
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:40:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo379.15.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/grafo379.15.lp
Reading time = 0.01 seconds
: 7068 rows, 253 columns, 21275 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 7068 rows, 253 columns and 21275 nonzeros
Model fingerprint: 0x960d5d78
Variable types: 12 continuous, 241 integer (241 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 3280 rows and 3 columns
Presolve time: 0.04s
Presolved: 3788 rows, 250 columns, 11478 nonzeros
Variable types: 0 continuous, 250 integer (238 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 206 iterations, 0.02 seconds (0.02 work units)

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

     0     0   11.00000    0   60    2.00000   11.00000   450%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   86    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   68    5.00000   11.00000   120%     -    0s
     0     0   10.71429    0   60    5.00000   10.71429   114%     -    0s
     0     0   10.71429    0   59    5.00000   10.71429   114%     -    0s
     0     0   10.50000    0   75    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   71    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   84    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   78    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   73    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   71    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   55    5.00000   10.00000   100%     -    1s
     0     0   10.00000    0   55    5.00000   10.00000   100%     -    1s
     0     2   10.00000    0   55    5.00000   10.00000   100%     -    1s
H 1497   866                       6.0000000   10.00000  66.7%  48.4    4s
  1747   927    8.00000   28   96    6.00000   10.00000  66.7%  49.5    5s
  6691  1708     cutoff   43         6.00000    8.00000  33.3%  51.6   10s
H10107   460                       7.0000000    8.00000  14.3%  55.9   13s

Cutting planes:
  MIR: 1
  Inf proof: 1
  RLT: 1

Explored 10711 nodes (581346 simplex iterations) in 13.32 seconds (11.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 7 6 5 ... 1

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/grafo379.15.sol'

