Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.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 0.002399/0.002399, allocations: 91.61 kB / 20.96 MB, free: 3.465 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 0.002775/0.002775, allocations: 165.3 kB / 24.27 MB, free: 152 kB / 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 1.551/1.551, allocations: 177.1 MB / 204.6 MB, free: 5.633 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.4032/0.4032, allocations: 34.27 MB / 295.3 MB, free: 0.6719 MB / 266.7 MB " [Timeout remaining time 179] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+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.MultiBody.Sensors.CutForce,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|cutForce1a.force.3.|cutForce2a.force.3.|cutForce2b.force.3.|cutForce1a.force.2.|cutForce2a.force.2.|cutForce2b.force.2.|cutForce1a.force.1.|cutForce2a.force.1.|cutForce2b.force.1.",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce") translateModel(ModelicaTest.MultiBody.Sensors.CutForce,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|cutForce1a.force.3.|cutForce2a.force.3.|cutForce2b.force.3.|cutForce1a.force.2.|cutForce2a.force.2.|cutForce2b.force.2.|cutForce1a.force.1.|cutForce2a.force.1.|cutForce2b.force.1.",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.412e-06/1.412e-06, allocations: 0 / 377.3 MB, free: 2.973 MB / 346.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.635e-05/2.776e-05, allocations: 2.312 kB / 377.3 MB, free: 2.969 MB / 346.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Sensors.CutForce): time 0.02015/0.02017, allocations: 14.36 MB / 391.6 MB, free: 4.547 MB / 362.7 MB Notification: Performance of NFInst.instExpressions: time 0.01221/0.03238, allocations: 4.952 MB / 396.6 MB, free: 15.58 MB / 378.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002533/0.03491, allocations: 143.3 kB / 396.7 MB, free: 15.44 MB / 378.7 MB Notification: Performance of NFTyping.typeComponents: time 0.01351/0.04842, allocations: 6.418 MB / 403.1 MB, free: 9.004 MB / 378.7 MB Notification: Performance of NFTyping.typeBindings: time 0.008752/0.05717, allocations: 2.912 MB / 406.1 MB, free: 6.078 MB / 378.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.004337/0.06151, allocations: 1.793 MB / 407.9 MB, free: 4.281 MB / 378.7 MB Notification: Performance of NFFlatten.flatten: time 0.01373/0.07524, allocations: 9.129 MB / 417 MB, free: 11.14 MB / 394.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01071/0.08594, allocations: 6.576 MB / 423.6 MB, free: 4.469 MB / 394.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01086/0.0968, allocations: 4.51 MB / 428.1 MB, free: 15.95 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008993/0.1058, allocations: 4.451 MB / 432.5 MB, free: 11.49 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002351/0.1081, allocations: 0.5859 MB / 433.1 MB, free: 10.9 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004208/0.1124, allocations: 1.377 MB / 434.5 MB, free: 9.523 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.005744/0.1181, allocations: 3.818 MB / 438.3 MB, free: 5.695 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.006907/0.125, allocations: 2.286 MB / 440.6 MB, free: 3.402 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.1843/0.3093, allocations: 11.75 MB / 452.3 MB, free: 67.05 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.313e-06/0.3093, allocations: 3.281 kB / 452.3 MB, free: 67.05 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.623e-06/0.3093, allocations: 0 / 452.3 MB, free: 67.05 MB / 410.7 MB Notification: Performance of Transformations before backend: time 0.0003821/0.3097, allocations: 1.812 kB / 452.3 MB, free: 67.05 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2471 * Number of variables: 2471 Notification: Performance of Generate backend data structure: time 0.02087/0.3305, allocations: 9.987 MB / 462.3 MB, free: 63.69 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.651e-05/0.3306, allocations: 9.156 kB / 462.3 MB, free: 63.69 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0113/0.3419, allocations: 3.343 MB / 465.7 MB, free: 63.16 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01026/0.3522, allocations: 4.081 MB / 469.8 MB, free: 62.25 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003044/0.3525, allocations: 413.6 kB / 470.2 MB, free: 62.24 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001798/0.3543, allocations: 0.5401 MB / 470.7 MB, free: 62.23 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02435/0.3786, allocations: 11.05 MB / 481.8 MB, free: 56.01 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001999/0.3788, allocations: 65.05 kB / 481.8 MB, free: 56.01 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007587/0.3796, allocations: 261.4 kB / 482.1 MB, free: 55.88 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004849/0.3844, allocations: 2.927 MB / 485 MB, free: 55.39 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02077/0.4052, allocations: 5.545 MB / 490.5 MB, free: 54.71 MB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.09002/0.4952, allocations: 78.1 MB / 0.5553 GB, free: 5.688 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01492/0.5101, allocations: 3.663 MB / 0.5589 GB, free: 1.973 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00237/0.5125, allocations: 0.8268 MB / 0.5597 GB, free: 1.145 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0198/0.5323, allocations: 6.454 MB / 0.566 GB, free: 10.76 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.956e-05/0.5324, allocations: 58.27 kB / 0.5661 GB, free: 10.7 MB / 442.7 MB Notification: Performance of pre-optimization done (n=182): time 6.102e-06/0.5324, allocations: 0 / 0.5661 GB, free: 10.7 MB / 442.7 MB Notification: Performance of matching and sorting (n=206): time 0.04448/0.5769, allocations: 13.3 MB / 0.579 GB, free: 13.47 MB / 458.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001316/0.577, allocations: 156.9 kB / 0.5792 GB, free: 13.29 MB / 458.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01313/0.5901, allocations: 6.811 MB / 0.5858 GB, free: 6.492 MB / 458.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0003721/0.5905, allocations: 63.83 kB / 0.5859 GB, free: 6.43 MB / 458.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.006905/0.5974, allocations: 5.787 MB / 0.5916 GB, free: 0.6836 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.001567/0.599, allocations: 0.9161 MB / 0.5924 GB, free: 15.77 MB / 474.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003912/0.6029, allocations: 2.123 MB / 0.5945 GB, free: 13.64 MB / 474.7 MB Notification: Performance of setup shared object (initialization): time 0.0002445/0.6031, allocations: 476.8 kB / 0.595 GB, free: 13.17 MB / 474.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002599/0.6057, allocations: 0.8751 MB / 0.5958 GB, free: 12.29 MB / 474.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.1706/0.7763, allocations: 9.032 MB / 0.6047 GB, free: 131.1 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.009408/0.7857, allocations: 10.88 MB / 0.6153 GB, free: 120.1 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002415/0.7859, allocations: 53.81 kB / 0.6153 GB, free: 120.1 MB / 474.7 MB Notification: Performance of matching and sorting (n=1107) (initialization): time 0.01368/0.7996, allocations: 7.234 MB / 0.6224 GB, free: 118.7 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001117/0.7997, allocations: 87.36 kB / 0.6225 GB, free: 118.7 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002079/0.7999, allocations: 190.1 kB / 0.6227 GB, free: 118.7 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002154/0.8001, allocations: 250.7 kB / 0.6229 GB, free: 118.7 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005941/0.8061, allocations: 1.94 MB / 0.6248 GB, free: 118.5 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002375/0.8063, allocations: 374.4 kB / 0.6251 GB, free: 118.4 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007163/0.8135, allocations: 0.6232 MB / 0.6258 GB, free: 118.4 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001244/0.8147, allocations: 0.5201 MB / 0.6263 GB, free: 118.4 MB / 474.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 867 * Number of states: 0 () * Number of discrete variables: 68 (cutForce2b.forceArrow.twoHeadedArrow,cutForce2b.forceArrow.headAtOrigin,cutForce1b.forceArrow.twoHeadedArrow,cutForce1b.forceArrow.headAtOrigin,cutForce2a.forceArrow.twoHeadedArrow,cutForce2a.forceArrow.headAtOrigin,cutForce1a.forceArrow.twoHeadedArrow,cutForce1a.forceArrow.headAtOrigin,rotate2b.color[3],rotate2b.color[2],rotate2b.color[1],body2b.sphereColor[3],body2b.sphereColor[2],body2b.sphereColor[1],translate2b.color[3],translate2b.color[2],translate2b.color[1],cutForce2b.forceColor[3],cutForce2b.forceColor[2],cutForce2b.forceColor[1],rotate1b.color[3],rotate1b.color[2],rotate1b.color[1],body1b.sphereColor[3],body1b.sphereColor[2],body1b.sphereColor[1],translate1b.color[3],translate1b.color[2],translate1b.color[1],cutForce1b.forceColor[3],cutForce1b.forceColor[2],cutForce1b.forceColor[1],rotate2a.color[3],rotate2a.color[2],rotate2a.color[1],rotate1a.color[3],rotate1a.color[2],rotate1a.color[1],body2a.sphereColor[3],body2a.sphereColor[2],body2a.sphereColor[1],translate2a.color[3],translate2a.color[2],translate2a.color[1],cutForce2a.forceColor[3],cutForce2a.forceColor[2],cutForce2a.forceColor[1],body1a.sphereColor[3],body1a.sphereColor[2],body1a.sphereColor[1],translate1a.color[3],translate1a.color[2],translate1a.color[1],cutForce1a.forceColor[3],cutForce1a.forceColor[2],cutForce1a.forceColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1043): * Single equations (assignments): 1032 * Array equations: 11 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.003857/0.8186, allocations: 0.9781 MB / 0.6272 GB, free: 118.1 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00117/0.8197, allocations: 0.5602 MB / 0.6278 GB, free: 118.1 MB / 474.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00103/0.8208, allocations: 494.8 kB / 0.6282 GB, free: 118 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.647e-05/0.8208, allocations: 29.75 kB / 0.6283 GB, free: 118 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.201e-05/0.8208, allocations: 3.125 kB / 0.6283 GB, free: 118 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.687e-05/0.8208, allocations: 8.625 kB / 0.6283 GB, free: 118 MB / 474.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02117/0.842, allocations: 11.44 MB / 0.6395 GB, free: 115.3 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.38e-05/0.8421, allocations: 38.5 kB / 0.6395 GB, free: 115.3 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001275/0.8433, allocations: 391 kB / 0.6399 GB, free: 115.3 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.795e-05/0.8434, allocations: 49.5 kB / 0.6399 GB, free: 115.3 MB / 474.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001448/0.8435, allocations: 86.88 kB / 0.64 GB, free: 115.2 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.86e-05/0.8436, allocations: 76.94 kB / 0.6401 GB, free: 115.2 MB / 474.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.859e-05/0.8436, allocations: 63.09 kB / 0.6401 GB, free: 115.2 MB / 474.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004158/0.8478, allocations: 3.721 MB / 0.6438 GB, free: 112.5 MB / 474.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001669/0.8494, allocations: 0.5707 MB / 0.6443 GB, free: 112.4 MB / 474.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007316/0.8502, allocations: 90.64 kB / 0.6444 GB, free: 112.3 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002426/0.8526, allocations: 228.5 kB / 0.6446 GB, free: 112.3 MB / 474.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002815/0.8529, allocations: 262.7 kB / 0.6449 GB, free: 112.3 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001316/0.853, allocations: 112 kB / 0.645 GB, free: 112.3 MB / 474.7 MB Notification: Performance of sorting global known variables: time 0.005131/0.8581, allocations: 2.857 MB / 0.6478 GB, free: 111.3 MB / 474.7 MB Notification: Performance of sort global known variables: time 1.8e-07/0.8581, allocations: 0 / 0.6478 GB, free: 111.3 MB / 474.7 MB Notification: Performance of remove unused functions: time 0.008021/0.8662, allocations: 1.491 MB / 0.6492 GB, free: 111.2 MB / 474.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 174 * 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 (201): * Single equations (assignments): 198 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0007589/0.8669, allocations: 266.5 kB / 0.6495 GB, free: 111 MB / 474.7 MB Notification: Performance of simCode: created initialization part: time 0.007551/0.8745, allocations: 3.993 MB / 0.6534 GB, free: 109.6 MB / 474.7 MB Notification: Performance of simCode: created event and clocks part: time 5.679e-05/0.8745, allocations: 6 kB / 0.6534 GB, free: 109.6 MB / 474.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001261/0.8758, allocations: 0.7244 MB / 0.6541 GB, free: 109.4 MB / 474.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005305/0.8811, allocations: 0.7939 MB / 0.6549 GB, free: 109.1 MB / 474.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02147/0.9026, allocations: 13.48 MB / 0.668 GB, free: 97.48 MB / 474.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004897/0.9075, allocations: 4.165 MB / 0.6721 GB, free: 94.54 MB / 474.7 MB Notification: Performance of simCode: alias equations: time 0.00485/0.9123, allocations: 2.17 MB / 0.6742 GB, free: 93.27 MB / 474.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007637/0.9131, allocations: 338 kB / 0.6745 GB, free: 92.96 MB / 474.7 MB Notification: Performance of SimCode: time 1.272e-06/0.9131, allocations: 0 / 0.6745 GB, free: 92.96 MB / 474.7 MB Notification: Performance of Templates: time 0.06823/0.9813, allocations: 33.29 MB / 0.707 GB, free: 61.66 MB / 474.7 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.makefile [Timeout 660] (rm -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.sim & ./ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Sensors/CutForce/CutForce.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Sensors.CutForce.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: 7.658635083003901]