
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:47:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2357.23.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/grafo2357.23.lp
Reading time = 0.02 seconds
: 9467 rows, 401 columns, 28472 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 9467 rows, 401 columns and 28472 nonzeros
Model fingerprint: 0x1818d76e
Variable types: 12 continuous, 389 integer (389 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 3135 rows and 7 columns
Presolve time: 0.06s
Presolved: 6332 rows, 394 columns, 19122 nonzeros
Variable types: 0 continuous, 394 integer (382 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 245 iterations, 0.03 seconds (0.03 work units)

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

     0     0   11.00000    0   61    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   78    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   63    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   81    5.00000   11.00000   120%     -    0s
     0     0   10.50000    0   72    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   67    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   70    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   58    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   48    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   61    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   71    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   67    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   60    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   60    5.00000   10.00000   100%     -    1s
     0     2   10.00000    0   52    5.00000   10.00000   100%     -    1s
H  459   335                       6.0000000   10.00000  66.7%  81.0    2s
H 1472   530                       7.0000000   10.00000  42.9%  64.4    5s
  2636   256     cutoff   26         7.00000    8.00000  14.3%  58.5   11s

Cutting planes:
  Inf proof: 5
  Zero half: 2
  RLT: 3

Explored 3726 nodes (220654 simplex iterations) in 14.04 seconds (15.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 7 7 7 ... 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/grafo2357.23.sol'

