
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:28:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo300.13.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/grafo300.13.lp
Reading time = 0.01 seconds
: 2459 rows, 204 columns, 7398 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 2459 rows, 204 columns and 7398 nonzeros
Model fingerprint: 0x40804fc8
Variable types: 12 continuous, 192 integer (192 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 -0.0000000
Presolve removed 994 rows and 15 columns
Presolve time: 0.03s
Presolved: 1465 rows, 189 columns, 4533 nonzeros
Variable types: 0 continuous, 189 integer (177 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 9.000000e+00, 120 iterations, 0.01 seconds (0.00 work units)

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

     0     0    9.00000    0   69    3.00000    9.00000   200%     -    0s
     0     0    9.00000    0   85    3.00000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0   83    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   49    4.00000    9.00000   125%     -    0s
     0     0    8.66667    0   75    4.00000    8.66667   117%     -    0s
     0     0    8.66667    0   66    4.00000    8.66667   117%     -    0s
     0     0    8.66667    0   86    4.00000    8.66667   117%     -    0s
     0     0    8.66667    0   66    4.00000    8.66667   117%     -    0s
     0     0    8.66667    0   70    4.00000    8.66667   117%     -    0s
     0     0    8.66667    0   69    4.00000    8.66667   117%     -    0s
     0     2    8.66667    0   64    4.00000    8.66667   117%     -    0s
H  959   369                       5.0000000    8.66667  73.3%  59.6    2s
  1890   698    6.66667   20   63    5.00000    8.00000  60.0%  68.9    5s
  3550   614    6.00000   28   95    5.00000    6.00000  20.0%  72.6   10s
  6213   642     cutoff   36         5.00000    6.00000  20.0%  84.1   15s
  8568   597     cutoff   27         5.00000    6.00000  20.0%  90.9   20s
 11323   327 infeasible   32         5.00000    6.00000  20.0%  92.7   25s
 14278    57 infeasible   32         5.00000    6.00000  20.0%  95.9   30s

Cutting planes:
  MIR: 6
  Inf proof: 3
  RLT: 4
  Relax-and-lift: 2

Explored 14728 nodes (1421174 simplex iterations) in 31.74 seconds (15.79 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 5 5 5 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo300.13.sol'

