
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:21:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7229.43.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/grafo7229.43.lp
Reading time = 0.14 seconds
: 85871 rows, 2001 columns, 259006 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 85871 rows, 2001 columns and 259006 nonzeros
Model fingerprint: 0xf662abd1
Variable types: 41 continuous, 1960 integer (1960 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 1.0000000
Presolve removed 22489 rows and 21 columns
Presolve time: 0.62s
Presolved: 63382 rows, 1980 columns, 191782 nonzeros
Variable types: 0 continuous, 1980 integer (1939 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1980 rows, 65362 columns, 193762 nonzeros


Root relaxation: objective 3.900000e+01, 2014 iterations, 0.39 seconds (0.42 work units)

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

     0     0   39.00000    0  409    8.00000   39.00000   387%     -    4s
H    0     0                      10.0000000   39.00000   290%     -    5s
H    0     0                      11.0000000   39.00000   255%     -    5s
     0     0   39.00000    0  649   11.00000   39.00000   255%     -   10s
     0     0   39.00000    0  602   11.00000   39.00000   255%     -   10s
     0     0   39.00000    0  372   11.00000   39.00000   255%     -   21s
     0     0   39.00000    0  374   11.00000   39.00000   255%     -   21s
H    0     0                      12.0000000   39.00000   225%     -   37s
H    0     0                      13.0000000   39.00000   200%     -   37s
     0     0   39.00000    0  378   13.00000   39.00000   200%     -   37s
     0     0   39.00000    0  304   13.00000   39.00000   200%     -   37s
     0     0   39.00000    0  514   13.00000   39.00000   200%     -   50s

Cutting planes:
  Cover: 43
  Clique: 15
  MIR: 172
  StrongCG: 2
  GUB cover: 4
  Zero half: 45
  RLT: 63

Explored 1 nodes (52736 simplex iterations) in 50.12 seconds (50.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo7229.43.sol'

