
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 01:38:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2929.23.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/grafo2929.23.lp
Reading time = 0.13 seconds
: 80309 rows, 887 columns, 241576 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 80309 rows, 887 columns and 241576 nonzeros
Model fingerprint: 0x4e194c44
Variable types: 28 continuous, 859 integer (859 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 -0.0000000
Presolve removed 37971 rows and 12 columns
Presolve time: 0.59s
Presolved: 42338 rows, 875 columns, 127798 nonzeros
Variable types: 0 continuous, 875 integer (847 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 875 rows, 43213 columns, 128673 nonzeros


Root relaxation: objective 2.700000e+01, 1088 iterations, 0.27 seconds (0.34 work units)

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

     0     0   27.00000    0  243    6.00000   27.00000   350%     -    2s
H    0     0                       7.0000000   27.00000   286%     -    2s
H    0     0                       8.0000000   27.00000   238%     -    3s
     0     0   27.00000    0  355    8.00000   27.00000   237%     -    4s
     0     0   27.00000    0  345    8.00000   27.00000   237%     -    5s
     0     0   27.00000    0  369    8.00000   27.00000   237%     -   10s
     0     0   27.00000    0  353    8.00000   27.00000   237%     -   10s
     0     0   27.00000    0  282    8.00000   27.00000   237%     -   14s
     0     0   27.00000    0  366    8.00000   27.00000   237%     -   14s
     0     0   27.00000    0  257    8.00000   27.00000   237%     -   18s
     0     0   27.00000    0  238    8.00000   27.00000   237%     -   19s
     0     0   27.00000    0  324    8.00000   27.00000   237%     -   23s
     0     0   27.00000    0  308    8.00000   27.00000   237%     -   24s
H    0     0                       9.0000000   27.00000   200%     -   29s
     0     0   27.00000    0  384    9.00000   27.00000   200%     -   29s
     0     0   27.00000    0  368    9.00000   27.00000   200%     -   33s
H    0     0                      10.0000000   27.00000   170%     -   36s
     0     2   27.00000    0  310   10.00000   27.00000   170%     -   43s
     7    12   27.00000    3  189   10.00000   27.00000   170%   766   45s
    53    58   25.00000   11  178   10.00000   27.00000   170%   395   50s

Cutting planes:
  Cover: 3
  Clique: 34
  MIR: 57
  GUB cover: 1
  Zero half: 4
  RLT: 41
  Relax-and-lift: 1
  BQP: 3

Explored 57 nodes (55543 simplex iterations) in 50.06 seconds (59.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo2929.23.sol'

