
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:17:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo599.18.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/grafo599.18.lp
Reading time = 0.01 seconds
: 2843 rows, 300 columns, 8578 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 2843 rows, 300 columns and 8578 nonzeros
Model fingerprint: 0xf71e0805
Variable types: 14 continuous, 286 integer (286 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 -0.0000000
Presolve removed 378 rows and 21 columns
Presolve time: 0.03s
Presolved: 2465 rows, 279 columns, 7591 nonzeros
Variable types: 0 continuous, 279 integer (265 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 7.000000e+00, 45 iterations, 0.01 seconds (0.00 work units)

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

     0     0    7.00000    0   24    2.00000    7.00000   250%     -    0s
H    0     0                       3.0000000    7.00000   133%     -    0s
     0     0    7.00000    0   59    3.00000    7.00000   133%     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   35    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   14    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   15    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   45    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   46    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   41    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   36    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   34    5.00000    7.00000  40.0%     -    0s
H  791   219                       6.0000000    7.00000  16.7%  96.8    4s
   904   144    7.00000   12   36    6.00000    7.00000  16.7%   102    5s
  1046   154 infeasible   22         6.00000    7.00000  16.7%  20.6   10s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Flow cover: 9
  GUB cover: 1
  Inf proof: 1
  RLT: 7
  Relax-and-lift: 1

Explored 1341 nodes (155240 simplex iterations) in 12.13 seconds (5.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo599.18.sol'

