
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:41:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2707.12.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/grafo2707.12.lp
Reading time = 0.02 seconds
: 7824 rows, 233 columns, 23550 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 7824 rows, 233 columns and 23550 nonzeros
Model fingerprint: 0xb8b9ec2e
Variable types: 13 continuous, 220 integer (220 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 3958 rows and 6 columns
Presolve time: 0.05s
Presolved: 3866 rows, 227 columns, 11749 nonzeros
Variable types: 0 continuous, 227 integer (214 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.200000e+01, 204 iterations, 0.02 seconds (0.02 work units)

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

     0     0   12.00000    0   94    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  101    4.00000   12.00000   200%     -    0s
H    0     0                       5.0000000   12.00000   140%     -    0s
     0     0   12.00000    0   97    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   70    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   71    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   67    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   68    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   80    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   80    5.00000   12.00000   140%     -    0s
     0     0   11.66667    0   80    5.00000   11.66667   133%     -    0s
     0     0   11.66667    0   66    5.00000   11.66667   133%     -    0s
     0     0   11.66667    0   80    5.00000   11.66667   133%     -    1s
     0     0   11.66667    0   54    5.00000   11.66667   133%     -    1s
     0     2   11.66667    0   54    5.00000   11.66667   133%     -    1s
H  713   489                       6.0000000   11.66667  94.4%  50.1    2s
  1585   924   10.50000   17  109    6.00000   11.00000  83.3%  53.6    5s
  4068  1457    7.83333   37  108    6.00000   10.42857  73.8%  57.8   10s
  9121  3465 infeasible   37         6.00000    9.00000  50.0%  61.4   15s
*11208  2194              44       7.0000000    9.00000  28.6%  60.8   17s
 16900   355     cutoff   48         7.00000    8.00000  14.3%  52.8   20s

Cutting planes:
  Inf proof: 3
  RLT: 5

Explored 19078 nodes (1022153 simplex iterations) in 21.75 seconds (18.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 7 6 6 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2707.12.sol'

