
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:37:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo975.36.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/grafo975.36.lp
Reading time = 0.20 seconds
: 119743 rows, 1928 columns, 360831 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 119743 rows, 1928 columns and 360831 nonzeros
Model fingerprint: 0x5b27e062
Variable types: 43 continuous, 1885 integer (1885 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 -0.0000000
Presolve removed 45320 rows and 12 columns
Presolve time: 0.81s
Presolved: 74423 rows, 1916 columns, 225184 nonzeros
Variable types: 0 continuous, 1916 integer (1873 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1907 rows, 76330 columns, 227100 nonzeros


Root relaxation: objective 5.000000e+01, 2085 iterations, 0.54 seconds (0.57 work units)
Total elapsed time = 7.50s (DegenMoves)

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

     0     0   50.00000    0  571    8.00000   50.00000   525%     -    8s
H    0     0                      10.0000000   50.00000   400%     -   35s
     0     0   50.00000    0 1020   10.00000   50.00000   400%     -   35s
     0     0   50.00000    0  957   10.00000   50.00000   400%     -   37s
     0     0          -    0        10.00000   50.00000   400%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 12
  Clique: 34
  MIR: 107
  Zero half: 56
  RLT: 81
  BQP: 2

Explored 1 nodes (28581 simplex iterations) in 50.08 seconds (46.22 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.000000000000e+01, gap 400.0000%

Wrote result file './lp_solutions/grafo975.36.sol'

