
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:46:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7472.45.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/grafo7472.45.lp
Reading time = 0.09 seconds
: 55774 rows, 2005 columns, 168633 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 55774 rows, 2005 columns and 168633 nonzeros
Model fingerprint: 0x2055b5ee
Variable types: 41 continuous, 1964 integer (1964 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 2.0000000
Presolve removed 3731 rows and 0 columns
Presolve time: 0.31s
Presolved: 52043 rows, 2005 columns, 157750 nonzeros
Variable types: 0 continuous, 2005 integer (1964 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 27193 rows, 26855 columns, 108050 nonzeros


Root relaxation: objective 2.500000e+01, 3141 iterations, 1.25 seconds (1.18 work units)

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

     0     0   25.00000    0  315    4.00000   25.00000   525%     -    4s
H    0     0                       7.0000000   25.00000   257%     -    4s
H    0     0                       8.0000000   25.00000   212%     -    5s
     0     0   25.00000    0  692    8.00000   25.00000   212%     -   10s
H    0     0                       9.0000000   25.00000   178%     -   10s
     0     0   25.00000    0  662    9.00000   25.00000   178%     -   10s
     0     0   25.00000    0  668    9.00000   25.00000   178%     -   24s
     0     0   25.00000    0  668    9.00000   25.00000   178%     -   24s
H    0     0                      10.0000000   25.00000   150%     -   35s
     0     0   25.00000    0  363   10.00000   25.00000   150%     -   35s
     0     0   25.00000    0  411   10.00000   25.00000   150%     -   36s
H    0     0                      11.0000000   25.00000   127%     -   43s
     0     0   25.00000    0  433   11.00000   25.00000   127%     -   43s
     0     0   25.00000    0  415   11.00000   25.00000   127%     -   43s
     0     0   25.00000    0  409   11.00000   25.00000   127%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 21
  Clique: 3
  MIR: 77
  StrongCG: 1
  Zero half: 23
  RLT: 41
  BQP: 1

Explored 1 nodes (65146 simplex iterations) in 50.06 seconds (45.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 2.500000000000e+01, gap 127.2727%

Wrote result file './lp_solutions/grafo7472.45.sol'

