
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:51:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2768.18.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/grafo2768.18.lp
Reading time = 0.01 seconds
: 4533 rows, 451 columns, 13857 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 4533 rows, 451 columns and 13857 nonzeros
Model fingerprint: 0xb82800f7
Variable types: 20 continuous, 431 integer (431 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 5.0000000
Presolve removed 394 rows and 26 columns
Presolve time: 0.03s
Presolved: 4139 rows, 425 columns, 12791 nonzeros
Variable types: 0 continuous, 425 integer (405 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.400000e+01, 243 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   14.00000    0  107    6.00000   14.00000   133%     -    0s
H    0     0                       7.0000000   14.00000   100%     -    0s
     0     0   14.00000    0  159    7.00000   14.00000   100%     -    0s
H    0     0                       8.0000000   14.00000  75.0%     -    0s
     0     0   14.00000    0  125    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0  108    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   62    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   70    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0  104    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   98    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   45    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   48    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   29    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   39    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   35    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   36    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   37    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0   37    8.00000   14.00000  75.0%     -    1s
H    0     0                      10.0000000   14.00000  40.0%     -    1s
     0     2   14.00000    0   28   10.00000   14.00000  40.0%     -    1s
  1119    47     cutoff   21        10.00000   12.00000  20.0%  73.4    5s

Cutting planes:
  Gomory: 2
  Cover: 18
  Clique: 10
  MIR: 55
  StrongCG: 2
  GUB cover: 1
  Inf proof: 66
  Zero half: 7
  RLT: 38
  BQP: 5
  PSD: 1

Explored 1350 nodes (99573 simplex iterations) in 5.24 seconds (5.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 8 7 ... 5

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0000%

Wrote result file './lp_solutions/grafo2768.18.sol'

