Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.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 0.00231/0.00231, allocations: 79.7 kB / 20.23 MB, free: 4.195 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 0.002643/0.002643, allocations: 161.7 kB / 23.55 MB, free: 0.8789 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 1.587/1.587, allocations: 177.1 MB / 203.9 MB, free: 5.602 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 3.082/3.082, allocations: 377.8 MB / 0.6232 GB, free: 8.562 MB / 0.5886 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/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(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|heaHigPow.mWat_flow|cooLimPow.mWat_flow|heaCooUnl.mWat_flow|steSta.mWat_flow|THeaHigPowIn.T|THeaHigPowOut.T|TCooLimPowIn.T|TCooLimPowOut.T|THeaCooUnlIn.T|THeaCooUnlOut.T|TSteStaIn.T|TSteStaOut.T|heaHigPow.Q_flow|cooLimPow.Q_flow|heaCooUnl.Q_flow|steSta.Q_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water") translateModel(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|heaHigPow.mWat_flow|cooLimPow.mWat_flow|heaCooUnl.mWat_flow|steSta.mWat_flow|THeaHigPowIn.T|THeaHigPowOut.T|TCooLimPowIn.T|TCooLimPowOut.T|THeaCooUnlIn.T|THeaCooUnlOut.T|TSteStaIn.T|TSteStaOut.T|heaHigPow.Q_flow|cooLimPow.Q_flow|heaCooUnl.Q_flow|steSta.Q_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.054e-06/2.054e-06, allocations: 0 / 0.8108 GB, free: 2.066 MB / 0.7605 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.222e-05/3.427e-05, allocations: 6.969 kB / 0.8109 GB, free: 2.059 MB / 0.7605 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water): time 0.07392/0.07396, allocations: 56.5 MB / 0.866 GB, free: 9.457 MB / 0.823 GB Notification: Performance of NFInst.instExpressions: time 0.02034/0.0943, allocations: 10.74 MB / 0.8765 GB, free: 14.7 MB / 0.8386 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002671/0.09697, allocations: 91.19 kB / 0.8766 GB, free: 14.61 MB / 0.8386 GB Notification: Performance of NFTyping.typeComponents: time 0.003089/0.1001, allocations: 0.916 MB / 0.8775 GB, free: 13.68 MB / 0.8386 GB Notification: Performance of NFTyping.typeBindings: time 0.007347/0.1074, allocations: 2.14 MB / 0.8796 GB, free: 11.53 MB / 0.8386 GB Notification: Performance of NFTyping.typeClassSections: time 0.00693/0.1143, allocations: 2.126 MB / 0.8817 GB, free: 9.398 MB / 0.8386 GB Notification: Performance of NFFlatten.flatten: time 0.007242/0.1216, allocations: 3.838 MB / 0.8854 GB, free: 5.543 MB / 0.8386 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002343/0.1239, allocations: 1.018 MB / 0.8864 GB, free: 4.508 MB / 0.8386 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00578/0.1297, allocations: 2.464 MB / 0.8888 GB, free: 2.035 MB / 0.8386 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001987/0.1317, allocations: 1.075 MB / 0.8899 GB, free: 0.957 MB / 0.8386 GB Notification: Performance of NFPackage.collectConstants: time 0.0002453/0.1319, allocations: 108 kB / 0.89 GB, free: 0.8516 MB / 0.8386 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002949/0.1349, allocations: 1.048 MB / 0.891 GB, free: 15.8 MB / 0.8542 GB Notification: Performance of NFScalarize.scalarize: time 0.0005534/0.1354, allocations: 422.2 kB / 0.8914 GB, free: 15.39 MB / 0.8542 GB Notification: Performance of NFVerifyModel.verify: time 0.001082/0.1365, allocations: 0.5727 MB / 0.8919 GB, free: 14.81 MB / 0.8542 GB Notification: Performance of NFConvertDAE.convert: time 0.006557/0.1431, allocations: 2.445 MB / 0.8943 GB, free: 12.36 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 5.05e-06/0.1431, allocations: 0 / 0.8943 GB, free: 12.36 MB / 0.8542 GB Notification: Performance of FrontEnd: time 1.313e-06/0.1431, allocations: 0 / 0.8943 GB, free: 12.36 MB / 0.8542 GB Notification: Performance of Transformations before backend: time 3.937e-05/0.1431, allocations: 0 / 0.8943 GB, free: 12.36 MB / 0.8542 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 272 * Number of variables: 272 Notification: Performance of Generate backend data structure: time 0.00483/0.148, allocations: 2.301 MB / 0.8966 GB, free: 10 MB / 0.8542 GB Notification: Performance of prepare preOptimizeDAE: time 5.715e-05/0.148, allocations: 8.031 kB / 0.8966 GB, free: 9.992 MB / 0.8542 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003526/0.1515, allocations: 0.6388 MB / 0.8972 GB, free: 9.352 MB / 0.8542 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002579/0.1541, allocations: 1.133 MB / 0.8983 GB, free: 8.168 MB / 0.8542 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001049/0.1542, allocations: 82.12 kB / 0.8984 GB, free: 8.086 MB / 0.8542 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00021/0.1544, allocations: 116 kB / 0.8985 GB, free: 7.973 MB / 0.8542 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003609/0.158, allocations: 1.548 MB / 0.9 GB, free: 6.223 MB / 0.8542 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.498e-05/0.1581, allocations: 3.938 kB / 0.9 GB, free: 6.219 MB / 0.8542 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001208/0.1582, allocations: 48 kB / 0.9001 GB, free: 6.172 MB / 0.8542 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.141e-05/0.1582, allocations: 28 kB / 0.9001 GB, free: 6.145 MB / 0.8542 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003108/0.1613, allocations: 1.054 MB / 0.9011 GB, free: 5.09 MB / 0.8542 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01228/0.1736, allocations: 8.416 MB / 0.9093 GB, free: 12.4 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002968/0.1766, allocations: 0.9187 MB / 0.9102 GB, free: 11.47 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001304/0.1779, allocations: 449.3 kB / 0.9107 GB, free: 11.03 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001093/0.179, allocations: 286.2 kB / 0.9109 GB, free: 10.75 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001641/0.1806, allocations: 0.5958 MB / 0.9115 GB, free: 10.14 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=85): time 5.52e-06/0.1806, allocations: 4 kB / 0.9115 GB, free: 10.14 MB / 0.8698 GB Notification: Performance of matching and sorting (n=85): time 0.004876/0.1855, allocations: 1.53 MB / 0.913 GB, free: 8.602 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.058e-05/0.1856, allocations: 64.41 kB / 0.9131 GB, free: 8.527 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002662/0.1882, allocations: 1.494 MB / 0.9145 GB, free: 7.004 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.0001295/0.1884, allocations: 45.7 kB / 0.9146 GB, free: 6.953 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001049/0.1894, allocations: 0.9279 MB / 0.9155 GB, free: 6.012 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003976/0.1898, allocations: 325.4 kB / 0.9158 GB, free: 5.691 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004333/0.1902, allocations: 248.5 kB / 0.916 GB, free: 5.441 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0003579/0.1906, allocations: 0.5394 MB / 0.9166 GB, free: 4.895 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001342/0.1919, allocations: 426.3 kB / 0.917 GB, free: 4.477 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002129/0.1941, allocations: 1.202 MB / 0.9181 GB, free: 3 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003273/0.1973, allocations: 1.373 MB / 0.9195 GB, free: 1.418 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.758e-06/0.1974, allocations: 4 kB / 0.9195 GB, free: 1.414 MB / 0.8698 GB Notification: Performance of matching and sorting (n=140) (initialization): time 0.004091/0.2014, allocations: 1.465 MB / 0.9209 GB, free: 15.94 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 2.912e-05/0.2015, allocations: 12 kB / 0.9209 GB, free: 15.93 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.836e-05/0.2015, allocations: 8 kB / 0.9209 GB, free: 15.92 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.741e-05/0.2015, allocations: 20 kB / 0.921 GB, free: 15.9 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001368/0.2029, allocations: 308.1 kB / 0.9212 GB, free: 15.6 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.371e-05/0.2029, allocations: 27.92 kB / 0.9213 GB, free: 15.57 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001214/0.2041, allocations: 167.1 kB / 0.9214 GB, free: 15.41 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001538/0.2043, allocations: 63.97 kB / 0.9215 GB, free: 15.34 MB / 0.8855 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 50 * Number of states: 0 () * Number of discrete variables: 15 ($PRE.setHeaHigPow.nextTimeEvent,$whenCondition3,$PRE.setCooLimPow.nextTimeEvent,$whenCondition2,$PRE.setHeaCooUnl.nextTimeEvent,$whenCondition1,setHeaCooUnl.nextTimeEventScaled,$PRE.setHeaCooUnl.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setCooLimPow.nextTimeEventScaled,$PRE.setCooLimPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,$PRE.setHeaHigPow.nextTimeEventScaled,setHeaHigPow.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (140): * Single equations (assignments): 140 * 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 0.0006715/0.205, allocations: 342.1 kB / 0.9218 GB, free: 15 MB / 0.8855 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003644/0.2053, allocations: 187 kB / 0.922 GB, free: 14.82 MB / 0.8855 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004733/0.2101, allocations: 1.76 MB / 0.9237 GB, free: 13.04 MB / 0.8855 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.345e-05/0.2101, allocations: 19.98 kB / 0.9237 GB, free: 13.02 MB / 0.8855 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.507e-05/0.2101, allocations: 4 kB / 0.9237 GB, free: 13.02 MB / 0.8855 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.516e-05/0.2101, allocations: 3.984 kB / 0.9237 GB, free: 13.02 MB / 0.8855 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006536/0.2167, allocations: 2.895 MB / 0.9266 GB, free: 10.05 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.194e-05/0.2167, allocations: 7.938 kB / 0.9266 GB, free: 10.04 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001109/0.2178, allocations: 199.7 kB / 0.9268 GB, free: 9.844 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.716e-05/0.2178, allocations: 12.06 kB / 0.9268 GB, free: 9.832 MB / 0.8855 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.685e-05/0.2179, allocations: 31.97 kB / 0.9268 GB, free: 9.801 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.164e-05/0.2179, allocations: 8 kB / 0.9268 GB, free: 9.793 MB / 0.8855 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.672e-06/0.2179, allocations: 3.938 kB / 0.9268 GB, free: 9.789 MB / 0.8855 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006825/0.2248, allocations: 2.24 MB / 0.929 GB, free: 7.5 MB / 0.8855 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008529/0.2256, allocations: 306.3 kB / 0.9293 GB, free: 7.199 MB / 0.8855 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002071/0.2258, allocations: 27.98 kB / 0.9293 GB, free: 7.172 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008916/0.2267, allocations: 83.91 kB / 0.9294 GB, free: 7.09 MB / 0.8855 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002045/0.2269, allocations: 80.8 kB / 0.9295 GB, free: 7.012 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001375/0.2271, allocations: 51.95 kB / 0.9295 GB, free: 6.961 MB / 0.8855 GB Notification: Performance of sorting global known variables: time 0.001535/0.2286, allocations: 0.8896 MB / 0.9304 GB, free: 6.074 MB / 0.8855 GB Notification: Performance of sort global known variables: time 9e-08/0.2286, allocations: 0 / 0.9304 GB, free: 6.074 MB / 0.8855 GB Notification: Performance of remove unused functions: time 0.001942/0.2305, allocations: 0.5573 MB / 0.9309 GB, free: 5.516 MB / 0.8855 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (heaHigPow.T,cooLimPow.T,heaCooUnl.T) * Number of discrete variables: 9 ($whenCondition3,$whenCondition2,$whenCondition1,setHeaHigPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setCooLimPow.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled) * Number of discrete states: 6 (setHeaHigPow.nextTimeEvent,setCooLimPow.nextTimeEvent,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled,setCooLimPow.nextTimeEventScaled,setHeaHigPow.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (116): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 25 * When equations: 6 * 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 0.003854/0.2344, allocations: 0.8861 MB / 0.9318 GB, free: 4.812 MB / 0.8855 GB Notification: Performance of simCode: created initialization part: time 0.003563/0.2379, allocations: 1.222 MB / 0.933 GB, free: 3.586 MB / 0.8855 GB Notification: Performance of simCode: created event and clocks part: time 5.009e-06/0.238, allocations: 0 / 0.933 GB, free: 3.586 MB / 0.8855 GB Notification: Performance of simCode: created simulation system equations: time 0.001763/0.2397, allocations: 0.6488 MB / 0.9336 GB, free: 2.941 MB / 0.8855 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00321/0.2429, allocations: 0.6326 MB / 0.9343 GB, free: 2.32 MB / 0.8855 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006157/0.2491, allocations: 2.899 MB / 0.9371 GB, free: 15.34 MB / 0.9011 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008626/0.2499, allocations: 0.715 MB / 0.9378 GB, free: 14.59 MB / 0.9011 GB Notification: Performance of simCode: alias equations: time 0.001222/0.2512, allocations: 331.4 kB / 0.9381 GB, free: 14.27 MB / 0.9011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004434/0.2516, allocations: 168.4 kB / 0.9383 GB, free: 14.1 MB / 0.9011 GB Notification: Performance of SimCode: time 1.563e-06/0.2516, allocations: 0 / 0.9383 GB, free: 14.1 MB / 0.9011 GB Notification: Performance of Templates: time 0.06017/0.3118, allocations: 30.56 MB / 0.9681 GB, free: 224 kB / 0.9167 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.pipe ; mkfifo Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.pipe >> ../files/Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.sim & ./Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Interfaces_Examples_PrescribedOutlet_Water.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_Water.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 9.480224356986582]