
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:20:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5968.35.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/grafo5968.35.lp
Reading time = 0.21 seconds
: 46160 rows, 1542 columns, 139604 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 46160 rows, 1542 columns and 139604 nonzeros
Model fingerprint: 0x04596be5
Variable types: 38 continuous, 1504 integer (1504 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 -0.0000000
Presolve removed 9685 rows and 36 columns
Presolve time: 0.71s
Presolved: 36475 rows, 1506 columns, 110977 nonzeros
Variable types: 0 continuous, 1506 integer (1468 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 21494 rows, 16487 columns, 81015 nonzeros


Root relaxation: objective 3.400000e+01, 1929 iterations, 1.60 seconds (0.61 work units)
Total elapsed time = 5.13s (DegenMoves)

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

     0     0   34.00000    0  326    9.00000   34.00000   278%     -    5s
H    0     0                      10.0000000   34.00000   240%     -    5s
H    0     0                      11.0000000   34.00000   209%     -    7s
     0     0   34.00000    0  620   11.00000   34.00000   209%     -   15s
     0     0   34.00000    0  593   11.00000   34.00000   209%     -   15s
     0     0   34.00000    0  495   11.00000   34.00000   209%     -   31s

Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:34:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5968.35.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/grafo5968.35.lp
Reading time = 0.08 seconds
: 46160 rows, 1542 columns, 139604 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 46160 rows, 1542 columns and 139604 nonzeros
Model fingerprint: 0x04596be5
Variable types: 38 continuous, 1504 integer (1504 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 -0.0000000
Presolve removed 9685 rows and 36 columns
Presolve time: 0.32s
Presolved: 36475 rows, 1506 columns, 110977 nonzeros
Variable types: 0 continuous, 1506 integer (1468 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 21494 rows, 16487 columns, 81015 nonzeros


Root relaxation: objective 3.400000e+01, 1929 iterations, 0.63 seconds (0.61 work units)

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

     0     0   34.00000    0  326    9.00000   34.00000   278%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      11.0000000   34.00000   209%     -    3s
     0     0   34.00000    0  620   11.00000   34.00000   209%     -    7s
     0     0   34.00000    0  593   11.00000   34.00000   209%     -    7s
     0     0   34.00000    0  319   11.00000   34.00000   209%     -   23s
     0     0   34.00000    0  291   11.00000   34.00000   209%     -   23s
     0     0   34.00000    0  371   11.00000   34.00000   209%     -   28s
     0     0   34.00000    0  378   11.00000   34.00000   209%     -   28s
     0     0   34.00000    0  287   11.00000   34.00000   209%     -   32s
     0     0   34.00000    0  381   11.00000   34.00000   209%     -   33s
     0     0   34.00000    0  309   11.00000   34.00000   209%     -   41s
     0     0   34.00000    0  323   11.00000   34.00000   209%     -   41s
     0     0   34.00000    0  508   11.00000   34.00000   209%     -   47s
H    0     0                      12.0000000   34.00000   183%     -   47s
     0     0   34.00000    0  498   12.00000   34.00000   183%     -   47s
     0     0   34.00000    0  473   12.00000   34.00000   183%     -   50s

Cutting planes:
  Cover: 11
  MIR: 98
  StrongCG: 1
  GUB cover: 1
  Zero half: 58
  RLT: 52

Explored 1 nodes (77899 simplex iterations) in 50.04 seconds (47.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... -0

Time limit reached
Best objective 1.200000000000e+01, best bound 3.400000000000e+01, gap 183.3333%

Wrote result file './lp_solutions/grafo5968.35.sol'

