
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:57:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2802.17.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/grafo2802.17.lp
Reading time = 0.01 seconds
: 3733 rows, 377 columns, 11391 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 3733 rows, 377 columns and 11391 nonzeros
Model fingerprint: 0x47146cb8
Variable types: 17 continuous, 360 integer (360 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 613 rows and 17 columns
Presolve time: 0.03s
Presolved: 3120 rows, 360 columns, 9618 nonzeros
Variable types: 0 continuous, 360 integer (343 binary)

Root relaxation: objective 1.500000e+01, 253 iterations, 0.01 seconds (0.01 work units)

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

     0     0   15.00000    0  102          -   15.00000      -     -    0s
H    0     0                       6.0000000   15.00000   150%     -    0s
     0     0   15.00000    0  130    6.00000   15.00000   150%     -    0s
H    0     0                       7.0000000   15.00000   114%     -    0s
     0     0   15.00000    0   65    7.00000   15.00000   114%     -    0s
H    0     0                       8.0000000   15.00000  87.5%     -    0s
     0     0   15.00000    0   71    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   69    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   69    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   76    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   88    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   62    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   70    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   76    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   65    8.00000   15.00000  87.5%     -    0s
     0     0   15.00000    0   65    8.00000   15.00000  87.5%     -    0s
     0     2   15.00000    0   59    8.00000   15.00000  87.5%     -    0s
H  752   379                       9.0000000   15.00000  66.7%  29.2    2s
  2629   876   13.00000   27  137    9.00000   14.00000  55.6%  42.5    5s
  5876   784   10.00000   39  118    9.00000   12.36667  37.4%  57.3   10s

Cutting planes:
  Cover: 1
  MIR: 2
  Inf proof: 6
  RLT: 8

Explored 8080 nodes (450135 simplex iterations) in 11.56 seconds (9.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 9 9 9 ... 6

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2802.17.sol'

