
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:00:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6100.34.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/grafo6100.34.lp
Reading time = 0.26 seconds
: 164536 rows, 1730 columns, 495084 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 164536 rows, 1730 columns and 495084 nonzeros
Model fingerprint: 0x690ba9d9
Variable types: 40 continuous, 1690 integer (1690 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]
Presolve removed 71628 rows and 6 columns
Presolve time: 1.21s
Presolved: 92908 rows, 1724 columns, 280474 nonzeros
Variable types: 0 continuous, 1724 integer (1684 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1715 rows, 94623 columns, 282198 nonzeros


Root relaxation: objective 3.900000e+01, 2452 iterations, 1.01 seconds (1.33 work units)
Total elapsed time = 8.05s (DegenMoves)
Total elapsed time = 10.37s (DegenMoves)

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

     0     0   39.00000    0  501    7.00000   39.00000   457%     -   11s
H    0     0                      10.0000000   39.00000   290%     -   11s
H    0     0                      11.0000000   39.00000   255%     -   11s
H    0     0                      12.0000000   39.00000   225%     -   11s
     0     0   39.00000    0  612   12.00000   39.00000   225%     -   23s
H    0     0                      13.0000000   39.00000   200%     -   24s
     0     0   39.00000    0  659   13.00000   39.00000   200%     -   24s
     0     0   39.00000    0  540   13.00000   39.00000   200%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 28
  Cover: 21
  Clique: 29
  MIR: 70
  StrongCG: 1
  Zero half: 32
  RLT: 65
  BQP: 1

Explored 1 nodes (28339 simplex iterations) in 50.05 seconds (55.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.899999999997e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo6100.34.sol'

