
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:10:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2741.29.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/grafo2741.29.lp
Reading time = 0.23 seconds
: 94193 rows, 1457 columns, 283805 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 94193 rows, 1457 columns and 283805 nonzeros
Model fingerprint: 0xfda19696
Variable types: 39 continuous, 1418 integer (1418 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 38386 rows and 33 columns
Presolve time: 1.05s
Presolved: 55807 rows, 1424 columns, 168936 nonzeros
Variable types: 0 continuous, 1424 integer (1385 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1424 rows, 57231 columns, 170360 nonzeros


Root relaxation: objective 4.200000e+01, 2703 iterations, 1.57 seconds (1.52 work units)
Total elapsed time = 9.36s (DegenMoves)
Total elapsed time = 10.04s (DegenMoves)

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

     0     0   42.00000    0  506    8.00000   42.00000   425%     -   11s
H    0     0                       9.0000000   42.00000   367%     -   11s
     0     0   42.00000    0  766    9.00000   42.00000   367%     -   27s
H    0     0                      10.0000000   42.00000   320%     -   27s
     0     0   42.00000    0  731   10.00000   42.00000   320%     -   30s
     0     0   42.00000    0  738   10.00000   42.00000   320%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 10
  Clique: 29
  MIR: 128
  StrongCG: 3
  Zero half: 39
  RLT: 66
  BQP: 4

Explored 1 nodes (27182 simplex iterations) in 50.08 seconds (33.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.200000000000e+01, gap 320.0000%

Wrote result file './lp_solutions/grafo2741.29.sol'

