Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.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 0.002609/0.002609, allocations: 80.52 kB / 19.96 MB, free: 4.598 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 0.003129/0.003129, allocations: 177.2 kB / 23.24 MB, free: 1.32 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 1.609/1.609, allocations: 177.1 MB / 203.5 MB, free: 5.734 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 3.183/3.183, allocations: 389.5 MB / 0.6343 GB, free: 12.59 MB / 0.6042 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.DHC.ETS.Cooling.Examples.Indirect,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect") translateModel(Buildings.DHC.ETS.Cooling.Examples.Indirect,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.613e-06/1.613e-06, allocations: 0 / 1.001 GB, free: 13.03 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.034e-05/3.195e-05, allocations: 5.656 kB / 1.001 GB, free: 13.02 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.DHC.ETS.Cooling.Examples.Indirect): time 0.802/0.802, allocations: 105.4 MB / 1.104 GB, free: 22.18 MB / 0.9948 GB Notification: Performance of NFInst.instExpressions: time 0.05235/0.8544, allocations: 29.01 MB / 1.132 GB, free: 2.559 MB / 0.9948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008094/0.8625, allocations: 179.1 kB / 1.132 GB, free: 2.465 MB / 0.9948 GB Notification: Performance of NFTyping.typeComponents: time 0.01069/0.8732, allocations: 2.749 MB / 1.135 GB, free: 1.121 MB / 0.9948 GB Notification: Performance of NFTyping.typeBindings: time 0.01947/0.8926, allocations: 4.954 MB / 1.14 GB, free: 14.17 MB / 1.01 GB Notification: Performance of NFTyping.typeClassSections: time 0.01456/0.9072, allocations: 4.258 MB / 1.144 GB, free: 11.93 MB / 1.01 GB Notification: Performance of NFFlatten.flatten: time 0.02598/0.9332, allocations: 11.98 MB / 1.156 GB, free: 6.73 MB / 1.01 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006857/0.94, allocations: 2.364 MB / 1.158 GB, free: 5.469 MB / 1.01 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02029/0.9603, allocations: 5.43 MB / 1.163 GB, free: 2.945 MB / 1.01 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007432/0.9677, allocations: 2.039 MB / 1.165 GB, free: 2.234 MB / 1.01 GB Notification: Performance of NFPackage.collectConstants: time 0.00166/0.9694, allocations: 342.8 kB / 1.166 GB, free: 2.234 MB / 1.01 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0113/0.9807, allocations: 2.97 MB / 1.169 GB, free: 1.398 MB / 1.01 GB Notification: Performance of NFScalarize.scalarize: time 0.002563/0.9833, allocations: 1.049 MB / 1.17 GB, free: 0.7422 MB / 1.01 GB Notification: Performance of NFVerifyModel.verify: time 0.005338/0.9886, allocations: 1.325 MB / 1.171 GB, free: 140 kB / 1.01 GB Notification: Performance of NFConvertDAE.convert: time 0.02283/1.011, allocations: 6.844 MB / 1.178 GB, free: 13.28 MB / 1.026 GB Notification: Performance of FrontEnd - DAE generated: time 1.152e-05/1.011, allocations: 5.125 kB / 1.178 GB, free: 13.27 MB / 1.026 GB Notification: Performance of FrontEnd: time 7.594e-06/1.011, allocations: 3.984 kB / 1.178 GB, free: 13.27 MB / 1.026 GB Notification: Performance of Transformations before backend: time 0.000254/1.012, allocations: 3.938 kB / 1.178 GB, free: 13.27 MB / 1.026 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 477 * Number of variables: 477 Notification: Performance of Generate backend data structure: time 0.0166/1.028, allocations: 4.618 MB / 1.182 GB, free: 9.867 MB / 1.026 GB Notification: Performance of prepare preOptimizeDAE: time 5.621e-05/1.028, allocations: 9.938 kB / 1.182 GB, free: 9.867 MB / 1.026 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004908/1.033, allocations: 0.8631 MB / 1.183 GB, free: 9.453 MB / 1.026 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01209/1.045, allocations: 4.216 MB / 1.187 GB, free: 6.48 MB / 1.026 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002568/1.046, allocations: 159 kB / 1.187 GB, free: 6.41 MB / 1.026 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006917/1.046, allocations: 218.8 kB / 1.188 GB, free: 6.332 MB / 1.026 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006271/1.053, allocations: 2.627 MB / 1.19 GB, free: 4.527 MB / 1.026 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.154e-05/1.053, allocations: 5.312 kB / 1.19 GB, free: 4.523 MB / 1.026 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002279/1.053, allocations: 80.12 kB / 1.19 GB, free: 4.465 MB / 1.026 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.226e-05/1.053, allocations: 46.81 kB / 1.19 GB, free: 4.465 MB / 1.026 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005232/1.058, allocations: 2.001 MB / 1.192 GB, free: 3.473 MB / 1.026 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01998/1.078, allocations: 8.328 MB / 1.2 GB, free: 13.19 MB / 1.042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003978/1.082, allocations: 1.479 MB / 1.202 GB, free: 12.43 MB / 1.042 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002137/1.084, allocations: 0.8363 MB / 1.203 GB, free: 12.01 MB / 1.042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0112/1.095, allocations: 3.264 MB / 1.206 GB, free: 9.801 MB / 1.042 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002948/1.098, allocations: 1.258 MB / 1.207 GB, free: 8.879 MB / 1.042 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001796/1.1, allocations: 110.1 kB / 1.207 GB, free: 8.801 MB / 1.042 GB Notification: Performance of pre-optimization done (n=130): time 1.019e-05/1.1, allocations: 4 kB / 1.207 GB, free: 8.797 MB / 1.042 GB Notification: Performance of matching and sorting (n=133): time 0.02061/1.121, allocations: 5.583 MB / 1.213 GB, free: 4.191 MB / 1.042 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001261/1.121, allocations: 124.1 kB / 1.213 GB, free: 4.043 MB / 1.042 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008352/1.129, allocations: 2.79 MB / 1.215 GB, free: 1.254 MB / 1.042 GB Notification: Performance of collectPreVariables (initialization): time 0.0006666/1.13, allocations: 57.7 kB / 1.215 GB, free: 1.191 MB / 1.042 GB Notification: Performance of collectInitialEqns (initialization): time 0.002537/1.132, allocations: 1.538 MB / 1.217 GB, free: 15.64 MB / 1.057 GB Notification: Performance of collectInitialBindings (initialization): time 0.001162/1.134, allocations: 479.8 kB / 1.217 GB, free: 15.16 MB / 1.057 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002028/1.136, allocations: 375.3 kB / 1.218 GB, free: 14.79 MB / 1.057 GB Notification: Performance of setup shared object (initialization): time 0.0002213/1.136, allocations: 308.9 kB / 1.218 GB, free: 14.49 MB / 1.057 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003088/1.139, allocations: 0.7699 MB / 1.219 GB, free: 13.72 MB / 1.057 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004205/1.143, allocations: 1.794 MB / 1.221 GB, free: 11.61 MB / 1.057 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005903/1.149, allocations: 1.902 MB / 1.222 GB, free: 9.555 MB / 1.057 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.299e-05/1.149, allocations: 4 kB / 1.222 GB, free: 9.551 MB / 1.057 GB Notification: Performance of matching and sorting (n=217) (initialization): time 0.008134/1.157, allocations: 2.496 MB / 1.225 GB, free: 7.039 MB / 1.057 GB Notification: Performance of prepare postOptimizeDAE: time 4.292e-05/1.157, allocations: 12 kB / 1.225 GB, free: 7.027 MB / 1.057 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.38e-05/1.157, allocations: 8 kB / 1.225 GB, free: 7.02 MB / 1.057 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001359/1.159, allocations: 318.7 kB / 1.225 GB, free: 6.703 MB / 1.057 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001967/1.161, allocations: 427.4 kB / 1.226 GB, free: 6.285 MB / 1.057 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001991/1.163, allocations: 1.464 MB / 1.227 GB, free: 4.77 MB / 1.057 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003324/1.166, allocations: 167.9 kB / 1.227 GB, free: 4.605 MB / 1.057 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000345/1.166, allocations: 87.95 kB / 1.227 GB, free: 4.52 MB / 1.057 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004239/1.171, allocations: 1.332 MB / 1.229 GB, free: 3.184 MB / 1.057 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003291/1.174, allocations: 1.763 MB / 1.23 GB, free: 1.098 MB / 1.057 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004807/1.179, allocations: 1.844 MB / 1.232 GB, free: 15.1 MB / 1.073 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.148e-05/1.179, allocations: 4 kB / 1.232 GB, free: 15.1 MB / 1.073 GB Notification: Performance of matching and sorting (n=217) (initialization_lambda0): time 0.007354/1.186, allocations: 2.403 MB / 1.234 GB, free: 12.68 MB / 1.073 GB Notification: Performance of prepare postOptimizeDAE: time 2.739e-05/1.186, allocations: 8 kB / 1.234 GB, free: 12.67 MB / 1.073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.807e-05/1.186, allocations: 12 kB / 1.234 GB, free: 12.66 MB / 1.073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001461/1.188, allocations: 295.9 kB / 1.235 GB, free: 12.37 MB / 1.073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001818/1.189, allocations: 419.4 kB / 1.235 GB, free: 11.96 MB / 1.073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003182/1.193, allocations: 2.429 MB / 1.238 GB, free: 9.402 MB / 1.073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003291/1.196, allocations: 184.8 kB / 1.238 GB, free: 9.227 MB / 1.073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003373/1.196, allocations: 83.95 kB / 1.238 GB, free: 9.145 MB / 1.073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * Number of states: 0 () * Number of discrete variables: 8 ($PRE.QCoo.nextTimeEvent,$whenCondition1,cooETS.con.con1.y,cooETS.int.local_reset,cooETS.hex.flowRegime_nominal,QCoo.nextTimeEvent,QCoo.nextTimeEventScaled,$PRE.QCoo.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (197): * Single equations (assignments): 194 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(3,14), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0008109/1.197, allocations: 295.7 kB / 1.238 GB, free: 8.848 MB / 1.073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00159/1.199, allocations: 321.9 kB / 1.238 GB, free: 8.531 MB / 1.073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008282/1.207, allocations: 2.508 MB / 1.241 GB, free: 6.008 MB / 1.073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.785e-05/1.207, allocations: 19.98 kB / 1.241 GB, free: 5.988 MB / 1.073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.127e-06/1.207, allocations: 0 / 1.241 GB, free: 5.988 MB / 1.073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005675/1.213, allocations: 2.065 MB / 1.243 GB, free: 3.852 MB / 1.073 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01471/1.227, allocations: 4.487 MB / 1.247 GB, free: 15.3 MB / 1.089 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.584e-05/1.227, allocations: 11.97 kB / 1.247 GB, free: 15.29 MB / 1.089 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001582/1.229, allocations: 311.5 kB / 1.248 GB, free: 14.98 MB / 1.089 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007418/1.23, allocations: 205 kB / 1.248 GB, free: 14.78 MB / 1.089 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001999/1.23, allocations: 43.97 kB / 1.248 GB, free: 14.74 MB / 1.089 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00193/1.232, allocations: 1.335 MB / 1.249 GB, free: 13.35 MB / 1.089 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.464e-06/1.232, allocations: 4.031 kB / 1.249 GB, free: 13.35 MB / 1.089 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0103/1.242, allocations: 3.522 MB / 1.253 GB, free: 9.781 MB / 1.089 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002654/1.245, allocations: 0.5424 MB / 1.253 GB, free: 9.234 MB / 1.089 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001279/1.246, allocations: 32 kB / 1.253 GB, free: 9.203 MB / 1.089 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002826/1.249, allocations: 140.4 kB / 1.253 GB, free: 9.066 MB / 1.089 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003096/1.249, allocations: 109.1 kB / 1.253 GB, free: 8.957 MB / 1.089 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000283/1.249, allocations: 75.94 kB / 1.253 GB, free: 8.883 MB / 1.089 GB Notification: Performance of sorting global known variables: time 0.005618/1.255, allocations: 1.871 MB / 1.255 GB, free: 7.023 MB / 1.089 GB Notification: Performance of sort global known variables: time 8e-08/1.255, allocations: 0 / 1.255 GB, free: 7.023 MB / 1.089 GB Notification: Performance of remove unused functions: time 0.009472/1.265, allocations: 1.385 MB / 1.257 GB, free: 5.637 MB / 1.089 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 9 (pumBui.motSpe.y,loa.vol.dynBal.medium.T,cooETS.int.y,cooETS.con.I.y,cooETS.senTBuiSup.T,cooETS.senTBuiRet.T,cooETS.senTDisRet.T,cooETS.conVal.actPos.y,cooETS.senTDisSup.T) * Number of discrete variables: 3 ($whenCondition1,QCoo.nextTimeEventScaled,QCoo.nextTimeEvent) * Number of discrete states: 2 (QCoo.nextTimeEvent,QCoo.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (142): * Single equations (assignments): 127 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 11 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,14), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006191/1.271, allocations: 1.162 MB / 1.258 GB, free: 4.652 MB / 1.089 GB Notification: Performance of simCode: created initialization part: time 0.01076/1.281, allocations: 3.068 MB / 1.261 GB, free: 1.582 MB / 1.089 GB Notification: Performance of simCode: created event and clocks part: time 1.075e-05/1.281, allocations: 0 / 1.261 GB, free: 1.582 MB / 1.089 GB Notification: Performance of simCode: created simulation system equations: time 0.00317/1.285, allocations: 0.9652 MB / 1.262 GB, free: 0.6172 MB / 1.089 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01063/1.295, allocations: 1.442 MB / 1.263 GB, free: 15.21 MB / 1.104 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01697/1.312, allocations: 5.858 MB / 1.269 GB, free: 9.297 MB / 1.104 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00239/1.315, allocations: 1.417 MB / 1.27 GB, free: 7.844 MB / 1.104 GB Notification: Performance of simCode: alias equations: time 0.003911/1.319, allocations: 0.7311 MB / 1.271 GB, free: 7.105 MB / 1.104 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008581/1.319, allocations: 260.4 kB / 1.271 GB, free: 6.852 MB / 1.104 GB Notification: Performance of SimCode: time 2.826e-06/1.319, allocations: 0 / 1.271 GB, free: 6.852 MB / 1.104 GB Notification: Performance of Templates: time 0.1305/1.45, allocations: 63.94 MB / 1.334 GB, free: 8.215 MB / 1.167 GB " [Timeout remaining time 299] make -j1 -f Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.makefile [Timeout 300] (rm -f Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.pipe ; mkfifo Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.pipe ; head -c 1048576 < Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.pipe >> ../files/Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.sim & ./Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.DHC.ETS.Cooling.Examples.Indirect.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 12.820172669366002]