
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:28:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3447.35.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/grafo3447.35.lp
Reading time = 0.18 seconds
: 113215 rows, 1684 columns, 341021 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 113215 rows, 1684 columns and 341021 nonzeros
Model fingerprint: 0xa5a4aa17
Variable types: 37 continuous, 1647 integer (1647 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 49309 rows and 57 columns
Presolve time: 0.68s
Presolved: 63906 rows, 1627 columns, 193416 nonzeros
Variable types: 0 continuous, 1627 integer (1590 binary)
Root relaxation presolved: 1622 rows, 65528 columns, 195043 nonzeros


Root relaxation: objective 3.400000e+01, 1617 iterations, 0.52 seconds (0.58 work units)
Total elapsed time = 5.43s (DegenMoves)

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

     0     0   34.00000    0  331          -   34.00000      -     -    5s
H    0     0                      10.0000000   34.00000   240%     -    7s
     0     0   34.00000    0  568   10.00000   34.00000   240%     -   12s
H    0     0                      13.0000000   34.00000   162%     -   12s
     0     0   34.00000    0  557   13.00000   34.00000   162%     -   12s
H    0     0                      14.0000000   34.00000   143%     -   28s
     0     0   34.00000    0  405   14.00000   34.00000   143%     -   28s
     0     0   34.00000    0  402   14.00000   34.00000   143%     -   29s
H    0     0                      15.0000000   34.00000   127%     -   39s
H    0     0                      16.0000000   34.00000   112%     -   39s
     0     0   34.00000    0  318   16.00000   34.00000   112%     -   39s
     0     0   34.00000    0  315   16.00000   34.00000   112%     -   39s
     0     0   34.00000    0  354   16.00000   34.00000   112%     -   50s

Cutting planes:
  Cover: 17
  Clique: 13
  MIR: 92
  StrongCG: 7
  Zero half: 30
  RLT: 50
  BQP: 1

Explored 1 nodes (42570 simplex iterations) in 50.08 seconds (51.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 3.400000000000e+01, gap 112.5000%

Wrote result file './lp_solutions/grafo3447.35.sol'

