
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:51:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6356.37.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/grafo6356.37.lp
Reading time = 0.10 seconds
: 63230 rows, 1560 columns, 190755 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 63230 rows, 1560 columns and 190755 nonzeros
Model fingerprint: 0xfb7482f8
Variable types: 36 continuous, 1524 integer (1524 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]
Found heuristic solution: objective 3.0000000
Presolve removed 19143 rows and 20 columns
Presolve time: 0.46s
Presolved: 44087 rows, 1540 columns, 133611 nonzeros
Variable types: 0 continuous, 1540 integer (1504 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1540 rows, 45627 columns, 135151 nonzeros


Root relaxation: objective 3.700000e+01, 1887 iterations, 0.36 seconds (0.39 work units)

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

     0     0   37.00000    0  327    7.00000   37.00000   429%     -    3s
H    0     0                       8.0000000   37.00000   363%     -    3s
H    0     0                      10.0000000   37.00000   270%     -    4s
H    0     0                      11.0000000   37.00000   236%     -    6s
     0     0   37.00000    0  520   11.00000   37.00000   236%     -    6s
     0     0   37.00000    0  496   11.00000   37.00000   236%     -    7s
H    0     0                      12.0000000   37.00000   208%     -    8s
H    0     0                      13.0000000   37.00000   185%     -   16s
     0     0   37.00000    0  300   13.00000   37.00000   185%     -   16s
H    0     0                      14.0000000   37.00000   164%     -   16s
     0     0   37.00000    0  282   14.00000   37.00000   164%     -   16s
     0     0   36.71429    0  274   14.00000   36.71429   162%     -   34s
     0     0   36.71429    0  233   14.00000   36.71429   162%     -   34s
     0     0   36.71429    0  250   14.00000   36.71429   162%     -   41s
     0     0   36.71429    0  255   14.00000   36.71429   162%     -   41s
     0     0   36.71429    0  309   14.00000   36.71429   162%     -   50s

Cutting planes:
  Clique: 5
  MIR: 33
  Zero half: 2
  RLT: 15

Explored 1 nodes (57230 simplex iterations) in 50.08 seconds (44.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 3

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

Wrote result file './lp_solutions/grafo6356.37.sol'

