Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.0009736/0.0009736, allocations: 84.73 kB / 21.5 MB, free: 2.992 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.0009137/0.0009137, allocations: 161.1 kB / 24.91 MB, free: 8.719 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 0.9504/0.9504, allocations: 177 MB / 205.2 MB, free: 4.441 MB / 186.7 MB " [Timeout remaining time 179] Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5010,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2") translateModel(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5010,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.132e-06/1.132e-06, allocations: 0 / 273.4 MB, free: 4.258 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.106e-05/1.219e-05, allocations: 4 kB / 273.4 MB, free: 4.254 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2): time 0.006621/0.006633, allocations: 8.767 MB / 282.2 MB, free: 11.46 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.006446/0.01308, allocations: 6.118 MB / 288.3 MB, free: 5.328 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000391/0.01347, allocations: 47.56 kB / 288.4 MB, free: 5.281 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0004815/0.01395, allocations: 262.2 kB / 288.6 MB, free: 5.023 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001686/0.01564, allocations: 1.228 MB / 289.8 MB, free: 3.789 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002908/0.01854, allocations: 2.107 MB / 291.9 MB, free: 1.676 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.002046/0.02059, allocations: 2.509 MB / 294.5 MB, free: 15.15 MB / 282.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008179/0.02141, allocations: 0.595 MB / 295.1 MB, free: 14.54 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001098/0.02251, allocations: 1.286 MB / 296.3 MB, free: 13.25 MB / 282.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006955/0.0232, allocations: 0.8181 MB / 297.2 MB, free: 12.43 MB / 282.7 MB Notification: Performance of NFPackage.collectConstants: time 9e-05/0.02329, allocations: 88 kB / 297.2 MB, free: 12.34 MB / 282.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001242/0.02453, allocations: 1.069 MB / 298.3 MB, free: 11.27 MB / 282.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002263/0.02476, allocations: 390.8 kB / 298.7 MB, free: 10.88 MB / 282.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002542/0.02501, allocations: 387.2 kB / 299.1 MB, free: 10.5 MB / 282.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001313/0.02633, allocations: 1.714 MB / 300.8 MB, free: 8.785 MB / 282.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.524e-06/0.02633, allocations: 0 / 300.8 MB, free: 8.785 MB / 282.7 MB Notification: Performance of FrontEnd: time 6.71e-07/0.02633, allocations: 0 / 300.8 MB, free: 8.785 MB / 282.7 MB Notification: Performance of Transformations before backend: time 7.334e-06/0.02634, allocations: 0 / 300.8 MB, free: 8.785 MB / 282.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 164 * Number of variables: 164 Notification: Performance of Generate backend data structure: time 0.001641/0.02798, allocations: 1.295 MB / 302.1 MB, free: 7.461 MB / 282.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.364e-05/0.02801, allocations: 8.031 kB / 302.1 MB, free: 7.453 MB / 282.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002549/0.02827, allocations: 148.5 kB / 302.2 MB, free: 7.309 MB / 282.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006096/0.02888, allocations: 0.5854 MB / 302.8 MB, free: 6.695 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.826e-05/0.02892, allocations: 49.3 kB / 302.9 MB, free: 6.648 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.504e-05/0.02899, allocations: 75.91 kB / 302.9 MB, free: 6.574 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006979/0.02969, allocations: 0.9969 MB / 303.9 MB, free: 5.43 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.609e-05/0.02971, allocations: 4 kB / 303.9 MB, free: 5.426 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.772e-05/0.02975, allocations: 27.98 kB / 304 MB, free: 5.398 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.265e-05/0.02982, allocations: 77.19 kB / 304 MB, free: 5.32 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004254/0.03024, allocations: 342.5 kB / 304.4 MB, free: 4.984 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00241/0.03265, allocations: 2.446 MB / 306.8 MB, free: 2.473 MB / 282.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0003186/0.03297, allocations: 298.2 kB / 307.1 MB, free: 2.172 MB / 282.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001102/0.03308, allocations: 90.31 kB / 307.2 MB, free: 2.082 MB / 282.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0008548/0.03394, allocations: 0.7654 MB / 308 MB, free: 1.301 MB / 282.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.392e-05/0.03396, allocations: 38.89 kB / 308 MB, free: 1.254 MB / 282.7 MB Notification: Performance of pre-optimization done (n=40): time 1.232e-06/0.03396, allocations: 0 / 308 MB, free: 1.254 MB / 282.7 MB Notification: Performance of matching and sorting (n=45): time 0.001731/0.03569, allocations: 0.9671 MB / 309 MB, free: 256 kB / 282.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.862e-05/0.03574, allocations: 158.2 kB / 309.1 MB, free: 60 kB / 282.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004177/0.03616, allocations: 0.6572 MB / 309.8 MB, free: 15.39 MB / 298.7 MB Notification: Performance of collectPreVariables (initialization): time 3.972e-05/0.0362, allocations: 41.69 kB / 309.8 MB, free: 15.34 MB / 298.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001627/0.03636, allocations: 420.8 kB / 310.2 MB, free: 14.93 MB / 298.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.425e-05/0.03644, allocations: 166.6 kB / 310.4 MB, free: 14.76 MB / 298.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001574/0.0366, allocations: 170.5 kB / 310.6 MB, free: 14.59 MB / 298.7 MB Notification: Performance of setup shared object (initialization): time 0.0001036/0.03671, allocations: 402.5 kB / 311 MB, free: 14.18 MB / 298.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001205/0.03683, allocations: 88.81 kB / 311 MB, free: 14.09 MB / 298.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002759/0.0371, allocations: 0.494 MB / 311.5 MB, free: 13.44 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.000381/0.03748, allocations: 0.5026 MB / 312 MB, free: 12.81 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.936e-06/0.03749, allocations: 0 / 312 MB, free: 12.81 MB / 298.7 MB Notification: Performance of matching and sorting (n=110) (initialization): time 0.0005573/0.03804, allocations: 0.5358 MB / 312.6 MB, free: 12.26 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.389e-05/0.03806, allocations: 8 kB / 312.6 MB, free: 12.25 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.866e-06/0.03807, allocations: 8 kB / 312.6 MB, free: 12.25 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008031/0.03887, allocations: 271.1 kB / 312.9 MB, free: 11.97 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003636/0.03923, allocations: 187.7 kB / 313 MB, free: 11.79 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005184/0.03975, allocations: 1.139 MB / 314.2 MB, free: 10.59 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002645/0.04002, allocations: 35.98 kB / 314.2 MB, free: 10.56 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.203e-05/0.04006, allocations: 35.98 kB / 314.3 MB, free: 10.52 MB / 298.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001971/0.04025, allocations: 185 kB / 314.4 MB, free: 10.34 MB / 298.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00033/0.04058, allocations: 0.4994 MB / 314.9 MB, free: 9.676 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005492/0.04113, allocations: 0.5147 MB / 315.4 MB, free: 9.031 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.278e-06/0.04114, allocations: 4 kB / 315.5 MB, free: 9.027 MB / 298.7 MB Notification: Performance of matching and sorting (n=110) (initialization_lambda0): time 0.0005374/0.04168, allocations: 0.5215 MB / 316 MB, free: 8.492 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.059e-05/0.04169, allocations: 12 kB / 316 MB, free: 8.48 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.374e-06/0.04169, allocations: 11.94 kB / 316 MB, free: 8.469 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006931/0.04239, allocations: 251.3 kB / 316.2 MB, free: 8.215 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003455/0.04273, allocations: 187.7 kB / 316.4 MB, free: 8.031 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004728/0.04321, allocations: 1.123 MB / 317.5 MB, free: 6.852 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002652/0.04347, allocations: 44.05 kB / 317.6 MB, free: 6.809 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.123e-05/0.04351, allocations: 43.92 kB / 317.6 MB, free: 6.766 MB / 298.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 40 * Number of states: 0 () * Number of discrete variables: 6 (tank1.ports_m_flow_out[1],tank1.ports_m_flow_out[2],tank1.aboveLevel[2],$PRE.tank1.aboveLevel[2],tank1.aboveLevel[1],$PRE.tank1.aboveLevel[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (104): * Single equations (assignments): 102 * 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 0.0001374/0.04365, allocations: 236 kB / 317.9 MB, free: 6.527 MB / 298.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.516e-05/0.04372, allocations: 63.92 kB / 317.9 MB, free: 6.465 MB / 298.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005408/0.04426, allocations: 420.9 kB / 318.3 MB, free: 6.031 MB / 298.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.898e-06/0.04427, allocations: 8 kB / 318.3 MB, free: 6.023 MB / 298.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.493e-06/0.04427, allocations: 3.938 kB / 318.4 MB, free: 6.02 MB / 298.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.717e-06/0.04427, allocations: 0 / 318.4 MB, free: 6.02 MB / 298.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008375/0.04511, allocations: 0.8416 MB / 319.2 MB, free: 5.145 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.114e-06/0.04511, allocations: 0 / 319.2 MB, free: 5.145 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000207/0.04532, allocations: 78.53 kB / 319.3 MB, free: 5.07 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005036/0.04582, allocations: 223.2 kB / 319.5 MB, free: 4.844 MB / 298.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.402e-05/0.04585, allocations: 11.98 kB / 319.5 MB, free: 4.832 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004328/0.04628, allocations: 1.142 MB / 320.6 MB, free: 3.633 MB / 298.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.12e-07/0.04628, allocations: 0 / 320.6 MB, free: 3.633 MB / 298.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004551/0.04674, allocations: 0.5295 MB / 321.2 MB, free: 3.07 MB / 298.7 MB Notification: Performance of postOpt removeConstants (simulation): time 6.403e-05/0.0468, allocations: 63.48 kB / 321.2 MB, free: 3.008 MB / 298.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.543e-05/0.04687, allocations: 24.02 kB / 321.3 MB, free: 2.984 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001962/0.04706, allocations: 27.98 kB / 321.3 MB, free: 2.957 MB / 298.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.353e-05/0.04713, allocations: 40.42 kB / 321.3 MB, free: 2.918 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.764e-05/0.04715, allocations: 15.98 kB / 321.3 MB, free: 2.902 MB / 298.7 MB Notification: Performance of sorting global known variables: time 0.0001988/0.04735, allocations: 288.5 kB / 321.6 MB, free: 2.625 MB / 298.7 MB Notification: Performance of sort global known variables: time 6e-08/0.04735, allocations: 0 / 321.6 MB, free: 2.625 MB / 298.7 MB Notification: Performance of remove unused functions: time 0.0008143/0.04817, allocations: 0.6162 MB / 322.2 MB, free: 2.008 MB / 298.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 2 (tank1.level,tank1.medium.T) * Number of discrete variables: 2 (tank1.aboveLevel[1],tank1.aboveLevel[2]) * Number of discrete states: 2 (tank1.aboveLevel[1],tank1.aboveLevel[2]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (41): * Single equations (assignments): 39 * 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 {(1,6), (1,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006697/0.04884, allocations: 437 kB / 322.7 MB, free: 1.574 MB / 298.7 MB Notification: Performance of simCode: created initialization part: time 0.0007846/0.04962, allocations: 0.6707 MB / 323.3 MB, free: 0.9062 MB / 298.7 MB Notification: Performance of simCode: created event and clocks part: time 1.557e-05/0.04964, allocations: 16.5 kB / 323.3 MB, free: 0.8906 MB / 298.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0002024/0.04984, allocations: 179.3 kB / 323.5 MB, free: 0.7148 MB / 298.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000691/0.05053, allocations: 358.3 kB / 323.9 MB, free: 392 kB / 298.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001536/0.05207, allocations: 1.423 MB / 325.3 MB, free: 14.91 MB / 314.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001179/0.05218, allocations: 204.3 kB / 325.5 MB, free: 14.69 MB / 314.7 MB Notification: Performance of simCode: alias equations: time 0.0003658/0.05255, allocations: 165.9 kB / 325.7 MB, free: 14.53 MB / 314.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005152/0.05307, allocations: 340.9 kB / 326 MB, free: 14.2 MB / 314.7 MB Notification: Performance of SimCode: time 7.61e-07/0.05307, allocations: 0 / 326 MB, free: 14.2 MB / 314.7 MB Notification: Performance of Templates: time 0.0202/0.07326, allocations: 21.58 MB / 347.6 MB, free: 8.867 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.sim & ./Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2 -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Fluid/Examples/AST_BatchPlant/Test/TankWithEmptyingPipe2/TankWithEmptyingPipe2.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 3.1751798447221518]