
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:17:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5465.40.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/grafo5465.40.lp
Reading time = 0.09 seconds
: 58532 rows, 1813 columns, 176905 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 58532 rows, 1813 columns and 176905 nonzeros
Model fingerprint: 0x6372ffb2
Variable types: 40 continuous, 1773 integer (1773 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]
Found heuristic solution: objective 3.0000000
Presolve removed 10799 rows and 22 columns
Presolve time: 0.40s
Presolved: 47733 rows, 1791 columns, 144790 nonzeros
Variable types: 0 continuous, 1791 integer (1751 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 27973 rows, 21551 columns, 105270 nonzeros


Root relaxation: objective 3.300000e+01, 2474 iterations, 0.86 seconds (0.80 work units)

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

     0     0   33.00000    0  380    7.00000   33.00000   371%     -    4s
H    0     0                       9.0000000   33.00000   267%     -    4s
H    0     0                      10.0000000   33.00000   230%     -    4s
     0     0   33.00000    0  635   10.00000   33.00000   230%     -   10s
     0     0   33.00000    0  647   10.00000   33.00000   230%     -   12s
H    0     0                      12.0000000   33.00000   175%     -   32s
H    0     0                      13.0000000   33.00000   154%     -   32s
     0     0   33.00000    0  633   13.00000   33.00000   154%     -   32s
     0     0   33.00000    0  605   13.00000   33.00000   154%     -   34s
     0     0   33.00000    0  306   13.00000   33.00000   154%     -   43s
     0     0   33.00000    0  369   13.00000   33.00000   154%     -   43s
     0     0   33.00000    0  606   13.00000   33.00000   154%     -   50s

Cutting planes:
  Cover: 26
  Clique: 9
  MIR: 126
  StrongCG: 1
  GUB cover: 5
  Zero half: 59
  RLT: 54

Explored 1 nodes (57892 simplex iterations) in 50.06 seconds (47.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 10 ... 3

Time limit reached
Best objective 1.300000000000e+01, best bound 3.300000000000e+01, gap 153.8462%

Wrote result file './lp_solutions/grafo5465.40.sol'

