
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:09:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2785.14.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/grafo2785.14.lp
Reading time = 0.01 seconds
: 2133 rows, 244 columns, 6466 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 2133 rows, 244 columns and 6466 nonzeros
Model fingerprint: 0xfe46737d
Variable types: 14 continuous, 230 integer (230 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 2.0000000
Presolve removed 462 rows and 15 columns
Presolve time: 0.02s
Presolved: 1671 rows, 229 columns, 5185 nonzeros
Variable types: 0 continuous, 229 integer (215 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 9.000000e+00, 152 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   51    3.00000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   62    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   60    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   53    5.00000    9.00000  80.0%     -    0s
     0     0    8.50000    0   49    5.00000    8.50000  70.0%     -    0s
     0     0    8.50000    0   30    5.00000    8.50000  70.0%     -    0s
     0     0    8.00000    0   30    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   52    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   74    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   63    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   68    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   72    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   60    5.00000    8.00000  60.0%     -    0s
     0     2    8.00000    0   52    5.00000    8.00000  60.0%     -    0s
*  342   113              22       6.0000000    8.00000  33.3%  41.1    1s
  2073   123 infeasible   15         6.00000    7.00000  16.7%  82.8    5s
  4226    53    7.00000   20   73    6.00000    7.00000  16.7%  93.2   10s

Cutting planes:
  Cover: 173
  MIR: 53
  StrongCG: 3
  GUB cover: 1
  Inf proof: 62
  Zero half: 9
  RLT: 19

Explored 4897 nodes (470987 simplex iterations) in 12.23 seconds (8.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 2

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2785.14.sol'

