Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.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 0.001655/0.001655, allocations: 78.64 kB / 19.76 MB, free: 1.875 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 0.001763/0.001763, allocations: 160.4 kB / 23.01 MB, free: 4.598 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 1.497/1.497, allocations: 177.2 MB / 203.4 MB, free: 8.93 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.789/2.789, allocations: 359.1 MB / 0.6044 GB, free: 14.82 MB / 0.5762 GB " [Timeout remaining time 176] Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|RL.i.1.|RL.i.2.|sen.V|sen.theta",fileNamePrefix="Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource") translateModel(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|RL.i.1.|RL.i.2.|sen.V|sen.theta",fileNamePrefix="Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource") [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 0.002145/0.002145, allocations: 67.89 kB / 0.9515 GB, free: 12.75 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4072/0.4093, allocations: 169.9 MB / 1.117 GB, free: 2.516 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource): time 0.004474/0.4138, allocations: 2.445 MB / 1.12 GB, free: 56 kB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.002893/0.4167, allocations: 1.539 MB / 1.121 GB, free: 14.51 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001102/0.4168, allocations: 7.938 kB / 1.121 GB, free: 14.5 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.000773/0.4176, allocations: 171.3 kB / 1.122 GB, free: 14.33 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.0004265/0.418, allocations: 159.3 kB / 1.122 GB, free: 14.18 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004931/0.4185, allocations: 183.5 kB / 1.122 GB, free: 14 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.0003447/0.4189, allocations: 227.3 kB / 1.122 GB, free: 13.77 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002876/0.4191, allocations: 101.1 kB / 1.122 GB, free: 13.68 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002264/0.4194, allocations: 107.7 kB / 1.122 GB, free: 13.57 MB / 1.076 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002555/0.4196, allocations: 107.6 kB / 1.122 GB, free: 13.46 MB / 1.076 GB Notification: Performance of NFPackage.collectConstants: time 3.248e-05/0.4197, allocations: 12 kB / 1.122 GB, free: 13.45 MB / 1.076 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003373/0.42, allocations: 191.7 kB / 1.123 GB, free: 13.27 MB / 1.076 GB Notification: Performance of NFScalarize.scalarize: time 9.398e-05/0.4201, allocations: 71.75 kB / 1.123 GB, free: 13.2 MB / 1.076 GB Notification: Performance of NFVerifyModel.verify: time 9.609e-05/0.4202, allocations: 67.7 kB / 1.123 GB, free: 13.13 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.0004415/0.4206, allocations: 318.9 kB / 1.123 GB, free: 12.82 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 5.039e-06/0.4206, allocations: 0 / 1.123 GB, free: 12.82 MB / 1.076 GB Notification: Performance of FrontEnd: time 1.954e-06/0.4206, allocations: 0 / 1.123 GB, free: 12.82 MB / 1.076 GB Notification: Performance of Transformations before backend: time 6.703e-06/0.4206, allocations: 0 / 1.123 GB, free: 12.82 MB / 1.076 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 39 * Number of variables: 39 Notification: Performance of Generate backend data structure: time 0.0008031/0.4214, allocations: 409.5 kB / 1.123 GB, free: 12.38 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 4.309e-05/0.4215, allocations: 12.03 kB / 1.123 GB, free: 12.37 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007819/0.4223, allocations: 92.67 kB / 1.123 GB, free: 12.28 MB / 1.076 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003062/0.4226, allocations: 173.2 kB / 1.124 GB, free: 12.09 MB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.378e-05/0.4226, allocations: 24.56 kB / 1.124 GB, free: 12.07 MB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.145e-05/0.4226, allocations: 12.38 kB / 1.124 GB, free: 12.05 MB / 1.076 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000562/0.4232, allocations: 325.2 kB / 1.124 GB, free: 11.7 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.761e-05/0.4232, allocations: 0 / 1.124 GB, free: 11.7 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.08e-05/0.4232, allocations: 11.98 kB / 1.124 GB, free: 11.68 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.905e-05/0.4233, allocations: 20.23 kB / 1.124 GB, free: 11.66 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004394/0.4237, allocations: 220.4 kB / 1.124 GB, free: 11.45 MB / 1.076 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001925/0.4257, allocations: 1.303 MB / 1.126 GB, free: 10.08 MB / 1.076 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000352/0.426, allocations: 157 kB / 1.126 GB, free: 9.91 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001149/0.4261, allocations: 61.83 kB / 1.126 GB, free: 9.844 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 2.036e-05/0.4261, allocations: 7.984 kB / 1.126 GB, free: 9.836 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.228e-05/0.4262, allocations: 34.56 kB / 1.126 GB, free: 9.793 MB / 1.076 GB Notification: Performance of pre-optimization done (n=9): time 1.263e-06/0.4262, allocations: 0 / 1.126 GB, free: 9.793 MB / 1.076 GB Notification: Performance of matching and sorting (n=10): time 0.0006317/0.4268, allocations: 241.4 kB / 1.126 GB, free: 9.551 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.332e-05/0.4269, allocations: 81.05 kB / 1.126 GB, free: 9.453 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002744/0.4271, allocations: 207.6 kB / 1.126 GB, free: 9.242 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 2.409e-05/0.4272, allocations: 33.89 kB / 1.126 GB, free: 9.203 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001298/0.4273, allocations: 156 kB / 1.126 GB, free: 9.047 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 3.871e-05/0.4273, allocations: 43.67 kB / 1.126 GB, free: 9.004 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001009/0.4274, allocations: 53.66 kB / 1.127 GB, free: 8.945 MB / 1.076 GB Notification: Performance of setup shared object (initialization): time 0.0001694/0.4276, allocations: 322.8 kB / 1.127 GB, free: 8.621 MB / 1.076 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001787/0.4278, allocations: 84.8 kB / 1.127 GB, free: 8.535 MB / 1.076 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002468/0.428, allocations: 168.4 kB / 1.127 GB, free: 8.332 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003853/0.4284, allocations: 246.9 kB / 1.127 GB, free: 8.051 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.714e-06/0.4284, allocations: 4 kB / 1.127 GB, free: 8.047 MB / 1.076 GB Notification: Performance of matching and sorting (n=25) (initialization): time 0.0005627/0.429, allocations: 285.2 kB / 1.128 GB, free: 7.762 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 1.737e-05/0.429, allocations: 7.281 kB / 1.128 GB, free: 7.758 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.604e-06/0.429, allocations: 4.375 kB / 1.128 GB, free: 7.754 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.858e-05/0.429, allocations: 8 kB / 1.128 GB, free: 7.746 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002901/0.4293, allocations: 59.89 kB / 1.128 GB, free: 7.688 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.41e-05/0.4293, allocations: 11.95 kB / 1.128 GB, free: 7.676 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002592/0.4296, allocations: 27.92 kB / 1.128 GB, free: 7.648 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.963e-05/0.4296, allocations: 19.97 kB / 1.128 GB, free: 7.629 MB / 1.076 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002425/0.4299, allocations: 172.1 kB / 1.128 GB, free: 7.457 MB / 1.076 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002378/0.4301, allocations: 158.5 kB / 1.128 GB, free: 7.266 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003436/0.4304, allocations: 230.9 kB / 1.128 GB, free: 7 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.463e-06/0.4304, allocations: 0 / 1.128 GB, free: 7 MB / 1.076 GB Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.000482/0.4309, allocations: 253.5 kB / 1.128 GB, free: 6.746 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 1.064e-05/0.4309, allocations: 12.06 kB / 1.129 GB, free: 6.734 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.478e-06/0.4309, allocations: 7.938 kB / 1.129 GB, free: 6.727 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.13e-06/0.4309, allocations: 4.125 kB / 1.129 GB, free: 6.723 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002702/0.4312, allocations: 63.89 kB / 1.129 GB, free: 6.66 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.957e-06/0.4312, allocations: 7.938 kB / 1.129 GB, free: 6.652 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002302/0.4315, allocations: 27.86 kB / 1.129 GB, free: 6.625 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.812e-05/0.4315, allocations: 12 kB / 1.129 GB, free: 6.613 MB / 1.076 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (25): * Single equations (assignments): 25 * 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 0.0001371/0.4316, allocations: 192.1 kB / 1.129 GB, free: 6.418 MB / 1.076 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.435e-05/0.4317, allocations: 11.95 kB / 1.129 GB, free: 6.406 MB / 1.076 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002662/0.4319, allocations: 147 kB / 1.129 GB, free: 6.258 MB / 1.076 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.591e-06/0.4319, allocations: 4 kB / 1.129 GB, free: 6.254 MB / 1.076 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.013e-06/0.4319, allocations: 3.938 kB / 1.129 GB, free: 6.25 MB / 1.076 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.417e-06/0.4319, allocations: 0 / 1.129 GB, free: 6.25 MB / 1.076 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001058/0.433, allocations: 0.6454 MB / 1.13 GB, free: 5.539 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.505e-06/0.433, allocations: 4.031 kB / 1.13 GB, free: 5.535 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001069/0.4331, allocations: 27.98 kB / 1.13 GB, free: 5.508 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.528e-05/0.4331, allocations: 4 kB / 1.13 GB, free: 5.504 MB / 1.076 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.309e-05/0.4331, allocations: 4 kB / 1.13 GB, free: 5.5 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.164e-06/0.4331, allocations: 0 / 1.13 GB, free: 5.5 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.144e-06/0.4331, allocations: 7.938 kB / 1.13 GB, free: 5.492 MB / 1.076 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003919/0.4335, allocations: 386.2 kB / 1.13 GB, free: 5.07 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 8.485e-05/0.4336, allocations: 35.83 kB / 1.13 GB, free: 5.035 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.007e-05/0.4337, allocations: 4 kB / 1.13 GB, free: 5.031 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001986/0.4339, allocations: 15.98 kB / 1.13 GB, free: 5.016 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.457e-05/0.4339, allocations: 15.92 kB / 1.13 GB, free: 5 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.113e-05/0.4339, allocations: 8 kB / 1.13 GB, free: 4.992 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.0001805/0.4341, allocations: 151.5 kB / 1.13 GB, free: 4.844 MB / 1.076 GB Notification: Performance of sort global known variables: time 1e-07/0.4341, allocations: 0 / 1.13 GB, free: 4.844 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.0005125/0.4346, allocations: 72 kB / 1.13 GB, free: 4.773 MB / 1.076 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 0 () * 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 (11): * Single equations (assignments): 11 * 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 0.0001663/0.4348, allocations: 107.1 kB / 1.13 GB, free: 4.656 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.0005624/0.4353, allocations: 280.8 kB / 1.131 GB, free: 4.383 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 2.695e-06/0.4353, allocations: 0 / 1.131 GB, free: 4.383 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.0001009/0.4354, allocations: 64.34 kB / 1.131 GB, free: 4.32 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004989/0.4359, allocations: 34.8 kB / 1.131 GB, free: 4.289 MB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007994/0.4367, allocations: 422.7 kB / 1.131 GB, free: 3.82 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000155/0.4369, allocations: 128.3 kB / 1.131 GB, free: 3.676 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 0.0002231/0.4371, allocations: 73.41 kB / 1.131 GB, free: 3.605 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.235e-05/0.4372, allocations: 20.5 kB / 1.131 GB, free: 3.582 MB / 1.076 GB Notification: Performance of SimCode: time 2.71e-07/0.4372, allocations: 0 / 1.131 GB, free: 3.582 MB / 1.076 GB Notification: Performance of Templates: time 0.005872/0.4431, allocations: 2.025 MB / 1.133 GB, free: 1.586 MB / 1.076 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.sim & ./Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource -abortSlowSimulation -alarm=400 -s ida -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.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: 9.255110798054375]