
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 08:03:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo956.14.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/grafo956.14.lp
Reading time = 0.02 seconds
: 4508 rows, 217 columns, 13561 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 4508 rows, 217 columns and 13561 nonzeros
Model fingerprint: 0xf01f2263
Variable types: 11 continuous, 206 integer (206 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 -0.0000000
Presolve removed 2130 rows and 3 columns
Presolve time: 0.05s
Presolved: 2378 rows, 214 columns, 7216 nonzeros
Variable types: 0 continuous, 214 integer (203 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.300000e+01, 233 iterations, 0.02 seconds (0.01 work units)

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

     0     0   13.00000    0  104    4.00000   13.00000   225%     -    0s
H    0     0                       5.0000000   13.00000   160%     -    0s
     0     0   13.00000    0  116    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0  114    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0  113    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0  107    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   77    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   76    5.00000   13.00000   160%     -    0s
H    0     0                       6.0000000   13.00000   117%     -    0s
     0     0   13.00000    0   87    6.00000   13.00000   117%     -    0s
     0     0   13.00000    0   78    6.00000   13.00000   117%     -    0s
     0     0   12.66667    0   77    6.00000   12.66667   111%     -    1s
     0     0   12.50000    0   90    6.00000   12.50000   108%     -    1s
     0     0   12.50000    0   99    6.00000   12.50000   108%     -    1s
     0     0   12.50000    0   91    6.00000   12.50000   108%     -    1s
     0     2   12.50000    0   79    6.00000   12.50000   108%     -    1s
  1824   829    8.00000   13  116    6.00000   11.50000  91.7%  40.6    5s
  2876   863    8.75000   26   92    6.00000   10.66667  77.8%  43.3   10s
  6503    13     cutoff   34         6.00000    7.00000  16.7%  49.1   15s

Cutting planes:
  MIR: 2
  Inf proof: 6
  RLT: 5

Explored 6866 nodes (337078 simplex iterations) in 15.22 seconds (8.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 6 6 6 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo956.14.sol'

