
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:13:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5587.48.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/grafo5587.48.lp
Reading time = 0.21 seconds
: 125135 rows, 2071 columns, 376588 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 125135 rows, 2071 columns and 376588 nonzeros
Model fingerprint: 0xf2a0d347
Variable types: 37 continuous, 2034 integer (2034 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 40484 rows and 15 columns
Presolve time: 0.97s
Presolved: 84651 rows, 2056 columns, 255394 nonzeros
Variable types: 0 continuous, 2056 integer (2019 binary)
Root relaxation presolved: 2044 rows, 86695 columns, 257450 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24327    2.8862457e+01   0.000000e+00   1.523731e+02      5s
   25969    2.9000000e+01   0.000000e+00   0.000000e+00      5s
   25969    2.9000000e+01   0.000000e+00   0.000000e+00      5s
   25969    2.9000000e+01   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 2.900000e+01, 25969 iterations, 4.19 seconds (3.14 work units)
Total elapsed time = 12.56s (DegenMoves)
Total elapsed time = 15.66s (DegenMoves)

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

     0     0   29.00000    0  371          -   29.00000      -     -   16s
H    0     0                       3.0000000   29.00000   867%     -   20s
     0     0   29.00000    0  516    3.00000   29.00000   867%     -   23s
H    0     0                      10.0000000   29.00000   190%     -   24s
     0     0   29.00000    0  533   10.00000   29.00000   190%     -   24s
     0     0   29.00000    0  368   10.00000   29.00000   190%     -   50s

Cutting planes:
  Gomory: 8
  Lift-and-project: 39
  Cover: 6
  Clique: 10
  MIR: 71
  GUB cover: 1
  Zero half: 23
  RLT: 35
  Relax-and-lift: 1
  BQP: 2
  PSD: 1

Explored 1 nodes (59626 simplex iterations) in 50.04 seconds (53.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 3 

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo5587.48.sol'

