
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:59:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5607.38.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/grafo5607.38.lp
Reading time = 0.20 seconds
: 125795 rows, 1988 columns, 378967 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 125795 rows, 1988 columns and 378967 nonzeros
Model fingerprint: 0xcf4cde7b
Variable types: 43 continuous, 1945 integer (1945 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 47480 rows and 15 columns
Presolve time: 0.80s
Presolved: 78315 rows, 1973 columns, 236764 nonzeros
Variable types: 0 continuous, 1973 integer (1930 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1967 rows, 80282 columns, 238737 nonzeros


Root relaxation: objective 5.000000e+01, 2984 iterations, 1.21 seconds (1.60 work units)
Total elapsed time = 11.99s (DegenMoves)

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

     0     0   50.00000    0  661    4.00000   50.00000  1150%     -   14s
H    0     0                       5.0000000   50.00000   900%     -   14s
H    0     0                       8.0000000   50.00000   525%     -   14s
     0     0   50.00000    0  968    8.00000   50.00000   525%     -   35s
H    0     0                      10.0000000   50.00000   400%     -   35s
     0     0   50.00000    0  893   10.00000   50.00000   400%     -   38s
     0     0   50.00000    0  911   10.00000   50.00000   400%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 16
  Clique: 31
  MIR: 105
  StrongCG: 2
  Zero half: 61
  RLT: 68
  BQP: 6

Explored 1 nodes (35186 simplex iterations) in 50.03 seconds (55.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 8 5 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 5.000000000000e+01, gap 400.0000%

Wrote result file './lp_solutions/grafo5607.38.sol'

