
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 17:49:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2522.28.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/grafo2522.28.lp
Reading time = 0.14 seconds
: 61386 rows, 1048 columns, 184889 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 61386 rows, 1048 columns and 184889 nonzeros
Model fingerprint: 0xac04e8b1
Variable types: 30 continuous, 1018 integer (1018 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]
Presolve removed 25830 rows and 9 columns
Presolve time: 0.50s
Presolved: 35556 rows, 1039 columns, 107571 nonzeros
Variable types: 0 continuous, 1039 integer (1009 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1039 rows, 36595 columns, 108610 nonzeros


Root relaxation: objective 2.900000e+01, 1551 iterations, 0.51 seconds (0.48 work units)

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

     0     0   29.00000    0  254    4.00000   29.00000   625%     -    3s
H    0     0                       7.0000000   29.00000   314%     -    5s
     0     0   29.00000    0  423    7.00000   29.00000   314%     -    7s
     0     0   29.00000    0  405    7.00000   29.00000   314%     -    8s
H    0     0                       8.0000000   29.00000   262%     -   16s
     0     0   29.00000    0  271    8.00000   29.00000   262%     -   16s
     0     0   29.00000    0  264    8.00000   29.00000   262%     -   16s
     0     0   29.00000    0  314    8.00000   29.00000   262%     -   24s
     0     0   29.00000    0  301    8.00000   29.00000   262%     -   24s
     0     0   29.00000    0  321    8.00000   29.00000   262%     -   31s
     0     0   29.00000    0  326    8.00000   29.00000   262%     -   32s
H    0     0                       9.0000000   29.00000   222%     -   33s
     0     0   29.00000    0  272    9.00000   29.00000   222%     -   39s
     0     0   29.00000    0  269    9.00000   29.00000   222%     -   39s
     0     0   29.00000    0  188    9.00000   29.00000   222%     -   44s
     0     0   29.00000    0  304    9.00000   29.00000   222%     -   44s
H    0     0                      10.0000000   29.00000   190%     -   49s
     0     0   29.00000    0  252   10.00000   29.00000   190%     -   49s
     0     0   29.00000    0  252   10.00000   29.00000   190%     -   50s

Cutting planes:
  Clique: 6
  MIR: 2
  RLT: 3

Explored 1 nodes (45981 simplex iterations) in 50.02 seconds (33.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 4

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo2522.28.sol'

