%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SET836-2 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n012.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 08:33:21 AM UTC 2026
% Result : Unsatisfiable 12.84s 2.02s
% Output : CNFRefutation 12.84s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of clauses : 11 ( 8 unt; 0 nHn; 11 RR)
% Number of literals : 16 ( 0 equ; 7 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-1 aty)
% Number of variables : 9 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(cls_Set_OsubsetD_0,axiom,
( 'c$uin'(X0,X3,X2)
| ~ 'c$ulessequals'(X1,X3,'tc$uset'(X2))
| ~ 'c$uin'(X0,X1,X2) ) ).
cnf(cls_conjecture_1,negated_conjecture,
'c$ulessequals'('v$uZ','v$uX','tc$uset'('t$ua')) ).
cnf(cls_conjecture_2,negated_conjecture,
'c$uin'('v$ux','v$uZ','t$ua') ).
cnf(cls_conjecture_3,negated_conjecture,
~ 'c$uin'('v$ux','v$uX','t$ua') ).
cnf(c0,plain,
( 'c$uin'(X0,X3,X2)
| ~ 'c$ulessequals'(X1,X3,'tc$uset'(X2))
| ~ 'c$uin'(X0,X1,X2) ),
inference(clausification,[status(esa)],[cls_Set_OsubsetD_0]) ).
cnf(c1,plain,
'c$ulessequals'('v$uZ','v$uX','tc$uset'('t$ua')),
inference(clausification,[status(esa)],[cls_conjecture_1]) ).
cnf(c2,plain,
'c$uin'('v$ux','v$uZ','t$ua'),
inference(clausification,[status(esa)],[cls_conjecture_2]) ).
cnf(c3,plain,
~ 'c$uin'('v$ux','v$uX','t$ua'),
inference(clausification,[status(esa)],[cls_conjecture_3]) ).
cnf(d0,plain,
( ~ 'c$uin'(X0,'v$uZ','t$ua')
| 'c$uin'(X0,'v$uX','t$ua') ),
inference(resolution,[status(thm)],[c1,c0]) ).
cnf(d1,plain,
'c$uin'('v$ux','v$uX','t$ua'),
inference(resolution,[status(thm)],[d0,c2]) ).
cnf(d2,plain,
$false,
inference(resolution,[status(thm)],[c3,d1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET836-2 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.03 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.33 % Computer : n012.cluster.edu
% 0.07/0.33 % Model : x86_64 x86_64
% 0.07/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.33 % Memory : 8046.5625MB
% 0.07/0.33 % OS : Linux 6.8.0-71-generic
% 0.07/0.33 % CPULimit : 300
% 0.07/0.33 % WCLimit : 300
% 0.07/0.33 % DateTime : Sat Sep 26 08:19:50 UTC 2026
% 0.07/0.33 % CPUTime :
% 0.07/0.33 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 12.84/2.02 % SZS status Unsatisfiable for theBenchmark.p
% 12.84/2.02 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------