
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:14:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo292.16.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/grafo292.16.lp
Reading time = 0.01 seconds
: 2819 rows, 250 columns, 8526 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 2819 rows, 250 columns and 8526 nonzeros
Model fingerprint: 0xe6321605
Variable types: 11 continuous, 239 integer (239 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 936 rows and 4 columns
Presolve time: 0.02s
Presolved: 1883 rows, 246 columns, 5789 nonzeros
Variable types: 0 continuous, 246 integer (235 binary)

Root relaxation: objective 1.000000e+01, 178 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   10.00000    0   32          -   10.00000      -     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   59    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   47    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   45    5.00000   10.00000   100%     -    0s
     0     0    9.00000    0   37    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   54    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   41    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   41    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   35    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0   67    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   22    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   47    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   40    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   38    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   29    6.00000    9.00000  50.0%     -    0s

Cutting planes:
  Gomory: 7
  Cover: 60
  Clique: 4
  MIR: 56
  StrongCG: 1
  Inf proof: 102
  Zero half: 7
  RLT: 31
  BQP: 2

Explored 3607 nodes (102385 simplex iterations) in 2.22 seconds (2.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 3 

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/grafo292.16.sol'

