
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 08:05:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo985.15.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/grafo985.15.lp
Reading time = 0.01 seconds
: 3494 rows, 285 columns, 10578 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 3494 rows, 285 columns and 10578 nonzeros
Model fingerprint: 0xa48c12c6
Variable types: 15 continuous, 270 integer (270 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 1.0000000
Presolve removed 1098 rows and 12 columns
Presolve time: 0.03s
Presolved: 2396 rows, 273 columns, 7386 nonzeros
Variable types: 0 continuous, 273 integer (258 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.200000e+01, 165 iterations, 0.01 seconds (0.01 work units)

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

     0     0   12.00000    0   94    2.00000   12.00000   500%     -    0s
H    0     0                       3.0000000   12.00000   300%     -    0s
H    0     0                       4.0000000   12.00000   200%     -    0s
     0     0   12.00000    0  145    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  145    4.00000   12.00000   200%     -    0s
     0     0   11.66667    0   54    4.00000   11.66667   192%     -    0s
H    0     0                       5.0000000   11.66667   133%     -    0s
     0     0   11.66667    0   53    5.00000   11.66667   133%     -    0s
     0     0   11.66667    0   79    5.00000   11.66667   133%     -    0s
     0     0   11.66667    0   73    5.00000   11.66667   133%     -    0s
     0     0   11.50000    0   71    5.00000   11.50000   130%     -    0s
     0     0   11.50000    0   68    5.00000   11.50000   130%     -    0s
     0     0   11.33333    0   65    5.00000   11.33333   127%     -    0s
     0     0   11.33333    0   65    5.00000   11.33333   127%     -    0s
     0     0   11.16667    0   65    5.00000   11.16667   123%     -    0s
     0     0   11.16667    0   65    5.00000   11.16667   123%     -    0s
     0     2   11.16667    0   65    5.00000   11.16667   123%     -    1s
H   70    84                       6.0000000   11.16667  86.1%  48.0    1s
  1908   932    8.66667   25   82    6.00000   10.33333  72.2%  40.4    5s
* 2321   973              35       7.0000000   10.33333  47.6%  45.4    7s
  4156   343    8.00000   22  124    7.00000    9.00000  28.6%  47.6   10s

Cutting planes:
  Gomory: 1
  MIR: 2
  Inf proof: 3
  RLT: 6

Explored 5526 nodes (267340 simplex iterations) in 11.65 seconds (5.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 7 6 6 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo985.15.sol'

