
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:35:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2393.14.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/grafo2393.14.lp
Reading time = 0.01 seconds
: 2559 rows, 250 columns, 7762 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 2559 rows, 250 columns and 7762 nonzeros
Model fingerprint: 0xc6121e07
Variable types: 14 continuous, 236 integer (236 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 2.0000000
Presolve removed 698 rows and 7 columns
Presolve time: 0.04s
Presolved: 1861 rows, 243 columns, 5743 nonzeros
Variable types: 0 continuous, 243 integer (229 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.100000e+01, 157 iterations, 0.01 seconds (0.01 work units)

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

     0     0   11.00000    0  100    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   95    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   94    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   74    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   70    5.00000   11.00000   120%     -    0s
     0     0   10.00000    0   81    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   78    5.00000   10.00000   100%     -    0s
     0     0    9.66667    0   76    5.00000    9.66667  93.3%     -    0s
     0     0    9.50000    0   87    5.00000    9.50000  90.0%     -    0s
     0     0    9.33333    0   71    5.00000    9.33333  86.7%     -    0s
     0     0    9.33333    0   61    5.00000    9.33333  86.7%     -    0s
     0     0    9.16667    0   72    5.00000    9.16667  83.3%     -    1s
     0     0    9.16667    0   72    5.00000    9.16667  83.3%     -    1s
     0     2    9.16667    0   72    5.00000    9.16667  83.3%     -    1s
H  218   170                       6.0000000    9.16667  52.8%  36.5    1s
* 1680   446              15       7.0000000    9.16667  31.0%  35.6    3s

Cutting planes:
  Gomory: 5
  Cover: 13
  Clique: 5
  MIR: 71
  GUB cover: 1
  Inf proof: 50
  Zero half: 7
  RLT: 35
  BQP: 2

Explored 3178 nodes (108313 simplex iterations) in 4.73 seconds (2.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 2

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/grafo2393.14.sol'

