Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.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 0.0008424/0.0008424, allocations: 80.88 kB / 19.94 MB, free: 4.547 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 0.0008706/0.0008706, allocations: 181 kB / 23.36 MB, free: 1.133 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 0.8647/0.8647, allocations: 177.2 MB / 203.8 MB, free: 5.48 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/package.mo): time 0.007238/0.007238, allocations: 2 MB / 262.3 MB, free: 10.94 MB / 250.7 MB " [Timeout remaining time 180] Using package ExternalMedia with version 4.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/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(ExternalMedia.Test.GenericModels.TestRunnerTranscritical,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical") translateModel(ExternalMedia.Test.GenericModels.TestRunnerTranscritical,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.242e-06/1.242e-06, allocations: 0 / 279.5 MB, free: 9.652 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.036e-05/1.16e-05, allocations: 6.312 kB / 279.6 MB, free: 9.645 MB / 266.7 MB Notification: Performance of NFInst.instantiate(ExternalMedia.Test.GenericModels.TestRunnerTranscritical): time 0.1113/0.1113, allocations: 23.4 MB / 303 MB, free: 13.51 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01585/0.1271, allocations: 21.21 MB / 324.2 MB, free: 13.2 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007418/0.1279, allocations: 12 kB / 324.2 MB, free: 13.19 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.000588/0.1285, allocations: 341.3 kB / 324.5 MB, free: 12.86 MB / 282.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01316/0.1416, allocations: 6.747 MB / 331.2 MB, free: 6.082 MB / 282.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002655/0.1443, allocations: 1.582 MB / 332.8 MB, free: 4.496 MB / 282.7 MB Notification: Performance of NFFlatten.flatten: time 0.002333/0.1466, allocations: 3.033 MB / 335.9 MB, free: 1.449 MB / 282.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002291/0.1468, allocations: 96.34 kB / 336 MB, free: 1.32 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001561/0.1484, allocations: 1.497 MB / 337.5 MB, free: 15.82 MB / 298.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007525/0.1491, allocations: 0.7713 MB / 338.2 MB, free: 15.04 MB / 298.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000166/0.1493, allocations: 148 kB / 338.4 MB, free: 14.9 MB / 298.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.009507/0.1588, allocations: 7.45 MB / 345.8 MB, free: 7.445 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002126/0.159, allocations: 382.2 kB / 346.2 MB, free: 7.07 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0006259/0.1597, allocations: 0.7327 MB / 346.9 MB, free: 6.336 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.00826/0.1679, allocations: 6.745 MB / 353.7 MB, free: 15.57 MB / 314.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/0.1679, allocations: 0 / 353.7 MB, free: 15.57 MB / 314.7 MB Notification: Performance of FrontEnd: time 1.022e-06/0.1679, allocations: 0 / 353.7 MB, free: 15.57 MB / 314.7 MB Notification: Performance of Transformations before backend: time 2.589e-05/0.1679, allocations: 4 kB / 353.7 MB, free: 15.57 MB / 314.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 526 * Number of variables: 526 Notification: Performance of Generate backend data structure: time 0.00362/0.1716, allocations: 2.577 MB / 356.3 MB, free: 12.94 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.354e-05/0.1716, allocations: 12.03 kB / 356.3 MB, free: 12.93 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008063/0.1797, allocations: 3.457 MB / 359.7 MB, free: 9.465 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001055/0.1807, allocations: 0.7295 MB / 360.5 MB, free: 8.707 MB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001052/0.1808, allocations: 168.5 kB / 360.6 MB, free: 8.539 MB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001891/0.181, allocations: 212.3 kB / 360.8 MB, free: 8.332 MB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009051/0.1901, allocations: 7.434 MB / 368.3 MB, free: 0.6797 MB / 314.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.104e-05/0.1901, allocations: 4.375 kB / 368.3 MB, free: 0.6758 MB / 314.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001209/0.1902, allocations: 95.88 kB / 368.4 MB, free: 0.582 MB / 314.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.029e-05/0.1902, allocations: 55.98 kB / 368.4 MB, free: 0.5273 MB / 314.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008644/0.1989, allocations: 6.238 MB / 374.6 MB, free: 10.29 MB / 330.7 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 0.005448/0.2043, allocations: 7.058 MB / 381.7 MB, free: 3.07 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008194/0.2125, allocations: 6.353 MB / 388.1 MB, free: 12.74 MB / 346.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005002/0.213, allocations: 0.5636 MB / 388.6 MB, free: 12.17 MB / 346.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.5421/0.7551, allocations: 203.9 MB / 0.5787 GB, free: 134.1 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.664e-05/0.7551, allocations: 56.77 kB / 0.5787 GB, free: 134.1 MB / 410.7 MB Notification: Performance of pre-optimization done (n=242): time 3.787e-06/0.7551, allocations: 0 / 0.5787 GB, free: 134.1 MB / 410.7 MB Notification: Performance of matching and sorting (n=246): time 0.01824/0.7734, allocations: 13.77 MB / 0.5922 GB, free: 133.7 MB / 410.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.83e-05/0.7734, allocations: 103.5 kB / 0.5923 GB, free: 133.6 MB / 410.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001581/0.7736, allocations: 347 kB / 0.5926 GB, free: 133.5 MB / 410.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002096/0.7738, allocations: 66.77 kB / 0.5927 GB, free: 133.4 MB / 410.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001206/0.7739, allocations: 0.5616 MB / 0.5932 GB, free: 133.1 MB / 410.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003826/0.7743, allocations: 0.8566 MB / 0.594 GB, free: 132.6 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007228/0.775, allocations: 0.7434 MB / 0.5948 GB, free: 132.6 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 2.765e-05/0.775, allocations: 318.6 kB / 0.5951 GB, free: 132.3 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001251/0.7763, allocations: 1.858 MB / 0.5969 GB, free: 132.3 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001383/0.7777, allocations: 2.393 MB / 0.5992 GB, free: 131.5 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002566/0.7802, allocations: 4.246 MB / 0.6034 GB, free: 127.9 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.302e-06/0.7802, allocations: 4 kB / 0.6034 GB, free: 127.9 MB / 410.7 MB Notification: Performance of matching and sorting (n=308) (initialization): time 0.003279/0.7835, allocations: 4.435 MB / 0.6077 GB, free: 123.8 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.881e-05/0.7835, allocations: 8 kB / 0.6077 GB, free: 123.8 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.44e-05/0.7835, allocations: 16 kB / 0.6077 GB, free: 123.8 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004505/0.784, allocations: 241.8 kB / 0.608 GB, free: 123.6 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001315/0.7853, allocations: 0.8247 MB / 0.6088 GB, free: 123 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004528/0.7858, allocations: 1.739 MB / 0.6105 GB, free: 121.2 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006826/0.7864, allocations: 79.55 kB / 0.6105 GB, free: 121.1 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002744/0.7867, allocations: 256.4 kB / 0.6108 GB, free: 121 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 61 * Number of states: 0 () * Number of discrete variables: 17 (testBasePropertiesDynamic.medium.phase,testBasePropertiesImplicit.medium2.baseProperties.phase,testBasePropertiesImplicit.medium1.baseProperties.phase,testBasePropertiesExplicit.medium2.baseProperties.phase,testBasePropertiesExplicit.medium1.baseProperties.phase,testStatesSat.completeBubbleDewStates1.dewStateOnePhase.state.phase,testStatesSat.completeBubbleDewStates1.dewStateTwoPhase.state.phase,testStatesSat.completeBubbleDewStates1.bubbleStateOnePhase.state.phase,testStatesSat.completeBubbleDewStates1.bubbleStateTwoPhase.state.phase,testStatesSat.completeBubbleDewStates2.dewStateOnePhase.state.phase,testStatesSat.completeBubbleDewStates2.dewStateTwoPhase.state.phase,testStatesSat.completeBubbleDewStates2.bubbleStateOnePhase.state.phase,testStatesSat.completeBubbleDewStates2.bubbleStateTwoPhase.state.phase,testStates.state1.phase,testStates.state2.phase,testStatesSat.state1.phase,testStatesSat.state2.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (293): * Single equations (assignments): 287 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(3,8), (1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0005342/0.7872, allocations: 265.1 kB / 0.611 GB, free: 120.8 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003887/0.7876, allocations: 160.7 kB / 0.6112 GB, free: 120.7 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01078/0.7984, allocations: 23.51 MB / 0.6342 GB, free: 97.68 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.008808/0.8072, allocations: 21.27 MB / 0.6549 GB, free: 76.41 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.238e-06/0.8072, allocations: 5.312 kB / 0.6549 GB, free: 76.41 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.284e-05/0.8072, allocations: 15.95 kB / 0.6549 GB, free: 76.39 MB / 410.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01373/0.821, allocations: 29.17 MB / 0.6834 GB, free: 48.05 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.921e-06/0.821, allocations: 0 / 0.6834 GB, free: 48.05 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001253/0.8222, allocations: 0.6681 MB / 0.6841 GB, free: 47.4 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002953/0.8225, allocations: 302.5 kB / 0.6844 GB, free: 47.11 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.177e-05/0.8226, allocations: 62.34 kB / 0.6844 GB, free: 47.05 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003607/0.823, allocations: 1.704 MB / 0.6861 GB, free: 45.3 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.042e-06/0.823, allocations: 0 / 0.6861 GB, free: 45.3 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003092/0.8261, allocations: 4.481 MB / 0.6905 GB, free: 40.86 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001531/0.8262, allocations: 323.7 kB / 0.6908 GB, free: 40.55 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001391/0.8264, allocations: 48 kB / 0.6908 GB, free: 40.5 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004777/0.8268, allocations: 71.97 kB / 0.6909 GB, free: 40.43 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001785/0.827, allocations: 193.8 kB / 0.6911 GB, free: 40.24 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.769e-05/0.8271, allocations: 63.94 kB / 0.6911 GB, free: 40.18 MB / 410.7 MB Notification: Performance of sorting global known variables: time 5.865e-05/0.8272, allocations: 107.5 kB / 0.6912 GB, free: 40.08 MB / 410.7 MB Notification: Performance of sort global known variables: time 6e-08/0.8272, allocations: 0 / 0.6912 GB, free: 40.08 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.003077/0.8302, allocations: 1.662 MB / 0.6929 GB, free: 38.42 MB / 410.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (testBasePropertiesDynamic.medium.p,testBasePropertiesDynamic.medium.h) * Number of discrete variables: 68 ($cse1.region3boundary,$cse2.region3boundary,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.region3boundary,$cse6.region3boundary,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse9.phase,$cse9.region,$cse10.phase,$cse10.region,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse13.phase,$cse13.region,$cse14.phase,$cse14.region,$cse15.phase,$cse15.region,$cse16.phase,$cse16.region,$cse17.phase,$cse17.region,$cse18.phase,$cse18.region,$cse19.phase,$cse19.region,$cse20.phase,$cse20.region,$cse21.phase,$cse21.region,$cse22.phase,$cse22.region,$cse23.phase,$cse23.region,$cse24.phase,$cse24.region,$cse25.region3boundary,$cse26.region3boundary,$cse27.region3boundary,$cse28.region3boundary,$cse29.phase,$cse29.region,$cse30.phase,$cse30.region,$cse31.phase,$cse31.region,$cse32.phase,$cse32.region,$cse33.region3boundary,$cse34.phase,$cse34.region,$cse35.region3boundary,$cse36.region3boundary,$cse37.phase,$cse37.region,testBasePropertiesExplicit.medium1.baseProperties.phase,testBasePropertiesExplicit.medium2.baseProperties.phase,testBasePropertiesImplicit.medium1.baseProperties.phase,testBasePropertiesImplicit.medium2.baseProperties.phase,testBasePropertiesDynamic.medium.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (276): * Single equations (assignments): 236 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 37 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(1,1), (1,2), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002308/0.8325, allocations: 1.507 MB / 0.6943 GB, free: 37.04 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.00283/0.8354, allocations: 3.802 MB / 0.698 GB, free: 33.32 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 1.489e-05/0.8354, allocations: 4.5 kB / 0.6981 GB, free: 33.31 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001018/0.8364, allocations: 1.54 MB / 0.6996 GB, free: 31.87 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001336/0.8377, allocations: 0.7092 MB / 0.7003 GB, free: 31.23 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004225/0.842, allocations: 5.69 MB / 0.7058 GB, free: 25.62 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002687/0.8422, allocations: 0.5715 MB / 0.7064 GB, free: 25.02 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.00603/0.8483, allocations: 11.51 MB / 0.7176 GB, free: 13.95 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001959/0.8502, allocations: 0.7859 MB / 0.7184 GB, free: 13.16 MB / 410.7 MB Notification: Performance of SimCode: time 1.032e-06/0.8502, allocations: 3.375 kB / 0.7184 GB, free: 13.16 MB / 410.7 MB Notification: Performance of Templates: time 0.2134/1.064, allocations: 127.7 MB / 0.8431 GB, free: 39.23 MB / 410.7 MB " [Timeout remaining time 659] make -j1 -f ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.makefile [Timeout 660] (rm -f ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.pipe ; mkfifo ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.pipe ; head -c 1048576 < ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.pipe >> ../files/ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.sim & ./ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical -abortSlowSimulation -alarm=240 -lv LOG_STATS > ExternalMedia_ExternalMedia.Test.GenericModels.TestRunnerTranscritical.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 9.976103307213634]