
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 10:02:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7549.38.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/grafo7549.38.lp
Reading time = 0.15 seconds
: 85577 rows, 1973 columns, 258387 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 85577 rows, 1973 columns and 258387 nonzeros
Model fingerprint: 0xc4ddc8a4
Variable types: 44 continuous, 1929 integer (1929 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 3.0000000
Presolve removed 24024 rows and 21 columns
Presolve time: 0.69s
Presolved: 61553 rows, 1952 columns, 186634 nonzeros
Variable types: 0 continuous, 1952 integer (1908 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1952 rows, 63505 columns, 188586 nonzeros


Root relaxation: objective 4.400000e+01, 2448 iterations, 0.77 seconds (0.62 work units)
Total elapsed time = 7.48s (DegenMoves)

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

     0     0   44.00000    0  584   10.00000   44.00000   340%     -    9s
H    0     0                      12.0000000   44.00000   267%     -   12s
     0     0   44.00000    0  798   12.00000   44.00000   267%     -   23s
     0     0   44.00000    0  830   12.00000   44.00000   267%     -   24s
     0     0   44.00000    0  836   12.00000   44.00000   267%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 6
  Clique: 16
  MIR: 110
  Zero half: 114
  RLT: 60
  BQP: 4

Explored 1 nodes (34671 simplex iterations) in 50.09 seconds (37.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 10 3 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.400000000000e+01, gap 266.6667%

Wrote result file './lp_solutions/grafo7549.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:57:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7549.38.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/grafo7549.38.lp
Reading time = 0.14 seconds
: 85577 rows, 1973 columns, 258387 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 85577 rows, 1973 columns and 258387 nonzeros
Model fingerprint: 0xc4ddc8a4
Variable types: 44 continuous, 1929 integer (1929 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 3.0000000
Presolve removed 24024 rows and 21 columns
Presolve time: 0.60s
Presolved: 61553 rows, 1952 columns, 186634 nonzeros
Variable types: 0 continuous, 1952 integer (1908 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1952 rows, 63505 columns, 188586 nonzeros


Root relaxation: objective 4.400000e+01, 2448 iterations, 0.56 seconds (0.62 work units)
Total elapsed time = 6.43s (DegenMoves)

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

     0     0   44.00000    0  584   10.00000   44.00000   340%     -    7s
H    0     0                      12.0000000   44.00000   267%     -   10s
     0     0   44.00000    0  798   12.00000   44.00000   267%     -   20s
     0     0   44.00000    0  830   12.00000   44.00000   267%     -   21s
     0     0   44.00000    0  836   12.00000   44.00000   267%     -   44s
     0     0   44.00000    0  825   12.00000   44.00000   267%     -   44s
     0     0   44.00000    0  804   12.00000   44.00000   267%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 13
  MIR: 84
  Zero half: 90
  RLT: 73
  BQP: 4

Explored 1 nodes (38692 simplex iterations) in 50.08 seconds (44.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 10 3 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.400000000000e+01, gap 266.6667%

Wrote result file './lp_solutions/grafo7549.38.sol'

