
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:53:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6014.44.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/grafo6014.44.lp
Reading time = 0.33 seconds
: 183954 rows, 3056 columns, 554799 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 183954 rows, 3056 columns and 554799 nonzeros
Model fingerprint: 0x9d0e16c8
Variable types: 56 continuous, 3000 integer (3000 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, 6e+01]
Found heuristic solution: objective 5.0000000
Presolve removed 59530 rows and 14 columns
Presolve time: 1.78s
Presolved: 124424 rows, 3042 columns, 376984 nonzeros
Variable types: 0 continuous, 3042 integer (2986 binary)
Found heuristic solution: objective 16.0000000
Root relaxation presolved: 3031 rows, 127455 columns, 380026 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   11776    6.5429922e+01   0.000000e+00   1.076637e+06      5s
   25961    6.2863677e+01   0.000000e+00   3.445706e+04     10s
   38923    6.2849177e+01   0.000000e+00   2.640687e+04     15s
   52454    6.2842557e+01   0.000000e+00   2.321377e+04     20s
   65533    6.2838771e+01   0.000000e+00   4.291949e+03     25s
   78634    6.2836833e+01   0.000000e+00   4.657925e+03     30s
   91595    6.2835867e+01   0.000000e+00   1.936819e+02     35s
   97635    6.3000000e+01   0.000000e+00   0.000000e+00     37s
   97635    6.3000000e+01   0.000000e+00   0.000000e+00     37s
   97635    6.3000000e+01   0.000000e+00   0.000000e+00     38s

Root relaxation: objective 6.300000e+01, 97635 iterations, 35.52 seconds (23.62 work units)

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

     0     0   63.00000    0 1927   16.00000   63.00000   294%     -   50s

Explored 1 nodes (102125 simplex iterations) in 50.05 seconds (35.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 16 5 

Time limit reached
Best objective 1.600000000000e+01, best bound 6.300000000000e+01, gap 293.7500%

Wrote result file './lp_solutions/grafo6014.44.sol'

