / 0.9485 GB, free: 4.57 MB / 0.9011 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001801/0.2075, allocations: 0.7679 MB / 0.9493 GB, free: 3.801 MB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009249/0.2085, allocations: 422.8 kB / 0.9497 GB, free: 3.387 MB / 0.9011 GB Notification: Performance of NFPackage.collectConstants: time 0.0003087/0.2088, allocations: 128 kB / 0.9498 GB, free: 3.262 MB / 0.9011 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001259/0.21, allocations: 0.4993 MB / 0.9503 GB, free: 2.762 MB / 0.9011 GB Notification: Performance of NFScalarize.scalarize: time 0.000447/0.2105, allocations: 315 kB / 0.9506 GB, free: 2.453 MB / 0.9011 GB Notification: Performance of NFVerifyModel.verify: time 0.0007043/0.2112, allocations: 414.9 kB / 0.951 GB, free: 2.047 MB / 0.9011 GB Notification: Performance of NFConvertDAE.convert: time 0.002998/0.2142, allocations: 1.846 MB / 0.9528 GB, free: 200 kB / 0.9011 GB Notification: Performance of FrontEnd - DAE generated: time 5.16e-06/0.2142, allocations: 0 / 0.9528 GB, free: 200 kB / 0.9011 GB Notification: Performance of FrontEnd: time 1.413e-06/0.2142, allocations: 0 / 0.9528 GB, free: 200 kB / 0.9011 GB Notification: Performance of Transformations before backend: time 5.628e-05/0.2142, allocations: 0 / 0.9528 GB, free: 200 kB / 0.9011 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 224 * Number of variables: 224 Notification: Performance of Generate backend data structure: time 0.003803/0.218, allocations: 1.455 MB / 0.9542 GB, free: 14.7 MB / 0.9167 GB Notification: Performance of prepare preOptimizeDAE: time 4.542e-05/0.2181, allocations: 8.031 kB / 0.9542 GB, free: 14.69 MB / 0.9167 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001874/0.22, allocations: 355.5 kB / 0.9546 GB, free: 14.34 MB / 0.9167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001678/0.2216, allocations: 0.7493 MB / 0.9553 GB, free: 13.57 MB / 0.9167 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.293e-05/0.2217, allocations: 74.06 kB / 0.9554 GB, free: 13.5 MB / 0.9167 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001856/0.2219, allocations: 95.98 kB / 0.9555 GB, free: 13.41 MB / 0.9167 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002686/0.2246, allocations: 1.212 MB / 0.9566 GB, free: 12.09 MB / 0.9167 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.428e-05/0.2246, allocations: 0 / 0.9566 GB, free: 12.09 MB / 0.9167 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001113/0.2247, allocations: 40 kB / 0.9567 GB, free: 12.05 MB / 0.9167 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.473e-05/0.2248, allocations: 20 kB / 0.9567 GB, free: 12.03 MB / 0.9167 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002178/0.2269, allocations: 1.085 MB / 0.9578 GB, free: 10.95 MB / 0.9167 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 0.005192/0.2321, allocations: 2.291 MB / 0.96 GB, free: 8.598 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001822/0.2339, allocations: 0.8153 MB / 0.9608 GB, free: 7.781 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006663/0.2346, allocations: 303.7 kB / 0.9611 GB, free: 7.48 MB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 7.934e-05/0.2347, allocations: 29.08 kB / 0.9611 GB, free: 7.453 MB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001132/0.2358, allocations: 0.6243 MB / 0.9617 GB, free: 6.785 MB / 0.9167 GB Notification: Performance of pre-optimization done (n=90): time 2.545e-06/0.2358, allocations: 0 / 0.9617 GB, free: 6.785 MB / 0.9167 GB Notification: Performance of matching and sorting (n=90): time 0.003704/0.2395, allocations: 1.211 MB / 0.9629 GB, free: 5.566 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003769/0.2399, allocations: 196.9 kB / 0.9631 GB, free: 5.332 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009933/0.2409, allocations: 0.6291 MB / 0.9637 GB, free: 4.695 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 9.728e-05/0.241, allocations: 49.7 kB / 0.9638 GB, free: 4.641 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004392/0.2414, allocations: 409.3 kB / 0.9641 GB, free: 4.234 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003303/0.2418, allocations: 305.4 kB / 0.9644 GB, free: 3.934 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003336/0.2421, allocations: 186.6 kB / 0.9646 GB, free: 3.742 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0002562/0.2424, allocations: 386.7 kB / 0.965 GB, free: 3.355 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006643/0.243, allocations: 297.8 kB / 0.9653 GB, free: 3.062 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000893/0.2439, allocations: 0.5191 MB / 0.9658 GB, free: 2.5 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001404/0.2453, allocations: 0.6598 MB / 0.9664 GB, free: 1.828 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.106e-06/0.2453, allocations: 0 / 0.9664 GB, free: 1.828 MB / 0.9167 GB Notification: Performance of matching and sorting (n=112) (initialization): time 0.002457/0.2478, allocations: 0.9664 MB / 0.9674 GB, free: 0.8555 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 2.087e-05/0.2478, allocations: 8 kB / 0.9674 GB, free: 0.8477 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.246e-06/0.2478, allocations: 0 / 0.9674 GB, free: 0.8477 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001008/0.2488, allocations: 136.8 kB / 0.9675 GB, free: 0.7109 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007872/0.2496, allocations: 175.8 kB / 0.9677 GB, free: 0.5391 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002466/0.2521, allocations: 1.506 MB / 0.9691 GB, free: 14.92 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007775/0.2528, allocations: 95.56 kB / 0.9692 GB, free: 14.83 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.507e-05/0.2529, allocations: 39.98 kB / 0.9693 GB, free: 14.79 MB / 0.9323 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 27 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (110): * Single equations (assignments): 109 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0004977/0.2534, allocations: 276.4 kB / 0.9695 GB, free: 14.51 MB / 0.9323 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002712/0.2537, allocations: 127.4 kB / 0.9697 GB, free: 14.38 MB / 0.9323 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00301/0.2567, allocations: 1.101 MB / 0.9707 GB, free: 13.27 MB / 0.9323 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.235e-05/0.2567, allocations: 8 kB / 0.9707 GB, free: 13.26 MB / 0.9323 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.586e-06/0.2567, allocations: 0 / 0.9707 GB, free: 13.26 MB / 0.9323 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.1e-05/0.2568, allocations: 3.984 kB / 0.9707 GB, free: 13.25 MB / 0.9323 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004097/0.2608, allocations: 1.917 MB / 0.9726 GB, free: 11.29 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.933e-06/0.2609, allocations: 3.984 kB / 0.9726 GB, free: 11.28 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006867/0.2615, allocations: 159.7 kB / 0.9728 GB, free: 11.12 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007674/0.2623, allocations: 116.8 kB / 0.9729 GB, free: 11.01 MB / 0.9323 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.976e-05/0.2624, allocations: 27.97 kB / 0.9729 GB, free: 10.98 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002245/0.2646, allocations: 1.536 MB / 0.9744 GB, free: 9.336 MB / 0.9323 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.689e-06/0.2646, allocations: 4 kB / 0.9744 GB, free: 9.332 MB / 0.9323 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003218/0.2679, allocations: 1.488 MB / 0.9759 GB, free: 7.824 MB / 0.9323 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000463/0.2683, allocations: 207.2 kB / 0.9761 GB, free: 7.621 MB / 0.9323 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001392/0.2685, allocations: 23.94 kB / 0.9761 GB, free: 7.598 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007079/0.2692, allocations: 67.92 kB / 0.9761 GB, free: 7.531 MB / 0.9323 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000181/0.2693, allocations: 72.86 kB / 0.9762 GB, free: 7.461 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.649e-05/0.2694, allocations: 39.97 kB / 0.9763 GB, free: 7.422 MB / 0.9323 GB Notification: Performance of sorting global known variables: time 0.0006796/0.2701, allocations: 447 kB / 0.9767 GB, free: 6.988 MB / 0.9323 GB Notification: Performance of sort global known variables: time 1.01e-07/0.2701, allocations: 3.938 kB / 0.9767 GB, free: 6.984 MB / 0.9323 GB Notification: Performance of remove unused functions: time 0.00115/0.2713, allocations: 355.1 kB / 0.977 GB, free: 6.637 MB / 0.9323 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (walCap.T) * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k) * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (101): * Single equations (assignments): 90 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002468/0.2737, allocations: 0.6657 MB / 0.9777 GB, free: 6.176 MB / 0.9323 GB Notification: Performance of simCode: created initialization part: time 0.00203/0.2758, allocations: 0.8624 MB / 0.9785 GB, free: 5.301 MB / 0.9323 GB Notification: Performance of simCode: created event and clocks part: time 3.757e-06/0.2758, allocations: 0 / 0.9785 GB, free: 5.301 MB / 0.9323 GB Notification: Performance of simCode: created simulation system equations: time 0.001065/0.2768, allocations: 0.5001 MB / 0.979 GB, free: 4.789 MB / 0.9323 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001329/0.2781, allocations: 329.6 kB / 0.9793 GB, free: 4.488 MB / 0.9323 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003742/0.2819, allocations: 1.824 MB / 0.9811 GB, free: 2.629 MB / 0.9323 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005819/0.2825, allocations: 457.3 kB / 0.9815 GB, free: 2.152 MB / 0.9323 GB Notification: Performance of simCode: alias equations: time 0.0009581/0.2834, allocations: 266.8 kB / 0.9818 GB, free: 1.887 MB / 0.9323 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003692/0.2838, allocations: 112.4 kB / 0.9819 GB, free: 1.777 MB / 0.9323 GB Notification: Performance of SimCode: time 7.62e-07/0.2838, allocations: 4 kB / 0.9819 GB, free: 1.773 MB / 0.9323 GB Notification: Performance of Templates: time 0.0311/0.3149, allocations: 15.93 MB / 0.9975 GB, free: 2.133 MB / 0.948 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.pipe ; mkfifo Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.pipe ; head -c 1048576 < Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.pipe >> ../files/Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.sim & ./Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1 -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Examples_Tutorial_SimpleHouse_SimpleHouse1.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse1.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 8.655701213981956]