
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:52:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5378.38.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/grafo5378.38.lp
Reading time = 0.47 seconds
: 288087 rows, 1810 columns, 865660 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 288087 rows, 1810 columns and 865660 nonzeros
Model fingerprint: 0xc2f8cfd1
Variable types: 38 continuous, 1772 integer (1772 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 145104 rows and 13 columns
Presolve time: 2.08s
Presolved: 142983 rows, 1797 columns, 430631 nonzeros
Variable types: 0 continuous, 1797 integer (1759 binary)
Root relaxation presolved: 1794 rows, 144777 columns, 432428 nonzeros


Root relaxation: objective 3.700000e+01, 2013 iterations, 1.18 seconds (1.34 work units)
Total elapsed time = 13.78s (DegenMoves)

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

     0     0   37.00000    0  438          -   37.00000      -     -   14s
H    0     0                       6.0000000   37.00000   517%     -   17s
     0     0   37.00000    0  768    6.00000   37.00000   517%     -   34s
     0     0   37.00000    0  761    6.00000   37.00000   517%     -   35s
     0     0   37.00000    0  692    6.00000   37.00000   517%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 4
  Clique: 43
  MIR: 74
  Zero half: 65
  RLT: 58
  BQP: 10

Explored 1 nodes (17947 simplex iterations) in 50.06 seconds (52.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 3.700000000000e+01, gap 516.6667%

Wrote result file './lp_solutions/grafo5378.38.sol'

