
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:25:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11208.38.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/grafo11208.38.lp
Reading time = 0.14 seconds
: 86823 rows, 1928 columns, 262025 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 86823 rows, 1928 columns and 262025 nonzeros
Model fingerprint: 0x4a167c41
Variable types: 42 continuous, 1886 integer (1886 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 5.0000000
Presolve removed 25891 rows and 30 columns
Presolve time: 0.64s
Presolved: 60932 rows, 1898 columns, 184635 nonzeros
Variable types: 0 continuous, 1898 integer (1856 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 1898 rows, 62830 columns, 186533 nonzeros


Root relaxation: objective 4.400000e+01, 2716 iterations, 0.78 seconds (0.88 work units)
Total elapsed time = 8.92s (DegenMoves)

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

     0     0   44.00000    0  603   13.00000   44.00000   238%     -    9s
H    0     0                      14.0000000   44.00000   214%     -    9s
H    0     0                      15.0000000   44.00000   193%     -   12s
H    0     0                      16.0000000   44.00000   175%     -   12s
     0     0   44.00000    0  994   16.00000   44.00000   175%     -   25s
     0     0   44.00000    0  960   16.00000   44.00000   175%     -   28s
     0     0   44.00000    0  707   16.00000   44.00000   175%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 3
  Clique: 12
  MIR: 117
  StrongCG: 1
  Zero half: 75
  RLT: 71
  BQP: 1

Explored 1 nodes (38902 simplex iterations) in 50.08 seconds (46.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 4.400000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo11208.38.sol'

