
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:30:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11451.32.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/grafo11451.32.lp
Reading time = 0.05 seconds
: 13404 rows, 815 columns, 40534 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 13404 rows, 815 columns and 40534 nonzeros
Model fingerprint: 0x19156199
Variable types: 22 continuous, 793 integer (793 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 202 rows and 13 columns
Presolve time: 0.17s
Presolved: 13202 rows, 802 columns, 40018 nonzeros
Variable types: 0 continuous, 802 integer (780 binary)

Root relaxation: objective 1.300000e+01, 267 iterations, 0.11 seconds (0.03 work units)

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

     0     0   13.00000    0   22          -   13.00000      -     -    0s
H    0     0                       9.0000000   13.00000  44.4%     -    0s
     0     0   13.00000    0   41    9.00000   13.00000  44.4%     -    0s
     0     0   13.00000    0   40    9.00000   13.00000  44.4%     -    1s
     0     0   13.00000    0   26    9.00000   13.00000  44.4%     -    1s
     0     0   13.00000    0   11    9.00000   13.00000  44.4%     -    1s
     0     0   13.00000    0   25    9.00000   13.00000  44.4%     -    2s
     0     0   13.00000    0   25    9.00000   13.00000  44.4%     -    2s
     0     0   13.00000    0   14    9.00000   13.00000  44.4%     -    2s
     0     0   13.00000    0   30    9.00000   13.00000  44.4%     -    3s
     0     0   13.00000    0   47    9.00000   13.00000  44.4%     -    3s
     0     0   13.00000    0   16    9.00000   13.00000  44.4%     -    3s
     0     0   13.00000    0   16    9.00000   13.00000  44.4%     -    3s
     0     2   13.00000    0   16    9.00000   13.00000  44.4%     -    4s
    67    40   12.95000    9   75    9.00000   13.00000  44.4%  48.4    5s
   493   124   12.16667    9   42    9.00000   13.00000  44.4%  55.3   10s
   873   125 infeasible   13         9.00000   13.00000  44.4%  56.9   15s

Cutting planes:
  Gomory: 4
  Cover: 7
  Clique: 1
  MIR: 18
  Inf proof: 61
  Zero half: 6
  Mod-K: 10
  RLT: 19

Explored 1238 nodes (63911 simplex iterations) in 17.14 seconds (6.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 9 

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo11451.32.sol'

