
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:33:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3047.33.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/grafo3047.33.lp
Reading time = 0.04 seconds
: 20270 rows, 894 columns, 61180 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 20270 rows, 894 columns and 61180 nonzeros
Model fingerprint: 0x2343b07d
Variable types: 20 continuous, 874 integer (874 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 6592 rows and 85 columns
Presolve time: 0.12s
Presolved: 13678 rows, 809 columns, 41471 nonzeros
Variable types: 0 continuous, 809 integer (789 binary)

Root relaxation: objective 1.200000e+01, 245 iterations, 0.04 seconds (0.03 work units)

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

     0     0   12.00000    0   47          -   12.00000      -     -    0s
H    0     0                       9.0000000   12.00000  33.3%     -    0s
     0     0   12.00000    0   87    9.00000   12.00000  33.3%     -    0s
     0     0   12.00000    0   91    9.00000   12.00000  33.3%     -    0s
     0     0   11.00000    0   27    9.00000   11.00000  22.2%     -    0s
     0     0   11.00000    0   30    9.00000   11.00000  22.2%     -    0s
     0     0   11.00000    0   39    9.00000   11.00000  22.2%     -    1s
H    0     0                      10.0000000   11.00000  10.0%     -    1s
     0     0   11.00000    0   38   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   48   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   53   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   52   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   51   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   60   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   43   10.00000   11.00000  10.0%     -    1s
     0     0   11.00000    0   68   10.00000   11.00000  10.0%     -    2s
     0     0   11.00000    0   67   10.00000   11.00000  10.0%     -    2s
     0     2   11.00000    0   66   10.00000   11.00000  10.0%     -    2s
   637    88 infeasible   27        10.00000   11.00000  10.0%  72.9    5s
  1957     4     cutoff   15        10.00000   11.00000  10.0%  85.7   10s

Cutting planes:
  Cover: 36
  Clique: 4
  MIR: 49
  StrongCG: 2
  Inf proof: 111
  Zero half: 8
  RLT: 25
  BQP: 1

Explored 2036 nodes (182376 simplex iterations) in 10.14 seconds (12.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 9 

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0000%

Wrote result file './lp_solutions/grafo3047.33.sol'

