
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:52:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2389.39.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/grafo2389.39.lp
Reading time = 0.15 seconds
: 90437 rows, 1931 columns, 272803 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 90437 rows, 1931 columns and 272803 nonzeros
Model fingerprint: 0xa417228b
Variable types: 42 continuous, 1889 integer (1889 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 27607 rows and 22 columns
Presolve time: 0.65s
Presolved: 62830 rows, 1909 columns, 190356 nonzeros
Variable types: 0 continuous, 1909 integer (1867 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1909 rows, 64739 columns, 192265 nonzeros


Root relaxation: objective 4.200000e+01, 1900 iterations, 0.44 seconds (0.43 work units)
Total elapsed time = 5.20s (DegenMoves)

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

     0     0   42.00000    0  378    7.00000   42.00000   500%     -    5s
H    0     0                       8.0000000   42.00000   425%     -    5s
H    0     0                       9.0000000   42.00000   367%     -    5s
H    0     0                      11.0000000   42.00000   282%     -    6s
H    0     0                      12.0000000   42.00000   250%     -   20s
     0     0   42.00000    0  871   12.00000   42.00000   250%     -   20s
H    0     0                      14.0000000   42.00000   200%     -   20s
     0     0   42.00000    0  871   14.00000   42.00000   200%     -   22s
     0     0   42.00000    0  865   14.00000   42.00000   200%     -   46s
     0     0          -    0        14.00000   42.00000   200%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 2
  Clique: 11
  MIR: 63
  Zero half: 21
  RLT: 52
  BQP: 1

Explored 1 nodes (38806 simplex iterations) in 50.06 seconds (44.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 12 11 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 4.200000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2389.39.sol'

