
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:20:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7078.38.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/grafo7078.38.lp
Reading time = 0.14 seconds
: 83775 rows, 1857 columns, 252808 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 83775 rows, 1857 columns and 252808 nonzeros
Model fingerprint: 0x8b330098
Variable types: 42 continuous, 1815 integer (1815 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 4.0000000
Presolve removed 24403 rows and 25 columns
Presolve time: 0.60s
Presolved: 59372 rows, 1832 columns, 179967 nonzeros
Variable types: 0 continuous, 1832 integer (1790 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1832 rows, 61204 columns, 181799 nonzeros


Root relaxation: objective 3.300000e+01, 1546 iterations, 0.33 seconds (0.34 work units)

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

     0     0   33.00000    0  288    7.00000   33.00000   371%     -    3s
H    0     0                       9.0000000   33.00000   267%     -    3s
H    0     0                      10.0000000   33.00000   230%     -    3s
     0     0   33.00000    0  517   10.00000   33.00000   230%     -    7s
H    0     0                      11.0000000   33.00000   200%     -    7s
     0     0   33.00000    0  514   11.00000   33.00000   200%     -    7s
H    0     0                      12.0000000   33.00000   175%     -   15s
     0     0   33.00000    0  405   12.00000   33.00000   175%     -   15s
H    0     0                      14.0000000   33.00000   136%     -   31s
     0     0   33.00000    0  328   14.00000   33.00000   136%     -   31s
     0     0   33.00000    0  290   14.00000   33.00000   136%     -   32s
     0     0   33.00000    0  463   14.00000   33.00000   136%     -   48s
     0     0   33.00000    0  428   14.00000   33.00000   136%     -   48s
     0     0          -    0        14.00000   33.00000   136%     -   50s

Cutting planes:
  Cover: 33
  Clique: 32
  MIR: 56
  GUB cover: 1
  Zero half: 28
  RLT: 48
  BQP: 5

Explored 1 nodes (51420 simplex iterations) in 50.09 seconds (50.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 12 11 ... 4

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo7078.38.sol'

