
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:44:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6235.45.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/grafo6235.45.lp
Reading time = 0.10 seconds
: 64349 rows, 2100 columns, 194499 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 64349 rows, 2100 columns and 194499 nonzeros
Model fingerprint: 0xb50fe6de
Variable types: 42 continuous, 2058 integer (2058 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 3.0000000
Presolve removed 8460 rows and 41 columns
Presolve time: 0.48s
Presolved: 55889 rows, 2059 columns, 169543 nonzeros
Variable types: 0 continuous, 2059 integer (2017 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 2059 rows, 57948 columns, 171602 nonzeros


Root relaxation: objective 3.100000e+01, 26024 iterations, 3.91 seconds (3.74 work units)
Total elapsed time = 9.17s (DegenMoves)

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

     0     0   31.00000    0  283    6.00000   31.00000   417%     -    9s
H    0     0                       8.0000000   31.00000   287%     -   10s
H    0     0                       9.0000000   31.00000   244%     -   10s
H    0     0                      10.0000000   31.00000   210%     -   11s
H    0     0                      11.0000000   31.00000   182%     -   11s
     0     0   31.00000    0  560   11.00000   31.00000   182%     -   14s
H    0     0                      12.0000000   31.00000   158%     -   14s
     0     0   31.00000    0  549   12.00000   31.00000   158%     -   14s
H    0     0                      13.0000000   31.00000   138%     -   32s
H    0     0                      14.0000000   31.00000   121%     -   32s
     0     0   31.00000    0  373   14.00000   31.00000   121%     -   32s
     0     0   31.00000    0  426   14.00000   31.00000   121%     -   33s
H    0     0                      15.0000000   31.00000   107%     -   44s
     0     0   31.00000    0  268   15.00000   31.00000   107%     -   44s
     0     0   31.00000    0  304   15.00000   31.00000   107%     -   45s
     0     0   31.00000    0  408   15.00000   31.00000   107%     -   50s

Cutting planes:
  Cover: 21
  MIR: 103
  StrongCG: 1
  GUB cover: 6
  Zero half: 28
  RLT: 31

Explored 1 nodes (78390 simplex iterations) in 50.07 seconds (46.22 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 3.100000000000e+01, gap 106.6667%

Wrote result file './lp_solutions/grafo6235.45.sol'

