Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.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 0.001803/0.001803, allocations: 93.47 kB / 19.44 MB, free: 336 kB / 13.93 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 0.002018/0.002018, allocations: 169.2 kB / 22.76 MB, free: 1.664 MB / 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 1.513/1.513, allocations: 177.1 MB / 203.1 MB, free: 5.574 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/package.mo): time 0.05308/0.05308, allocations: 6.207 MB / 265.8 MB, free: 7.133 MB / 250.7 MB " [Timeout remaining time 180] Using package VehicleInterfaces with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/VehicleInterfaces 2.0.2/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(VehicleInterfaces.Examples.SeriesHybrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid") translateModel(VehicleInterfaces.Examples.SeriesHybrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.463e-06/1.463e-06, allocations: 0 / 336.9 MB, free: 12.08 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.397e-05/2.543e-05, allocations: 6.312 kB / 336.9 MB, free: 12.07 MB / 266.7 MB Notification: Performance of NFInst.instantiate(VehicleInterfaces.Examples.SeriesHybrid): time 0.02538/0.0254, allocations: 22.63 MB / 359.5 MB, free: 5.348 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.01432/0.03972, allocations: 6.157 MB / 365.7 MB, free: 15.17 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003844/0.04357, allocations: 211 kB / 365.9 MB, free: 14.96 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002852/0.04642, allocations: 0.981 MB / 366.9 MB, free: 13.98 MB / 298.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003096/0.04952, allocations: 0.891 MB / 367.8 MB, free: 13.08 MB / 298.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.009935/0.05945, allocations: 4.501 MB / 372.3 MB, free: 8.566 MB / 298.7 MB Notification: Performance of NFFlatten.flatten: time 0.005918/0.06537, allocations: 3.721 MB / 376 MB, free: 4.832 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006391/0.07176, allocations: 3.694 MB / 379.7 MB, free: 1.055 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003792/0.07555, allocations: 2.277 MB / 382 MB, free: 14.77 MB / 314.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002258/0.07781, allocations: 1.328 MB / 383.3 MB, free: 13.44 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0006212/0.07843, allocations: 400 kB / 383.7 MB, free: 13.05 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001085/0.07952, allocations: 475.8 kB / 384.1 MB, free: 12.59 MB / 314.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0009974/0.08051, allocations: 0.9306 MB / 385.1 MB, free: 11.65 MB / 314.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001695/0.08221, allocations: 1.154 MB / 386.2 MB, free: 10.5 MB / 314.7 MB Notification: Performance of NFConvertDAE.convert: time 0.006008/0.08822, allocations: 4.6 MB / 390.8 MB, free: 5.883 MB / 314.7 MB Notification: Performance of FrontEnd - DAE generated: time 6.001e-06/0.08822, allocations: 4 kB / 390.8 MB, free: 5.879 MB / 314.7 MB Notification: Performance of FrontEnd: time 2.365e-06/0.08823, allocations: 0 / 390.8 MB, free: 5.879 MB / 314.7 MB Notification: Performance of Transformations before backend: time 0.0001515/0.08838, allocations: 4 kB / 390.8 MB, free: 5.875 MB / 314.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 712 * Number of variables: 712 Notification: Performance of Generate backend data structure: time 0.008386/0.09676, allocations: 3.825 MB / 394.7 MB, free: 1.992 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.892e-05/0.0968, allocations: 8.031 kB / 394.7 MB, free: 1.984 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001127/0.09793, allocations: 0.5719 MB / 395.2 MB, free: 1.41 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003372/0.1013, allocations: 1.78 MB / 397 MB, free: 15.58 MB / 330.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002076/0.1015, allocations: 209.2 kB / 397.2 MB, free: 15.38 MB / 330.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004617/0.102, allocations: 283.8 kB / 397.5 MB, free: 15.1 MB / 330.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005977/0.1079, allocations: 3.104 MB / 400.6 MB, free: 11.82 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001241/0.1081, allocations: 23.84 kB / 400.6 MB, free: 11.79 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002451/0.1083, allocations: 108 kB / 400.7 MB, free: 11.69 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001631/0.1085, allocations: 127.9 kB / 400.9 MB, free: 11.56 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004373/0.1129, allocations: 1.943 MB / 402.8 MB, free: 9.605 MB / 330.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1356/0.2485, allocations: 12.54 MB / 415.3 MB, free: 74.01 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001787/0.2503, allocations: 0.978 MB / 416.3 MB, free: 73.93 MB / 330.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001008/0.2513, allocations: 0.5622 MB / 416.9 MB, free: 73.91 MB / 330.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001017/0.2514, allocations: 20.25 kB / 416.9 MB, free: 73.91 MB / 330.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.398e-05/0.2514, allocations: 48.52 kB / 416.9 MB, free: 73.86 MB / 330.7 MB Notification: Performance of pre-optimization done (n=122): time 3.075e-06/0.2514, allocations: 0 / 416.9 MB, free: 73.86 MB / 330.7 MB Notification: Performance of matching and sorting (n=142): time 0.0109/0.2623, allocations: 5.49 MB / 422.4 MB, free: 72.27 MB / 330.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.277e-05/0.2624, allocations: 94.67 kB / 422.5 MB, free: 72.17 MB / 330.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002238/0.2646, allocations: 2.375 MB / 424.9 MB, free: 71.11 MB / 330.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001012/0.2647, allocations: 72.34 kB / 425 MB, free: 71.05 MB / 330.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0008375/0.2655, allocations: 1.678 MB / 426.6 MB, free: 69.94 MB / 330.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003114/0.2658, allocations: 0.5466 MB / 427.2 MB, free: 69.59 MB / 330.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006317/0.2665, allocations: 0.5746 MB / 427.8 MB, free: 69.29 MB / 330.7 MB Notification: Performance of setup shared object (initialization): time 6.046e-05/0.2665, allocations: 484.7 kB / 428.2 MB, free: 68.82 MB / 330.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009993/0.2675, allocations: 0.6247 MB / 428.9 MB, free: 68.61 MB / 330.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001323/0.2689, allocations: 2.009 MB / 430.9 MB, free: 66.46 MB / 330.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002057/0.2709, allocations: 2.572 MB / 433.4 MB, free: 63.42 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.335e-05/0.2709, allocations: 8 kB / 433.5 MB, free: 63.41 MB / 330.7 MB Notification: Performance of matching and sorting (n=294) (initialization): time 0.003909/0.2748, allocations: 2.727 MB / 436.2 MB, free: 60.78 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.645e-05/0.2749, allocations: 16 kB / 436.2 MB, free: 60.77 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.649e-05/0.2749, allocations: 32 kB / 436.2 MB, free: 60.73 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001475/0.2764, allocations: 0.9586 MB / 437.2 MB, free: 59.79 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001199/0.2776, allocations: 451.2 kB / 437.6 MB, free: 59.35 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002428/0.28, allocations: 3.587 MB / 441.2 MB, free: 55.61 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001567/0.2816, allocations: 175.7 kB / 441.4 MB, free: 55.44 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001331/0.2817, allocations: 116 kB / 441.5 MB, free: 55.32 MB / 330.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 136 * Number of states: 0 () * Number of discrete variables: 57 (controlBus.driverBus.ignition,brakes.brake_4.mode,$PRE.brakes.brake_4.mode,brakes.brake_4.locked,brakes.brake_4.startBackward,$PRE.brakes.brake_4.startBackward,brakes.brake_4.startForward,$PRE.brakes.brake_4.startForward,brakes.brake_4.free,brakes.brake_3.mode,$PRE.brakes.brake_3.mode,brakes.brake_3.locked,brakes.brake_3.startBackward,$PRE.brakes.brake_3.startBackward,brakes.brake_3.startForward,$PRE.brakes.brake_3.startForward,brakes.brake_3.free,brakes.brake_2.mode,$PRE.brakes.brake_2.mode,brakes.brake_2.locked,brakes.brake_2.startBackward,$PRE.brakes.brake_2.startBackward,brakes.brake_2.startForward,$PRE.brakes.brake_2.startForward,brakes.brake_2.free,brakes.brake_1.mode,$PRE.brakes.brake_1.mode,brakes.brake_1.locked,brakes.brake_1.startBackward,$PRE.brakes.brake_1.startBackward,brakes.brake_1.startForward,$PRE.brakes.brake_1.startForward,brakes.brake_1.free,accessories.inertia.cylinderColor[3],accessories.inertia.cylinderColor[2],accessories.inertia.cylinderColor[1],engine.flywheel.cylinderColor[3],engine.flywheel.cylinderColor[2],engine.flywheel.cylinderColor[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],driveline.leftHalfShaft.cylinderColor[3],driveline.leftHalfShaft.cylinderColor[2],driveline.leftHalfShaft.cylinderColor[1],driveline.rightHalfShaft.cylinderColor[3],driveline.rightHalfShaft.cylinderColor[2],driveline.rightHalfShaft.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (252): * Single equations (assignments): 250 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,37)} Notification: Performance of prepare postOptimizeDAE: time 0.0008818/0.2826, allocations: 0.6013 MB / 442.1 MB, free: 54.71 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003458/0.2829, allocations: 270.5 kB / 442.4 MB, free: 54.45 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002788/0.2857, allocations: 1.682 MB / 444 MB, free: 52.74 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.307e-06/0.2857, allocations: 19.94 kB / 444.1 MB, free: 52.72 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.098e-06/0.2857, allocations: 0 / 444.1 MB, free: 52.72 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.151e-05/0.2857, allocations: 3.984 kB / 444.1 MB, free: 52.72 MB / 330.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006881/0.2926, allocations: 4.731 MB / 448.8 MB, free: 47.91 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.272e-06/0.2926, allocations: 0 / 448.8 MB, free: 47.91 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007413/0.2934, allocations: 195.7 kB / 449 MB, free: 47.72 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001273/0.2946, allocations: 0.8286 MB / 449.8 MB, free: 46.88 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.139e-05/0.2947, allocations: 47.89 kB / 449.9 MB, free: 46.84 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002408/0.2971, allocations: 3.402 MB / 453.3 MB, free: 43.29 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.815e-06/0.2971, allocations: 4 kB / 453.3 MB, free: 43.28 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003844/0.301, allocations: 2.724 MB / 456 MB, free: 40.49 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007345/0.3017, allocations: 360.9 kB / 456.4 MB, free: 40.14 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000255/0.302, allocations: 59.98 kB / 456.4 MB, free: 40.08 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008479/0.3028, allocations: 79.92 kB / 456.5 MB, free: 40 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004046/0.3032, allocations: 236.8 kB / 456.7 MB, free: 39.77 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.796e-05/0.3033, allocations: 55.95 kB / 456.8 MB, free: 39.72 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.001339/0.3047, allocations: 1.207 MB / 458 MB, free: 38.49 MB / 330.7 MB Notification: Performance of sort global known variables: time 1e-07/0.3047, allocations: 0 / 458 MB, free: 38.49 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.001578/0.3062, allocations: 499.9 kB / 458.5 MB, free: 38 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 6 (chassis.body.s,chassis.dragForces.v_rel,engine.end_1.zeroTorque1D.phi,accessories.inertia.w,generator.inductor.i,driveMotor.inductor.i) * Number of discrete variables: 21 (brakes.brake_1.free,brakes.brake_1.startForward,brakes.brake_1.startBackward,brakes.brake_1.locked,brakes.brake_1.mode,brakes.brake_2.free,brakes.brake_2.startForward,brakes.brake_2.startBackward,brakes.brake_2.locked,brakes.brake_2.mode,brakes.brake_3.free,brakes.brake_3.startForward,brakes.brake_3.startBackward,brakes.brake_3.locked,brakes.brake_3.mode,brakes.brake_4.free,brakes.brake_4.startForward,brakes.brake_4.startBackward,brakes.brake_4.locked,brakes.brake_4.mode,controlBus.driverBus.ignition) * Number of discrete states: 12 (brakes.brake_4.mode,brakes.brake_4.startForward,brakes.brake_4.startBackward,brakes.brake_1.mode,brakes.brake_1.startForward,brakes.brake_1.startBackward,brakes.brake_2.mode,brakes.brake_2.startForward,brakes.brake_2.startBackward,brakes.brake_3.mode,brakes.brake_3.startForward,brakes.brake_3.startBackward) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (106): * Single equations (assignments): 104 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,32)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002462/0.3087, allocations: 473.1 kB / 458.9 MB, free: 37.71 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.002883/0.3116, allocations: 1.99 MB / 460.9 MB, free: 35.7 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 3.787e-06/0.3116, allocations: 0 / 460.9 MB, free: 35.7 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001401/0.313, allocations: 0.9311 MB / 461.9 MB, free: 34.75 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001701/0.3147, allocations: 414.4 kB / 462.3 MB, free: 34.36 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006812/0.3215, allocations: 4.721 MB / 467 MB, free: 29.55 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008159/0.3223, allocations: 1.102 MB / 468.1 MB, free: 28.41 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.000733/0.323, allocations: 304.1 kB / 468.4 MB, free: 28.11 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002904/0.3233, allocations: 144.5 kB / 468.5 MB, free: 27.97 MB / 330.7 MB Notification: Performance of SimCode: time 1.002e-06/0.3233, allocations: 0 / 468.5 MB, free: 27.97 MB / 330.7 MB Notification: Performance of Templates: time 0.03484/0.3582, allocations: 24.91 MB / 493.4 MB, free: 3.332 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.makefile [Timeout 660] (rm -f VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.pipe ; mkfifo VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.pipe ; head -c 1048576 < VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.pipe >> ../files/VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.sim & ./VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid -abortSlowSimulation -alarm=240 -lv LOG_STATS > VehicleInterfaces_VehicleInterfaces.Examples.SeriesHybrid.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.447713598026894]