
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:23:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2990.35.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/grafo2990.35.lp
Reading time = 0.28 seconds
: 177239 rows, 1895 columns, 533315 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 177239 rows, 1895 columns and 533315 nonzeros
Model fingerprint: 0x0175bff1
Variable types: 42 continuous, 1853 integer (1853 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 76959 rows and 12 columns
Presolve time: 1.34s
Presolved: 100280 rows, 1883 columns, 302736 nonzeros
Variable types: 0 continuous, 1883 integer (1841 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1877 rows, 102157 columns, 304619 nonzeros


Root relaxation: objective 5.000000e+01, 2031 iterations, 0.96 seconds (0.96 work units)
Total elapsed time = 6.87s (DegenMoves)

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

     0     0   50.00000    0  558    7.00000   50.00000   614%     -    7s
H    0     0                       8.0000000   50.00000   525%     -    8s
H    0     0                      10.0000000   50.00000   400%     -    8s
     0     0   50.00000    0  836   10.00000   50.00000   400%     -   24s
H    0     0                      11.0000000   50.00000   355%     -   25s
     0     0   50.00000    0  686   11.00000   50.00000   355%     -   26s
     0     0   50.00000    0  706   11.00000   50.00000   355%     -   50s

Cutting planes:
  Lift-and-project: 66
  Cover: 13
  Clique: 42
  MIR: 111
  StrongCG: 1
  Zero half: 29
  RLT: 58
  BQP: 2

Explored 1 nodes (25587 simplex iterations) in 50.04 seconds (50.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 5.000000000000e+01, gap 354.5455%

Wrote result file './lp_solutions/grafo2990.35.sol'

