
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:46:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3034.29.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/grafo3034.29.lp
Reading time = 0.34 seconds
: 212366 rows, 1551 columns, 638482 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 212366 rows, 1551 columns and 638482 nonzeros
Model fingerprint: 0x7d3b9665
Variable types: 39 continuous, 1512 integer (1512 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 1.0000000
Presolve removed 99805 rows and 16 columns
Presolve time: 1.76s
Presolved: 112561 rows, 1535 columns, 339432 nonzeros
Variable types: 0 continuous, 1535 integer (1496 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1526 rows, 114087 columns, 340967 nonzeros


Root relaxation: objective 3.800000e+01, 2435 iterations, 1.64 seconds (2.05 work units)
Total elapsed time = 11.36s (DegenMoves)

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

     0     0   38.00000    0  422   10.00000   38.00000   280%     -   14s
H    0     0                      11.0000000   38.00000   245%     -   15s
     0     0   38.00000    0  591   11.00000   38.00000   245%     -   25s
     0     0   38.00000    0  574   11.00000   38.00000   245%     -   26s
     0     0   38.00000    0  621   11.00000   38.00000   245%     -   50s

Cutting planes:
  Gomory: 11
  Lift-and-project: 23
  Cover: 9
  Clique: 38
  MIR: 109
  Zero half: 11
  RLT: 53

Explored 1 nodes (24820 simplex iterations) in 50.05 seconds (58.38 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo3034.29.sol'

