
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:01:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2823.17.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/grafo2823.17.lp
Reading time = 0.01 seconds
: 5562 rows, 383 columns, 16871 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 5562 rows, 383 columns and 16871 nonzeros
Model fingerprint: 0x73b5b4d4
Variable types: 18 continuous, 365 integer (365 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 1.0000000
Presolve removed 1528 rows and 13 columns
Presolve time: 0.04s
Presolved: 4034 rows, 370 columns, 12450 nonzeros
Variable types: 0 continuous, 370 integer (352 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.100000e+01, 179 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   11.00000    0   32    5.00000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0   83    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   82    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   74    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   74    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   24    7.00000   11.00000  57.1%     -    0s
H    0     0                       8.0000000   11.00000  37.5%     -    0s
     0     0   11.00000    0   44    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   41    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   56    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   61    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   60    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   58    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   58    8.00000   11.00000  37.5%     -    0s
     0     2   11.00000    0   58    8.00000   11.00000  37.5%     -    0s
H  108   105                       9.0000000   11.00000  22.2%  42.3    1s

Cutting planes:
  Gomory: 5
  Cover: 24
  Clique: 4
  MIR: 50
  StrongCG: 4
  Inf proof: 1
  Zero half: 25
  RLT: 19
  BQP: 1

Explored 1091 nodes (41983 simplex iterations) in 2.48 seconds (2.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 9 8 7 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2823.17.sol'

