Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real [:1:1-1:33:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.01468/0.01468, allocations: 0 / 0, free: 0 / 0 [/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 0.0002613/0.0002613, allocations: 0 / 0, free: 0 / 0 [/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/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 0.0003361/0.0003361, allocations: 0 / 0, free: 0 / 0 [/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/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 0.2859/0.2859, allocations: 0 / 0, free: 0 / 0 [/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/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 0.002205/0.002205, allocations: 0 / 0, free: 0 / 0 [/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/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 0.4834/0.4834, allocations: 0 / 0, free: 0 / 0 [/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 179] 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: simulate(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed,startTime=0,stopTime=8.64e+06,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") simulate(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed,startTime=0,stopTime=8.64e+06,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") [Timeout 900] "Notification: Performance of FrontEnd - loaded program: time 5.11e-07/5.11e-07, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 3.025e-05/3.076e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckWindSpeed): time 0.004673/0.004704, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.004577/0.009281, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 9.059e-05/0.009372, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.000219/0.009591, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.0005958/0.01019, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.0005911/0.01078, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.0004268/0.0112, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 7.672e-05/0.01128, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.04184/0.05312, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.000163/0.05328, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 7.337e-05/0.05335, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0004687/0.05382, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0001092/0.05393, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.0001352/0.05407, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.0007983/0.05487, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 3.345e-05/0.0549, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 2.575e-06/0.0549, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 1.114e-05/0.05491, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 38 * Number of variables: 38 Notification: Performance of Generate backend data structure: time 0.001424/0.05634, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 0.000121/0.05646, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006568/0.05712, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007032/0.05782, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.657e-05/0.05787, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 9.295e-05/0.05797, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009294/0.0589, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 1.883e-05/0.05892, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.801e-05/0.05898, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.03e-05/0.05899, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002742/0.06174, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001743/0.06348, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.0009619/0.06444, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.0003064/0.06475, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 0.0001348/0.06488, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006099/0.06549, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=34): time 7.835e-06/0.0655, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=34): time 0.0017/0.0672, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 5.041e-05/0.06725, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000569/0.06782, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 8.398e-05/0.0679, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.0001792/0.06808, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.0001952/0.06828, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002677/0.06854, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 0.0004599/0.069, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002912/0.0693, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.000433/0.06973, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.0007779/0.07051, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.021e-06/0.07051, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=35) (initialization): time 0.00136/0.07187, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 2.881e-05/0.0719, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.355e-06/0.07191, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 1.701e-05/0.07193, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004238/0.07235, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.155e-06/0.07236, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002194/0.07258, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.797e-05/0.07266, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 3 (conTim.tNext,$PRE.conTim.tNext,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (35): * Single equations (assignments): 35 * Array equations: 0 * 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 0.0003248/0.07298, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002492/0.07323, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001712/0.07494, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.344e-06/0.07495, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 1.02e-05/0.07496, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.037e-06/0.07497, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007228/0.07569, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.292e-06/0.0757, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000384/0.07608, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 8.556e-06/0.07609, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.664e-05/0.07616, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.143e-06/0.07616, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.295e-06/0.07617, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001344/0.07751, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.0003969/0.07791, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001847/0.07809, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00027/0.07836, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001824/0.07854, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.294e-05/0.07863, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.0003197/0.07895, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 8.055e-06/0.07895, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.001048/0.08, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 2 ($whenCondition1,conTim.tNext) * Number of discrete states: 1 (conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (34): * Single equations (assignments): 33 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 0.0004521/0.08045, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.0008853/0.08134, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 5.681e-06/0.08135, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.0004872/0.08183, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001039/0.08287, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001883/0.08475, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001916/0.08495, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.0005384/0.08548, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003445/0.08583, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 3.335e-05/0.08586, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Templates: time 0.002163/0.08803, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 900] [Calling sys.exit(0), Time elapsed: 2.3207122231833637]