
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 08:04:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo980.20.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/grafo980.20.lp
Reading time = 0.01 seconds
: 3385 rows, 329 columns, 10231 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 3385 rows, 329 columns and 10231 nonzeros
Model fingerprint: 0x5c251550
Variable types: 13 continuous, 316 integer (316 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 298 rows and 4 columns
Presolve time: 0.03s
Presolved: 3087 rows, 325 columns, 9379 nonzeros
Variable types: 0 continuous, 325 integer (312 binary)

Root relaxation: objective 1.000000e+01, 255 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   10.00000    0   86          -   10.00000      -     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0  107    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0  107    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   22    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   25    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   32    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   31    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   36    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   35    5.00000   10.00000   100%     -    0s
     0     0    9.66667    0   36    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   26    5.00000    9.66667  93.3%     -    0s
     0     0    9.50000    0   36    5.00000    9.50000  90.0%     -    0s
     0     0    9.50000    0   42    5.00000    9.50000  90.0%     -    0s
     0     0    9.50000    0   42    5.00000    9.50000  90.0%     -    0s
H    0     2                       6.0000000    9.50000  58.3%     -    0s
     0     2    9.50000    0   26    6.00000    9.50000  58.3%     -    0s

Cutting planes:
  Cover: 8
  Clique: 5
  MIR: 21
  GUB cover: 1
  Inf proof: 66
  Zero half: 2
  RLT: 24
  BQP: 2
  PSD: 2

Explored 1136 nodes (43253 simplex iterations) in 2.73 seconds (1.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 5 

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/grafo980.20.sol'

