Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.04309/0.04309, allocations: 9.135 MB / 29 MB, free: 6.102 MB / 24.77 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 180] 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 0.0008762/0.0008762, allocations: 94.64 kB / 35.33 MB, free: 0.7695 MB / 24.77 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 0.00122/0.00122, allocations: 161.2 kB / 38.73 MB, free: 2.125 MB / 24.77 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 1.017/1.017, allocations: 177.2 MB / 219.2 MB, free: 10.12 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo): time 0.003952/0.003952, allocations: 0.8144 MB / 276.5 MB, free: 0.7656 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo): time 1.874/1.874, allocations: 274.9 MB / 0.5419 GB, free: 0.6328 MB / 0.4949 GB " [Timeout remaining time 178] Using package AixLib with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo) Using package SDF with version 0.4.5 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/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) Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo) Running command: translateModel(AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection") translateModel(AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 3.326e-06/3.326e-06, allocations: 4 kB / 0.6379 GB, free: 14.09 MB / 0.6043 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.719e-05/3.052e-05, allocations: 6.312 kB / 0.6379 GB, free: 14.09 MB / 0.6043 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection): time 0.009355/0.009386, allocations: 9.697 MB / 0.6474 GB, free: 4.348 MB / 0.6043 GB Notification: Performance of NFInst.instExpressions: time 0.007085/0.01647, allocations: 5.422 MB / 0.6527 GB, free: 14.91 MB / 0.6199 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005499/0.01702, allocations: 39.62 kB / 0.6527 GB, free: 14.87 MB / 0.6199 GB Notification: Performance of NFTyping.typeComponents: time 0.0005792/0.0176, allocations: 250 kB / 0.6529 GB, free: 14.62 MB / 0.6199 GB Notification: Performance of NFTyping.typeBindings: time 0.001219/0.01882, allocations: 0.8037 MB / 0.6537 GB, free: 13.81 MB / 0.6199 GB Notification: Performance of NFTyping.typeClassSections: time 0.003782/0.0226, allocations: 2.055 MB / 0.6557 GB, free: 11.75 MB / 0.6199 GB Notification: Performance of NFFlatten.flatten: time 0.001563/0.02416, allocations: 1.915 MB / 0.6576 GB, free: 9.832 MB / 0.6199 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007112/0.02487, allocations: 0.6495 MB / 0.6582 GB, free: 9.16 MB / 0.6199 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009421/0.02582, allocations: 0.9663 MB / 0.6592 GB, free: 8.191 MB / 0.6199 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005492/0.02637, allocations: 0.553 MB / 0.6597 GB, free: 7.637 MB / 0.6199 GB Notification: Performance of NFPackage.collectConstants: time 9.412e-05/0.02646, allocations: 80 kB / 0.6598 GB, free: 7.559 MB / 0.6199 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007396/0.0272, allocations: 0.5342 MB / 0.6603 GB, free: 7.023 MB / 0.6199 GB Notification: Performance of NFScalarize.scalarize: time 0.0001732/0.02737, allocations: 227.2 kB / 0.6605 GB, free: 6.801 MB / 0.6199 GB Notification: Performance of NFVerifyModel.verify: time 0.0002518/0.02762, allocations: 315.3 kB / 0.6608 GB, free: 6.492 MB / 0.6199 GB Notification: Performance of NFConvertDAE.convert: time 0.0009679/0.02859, allocations: 1.028 MB / 0.6618 GB, free: 5.461 MB / 0.6199 GB Notification: Performance of FrontEnd - DAE generated: time 3.827e-06/0.0286, allocations: 0 / 0.6618 GB, free: 5.461 MB / 0.6199 GB Notification: Performance of FrontEnd: time 1.853e-06/0.0286, allocations: 0 / 0.6618 GB, free: 5.461 MB / 0.6199 GB Notification: Performance of Transformations before backend: time 9.117e-06/0.02861, allocations: 0 / 0.6618 GB, free: 5.461 MB / 0.6199 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 130 * Number of variables: 130 Notification: Performance of Generate backend data structure: time 0.001054/0.02966, allocations: 1.055 MB / 0.6629 GB, free: 4.379 MB / 0.6199 GB Notification: Performance of prepare preOptimizeDAE: time 3.301e-05/0.02969, allocations: 11.98 kB / 0.6629 GB, free: 4.367 MB / 0.6199 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001222/0.02982, allocations: 100.8 kB / 0.663 GB, free: 4.27 MB / 0.6199 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005795/0.0304, allocations: 0.5135 MB / 0.6635 GB, free: 3.727 MB / 0.6199 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.811e-05/0.03042, allocations: 45.25 kB / 0.6635 GB, free: 3.684 MB / 0.6199 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.367e-05/0.03049, allocations: 60 kB / 0.6636 GB, free: 3.625 MB / 0.6199 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004894/0.03098, allocations: 0.543 MB / 0.6641 GB, free: 3.043 MB / 0.6199 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.242e-05/0.03099, allocations: 0 / 0.6641 GB, free: 3.043 MB / 0.6199 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.988e-05/0.03102, allocations: 20 kB / 0.6641 GB, free: 3.023 MB / 0.6199 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.028e-05/0.03103, allocations: 16 kB / 0.6641 GB, free: 3.008 MB / 0.6199 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002961/0.03133, allocations: 237.1 kB / 0.6644 GB, free: 2.773 MB / 0.6199 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001367/0.03269, allocations: 1.11 MB / 0.6655 GB, free: 1.637 MB / 0.6199 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002884/0.03298, allocations: 277.2 kB / 0.6657 GB, free: 1.355 MB / 0.6199 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000101/0.03308, allocations: 101.1 kB / 0.6658 GB, free: 1.254 MB / 0.6199 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000905/0.03399, allocations: 0.8126 MB / 0.6666 GB, free: 436 kB / 0.6199 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.478e-05/0.03401, allocations: 38.92 kB / 0.6667 GB, free: 388 kB / 0.6199 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0001648/0.03418, allocations: 83.64 kB / 0.6667 GB, free: 304 kB / 0.6199 GB Notification: Performance of pre-optimization done (n=46): time 1.623e-06/0.03418, allocations: 3.938 kB / 0.6667 GB, free: 300 kB / 0.6199 GB Notification: Performance of matching and sorting (n=46): time 0.0004128/0.03459, allocations: 338.6 kB / 0.6671 GB, free: 15.95 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.937e-05/0.03464, allocations: 132.5 kB / 0.6672 GB, free: 15.79 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002616/0.0349, allocations: 447 kB / 0.6676 GB, free: 15.35 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 2.914e-05/0.03493, allocations: 33.7 kB / 0.6676 GB, free: 15.31 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.000122/0.03505, allocations: 266.3 kB / 0.6679 GB, free: 15.04 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 8.212e-05/0.03513, allocations: 174.5 kB / 0.6681 GB, free: 14.87 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001108/0.03525, allocations: 110 kB / 0.6682 GB, free: 14.76 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0001039/0.03535, allocations: 382.6 kB / 0.6685 GB, free: 14.38 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 9.745e-05/0.03545, allocations: 63.78 kB / 0.6686 GB, free: 14.31 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001918/0.03564, allocations: 361.9 kB / 0.6689 GB, free: 13.88 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002311/0.03587, allocations: 214 kB / 0.6691 GB, free: 13.66 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.386e-06/0.03587, allocations: 0 / 0.6691 GB, free: 13.66 MB / 0.6355 GB Notification: Performance of matching and sorting (n=59) (initialization): time 0.0003213/0.03619, allocations: 273.3 kB / 0.6694 GB, free: 13.39 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.74e-05/0.03621, allocations: 8 kB / 0.6694 GB, free: 13.39 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.252e-05/0.03622, allocations: 0 / 0.6694 GB, free: 13.39 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.536e-05/0.03624, allocations: 8.062 kB / 0.6694 GB, free: 13.38 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003125/0.03655, allocations: 123.8 kB / 0.6695 GB, free: 13.26 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.17e-06/0.03656, allocations: 7.938 kB / 0.6695 GB, free: 13.25 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001199/0.03668, allocations: 23.98 kB / 0.6696 GB, free: 13.23 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.764e-05/0.03671, allocations: 19.98 kB / 0.6696 GB, free: 13.21 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * 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 initialization (57): * Single equations (assignments): 55 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * 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 0.0001299/0.03684, allocations: 140.5 kB / 0.6697 GB, free: 13.06 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.415e-05/0.03691, allocations: 51.95 kB / 0.6698 GB, free: 13.01 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008927/0.0378, allocations: 0.7727 MB / 0.6705 GB, free: 12.23 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.122e-05/0.03781, allocations: 8 kB / 0.6705 GB, free: 12.22 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.464e-06/0.03782, allocations: 3.984 kB / 0.6705 GB, free: 12.22 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.973e-06/0.03782, allocations: 3.938 kB / 0.6705 GB, free: 12.21 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001013/0.03883, allocations: 1.006 MB / 0.6715 GB, free: 11.16 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.477e-06/0.03884, allocations: 0 / 0.6715 GB, free: 11.16 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002524/0.03909, allocations: 107.8 kB / 0.6716 GB, free: 11.05 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.005e-06/0.0391, allocations: 11.92 kB / 0.6716 GB, free: 11.04 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.834e-05/0.03913, allocations: 16 kB / 0.6716 GB, free: 11.02 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.282e-06/0.03913, allocations: 7.984 kB / 0.6717 GB, free: 11.02 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.715e-06/0.03914, allocations: 4 kB / 0.6717 GB, free: 11.01 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000606/0.03974, allocations: 0.673 MB / 0.6723 GB, free: 10.3 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001394/0.03988, allocations: 123.4 kB / 0.6724 GB, free: 10.18 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.049e-05/0.03993, allocations: 23.94 kB / 0.6725 GB, free: 10.15 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001201/0.04005, allocations: 12 kB / 0.6725 GB, free: 10.14 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.525e-05/0.04012, allocations: 48.56 kB / 0.6725 GB, free: 10.09 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.837e-05/0.04015, allocations: 19.98 kB / 0.6725 GB, free: 10.07 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.000143/0.04029, allocations: 208.3 kB / 0.6727 GB, free: 9.871 MB / 0.6355 GB Notification: Performance of sort global known variables: time 6e-08/0.04029, allocations: 0 / 0.6727 GB, free: 9.871 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0004675/0.04076, allocations: 303.2 kB / 0.673 GB, free: 9.574 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 5 (mixingValveFiltered.filter.x[1],mixingValveFiltered.filter.x[2],temperatureSensorMixed.T,temperatureSensor1.T,temperatureSensor2.T) * 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 (70): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 13 * 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 0.0003666/0.04112, allocations: 269.6 kB / 0.6733 GB, free: 9.305 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0003664/0.04149, allocations: 321.2 kB / 0.6736 GB, free: 8.973 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 6.673e-06/0.0415, allocations: 4 kB / 0.6736 GB, free: 8.969 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0001796/0.04168, allocations: 198.4 kB / 0.6738 GB, free: 8.777 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007098/0.04239, allocations: 318.2 kB / 0.6741 GB, free: 8.469 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001676/0.04406, allocations: 1.353 MB / 0.6754 GB, free: 7.059 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001073/0.04417, allocations: 167.9 kB / 0.6756 GB, free: 6.875 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0004816/0.04465, allocations: 152.8 kB / 0.6757 GB, free: 6.723 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008145/0.04547, allocations: 325 kB / 0.676 GB, free: 6.402 MB / 0.6355 GB Notification: Performance of SimCode: time 9.82e-07/0.04547, allocations: 0 / 0.676 GB, free: 6.402 MB / 0.6355 GB Notification: Performance of Templates: time 0.3163/0.3618, allocations: 17.66 MB / 0.6933 GB, free: 43.53 MB / 0.6355 GB " [Timeout remaining time 660] make -j1 -f AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.makefile [Timeout 660] (rm -f AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.pipe ; mkfifo AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.pipe >> ../files/AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.sim & ./AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > AixLib_AixLib.Fluid.Actuators.Valves.Examples.MixingValveBackwardDirection.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.393671287223697]