%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : NLP208-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n001.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 08:05:51 AM UTC 2026
% Result : Unsatisfiable 13.08s 2.45s
% Output : CNFRefutation 13.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 11
% Syntax : Number of clauses : 32 ( 16 unt; 0 nHn; 32 RR)
% Number of literals : 48 ( 3 equ; 20 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 11 ( 9 usr; 1 prp; 0-4 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 36 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(clause10,axiom,
( device(X0,X1)
| ~ wheel(X0,X1) ) ).
cnf(clause11,axiom,
( instrumentality(X0,X1)
| ~ device(X0,X1) ) ).
cnf(clause12,axiom,
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ) ).
cnf(clause13,axiom,
( object(X0,X1)
| ~ artifact(X0,X1) ) ).
cnf(clause20,axiom,
( unisex(X0,X1)
| ~ object(X0,X1) ) ).
cnf(clause34,axiom,
( male(X0,X1)
| ~ man(X0,X1) ) ).
cnf(clause60,axiom,
( ~ unisex(X0,X1)
| ~ male(X0,X1) ) ).
cnf(clause67,axiom,
( X2 = X3
| ~ be(X0,X1,X2,X3) ) ).
cnf(clause94,negated_conjecture,
man(skc11,skc15) ).
cnf(clause98,negated_conjecture,
wheel(skc11,skc12) ).
cnf(clause106,negated_conjecture,
be(skc11,skc13,skc15,skc12) ).
cnf(c9,plain,
( device(X0,X1)
| ~ wheel(X0,X1) ),
inference(clausification,[status(esa)],[clause10]) ).
cnf(c10,plain,
( instrumentality(X0,X1)
| ~ device(X0,X1) ),
inference(clausification,[status(esa)],[clause11]) ).
cnf(c11,plain,
( artifact(X0,X1)
| ~ instrumentality(X0,X1) ),
inference(clausification,[status(esa)],[clause12]) ).
cnf(c12,plain,
( object(X0,X1)
| ~ artifact(X0,X1) ),
inference(clausification,[status(esa)],[clause13]) ).
cnf(c19,plain,
( unisex(X0,X1)
| ~ object(X0,X1) ),
inference(clausification,[status(esa)],[clause20]) ).
cnf(c33,plain,
( male(X0,X1)
| ~ man(X0,X1) ),
inference(clausification,[status(esa)],[clause34]) ).
cnf(c59,plain,
( ~ unisex(X0,X1)
| ~ male(X0,X1) ),
inference(clausification,[status(esa)],[clause60]) ).
cnf(c66,plain,
( X2 = X3
| ~ be(X0,X1,X2,X3) ),
inference(clausification,[status(esa)],[clause67]) ).
cnf(c93,plain,
man(skc11,skc15),
inference(clausification,[status(esa)],[clause94]) ).
cnf(c97,plain,
wheel(skc11,skc12),
inference(clausification,[status(esa)],[clause98]) ).
cnf(c105,plain,
be(skc11,skc13,skc15,skc12),
inference(clausification,[status(esa)],[clause106]) ).
cnf(d0,plain,
skc15 = skc12,
inference(resolution,[status(thm)],[c105,c66]) ).
cnf(d1,plain,
male(skc11,skc15),
inference(resolution,[status(thm)],[c33,c93]) ).
cnf(d2,plain,
~ unisex(skc11,skc15),
inference(resolution,[status(thm)],[c59,d1]) ).
cnf(d3,plain,
~ unisex(skc11,skc12),
inference(demodulation,[status(thm)],[d2,d0]) ).
cnf(d4,plain,
device(skc11,skc12),
inference(resolution,[status(thm)],[c97,c9]) ).
cnf(d5,plain,
instrumentality(skc11,skc12),
inference(resolution,[status(thm)],[d4,c10]) ).
cnf(d6,plain,
artifact(skc11,skc12),
inference(resolution,[status(thm)],[d5,c11]) ).
cnf(d7,plain,
object(skc11,skc12),
inference(resolution,[status(thm)],[d6,c12]) ).
cnf(d8,plain,
unisex(skc11,skc12),
inference(resolution,[status(thm)],[d7,c19]) ).
cnf(d9,plain,
$false,
inference(resolution,[status(thm)],[d8,d3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP208-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.37 % Computer : n001.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sat Sep 26 01:31:57 UTC 2026
% 0.10/0.38 % CPUTime :
% 0.10/0.38 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 13.08/2.45 % SZS status Unsatisfiable for theBenchmark.p
% 13.08/2.45 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------