
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:27:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo671.13.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/grafo671.13.lp
Reading time = 0.01 seconds
: 3195 rows, 237 columns, 9670 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 3195 rows, 237 columns and 9670 nonzeros
Model fingerprint: 0x3ec78017
Variable types: 14 continuous, 223 integer (223 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]
Found heuristic solution: objective 2.0000000
Presolve removed 1162 rows and 9 columns
Presolve time: 0.03s
Presolved: 2033 rows, 228 columns, 6247 nonzeros
Variable types: 0 continuous, 228 integer (214 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.100000e+01, 158 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   11.00000    0   72    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0  104    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0  102    5.00000   11.00000   120%     -    0s
     0     0   10.50000    0   39    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   35    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   54    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   59    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   64    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   73    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   51    5.00000   10.00000   100%     -    0s
     0     0    9.50000    0   56    5.00000    9.50000  90.0%     -    0s
H    0     0                       6.0000000    9.50000  58.3%     -    0s
     0     0    9.50000    0   61    6.00000    9.50000  58.3%     -    0s
     0     0    9.00000    0   57    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   58    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   55    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   49    6.00000    9.00000  50.0%     -    0s
* 2152   224              27       7.0000000    8.50000  21.4%  34.7    3s

Cutting planes:
  Gomory: 1
  Cover: 6
  Clique: 2
  MIR: 69
  Inf proof: 47
  Zero half: 4
  RLT: 29
  BQP: 1

Explored 2401 nodes (80901 simplex iterations) in 3.38 seconds (2.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo671.13.sol'

