
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:24:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5410.36.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/grafo5410.36.lp
Reading time = 0.09 seconds
: 54373 rows, 1703 columns, 164466 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 54373 rows, 1703 columns and 164466 nonzeros
Model fingerprint: 0xd6e22215
Variable types: 40 continuous, 1663 integer (1663 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 4.0000000
Presolve removed 12516 rows and 17 columns
Presolve time: 0.37s
Presolved: 41857 rows, 1686 columns, 127276 nonzeros
Variable types: 0 continuous, 1686 integer (1646 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 24837 rows, 18706 columns, 93236 nonzeros


Root relaxation: objective 3.900000e+01, 1579 iterations, 0.42 seconds (0.37 work units)

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

     0     0   39.00000    0  277    8.00000   39.00000   388%     -    1s
H    0     0                       9.0000000   39.00000   333%     -    1s
H    0     0                      10.0000000   39.00000   290%     -    2s
     0     0   39.00000    0  535   10.00000   39.00000   290%     -    5s
     0     0   39.00000    0  509   10.00000   39.00000   290%     -    6s
H    0     0                      11.0000000   39.00000   255%     -    7s
     0     0   39.00000    0  395   11.00000   39.00000   255%     -   14s
     0     0   39.00000    0  398   11.00000   39.00000   255%     -   15s
H    0     0                      12.0000000   39.00000   225%     -   27s
     0     0   39.00000    0  412   12.00000   39.00000   225%     -   27s
     0     0   39.00000    0  391   12.00000   39.00000   225%     -   27s
     0     0   39.00000    0  497   12.00000   39.00000   225%     -   50s

Cutting planes:
  Cover: 37
  Clique: 14
  MIR: 132
  StrongCG: 1
  GUB cover: 7
  Zero half: 54
  RLT: 67
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (58694 simplex iterations) in 50.04 seconds (44.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 4

Time limit reached
Best objective 1.200000000000e+01, best bound 3.900000000000e+01, gap 225.0000%

Wrote result file './lp_solutions/grafo5410.36.sol'

