%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : FLD060-4 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n008.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 07:10:57 AM UTC 2026
% Result : Unsatisfiable 57.23s 14.71s
% Output : CNFRefutation 57.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 10
% Syntax : Number of clauses : 33 ( 14 unt; 0 nHn; 33 RR)
% Number of literals : 77 ( 0 equ; 46 neg)
% Maximal clause size : 5 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 40 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(a_is_defined,hypothesis,
defined(a) ).
cnf(b_is_defined,hypothesis,
defined(b) ).
cnf(less_or_equal_5,negated_conjecture,
'less$uor$uequal'(a,b) ).
cnf(sum_6,negated_conjecture,
sum(a,a,u) ).
cnf(sum_7,negated_conjecture,
sum(b,b,v) ).
cnf(not_less_or_equal_8,negated_conjecture,
~ 'less$uor$uequal'(u,v) ).
cnf(commutativity_addition,axiom,
( ~ sum(X1,X0,X2)
| sum(X0,X1,X2) ) ).
cnf(totality_of_addition,axiom,
( ~ defined(X1)
| ~ defined(X0)
| sum(X0,X1,add(X0,X1)) ) ).
cnf(transitivity_of_order_relation,axiom,
( ~ 'less$uor$uequal'(X2,X1)
| ~ 'less$uor$uequal'(X0,X2)
| 'less$uor$uequal'(X0,X1) ) ).
cnf(compatibility_of_order_relation_and_addition,axiom,
( ~ sum(X3,X4,X1)
| ~ sum(X2,X4,X0)
| ~ 'less$uor$uequal'(X2,X3)
| 'less$uor$uequal'(X0,X1) ) ).
cnf(c0,plain,
defined(a),
inference(clausification,[status(esa)],[a_is_defined]) ).
cnf(c1,plain,
defined(b),
inference(clausification,[status(esa)],[b_is_defined]) ).
cnf(c4,plain,
'less$uor$uequal'(a,b),
inference(clausification,[status(esa)],[less_or_equal_5]) ).
cnf(c5,plain,
sum(a,a,u),
inference(clausification,[status(esa)],[sum_6]) ).
cnf(c6,plain,
sum(b,b,v),
inference(clausification,[status(esa)],[sum_7]) ).
cnf(c7,plain,
~ 'less$uor$uequal'(u,v),
inference(clausification,[status(esa)],[not_less_or_equal_8]) ).
cnf(c12,plain,
( ~ sum(X1,X0,X2)
| sum(X0,X1,X2) ),
inference(clausification,[status(esa)],[commutativity_addition]) ).
cnf(c26,plain,
( ~ defined(X1)
| sum(X0,X1,add(X0,X1))
| ~ defined(X0) ),
inference(clausification,[status(esa)],[totality_of_addition]) ).
cnf(c29,plain,
( ~ 'less$uor$uequal'(X1,X2)
| 'less$uor$uequal'(X0,X2)
| ~ 'less$uor$uequal'(X0,X1) ),
inference(clausification,[status(esa)],[transitivity_of_order_relation]) ).
cnf(c31,plain,
( ~ sum(X4,X1,X3)
| ~ 'less$uor$uequal'(X0,X4)
| 'less$uor$uequal'(X2,X3)
| ~ sum(X0,X1,X2) ),
inference(clausification,[status(esa)],[compatibility_of_order_relation_and_addition]) ).
cnf(d0,plain,
( sum(X1,X0,add(X0,X1))
| ~ defined(X1)
| ~ defined(X0) ),
inference(resolution,[status(thm)],[c26,c12]) ).
cnf(d1,plain,
( ~ sum(X3,X1,X2)
| ~ 'less$uor$uequal'(X0,X3)
| 'less$uor$uequal'(add(X1,X0),X2)
| ~ defined(X1)
| ~ defined(X0) ),
inference(resolution,[status(thm)],[d0,c31]) ).
cnf(d2,plain,
( 'less$uor$uequal'(add(b,X0),v)
| ~ 'less$uor$uequal'(X0,b)
| ~ defined(X0)
| ~ defined(b) ),
inference(resolution,[status(thm)],[d1,c6]) ).
cnf(d3,plain,
( 'less$uor$uequal'(add(b,X0),v)
| ~ 'less$uor$uequal'(X0,b)
| ~ defined(X0) ),
inference(resolution,[status(thm)],[c1,d2]) ).
cnf(d4,plain,
( ~ sum(X1,a,X0)
| ~ 'less$uor$uequal'(a,X1)
| 'less$uor$uequal'(u,X0) ),
inference(resolution,[status(thm)],[c31,c5]) ).
cnf(d5,plain,
( ~ defined(a)
| ~ defined(X0)
| 'less$uor$uequal'(u,add(X0,a))
| ~ 'less$uor$uequal'(a,X0) ),
inference(resolution,[status(thm)],[d4,c26]) ).
cnf(d6,plain,
( 'less$uor$uequal'(u,add(X0,a))
| ~ 'less$uor$uequal'(a,X0)
| ~ defined(X0) ),
inference(resolution,[status(thm)],[c0,d5]) ).
cnf(d7,plain,
( 'less$uor$uequal'(u,X1)
| ~ 'less$uor$uequal'(add(X0,a),X1)
| ~ 'less$uor$uequal'(a,X0)
| ~ defined(X0) ),
inference(resolution,[status(thm)],[d6,c29]) ).
cnf(d8,plain,
( ~ 'less$uor$uequal'(a,b)
| ~ defined(a)
| 'less$uor$uequal'(u,v)
| ~ 'less$uor$uequal'(a,b)
| ~ defined(b) ),
inference(resolution,[status(thm)],[d7,d3]) ).
cnf(d9,plain,
( 'less$uor$uequal'(u,v)
| ~ 'less$uor$uequal'(a,b)
| ~ defined(b) ),
inference(resolution,[status(thm)],[c0,d8]) ).
cnf(d10,plain,
( 'less$uor$uequal'(u,v)
| ~ 'less$uor$uequal'(a,b) ),
inference(resolution,[status(thm)],[c1,d9]) ).
cnf(d11,plain,
'less$uor$uequal'(u,v),
inference(resolution,[status(thm)],[c4,d10]) ).
cnf(d12,plain,
$false,
inference(resolution,[status(thm)],[c7,d11]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : FLD060-4 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.06 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.65 % Computer : n008.cluster.edu
% 0.18/0.65 % Model : x86_64 x86_64
% 0.18/0.65 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.18/0.65 % Memory : 8046.5625MB
% 0.18/0.65 % OS : Linux 6.8.0-71-generic
% 0.18/0.65 % CPULimit : 300
% 0.18/0.65 % WCLimit : 300
% 0.18/0.65 % DateTime : Sun Sep 27 02:33:24 UTC 2026
% 0.21/0.65 % CPUTime :
% 0.21/0.65 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 57.23/14.71 % SZS status Unsatisfiable for theBenchmark.p
% 57.23/14.71 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------