
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:38:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6525.45.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/grafo6525.45.lp
Reading time = 0.09 seconds
: 55296 rows, 1982 columns, 167142 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 55296 rows, 1982 columns and 167142 nonzeros
Model fingerprint: 0x96adf211
Variable types: 40 continuous, 1942 integer (1942 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 4349 rows and 1 columns
Presolve time: 0.31s
Presolved: 50947 rows, 1981 columns, 154376 nonzeros
Variable types: 0 continuous, 1981 integer (1941 binary)
Root relaxation presolved: 26877 rows, 26051 columns, 106236 nonzeros


Root relaxation: objective 3.000000e+01, 1494 iterations, 0.46 seconds (0.39 work units)

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

     0     0   30.00000    0  360          -   30.00000      -     -    1s
H    0     0                       9.0000000   30.00000   233%     -    2s
H    0     0                      11.0000000   30.00000   173%     -    2s
     0     0   30.00000    0  720   11.00000   30.00000   173%     -    8s
     0     0   30.00000    0  719   11.00000   30.00000   173%     -    8s
     0     0   30.00000    0  366   11.00000   30.00000   173%     -   18s
     0     0   30.00000    0  381   11.00000   30.00000   173%     -   18s
H    0     0                      12.0000000   30.00000   150%     -   33s
H    0     0                      13.0000000   30.00000   131%     -   33s
H    0     0                      14.0000000   30.00000   114%     -   33s
     0     0   30.00000    0  388   14.00000   30.00000   114%     -   33s
     0     0   30.00000    0  370   14.00000   30.00000   114%     -   34s
     0     0   30.00000    0  371   14.00000   30.00000   114%     -   49s
     0     0          -    0        14.00000   30.00000   114%     -   50s

Cutting planes:
  Clique: 3
  MIR: 28
  Zero half: 6
  RLT: 30
  BQP: 3

Explored 1 nodes (65382 simplex iterations) in 50.07 seconds (50.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 12 ... 9

Time limit reached
Best objective 1.400000000000e+01, best bound 3.000000000000e+01, gap 114.2857%

Wrote result file './lp_solutions/grafo6525.45.sol'

