
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:56:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo184.41.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/grafo184.41.lp
Reading time = 0.08 seconds
: 50275 rows, 1795 columns, 152070 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 50275 rows, 1795 columns and 152070 nonzeros
Model fingerprint: 0x7975c883
Variable types: 39 continuous, 1756 integer (1756 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 6106 rows and 23 columns
Presolve time: 0.31s
Presolved: 44169 rows, 1772 columns, 134070 nonzeros
Variable types: 0 continuous, 1772 integer (1733 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 24370 rows, 21571 columns, 94472 nonzeros


Root relaxation: objective 2.900000e+01, 2645 iterations, 0.99 seconds (0.92 work units)

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

     0     0   29.00000    0  350    5.00000   29.00000   480%     -    3s
H    0     0                       7.0000000   29.00000   314%     -    3s
H    0     0                       9.0000000   29.00000   222%     -    4s
     0     0   29.00000    0  617    9.00000   29.00000   222%     -    7s
     0     0   29.00000    0  614    9.00000   29.00000   222%     -    7s
H    0     0                      10.0000000   29.00000   190%     -   23s
     0     0   29.00000    0  357   10.00000   29.00000   190%     -   23s
H    0     0                      11.0000000   29.00000   164%     -   23s
     0     0   29.00000    0  339   11.00000   29.00000   164%     -   23s
     0     0   29.00000    0  183   11.00000   29.00000   164%     -   28s
     0     0   29.00000    0  177   11.00000   29.00000   164%     -   28s
     0     0   29.00000    0  319   11.00000   29.00000   164%     -   31s
     0     0   29.00000    0  365   11.00000   29.00000   164%     -   32s
     0     0   29.00000    0  417   11.00000   29.00000   164%     -   37s
     0     0   29.00000    0  410   11.00000   29.00000   164%     -   37s
     0     0   29.00000    0  225   11.00000   29.00000   164%     -   41s
     0     0   29.00000    0  299   11.00000   29.00000   164%     -   41s
     0     0   29.00000    0  259   11.00000   29.00000   164%     -   45s
     0     0   29.00000    0  259   11.00000   29.00000   164%     -   46s
H    0     0                      13.0000000   29.00000   123%     -   50s

Cutting planes:
  Cover: 1
  Clique: 9
  MIR: 24
  Zero half: 2
  RLT: 23
  BQP: 2

Explored 1 nodes (73754 simplex iterations) in 50.03 seconds (48.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 10 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo184.41.sol'

