
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:49:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11164.40.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/grafo11164.40.lp
Reading time = 0.11 seconds
: 64663 rows, 1738 columns, 195177 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 64663 rows, 1738 columns and 195177 nonzeros
Model fingerprint: 0xb7af654e
Variable types: 38 continuous, 1700 integer (1700 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 17749 rows and 33 columns
Presolve time: 0.43s
Presolved: 46914 rows, 1705 columns, 142329 nonzeros
Variable types: 0 continuous, 1705 integer (1667 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28598 rows, 20021 columns, 105697 nonzeros


Root relaxation: objective 3.000000e+01, 2125 iterations, 0.90 seconds (0.93 work units)

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

     0     0   30.00000    0  302    5.00000   30.00000   500%     -    3s
H    0     0                       6.0000000   30.00000   400%     -    3s
H    0     0                       9.0000000   30.00000   233%     -    4s
     0     0   30.00000    0  629    9.00000   30.00000   233%     -    8s
     0     0   30.00000    0  567    9.00000   30.00000   233%     -    9s
H    0     0                      10.0000000   30.00000   200%     -   20s
H    0     0                      12.0000000   30.00000   150%     -   20s
     0     0   30.00000    0  385   12.00000   30.00000   150%     -   20s
     0     0   30.00000    0  390   12.00000   30.00000   150%     -   21s
     0     0   30.00000    0  337   12.00000   30.00000   150%     -   27s
     0     0   30.00000    0  330   12.00000   30.00000   150%     -   28s
     0     0   30.00000    0  353   12.00000   30.00000   150%     -   31s
     0     0   30.00000    0  347   12.00000   30.00000   150%     -   32s
H    0     0                      13.0000000   30.00000   131%     -   37s
     0     0   30.00000    0  249   13.00000   30.00000   131%     -   37s
     0     0   30.00000    0  393   13.00000   30.00000   131%     -   38s
     0     0   30.00000    0  348   13.00000   30.00000   131%     -   42s
     0     0   30.00000    0  341   13.00000   30.00000   131%     -   43s
     0     0   30.00000    0  390   13.00000   30.00000   131%     -   50s

Cutting planes:
  Cover: 3
  Clique: 9
  MIR: 31
  Zero half: 6
  RLT: 19
  Relax-and-lift: 1

Explored 1 nodes (62267 simplex iterations) in 50.08 seconds (45.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 10 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 3.000000000000e+01, gap 130.7692%

Wrote result file './lp_solutions/grafo11164.40.sol'

