
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:44:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2397.33.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/grafo2397.33.lp
Reading time = 0.10 seconds
: 60793 rows, 1427 columns, 183440 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 60793 rows, 1427 columns and 183440 nonzeros
Model fingerprint: 0x5945c083
Variable types: 35 continuous, 1392 integer (1392 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 21915 rows and 10 columns
Presolve time: 0.38s
Presolved: 38878 rows, 1417 columns, 117973 nonzeros
Variable types: 0 continuous, 1417 integer (1382 binary)
Root relaxation presolved: 26877 rows, 13418 columns, 93971 nonzeros


Root relaxation: objective 4.000000e+01, 1282 iterations, 0.43 seconds (0.40 work units)

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

     0     0   40.00000    0  310          -   40.00000      -     -    1s
H    0     0                       5.0000000   40.00000   700%     -    2s
     0     0   40.00000    0  528    5.00000   40.00000   700%     -    5s
H    0     0                      11.0000000   40.00000   264%     -    5s
     0     0   40.00000    0  526   11.00000   40.00000   264%     -    5s
H    0     0                      12.0000000   40.00000   233%     -   12s
H    0     0                      13.0000000   40.00000   208%     -   12s
     0     0   40.00000    0  441   13.00000   40.00000   208%     -   12s
     0     0   40.00000    0  439   13.00000   40.00000   208%     -   13s
     0     0   40.00000    0  423   13.00000   40.00000   208%     -   19s
     0     0   40.00000    0  380   13.00000   40.00000   208%     -   20s
     0     0   40.00000    0  372   13.00000   40.00000   208%     -   26s
     0     0   40.00000    0  376   13.00000   40.00000   208%     -   26s
     0     0   40.00000    0  326   13.00000   40.00000   208%     -   34s
     0     0   40.00000    0  385   13.00000   40.00000   208%     -   36s
     0     0   40.00000    0  308   13.00000   40.00000   208%     -   50s

Cutting planes:
  Cover: 2
  Clique: 13
  MIR: 30
  Zero half: 1
  RLT: 17
  BQP: 4
  PSD: 1

Explored 1 nodes (65608 simplex iterations) in 50.05 seconds (50.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 11 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.000000000000e+01, gap 207.6923%

Wrote result file './lp_solutions/grafo2397.33.sol'

