
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 16:10:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1594.25.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/grafo1594.25.lp
Reading time = 0.02 seconds
: 8258 rows, 660 columns, 25128 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 8258 rows, 660 columns and 25128 nonzeros
Model fingerprint: 0xce930522
Variable types: 21 continuous, 639 integer (639 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 640 rows and 49 columns
Presolve time: 0.05s
Presolved: 7618 rows, 611 columns, 23240 nonzeros
Variable types: 0 continuous, 611 integer (590 binary)

Root relaxation: objective 1.700000e+01, 308 iterations, 0.03 seconds (0.02 work units)

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

     0     0   17.00000    0  116          -   17.00000      -     -    0s
H    0     0                       9.0000000   17.00000  88.9%     -    0s
     0     0   17.00000    0  180    9.00000   17.00000  88.9%     -    0s
H    0     0                      10.0000000   17.00000  70.0%     -    0s
     0     0   17.00000    0  176   10.00000   17.00000  70.0%     -    0s
     0     0   17.00000    0   82   10.00000   17.00000  70.0%     -    1s
     0     0   17.00000    0   82   10.00000   17.00000  70.0%     -    1s
     0     0   16.66667    0   83   10.00000   16.66667  66.7%     -    1s
     0     0   16.66667    0   77   10.00000   16.66667  66.7%     -    1s
     0     0   16.66667    0   84   10.00000   16.66667  66.7%     -    1s
     0     0   16.66667    0   81   10.00000   16.66667  66.7%     -    1s
     0     0   16.66667    0   85   10.00000   16.66667  66.7%     -    1s
H    0     0                      11.0000000   16.66667  51.5%     -    1s
     0     0   16.66667    0   83   11.00000   16.66667  51.5%     -    1s
     0     0   16.66667    0   84   11.00000   16.66667  51.5%     -    1s
     0     0   16.66667    0   87   11.00000   16.66667  51.5%     -    1s
     0     0   16.66667    0   85   11.00000   16.66667  51.5%     -    1s
     0     0   16.66667    0   76   11.00000   16.66667  51.5%     -    1s
     0     2   16.66667    0   76   11.00000   16.66667  51.5%     -    2s
   804   274 infeasible   13        11.00000   16.66667  51.5%  92.7    5s
  2089   595 infeasible   13        11.00000   16.50000  50.0%   109   10s

Cutting planes:
  Gomory: 1
  Cover: 57
  Clique: 11
  MIR: 96
  StrongCG: 8
  Inf proof: 164
  Zero half: 4
  RLT: 50
  Relax-and-lift: 1
  BQP: 5
  PSD: 1

Explored 4501 nodes (368047 simplex iterations) in 14.58 seconds (18.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 9 

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0000%

Wrote result file './lp_solutions/grafo1594.25.sol'

