Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance.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 0.0002611/0.0002611, 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 0.5836/0.5836, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 179] 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 0.0004133/0.0004133, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/KundurSMIB/SMIB_Partial.mo:10:8-10:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/KundurSMIB/SMIB_Partial.mo:39:52-39:62:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/KundurSMIB/Generation_Groups/Generator_AVR_PSS.mo:25:8-25:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/KundurSMIB/Generation_Groups/Generator_AVR.mo:25:8-25:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/KundurSMIB/Generation_Groups/Generator.mo:24:8-24:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_2/Network.mo:13:88-13:98:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_2/Generator/Generator.mo:5:8-5:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1Mod/Network.mo:14:88-14:98:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1Mod/Generator/Generator.mo:4:94-4:104:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1/Network3.mo:16:12-16:22:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1/Network2.mo:14:88-14:98:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1/Network1.mo:17:12-17:22:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/DAEMode/SMIB_Examples/Example_1/Generator/Generator.mo:5:8-5:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_2/Generator/Generator.mo:28:8-28:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_2/Generator/Step_2.mo:28:8-28:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_2/Generator/Step_1.mo:28:8-28:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_2/Example_2.mo:18:8-18:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Network/Step_5.mo:16:8-16:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Network/Step_4.mo:12:8-12:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Network/Step_3.mo:12:8-12:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Network/Step_2.mo:12:8-12:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Generator/Generator.mo:27:8-27:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Generator/Step_3.mo:20:8-20:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Generator/Step_2.mo:30:8-30:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Generator/Step_1.mo:20:8-20:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/Examples/Tutorial/Example_1/Example_1.mo:22:8-22:18:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 2220000000 into a real Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo): time 0.336/0.336, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] Using package OpenIPSL with version 3.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance,startTime=0,stopTime=86400,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") simulate(OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance,startTime=0,stopTime=86400,tolerance=1e-06,numberOfIntervals=2500,outputFormat="empty",variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") [Timeout 900] "Notification: Performance of FrontEnd - loaded program: time 1.623e-06/1.623e-06, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 1.744e-05/1.907e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Renewable.PSSE.PVPlantSolarIrradiance): time 0.01845/0.01847, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.0467/0.06518, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.002641/0.06782, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.008612/0.07643, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.007568/0.084, allocations: 0 / 0, free: 0 / 0 [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function 'Modelica.Math.Random.Utilities.initializeImpureRandom' contains a call to impure function 'Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState'. Notification: Performance of NFTyping.typeClassSections: time 0.006509/0.09051, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.007187/0.09769, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.001418/0.09911, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.015/0.1141, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.006453/0.1206, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 0.0006796/0.1212, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.001593/0.1228, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.06435/0.1872, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.004307/0.1915, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.01149/0.203, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 0.00118/0.2042, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 3.737e-06/0.2042, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 0.0002072/0.2044, 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: 377 * Number of variables: 377 Notification: Performance of Generate backend data structure: time 0.05014/0.2545, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 0.000582/0.2551, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002536/0.2576, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.005317/0.2629, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004488/0.2634, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002588/0.2637, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.002077/0.2657, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 4.689e-05/0.2658, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001385/0.2659, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.368e-05/0.266, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008741/0.2668, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01096/0.2778, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.003417/0.2812, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.0004026/0.2816, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 7.471e-05/0.2817, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009801/0.2827, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=136): time 2.238e-05/0.2827, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=136): time 0.01008/0.2928, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001629/0.2929, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01412/0.3071, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 0.0004144/0.3075, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.001305/0.3088, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.0009268/0.3097, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004466/0.3101, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 2.618e-05/0.3102, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.000539/0.3107, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006569/0.3114, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.001316/0.3127, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.44e-05/0.3127, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=208) (initialization): time 0.005697/0.3184, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 6.318e-05/0.3185, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineHomotopy (initialization): time 0.0001218/0.3186, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.135e-05/0.3186, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 0.01051/0.3291, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001177/0.3303, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt generateHomotopyComponents (initialization): time 0.0001035/0.3304, allocations: 0 / 0, free: 0 / 0 Error: Found equation without time-dependent variables: PV.RenewableController.p00.$pDERNLSJac0.dummyVarNLSJac0 = 0.0 Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [BackEnd/SymbolicJacobian.mo:0:0-0:0:writable] Error: Internal error function optimizeJacobianMatrix failed [BackEnd/SymbolicJacobian.mo:0:0-0:0:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 34 ($PRE.irradianceToPower.SolarRadiation.nextTimeEvent,$whenCondition3,$PRE.irradianceToPower.SolarArrayTemperature.nextTimeEvent,$whenCondition2,$whenCondition1,PV.RenewableGenerator.integrator.local_reset,PV.RenewableGenerator.integrator1.local_reset,PV.RenewableController.integrator.local_reset,PV.RenewableController.integrator1.local_reset,PV.RenewableController.integrator2.local_reset,PV.RenewableController.integrator3.local_reset,whiteNoiseInjection.noise_gen.localSeed,globalSeed.seed,whiteNoiseInjection.noise_gen.actualGlobalSeed,globalSeed.id_impure,whiteNoiseInjection.noise_gen.r_raw,$PRE.whiteNoiseInjection.noise_gen.r_raw,whiteNoiseInjection.noise_gen.r,$PRE.whiteNoiseInjection.noise_gen.r,whiteNoiseInjection.noise_gen.state[4],$PRE.whiteNoiseInjection.noise_gen.state[4],whiteNoiseInjection.noise_gen.state[3],$PRE.whiteNoiseInjection.noise_gen.state[3],whiteNoiseInjection.noise_gen.state[2],$PRE.whiteNoiseInjection.noise_gen.state[2],whiteNoiseInjection.noise_gen.state[1],$PRE.whiteNoiseInjection.noise_gen.state[1],irradianceToPower.SolarArrayTemperature.nextTimeEventScaled,$PRE.irradianceToPower.SolarArrayTemperature.nextTimeEventScaled,irradianceToPower.SolarArrayTemperature.nextTimeEvent,irradianceToPower.SolarRadiation.nextTimeEventScaled,$PRE.irradianceToPower.SolarRadiation.nextTimeEventScaled,irradianceToPower.SolarRadiation.nextTimeEvent,PV.RenewableController.Voltage_dip) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (84): * Single equations (assignments): 82 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(18,105)} Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 9 (PV.RenewableGenerator.simpleLag.state,PV.RenewableGenerator.integrator.y,PV.RenewableGenerator.integrator1.y,PV.RenewableController.integrator.y,PV.RenewableController.integrator1.y,PV.RenewableController.integrator2.y,PV.RenewableController.simpleLag.state,PV.RenewableController.simpleLag1.state,PV.RenewableController.integrator3.y) * Number of discrete variables: 14 ($whenCondition3,$whenCondition2,$whenCondition1,PV.RenewableController.Voltage_dip,irradianceToPower.SolarRadiation.nextTimeEvent,irradianceToPower.SolarRadiation.nextTimeEventScaled,irradianceToPower.SolarArrayTemperature.nextTimeEvent,irradianceToPower.SolarArrayTemperature.nextTimeEventScaled,whiteNoiseInjection.noise_gen.state[1],whiteNoiseInjection.noise_gen.state[2],whiteNoiseInjection.noise_gen.state[3],whiteNoiseInjection.noise_gen.state[4],whiteNoiseInjection.noise_gen.r,whiteNoiseInjection.noise_gen.r_raw) * Number of discrete states: 8 (irradianceToPower.SolarRadiation.nextTimeEvent,irradianceToPower.SolarArrayTemperature.nextTimeEvent,whiteNoiseInjection.noise_gen.state[1],whiteNoiseInjection.noise_gen.state[2],whiteNoiseInjection.noise_gen.state[3],whiteNoiseInjection.noise_gen.state[4],irradianceToPower.SolarArrayTemperature.nextTimeEventScaled,irradianceToPower.SolarRadiation.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (104): * Single equations (assignments): 94 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,6), (12,13)} " [Timeout remaining time 894] [Calling sys.exit(0), Time elapsed: 8.246179124806076]