
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:01:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9943.38.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/grafo9943.38.lp
Reading time = 0.11 seconds
: 71191 rows, 2056 columns, 215312 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 71191 rows, 2056 columns and 215312 nonzeros
Model fingerprint: 0x5613c35f
Variable types: 46 continuous, 2010 integer (2010 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 -0.0000000
Presolve removed 14318 rows and 33 columns
Presolve time: 0.47s
Presolved: 56873 rows, 2023 columns, 172795 nonzeros
Variable types: 0 continuous, 2023 integer (1977 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 2023 rows, 58896 columns, 174818 nonzeros


Root relaxation: objective 4.900000e+01, 20153 iterations, 3.02 seconds (2.58 work units)
Total elapsed time = 9.03s (DegenMoves)

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

     0     0   49.00000    0  489    8.00000   49.00000   512%     -    9s
H    0     0                      10.0000000   49.00000   390%     -   10s
H    0     0                      11.0000000   49.00000   345%     -   20s
     0     0   49.00000    0  787   11.00000   49.00000   345%     -   20s
     0     0   49.00000    0  775   11.00000   49.00000   345%     -   22s
H    0     0                      12.0000000   49.00000   308%     -   49s
H    0     0                      13.0000000   49.00000   277%     -   49s
     0     0   49.00000    0  700   13.00000   49.00000   277%     -   49s
     0     0          -    0        13.00000   49.00000   277%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 2
  Clique: 1
  MIR: 91
  Zero half: 17
  RLT: 42

Explored 1 nodes (58376 simplex iterations) in 50.07 seconds (45.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... -0

Time limit reached
Best objective 1.300000000000e+01, best bound 4.900000000000e+01, gap 276.9231%

Wrote result file './lp_solutions/grafo9943.38.sol'

