
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:51:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2583.16.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/grafo2583.16.lp
Reading time = 0.01 seconds
: 2484 rows, 279 columns, 7540 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 2484 rows, 279 columns and 7540 nonzeros
Model fingerprint: 0xe6107721
Variable types: 14 continuous, 265 integer (265 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 392 rows and 9 columns
Presolve time: 0.02s
Presolved: 2092 rows, 270 columns, 6436 nonzeros
Variable types: 0 continuous, 270 integer (256 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 102 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   11.00000    0   51    3.00000   11.00000   267%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   92    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   92    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   41    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   40    5.00000   11.00000   120%     -    0s
     0     0   10.50000    0   47    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   52    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   66    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   65    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   63    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   56    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   57    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
     0     2   10.00000    0   36    5.00000   10.00000   100%     -    0s
H  205   117                       6.0000000   10.00000  66.7%  32.1    1s
*  415   216              32       7.0000000   10.00000  42.9%  39.3    1s

Cutting planes:
  Gomory: 3
  Cover: 24
  Clique: 3
  MIR: 71
  GUB cover: 2
  Inf proof: 96
  Zero half: 12
  RLT: 29
  BQP: 1

Explored 3308 nodes (131291 simplex iterations) in 4.68 seconds (2.87 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 2

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2583.16.sol'

