
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:02:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1363.29.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/grafo1363.29.lp
Reading time = 0.11 seconds
: 52955 rows, 1236 columns, 159798 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 52955 rows, 1236 columns and 159798 nonzeros
Model fingerprint: 0x22b1b92d
Variable types: 34 continuous, 1202 integer (1202 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 2.0000000
Presolve removed 19132 rows and 16 columns
Presolve time: 0.49s
Presolved: 33823 rows, 1220 columns, 102617 nonzeros
Variable types: 0 continuous, 1220 integer (1186 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 24185 rows, 10858 columns, 83341 nonzeros


Root relaxation: objective 3.500000e+01, 1247 iterations, 0.61 seconds (0.41 work units)

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

     0     0   35.00000    0  302    5.00000   35.00000   600%     -    2s
H    0     0                       7.0000000   35.00000   400%     -    3s
H    0     0                       8.0000000   35.00000   338%     -    5s
     0     0   34.66667    0  436    8.00000   34.66667   333%     -    5s
     0     0   34.00000    0  414    8.00000   34.00000   325%     -    6s
     0     0   34.00000    0  295    8.00000   34.00000   325%     -   10s
H    0     0                       9.0000000   34.00000   278%     -   11s
     0     0   34.00000    0  395    9.00000   34.00000   278%     -   11s
H    0     0                      10.0000000   34.00000   240%     -   35s
H    0     0                      11.0000000   34.00000   209%     -   35s
H    0     0                      12.0000000   34.00000   183%     -   35s
H    0     0                      13.0000000   34.00000   162%     -   35s
H    0     0                      14.0000000   34.00000   143%     -   35s
     0     0   34.00000    0  340   14.00000   34.00000   143%     -   35s
     0     0   34.00000    0  338   14.00000   34.00000   143%     -   35s
H    0     0                      15.0000000   34.00000   127%     -   43s
     0     0   34.00000    0  363   15.00000   34.00000   127%     -   43s
     0     0   34.00000    0  382   15.00000   34.00000   127%     -   44s
     0     0   34.00000    0  440   15.00000   34.00000   127%     -   50s

Cutting planes:
  Cover: 33
  Clique: 28
  MIR: 126
  StrongCG: 5
  Zero half: 48
  RLT: 72
  BQP: 3

Explored 1 nodes (45277 simplex iterations) in 50.04 seconds (31.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo1363.29.sol'

