
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:18:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo840.17.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/grafo840.17.lp
Reading time = 0.01 seconds
: 3101 rows, 331 columns, 9436 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 3101 rows, 331 columns and 9436 nonzeros
Model fingerprint: 0x8d645312
Variable types: 17 continuous, 314 integer (314 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 255 rows and 12 columns
Presolve time: 0.03s
Presolved: 2846 rows, 319 columns, 8782 nonzeros
Variable types: 0 continuous, 319 integer (302 binary)

Root relaxation: objective 7.000000e+00, 83 iterations, 0.01 seconds (0.00 work units)

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

     0     0    7.00000    0    3          -    7.00000      -     -    0s
H    0     0                       6.0000000    7.00000  16.7%     -    0s
     0     0    7.00000    0   35    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   33    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   33    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   28    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   23    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   11    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0    9    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   26    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   26    6.00000    7.00000  16.7%     -    0s
     0     2    7.00000    0   26    6.00000    7.00000  16.7%     -    0s
   477   174 infeasible   26         6.00000    7.00000  16.7%  67.2    5s
  1412   231    7.00000   29   20    6.00000    7.00000  16.7%  73.2   10s
  4233   135 infeasible   29         6.00000    7.00000  16.7%  67.8   15s
  5493   155 infeasible   27         6.00000    7.00000  16.7%  64.1   20s

Cutting planes:
  Clique: 1
  MIR: 1
  Flow cover: 1
  Zero half: 1
  RLT: 2

Explored 7045 nodes (439174 simplex iterations) in 22.75 seconds (9.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

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/grafo840.17.sol'

