
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:43:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6465.39.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/grafo6465.39.lp
Reading time = 0.09 seconds
: 53954 rows, 1694 columns, 163037 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 53954 rows, 1694 columns and 163037 nonzeros
Model fingerprint: 0xc0bee819
Variable types: 38 continuous, 1656 integer (1656 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 11008 rows and 22 columns
Presolve time: 0.35s
Presolved: 42946 rows, 1672 columns, 130294 nonzeros
Variable types: 0 continuous, 1672 integer (1634 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 25371 rows, 19247 columns, 95144 nonzeros


Root relaxation: objective 3.700000e+01, 3774 iterations, 1.84 seconds (1.85 work units)

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

     0     0   37.00000    0  342    5.00000   37.00000   640%     -    4s
H    0     0                       9.0000000   37.00000   311%     -    5s
     0     0   37.00000    0  564    9.00000   37.00000   311%     -    7s
     0     0   37.00000    0  561    9.00000   37.00000   311%     -    8s
     0     0   37.00000    0  372    9.00000   37.00000   311%     -   15s
H    0     0                      10.0000000   37.00000   270%     -   16s
     0     0   37.00000    0  355   10.00000   37.00000   270%     -   16s
H    0     0                      12.0000000   37.00000   208%     -   33s
     0     0   37.00000    0  346   12.00000   37.00000   208%     -   33s
     0     0   37.00000    0  314   12.00000   37.00000   208%     -   33s
H    0     0                      14.0000000   37.00000   164%     -   40s
     0     0   37.00000    0  351   14.00000   37.00000   164%     -   40s
     0     0   37.00000    0  339   14.00000   37.00000   164%     -   41s
     0     0   37.00000    0  351   14.00000   37.00000   164%     -   45s
     0     0   37.00000    0  360   14.00000   37.00000   164%     -   46s
     0     0   37.00000    0  470   14.00000   37.00000   164%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 30
  Clique: 15
  MIR: 138
  StrongCG: 1
  GUB cover: 2
  Zero half: 60
  RLT: 53
  BQP: 1

Explored 1 nodes (65596 simplex iterations) in 50.08 seconds (45.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 12 10 ... 5

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo6465.39.sol'

