
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:54:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6117.44.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/grafo6117.44.lp
Reading time = 0.12 seconds
: 74285 rows, 1898 columns, 224027 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 74285 rows, 1898 columns and 224027 nonzeros
Model fingerprint: 0xb7ca2e87
Variable types: 36 continuous, 1862 integer (1862 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 22910 rows and 26 columns
Presolve time: 0.54s
Presolved: 51375 rows, 1872 columns, 155625 nonzeros
Variable types: 0 continuous, 1872 integer (1836 binary)
Root relaxation presolved: 1866 rows, 53241 columns, 157497 nonzeros


Root relaxation: objective 3.700000e+01, 1407 iterations, 0.31 seconds (0.29 work units)

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

     0     0   37.00000    0  239          -   37.00000      -     -    2s
H    0     0                      13.0000000   37.00000   185%     -    3s
H    0     0                      14.0000000   37.00000   164%     -    3s
H    0     0                      15.0000000   37.00000   147%     -    5s
     0     0   37.00000    0  433   15.00000   37.00000   147%     -    5s
H    0     0                      16.0000000   37.00000   131%     -    6s
     0     0   37.00000    0  421   16.00000   37.00000   131%     -    6s
H    0     0                      17.0000000   37.00000   118%     -   15s
     0     0   37.00000    0  378   17.00000   37.00000   118%     -   15s
     0     0   37.00000    0  369   17.00000   37.00000   118%     -   16s
     0     0   37.00000    0  308   17.00000   37.00000   118%     -   21s
     0     0   37.00000    0  272   17.00000   37.00000   118%     -   21s
     0     0   37.00000    0  313   17.00000   37.00000   118%     -   27s
     0     0   37.00000    0  303   17.00000   37.00000   118%     -   27s
     0     0   37.00000    0  362   17.00000   37.00000   118%     -   39s
     0     0   37.00000    0  309   17.00000   37.00000   118%     -   40s
     0     0   37.00000    0  370   17.00000   37.00000   118%     -   45s
     0     0   37.00000    0  262   17.00000   37.00000   118%     -   47s

Cutting planes:
  Cover: 3
  Clique: 6
  MIR: 23
  Zero half: 1
  RLT: 13
  BQP: 1

Explored 1 nodes (57632 simplex iterations) in 50.04 seconds (41.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 16 15 ... 13

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo6117.44.sol'

