
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:51:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5821.33.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/grafo5821.33.lp
Reading time = 0.14 seconds
: 86484 rows, 1559 columns, 260737 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 86484 rows, 1559 columns and 260737 nonzeros
Model fingerprint: 0x11654160
Variable types: 39 continuous, 1520 integer (1520 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 31740 rows and 28 columns
Presolve time: 0.60s
Presolved: 54744 rows, 1531 columns, 165816 nonzeros
Variable types: 0 continuous, 1531 integer (1492 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1531 rows, 56275 columns, 167347 nonzeros


Root relaxation: objective 3.400000e+01, 1604 iterations, 0.37 seconds (0.38 work units)

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

     0     0   34.00000    0  403    6.00000   34.00000   467%     -    4s
H    0     0                       9.0000000   34.00000   278%     -    4s
H    0     0                      10.0000000   34.00000   240%     -    4s
     0     0   34.00000    0  559   10.00000   34.00000   240%     -   10s
     0     0   34.00000    0  528   10.00000   34.00000   240%     -   11s
H    0     0                      12.0000000   34.00000   183%     -   20s
     0     0   34.00000    0  388   12.00000   34.00000   183%     -   20s
     0     0   34.00000    0  425   12.00000   34.00000   183%     -   21s
H    0     0                      13.0000000   34.00000   162%     -   33s
     0     0   34.00000    0  361   13.00000   34.00000   162%     -   33s
     0     0   34.00000    0  413   13.00000   34.00000   162%     -   34s
     0     0   34.00000    0  447   13.00000   34.00000   162%     -   47s
     0     0   34.00000    0  453   13.00000   34.00000   162%     -   48s
     0     0          -    0        13.00000   34.00000   162%     -   50s

Cutting planes:
  Cover: 4
  Clique: 18
  MIR: 96
  Zero half: 172
  RLT: 43
  BQP: 3

Explored 1 nodes (42709 simplex iterations) in 50.07 seconds (44.74 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 10 ... 6

Time limit reached
Best objective 1.300000000000e+01, best bound 3.400000000000e+01, gap 161.5385%

Wrote result file './lp_solutions/grafo5821.33.sol'

