
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:22:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11665.40.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/grafo11665.40.lp
Reading time = 0.16 seconds
: 59070 rows, 1773 columns, 178429 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 59070 rows, 1773 columns and 178429 nonzeros
Model fingerprint: 0x853d09e7
Variable types: 38 continuous, 1735 integer (1735 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 14107 rows and 28 columns
Presolve time: 0.54s
Presolved: 44963 rows, 1745 columns, 136577 nonzeros
Variable types: 0 continuous, 1745 integer (1707 binary)
Root relaxation presolved: 26647 rows, 20061 columns, 99945 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    4244    3.0999837e+01   6.934748e+02   0.000000e+00      5s
    5832    3.1000000e+01   0.000000e+00   0.000000e+00      7s
    5832    3.1000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 3.100000e+01, 5832 iterations, 6.40 seconds (3.44 work units)
Total elapsed time = 12.16s (DegenMoves)
Total elapsed time = 15.23s (DegenMoves)

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

     0     0   31.00000    0  579          -   31.00000      -     -   15s
H    0     0                       5.0000000   31.00000   520%     -   18s
     0     0   31.00000    0  757    5.00000   31.00000   520%     -   29s
H    0     0                       8.0000000   31.00000   288%     -   29s
H    0     0                      10.0000000   31.00000   210%     -   30s
     0     0   31.00000    0  704   10.00000   31.00000   210%     -   30s
     0     0   31.00000    0  519   10.00000   31.00000   210%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 7
  Clique: 9
  MIR: 69
  Zero half: 66
  RLT: 58
  BQP: 5

Explored 1 nodes (36917 simplex iterations) in 50.07 seconds (29.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 5 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.100000000000e+01, gap 210.0000%

Wrote result file './lp_solutions/grafo11665.40.sol'

