
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:33:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6126.39.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/grafo6126.39.lp
Reading time = 0.11 seconds
: 69599 rows, 1779 columns, 210107 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 69599 rows, 1779 columns and 210107 nonzeros
Model fingerprint: 0x59214421
Variable types: 40 continuous, 1739 integer (1739 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]
Found heuristic solution: objective 1.0000000
Presolve removed 18152 rows and 25 columns
Presolve time: 0.48s
Presolved: 51447 rows, 1754 columns, 155941 nonzeros
Variable types: 0 continuous, 1754 integer (1714 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1754 rows, 53201 columns, 157695 nonzeros


Root relaxation: objective 3.800000e+01, 1350 iterations, 0.26 seconds (0.25 work units)

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

     0     0   38.00000    0  275    8.00000   38.00000   375%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    3s
     0     0   38.00000    0  529   10.00000   38.00000   280%     -    5s
H    0     0                      12.0000000   38.00000   217%     -    6s
     0     0   38.00000    0  534   12.00000   38.00000   217%     -    6s
H    0     0                      13.0000000   38.00000   192%     -   16s
H    0     0                      15.0000000   38.00000   153%     -   16s
     0     0   37.75000    0  560   15.00000   37.75000   152%     -   16s
     0     0   37.75000    0  537   15.00000   37.75000   152%     -   17s
     0     0   37.66667    0  345   15.00000   37.66667   151%     -   30s
     0     0   37.66667    0  408   15.00000   37.66667   151%     -   31s
     0     0   37.66667    0  355   15.00000   37.66667   151%     -   38s
     0     0   37.66667    0  356   15.00000   37.66667   151%     -   39s
     0     0   37.66667    0  378   15.00000   37.66667   151%     -   50s

Cutting planes:
  Cover: 1
  Clique: 1
  MIR: 35
  Zero half: 2
  RLT: 17

Explored 1 nodes (52737 simplex iterations) in 50.10 seconds (45.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 13 12 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo6126.39.sol'

