
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:34:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7380.36.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/grafo7380.36.lp
Reading time = 0.16 seconds
: 98886 rows, 1974 columns, 298423 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 98886 rows, 1974 columns and 298423 nonzeros
Model fingerprint: 0x81fea682
Variable types: 44 continuous, 1930 integer (1930 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 33303 rows and 44 columns
Presolve time: 0.82s
Presolved: 65583 rows, 1930 columns, 198901 nonzeros
Variable types: 0 continuous, 1930 integer (1886 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1930 rows, 67513 columns, 200831 nonzeros


Root relaxation: objective 4.300000e+01, 1957 iterations, 0.41 seconds (0.44 work units)
Total elapsed time = 5.93s (DegenMoves)

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

     0     0   43.00000    0  455    7.00000   43.00000   514%     -   13s
H    0     0                      13.0000000   43.00000   231%     -   13s
H    0     0                      14.0000000   43.00000   207%     -   14s
H    0     0                      15.0000000   43.00000   187%     -   23s
     0     0   43.00000    0  715   15.00000   43.00000   187%     -   23s
H    0     0                      16.0000000   43.00000   169%     -   24s
     0     0   43.00000    0  646   16.00000   43.00000   169%     -   25s
     0     0   42.66667    0  655   16.00000   42.66667   167%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 39
  Cover: 15
  Clique: 32
  MIR: 113
  StrongCG: 3
  Zero half: 28
  RLT: 67
  BQP: 5
  PSD: 1

Explored 1 nodes (37623 simplex iterations) in 50.08 seconds (50.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 14 ... 7

Time limit reached
Best objective 1.600000000000e+01, best bound 4.200000000000e+01, gap 162.5000%

Wrote result file './lp_solutions/grafo7380.36.sol'

