
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:23:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7325.43.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/grafo7325.43.lp
Reading time = 0.09 seconds
: 53946 rows, 2005 columns, 163260 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 53946 rows, 2005 columns and 163260 nonzeros
Model fingerprint: 0xe6638138
Variable types: 41 continuous, 1964 integer (1964 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 4919 rows and 69 columns
Presolve time: 0.36s
Presolved: 49027 rows, 1936 columns, 148774 nonzeros
Variable types: 0 continuous, 1936 integer (1895 binary)
Root relaxation presolved: 26026 rows, 24937 columns, 102772 nonzeros


Root relaxation: objective 3.600000e+01, 3225 iterations, 1.20 seconds (1.09 work units)

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

     0     0   36.00000    0  344          -   36.00000      -     -    4s
H    0     0                       9.0000000   36.00000   300%     -    4s
H    0     0                      12.0000000   36.00000   200%     -    4s
     0     0   36.00000    0  602   12.00000   36.00000   200%     -    8s
     0     0   36.00000    0  592   12.00000   36.00000   200%     -    8s
H    0     0                      13.0000000   36.00000   177%     -   24s
     0     0   36.00000    0  661   13.00000   36.00000   177%     -   24s
     0     0   36.00000    0  650   13.00000   36.00000   177%     -   24s
H    0     0                      14.0000000   36.00000   157%     -   25s
H    0     0                      15.0000000   36.00000   140%     -   34s
H    0     0                      16.0000000   36.00000   125%     -   34s
     0     0   36.00000    0  427   16.00000   36.00000   125%     -   34s
H    0     0                      17.0000000   36.00000   112%     -   34s
     0     0   36.00000    0  502   17.00000   36.00000   112%     -   36s
     0     0   36.00000    0  451   17.00000   36.00000   112%     -   42s
     0     0   36.00000    0  449   17.00000   36.00000   112%     -   43s
     0     0   36.00000    0  485   17.00000   36.00000   112%     -   49s
     0     0          -    0        17.00000   36.00000   112%     -   50s

Cutting planes:
  Cover: 2
  Clique: 1
  MIR: 42
  GUB cover: 2
  Zero half: 8
  RLT: 46

Explored 1 nodes (64992 simplex iterations) in 50.06 seconds (44.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 16 15 ... 9

Time limit reached
Best objective 1.700000000000e+01, best bound 3.600000000000e+01, gap 111.7647%

Wrote result file './lp_solutions/grafo7325.43.sol'

