
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:41:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2424.35.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/grafo2424.35.lp
Reading time = 0.13 seconds
: 73840 rows, 1494 columns, 222598 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 73840 rows, 1494 columns and 222598 nonzeros
Model fingerprint: 0x005c2b38
Variable types: 36 continuous, 1458 integer (1458 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 25689 rows and 29 columns
Presolve time: 0.51s
Presolved: 48151 rows, 1465 columns, 145851 nonzeros
Variable types: 0 continuous, 1465 integer (1429 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1465 rows, 49616 columns, 147316 nonzeros


Root relaxation: objective 3.000000e+01, 1195 iterations, 0.25 seconds (0.26 work units)

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

     0     0   30.00000    0  224    5.00000   30.00000   500%     -    3s
H    0     0                       6.0000000   30.00000   400%     -    3s
H    0     0                       8.0000000   30.00000   275%     -    3s
H    0     0                       9.0000000   30.00000   233%     -    4s
     0     0   30.00000    0  469    9.00000   30.00000   233%     -    7s
     0     0   30.00000    0  435    9.00000   30.00000   233%     -    8s
     0     0   30.00000    0  368    9.00000   30.00000   233%     -   15s
     0     0   30.00000    0  283    9.00000   30.00000   233%     -   16s
H    0     0                      10.0000000   30.00000   200%     -   24s
H    0     0                      11.0000000   30.00000   173%     -   24s
     0     0   30.00000    0  342   11.00000   30.00000   173%     -   24s
     0     0   30.00000    0  328   11.00000   30.00000   173%     -   25s
     0     0   30.00000    0  234   11.00000   30.00000   173%     -   37s
     0     0   30.00000    0  233   11.00000   30.00000   173%     -   37s
H    0     0                      12.0000000   30.00000   150%     -   42s
     0     0   30.00000    0  331   12.00000   30.00000   150%     -   42s
H    0     0                      13.0000000   30.00000   131%     -   42s
     0     0   30.00000    0  294   13.00000   30.00000   131%     -   42s
     0     0   30.00000    0  286   13.00000   30.00000   131%     -   50s

Cutting planes:
  Cover: 1
  Clique: 5
  MIR: 16
  Zero half: 2
  RLT: 14

Explored 1 nodes (55054 simplex iterations) in 50.08 seconds (48.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 5

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

Wrote result file './lp_solutions/grafo2424.35.sol'

