
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:51:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo777.14.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/grafo777.14.lp
Reading time = 0.01 seconds
: 2437 rows, 236 columns, 7372 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 2437 rows, 236 columns and 7372 nonzeros
Model fingerprint: 0x3fd6785b
Variable types: 13 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 1.0000000
Presolve removed 735 rows and 9 columns
Presolve time: 0.03s
Presolved: 1702 rows, 227 columns, 5248 nonzeros
Variable types: 0 continuous, 227 integer (214 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 123 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   11.00000    0   68    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   88    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   88    5.00000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
     0     0   11.00000    0   83    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   79    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   84    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   83    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   87    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   88    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   81    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   81    6.00000   11.00000  83.3%     -    0s
     0     2   11.00000    0   81    6.00000   11.00000  83.3%     -    0s
  2143   853    9.50000   21   61    6.00000   10.00000  66.7%  40.6    5s
H 3543   648                       7.0000000    9.00000  28.6%  39.9    7s

Cutting planes:
  Inf proof: 9
  RLT: 4

Explored 4253 nodes (161668 simplex iterations) in 7.70 seconds (3.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 7 6 6 ... 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/grafo777.14.sol'

