
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 03:09:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1179.17.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/grafo1179.17.lp
Reading time = 0.01 seconds
: 3899 rows, 343 columns, 11833 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 3899 rows, 343 columns and 11833 nonzeros
Model fingerprint: 0x8b8c795c
Variable types: 17 continuous, 326 integer (326 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 783 rows and 15 columns
Presolve time: 0.03s
Presolved: 3116 rows, 328 columns, 9604 nonzeros
Variable types: 0 continuous, 328 integer (311 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 261 iterations, 0.02 seconds (0.01 work units)

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

     0     0   10.00000    0  138    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0  108    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   93    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   83    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   53    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   50    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   38    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   42    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   68    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   58    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   48    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   59    5.00000   10.00000   100%     -    1s
     0     0    9.66667    0   61    5.00000    9.66667  93.3%     -    1s
     0     0    9.66667    0   60    5.00000    9.66667  93.3%     -    1s
     0     0    9.66667    0   56    5.00000    9.66667  93.3%     -    1s
     0     0    9.66667    0   60    5.00000    9.66667  93.3%     -    1s
     0     0    9.66667    0   54    5.00000    9.66667  93.3%     -    1s
     0     0    9.66667    0   54    5.00000    9.66667  93.3%     -    1s
     0     2    9.66667    0   49    5.00000    9.66667  93.3%     -    2s
*  316   217              23       6.0000000    9.66667  61.1%  60.0    3s
H  367   212                       7.0000000    9.66667  38.1%  59.4    4s

Cutting planes:
  Gomory: 2
  Cover: 5
  Clique: 3
  MIR: 53
  GUB cover: 2
  Inf proof: 11
  Zero half: 11
  RLT: 28
  BQP: 4

Explored 665 nodes (31577 simplex iterations) in 4.45 seconds (1.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 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/grafo1179.17.sol'

