
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:06:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10841.35.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/grafo10841.35.lp
Reading time = 0.16 seconds
: 94164 rows, 1635 columns, 283761 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 94164 rows, 1635 columns and 283761 nonzeros
Model fingerprint: 0xdf26bce8
Variable types: 37 continuous, 1598 integer (1598 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 39949 rows and 58 columns
Presolve time: 0.67s
Presolved: 54215 rows, 1577 columns, 164214 nonzeros
Variable types: 0 continuous, 1577 integer (1540 binary)
Root relaxation presolved: 1574 rows, 55789 columns, 165791 nonzeros


Root relaxation: objective 3.700000e+01, 1761 iterations, 0.42 seconds (0.44 work units)

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

     0     0   37.00000    0  403          -   37.00000      -     -    4s
H    0     0                      10.0000000   37.00000   270%     -    5s
H    0     0                      11.0000000   37.00000   236%     -    5s
     0     0   37.00000    0  654   11.00000   37.00000   236%     -   12s
     0     0   37.00000    0  650   11.00000   37.00000   236%     -   13s
     0     0   37.00000    0  559   11.00000   37.00000   236%     -   34s
     0     0   37.00000    0  584   11.00000   37.00000   236%     -   36s
H    0     0                      13.0000000   37.00000   185%     -   38s
     0     0   37.00000    0  662   13.00000   37.00000   185%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 27
  Clique: 28
  MIR: 135
  StrongCG: 2
  GUB cover: 1
  Zero half: 15
  RLT: 72
  Relax-and-lift: 2
  BQP: 3

Explored 1 nodes (40367 simplex iterations) in 50.05 seconds (47.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 10 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo10841.35.sol'

