instances/lectsched-4-obj.pre.mps.gz [      0.00] Reading input file: instances/lectsched-4-obj.pre.mps.gz...
    instances/lectsched-4-obj.pre.mps.gz [      0.03] Fetched 5185 rows, 8131 cols.
    instances/lectsched-4-obj.pre.mps.gz [      0.03] Solving first relaxation...
    instances/lectsched-4-obj.pre.mps.gz [      0.14] 	 3.000000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      0.14] Reading basis...
    instances/lectsched-4-obj.pre.mps.gz [      0.60] Generating MIR cuts...
    instances/lectsched-4-obj.pre.mps.gz [      0.60] Finding interesting rows...
    instances/lectsched-4-obj.pre.mps.gz [      0.90] 	 1548 rows found
    instances/lectsched-4-obj.pre.mps.gz [      0.90] Starting timer 1...
    instances/lectsched-4-obj.pre.mps.gz [      0.94] 	 3.000000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      0.99] 	 3.000000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      1.06] 	 3.000000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      1.13] 	 3.000000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      1.25] Ending timer 1: 0.35s
    instances/lectsched-4-obj.pre.mps.gz [      1.25] Added 494 violated cuts...
    instances/lectsched-4-obj.pre.mps.gz [      1.27] 	 3.250000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      1.27] Generating wedge cuts...
    instances/lectsched-4-obj.pre.mps.gz [      1.27] Starting timer 2...
    instances/lectsched-4-obj.pre.mps.gz [      2.48] 	 3.250000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      3.14] 	 3.250000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      5.63] 	 3.250000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      5.64] Ending timer 2: 4.37s
    instances/lectsched-4-obj.pre.mps.gz [      5.64] Added 300 violated cuts...
    instances/lectsched-4-obj.pre.mps.gz [      5.66] 	 3.250000 [optimal]					   
    instances/lectsched-4-obj.pre.mps.gz [      5.66] Writting stats: out/lectsched-4-obj.pre.yaml...
    instances/lectsched-4-obj.pre.mps.gz [      5.66] Done.