Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_DeviceDrivers_Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.000288/0.000288, allocations: 0 / 0, free: 0 / 0 " [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 0.0002305/0.0002305, allocations: 0 / 0, free: 0 / 0 " [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 0.1307/0.1307, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/package.mo): time 0.006145/0.006145, allocations: 0 / 0, free: 0 / 0 [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/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 master/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 master/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 master/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] Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/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: simulate(Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger,startTime=0,stopTime=5,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="Modelica_DeviceDrivers_Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") simulate(Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger,startTime=0,stopTime=5,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="Modelica_DeviceDrivers_Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") [Timeout 900] "Notification: Performance of FrontEnd - loaded program: time 8.21e-07/8.21e-07, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 1.4e-05/1.482e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_ExternalTrigger): time 0.003407/0.003421, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.001178/0.004599, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 8.629e-05/0.004685, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.0001822/0.004868, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.0001445/0.005012, allocations: 0 / 0, free: 0 / 0 [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:130:7-137:16:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.clear' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.clear'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:139:5-153:23:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.integerBitPack' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.integerBitPack'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:63:7-72:21:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.addInteger' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.addInteger'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:98:7-105:23:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.resetPointer' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.resetPointer'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:155:5-169:25:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.integerBitUnpack' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.integerBitUnpack'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers master/Blocks/Packaging/SerialPackager.mo:107:7-117:21:writable] Warning: Pure function 'Modelica_DeviceDrivers.Blocks.Packaging.SerialPackager.Internal.DummyFunctions.getInteger' contains a call to impure function 'Modelica_DeviceDrivers.Packaging.SerialPackager_.getInteger'. Notification: Performance of NFTyping.typeClassSections: time 0.0004801/0.005492, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.0002767/0.005769, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.0001767/0.005946, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.000267/0.006213, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.0001784/0.006391, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 4.398e-05/0.006435, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0001889/0.006624, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0001321/0.006756, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 9.725e-05/0.006853, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.000442/0.007295, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 4.064e-05/0.007336, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 8.61e-07/0.007337, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 6.262e-06/0.007343, allocations: 0 / 0, free: 0 / 0 Warning: Alias equations of external objects are not Modelica compliant as in: unpackInt1.pkgOut[1].pkg = unpackInt1.pkgIn.pkg unpackInt.pkgOut[1].pkg = unpackInt.pkgIn.pkg resetPointer.pkgOut[1].pkg = resetPointer.pkgIn.pkg packInt1.pkgOut[1].pkg = packInt1.pkgIn.pkg addInteger.pkgOut[1].pkg = addInteger.pkgIn.pkg packInt.pkgOut[1].pkg = packInt.pkgIn.pkg unpackInt1.pkgOut[1].pkg = getInteger.pkgIn.pkg unpackInt.pkgOut[1].pkg = unpackInt1.pkgIn.pkg resetPointer.pkgOut[1].pkg = unpackInt.pkgIn.pkg addInteger.pkgOut[1].pkg = resetPointer.pkgIn.pkg packInt1.pkgOut[1].pkg = addInteger.pkgIn.pkg packInt.pkgOut[1].pkg = packInt1.pkgIn.pkg packager.pkgOut.pkg = packInt.pkgIn.pkg Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 89 * Number of variables: 89 Notification: Performance of Generate backend data structure: time 0.001077/0.00842, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 7.095e-05/0.008491, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001019/0.008593, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002352/0.008828, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.98e-05/0.008878, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 4.835e-05/0.008926, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004289/0.009355, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 1.331e-05/0.009368, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.158e-05/0.00941, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.766e-06/0.009419, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000133/0.009552, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007678/0.01032, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.0001765/0.0105, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 4.901e-05/0.01054, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 1.479e-05/0.01056, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001566/0.01072, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=29): time 3.105e-06/0.01072, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=29): time 0.0002618/0.01098, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 3.34e-05/0.01101, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.695e-05/0.01109, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 3.769e-05/0.01113, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 7.355e-05/0.0112, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 5.326e-05/0.01126, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 8.114e-05/0.01134, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 1.578e-05/0.01135, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 4.352e-05/0.0114, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 7.424e-05/0.01147, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.000165/0.01164, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.859e-06/0.01164, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=47) (initialization): time 0.0002541/0.01189, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 1.25e-05/0.01191, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.372e-06/0.01191, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 1.871e-05/0.01193, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001745/0.01211, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.303e-05/0.01212, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001106/0.01223, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.533e-05/0.01226, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 22 * Number of states: 0 () * Number of discrete variables: 46 (unpackInt1.dummy,$PRE.unpackInt1.dummy,unpackInt1.y,$PRE.unpackInt1.y,unpackInt1.pkgOut[1].dummy,$PRE.unpackInt1.pkgOut[1].dummy,getInteger.dummy,$PRE.getInteger.dummy,getInteger.y[1],$PRE.getInteger.y[1],unpackInt.dummy,$PRE.unpackInt.dummy,unpackInt.y,$PRE.unpackInt.y,unpackInt.pkgOut[1].dummy,$PRE.unpackInt.pkgOut[1].dummy,resetPointer.dummy,$PRE.resetPointer.dummy,resetPointer.pkgOut[1].dummy,$PRE.resetPointer.pkgOut[1].dummy,packInt1.pkgOut[1].dummy,$PRE.packInt1.pkgOut[1].dummy,addInteger.pkgOut[1].dummy,$PRE.addInteger.pkgOut[1].dummy,packInt.pkgOut[1].dummy,$PRE.packInt.pkgOut[1].dummy,packager.pkgOut.dummy,$PRE.packager.pkgOut.dummy,addInteger.u[1],iExp2.y,unpackInt1.pkgOut[1].trigger,iExp.y,$PRE.iExp.y,$whenCondition1,unpackInt1.pkgIn.autoPkgBitSize,getInteger.pkgIn.autoPkgBitSize,unpackInt.pkgIn.autoPkgBitSize,packager.internalTrigger,getInteger.pkgIn.backwardTrigger,getInteger.pkgIn.userPkgBitSize,resetPointer.pkgIn.autoPkgBitSize,packInt1.pkgIn.autoPkgBitSize,addInteger.pkgIn.autoPkgBitSize,packInt.pkgIn.autoPkgBitSize,packager.bufferSize,packager.backwardPropagatedBufferSize) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (47): * Single equations (assignments): 47 * 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 0.0001324/0.01239, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 3.28e-05/0.01242, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.552e-05/0.01246, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.938e-06/0.01246, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 6.021e-06/0.01247, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.079e-06/0.01247, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003865/0.01286, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.575e-06/0.01286, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.444e-05/0.01289, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 3.607e-06/0.01289, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.303e-05/0.01291, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.308e-06/0.01292, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.144e-06/0.01292, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001888/0.01311, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 2.659e-05/0.01313, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.627e-05/0.01321, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 8.55e-05/0.0133, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 4.247e-05/0.01334, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.097e-05/0.01336, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 2.524e-05/0.01338, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 2.875e-06/0.01339, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.0005616/0.01395, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 29 (packager.internalTrigger,unpackInt.pkgIn.autoPkgBitSize,getInteger.pkgIn.autoPkgBitSize,unpackInt1.pkgIn.autoPkgBitSize,unpackInt1.pkgOut[1].trigger,$whenCondition1,iExp.y,packager.pkgOut.dummy,packInt.pkgOut[1].dummy,addInteger.pkgOut[1].dummy,addInteger.u[1],iExp2.y,packInt1.pkgOut[1].dummy,resetPointer.pkgOut[1].dummy,resetPointer.dummy,unpackInt.pkgOut[1].dummy,unpackInt.y,unpackInt.dummy,getInteger.y[1],getInteger.dummy,unpackInt1.pkgOut[1].dummy,unpackInt1.y,unpackInt1.dummy,packager.backwardPropagatedBufferSize,packager.bufferSize,packInt.pkgIn.autoPkgBitSize,addInteger.pkgIn.autoPkgBitSize,packInt1.pkgIn.autoPkgBitSize,resetPointer.pkgIn.autoPkgBitSize) * Number of discrete states: 1 (iExp.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 6 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 20 * 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 0.000389/0.01434, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.0002224/0.01456, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 2.024e-06/0.01456, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 7.5e-05/0.01464, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004416/0.01508, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005052/0.01558, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 6.321e-05/0.01565, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 5.466e-05/0.0157, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001233/0.01582, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 2.177e-05/0.01585, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Templates: time 0.002399/0.01825, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 900] [Calling sys.exit(0), Time elapsed: 0.821237875148654]