%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : PUZ035-5 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 08:22:09 AM UTC 2026
% Result : Unsatisfiable 10.44s 2.91s
% Output : CNFRefutation 10.44s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 2
% Syntax : Number of clauses : 11 ( 3 unt; 4 nHn; 9 RR)
% Number of literals : 19 ( 0 equ; 7 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 9 ( 7 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(everyone_a_knight_or_knave,axiom,
( truth(isa(X0,knave))
| truth(isa(X0,knight)) ) ).
cnf(query,negated_conjecture,
( ~ truth(isa(other,X1))
| ~ truth(isa(asked,X0)) ) ).
cnf(c0,plain,
( truth(isa(X0,knave))
| truth(isa(X0,knight)) ),
inference(clausification,[status(esa)],[everyone_a_knight_or_knave]) ).
cnf(c8,plain,
( ~ truth(isa(other,X1))
| ~ truth(isa(asked,X0)) ),
inference(clausification,[status(esa)],[query]) ).
cnf(d0,plain,
( truth(isa(other,knight))
| ~ truth(isa(asked,X0)) ),
inference(resolution,[status(thm)],[c8,c0]) ).
cnf(d1,plain,
( truth(isa(asked,knight))
| truth(isa(other,knight)) ),
inference(resolution,[status(thm)],[d0,c0]) ).
cnf(d2,plain,
( ~ truth(isa(asked,X0))
| truth(isa(asked,knight)) ),
inference(resolution,[status(thm)],[d1,c8]) ).
cnf(d3,plain,
( truth(isa(asked,knight))
| truth(isa(asked,knight)) ),
inference(resolution,[status(thm)],[d2,c0]) ).
cnf(d4,plain,
truth(isa(other,knight)),
inference(resolution,[status(thm)],[d3,d0]) ).
cnf(d5,plain,
~ truth(isa(asked,X0)),
inference(resolution,[status(thm)],[d4,c8]) ).
cnf(d6,plain,
$false,
inference(resolution,[status(thm)],[d5,d3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ035-5 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n010.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Sat Sep 26 05:07:15 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 10.44/2.91 % SZS status Unsatisfiable for theBenchmark.p
% 10.44/2.91 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------