Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.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 0.001525/0.001525, allocations: 111.1 kB / 20.44 MB, free: 1.176 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 0.001522/0.001522, allocations: 210.3 kB / 23.73 MB, free: 4.379 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 1.507/1.507, allocations: 230.6 MB / 257.5 MB, free: 7.805 MB / 206.1 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 0.2542/0.2542, allocations: 46.95 MB / 360.9 MB, free: 4.047 MB / 286.1 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.Forces.Damper,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|body.frame_a.r_0.1.|body.v_0.1.|heatCapacitor.T|prismatic1.s|prismatic1.v|prismatic2.s|prismatic2.v",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper") translateModel(ModelicaTest.MultiBody.Forces.Damper,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|body.frame_a.r_0.1.|body.v_0.1.|heatCapacitor.T|prismatic1.s|prismatic1.v|prismatic2.s|prismatic2.v",fileNamePrefix="ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002082/0.002082, allocations: 63.91 kB / 0.4966 GB, free: 7.211 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.345/0.347, allocations: 66.03 MB / 0.5611 GB, free: 4.191 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.Damper): time 0.01829/0.3653, allocations: 13.99 MB / 0.5747 GB, free: 6.145 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.01144/0.3768, allocations: 4.787 MB / 0.5794 GB, free: 1.34 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002572/0.3793, allocations: 111.5 kB / 0.5795 GB, free: 1.23 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01067/0.39, allocations: 5.023 MB / 0.5844 GB, free: 12.19 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008994/0.399, allocations: 2.556 MB / 0.5869 GB, free: 9.625 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004373/0.4034, allocations: 1.189 MB / 0.5881 GB, free: 8.434 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.01105/0.4144, allocations: 6.654 MB / 0.5946 GB, free: 1.766 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007854/0.4223, allocations: 5.058 MB / 0.5995 GB, free: 12.63 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005711/0.428, allocations: 2.629 MB / 0.6021 GB, free: 9.992 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008697/0.4367, allocations: 3.945 MB / 0.6059 GB, free: 6.035 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002067/0.4387, allocations: 0.5703 MB / 0.6065 GB, free: 5.465 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003128/0.4419, allocations: 1.186 MB / 0.6077 GB, free: 4.277 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003897/0.4458, allocations: 3.284 MB / 0.6109 GB, free: 0.9844 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.005168/0.4509, allocations: 2.762 MB / 0.6136 GB, free: 14.2 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01821/0.4692, allocations: 11.2 MB / 0.6245 GB, free: 2.961 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.226e-06/0.4692, allocations: 4 kB / 0.6245 GB, free: 2.957 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.304e-06/0.4692, allocations: 0 / 0.6245 GB, free: 2.957 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0004664/0.4696, allocations: 0 / 0.6245 GB, free: 2.957 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2520 * Number of variables: 2520 Notification: Performance of Generate backend data structure: time 0.01982/0.4895, allocations: 7.698 MB / 0.632 GB, free: 11.18 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.852e-05/0.4895, allocations: 8.031 kB / 0.632 GB, free: 11.18 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01145/0.501, allocations: 2.633 MB / 0.6346 GB, free: 8.535 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01186/0.5128, allocations: 3.529 MB / 0.638 GB, free: 4.953 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004777/0.5133, allocations: 439.2 kB / 0.6385 GB, free: 4.523 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002502/0.5158, allocations: 0.5582 MB / 0.639 GB, free: 3.965 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04448/0.5603, allocations: 19.87 MB / 0.6584 GB, free: 14.93 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000212/0.5605, allocations: 63.45 kB / 0.6585 GB, free: 14.87 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009167/0.5614, allocations: 267.8 kB / 0.6587 GB, free: 14.61 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005118/0.5665, allocations: 3.157 MB / 0.6618 GB, free: 11.45 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04053/0.607, allocations: 15.83 MB / 0.6773 GB, free: 11.59 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6992/1.306, allocations: 59.7 MB / 0.7356 GB, free: 139.1 MB / 0.5607 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01634/1.323, allocations: 5.678 MB / 0.7411 GB, free: 139 MB / 0.5607 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002907/1.325, allocations: 1.882 MB / 0.743 GB, free: 139 MB / 0.5607 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01448/1.34, allocations: 7.513 MB / 0.7503 GB, free: 137.7 MB / 0.5607 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.025e-05/1.34, allocations: 59.25 kB / 0.7504 GB, free: 137.6 MB / 0.5607 GB Notification: Performance of pre-optimization done (n=257): time 8.626e-06/1.34, allocations: 0 / 0.7504 GB, free: 137.6 MB / 0.5607 GB Notification: Performance of matching and sorting (n=291): time 0.05077/1.391, allocations: 21.52 MB / 0.7714 GB, free: 124.5 MB / 0.5607 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.212e-05/1.391, allocations: 158.5 kB / 0.7715 GB, free: 124.4 MB / 0.5607 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.006141/1.397, allocations: 5.313 MB / 0.7767 GB, free: 119.3 MB / 0.5607 GB Notification: Performance of collectPreVariables (initialization): time 0.0005828/1.398, allocations: 68.75 kB / 0.7768 GB, free: 119.2 MB / 0.5607 GB Notification: Performance of collectInitialEqns (initialization): time 0.002164/1.4, allocations: 5.06 MB / 0.7817 GB, free: 114.3 MB / 0.5607 GB Notification: Performance of collectInitialBindings (initialization): time 0.001036/1.401, allocations: 1.169 MB / 0.7828 GB, free: 113.2 MB / 0.5607 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001814/1.403, allocations: 1.83 MB / 0.7846 GB, free: 111.3 MB / 0.5607 GB Notification: Performance of setup shared object (initialization): time 4.485e-05/1.403, allocations: 305.1 kB / 0.7849 GB, free: 111 MB / 0.5607 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003384/1.406, allocations: 2.634 MB / 0.7875 GB, free: 108.4 MB / 0.5607 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007012/1.413, allocations: 8.195 MB / 0.7955 GB, free: 97.52 MB / 0.5607 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01121/1.424, allocations: 11.76 MB / 0.807 GB, free: 83.18 MB / 0.5607 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002188/1.424, allocations: 56 kB / 0.807 GB, free: 83.12 MB / 0.5607 GB Notification: Performance of matching and sorting (n=1207) (initialization): time 0.01882/1.443, allocations: 10.51 MB / 0.8173 GB, free: 72.61 MB / 0.5607 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001275/1.443, allocations: 92 kB / 0.8174 GB, free: 72.52 MB / 0.5607 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002174/1.444, allocations: 196 kB / 0.8176 GB, free: 72.33 MB / 0.5607 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001903/1.444, allocations: 260 kB / 0.8178 GB, free: 72.08 MB / 0.5607 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007206/1.451, allocations: 2.211 MB / 0.82 GB, free: 69.86 MB / 0.5607 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002529/1.451, allocations: 394.5 kB / 0.8204 GB, free: 69.48 MB / 0.5607 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006979/1.458, allocations: 451.3 kB / 0.8208 GB, free: 69.04 MB / 0.5607 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00151/1.46, allocations: 0.5469 MB / 0.8213 GB, free: 68.49 MB / 0.5607 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 895 * Number of states: 0 () * Number of discrete variables: 78 (force2.forceArrow.twoHeadedArrow,force2.forceArrow.headAtOrigin,force1.forceArrow.twoHeadedArrow,force1.forceArrow.headAtOrigin,force.forceArrow.twoHeadedArrow,force.forceArrow.headAtOrigin,fixedTranslation1.color[3],fixedTranslation1.color[2],fixedTranslation1.color[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1],force2.connectionLineColor[3],force2.connectionLineColor[2],force2.connectionLineColor[1],force2.forceColor[3],force2.forceColor[2],force2.forceColor[1],prismatic2.boxColor[3],prismatic2.boxColor[2],prismatic2.boxColor[1],damper2.color_b[3],damper2.color_b[2],damper2.color_b[1],damper2.color_a[3],damper2.color_a[2],damper2.color_a[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],force1.connectionLineColor[3],force1.connectionLineColor[2],force1.connectionLineColor[1],force1.forceColor[3],force1.forceColor[2],force1.forceColor[1],prismatic1.boxColor[3],prismatic1.boxColor[2],prismatic1.boxColor[1],damper1.color_b[3],damper1.color_b[2],damper1.color_b[1],damper1.color_a[3],damper1.color_a[2],damper1.color_a[1],body.sphereColor[3],body.sphereColor[2],body.sphereColor[1],force.connectionLineColor[3],force.connectionLineColor[2],force.connectionLineColor[1],force.forceColor[3],force.forceColor[2],force.forceColor[1],prismatic.boxColor[3],prismatic.boxColor[2],prismatic.boxColor[1],damper.color_b[3],damper.color_b[2],damper.color_b[1],damper.color_a[3],damper.color_a[2],damper.color_a[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 (1183): * Single equations (assignments): 1180 * 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 prepare postOptimizeDAE: time 0.0047/1.464, allocations: 3.14 MB / 0.8244 GB, free: 65.34 MB / 0.5607 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008843/1.465, allocations: 484.8 kB / 0.8249 GB, free: 64.86 MB / 0.5607 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004206/1.47, allocations: 2.946 MB / 0.8277 GB, free: 61.9 MB / 0.5607 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.778e-05/1.47, allocations: 33.44 kB / 0.8278 GB, free: 61.87 MB / 0.5607 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.212e-05/1.47, allocations: 0 / 0.8278 GB, free: 61.87 MB / 0.5607 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.231e-05/1.47, allocations: 11.95 kB / 0.8278 GB, free: 61.86 MB / 0.5607 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01702/1.487, allocations: 10.07 MB / 0.8376 GB, free: 51.37 MB / 0.5607 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.302e-05/1.487, allocations: 36.06 kB / 0.8377 GB, free: 51.34 MB / 0.5607 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00194/1.489, allocations: 0.542 MB / 0.8382 GB, free: 50.79 MB / 0.5607 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.957e-05/1.489, allocations: 44 kB / 0.8382 GB, free: 50.75 MB / 0.5607 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001438/1.489, allocations: 95.98 kB / 0.8383 GB, free: 50.66 MB / 0.5607 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.938e-05/1.489, allocations: 59.8 kB / 0.8384 GB, free: 50.6 MB / 0.5607 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.923e-05/1.489, allocations: 51.75 kB / 0.8384 GB, free: 50.55 MB / 0.5607 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005649/1.494, allocations: 5.565 MB / 0.8439 GB, free: 44.45 MB / 0.5607 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001352/1.496, allocations: 464.6 kB / 0.8443 GB, free: 44 MB / 0.5607 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005547/1.496, allocations: 95.97 kB / 0.8444 GB, free: 43.9 MB / 0.5607 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001887/1.498, allocations: 139.3 kB / 0.8445 GB, free: 43.77 MB / 0.5607 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002663/1.499, allocations: 279.8 kB / 0.8448 GB, free: 43.5 MB / 0.5607 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001465/1.499, allocations: 120 kB / 0.8449 GB, free: 43.38 MB / 0.5607 GB Notification: Performance of sorting global known variables: time 0.005254/1.504, allocations: 2.994 MB / 0.8478 GB, free: 40.39 MB / 0.5607 GB Notification: Performance of sort global known variables: time 2.4e-07/1.504, allocations: 0 / 0.8478 GB, free: 40.39 MB / 0.5607 GB Notification: Performance of remove unused functions: time 0.008308/1.512, allocations: 1.398 MB / 0.8492 GB, free: 39 MB / 0.5607 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 142 * Number of states: 7 (body.frame_a.r_0[1],body.v_0[1],prismatic1.s,prismatic1.v,heatCapacitor.T,prismatic2.s,prismatic2.v) * 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 (275): * Single equations (assignments): 272 * 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 0.0007713/1.513, allocations: 258 kB / 0.8494 GB, free: 38.73 MB / 0.5607 GB Notification: Performance of simCode: created initialization part: time 0.009139/1.522, allocations: 5.828 MB / 0.8551 GB, free: 32.94 MB / 0.5607 GB Notification: Performance of simCode: created event and clocks part: time 5.501e-05/1.522, allocations: 4 kB / 0.8551 GB, free: 32.93 MB / 0.5607 GB Notification: Performance of simCode: created simulation system equations: time 0.002032/1.524, allocations: 1.301 MB / 0.8564 GB, free: 31.64 MB / 0.5607 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004581/1.529, allocations: 0.6366 MB / 0.857 GB, free: 31.02 MB / 0.5607 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0257/1.555, allocations: 14.41 MB / 0.8711 GB, free: 16.13 MB / 0.5607 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006433/1.561, allocations: 4.264 MB / 0.8753 GB, free: 11.83 MB / 0.5607 GB Notification: Performance of simCode: alias equations: time 0.006354/1.567, allocations: 2.5 MB / 0.8777 GB, free: 9.324 MB / 0.5607 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009494/1.568, allocations: 355.4 kB / 0.878 GB, free: 8.977 MB / 0.5607 GB Notification: Performance of SimCode: time 1.132e-06/1.568, allocations: 0 / 0.878 GB, free: 8.977 MB / 0.5607 GB Notification: Performance of Templates: time 0.09059/1.659, allocations: 40.22 MB / 0.9173 GB, free: 1.551 MB / 0.5919 GB " [Timeout remaining time 658] make -j1 -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.makefile [Timeout 660] (rm -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.sim & ./ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Forces/Damper/Damper.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.Damper.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: 8.31456934241578]