
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:37:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6248.39.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/grafo6248.39.lp
Reading time = 0.13 seconds
: 79387 rows, 2011 columns, 239784 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 79387 rows, 2011 columns and 239784 nonzeros
Model fingerprint: 0x944af448
Variable types: 44 continuous, 1967 integer (1967 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 20043 rows and 32 columns
Presolve time: 0.53s
Presolved: 59344 rows, 1979 columns, 180088 nonzeros
Variable types: 0 continuous, 1979 integer (1935 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1976 rows, 61320 columns, 182067 nonzeros


Root relaxation: objective 4.300000e+01, 1934 iterations, 0.41 seconds (0.41 work units)

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

     0     0   43.00000    0  513    4.00000   43.00000   975%     -    4s
H    0     0                       6.0000000   43.00000   617%     -    4s
H    0     0                       7.0000000   43.00000   514%     -    4s
H    0     0                       9.0000000   43.00000   378%     -    6s
     0     0   43.00000    0  857    9.00000   43.00000   378%     -   15s
H    0     0                      11.0000000   43.00000   291%     -   15s
H    0     0                      13.0000000   43.00000   231%     -   15s
     0     0   43.00000    0  846   13.00000   43.00000   231%     -   15s
     0     0   43.00000    0  865   13.00000   43.00000   231%     -   37s
     0     0   43.00000    0  853   13.00000   43.00000   231%     -   38s
     0     0   43.00000    0  826   13.00000   43.00000   231%     -   50s

Cutting planes:
  Gomory: 4
  Clique: 9
  MIR: 89
  StrongCG: 1
  Zero half: 115
  RLT: 55
  BQP: 1

Explored 1 nodes (38306 simplex iterations) in 50.06 seconds (41.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 9 ... 4

Time limit reached
Best objective 1.300000000000e+01, best bound 4.300000000000e+01, gap 230.7692%

Wrote result file './lp_solutions/grafo6248.39.sol'

