
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:30:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11603.38.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/grafo11603.38.lp
Reading time = 0.17 seconds
: 103380 rows, 1871 columns, 311656 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 103380 rows, 1871 columns and 311656 nonzeros
Model fingerprint: 0x7615ed7d
Variable types: 40 continuous, 1831 integer (1831 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 4.0000000
Presolve removed 35944 rows and 16 columns
Presolve time: 0.65s
Presolved: 67436 rows, 1855 columns, 204238 nonzeros
Variable types: 0 continuous, 1855 integer (1815 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 1855 rows, 69291 columns, 206093 nonzeros


Root relaxation: objective 3.200000e+01, 1289 iterations, 0.33 seconds (0.32 work units)

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

     0     0   32.00000    0  246   12.00000   32.00000   167%     -    2s
H    0     0                      14.0000000   32.00000   129%     -    2s
H    0     0                      15.0000000   32.00000   113%     -    3s
     0     0   32.00000    0  532   15.00000   32.00000   113%     -    7s
     0     0   32.00000    0  532   15.00000   32.00000   113%     -    7s
H    0     0                      16.0000000   32.00000   100%     -   19s
     0     0   32.00000    0  376   16.00000   32.00000   100%     -   19s
     0     0   32.00000    0  360   16.00000   32.00000   100%     -   20s
     0     0   32.00000    0  299   16.00000   32.00000   100%     -   30s
     0     0   32.00000    0  349   16.00000   32.00000   100%     -   30s
     0     0   32.00000    0  408   16.00000   32.00000   100%     -   40s
     0     0   32.00000    0  380   16.00000   32.00000   100%     -   40s
     0     0   32.00000    0  389   16.00000   32.00000   100%     -   49s

Cutting planes:
  Cover: 4
  Clique: 13
  MIR: 18
  Zero half: 2
  RLT: 22
  BQP: 1

Explored 1 nodes (40182 simplex iterations) in 50.09 seconds (43.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.200000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo11603.38.sol'

