
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:40:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2698.16.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/grafo2698.16.lp
Reading time = 0.01 seconds
: 2496 rows, 295 columns, 7605 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 2496 rows, 295 columns and 7605 nonzeros
Model fingerprint: 0x0195d672
Variable types: 14 continuous, 281 integer (281 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 387 rows and 16 columns
Presolve time: 0.02s
Presolved: 2109 rows, 279 columns, 6498 nonzeros
Variable types: 0 continuous, 279 integer (265 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.100000e+01, 65 iterations, 0.00 seconds (0.00 work units)

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

     0     0   11.00000    0   34    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   62    6.00000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0   60    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   44    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   32    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   29    7.00000   11.00000  57.1%     -    0s
     0     0   10.50000    0   27    7.00000   10.50000  50.0%     -    0s
     0     0   10.50000    0   28    7.00000   10.50000  50.0%     -    0s
     0     0   10.50000    0   40    7.00000   10.50000  50.0%     -    0s
     0     0   10.00000    0   32    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   39    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   39    7.00000   10.00000  42.9%     -    0s
     0     2   10.00000    0   37    7.00000   10.00000  42.9%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 30
  Clique: 1
  MIR: 33
  Inf proof: 50
  Zero half: 9
  RLT: 25

Explored 1449 nodes (48054 simplex iterations) in 1.31 seconds (1.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 6 5 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2698.16.sol'

