
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:51:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5193.37.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/grafo5193.37.lp
Reading time = 0.09 seconds
: 52661 rows, 1609 columns, 159160 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 52661 rows, 1609 columns and 159160 nonzeros
Model fingerprint: 0xf5e0b416
Variable types: 37 continuous, 1572 integer (1572 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 11939 rows and 30 columns
Presolve time: 0.38s
Presolved: 40722 rows, 1579 columns, 123787 nonzeros
Variable types: 0 continuous, 1579 integer (1542 binary)
Root relaxation presolved: 25182 rows, 17119 columns, 92707 nonzeros


Root relaxation: objective 2.800000e+01, 3286 iterations, 1.36 seconds (1.39 work units)
Total elapsed time = 5.41s (DegenMoves)

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

     0     0   28.00000    0  407          -   28.00000      -     -    5s
H    0     0                       5.0000000   28.00000   460%     -    5s
H    0     0                       8.0000000   28.00000   250%     -    5s
H    0     0                       9.0000000   28.00000   211%     -    5s
     0     0   28.00000    0  589    9.00000   28.00000   211%     -   10s
     0     0   28.00000    0  557    9.00000   28.00000   211%     -   10s
     0     0   28.00000    0  330    9.00000   28.00000   211%     -   23s
     0     0   28.00000    0  448    9.00000   28.00000   211%     -   24s
H    0     0                      10.0000000   28.00000   180%     -   34s
     0     0   28.00000    0  377   10.00000   28.00000   180%     -   34s
     0     0   28.00000    0  377   10.00000   28.00000   180%     -   35s
H    0     0                      11.0000000   28.00000   155%     -   47s
     0     0   28.00000    0  439   11.00000   28.00000   155%     -   47s
     0     0   28.00000    0  495   11.00000   28.00000   155%     -   48s
     0     0          -    0        11.00000   28.00000   155%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 13
  Clique: 8
  MIR: 99
  StrongCG: 1
  GUB cover: 1
  Zero half: 10
  RLT: 38

Explored 1 nodes (67840 simplex iterations) in 50.04 seconds (51.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 5

Time limit reached
Best objective 1.100000000000e+01, best bound 2.800000000000e+01, gap 154.5455%

Wrote result file './lp_solutions/grafo5193.37.sol'

