
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:15:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5394.40.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/grafo5394.40.lp
Reading time = 0.14 seconds
: 83630 rows, 1870 columns, 252276 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 83630 rows, 1870 columns and 252276 nonzeros
Model fingerprint: 0x7c371ab8
Variable types: 41 continuous, 1829 integer (1829 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 23656 rows and 27 columns
Presolve time: 0.58s
Presolved: 59974 rows, 1843 columns, 181633 nonzeros
Variable types: 0 continuous, 1843 integer (1802 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1843 rows, 61817 columns, 183476 nonzeros


Root relaxation: objective 3.200000e+01, 2461 iterations, 0.70 seconds (0.86 work units)
Total elapsed time = 8.51s (DegenMoves)
Total elapsed time = 10.09s (DegenMoves)

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

     0     0   32.00000    0  515    5.00000   32.00000   540%     -   10s
H    0     0                       7.0000000   32.00000   357%     -   10s
H    0     0                       8.0000000   32.00000   300%     -   12s
H    0     0                       9.0000000   32.00000   256%     -   12s
H    0     0                      11.0000000   32.00000   191%     -   12s
     0     0   32.00000    0  673   11.00000   32.00000   191%     -   18s
     0     0   32.00000    0  671   11.00000   32.00000   191%     -   20s
     0     0   32.00000    0  487   11.00000   32.00000   191%     -   40s
     0     0   32.00000    0  502   11.00000   32.00000   191%     -   42s
     0     0   32.00000    0  625   11.00000   32.00000   191%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Cover: 30
  Clique: 15
  MIR: 89
  StrongCG: 1
  GUB cover: 2
  Zero half: 113
  RLT: 67
  BQP: 1

Explored 1 nodes (45662 simplex iterations) in 50.08 seconds (50.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 9 8 ... 5

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo5394.40.sol'

