Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.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 0.001536/0.001536, allocations: 104.3 kB / 19.7 MB, free: 2.156 MB / 14.72 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 0.001711/0.001711, allocations: 207.9 kB / 22.99 MB, free: 4.984 MB / 14.72 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 1.392/1.392, allocations: 230.6 MB / 256.8 MB, free: 7.801 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.012/3.012, allocations: 0.49 GB / 0.7959 GB, free: 35.45 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-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.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|TEnePlu.y|building.weaBus.TDryBul",fileNamePrefix="Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable") translateModel(Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|TEnePlu.y|building.weaBus.TDryBul",fileNamePrefix="Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001973/0.001973, allocations: 69.7 kB / 1.155 GB, free: 25.28 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2792/0.2811, allocations: 176.1 MB / 1.327 GB, free: 0.9844 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable): time 0.007888/0.289, allocations: 5.595 MB / 1.333 GB, free: 11.37 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.1575/0.4466, allocations: 132.2 MB / 1.462 GB, free: 6.641 MB / 1.154 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007317/0.4473, allocations: 27.75 kB / 1.462 GB, free: 6.613 MB / 1.154 GB Notification: Performance of NFTyping.typeComponents: time 0.0007558/0.4481, allocations: 289.7 kB / 1.462 GB, free: 6.328 MB / 1.154 GB Notification: Performance of NFTyping.typeBindings: time 0.001587/0.4496, allocations: 0.6151 MB / 1.463 GB, free: 5.715 MB / 1.154 GB Notification: Performance of NFTyping.typeClassSections: time 0.001859/0.4515, allocations: 0.8951 MB / 1.463 GB, free: 4.824 MB / 1.154 GB Notification: Performance of NFFlatten.flatten: time 0.001573/0.4531, allocations: 1.593 MB / 1.465 GB, free: 3.227 MB / 1.154 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007053/0.4538, allocations: 437.6 kB / 1.465 GB, free: 2.773 MB / 1.154 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006647/0.4544, allocations: 0.5567 MB / 1.466 GB, free: 2.215 MB / 1.154 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006573/0.4551, allocations: 0.5578 MB / 1.466 GB, free: 1.656 MB / 1.154 GB Notification: Performance of NFPackage.collectConstants: time 0.0001931/0.4553, allocations: 152 kB / 1.467 GB, free: 1.508 MB / 1.154 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008935/0.4562, allocations: 0.5816 MB / 1.467 GB, free: 0.9258 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.0003159/0.4565, allocations: 343 kB / 1.468 GB, free: 0.5898 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.0004873/0.457, allocations: 0.4976 MB / 1.468 GB, free: 92 kB / 1.154 GB Notification: Performance of NFConvertDAE.convert: time 0.002355/0.4593, allocations: 2.124 MB / 1.47 GB, free: 13.96 MB / 1.17 GB Notification: Performance of FrontEnd - DAE generated: time 3.166e-06/0.4593, allocations: 0 / 1.47 GB, free: 13.96 MB / 1.17 GB Notification: Performance of FrontEnd: time 1.512e-06/0.4593, allocations: 0 / 1.47 GB, free: 13.96 MB / 1.17 GB Notification: Performance of Transformations before backend: time 1.253e-05/0.4594, allocations: 0 / 1.47 GB, free: 13.96 MB / 1.17 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 206 * Number of variables: 206 Notification: Performance of Generate backend data structure: time 0.002702/0.4621, allocations: 1.553 MB / 1.472 GB, free: 12.37 MB / 1.17 GB Notification: Performance of prepare preOptimizeDAE: time 3.07e-05/0.4621, allocations: 8.031 kB / 1.472 GB, free: 12.36 MB / 1.17 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001176/0.4633, allocations: 224 kB / 1.472 GB, free: 12.14 MB / 1.17 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001493/0.4648, allocations: 0.8742 MB / 1.473 GB, free: 11.24 MB / 1.17 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.756e-05/0.4648, allocations: 62 kB / 1.473 GB, free: 11.18 MB / 1.17 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000123/0.465, allocations: 80 kB / 1.473 GB, free: 11.1 MB / 1.17 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001871/0.4668, allocations: 1.251 MB / 1.474 GB, free: 9.734 MB / 1.17 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.499e-05/0.4668, allocations: 3.938 kB / 1.474 GB, free: 9.73 MB / 1.17 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.671e-05/0.4669, allocations: 32 kB / 1.474 GB, free: 9.699 MB / 1.17 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.995e-05/0.467, allocations: 20 kB / 1.474 GB, free: 9.68 MB / 1.17 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001944/0.4689, allocations: 1.133 MB / 1.475 GB, free: 8.535 MB / 1.17 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003982/0.4729, allocations: 2.506 MB / 1.478 GB, free: 5.969 MB / 1.17 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001661/0.4746, allocations: 0.8861 MB / 1.478 GB, free: 5.047 MB / 1.17 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005957/0.4751, allocations: 330.1 kB / 1.479 GB, free: 4.711 MB / 1.17 GB Notification: Performance of preOpt evalFunc (simulation): time 7.076e-05/0.4752, allocations: 24.62 kB / 1.479 GB, free: 4.688 MB / 1.17 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001004/0.4762, allocations: 0.6406 MB / 1.479 GB, free: 4.004 MB / 1.17 GB Notification: Performance of pre-optimization done (n=81): time 2.555e-06/0.4762, allocations: 0 / 1.479 GB, free: 4.004 MB / 1.17 GB Notification: Performance of matching and sorting (n=81): time 0.002293/0.4785, allocations: 1.182 MB / 1.481 GB, free: 2.797 MB / 1.17 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001639/0.4787, allocations: 273.7 kB / 1.481 GB, free: 2.469 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001009/0.4797, allocations: 0.7625 MB / 1.482 GB, free: 1.699 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 7.355e-05/0.4798, allocations: 45.7 kB / 1.482 GB, free: 1.648 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003704/0.4801, allocations: 437.3 kB / 1.482 GB, free: 1.215 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002351/0.4804, allocations: 269.7 kB / 1.482 GB, free: 0.9492 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003053/0.4807, allocations: 182.6 kB / 1.483 GB, free: 0.7617 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0002062/0.4809, allocations: 390.8 kB / 1.483 GB, free: 380 kB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006219/0.4815, allocations: 339.5 kB / 1.483 GB, free: 36 kB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008524/0.4824, allocations: 0.5867 MB / 1.484 GB, free: 15.38 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001304/0.4837, allocations: 0.7286 MB / 1.484 GB, free: 14.62 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.817e-06/0.4837, allocations: 0 / 1.484 GB, free: 14.62 MB / 1.186 GB Notification: Performance of matching and sorting (n=101) (initialization): time 0.001831/0.4855, allocations: 0.9869 MB / 1.485 GB, free: 13.61 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 4.012e-05/0.4855, allocations: 39.2 kB / 1.485 GB, free: 13.57 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.285e-06/0.4855, allocations: 96 / 1.485 GB, free: 13.57 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001765/0.4857, allocations: 84.25 kB / 1.486 GB, free: 13.47 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007138/0.4864, allocations: 159.7 kB / 1.486 GB, free: 13.31 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004616/0.4869, allocations: 0.6238 MB / 1.486 GB, free: 12.64 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007016/0.4876, allocations: 95.45 kB / 1.486 GB, free: 12.55 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.321e-05/0.4877, allocations: 35.97 kB / 1.486 GB, free: 12.52 MB / 1.186 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 24 (building.weaDat.conTim.canRepeatWeatherFile,building.weaDat.conTimMin.canRepeatWeatherFile,building.weaDat.decAng.tNext,$PRE.building.weaDat.decAng.tNext,building.weaDat.eqnTim.tNext,$PRE.building.weaDat.eqnTim.tNext,building.weaDat.conTim.tNext,$PRE.building.weaDat.conTim.tNext,building.weaDat.conTimMin.tNext,$PRE.building.weaDat.conTimMin.tNext,building.weaDat.locTim.tNext,$PRE.building.weaDat.locTim.tNext,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,TEnePlu.nObj,TEnePlu.tNext,$PRE.TEnePlu.tNext,TEnePlu.yEP[2],TEnePlu.yEP[1],TEnePlu.y,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (98): * Single equations (assignments): 96 * 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 {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0004761/0.4882, allocations: 358.5 kB / 1.487 GB, free: 12.15 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001852/0.4883, allocations: 95.39 kB / 1.487 GB, free: 12.06 MB / 1.186 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002077/0.4904, allocations: 0.9917 MB / 1.488 GB, free: 11.05 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.435e-05/0.4904, allocations: 12 kB / 1.488 GB, free: 11.04 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.37e-06/0.4904, allocations: 0 / 1.488 GB, free: 11.04 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.209e-05/0.4904, allocations: 7.969 kB / 1.488 GB, free: 11.03 MB / 1.186 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009497/0.4914, allocations: 0.7356 MB / 1.489 GB, free: 10.27 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.086e-06/0.4914, allocations: 0 / 1.489 GB, free: 10.27 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006188/0.492, allocations: 139.8 kB / 1.489 GB, free: 10.13 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.201e-06/0.492, allocations: 4 kB / 1.489 GB, free: 10.13 MB / 1.186 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.207e-05/0.4921, allocations: 27.97 kB / 1.489 GB, free: 10.1 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.28e-06/0.4921, allocations: 4 kB / 1.489 GB, free: 10.1 MB / 1.186 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.795e-06/0.4921, allocations: 3.938 kB / 1.489 GB, free: 10.09 MB / 1.186 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00176/0.4939, allocations: 1.013 MB / 1.49 GB, free: 9.043 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004779/0.4943, allocations: 231.7 kB / 1.49 GB, free: 8.816 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001339/0.4945, allocations: 28.03 kB / 1.49 GB, free: 8.789 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006477/0.4951, allocations: 68.55 kB / 1.49 GB, free: 8.723 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001377/0.4953, allocations: 68.88 kB / 1.49 GB, free: 8.656 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.79e-05/0.4953, allocations: 43.97 kB / 1.49 GB, free: 8.613 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.0006715/0.496, allocations: 0.5146 MB / 1.491 GB, free: 8.105 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.2e-07/0.496, allocations: 4 kB / 1.491 GB, free: 8.102 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.0008231/0.4968, allocations: 331.1 kB / 1.491 GB, free: 7.777 MB / 1.186 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,building.weaDat.locTim.tNext,building.weaDat.conTimMin.tNext,building.weaDat.conTim.tNext,building.weaDat.eqnTim.tNext,building.weaDat.decAng.tNext,$whenCondition1,TEnePlu.y,TEnePlu.yEP[1],TEnePlu.yEP[2],TEnePlu.tNext) * Number of discrete states: 6 (TEnePlu.tNext,building.weaDat.locTim.tNext,building.weaDat.conTimMin.tNext,building.weaDat.conTim.tNext,building.weaDat.eqnTim.tNext,building.weaDat.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (92): * Single equations (assignments): 83 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 8 * 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 0.002526/0.4994, allocations: 0.8081 MB / 1.492 GB, free: 7.227 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.001561/0.5009, allocations: 0.8508 MB / 1.493 GB, free: 6.352 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 2.635e-06/0.5009, allocations: 0 / 1.493 GB, free: 6.352 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.0007635/0.5017, allocations: 470.6 kB / 1.493 GB, free: 5.879 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00123/0.5029, allocations: 338.7 kB / 1.493 GB, free: 5.578 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003151/0.5061, allocations: 1.871 MB / 1.495 GB, free: 3.664 MB / 1.186 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005122/0.5066, allocations: 473.6 kB / 1.496 GB, free: 3.168 MB / 1.186 GB Notification: Performance of simCode: alias equations: time 0.0007654/0.5073, allocations: 267 kB / 1.496 GB, free: 2.902 MB / 1.186 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003217/0.5077, allocations: 135.3 kB / 1.496 GB, free: 2.77 MB / 1.186 GB Notification: Performance of SimCode: time 3.9e-07/0.5077, allocations: 0 / 1.496 GB, free: 2.77 MB / 1.186 GB Notification: Performance of Templates: time 0.02876/0.5364, allocations: 17.72 MB / 1.513 GB, free: 1.316 MB / 1.201 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.makefile [Timeout 300] (rm -f Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.pipe ; mkfifo Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.pipe ; head -c 1048576 < Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.pipe >> ../files/Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.sim & ./Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_ThermalZones_EnergyPlus_24_2_0_Validation_OutputVariable_OneEnvironmentOutputVariable.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Validation.OutputVariable.OneEnvironmentOutputVariable.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: 16.564911121007754]