
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:09:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5185.41.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/grafo5185.41.lp
Reading time = 0.09 seconds
: 54412 rows, 1882 columns, 164623 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 54412 rows, 1882 columns and 164623 nonzeros
Model fingerprint: 0x5766ca8b
Variable types: 41 continuous, 1841 integer (1841 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 6782 rows and 25 columns
Presolve time: 0.36s
Presolved: 47630 rows, 1857 columns, 144625 nonzeros
Variable types: 0 continuous, 1857 integer (1816 binary)
Root relaxation presolved: 26310 rows, 23177 columns, 101985 nonzeros


Root relaxation: objective 3.000000e+01, 1901 iterations, 0.56 seconds (0.49 work units)

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

     0     0   30.00000    0  351          -   30.00000      -     -    2s
H    0     0                      11.0000000   30.00000   173%     -    2s
     0     0   30.00000    0  483   11.00000   30.00000   173%     -    5s
     0     0   30.00000    0  462   11.00000   30.00000   173%     -    5s
     0     0   30.00000    0  417   11.00000   30.00000   173%     -   16s
H    0     0                      12.0000000   30.00000   150%     -   17s
     0     0   30.00000    0  419   12.00000   30.00000   150%     -   17s
     0     0   30.00000    0  388   12.00000   30.00000   150%     -   22s
     0     0   30.00000    0  370   12.00000   30.00000   150%     -   22s
     0     0   30.00000    0  382   12.00000   30.00000   150%     -   31s
H    0     0                      13.0000000   30.00000   131%     -   31s
     0     0   30.00000    0  371   13.00000   30.00000   131%     -   32s
     0     0   30.00000    0  331   13.00000   30.00000   131%     -   35s
     0     0   30.00000    0  297   13.00000   30.00000   131%     -   35s
     0     0   30.00000    0  374   13.00000   30.00000   131%     -   42s
     0     0   30.00000    0  281   13.00000   30.00000   131%     -   46s

Cutting planes:
  Clique: 2
  MIR: 5
  RLT: 15

Explored 1 nodes (71913 simplex iterations) in 50.02 seconds (49.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 12 11 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.000000000000e+01, gap 130.7692%

Wrote result file './lp_solutions/grafo5185.41.sol'

