diff options
Diffstat (limited to 'integer_sum_from_neighbours/generate-neighborsum.py')
-rwxr-xr-x | integer_sum_from_neighbours/generate-neighborsum.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/integer_sum_from_neighbours/generate-neighborsum.py b/integer_sum_from_neighbours/generate-neighborsum.py index 7e06e02..14a8d23 100755 --- a/integer_sum_from_neighbours/generate-neighborsum.py +++ b/integer_sum_from_neighbours/generate-neighborsum.py @@ -1,9 +1,14 @@ #!/usr/bin/env python +# Usage for 4a (where 7 is the number of steps to run): +# $0 7 | z3 -smt -in +# Usage for 4b: +# $0 7 b | z3 -smt -in import sys # i = 1..8 n = 8 steps = int(sys.argv[1]) +is_b = len(sys.argv) >= 3 and sys.argv[2] == 'b' literals = [] preds = [] @@ -26,8 +31,12 @@ for i in range(1, n + 1): preds += ["(= a{i}_0 {i})".format(i=i)] # Goal: have a_3 = a_7 in any step: +if not is_b: + goal = "(= a3_{i} a7_{i})" +else: + goal = "(and (= a3_{i} a5_{i}) (= a5_{i} a7_{i}))" preds += [ - "(or %s)" % " ".join("(= a3_{i} a7_{i})".format(i=i) + "(or %s)" % " ".join(goal.format(i=i) for i in range(steps + 1)) ] |