
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:08:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11235.35.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/grafo11235.35.lp
Reading time = 0.09 seconds
: 56584 rows, 1619 columns, 171038 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 56584 rows, 1619 columns and 171038 nonzeros
Model fingerprint: 0xe6ed4ac7
Variable types: 36 continuous, 1583 integer (1583 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 19011 rows and 31 columns
Presolve time: 0.32s
Presolved: 37573 rows, 1588 columns, 114558 nonzeros
Variable types: 0 continuous, 1588 integer (1552 binary)
Root relaxation presolved: 23888 rows, 15273 columns, 87188 nonzeros


Root relaxation: objective 3.100000e+01, 1219 iterations, 0.35 seconds (0.32 work units)

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

     0     0   31.00000    0  188          -   31.00000      -     -    2s
H    0     0                      10.0000000   31.00000   210%     -    2s
H    0     0                      11.0000000   31.00000   182%     -    2s
     0     0   31.00000    0  543   11.00000   31.00000   182%     -    5s
     0     0   31.00000    0  535   11.00000   31.00000   182%     -    5s
H    0     0                      12.0000000   31.00000   158%     -   17s
     0     0   31.00000    0  331   12.00000   31.00000   158%     -   18s
     0     0   31.00000    0  421   12.00000   31.00000   158%     -   19s
H    0     0                      13.0000000   31.00000   138%     -   28s
     0     0   31.00000    0  338   13.00000   31.00000   138%     -   28s
H    0     0                      14.0000000   31.00000   121%     -   29s
     0     0   31.00000    0  353   14.00000   31.00000   121%     -   29s
     0     0   31.00000    0  318   14.00000   31.00000   121%     -   34s
     0     0   31.00000    0  335   14.00000   31.00000   121%     -   34s
     0     0   31.00000    0  346   14.00000   31.00000   121%     -   40s
     0     0   31.00000    0  338   14.00000   31.00000   121%     -   41s
     0     0   31.00000    0  327   14.00000   31.00000   121%     -   47s
     0     0   31.00000    0  327   14.00000   31.00000   121%     -   48s
H    0     0                      15.0000000   31.00000   107%     -   49s

Cutting planes:
  Lift-and-project: 1
  Cover: 3
  Clique: 7
  MIR: 23
  Zero half: 2
  RLT: 20
  BQP: 2

Explored 1 nodes (72694 simplex iterations) in 50.02 seconds (48.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 10

Time limit reached
Best objective 1.500000000000e+01, best bound 3.100000000000e+01, gap 106.6667%

Wrote result file './lp_solutions/grafo11235.35.sol'

