
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:58:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2892.41.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/grafo2892.41.lp
Reading time = 0.13 seconds
: 82704 rows, 1695 columns, 249158 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 82704 rows, 1695 columns and 249158 nonzeros
Model fingerprint: 0x1ed2b483
Variable types: 35 continuous, 1660 integer (1660 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 27304 rows and 5 columns
Presolve time: 0.49s
Presolved: 55400 rows, 1690 columns, 167485 nonzeros
Variable types: 0 continuous, 1690 integer (1655 binary)
Root relaxation presolved: 1688 rows, 57088 columns, 169175 nonzeros


Root relaxation: objective 3.400000e+01, 1789 iterations, 0.38 seconds (0.38 work units)

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

     0     0   34.00000    0  323          -   34.00000      -     -    3s
H    0     0                       6.0000000   34.00000   467%     -    5s
H    0     0                      10.0000000   34.00000   240%     -    5s
     0     0   34.00000    0  528   10.00000   34.00000   240%     -    8s
     0     0   34.00000    0  498   10.00000   34.00000   240%     -    9s
     0     0   33.00000    0  382   10.00000   33.00000   230%     -   15s
     0     0   33.00000    0  363   10.00000   33.00000   230%     -   16s
     0     0   33.00000    0  459   10.00000   33.00000   230%     -   21s
     0     0   33.00000    0  429   10.00000   33.00000   230%     -   22s
     0     0   33.00000    0  341   10.00000   33.00000   230%     -   34s
     0     0   33.00000    0  382   10.00000   33.00000   230%     -   34s
H    0     0                      11.0000000   33.00000   200%     -   48s
     0     0   33.00000    0  436   11.00000   33.00000   200%     -   48s
     0     0   33.00000    0  375   11.00000   33.00000   200%     -   48s
     0     0          -    0        11.00000   33.00000   200%     -   50s

Cutting planes:
  Cover: 15
  Clique: 15
  MIR: 111
  Zero half: 31
  RLT: 52
  BQP: 1

Explored 1 nodes (55615 simplex iterations) in 50.09 seconds (53.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 6 

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

Wrote result file './lp_solutions/grafo2892.41.sol'

