Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.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 0.0008619/0.0008619, allocations: 76.5 kB / 19.93 MB, free: 4.621 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 0.0008224/0.0008224, allocations: 177.9 kB / 23.21 MB, free: 1.34 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 0.961/0.961, allocations: 177.1 MB / 203.5 MB, free: 5.738 MB / 186.7 MB " [Timeout remaining time 179] 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 1.789/1.789, allocations: 377.8 MB / 0.6228 GB, free: 8.664 MB / 0.5886 GB " [Timeout remaining time 177] 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.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conBoiRet.TSet|conBoiRet.TRet|conBoiRet.yVal",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn") translateModel(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conBoiRet.TSet|conBoiRet.TRet|conBoiRet.yVal",fileNamePrefix="Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.094e-06/2.094e-06, allocations: 0 / 0.9822 GB, free: 2.09 MB / 0.9323 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.252e-05/3.461e-05, allocations: 6.281 kB / 0.9822 GB, free: 2.082 MB / 0.9323 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn): time 0.002827/0.002862, allocations: 1.956 MB / 0.9841 GB, free: 120 kB / 0.9323 GB Notification: Performance of NFInst.instExpressions: time 0.000807/0.003669, allocations: 442.8 kB / 0.9845 GB, free: 15.68 MB / 0.948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001414/0.00381, allocations: 8 kB / 0.9845 GB, free: 15.67 MB / 0.948 GB Notification: Performance of NFTyping.typeComponents: time 0.0001854/0.003995, allocations: 47.42 kB / 0.9846 GB, free: 15.63 MB / 0.948 GB Notification: Performance of NFTyping.typeBindings: time 0.0002517/0.004247, allocations: 49.8 kB / 0.9846 GB, free: 15.58 MB / 0.948 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001534/0.0044, allocations: 95.84 kB / 0.9847 GB, free: 15.49 MB / 0.948 GB Notification: Performance of NFFlatten.flatten: time 0.0002442/0.004645, allocations: 296.4 kB / 0.985 GB, free: 15.2 MB / 0.948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002305/0.004875, allocations: 97.19 kB / 0.9851 GB, free: 15.1 MB / 0.948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001744/0.005049, allocations: 155.6 kB / 0.9852 GB, free: 14.95 MB / 0.948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001053/0.005155, allocations: 75.77 kB / 0.9853 GB, free: 14.87 MB / 0.948 GB Notification: Performance of NFPackage.collectConstants: time 4.817e-05/0.005203, allocations: 36 kB / 0.9853 GB, free: 14.84 MB / 0.948 GB Notification: Performance of NFFlatten.collectFunctions: time 2.738e-05/0.00523, allocations: 39.94 kB / 0.9854 GB, free: 14.8 MB / 0.948 GB Notification: Performance of NFScalarize.scalarize: time 5.179e-05/0.005282, allocations: 63.77 kB / 0.9854 GB, free: 14.73 MB / 0.948 GB Notification: Performance of NFVerifyModel.verify: time 7.143e-05/0.005354, allocations: 79.75 kB / 0.9855 GB, free: 14.66 MB / 0.948 GB Notification: Performance of NFConvertDAE.convert: time 0.0003636/0.005717, allocations: 402.7 kB / 0.9859 GB, free: 14.26 MB / 0.948 GB Notification: Performance of FrontEnd - DAE generated: time 5.11e-06/0.005722, allocations: 0 / 0.9859 GB, free: 14.26 MB / 0.948 GB Notification: Performance of FrontEnd: time 2.494e-06/0.005725, allocations: 0 / 0.9859 GB, free: 14.26 MB / 0.948 GB Notification: Performance of Transformations before backend: time 5.961e-06/0.005731, allocations: 0 / 0.9859 GB, free: 14.26 MB / 0.948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 47 * Number of variables: 47 Notification: Performance of Generate backend data structure: time 0.0007725/0.006503, allocations: 0.4984 MB / 0.9864 GB, free: 13.73 MB / 0.948 GB Notification: Performance of prepare preOptimizeDAE: time 4.503e-05/0.006548, allocations: 8.031 kB / 0.9864 GB, free: 13.72 MB / 0.948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.834e-05/0.006617, allocations: 28.8 kB / 0.9864 GB, free: 13.7 MB / 0.948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003848/0.007001, allocations: 218.2 kB / 0.9866 GB, free: 13.45 MB / 0.948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.07e-05/0.007022, allocations: 16.88 kB / 0.9866 GB, free: 13.44 MB / 0.948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.251e-05/0.007055, allocations: 16.38 kB / 0.9867 GB, free: 13.42 MB / 0.948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003847/0.007439, allocations: 264.8 kB / 0.9869 GB, free: 13.14 MB / 0.948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.259e-05/0.007452, allocations: 192 / 0.9869 GB, free: 13.14 MB / 0.948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.284e-05/0.007475, allocations: 12.38 kB / 0.9869 GB, free: 13.13 MB / 0.948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.161e-05/0.007486, allocations: 8.125 kB / 0.9869 GB, free: 13.12 MB / 0.948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002707/0.007757, allocations: 173 kB / 0.9871 GB, free: 12.96 MB / 0.948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009007/0.008658, allocations: 0.7014 MB / 0.9878 GB, free: 12.22 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003794/0.009037, allocations: 174.7 kB / 0.988 GB, free: 12.04 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001257/0.009163, allocations: 88.8 kB / 0.988 GB, free: 11.95 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 2.488e-05/0.009188, allocations: 4.219 kB / 0.988 GB, free: 11.95 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.007e-05/0.009218, allocations: 34.5 kB / 0.9881 GB, free: 11.9 MB / 0.948 GB Notification: Performance of pre-optimization done (n=12): time 2.114e-06/0.00922, allocations: 0 / 0.9881 GB, free: 11.9 MB / 0.948 GB Notification: Performance of matching and sorting (n=12): time 0.0004327/0.009653, allocations: 229.4 kB / 0.9883 GB, free: 11.67 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.248e-05/0.009705, allocations: 81.11 kB / 0.9884 GB, free: 11.57 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001922/0.009897, allocations: 215.8 kB / 0.9886 GB, free: 11.35 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 2.097e-05/0.009918, allocations: 25.7 kB / 0.9886 GB, free: 11.32 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001013/0.01002, allocations: 160.2 kB / 0.9888 GB, free: 11.16 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 2.927e-05/0.01005, allocations: 47.58 kB / 0.9888 GB, free: 11.11 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.403e-05/0.0101, allocations: 37.66 kB / 0.9888 GB, free: 11.07 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.0001066/0.01021, allocations: 330.8 kB / 0.9892 GB, free: 10.74 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000122/0.01033, allocations: 72.81 kB / 0.9892 GB, free: 10.66 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001454/0.01048, allocations: 159.6 kB / 0.9894 GB, free: 10.48 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002175/0.01069, allocations: 167.3 kB / 0.9895 GB, free: 10.3 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.065e-06/0.0107, allocations: 0 / 0.9895 GB, free: 10.3 MB / 0.948 GB Notification: Performance of matching and sorting (n=17) (initialization): time 0.0004955/0.01119, allocations: 201.5 kB / 0.9897 GB, free: 10.1 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.907e-05/0.01121, allocations: 7.938 kB / 0.9897 GB, free: 10.09 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.852e-06/0.01122, allocations: 0 / 0.9897 GB, free: 10.09 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.928e-05/0.01124, allocations: 4 kB / 0.9897 GB, free: 10.09 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001086/0.01135, allocations: 36.06 kB / 0.9898 GB, free: 10.05 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.097e-06/0.01136, allocations: 7.938 kB / 0.9898 GB, free: 10.05 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 7.797e-05/0.01143, allocations: 27.88 kB / 0.9898 GB, free: 10.02 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.182e-05/0.01145, allocations: 7.984 kB / 0.9898 GB, free: 10.01 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001338/0.01158, allocations: 160 kB / 0.99 GB, free: 9.852 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001156/0.01169, allocations: 144.5 kB / 0.9901 GB, free: 9.68 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001564/0.01185, allocations: 133.3 kB / 0.9902 GB, free: 9.539 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.333e-06/0.01185, allocations: 0 / 0.9902 GB, free: 9.539 MB / 0.948 GB Notification: Performance of matching and sorting (n=17) (initialization_lambda0): time 0.0002119/0.01206, allocations: 185.4 kB / 0.9904 GB, free: 9.352 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 9.188e-06/0.01207, allocations: 8 kB / 0.9904 GB, free: 9.344 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.463e-06/0.01208, allocations: 0 / 0.9904 GB, free: 9.344 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.226e-06/0.01208, allocations: 4.094 kB / 0.9904 GB, free: 9.34 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.907e-05/0.01215, allocations: 27.98 kB / 0.9904 GB, free: 9.312 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.949e-06/0.01215, allocations: 7.938 kB / 0.9905 GB, free: 9.305 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.822e-05/0.01222, allocations: 31.86 kB / 0.9905 GB, free: 9.273 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.861e-06/0.01223, allocations: 4 kB / 0.9905 GB, free: 9.27 MB / 0.948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 1 (conBoiRet.conPID.con1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (17): * Single equations (assignments): 17 * 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 9.22e-05/0.01232, allocations: 188.2 kB / 0.9907 GB, free: 9.078 MB / 0.948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.551e-05/0.01234, allocations: 15.91 kB / 0.9907 GB, free: 9.062 MB / 0.948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.646e-05/0.01239, allocations: 21.45 kB / 0.9907 GB, free: 9.043 MB / 0.948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.216e-06/0.01239, allocations: 4 kB / 0.9907 GB, free: 9.039 MB / 0.948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.553e-06/0.0124, allocations: 4 kB / 0.9907 GB, free: 9.035 MB / 0.948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.917e-06/0.0124, allocations: 0 / 0.9907 GB, free: 9.035 MB / 0.948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002073/0.01261, allocations: 221 kB / 0.9909 GB, free: 8.789 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.354e-06/0.01261, allocations: 0 / 0.9909 GB, free: 8.789 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001062/0.01272, allocations: 27.92 kB / 0.9909 GB, free: 8.762 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.451e-06/0.01273, allocations: 4 kB / 0.991 GB, free: 8.758 MB / 0.948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.204e-05/0.01274, allocations: 4 kB / 0.991 GB, free: 8.754 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.547e-06/0.01274, allocations: 3.984 kB / 0.991 GB, free: 8.75 MB / 0.948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.683e-06/0.01274, allocations: 0 / 0.991 GB, free: 8.75 MB / 0.948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004265/0.01317, allocations: 350 kB / 0.9913 GB, free: 8.395 MB / 0.948 GB Notification: Performance of postOpt removeConstants (simulation): time 2.895e-05/0.0132, allocations: 15.94 kB / 0.9913 GB, free: 8.379 MB / 0.948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.206e-05/0.01322, allocations: 4 kB / 0.9913 GB, free: 8.375 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.179e-05/0.01329, allocations: 11.98 kB / 0.9913 GB, free: 8.363 MB / 0.948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.841e-05/0.01334, allocations: 11.97 kB / 0.9913 GB, free: 8.352 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.789e-06/0.01335, allocations: 11.92 kB / 0.9913 GB, free: 8.34 MB / 0.948 GB Notification: Performance of sorting global known variables: time 0.0001002/0.01345, allocations: 157.6 kB / 0.9915 GB, free: 8.188 MB / 0.948 GB Notification: Performance of sort global known variables: time 5e-08/0.01345, allocations: 0 / 0.9915 GB, free: 8.188 MB / 0.948 GB Notification: Performance of remove unused functions: time 0.0002483/0.0137, allocations: 75.73 kB / 0.9916 GB, free: 8.113 MB / 0.948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (conBoiRet.conPID.I.y) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 12 * 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 Backend phase and start with SimCode phase: time 0.0001275/0.01383, allocations: 104.1 kB / 0.9917 GB, free: 8.004 MB / 0.948 GB Notification: Performance of simCode: created initialization part: time 0.0003739/0.0142, allocations: 215.9 kB / 0.9919 GB, free: 7.793 MB / 0.948 GB Notification: Performance of simCode: created event and clocks part: time 1.563e-06/0.0142, allocations: 0 / 0.9919 GB, free: 7.793 MB / 0.948 GB Notification: Performance of simCode: created simulation system equations: time 9.909e-05/0.0143, allocations: 63.95 kB / 0.9919 GB, free: 7.73 MB / 0.948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003005/0.0146, allocations: 39.86 kB / 0.992 GB, free: 7.691 MB / 0.948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000664/0.01527, allocations: 404.6 kB / 0.9924 GB, free: 7.262 MB / 0.948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.701e-05/0.01536, allocations: 126.2 kB / 0.9925 GB, free: 7.117 MB / 0.948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.705e-05/0.01542, allocations: 24.48 kB / 0.9925 GB, free: 7.094 MB / 0.948 GB Notification: Performance of SimCode: time 5.71e-07/0.01542, allocations: 4 kB / 0.9925 GB, free: 7.09 MB / 0.948 GB Notification: Performance of Templates: time 0.003525/0.01895, allocations: 2.588 MB / 0.995 GB, free: 4.512 MB / 0.948 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; mkfifo Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; head -c 1048576 < Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe >> ../files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.sim & ./Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.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: 6.9698816407471895]