
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:51:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6559.38.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/grafo6559.38.lp
Reading time = 0.09 seconds
: 50439 rows, 1673 columns, 152519 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 50439 rows, 1673 columns and 152519 nonzeros
Model fingerprint: 0xce4d8258
Variable types: 39 continuous, 1634 integer (1634 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 9127 rows and 30 columns
Presolve time: 0.37s
Presolved: 41312 rows, 1643 columns, 125442 nonzeros
Variable types: 0 continuous, 1643 integer (1604 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 23737 rows, 19218 columns, 90292 nonzeros


Root relaxation: objective 3.500000e+01, 1949 iterations, 0.75 seconds (0.65 work units)

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

     0     0   35.00000    0  322    8.00000   35.00000   338%     -    2s
H    0     0                       9.0000000   35.00000   289%     -    3s
     0     0   35.00000    0  539    9.00000   35.00000   289%     -    6s
     0     0   35.00000    0  484    9.00000   35.00000   289%     -    6s
H    0     0                      10.0000000   35.00000   250%     -   16s
     0     0   35.00000    0  383   10.00000   35.00000   250%     -   16s
     0     0   35.00000    0  383   10.00000   35.00000   250%     -   16s
     0     0   35.00000    0  451   10.00000   35.00000   250%     -   23s
     0     0   35.00000    0  451   10.00000   35.00000   250%     -   24s
     0     0   35.00000    0  392   10.00000   35.00000   250%     -   29s
     0     0   35.00000    0  386   10.00000   35.00000   250%     -   30s
H    0     0                      12.0000000   35.00000   192%     -   38s
     0     0   35.00000    0  439   12.00000   35.00000   192%     -   38s
     0     0   35.00000    0  471   12.00000   35.00000   192%     -   39s
H    0     0                      13.0000000   35.00000   169%     -   40s
H    0     0                      14.0000000   35.00000   150%     -   49s
     0     0   35.00000    0  353   14.00000   35.00000   150%     -   49s
     0     0   35.00000    0  353   14.00000   35.00000   150%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 2
  MIR: 19
  Zero half: 1
  RLT: 19

Explored 1 nodes (62604 simplex iterations) in 50.02 seconds (40.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo6559.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:46:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6559.38.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/grafo6559.38.lp
Reading time = 0.08 seconds
: 50439 rows, 1673 columns, 152519 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 50439 rows, 1673 columns and 152519 nonzeros
Model fingerprint: 0xce4d8258
Variable types: 39 continuous, 1634 integer (1634 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 9127 rows and 30 columns
Presolve time: 0.33s
Presolved: 41312 rows, 1643 columns, 125442 nonzeros
Variable types: 0 continuous, 1643 integer (1604 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 23737 rows, 19218 columns, 90292 nonzeros


Root relaxation: objective 3.500000e+01, 1949 iterations, 0.65 seconds (0.65 work units)

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

     0     0   35.00000    0  322    8.00000   35.00000   338%     -    2s
H    0     0                       9.0000000   35.00000   289%     -    3s
     0     0   35.00000    0  539    9.00000   35.00000   289%     -    5s
     0     0   35.00000    0  484    9.00000   35.00000   289%     -    5s
H    0     0                      10.0000000   35.00000   250%     -   13s
     0     0   35.00000    0  383   10.00000   35.00000   250%     -   13s
     0     0   35.00000    0  383   10.00000   35.00000   250%     -   14s
     0     0   35.00000    0  451   10.00000   35.00000   250%     -   20s
     0     0   35.00000    0  451   10.00000   35.00000   250%     -   20s
     0     0   35.00000    0  392   10.00000   35.00000   250%     -   24s
     0     0   35.00000    0  386   10.00000   35.00000   250%     -   25s
H    0     0                      12.0000000   35.00000   192%     -   32s
     0     0   35.00000    0  439   12.00000   35.00000   192%     -   32s
     0     0   35.00000    0  471   12.00000   35.00000   192%     -   33s
H    0     0                      13.0000000   35.00000   169%     -   33s
H    0     0                      14.0000000   35.00000   150%     -   41s
     0     0   35.00000    0  353   14.00000   35.00000   150%     -   41s
     0     0   35.00000    0  317   14.00000   35.00000   150%     -   42s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 2
  MIR: 10
  Zero half: 1
  RLT: 16

Explored 1 nodes (63947 simplex iterations) in 50.03 seconds (49.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo6559.38.sol'

