
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:28:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11495.39.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/grafo11495.39.lp
Reading time = 0.21 seconds
: 127818 rows, 2435 columns, 385715 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 127818 rows, 2435 columns and 385715 nonzeros
Model fingerprint: 0x8b1db7d0
Variable types: 50 continuous, 2385 integer (2385 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 3.0000000
Presolve removed 38930 rows and 25 columns
Presolve time: 0.99s
Presolved: 88888 rows, 2410 columns, 269512 nonzeros
Variable types: 0 continuous, 2410 integer (2360 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2407 rows, 91295 columns, 271922 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22018    4.8951951e+01   0.000000e+00   3.051700e+04      5s
   44866    4.8938839e+01   0.000000e+00   8.275900e+02     10s
   57313    4.9000000e+01   0.000000e+00   0.000000e+00     13s
   57313    4.9000000e+01   0.000000e+00   0.000000e+00     13s
   57313    4.9000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 4.900000e+01, 57313 iterations, 11.61 seconds (9.66 work units)
Total elapsed time = 21.74s (DegenMoves)

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

     0     0   49.00000    0  540    7.00000   49.00000   600%     -   23s
H    0     0                      11.0000000   49.00000   345%     -   24s
     0     0   49.00000    0  983   11.00000   49.00000   345%     -   46s
     0     0   49.00000    0  913   11.00000   49.00000   345%     -   48s

Cutting planes:
  Gomory: 4
  Cover: 10
  Clique: 18
  MIR: 157
  Zero half: 71
  RLT: 29
  BQP: 2
  PSD: 2

Explored 1 nodes (80652 simplex iterations) in 50.66 seconds (49.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 7 3 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.900000000000e+01, gap 345.4545%

Wrote result file './lp_solutions/grafo11495.39.sol'

