
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:00:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2808.37.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/grafo2808.37.lp
Reading time = 0.10 seconds
: 59260 rows, 1440 columns, 178632 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 59260 rows, 1440 columns and 178632 nonzeros
Model fingerprint: 0x0048a881
Variable types: 33 continuous, 1407 integer (1407 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 18657 rows and 18 columns
Presolve time: 0.42s
Presolved: 40603 rows, 1422 columns, 122859 nonzeros
Variable types: 0 continuous, 1422 integer (1389 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 27377 rows, 14648 columns, 96407 nonzeros


Root relaxation: objective 3.400000e+01, 1356 iterations, 0.49 seconds (0.50 work units)

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

     0     0   34.00000    0  287    7.00000   34.00000   386%     -    2s
H    0     0                       8.0000000   34.00000   325%     -    2s
H    0     0                       9.0000000   34.00000   278%     -    2s
     0     0   34.00000    0  472    9.00000   34.00000   278%     -    5s
H    0     0                      10.0000000   34.00000   240%     -    6s
     0     0   34.00000    0  485   10.00000   34.00000   240%     -    6s
     0     0   34.00000    0  353   10.00000   34.00000   240%     -   15s
     0     0   34.00000    0  326   10.00000   34.00000   240%     -   15s
H    0     0                      11.0000000   34.00000   209%     -   20s
     0     0   34.00000    0  371   11.00000   34.00000   209%     -   20s
     0     0   34.00000    0  408   11.00000   34.00000   209%     -   21s
     0     0   34.00000    0  289   11.00000   34.00000   209%     -   26s
     0     0   34.00000    0  303   11.00000   34.00000   209%     -   26s
     0     0   34.00000    0  374   11.00000   34.00000   209%     -   32s
     0     0   34.00000    0  344   11.00000   34.00000   209%     -   33s
     0     0   34.00000    0  266   11.00000   34.00000   209%     -   38s
     0     0   34.00000    0  266   11.00000   34.00000   209%     -   39s
     0     2   34.00000    0  230   11.00000   34.00000   209%     -   44s
     1     4   34.00000    1  267   11.00000   34.00000   209%  1902   45s
    32    34   33.00000    8  342   11.00000   34.00000   209%   624   50s

Cutting planes:
  Gomory: 2
  Cover: 7
  Clique: 26
  MIR: 93
  StrongCG: 3
  GUB cover: 1
  Zero half: 6
  RLT: 54
  BQP: 2

Explored 33 nodes (72711 simplex iterations) in 50.05 seconds (51.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.400000000000e+01, gap 209.0909%

Wrote result file './lp_solutions/grafo2808.37.sol'

