
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:58:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2865.36.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/grafo2865.36.lp
Reading time = 0.13 seconds
: 75798 rows, 1603 columns, 228562 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 75798 rows, 1603 columns and 228562 nonzeros
Model fingerprint: 0xd733251c
Variable types: 37 continuous, 1566 integer (1566 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 25242 rows and 18 columns
Presolve time: 0.62s
Presolved: 50556 rows, 1585 columns, 153109 nonzeros
Variable types: 0 continuous, 1585 integer (1548 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1585 rows, 52141 columns, 154694 nonzeros


Root relaxation: objective 3.600000e+01, 1668 iterations, 0.35 seconds (0.36 work units)

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

     0     0   36.00000    0  289    5.00000   36.00000   620%     -    3s
H    0     0                       6.0000000   36.00000   500%     -    3s
     0     0   36.00000    0  528    6.00000   36.00000   500%     -    7s
H    0     0                       9.0000000   36.00000   300%     -    7s
     0     0   36.00000    0  527    9.00000   36.00000   300%     -    7s
     0     0   36.00000    0  415    9.00000   36.00000   300%     -   16s
     0     0   36.00000    0  353    9.00000   36.00000   300%     -   16s
H    0     0                      10.0000000   36.00000   260%     -   26s
     0     0   36.00000    0  301   10.00000   36.00000   260%     -   26s
     0     0   36.00000    0  428   10.00000   36.00000   260%     -   27s
H    0     0                      11.0000000   36.00000   227%     -   41s
     0     0   36.00000    0  351   11.00000   36.00000   227%     -   41s
     0     0   36.00000    0  443   11.00000   36.00000   227%     -   42s
     0     0   36.00000    0  574   11.00000   36.00000   227%     -   50s

Cutting planes:
  Cover: 29
  Clique: 19
  MIR: 112
  StrongCG: 1
  GUB cover: 1
  Zero half: 31
  RLT: 51

Explored 1 nodes (55768 simplex iterations) in 50.05 seconds (47.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.600000000000e+01, gap 227.2727%

Wrote result file './lp_solutions/grafo2865.36.sol'

