Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.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 0.001676/0.001676, allocations: 103.6 kB / 21.18 MB, free: 0.6445 MB / 14.72 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 0.001712/0.001712, allocations: 209 kB / 24.48 MB, free: 3.938 MB / 14.72 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 1.455/1.455, allocations: 230.6 MB / 258.2 MB, free: 7.789 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2131/0.2131, allocations: 44.94 MB / 359.6 MB, free: 6.051 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|eta.1.|eta.2.|eta.3.|rho.1.|rho.2.|rho.3.|input_mdot.1.|input_mdot.2.|input_mdot.3.|input_dp.1.|input_dp.2.|input_dp.3.|M_FLOW.1.|M_FLOW.2.|M_FLOW.3.|DP.1.|DP.2.|DP.3.|DP_plot.1.|DP_plot.2.|DP_plot.3.|input_DP.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW") translateModel(ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|eta.1.|eta.2.|eta.3.|rho.1.|rho.2.|rho.3.|input_mdot.1.|input_mdot.2.|input_mdot.3.|input_dp.1.|input_dp.2.|input_dp.3.|M_FLOW.1.|M_FLOW.2.|M_FLOW.3.|DP.1.|DP.2.|DP.3.|DP_plot.1.|DP_plot.2.|DP_plot.3.|input_DP.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW") [Timeout 660] "Notification: ModelicaTest requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002189/0.002189, allocations: 67.89 kB / 0.4943 GB, free: 10.01 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3254/0.3276, allocations: 65.47 MB / 0.5582 GB, free: 7.484 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW): time 0.003736/0.3313, allocations: 1.795 MB / 0.56 GB, free: 5.676 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.00131/0.3327, allocations: 0.5735 MB / 0.5605 GB, free: 5.102 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 6.994e-05/0.3327, allocations: 4 kB / 0.5605 GB, free: 5.098 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0003268/0.3331, allocations: 47.73 kB / 0.5606 GB, free: 5.051 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001976/0.3332, allocations: 79.52 kB / 0.5607 GB, free: 4.973 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003961/0.3336, allocations: 123.5 kB / 0.5608 GB, free: 4.852 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0003245/0.334, allocations: 226.8 kB / 0.561 GB, free: 4.629 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 6.385e-05/0.334, allocations: 12.53 kB / 0.561 GB, free: 4.613 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001292/0.3342, allocations: 95.5 kB / 0.5611 GB, free: 4.52 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001743/0.3343, allocations: 107.5 kB / 0.5612 GB, free: 4.414 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 2.595e-05/0.3344, allocations: 8 kB / 0.5612 GB, free: 4.406 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003397/0.3347, allocations: 163.8 kB / 0.5614 GB, free: 4.246 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 8.52e-05/0.3348, allocations: 51.77 kB / 0.5614 GB, free: 4.195 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001131/0.3349, allocations: 79.48 kB / 0.5615 GB, free: 4.117 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0004856/0.3354, allocations: 321 kB / 0.5618 GB, free: 3.809 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.212e-06/0.3354, allocations: 4 kB / 0.5618 GB, free: 3.805 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.553e-06/0.3354, allocations: 7.938 kB / 0.5618 GB, free: 3.797 MB / 398.1 MB Notification: Performance of Transformations before backend: time 6.712e-06/0.3354, allocations: 4 kB / 0.5618 GB, free: 3.793 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 70 * Number of variables: 70 Notification: Performance of Generate backend data structure: time 0.0007839/0.3362, allocations: 465.5 kB / 0.5622 GB, free: 3.309 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.084e-05/0.3362, allocations: 11.97 kB / 0.5623 GB, free: 3.297 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001849/0.3381, allocations: 204.4 kB / 0.5625 GB, free: 3.098 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004334/0.3385, allocations: 217.5 kB / 0.5627 GB, free: 2.863 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.692e-05/0.3385, allocations: 20.86 kB / 0.5627 GB, free: 2.844 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 5.311e-05/0.3386, allocations: 24.38 kB / 0.5627 GB, free: 2.82 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001031/0.3396, allocations: 0.5009 MB / 0.5632 GB, free: 2.316 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.217e-05/0.3396, allocations: 0 / 0.5632 GB, free: 2.316 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.635e-05/0.3397, allocations: 8 kB / 0.5632 GB, free: 2.309 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.583e-05/0.3397, allocations: 28.64 kB / 0.5632 GB, free: 2.277 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001288/0.341, allocations: 0.5841 MB / 0.5638 GB, free: 1.691 MB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002171/0.3432, allocations: 0.8371 MB / 0.5646 GB, free: 0.8203 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007046/0.3439, allocations: 162.4 kB / 0.5648 GB, free: 0.6523 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003632/0.3443, allocations: 88.69 kB / 0.5649 GB, free: 0.5625 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.44e-05/0.3443, allocations: 3.938 kB / 0.5649 GB, free: 0.5586 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.927e-05/0.3443, allocations: 34.56 kB / 0.5649 GB, free: 0.5156 MB / 398.1 MB Notification: Performance of pre-optimization done (n=7): time 1.834e-06/0.3443, allocations: 0 / 0.5649 GB, free: 0.5156 MB / 398.1 MB Notification: Performance of matching and sorting (n=7): time 0.001275/0.3456, allocations: 297.4 kB / 0.5652 GB, free: 224 kB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.982e-05/0.3456, allocations: 55.41 kB / 0.5652 GB, free: 156 kB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001464/0.3458, allocations: 147.8 kB / 0.5654 GB, free: 0 / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 5.452e-05/0.3458, allocations: 33.69 kB / 0.5654 GB, free: 15.96 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001221/0.346, allocations: 176 kB / 0.5656 GB, free: 15.79 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 4.065e-05/0.346, allocations: 27.78 kB / 0.5656 GB, free: 15.76 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 9.302e-05/0.3461, allocations: 41.64 kB / 0.5656 GB, free: 15.71 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001393/0.3462, allocations: 318.8 kB / 0.5659 GB, free: 15.39 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000381/0.3466, allocations: 95.89 kB / 0.566 GB, free: 15.3 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003975/0.347, allocations: 115.3 kB / 0.5661 GB, free: 15.17 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007481/0.3478, allocations: 211.2 kB / 0.5663 GB, free: 14.95 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.294e-06/0.3478, allocations: 0 / 0.5663 GB, free: 14.95 MB / 414.1 MB Notification: Performance of matching and sorting (n=13) (initialization): time 0.0008695/0.3486, allocations: 261.2 kB / 0.5666 GB, free: 14.69 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.772e-05/0.3486, allocations: 6.188 kB / 0.5666 GB, free: 14.69 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.173e-06/0.3487, allocations: 3.984 kB / 0.5666 GB, free: 14.68 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.5e-05/0.3487, allocations: 4 kB / 0.5666 GB, free: 14.68 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005797/0.3545, allocations: 471.3 kB / 0.5671 GB, free: 14.22 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00288/0.3573, allocations: 1.941 MB / 0.569 GB, free: 12.21 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003801/0.3577, allocations: 36.05 kB / 0.569 GB, free: 12.17 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.429e-05/0.3577, allocations: 7.984 kB / 0.569 GB, free: 12.16 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (13): * Single equations (assignments): 10 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 0 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000197/0.3579, allocations: 153.7 kB / 0.5691 GB, free: 12 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.64e-05/0.358, allocations: 7.953 kB / 0.5691 GB, free: 12 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.782e-05/0.358, allocations: 20.7 kB / 0.5692 GB, free: 11.97 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.326e-06/0.3581, allocations: 0 / 0.5692 GB, free: 11.97 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.238e-06/0.3581, allocations: 0 / 0.5692 GB, free: 11.97 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.555e-06/0.3581, allocations: 0 / 0.5692 GB, free: 11.97 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003076/0.3584, allocations: 213.1 kB / 0.5694 GB, free: 11.73 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.315e-06/0.3584, allocations: 4 kB / 0.5694 GB, free: 11.73 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005617/0.364, allocations: 459.2 kB / 0.5698 GB, free: 11.28 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 7.314e-06/0.364, allocations: 4 kB / 0.5698 GB, free: 11.28 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.136e-05/0.364, allocations: 0 / 0.5698 GB, free: 11.28 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003018/0.367, allocations: 1.945 MB / 0.5717 GB, free: 9.262 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.934e-06/0.367, allocations: 0 / 0.5717 GB, free: 9.262 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008937/0.3679, allocations: 315.3 kB / 0.572 GB, free: 8.938 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.246e-05/0.368, allocations: 11.94 kB / 0.572 GB, free: 8.926 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.517e-05/0.368, allocations: 0 / 0.572 GB, free: 8.926 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003629/0.3684, allocations: 19.97 kB / 0.572 GB, free: 8.906 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.093e-05/0.3684, allocations: 11.92 kB / 0.5721 GB, free: 8.895 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.381e-05/0.3684, allocations: 7.984 kB / 0.5721 GB, free: 8.887 MB / 414.1 MB Notification: Performance of sorting global known variables: time 9.466e-05/0.3685, allocations: 111.2 kB / 0.5722 GB, free: 8.777 MB / 414.1 MB Notification: Performance of sort global known variables: time 1.6e-07/0.3685, allocations: 4 kB / 0.5722 GB, free: 8.773 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0003916/0.3689, allocations: 79.78 kB / 0.5723 GB, free: 8.695 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 simulation (7): * Single equations (assignments): 4 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 0 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002224/0.3692, allocations: 111.2 kB / 0.5724 GB, free: 8.578 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.00609/0.3752, allocations: 0.5891 MB / 0.5729 GB, free: 7.988 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 3.557e-06/0.3752, allocations: 4.062 kB / 0.5729 GB, free: 7.984 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.005522/0.3808, allocations: 495.6 kB / 0.5734 GB, free: 7.5 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003206/0.3811, allocations: 16.38 kB / 0.5734 GB, free: 7.484 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001157/0.3822, allocations: 490 kB / 0.5739 GB, free: 6.977 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001795/0.3824, allocations: 164 kB / 0.5741 GB, free: 6.789 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.841e-05/0.3825, allocations: 23.42 kB / 0.5741 GB, free: 6.77 MB / 414.1 MB Notification: Performance of SimCode: time 7.62e-07/0.3825, allocations: 0 / 0.5741 GB, free: 6.77 MB / 414.1 MB Notification: Performance of Templates: time 0.009336/0.3919, allocations: 6.085 MB / 0.58 GB, free: 0.6914 MB / 414.1 MB " [Timeout remaining time 660] make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.makefile [Timeout 660] (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.sim & ./ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/Dissipation/Verifications/PressureLoss/General/dp_nominalDensityViscosity_DPMFLOW/dp_nominalDensityViscosity_DPMFLOW.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.General.dp_nominalDensityViscosity_DPMFLOW.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 8.490425298921764]