
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:51:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo779.13.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/grafo779.13.lp
Reading time = 0.01 seconds
: 3913 rows, 229 columns, 11785 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 3913 rows, 229 columns and 11785 nonzeros
Model fingerprint: 0x6a08f8db
Variable types: 13 continuous, 216 integer (216 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 1784 rows and 12 columns
Presolve time: 0.04s
Presolved: 2129 rows, 217 columns, 6529 nonzeros
Variable types: 0 continuous, 217 integer (204 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.200000e+01, 232 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   12.00000    0   59    3.00000   12.00000   300%     -    0s
H    0     0                       4.0000000   12.00000   200%     -    0s
     0     0   12.00000    0  105    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  103    4.00000   12.00000   200%     -    0s
H    0     0                       5.0000000   12.00000   140%     -    0s
     0     0   12.00000    0   94    5.00000   12.00000   140%     -    0s
H    0     0                       6.0000000   12.00000   100%     -    0s
     0     0   11.75000    0   85    6.00000   11.75000  95.8%     -    0s
     0     0   11.50000    0   89    6.00000   11.50000  91.7%     -    0s
     0     0   11.50000    0   90    6.00000   11.50000  91.7%     -    0s
     0     0   11.00000    0   76    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   81    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   89    6.00000   11.00000  83.3%     -    1s
     0     0   10.66667    0   83    6.00000   10.66667  77.8%     -    1s
     0     0   10.50000    0   77    6.00000   10.50000  75.0%     -    1s
     0     0   10.50000    0   61    6.00000   10.50000  75.0%     -    1s
     0     2   10.50000    0   55    6.00000   10.50000  75.0%     -    1s
  2403   518    7.00000   21   51    6.00000    8.00000  33.3%  36.5    5s

Cutting planes:
  Cover: 56
  Clique: 2
  MIR: 88
  StrongCG: 1
  GUB cover: 1
  Inf proof: 84
  Zero half: 4
  RLT: 36

Explored 5786 nodes (316975 simplex iterations) in 9.68 seconds (6.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 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/grafo779.13.sol'

