Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.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 0.001575/0.001575, allocations: 88.2 kB / 20.94 MB, free: 3.609 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 0.001052/0.001052, allocations: 169 kB / 24.24 MB, free: 316 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 0.9169/0.9169, allocations: 158.6 MB / 186 MB, free: 2.918 MB / 170.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.1281/0.1281, allocations: 32.37 MB / 270.7 MB, free: 14.77 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.Joints.GearConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|gearConstraint.actuatedRevolute_b.phi|gearConstraint.actuatedRevolute_b.w|inertia2.phi|inertia2.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint") translateModel(ModelicaTest.MultiBody.Joints.GearConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|gearConstraint.actuatedRevolute_b.phi|gearConstraint.actuatedRevolute_b.w|inertia2.phi|inertia2.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.104e-06/2.104e-06, allocations: 0 / 347.7 MB, free: 9.777 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.763e-05/1.974e-05, allocations: 8.219 kB / 347.7 MB, free: 9.77 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Joints.GearConstraint): time 0.01265/0.01267, allocations: 18.61 MB / 366.3 MB, free: 7.082 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.01034/0.02301, allocations: 5.327 MB / 371.6 MB, free: 1.734 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002492/0.0255, allocations: 143.4 kB / 371.8 MB, free: 1.594 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.005466/0.03097, allocations: 5.147 MB / 376.9 MB, free: 12.43 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.006014/0.03698, allocations: 3.402 MB / 380.3 MB, free: 9.012 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001686/0.03867, allocations: 1.01 MB / 381.3 MB, free: 8 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.008463/0.04713, allocations: 8.96 MB / 390.3 MB, free: 15.02 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006176/0.05331, allocations: 6.041 MB / 396.3 MB, free: 8.91 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005285/0.05859, allocations: 4.623 MB / 400.9 MB, free: 4.277 MB / 330.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004382/0.06297, allocations: 4.532 MB / 405.5 MB, free: 15.73 MB / 346.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0008033/0.06378, allocations: 0.6562 MB / 406.1 MB, free: 15.08 MB / 346.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001877/0.06565, allocations: 1.494 MB / 407.6 MB, free: 13.58 MB / 346.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002539/0.06819, allocations: 4.079 MB / 411.7 MB, free: 9.492 MB / 346.7 MB Notification: Performance of NFVerifyModel.verify: time 0.00237/0.07056, allocations: 2.512 MB / 414.2 MB, free: 6.973 MB / 346.7 MB Notification: Performance of NFConvertDAE.convert: time 0.007322/0.07788, allocations: 8.826 MB / 423 MB, free: 14.11 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.44e-06/0.07789, allocations: 4 kB / 423 MB, free: 14.11 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.693e-06/0.07789, allocations: 0 / 423 MB, free: 14.11 MB / 362.7 MB Notification: Performance of Transformations before backend: time 0.000171/0.07806, allocations: 0 / 423 MB, free: 14.11 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3112 * Number of variables: 3112 Notification: Performance of Generate backend data structure: time 0.01101/0.08907, allocations: 9.943 MB / 433 MB, free: 4.074 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.726e-05/0.08912, allocations: 12.03 kB / 433 MB, free: 4.062 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.2682/0.3574, allocations: 6.546 MB / 439.5 MB, free: 89.35 MB / 362.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007466/0.3648, allocations: 4.532 MB / 444.1 MB, free: 88.71 MB / 362.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002299/0.365, allocations: 459.3 kB / 444.5 MB, free: 88.58 MB / 362.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007759/0.3658, allocations: 0.5897 MB / 445.1 MB, free: 88.44 MB / 362.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01139/0.3772, allocations: 11.26 MB / 456.4 MB, free: 77.28 MB / 362.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001138/0.3773, allocations: 71.39 kB / 456.5 MB, free: 77.21 MB / 362.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005137/0.3778, allocations: 281.5 kB / 456.7 MB, free: 77.01 MB / 362.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003255/0.3811, allocations: 4.358 MB / 461.1 MB, free: 72.67 MB / 362.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01094/0.392, allocations: 6.306 MB / 467.4 MB, free: 66.39 MB / 362.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04672/0.4388, allocations: 76.33 MB / 0.531 GB, free: 4.43 MB / 378.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007851/0.4466, allocations: 3.759 MB / 0.5346 GB, free: 0.6406 MB / 378.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002193/0.4488, allocations: 1.56 MB / 0.5362 GB, free: 15.05 MB / 394.8 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001647/0.449, allocations: 74.67 kB / 0.5362 GB, free: 14.98 MB / 394.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.266e-05/0.449, allocations: 80.02 kB / 0.5363 GB, free: 14.89 MB / 394.8 MB Notification: Performance of pre-optimization done (n=450): time 6.042e-06/0.449, allocations: 3.938 kB / 0.5363 GB, free: 14.89 MB / 394.8 MB Notification: Performance of matching and sorting (n=497): time 0.05038/0.4994, allocations: 27.23 MB / 0.5629 GB, free: 3.848 MB / 410.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000109/0.4995, allocations: 227 kB / 0.5631 GB, free: 3.582 MB / 410.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005459/0.505, allocations: 5.727 MB / 0.5687 GB, free: 13.86 MB / 426.8 MB Notification: Performance of collectPreVariables (initialization): time 0.0002919/0.5053, allocations: 97.69 kB / 0.5688 GB, free: 13.75 MB / 426.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.002736/0.508, allocations: 6.103 MB / 0.5748 GB, free: 7.594 MB / 426.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.001366/0.5094, allocations: 1.958 MB / 0.5767 GB, free: 5.621 MB / 426.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002177/0.5115, allocations: 2.458 MB / 0.5791 GB, free: 3.148 MB / 426.8 MB Notification: Performance of setup shared object (initialization): time 0.0002417/0.5118, allocations: 480.7 kB / 0.5795 GB, free: 2.676 MB / 426.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002466/0.5142, allocations: 1.6 MB / 0.5811 GB, free: 1.074 MB / 426.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.17/0.6843, allocations: 10.81 MB / 0.5917 GB, free: 118 MB / 426.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01101/0.6953, allocations: 13.66 MB / 0.605 GB, free: 105.4 MB / 426.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001204/0.6954, allocations: 61.09 kB / 0.6051 GB, free: 105.4 MB / 426.8 MB Notification: Performance of matching and sorting (n=1524) (initialization): time 0.0159/0.7113, allocations: 11.16 MB / 0.616 GB, free: 103.6 MB / 426.8 MB Notification: Performance of prepare postOptimizeDAE: time 9.374e-05/0.7114, allocations: 96.84 kB / 0.616 GB, free: 103.6 MB / 426.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001679/0.7116, allocations: 216.6 kB / 0.6163 GB, free: 103.6 MB / 426.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003744/0.7153, allocations: 1.636 MB / 0.6178 GB, free: 103.6 MB / 426.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005094/0.7204, allocations: 2.634 MB / 0.6204 GB, free: 101.8 MB / 426.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00769/0.7281, allocations: 11.58 MB / 0.6317 GB, free: 91.87 MB / 426.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005219/0.7333, allocations: 0.7395 MB / 0.6324 GB, free: 91.42 MB / 426.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005763/0.7339, allocations: 0.6395 MB / 0.6331 GB, free: 90.8 MB / 426.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 975 * Number of states: 0 () * Number of discrete variables: 51 (fixedFrame1.color_x[3],fixedFrame1.color_x[2],fixedFrame1.color_x[1],fixedFrame2.color_x[3],fixedFrame2.color_x[2],fixedFrame2.color_x[1],fixed.color[3],fixed.color[2],fixed.color[1],torque1.connectionLineColor[3],torque1.connectionLineColor[2],torque1.connectionLineColor[1],torque1.torqueColor[3],torque1.torqueColor[2],torque1.torqueColor[1],cyl2.color[3],cyl2.color[2],cyl2.color[1],cyl2.body.sphereColor[3],cyl2.body.sphereColor[2],cyl2.body.sphereColor[1],cyl1.color[3],cyl1.color[2],cyl1.color[1],cyl1.body.sphereColor[3],cyl1.body.sphereColor[2],cyl1.body.sphereColor[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],gearConstraint.fixedTranslation2.color[3],gearConstraint.fixedTranslation2.color[2],gearConstraint.fixedTranslation2.color[1],gearConstraint.fixedTranslation1.color[3],gearConstraint.fixedTranslation1.color[2],gearConstraint.fixedTranslation1.color[1],gearConstraint.actuatedRevolute_b.cylinderColor[3],gearConstraint.actuatedRevolute_b.cylinderColor[2],gearConstraint.actuatedRevolute_b.cylinderColor[1],gearConstraint.actuatedRevolute_a.cylinderColor[3],gearConstraint.actuatedRevolute_a.cylinderColor[2],gearConstraint.actuatedRevolute_a.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1400): * Single equations (assignments): 1387 * Array equations: 9 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(1,2,100.0%), (1,2,100.0%), (3,40,77.8%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002502/0.7364, allocations: 1.047 MB / 0.6341 GB, free: 89.89 MB / 426.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008994/0.7373, allocations: 0.7226 MB / 0.6348 GB, free: 89.5 MB / 426.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006972/0.7443, allocations: 5.331 MB / 0.64 GB, free: 85.31 MB / 426.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.004e-05/0.7443, allocations: 87.89 kB / 0.6401 GB, free: 85.23 MB / 426.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.509e-05/0.7443, allocations: 11.84 kB / 0.6401 GB, free: 85.22 MB / 426.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.237e-05/0.7444, allocations: 26.97 kB / 0.6401 GB, free: 85.21 MB / 426.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01725/0.7616, allocations: 13.56 MB / 0.6534 GB, free: 72.43 MB / 426.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.728e-05/0.7616, allocations: 12 kB / 0.6534 GB, free: 72.42 MB / 426.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00193/0.7636, allocations: 0.7813 MB / 0.6541 GB, free: 71.64 MB / 426.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003026/0.7666, allocations: 1.33 MB / 0.6554 GB, free: 70.29 MB / 426.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002834/0.7669, allocations: 91.89 kB / 0.6555 GB, free: 70.21 MB / 426.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006853/0.7737, allocations: 10.5 MB / 0.6658 GB, free: 59.34 MB / 426.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.234e-06/0.7737, allocations: 23.81 kB / 0.6658 GB, free: 59.32 MB / 426.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009625/0.7834, allocations: 6.923 MB / 0.6726 GB, free: 52.39 MB / 426.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.00201/0.7854, allocations: 1.266 MB / 0.6738 GB, free: 51.12 MB / 426.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005738/0.7859, allocations: 95.81 kB / 0.6739 GB, free: 51.03 MB / 426.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001836/0.7878, allocations: 387.4 kB / 0.6743 GB, free: 50.65 MB / 426.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006425/0.7884, allocations: 317.8 kB / 0.6746 GB, free: 50.34 MB / 426.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002265/0.7886, allocations: 135.7 kB / 0.6747 GB, free: 50.21 MB / 426.8 MB Notification: Performance of sorting global known variables: time 0.002789/0.7914, allocations: 2.404 MB / 0.677 GB, free: 47.84 MB / 426.8 MB Notification: Performance of sort global known variables: time 1.1e-07/0.7914, allocations: 0 / 0.677 GB, free: 47.84 MB / 426.8 MB Notification: Performance of remove unused functions: time 0.00645/0.7979, allocations: 2.245 MB / 0.6792 GB, free: 45.6 MB / 426.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 48 * Number of states: 4 (gearConstraint.actuatedRevolute_b.phi,gearConstraint.actuatedRevolute_b.w,inertia1.phi,inertia1.w) * 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 (381): * Single equations (assignments): 368 * Array equations: 9 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(3,37,77.8%), (1,2,100.0%), (1,1,100.0%), (1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0006366/0.7985, allocations: 264.7 kB / 0.6795 GB, free: 45.35 MB / 426.8 MB Notification: Performance of simCode: created initialization part: time 0.008631/0.8072, allocations: 7.022 MB / 0.6863 GB, free: 38.3 MB / 426.8 MB Notification: Performance of simCode: created event and clocks part: time 7.514e-06/0.8072, allocations: 0 / 0.6863 GB, free: 38.3 MB / 426.8 MB Notification: Performance of simCode: created simulation system equations: time 0.002664/0.8098, allocations: 2.649 MB / 0.6889 GB, free: 35.58 MB / 426.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003236/0.8131, allocations: 0.6736 MB / 0.6896 GB, free: 34.91 MB / 426.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02055/0.8336, allocations: 16.52 MB / 0.7057 GB, free: 18.1 MB / 426.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001747/0.8354, allocations: 2.559 MB / 0.7082 GB, free: 15.51 MB / 426.8 MB Notification: Performance of simCode: alias equations: time 0.004346/0.8397, allocations: 3.283 MB / 0.7114 GB, free: 12.22 MB / 426.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00104/0.8407, allocations: 436.4 kB / 0.7118 GB, free: 11.79 MB / 426.8 MB Notification: Performance of SimCode: time 1.924e-06/0.8407, allocations: 0 / 0.7118 GB, free: 11.79 MB / 426.8 MB Notification: Performance of Templates: time 0.2292/1.07, allocations: 67.36 MB / 0.7776 GB, free: 129.9 MB / 458.8 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Joints/GearConstraint/GearConstraint.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: 5.581070805899799]