Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.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 0.001831/0.001831, allocations: 84.39 kB / 20.23 MB, free: 4.199 MB / 18.57 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 0.002288/0.002288, allocations: 161.6 kB / 23.55 MB, free: 0.8906 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 1.561/1.561, allocations: 177.1 MB / 203.9 MB, free: 5.574 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.8912/0.8912, allocations: 110.3 MB / 370.6 MB, free: 12.47 MB / 346.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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(BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse") translateModel(BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.854e-06/1.854e-06, allocations: 0 / 474.4 MB, free: 15.26 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.588e-05/2.773e-05, allocations: 2.312 kB / 474.4 MB, free: 15.26 MB / 410.7 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse): time 0.2525/0.2525, allocations: 173.8 MB / 0.633 GB, free: 1.43 MB / 0.5417 GB Notification: Performance of NFInst.instExpressions: time 0.02082/0.2734, allocations: 9.353 MB / 0.6421 GB, free: 8.055 MB / 0.5573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002152/0.2755, allocations: 59.5 kB / 0.6422 GB, free: 7.996 MB / 0.5573 GB Notification: Performance of NFTyping.typeComponents: time 0.002343/0.2779, allocations: 0.7139 MB / 0.6429 GB, free: 7.277 MB / 0.5573 GB Notification: Performance of NFTyping.typeBindings: time 0.007854/0.2857, allocations: 2.526 MB / 0.6454 GB, free: 4.738 MB / 0.5573 GB Notification: Performance of NFTyping.typeClassSections: time 0.004987/0.2907, allocations: 1.655 MB / 0.647 GB, free: 3.078 MB / 0.5573 GB Notification: Performance of NFFlatten.flatten: time 0.3607/0.6514, allocations: 4.206 MB / 0.6511 GB, free: 12.47 MB / 0.5573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00328/0.6546, allocations: 1.715 MB / 0.6528 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003654/0.6583, allocations: 2.096 MB / 0.6548 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0025/0.6608, allocations: 1.239 MB / 0.656 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFPackage.collectConstants: time 0.0004189/0.6612, allocations: 278.6 kB / 0.6563 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004194/0.6654, allocations: 1.979 MB / 0.6582 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFScalarize.scalarize: time 0.0009458/0.6663, allocations: 0.9005 MB / 0.6591 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFVerifyModel.verify: time 0.001313/0.6677, allocations: 0.8953 MB / 0.66 GB, free: 12.33 MB / 0.5573 GB Notification: Performance of NFConvertDAE.convert: time 0.00723/0.6749, allocations: 4.78 MB / 0.6646 GB, free: 12.21 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 5.811e-06/0.6749, allocations: 0 / 0.6646 GB, free: 12.21 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.904e-06/0.6749, allocations: 0 / 0.6646 GB, free: 12.21 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 6.718e-05/0.675, allocations: 0.8125 kB / 0.6646 GB, free: 12.21 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 487 * Number of variables: 487 Notification: Performance of Generate backend data structure: time 0.006933/0.6819, allocations: 2.816 MB / 0.6674 GB, free: 27.02 MB / 0.573 GB Notification: Performance of prepare preOptimizeDAE: time 4.597e-05/0.6819, allocations: 9.062 kB / 0.6674 GB, free: 27.02 MB / 0.573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003207/0.6852, allocations: 0.6914 MB / 0.6681 GB, free: 26.84 MB / 0.573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002784/0.6879, allocations: 1.492 MB / 0.6695 GB, free: 26.44 MB / 0.573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001342/0.6881, allocations: 151.7 kB / 0.6697 GB, free: 26.44 MB / 0.573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003148/0.6884, allocations: 193.3 kB / 0.6699 GB, free: 26.44 MB / 0.573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004636/0.693, allocations: 2.636 MB / 0.6724 GB, free: 25.82 MB / 0.573 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.517e-05/0.6931, allocations: 6.406 kB / 0.6724 GB, free: 25.82 MB / 0.573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001984/0.6933, allocations: 74.47 kB / 0.6725 GB, free: 25.82 MB / 0.573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000105/0.6934, allocations: 78.38 kB / 0.6726 GB, free: 25.82 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005233/0.6986, allocations: 2.759 MB / 0.6753 GB, free: 25.8 MB / 0.573 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 0.01036/0.709, allocations: 5.116 MB / 0.6803 GB, free: 24.9 MB / 0.573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003517/0.7125, allocations: 2.13 MB / 0.6824 GB, free: 24.86 MB / 0.573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001655/0.7141, allocations: 1.032 MB / 0.6834 GB, free: 24.84 MB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008764/0.715, allocations: 193.2 kB / 0.6836 GB, free: 24.84 MB / 0.573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002162/0.7172, allocations: 1.417 MB / 0.6849 GB, free: 24.5 MB / 0.573 GB Notification: Performance of pre-optimization done (n=207): time 4.258e-06/0.7172, allocations: 0 / 0.6849 GB, free: 24.5 MB / 0.573 GB Notification: Performance of matching and sorting (n=207): time 0.006772/0.724, allocations: 3.169 MB / 0.688 GB, free: 24.3 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001588/0.7241, allocations: 208.7 kB / 0.6882 GB, free: 24.08 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001569/0.7257, allocations: 1.035 MB / 0.6892 GB, free: 23.92 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0002206/0.7259, allocations: 62.45 kB / 0.6893 GB, free: 23.89 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005694/0.7265, allocations: 0.7399 MB / 0.69 GB, free: 23.56 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005181/0.727, allocations: 0.7087 MB / 0.6907 GB, free: 23.09 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005096/0.7275, allocations: 341.3 kB / 0.691 GB, free: 23.06 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0001641/0.7277, allocations: 307.4 kB / 0.6913 GB, free: 22.76 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001239/0.7289, allocations: 0.8102 MB / 0.6921 GB, free: 22.76 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001545/0.7304, allocations: 1.212 MB / 0.6933 GB, free: 22.42 MB / 0.573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002806/0.7333, allocations: 1.933 MB / 0.6952 GB, free: 22.32 MB / 0.573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.595e-06/0.7333, allocations: 3.625 kB / 0.6952 GB, free: 22.32 MB / 0.573 GB Notification: Performance of matching and sorting (n=231) (initialization): time 0.004306/0.7376, allocations: 2.334 MB / 0.6975 GB, free: 22.15 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 2.463e-05/0.7376, allocations: 7.844 kB / 0.6975 GB, free: 22.15 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.241e-05/0.7376, allocations: 1.969 kB / 0.6975 GB, free: 22.15 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000952/0.7386, allocations: 142.8 kB / 0.6976 GB, free: 22.14 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001584/0.7401, allocations: 388.7 kB / 0.698 GB, free: 22.14 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002215/0.7424, allocations: 1.499 MB / 0.6995 GB, free: 20.92 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001726/0.7441, allocations: 161.6 kB / 0.6996 GB, free: 20.85 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001805/0.7443, allocations: 72.52 kB / 0.6997 GB, free: 20.85 MB / 0.573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 8 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (229): * Single equations (assignments): 228 * Array equations: 0 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.001146/0.7454, allocations: 0.5175 MB / 0.7002 GB, free: 20.73 MB / 0.573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005712/0.746, allocations: 234.3 kB / 0.7004 GB, free: 20.64 MB / 0.573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004851/0.7508, allocations: 2.585 MB / 0.7029 GB, free: 20.48 MB / 0.573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.854e-05/0.7508, allocations: 27.59 kB / 0.703 GB, free: 20.48 MB / 0.573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.793e-06/0.7509, allocations: 3.75 kB / 0.703 GB, free: 20.48 MB / 0.573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003695/0.7546, allocations: 2.384 MB / 0.7053 GB, free: 19.98 MB / 0.573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009377/0.7639, allocations: 4.757 MB / 0.7099 GB, free: 19.44 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.387e-05/0.7639, allocations: 6.281 kB / 0.7099 GB, free: 19.44 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001527/0.7655, allocations: 360.9 kB / 0.7103 GB, free: 19.44 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009564/0.7664, allocations: 194.6 kB / 0.7105 GB, free: 19.42 MB / 0.573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001492/0.7666, allocations: 55.12 kB / 0.7105 GB, free: 19.42 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003372/0.7699, allocations: 2.959 MB / 0.7134 GB, free: 17.03 MB / 0.573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.791e-06/0.77, allocations: 5.344 kB / 0.7134 GB, free: 17.03 MB / 0.573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006632/0.7766, allocations: 3.885 MB / 0.7172 GB, free: 16.06 MB / 0.573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001253/0.7778, allocations: 453.2 kB / 0.7176 GB, free: 15.82 MB / 0.573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002995/0.7781, allocations: 52.17 kB / 0.7177 GB, free: 15.78 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001237/0.7794, allocations: 83.48 kB / 0.7178 GB, free: 15.75 MB / 0.573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003409/0.7797, allocations: 161 kB / 0.7179 GB, free: 15.73 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001482/0.7799, allocations: 74.58 kB / 0.718 GB, free: 15.71 MB / 0.573 GB Notification: Performance of sorting global known variables: time 0.0009976/0.7809, allocations: 0.7207 MB / 0.7187 GB, free: 15.41 MB / 0.573 GB Notification: Performance of sort global known variables: time 7e-08/0.7809, allocations: 0 / 0.7187 GB, free: 15.41 MB / 0.573 GB Notification: Performance of remove unused functions: time 0.001905/0.7828, allocations: 0.7238 MB / 0.7194 GB, free: 15.22 MB / 0.573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 5 (simpleZone.volRoom.dynBal.medium.Xi[1],simpleZone.volRoom.dynBal.U,simpleZone.volRoom.dynBal.m,simpleZone.door.mExcAB,simpleZone.door.mExcBA) * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (216): * Single equations (assignments): 212 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002793/0.7856, allocations: 0.8026 MB / 0.7202 GB, free: 15.02 MB / 0.573 GB Notification: Performance of simCode: created initialization part: time 0.003624/0.7892, allocations: 2.104 MB / 0.7222 GB, free: 14.27 MB / 0.573 GB Notification: Performance of simCode: created event and clocks part: time 8.757e-06/0.7892, allocations: 2.062 kB / 0.7223 GB, free: 14.27 MB / 0.573 GB Notification: Performance of simCode: created simulation system equations: time 0.001947/0.7911, allocations: 1.31 MB / 0.7235 GB, free: 13.71 MB / 0.573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003176/0.7943, allocations: 0.7533 MB / 0.7243 GB, free: 13.52 MB / 0.573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006518/0.8008, allocations: 4.232 MB / 0.7284 GB, free: 11.39 MB / 0.573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009888/0.8018, allocations: 0.9452 MB / 0.7293 GB, free: 11.17 MB / 0.573 GB Notification: Performance of simCode: alias equations: time 0.002238/0.8041, allocations: 0.6668 MB / 0.73 GB, free: 11.06 MB / 0.573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006002/0.8047, allocations: 179.3 kB / 0.7301 GB, free: 11.03 MB / 0.573 GB Notification: Performance of SimCode: time 1.373e-06/0.8047, allocations: 2.25 kB / 0.7301 GB, free: 11.03 MB / 0.573 GB Notification: Performance of Templates: time 0.06285/0.8675, allocations: 33.04 MB / 0.7624 GB, free: 64 kB / 0.5886 GB " [Timeout remaining time 659] make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.makefile [Timeout 660] (rm -f BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.sim & ./BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 7.697055769967847]