
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:57:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3216.40.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/grafo3216.40.lp
Reading time = 0.10 seconds
: 59621 rows, 2005 columns, 180513 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 59621 rows, 2005 columns and 180513 nonzeros
Model fingerprint: 0xca777b5e
Variable types: 44 continuous, 1961 integer (1961 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 7876 rows and 21 columns
Presolve time: 0.37s
Presolved: 51745 rows, 1984 columns, 157244 nonzeros
Variable types: 0 continuous, 1984 integer (1940 binary)
Root relaxation presolved: 28621 rows, 25108 columns, 110996 nonzeros


Root relaxation: objective 3.400000e+01, 5129 iterations, 2.89 seconds (2.66 work units)
Total elapsed time = 7.79s (DegenMoves)
Total elapsed time = 10.99s (DegenMoves)

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

     0     0   34.00000    0  615          -   34.00000      -     -   11s
H    0     0                      11.0000000   34.00000   209%     -   11s
     0     0   34.00000    0  780   11.00000   34.00000   209%     -   19s
     0     0   34.00000    0  762   11.00000   34.00000   209%     -   20s
     0     0   33.00000    0  443   11.00000   33.00000   200%     -   42s
     0     0   33.00000    0  429   11.00000   33.00000   200%     -   43s
     0     0   33.00000    0  687   11.00000   33.00000   200%     -   50s

Cutting planes:
  Cover: 18
  Clique: 12
  MIR: 69
  GUB cover: 4
  Zero half: 250
  RLT: 42
  PSD: 1

Explored 1 nodes (52295 simplex iterations) in 50.05 seconds (48.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo3216.40.sol'

