
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:27:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10514.39.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/grafo10514.39.lp
Reading time = 1.91 seconds
: 67042 rows, 2038 columns, 202851 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 67042 rows, 2038 columns and 202851 nonzeros
Model fingerprint: 0x4e8471de
Variable types: 44 continuous, 1994 integer (1994 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 12657 rows and 38 columns
Presolve time: 3.28s
Presolved: 54385 rows, 2000 columns, 165306 nonzeros
Variable types: 0 continuous, 2000 integer (1956 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2000 rows, 56385 columns, 167306 nonzeros


Root relaxation: objective 3.900000e+01, 1666 iterations, 0.88 seconds (0.30 work units)
Total elapsed time = 10.19s (DegenMoves)

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

     0     0   39.00000    0  311   11.00000   39.00000   255%     -   10s
     0     0   39.00000    0  630   11.00000   39.00000   255%     - 1107s

Cutting planes:
  Gomory: 9
  Cover: 2
  Clique: 7
  MIR: 36
  Zero half: 2
  RLT: 18
  BQP: 1

Explored 1 nodes (11354 simplex iterations) in 1107.40 seconds (7.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

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

Wrote result file './lp_solutions/grafo10514.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:40:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10514.39.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/grafo10514.39.lp
Reading time = 0.11 seconds
: 67042 rows, 2038 columns, 202851 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 67042 rows, 2038 columns and 202851 nonzeros
Model fingerprint: 0x4e8471de
Variable types: 44 continuous, 1994 integer (1994 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 12657 rows and 38 columns
Presolve time: 0.47s
Presolved: 54385 rows, 2000 columns, 165306 nonzeros
Variable types: 0 continuous, 2000 integer (1956 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2000 rows, 56385 columns, 167306 nonzeros


Root relaxation: objective 3.900000e+01, 1666 iterations, 0.30 seconds (0.30 work units)

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

     0     0   39.00000    0  311   11.00000   39.00000   255%     -    3s
     0     0   39.00000    0  630   11.00000   39.00000   255%     -    9s
     0     0   39.00000    0  609   11.00000   39.00000   255%     -    9s
H    0     0                      12.0000000   39.00000   225%     -   23s
H    0     0                      13.0000000   39.00000   200%     -   23s
H    0     0                      14.0000000   39.00000   179%     -   23s
     0     0   39.00000    0  412   14.00000   39.00000   179%     -   23s
H    0     0                      15.0000000   39.00000   160%     -   23s
     0     0   39.00000    0  382   15.00000   39.00000   160%     -   23s
     0     0   39.00000    0  360   15.00000   39.00000   160%     -   32s
     0     0   39.00000    0  414   15.00000   39.00000   160%     -   32s
H    0     0                      16.0000000   39.00000   144%     -   41s
H    0     0                      17.0000000   39.00000   129%     -   41s
     0     0   39.00000    0  341   17.00000   39.00000   129%     -   41s
     0     0   39.00000    0  363   17.00000   39.00000   129%     -   42s
     0     0   39.00000    0  409   17.00000   39.00000   129%     -   50s

Cutting planes:
  Cover: 24
  Clique: 8
  MIR: 100
  StrongCG: 2
  GUB cover: 1
  Zero half: 50
  RLT: 50
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (59503 simplex iterations) in 50.11 seconds (46.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 16 15 ... 11

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo10514.39.sol'

