
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:17:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6889.38.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/grafo6889.38.lp
Reading time = 0.18 seconds
: 110211 rows, 1946 columns, 332224 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 110211 rows, 1946 columns and 332224 nonzeros
Model fingerprint: 0x033f7d2b
Variable types: 43 continuous, 1903 integer (1903 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 38073 rows and 30 columns
Presolve time: 0.78s
Presolved: 72138 rows, 1916 columns, 218347 nonzeros
Variable types: 0 continuous, 1916 integer (1873 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1913 rows, 74051 columns, 220263 nonzeros


Root relaxation: objective 4.000000e+01, 1824 iterations, 0.51 seconds (0.57 work units)
Total elapsed time = 5.21s (DegenMoves)

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

     0     0   40.00000    0  429    7.00000   40.00000   471%     -    5s
H    0     0                       9.0000000   40.00000   344%     -    5s
     0     0   40.00000    0  746    9.00000   40.00000   344%     -   18s
H    0     0                      10.0000000   40.00000   300%     -   18s
     0     0   40.00000    0  733   10.00000   40.00000   300%     -   18s
H    0     0                      11.0000000   40.00000   264%     -   42s
     0     0   40.00000    0  372   11.00000   40.00000   264%     -   42s
     0     0   40.00000    0  366   11.00000   40.00000   264%     -   42s
     0     0          -    0        11.00000   40.00000   264%     -   50s

Cutting planes:
  Cover: 46
  Clique: 18
  MIR: 144
  StrongCG: 4
  GUB cover: 7
  Zero half: 49
  RLT: 73

Explored 1 nodes (35765 simplex iterations) in 50.07 seconds (46.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 4.000000000000e+01, gap 263.6364%

Wrote result file './lp_solutions/grafo6889.38.sol'

