
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:49:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2527.14.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/grafo2527.14.lp
Reading time = 0.01 seconds
: 3599 rows, 223 columns, 10836 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 3599 rows, 223 columns and 10836 nonzeros
Model fingerprint: 0x4d3ef568
Variable types: 12 continuous, 211 integer (211 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 1544 rows and 9 columns
Presolve time: 0.04s
Presolved: 2055 rows, 214 columns, 6285 nonzeros
Variable types: 0 continuous, 214 integer (202 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 220 iterations, 0.02 seconds (0.01 work units)

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

     0     0   11.00000    0   89    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
     0     0   11.00000    0  105    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   97    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   96    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   88    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   78    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   88    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0  104    4.00000   11.00000   175%     -    0s
     0     0   10.66667    0   88    4.00000   10.66667   167%     -    0s
H    0     0                       5.0000000   10.66667   113%     -    0s
     0     0   10.66667    0   86    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   83    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   83    5.00000   10.66667   113%     -    0s
     0     2   10.66667    0   52    5.00000   10.66667   113%     -    1s
*  366   241              25       6.0000000   10.66667  77.8%  51.0    2s

Cutting planes:
  Gomory: 3
  Cover: 6
  Clique: 3
  MIR: 148
  StrongCG: 9
  GUB cover: 2
  Inf proof: 25
  Zero half: 29
  RLT: 38

Explored 2046 nodes (69047 simplex iterations) in 3.72 seconds (2.21 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/grafo2527.14.sol'

