
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:37:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo325.13.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/grafo325.13.lp
Reading time = 0.01 seconds
: 5839 rows, 239 columns, 17610 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 5839 rows, 239 columns and 17610 nonzeros
Model fingerprint: 0xb8c35b49
Variable types: 13 continuous, 226 integer (226 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 3.0000000
Presolve removed 3183 rows and 5 columns
Presolve time: 0.04s
Presolved: 2656 rows, 234 columns, 8132 nonzeros
Variable types: 0 continuous, 234 integer (221 binary)

Root relaxation: objective 1.100000e+01, 210 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   11.00000    0   56    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   87    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   86    5.00000   11.00000   120%     -    0s
     0     0   10.00000    0   56    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   52    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   64    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   63    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   58    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   74    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   55    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   58    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   52    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   52    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   52    6.00000   10.00000  66.7%     -    0s
* 1113   456              25       7.0000000   10.00000  42.9%  32.5    1s

Cutting planes:
  Gomory: 1
  Cover: 9
  Clique: 13
  MIR: 43
  Inf proof: 69
  Zero half: 8
  RLT: 46
  PSD: 2

Explored 3370 nodes (108966 simplex iterations) in 3.03 seconds (3.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 3

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/grafo325.13.sol'

