
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:38:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5381.36.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/grafo5381.36.lp
Reading time = 0.12 seconds
: 46769 rows, 1618 columns, 141494 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 46769 rows, 1618 columns and 141494 nonzeros
Model fingerprint: 0xb516c554
Variable types: 39 continuous, 1579 integer (1579 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 8746 rows and 31 columns
Presolve time: 0.72s
Presolved: 38023 rows, 1587 columns, 115599 nonzeros
Variable types: 0 continuous, 1587 integer (1548 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21744 rows, 17866 columns, 83041 nonzeros


Root relaxation: objective 3.900000e+01, 2977 iterations, 1.96 seconds (1.22 work units)
Total elapsed time = 5.82s (DegenMoves)
Total elapsed time = 16.17s (DegenMoves)

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

     0     0   39.00000    0  450    6.00000   39.00000   550%     -   18s
H    0     0                       9.0000000   39.00000   333%     -   18s
H    0     0                      11.0000000   39.00000   255%     -   20s
     0     0   39.00000    0  614   11.00000   39.00000   255%     -   24s
     0     0   39.00000    0  597   11.00000   39.00000   255%     -   25s
     0     0   39.00000    0  474   11.00000   39.00000   255%     -   48s
     0     0   39.00000    0  418   11.00000   39.00000   255%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 1
  MIR: 30
  Zero half: 1
  RLT: 28

Explored 1 nodes (52791 simplex iterations) in 50.05 seconds (39.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 6 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo5381.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:32:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5381.36.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/grafo5381.36.lp
Reading time = 0.08 seconds
: 46769 rows, 1618 columns, 141494 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 46769 rows, 1618 columns and 141494 nonzeros
Model fingerprint: 0xb516c554
Variable types: 39 continuous, 1579 integer (1579 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 8746 rows and 31 columns
Presolve time: 0.32s
Presolved: 38023 rows, 1587 columns, 115599 nonzeros
Variable types: 0 continuous, 1587 integer (1548 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21744 rows, 17866 columns, 83041 nonzeros


Root relaxation: objective 3.900000e+01, 2977 iterations, 1.26 seconds (1.22 work units)
Total elapsed time = 12.38s (DegenMoves)

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

     0     0   39.00000    0  450    6.00000   39.00000   550%     -   14s
H    0     0                       9.0000000   39.00000   333%     -   14s
H    0     0                      11.0000000   39.00000   255%     -   15s
     0     0   39.00000    0  614   11.00000   39.00000   255%     -   18s
     0     0   39.00000    0  597   11.00000   39.00000   255%     -   18s
     0     0   39.00000    0  474   11.00000   39.00000   255%     -   35s
     0     0   39.00000    0  418   11.00000   39.00000   255%     -   36s
H    0     0                      12.0000000   39.00000   225%     -   48s
     0     0   39.00000    0  646   12.00000   39.00000   225%     -   48s
     0     0   39.00000    0  622   12.00000   39.00000   225%     -   49s
     0     0          -    0        12.00000   39.00000   225%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 6
  MIR: 113
  GUB cover: 1
  Zero half: 44
  RLT: 69

Explored 1 nodes (68376 simplex iterations) in 50.04 seconds (52.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 9 ... 1

Time limit reached
Best objective 1.200000000000e+01, best bound 3.900000000000e+01, gap 225.0000%

Wrote result file './lp_solutions/grafo5381.36.sol'

