
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:38:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo714.13.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/grafo714.13.lp
Reading time = 0.01 seconds
: 2322 rows, 217 columns, 7009 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 2322 rows, 217 columns and 7009 nonzeros
Model fingerprint: 0xfe50f98e
Variable types: 13 continuous, 204 integer (204 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 805 rows and 15 columns
Presolve time: 0.02s
Presolved: 1517 rows, 202 columns, 4711 nonzeros
Variable types: 0 continuous, 202 integer (189 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 9.000000e+00, 150 iterations, 0.01 seconds (0.01 work units)

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

     0     0    9.00000    0   68    1.00000    9.00000   800%     -    0s
H    0     0                       3.0000000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0  101    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   51    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   51    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   66    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   54    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   70    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   62    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   64    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   40    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   58    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   58    4.00000    9.00000   125%     -    0s
     0     2    9.00000    0   58    4.00000    9.00000   125%     -    0s
*  281   240              13       5.0000000    9.00000  80.0%  68.6    1s
H  587   209                       6.0000000    8.00000  33.3%  55.5    2s

Cutting planes:
  Gomory: 3
  Cover: 3
  MIR: 56
  StrongCG: 2
  GUB cover: 1
  Inf proof: 17
  RLT: 31

Explored 1102 nodes (52834 simplex iterations) in 2.87 seconds (1.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... -0

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/grafo714.13.sol'

