
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:09:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7312.41.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/grafo7312.41.lp
Reading time = 0.57 seconds
: 376211 rows, 5650 columns, 1128776 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 376211 rows, 5650 columns and 1128776 nonzeros
Model fingerprint: 0x56d7ed11
Variable types: 15 continuous, 5635 integer (5635 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 7.0000000
Presolve removed 180 rows and 9 columns
Presolve time: 2.03s
Presolved: 376031 rows, 5641 columns, 1128255 nonzeros
Variable types: 0 continuous, 5641 integer (5626 binary)
Root relaxation presolved: 5641 rows, 381672 columns, 1133896 nonzeros


Root relaxation: objective 1.100000e+01, 370 iterations, 1.86 seconds (1.66 work units)
Total elapsed time = 5.01s (DegenMoves)

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

     0     0   11.00000    0   30    7.00000   11.00000  57.1%     -    6s
     0     0   11.00000    0   81    7.00000   11.00000  57.1%     -   10s
     0     0   11.00000    0   77    7.00000   11.00000  57.1%     -   11s
     0     0   11.00000    0   24    7.00000   11.00000  57.1%     -   14s
     0     0   11.00000    0   28    7.00000   11.00000  57.1%     -   16s
     0     0   11.00000    0   21    7.00000   11.00000  57.1%     -   18s
     0     0   11.00000    0   31    7.00000   11.00000  57.1%     -   21s
     0     0   11.00000    0   25    7.00000   11.00000  57.1%     -   22s
     0     0   11.00000    0   36    7.00000   11.00000  57.1%     -   23s
     0     0   11.00000    0   34    7.00000   11.00000  57.1%     -   24s
     0     0   11.00000    0   21    7.00000   11.00000  57.1%     -   26s
     0     0   11.00000    0   22    7.00000   11.00000  57.1%     -   28s
     0     0   11.00000    0   22    7.00000   11.00000  57.1%     -   29s
     0     0   11.00000    0   21    7.00000   11.00000  57.1%     -   30s
     0     2   11.00000    0   20    7.00000   11.00000  57.1%     -   37s
    27    25   10.92308    7   17    7.00000   11.00000  57.1%  18.3   41s
    85    37 infeasible   14         7.00000   11.00000  57.1%  30.9   45s
   173    29 infeasible   10         7.00000   11.00000  57.1%  38.1   50s

Cutting planes:
  Cover: 2
  Clique: 9
  MIR: 6
  StrongCG: 1
  Inf proof: 6
  Zero half: 8
  RLT: 12
  BQP: 4

Explored 180 nodes (10827 simplex iterations) in 50.36 seconds (51.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 1.100000000000e+01, gap 57.1429%

Wrote result file './lp_solutions/grafo7312.41.sol'

