
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:53:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7728.49.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/grafo7728.49.lp
Reading time = 0.18 seconds
: 114531 rows, 3117 columns, 346398 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 114531 rows, 3117 columns and 346398 nonzeros
Model fingerprint: 0xf0e3e7d5
Variable types: 57 continuous, 3060 integer (3060 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, 6e+01]
Presolve removed 11371 rows and 2 columns
Presolve time: 0.63s
Presolved: 103160 rows, 3115 columns, 312752 nonzeros
Variable types: 0 continuous, 3115 integer (3058 binary)
Root relaxation presolved: 3076 rows, 106236 columns, 315867 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18760    4.6941721e+01   0.000000e+00   1.250824e+05      5s
   36734    4.6917913e+01   0.000000e+00   1.940751e+04     10s
   53457    4.6910162e+01   0.000000e+00   8.676565e+03     15s
   69344    4.6907963e+01   0.000000e+00   5.032091e+03     20s
   84810    4.6907577e+01   0.000000e+00   1.462021e+01     25s
   86292    4.7000000e+01   0.000000e+00   0.000000e+00     25s
   86292    4.7000000e+01   0.000000e+00   0.000000e+00     25s
   86292    4.7000000e+01   0.000000e+00   0.000000e+00     25s

Root relaxation: objective 4.700000e+01, 86292 iterations, 24.62 seconds (20.52 work units)
Total elapsed time = 43.27s (DegenMoves)

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

     0     0   47.00000    0  784          -   47.00000      -     -   50s
H    0     0                       5.0000000   47.00000   840%     -   50s

Explored 1 nodes (105038 simplex iterations) in 50.05 seconds (49.97 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/grafo7728.49.sol'

