
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:51:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5657.33.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/grafo5657.33.lp
Reading time = 0.10 seconds
: 60890 rows, 1626 columns, 184063 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 60890 rows, 1626 columns and 184063 nonzeros
Model fingerprint: 0x08ed5118
Variable types: 41 continuous, 1585 integer (1585 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 16222 rows and 24 columns
Presolve time: 0.44s
Presolved: 44668 rows, 1602 columns, 135637 nonzeros
Variable types: 0 continuous, 1602 integer (1561 binary)
Root relaxation presolved: 28552 rows, 17718 columns, 103405 nonzeros


Root relaxation: objective 3.900000e+01, 1826 iterations, 0.63 seconds (0.59 work units)

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

     0     0   39.00000    0  425          -   39.00000      -     -    3s
H    0     0                       4.0000000   39.00000   875%     -    4s
     0     0   39.00000    0  656    4.00000   39.00000   875%     -    9s
H    0     0                       6.0000000   39.00000   550%     -    9s
     0     0   39.00000    0  667    6.00000   39.00000   550%     -    9s
H    0     0                       9.0000000   39.00000   333%     -   24s
     0     0   39.00000    0  563    9.00000   39.00000   333%     -   25s
H    0     0                      10.0000000   39.00000   290%     -   25s
     0     0   39.00000    0  519   10.00000   39.00000   290%     -   25s
     0     0   39.00000    0  460   10.00000   39.00000   290%     -   36s
     0     0   39.00000    0  443   10.00000   39.00000   290%     -   36s
     0     0   39.00000    0  534   10.00000   39.00000   290%     -   49s
H    0     0                      11.0000000   39.00000   255%     -   49s
     0     0          -    0        11.00000   39.00000   255%     -   50s

Cutting planes:
  Cover: 4
  Clique: 16
  MIR: 58
  Inf proof: 3
  Zero half: 1
  RLT: 38
  BQP: 2

Explored 1 nodes (55628 simplex iterations) in 50.05 seconds (44.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 4

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo5657.33.sol'

