Options:

Arrive Late Bonus: 310
Leave Early Bonus: 320
Day Off Bonus: 500
No Break Penalty: {0: 660, 60: 0, 240: 0, 300: 200, 330: 400, 360: 800, 420: 1600, 480: 3200, 540: 6400, 600: 12800, 660: 25600}
Pupil Preference Penalties: 100,201,403,807
Instructor Preference Penalties: 305,620,1290,2600
Complex Constraints:

Scheduler Output:

Solving with a time limit of 60 seconds of not improving the solution or a total time limit of 600 seconds
* #variable= 36 #constraint= 16 #product= 43 sizeproduct= 8
Penalty -285000 for term "day off" (-285000 + 0)
Penalty 18300 for term "instructor preference" (18300 + 0)
Penalty -67200 for term "leave early" (-67200 + 0)
Penalty 0 for term "pupil preference" (0 + 0)
Penalty -18600 for term "arrive late" (-18600 + 0)
Penalty 9900 for term "no break" (0 + 9900)
Total Penalty -342600 for term "no break" (-352500 + 9900)

Optimizer Output:

c clasp version 3.1.0
c Reading from /tmp/tmpqcqbecrd
c Solving...
o -328650
o -347850
o -350850
o -352500
c Answer: 4
v -x1 -x2 -x3 -x4 -x5 -x6 -x7 x8 x9 x10 x11 x12 x13 x14 x15 -x16 -x17 -x18
v -x19 -x20 -x21 -x22 -x23 x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33
v -x34 -x35 x36
s OPTIMUM FOUND
c
c Models : 4
c Optimum : yes
c Optimization : -352500
c Calls : 1
c Time : 0.003s (Solving: 0.00s 1st Model: 0.00s Unsat: 0.00s)
c CPU Time : 0.000s
c Threads : 8 (Winner: 6)

Solver Run Detail

Schedule