instance_id,tier,n_drones,n_missions,n_binary_vars_approx,exact_z,exact_time_s,exact_mip_gap,exact_assignments,alns_z_best,alns_z_mean,alns_z_std,alns_z_ci_lo,alns_z_ci_hi,alns_n_runs,delta_z,pct_improvement,winner
1,S,7,8,560,0.636337,0.008,0.0,5,0.636729,0.63665,0.000256,0.636553,0.636748,30,0.000392,0.0617,ALNS
2,S,5,8,400,0.528247,0.0037,0.0,4,0.551634,0.551619,1.9e-05,0.551612,0.551626,30,0.023387,4.4272,ALNS
3,S,6,7,420,0.568511,0.0115,0.0,3,0.571736,0.571709,3.3e-05,0.571696,0.571722,30,0.003225,0.5672,ALNS
4,S,6,5,300,0.57883,0.0027,0.0,3,0.57883,0.578807,2.6e-05,0.578797,0.578817,30,0.0,0.0,Tie
5,MS,11,9,1430,0.683544,0.0094,0.0,9,0.684166,0.684153,1.2e-05,0.684148,0.684157,30,0.000622,0.091,ALNS
6,MS,10,10,1170,0.638061,0.0075,0.0,6,0.638061,0.638053,1.2e-05,0.638048,0.638057,30,0.0,0.0,Tie
7,MS,12,12,1872,0.591681,0.0084,0.0,9,0.611114,0.610941,0.000491,0.610754,0.611127,30,0.019433,3.2844,ALNS
8,MS,10,9,1404,0.739869,0.0074,0.0,9,0.742733,0.742437,0.000853,0.742113,0.742761,30,0.002864,0.3871,ALNS
9,M,17,15,4608,0.688225,0.0379,0.0,15,0.688245,0.686684,0.001295,0.686192,0.687176,30,2e-05,0.0029,ALNS
10,M,16,11,3808,0.706576,0.0162,0.0,11,0.711554,0.711542,1.3e-05,0.711537,0.711547,30,0.004978,0.7046,ALNS
11,M,16,14,3808,0.728289,0.021,0.0,14,0.731223,0.731143,0.000152,0.731085,0.7312,30,0.002934,0.4028,ALNS
12,M,18,15,4896,0.675467,0.0245,0.0,15,0.682879,0.679981,0.001976,0.679231,0.680732,30,0.007412,1.0973,ALNS
13,L,28,25,17052,0.677265,0.0943,0.0,25,0.68494,0.680808,0.001876,0.680095,0.68152,30,0.007674,1.1331,ALNS
14,L,30,26,16464,0.693119,0.1209,0.0,26,0.695713,0.693011,0.001163,0.692569,0.693452,30,0.002594,0.3742,ALNS
15,L,26,25,15309,0.704016,0.1057,0.0,25,0.706034,0.702666,0.00207,0.701879,0.703452,30,0.002018,0.2867,ALNS
16,L,25,23,13650,0.697856,0.0675,0.0,23,0.697011,0.694536,0.001149,0.694099,0.694972,30,-0.000845,-0.1211,Exact
17,XL,45,37,50468,0.746958,0.3533,0.0,37,0.745796,0.744487,0.000585,0.744265,0.744709,30,-0.001163,-0.1556,Exact
18,XL,50,42,59682,0.687756,0.518,0.0,42,0.680356,0.678247,0.000624,0.67801,0.678484,30,-0.0074,-1.076,Exact
19,XL,43,35,46655,0.738882,0.2213,0.0,35,0.738086,0.736341,0.000987,0.735966,0.736716,30,-0.000796,-0.1077,Exact
20,XL,46,38,58466,0.715589,0.2409,0.0,38,0.710708,0.708939,0.000546,0.708732,0.709146,30,-0.004881,-0.6821,Exact