
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:45:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6501.40.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo6501.40.lp
Reading time = 0.26 seconds
: 131015 rows, 2280 columns, 395059 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 131015 rows, 2280 columns and 395059 nonzeros
Model fingerprint: 0x614c378c
Variable types: 47 continuous, 2233 integer (2233 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Presolve removed 43575 rows and 21 columns
Presolve time: 1.30s
Presolved: 87440 rows, 2259 columns, 264808 nonzeros
Variable types: 0 continuous, 2259 integer (2212 binary)
Root relaxation presolved: 2259 rows, 89699 columns, 267067 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   15514    4.8894467e+01   0.000000e+00   1.002544e+05      5s
   35689    4.6807397e+01   0.000000e+00   8.994862e+03     10s
   51037    4.7000000e+01   0.000000e+00   0.000000e+00     14s
   51037    4.7000000e+01   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 4.700000e+01, 51037 iterations, 12.59 seconds (7.57 work units)
Total elapsed time = 28.92s (DegenMoves)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   47.00000    0  616          -   47.00000      -     -   50s
H    0     0                       5.0000000   47.00000   840%     -   50s

Explored 1 nodes (74848 simplex iterations) in 50.05 seconds (52.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.700000000000e+01, gap 840.0000%

Wrote result file './lp_solutions/grafo6501.40.sol'

