
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:37:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2294.16.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/grafo2294.16.lp
Reading time = 0.01 seconds
: 4522 rows, 355 columns, 13743 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 4522 rows, 355 columns and 13743 nonzeros
Model fingerprint: 0x0c725fb8
Variable types: 17 continuous, 338 integer (338 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 1224 rows and 10 columns
Presolve time: 0.03s
Presolved: 3298 rows, 345 columns, 10210 nonzeros
Variable types: 0 continuous, 345 integer (328 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.300000e+01, 355 iterations, 0.03 seconds (0.02 work units)

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

     0     0   13.00000    0   50    4.00000   13.00000   225%     -    0s
H    0     0                       7.0000000   13.00000  85.7%     -    0s
     0     0   13.00000    0  107    7.00000   13.00000  85.7%     -    0s
H    0     0                       8.0000000   13.00000  62.5%     -    0s
     0     0   13.00000    0   91    8.00000   13.00000  62.5%     -    0s
     0     0   12.66667    0   53    8.00000   12.66667  58.3%     -    0s
     0     0   12.66667    0   61    8.00000   12.66667  58.3%     -    0s
     0     0   12.00000    0   62    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   65    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   60    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   69    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   72    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   70    8.00000   12.00000  50.0%     -    0s
     0     2   12.00000    0   69    8.00000   12.00000  50.0%     -    0s
  2415  1137 infeasible   45         8.00000   12.00000  50.0%  52.0    5s
  5291  1217     cutoff   30         8.00000   11.00000  37.5%  67.5   10s
  8407  1755 infeasible   46         8.00000   10.75000  34.4%  78.3   15s
* 8825   998              45       9.0000000   10.66667  18.5%  77.9   15s

Cutting planes:
  Inf proof: 1
  RLT: 2

Explored 10718 nodes (775279 simplex iterations) in 16.67 seconds (14.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 9 8 8 ... 4

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2294.16.sol'

