
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:48:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3892.35.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/grafo3892.35.lp
Reading time = 0.14 seconds
: 86049 rows, 1379 columns, 259065 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 86049 rows, 1379 columns and 259065 nonzeros
Model fingerprint: 0x3ceb745f
Variable types: 32 continuous, 1347 integer (1347 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 34504 rows and 1 columns
Presolve time: 0.49s
Presolved: 51545 rows, 1378 columns, 155733 nonzeros
Variable types: 0 continuous, 1378 integer (1346 binary)
Root relaxation presolved: 1376 rows, 52921 columns, 157111 nonzeros


Root relaxation: objective 3.000000e+01, 2037 iterations, 0.61 seconds (0.76 work units)
Total elapsed time = 5.66s (DegenMoves)

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

     0     0   30.00000    0  383          -   30.00000      -     -    6s
H    0     0                       6.0000000   30.00000   400%     -    7s
     0     0   30.00000    0  546    6.00000   30.00000   400%     -   11s
H    0     0                       7.0000000   30.00000   329%     -   11s
     0     0   30.00000    0  470    7.00000   30.00000   329%     -   11s
H    0     0                      10.0000000   30.00000   200%     -   19s
     0     0   30.00000    0  318   10.00000   30.00000   200%     -   19s
     0     0   30.00000    0  312   10.00000   30.00000   200%     -   19s
     0     0   30.00000    0  171   10.00000   30.00000   200%     -   25s
     0     0   30.00000    0  305   10.00000   30.00000   200%     -   26s
H    0     0                      11.0000000   30.00000   173%     -   35s
H    0     0                      13.0000000   30.00000   131%     -   35s
     0     0   30.00000    0  303   13.00000   30.00000   131%     -   35s
     0     0   30.00000    0  240   13.00000   30.00000   131%     -   35s
H    0     0                      14.0000000   30.00000   114%     -   50s
     0     0   30.00000    0  196   14.00000   30.00000   114%     -   50s

Cutting planes:
  Cover: 2
  Clique: 13
  MIR: 15
  Zero half: 1
  RLT: 21
  BQP: 5

Explored 1 nodes (51982 simplex iterations) in 50.12 seconds (48.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 11 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 3.000000000000e+01, gap 114.2857%

Wrote result file './lp_solutions/grafo3892.35.sol'

