
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:37:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2635.44.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/grafo2635.44.lp
Reading time = 0.15 seconds
: 90788 rows, 1983 columns, 273705 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 90788 rows, 1983 columns and 273705 nonzeros
Model fingerprint: 0x5512593e
Variable types: 40 continuous, 1943 integer (1943 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 24529 rows and 21 columns
Presolve time: 0.67s
Presolved: 66259 rows, 1962 columns, 200389 nonzeros
Variable types: 0 continuous, 1962 integer (1922 binary)
Root relaxation presolved: 1962 rows, 68221 columns, 202351 nonzeros


Root relaxation: objective 3.000000e+01, 2630 iterations, 0.68 seconds (0.77 work units)
Total elapsed time = 6.91s (DegenMoves)

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

     0     0   30.00000    0  317          -   30.00000      -     -    7s
H    0     0                       6.0000000   30.00000   400%     -    7s
H    0     0                       8.0000000   30.00000   275%     -    7s
     0     0   30.00000    0  551    8.00000   30.00000   275%     -   13s
H    0     0                      10.0000000   30.00000   200%     -   13s
     0     0   30.00000    0  527   10.00000   30.00000   200%     -   13s
H    0     0                      11.0000000   30.00000   173%     -   22s
     0     0   30.00000    0  440   11.00000   30.00000   173%     -   22s
H    0     0                      12.0000000   30.00000   150%     -   23s
     0     0   30.00000    0  387   12.00000   30.00000   150%     -   23s
     0     0   30.00000    0  557   12.00000   30.00000   150%     -   32s
     0     0   30.00000    0  505   12.00000   30.00000   150%     -   33s
     0     0   30.00000    0  380   12.00000   30.00000   150%     -   50s

Cutting planes:
  Cover: 23
  Clique: 22
  MIR: 83
  StrongCG: 2
  GUB cover: 2
  Zero half: 43
  RLT: 54
  BQP: 4

Explored 1 nodes (48602 simplex iterations) in 50.08 seconds (49.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 6

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo2635.44.sol'

