
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:58:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo480.15.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/grafo480.15.lp
Reading time = 0.01 seconds
: 1977 rows, 207 columns, 5962 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 1977 rows, 207 columns and 5962 nonzeros
Model fingerprint: 0x7b4681b6
Variable types: 11 continuous, 196 integer (196 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 1.0000000
Presolve removed 467 rows and 6 columns
Presolve time: 0.02s
Presolved: 1510 rows, 201 columns, 4624 nonzeros
Variable types: 0 continuous, 201 integer (190 binary)

Root relaxation: objective 7.000000e+00, 153 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   47    1.00000    7.00000   600%     -    0s
H    0     0                       2.0000000    7.00000   250%     -    0s
H    0     0                       3.0000000    7.00000   133%     -    0s
     0     0    7.00000    0   80    3.00000    7.00000   133%     -    0s
     0     0    7.00000    0   80    3.00000    7.00000   133%     -    0s
     0     0    7.00000    0   31    3.00000    7.00000   133%     -    0s
     0     0    6.66667    0   38    3.00000    6.66667   122%     -    0s
     0     0    6.66667    0   38    3.00000    6.66667   122%     -    0s
     0     0    6.66667    0   38    3.00000    6.66667   122%     -    0s
     0     0    6.66667    0   34    3.00000    6.66667   122%     -    0s
     0     0    6.66667    0   23    3.00000    6.66667   122%     -    0s
H    0     0                       4.0000000    6.66667  66.7%     -    0s
     0     0    6.66667    0   31    4.00000    6.66667  66.7%     -    0s
     0     0    6.16667    0   20    4.00000    6.16667  54.2%     -    0s
H    0     0                       5.0000000    6.16667  23.3%     -    0s
     0     0    6.00000    0   22    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   38    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   37    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   29    5.00000    6.00000  20.0%     -    0s
     0     0    5.66667    0   36    5.00000    5.66667  13.3%     -    0s

Cutting planes:
  Cover: 2
  MIR: 14
  Inf proof: 1
  Zero half: 2
  RLT: 5

Explored 1 nodes (2079 simplex iterations) in 0.40 seconds (0.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo480.15.sol'

