Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001941/0.001941, allocations: 113.8 kB / 17.61 MB, free: 4.703 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002211/0.002211, allocations: 186 kB / 20.78 MB, free: 1.547 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.548/1.548, allocations: 225.6 MB / 249.4 MB, free: 3.168 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.912/2.912, allocations: 476.7 MB / 0.7628 GB, free: 15.18 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|expMod.oveWriSet_u|expMod.oveWriAct_u|expMod.rea|expMod.oveWriSet_activate|expMod.oveWriAct_activate",fileNamePrefix="Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder") translateModel(Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|expMod.oveWriSet_u|expMod.oveWriAct_u|expMod.rea|expMod.oveWriSet_activate|expMod.oveWriAct_activate",fileNamePrefix="Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002388/0.002388, allocations: 71.89 kB / 1.107 GB, free: 4.602 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9942/0.9965, allocations: 168.7 MB / 1.272 GB, free: 7.922 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder): time 0.003793/1, allocations: 2.652 MB / 1.275 GB, free: 6.082 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.001551/1.002, allocations: 0.9219 MB / 1.275 GB, free: 5.414 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002514/1.002, allocations: 7.688 kB / 1.275 GB, free: 5.414 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.0002124/1.002, allocations: 68.88 kB / 1.275 GB, free: 5.363 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.0001488/1.003, allocations: 62.78 kB / 1.276 GB, free: 5.312 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00049/1.003, allocations: 240 kB / 1.276 GB, free: 5.152 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.0004559/1.003, allocations: 460.5 kB / 1.276 GB, free: 4.891 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002539/1.004, allocations: 149.9 kB / 1.276 GB, free: 4.793 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001616/1.004, allocations: 143.6 kB / 1.277 GB, free: 4.703 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001332/1.004, allocations: 146.8 kB / 1.277 GB, free: 4.609 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 7.581e-05/1.004, allocations: 50.38 kB / 1.277 GB, free: 4.609 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 6.805e-05/1.004, allocations: 53.94 kB / 1.277 GB, free: 4.605 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 5.817e-05/1.004, allocations: 91.61 kB / 1.277 GB, free: 4.535 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.0001123/1.004, allocations: 186.5 kB / 1.277 GB, free: 4.391 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.0005827/1.005, allocations: 0.625 MB / 1.278 GB, free: 4.133 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.128e-06/1.005, allocations: 5.031 kB / 1.278 GB, free: 4.129 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.313e-06/1.005, allocations: 0 / 1.278 GB, free: 4.129 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 7.835e-06/1.005, allocations: 0 / 1.278 GB, free: 4.129 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 66 * Number of variables: 66 Notification: Performance of Generate backend data structure: time 0.0008332/1.006, allocations: 0.6541 MB / 1.278 GB, free: 3.578 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 3.618e-05/1.006, allocations: 9.156 kB / 1.278 GB, free: 3.578 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.763e-05/1.006, allocations: 44.56 kB / 1.278 GB, free: 3.555 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000447/1.006, allocations: 399.3 kB / 1.279 GB, free: 3.223 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.274e-05/1.006, allocations: 19.97 kB / 1.279 GB, free: 3.211 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.482e-05/1.006, allocations: 26.34 kB / 1.279 GB, free: 3.203 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005451/1.007, allocations: 331.1 kB / 1.279 GB, free: 3.023 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.395e-05/1.007, allocations: 0 / 1.279 GB, free: 3.023 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.877e-05/1.007, allocations: 15.02 kB / 1.279 GB, free: 3.012 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.511e-05/1.007, allocations: 6.125 kB / 1.279 GB, free: 3.012 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004565/1.007, allocations: 236.6 kB / 1.279 GB, free: 2.922 MB / 0.9981 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001445/1.009, allocations: 1.156 MB / 1.28 GB, free: 2.105 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004944/1.009, allocations: 230.9 kB / 1.281 GB, free: 1.992 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000189/1.01, allocations: 92.47 kB / 1.281 GB, free: 1.949 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 3.379e-05/1.01, allocations: 2.703 kB / 1.281 GB, free: 1.949 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.48e-05/1.01, allocations: 36.44 kB / 1.281 GB, free: 1.906 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=16): time 1.262e-06/1.01, allocations: 0 / 1.281 GB, free: 1.906 MB / 0.9981 GB Notification: Performance of matching and sorting (n=16): time 0.0007123/1.01, allocations: 304.5 kB / 1.281 GB, free: 1.762 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.468e-05/1.01, allocations: 79.27 kB / 1.281 GB, free: 1.668 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003644/1.011, allocations: 330.4 kB / 1.281 GB, free: 1.488 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 1.728e-05/1.011, allocations: 26.55 kB / 1.281 GB, free: 1.457 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.000124/1.011, allocations: 196.5 kB / 1.282 GB, free: 1.293 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 4.62e-05/1.011, allocations: 62.11 kB / 1.282 GB, free: 1.242 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.96e-05/1.011, allocations: 40.22 kB / 1.282 GB, free: 1.215 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 7.519e-05/1.011, allocations: 344 kB / 1.282 GB, free: 0.8867 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001822/1.011, allocations: 88.39 kB / 1.282 GB, free: 0.8438 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001915/1.011, allocations: 120.3 kB / 1.282 GB, free: 0.7734 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003472/1.012, allocations: 191.6 kB / 1.282 GB, free: 0.668 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.224e-06/1.012, allocations: 0 / 1.282 GB, free: 0.668 MB / 0.9981 GB Notification: Performance of matching and sorting (n=20) (initialization): time 0.000406/1.012, allocations: 263.2 kB / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 1.546e-05/1.012, allocations: 7.25 kB / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.971e-06/1.012, allocations: 0 / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.808e-05/1.012, allocations: 0.625 kB / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001793/1.012, allocations: 30.11 kB / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.244e-06/1.012, allocations: 1.938 kB / 1.283 GB, free: 0.5352 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001301/1.013, allocations: 27.44 kB / 1.283 GB, free: 0.5195 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.539e-05/1.013, allocations: 4.312 kB / 1.283 GB, free: 0.5195 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001999/1.013, allocations: 196.6 kB / 1.283 GB, free: 388 kB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001339/1.013, allocations: 114.6 kB / 1.283 GB, free: 308 kB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002196/1.013, allocations: 163.8 kB / 1.283 GB, free: 212 kB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.02e-07/1.013, allocations: 0 / 1.283 GB, free: 212 kB / 0.9981 GB Notification: Performance of matching and sorting (n=20) (initialization_lambda0): time 0.000304/1.013, allocations: 232.6 kB / 1.283 GB, free: 84 kB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 7.444e-06/1.013, allocations: 2.719 kB / 1.283 GB, free: 84 kB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.935e-06/1.013, allocations: 1.734 kB / 1.283 GB, free: 84 kB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.885e-06/1.013, allocations: 1.875 kB / 1.283 GB, free: 84 kB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001161/1.014, allocations: 29.42 kB / 1.284 GB, free: 80 kB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.356e-06/1.014, allocations: 1.125 kB / 1.284 GB, free: 80 kB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001051/1.014, allocations: 23.69 kB / 1.284 GB, free: 64 kB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.186e-05/1.014, allocations: 8.219 kB / 1.284 GB, free: 60 kB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 3 (expMod.oveWriAct_activate,expMod.oveWriSet_activate,expMod.mod.conPI.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 20 * 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 0.0001604/1.014, allocations: 194.5 kB / 1.284 GB, free: 15.87 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.322e-05/1.014, allocations: 28.16 kB / 1.284 GB, free: 15.85 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.074e-05/1.014, allocations: 37.64 kB / 1.284 GB, free: 15.83 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.745e-06/1.014, allocations: 0 / 1.284 GB, free: 15.83 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.015e-06/1.014, allocations: 5.656 kB / 1.284 GB, free: 15.82 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.522e-06/1.014, allocations: 5.391 kB / 1.284 GB, free: 15.82 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005106/1.015, allocations: 410.9 kB / 1.284 GB, free: 15.52 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.282e-06/1.015, allocations: 0 / 1.284 GB, free: 15.52 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001616/1.015, allocations: 26.75 kB / 1.284 GB, free: 15.52 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.044e-06/1.015, allocations: 3.969 kB / 1.284 GB, free: 15.52 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.613e-05/1.015, allocations: 4.656 kB / 1.284 GB, free: 15.51 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.723e-06/1.015, allocations: 0 / 1.284 GB, free: 15.51 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.252e-06/1.015, allocations: 0 / 1.284 GB, free: 15.51 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007894/1.015, allocations: 436.3 kB / 1.285 GB, free: 15.25 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001426/1.016, allocations: 140.1 kB / 1.285 GB, free: 15.11 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.95e-05/1.016, allocations: 4.062 kB / 1.285 GB, free: 15.11 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001473/1.016, allocations: 15.77 kB / 1.285 GB, free: 15.1 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.509e-05/1.016, allocations: 12.05 kB / 1.285 GB, free: 15.09 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.137e-05/1.016, allocations: 4.391 kB / 1.285 GB, free: 15.09 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.0002378/1.016, allocations: 235.7 kB / 1.285 GB, free: 14.96 MB / 1.014 GB Notification: Performance of sort global known variables: time 9e-08/1.016, allocations: 0 / 1.285 GB, free: 14.96 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.0003806/1.017, allocations: 93.48 kB / 1.285 GB, free: 14.93 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (expMod.mod.conPI.I.y,expMod.mod.firOrd.y) * Number of discrete variables: 2 (expMod.oveWriSet_activate,expMod.oveWriAct_activate) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (16): * Single equations (assignments): 16 * 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 0.0001176/1.017, allocations: 96.77 kB / 1.285 GB, free: 14.85 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.0005786/1.017, allocations: 276.9 kB / 1.285 GB, free: 14.74 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 1.893e-06/1.017, allocations: 1.562 kB / 1.285 GB, free: 14.74 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.000187/1.017, allocations: 95.83 kB / 1.286 GB, free: 14.7 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005663/1.018, allocations: 99.39 kB / 1.286 GB, free: 14.66 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001188/1.019, allocations: 0.5726 MB / 1.286 GB, free: 14.29 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004456/1.02, allocations: 0.777 MB / 1.287 GB, free: 13.59 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.0001486/1.02, allocations: 33.02 kB / 1.287 GB, free: 13.58 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.14e-05/1.02, allocations: 20.5 kB / 1.287 GB, free: 13.57 MB / 1.014 GB Notification: Performance of SimCode: time 5.61e-07/1.02, allocations: 0 / 1.287 GB, free: 13.57 MB / 1.014 GB Notification: Performance of Templates: time 0.008042/1.028, allocations: 3.24 MB / 1.29 GB, free: 13.31 MB / 1.014 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; mkfifo Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; head -c 1048576 < Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe >> ../files/Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.sim & ./Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Utilities_IO_SignalExchange_Examples_FirstOrder.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Utilities.IO.SignalExchange.Examples.FirstOrder.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: 9.249745369888842]