Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.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 0.000812/0.000812, allocations: 71.77 kB / 21.69 MB, free: 2.859 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 0.0008888/0.0008888, allocations: 166.2 kB / 25 MB, free: 8.355 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 0.8706/0.8706, allocations: 177.1 MB / 205.3 MB, free: 5.602 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo): time 0.1036/0.1036, allocations: 19.74 MB / 281.5 MB, free: 9.309 MB / 266.7 MB " [Timeout remaining time 180] Using package ThermoPower with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/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(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast") translateModel(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.663e-06/1.663e-06, allocations: 0 / 357.9 MB, free: 6.938 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 9.107e-06/1.077e-05, allocations: 2.312 kB / 357.9 MB, free: 6.934 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixerSlowFast): time 0.1574/0.1574, allocations: 57.78 MB / 415.7 MB, free: 16.78 MB / 330.7 MB Notification: Performance of NFInst.instExpressions: time 0.0102/0.1676, allocations: 10.52 MB / 426.3 MB, free: 16.68 MB / 330.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00032/0.1679, allocations: 17.69 kB / 426.3 MB, free: 16.68 MB / 330.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0005718/0.1685, allocations: 264.3 kB / 426.5 MB, free: 16.66 MB / 330.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0004813/0.169, allocations: 371.6 kB / 426.9 MB, free: 16.55 MB / 330.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00934/0.1783, allocations: 5.064 MB / 432 MB, free: 16.04 MB / 330.7 MB Notification: Performance of NFFlatten.flatten: time 0.0007604/0.1791, allocations: 1.001 MB / 433 MB, free: 15.76 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003002/0.1794, allocations: 275.9 kB / 433.2 MB, free: 15.74 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004358/0.1798, allocations: 0.491 MB / 433.7 MB, free: 15.7 MB / 330.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002391/0.1801, allocations: 304.1 kB / 434 MB, free: 15.66 MB / 330.7 MB Notification: Performance of NFPackage.collectConstants: time 3.495e-05/0.1801, allocations: 37.41 kB / 434.1 MB, free: 15.66 MB / 330.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005834/0.1859, allocations: 6.062 MB / 440.1 MB, free: 15.04 MB / 330.7 MB Notification: Performance of NFScalarize.scalarize: time 6.098e-05/0.186, allocations: 110.1 kB / 440.2 MB, free: 15 MB / 330.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0001308/0.1861, allocations: 195.4 kB / 440.4 MB, free: 14.96 MB / 330.7 MB Notification: Performance of NFConvertDAE.convert: time 0.00388/0.19, allocations: 4.795 MB / 445.2 MB, free: 13.02 MB / 330.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.555e-06/0.19, allocations: 0 / 445.2 MB, free: 13.02 MB / 330.7 MB Notification: Performance of FrontEnd: time 5.81e-07/0.19, allocations: 0 / 445.2 MB, free: 13.02 MB / 330.7 MB Notification: Performance of Transformations before backend: time 5.581e-06/0.19, allocations: 0 / 445.2 MB, free: 13.02 MB / 330.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 99 * Number of variables: 99 Notification: Performance of Generate backend data structure: time 0.001444/0.1914, allocations: 1.311 MB / 446.5 MB, free: 12.15 MB / 330.7 MB Notification: Performance of prepare preOptimizeDAE: time 2.394e-05/0.1915, allocations: 10.38 kB / 446.5 MB, free: 12.15 MB / 330.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000305/0.1918, allocations: 163.8 kB / 446.7 MB, free: 12.1 MB / 330.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002598/0.192, allocations: 330 kB / 447 MB, free: 11.88 MB / 330.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.529e-05/0.1921, allocations: 31.75 kB / 447 MB, free: 11.88 MB / 330.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 3.776e-05/0.1921, allocations: 52.02 kB / 447.1 MB, free: 11.87 MB / 330.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007836/0.1929, allocations: 0.6723 MB / 447.8 MB, free: 11.52 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.756e-06/0.1929, allocations: 3.031 kB / 447.8 MB, free: 11.52 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.303e-05/0.1929, allocations: 22.36 kB / 447.8 MB, free: 11.52 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.923e-06/0.1929, allocations: 10.16 kB / 447.8 MB, free: 11.52 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006374/0.1936, allocations: 410.8 kB / 448.2 MB, free: 11.39 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 0.0009203/0.1945, allocations: 1.599 MB / 449.8 MB, free: 10.06 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006451/0.1951, allocations: 421.8 kB / 450.2 MB, free: 9.875 MB / 330.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 9.254e-05/0.1952, allocations: 86.45 kB / 450.3 MB, free: 9.84 MB / 330.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.02714/0.2224, allocations: 17.53 MB / 467.8 MB, free: 10.13 MB / 346.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.088e-05/0.2224, allocations: 33.39 kB / 467.9 MB, free: 10.09 MB / 346.7 MB Notification: Performance of pre-optimization done (n=28): time 1.222e-06/0.2224, allocations: 0 / 467.9 MB, free: 10.09 MB / 346.7 MB Notification: Performance of matching and sorting (n=31): time 0.003036/0.2254, allocations: 1.564 MB / 469.4 MB, free: 8.496 MB / 346.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.591e-05/0.2254, allocations: 106.8 kB / 469.5 MB, free: 8.367 MB / 346.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001971/0.2256, allocations: 346.7 kB / 469.9 MB, free: 8.016 MB / 346.7 MB Notification: Performance of collectPreVariables (initialization): time 2.79e-05/0.2257, allocations: 33.7 kB / 469.9 MB, free: 7.977 MB / 346.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001189/0.2258, allocations: 299.3 kB / 470.2 MB, free: 7.68 MB / 346.7 MB Notification: Performance of collectInitialBindings (initialization): time 6.515e-05/0.2259, allocations: 110 kB / 470.3 MB, free: 7.574 MB / 346.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001017/0.226, allocations: 107.1 kB / 470.4 MB, free: 7.461 MB / 346.7 MB Notification: Performance of setup shared object (initialization): time 0.0001122/0.2261, allocations: 0.5157 MB / 470.9 MB, free: 6.934 MB / 346.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001816/0.2262, allocations: 159.6 kB / 471.1 MB, free: 6.773 MB / 346.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002252/0.2265, allocations: 279.4 kB / 471.4 MB, free: 6.457 MB / 346.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003904/0.2269, allocations: 385.9 kB / 471.7 MB, free: 6.062 MB / 346.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.212e-06/0.2269, allocations: 4.031 kB / 471.7 MB, free: 6.059 MB / 346.7 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.001046/0.2279, allocations: 0.7413 MB / 472.5 MB, free: 5.324 MB / 346.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.086e-05/0.2279, allocations: 6.656 kB / 472.5 MB, free: 5.32 MB / 346.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.306e-06/0.2279, allocations: 0 / 472.5 MB, free: 5.32 MB / 346.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001343/0.2293, allocations: 0.5436 MB / 473 MB, free: 4.773 MB / 346.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.028e-05/0.2293, allocations: 35.27 kB / 473.1 MB, free: 4.742 MB / 346.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009002/0.2302, allocations: 1.198 MB / 474.3 MB, free: 3.52 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001233/0.2304, allocations: 15.98 kB / 474.3 MB, free: 3.504 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.934e-05/0.2304, allocations: 30.28 kB / 474.3 MB, free: 3.48 MB / 346.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002286/0.2306, allocations: 274.8 kB / 474.6 MB, free: 3.207 MB / 346.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002193/0.2308, allocations: 292.2 kB / 474.9 MB, free: 2.875 MB / 346.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003664/0.2312, allocations: 376.2 kB / 475.2 MB, free: 2.484 MB / 346.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.062e-06/0.2312, allocations: 0 / 475.2 MB, free: 2.484 MB / 346.7 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.0008995/0.2321, allocations: 0.6721 MB / 475.9 MB, free: 1.812 MB / 346.7 MB Notification: Performance of prepare postOptimizeDAE: time 7.764e-06/0.2321, allocations: 15.22 kB / 475.9 MB, free: 1.801 MB / 346.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.753e-06/0.2321, allocations: 0 / 475.9 MB, free: 1.801 MB / 346.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007914/0.2329, allocations: 490.1 kB / 476.4 MB, free: 1.32 MB / 346.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.19e-05/0.233, allocations: 42.97 kB / 476.4 MB, free: 1.281 MB / 346.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000954/0.234, allocations: 1.153 MB / 477.6 MB, free: 104 kB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001101/0.2341, allocations: 16 kB / 477.6 MB, free: 88 kB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.508e-05/0.2341, allocations: 23.97 kB / 477.6 MB, free: 64 kB / 346.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (Header1.fluidState.phase,PressDrop1.state.phase,Mixer1.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 19 * 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 {(5,17)} Notification: Performance of prepare postOptimizeDAE: time 0.000131/0.2342, allocations: 291.2 kB / 477.9 MB, free: 15.77 MB / 362.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.171e-05/0.2343, allocations: 47.77 kB / 478 MB, free: 15.73 MB / 362.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001677/0.236, allocations: 1.863 MB / 479.8 MB, free: 13.85 MB / 362.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.555e-06/0.236, allocations: 7.984 kB / 479.8 MB, free: 13.84 MB / 362.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.049e-06/0.236, allocations: 3.938 kB / 479.8 MB, free: 13.84 MB / 362.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.26e-06/0.236, allocations: 11.98 kB / 479.8 MB, free: 13.83 MB / 362.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002428/0.2384, allocations: 2.765 MB / 482.6 MB, free: 10.96 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.725e-06/0.2384, allocations: 7.938 kB / 482.6 MB, free: 10.95 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002778/0.2387, allocations: 79.5 kB / 482.7 MB, free: 10.88 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009376/0.2396, allocations: 298.8 kB / 483 MB, free: 10.58 MB / 362.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.976e-05/0.2397, allocations: 12.25 kB / 483 MB, free: 10.57 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001738/0.2414, allocations: 3.619 MB / 486.6 MB, free: 6.785 MB / 362.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.02e-07/0.2414, allocations: 0 / 486.6 MB, free: 6.785 MB / 362.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002255/0.2436, allocations: 2.472 MB / 489.1 MB, free: 4.289 MB / 362.7 MB Notification: Performance of postOpt removeConstants (simulation): time 3.519e-05/0.2437, allocations: 45.36 kB / 489.1 MB, free: 4.246 MB / 362.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.761e-05/0.2437, allocations: 11.98 kB / 489.1 MB, free: 4.234 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001335/0.2439, allocations: 23.97 kB / 489.2 MB, free: 4.211 MB / 362.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.891e-05/0.2439, allocations: 23.95 kB / 489.2 MB, free: 4.188 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.553e-05/0.2439, allocations: 14.53 kB / 489.2 MB, free: 4.176 MB / 362.7 MB Notification: Performance of sorting global known variables: time 0.0001174/0.244, allocations: 235 kB / 489.4 MB, free: 3.949 MB / 362.7 MB Notification: Performance of sort global known variables: time 6e-08/0.244, allocations: 0 / 489.4 MB, free: 3.949 MB / 362.7 MB Notification: Performance of remove unused functions: time 0.001748/0.2458, allocations: 0.9712 MB / 490.4 MB, free: 2.977 MB / 362.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (Mixer1.p,Mixer1.h,Header1.p,Header1.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {2, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002169/0.248, allocations: 1.09 MB / 491.5 MB, free: 1.957 MB / 362.7 MB Notification: Performance of simCode: created initialization part: time 0.001173/0.2491, allocations: 0.7177 MB / 492.2 MB, free: 1.246 MB / 362.7 MB Notification: Performance of simCode: created event and clocks part: time 1.553e-06/0.2491, allocations: 0 / 492.2 MB, free: 1.246 MB / 362.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0006873/0.2498, allocations: 449.6 kB / 492.6 MB, free: 0.7852 MB / 362.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005623/0.2504, allocations: 199.3 kB / 492.8 MB, free: 0.5938 MB / 362.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001383/0.2518, allocations: 1.094 MB / 493.9 MB, free: 15.48 MB / 378.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 7.444e-05/0.2518, allocations: 122.8 kB / 494.1 MB, free: 15.34 MB / 378.7 MB Notification: Performance of simCode: alias equations: time 0.0001582/0.252, allocations: 98.8 kB / 494.2 MB, free: 15.25 MB / 378.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.179e-05/0.2521, allocations: 28.5 kB / 494.2 MB, free: 15.21 MB / 378.7 MB Notification: Performance of SimCode: time 5.41e-07/0.2521, allocations: 0 / 494.2 MB, free: 15.21 MB / 378.7 MB Notification: Performance of Templates: time 0.03512/0.2872, allocations: 40.19 MB / 0.5218 GB, free: 7.195 MB / 410.7 MB " [Timeout remaining time 660] make -j1 -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.makefile [Timeout 660] (rm -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; mkfifo ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; head -c 1048576 < ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe >> ../files/ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.sim & ./ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.1946566079277545]