
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:01:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11262.41.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/grafo11262.41.lp
Reading time = 0.17 seconds
: 83812 rows, 1886 columns, 252782 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 83812 rows, 1886 columns and 252782 nonzeros
Model fingerprint: 0x863e3758
Variable types: 39 continuous, 1847 integer (1847 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]
Presolve removed 23984 rows and 19 columns
Presolve time: 0.72s
Presolved: 59828 rows, 1867 columns, 181119 nonzeros
Variable types: 0 continuous, 1867 integer (1828 binary)
Root relaxation presolved: 1867 rows, 61695 columns, 182986 nonzeros


Root relaxation: objective 3.600000e+01, 2058 iterations, 0.65 seconds (0.48 work units)
Total elapsed time = 6.91s (DegenMoves)

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

     0     0   36.00000    0  466          -   36.00000      -     -    7s
H    0     0                      10.0000000   36.00000   260%     -    7s
H    0     0                      12.0000000   36.00000   200%     -    7s
     0     0   36.00000    0  796   12.00000   36.00000   200%     -   19s
H    0     0                      13.0000000   36.00000   177%     -   19s
H    0     0                      14.0000000   36.00000   157%     -   20s
     0     0   36.00000    0  730   14.00000   36.00000   157%     -   20s
     0     0   36.00000    0  346   14.00000   36.00000   157%     -   50s

Cutting planes:
  Gomory: 7
  Lift-and-project: 24
  Clique: 13
  MIR: 37
  Zero half: 30
  RLT: 40
  BQP: 2

Explored 1 nodes (34732 simplex iterations) in 50.12 seconds (37.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 12 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo11262.41.sol'

