%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : GEO268+3 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n017.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 07:15:02 AM UTC 2026
% Result : Theorem 13.16s 2.30s
% Output : CNFRefutation 13.16s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 6
% Syntax : Number of formulae : 30 ( 7 unt; 0 def)
% Number of atoms : 63 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 57 ( 24 ~; 26 |; 2 &)
% ( 4 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 38 ( 2 sgn 14 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(a1_defns,axiom,
! [X0,X1] :
( 'unequally$udirected$uopposite$ulines'(X0,X1)
<=> 'unequally$udirected$ulines'(X0,'reverse$uline'(X1)) ) ).
fof(a7_defns,axiom,
! [X0,X1] :
( 'convergent$ulines'(X0,X1)
<=> ( 'unequally$udirected$uopposite$ulines'(X0,X1)
& 'unequally$udirected$ulines'(X0,X1) ) ) ).
fof(ax8_basics,axiom,
! [X0,X1] :
( 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| 'unequally$udirected$ulines'(X0,X1) ) ).
fof(ax9_basics,axiom,
! [X0,X1] :
( ( 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
& 'unequally$udirected$ulines'(X0,X1) )
=> ( 'left$uconvergent$ulines'(X0,'reverse$uline'(X1))
| 'left$uconvergent$ulines'(X0,X1) ) ) ).
fof(ax11_basics,axiom,
! [X0,X1] :
~ ( 'left$uconvergent$ulines'(X0,'reverse$uline'(X1))
| 'left$uconvergent$ulines'(X0,X1) ) ).
fof(con,conjecture,
! [X0,X1] :
( 'unequally$udirected$ulines'(X0,X1)
<=> 'unequally$udirected$uopposite$ulines'(X0,'reverse$uline'(X1)) ) ).
fof(negated_conjecture,negated_conjecture,
~ ! [X0,X1] :
( 'unequally$udirected$ulines'(X0,X1)
<=> 'unequally$udirected$uopposite$ulines'(X0,'reverse$uline'(X1)) ),
inference(negate_conjecture,[status(cth)],[con]) ).
cnf(c0,plain,
( 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$uopposite$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[a1_defns]) ).
cnf(c1,plain,
( ~ 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| 'unequally$udirected$uopposite$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[a1_defns]) ).
cnf(c13,plain,
( 'unequally$udirected$ulines'(X0,X1)
| ~ 'convergent$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[a7_defns]) ).
cnf(c15,plain,
( ~ 'unequally$udirected$uopposite$ulines'(X0,X1)
| ~ 'unequally$udirected$ulines'(X0,X1)
| 'convergent$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[a7_defns]) ).
cnf(c49,plain,
( 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| 'unequally$udirected$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[ax8_basics]) ).
cnf(c50,plain,
( 'left$uconvergent$ulines'(X0,'reverse$uline'(X1))
| 'left$uconvergent$ulines'(X0,X1)
| ~ 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$ulines'(X0,X1) ),
inference(clausification,[status(esa)],[ax9_basics]) ).
cnf(c53,plain,
~ 'left$uconvergent$ulines'(X0,X1),
inference(clausification,[status(esa)],[ax11_basics]) ).
cnf(c73,plain,
( 'unequally$udirected$uopposite$ulines'(sK84,'reverse$uline'(sK85))
| 'unequally$udirected$ulines'(sK84,sK85) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(c74,plain,
( ~ 'unequally$udirected$ulines'(sK84,sK85)
| ~ 'unequally$udirected$uopposite$ulines'(sK84,'reverse$uline'(sK85)) ),
inference(clausification,[status(esa)],[negated_conjecture]) ).
cnf(d0,plain,
( 'unequally$udirected$uopposite$ulines'(X0,X1)
| 'unequally$udirected$ulines'(X0,X1) ),
inference(resolution,[status(thm)],[c49,c1]) ).
cnf(d1,plain,
( ~ 'unequally$udirected$ulines'(sK84,sK85)
| 'unequally$udirected$ulines'(sK84,'reverse$uline'(sK85)) ),
inference(resolution,[status(thm)],[d0,c74]) ).
cnf(d2,plain,
( 'left$uconvergent$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$ulines'(X0,X1) ),
inference(resolution,[status(thm)],[c53,c50]) ).
cnf(d3,plain,
( ~ 'unequally$udirected$ulines'(sK84,sK85)
| 'left$uconvergent$ulines'(sK84,'reverse$uline'(sK85))
| ~ 'unequally$udirected$ulines'(sK84,sK85) ),
inference(resolution,[status(thm)],[d2,d1]) ).
cnf(d4,plain,
~ 'unequally$udirected$ulines'(sK84,sK85),
inference(resolution,[status(thm)],[c53,d3]) ).
cnf(d5,plain,
'unequally$udirected$uopposite$ulines'(sK84,'reverse$uline'(sK85)),
inference(resolution,[status(thm)],[d4,c73]) ).
cnf(d6,plain,
( 'convergent$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$uopposite$ulines'(X0,'reverse$uline'(X1))
| 'unequally$udirected$ulines'(X0,X1) ),
inference(resolution,[status(thm)],[c49,c15]) ).
cnf(d7,plain,
( 'convergent$ulines'(sK84,'reverse$uline'(sK85))
| 'unequally$udirected$ulines'(sK84,sK85) ),
inference(resolution,[status(thm)],[d6,d5]) ).
cnf(d8,plain,
'convergent$ulines'(sK84,'reverse$uline'(sK85)),
inference(resolution,[status(thm)],[d4,d7]) ).
cnf(d9,plain,
'unequally$udirected$ulines'(sK84,'reverse$uline'(sK85)),
inference(resolution,[status(thm)],[d8,c13]) ).
cnf(d10,plain,
( ~ 'unequally$udirected$uopposite$ulines'(X0,X1)
| 'left$uconvergent$ulines'(X0,'reverse$uline'(X1))
| ~ 'unequally$udirected$ulines'(X0,X1) ),
inference(resolution,[status(thm)],[d2,c0]) ).
cnf(d11,plain,
( ~ 'unequally$udirected$ulines'(X0,X1)
| ~ 'unequally$udirected$uopposite$ulines'(X0,X1) ),
inference(resolution,[status(thm)],[c53,d10]) ).
cnf(d12,plain,
~ 'unequally$udirected$uopposite$ulines'(sK84,'reverse$uline'(sK85)),
inference(resolution,[status(thm)],[d11,d9]) ).
cnf(d13,plain,
$false,
inference(resolution,[status(thm)],[d5,d12]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO268+3 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.56 % Computer : n017.cluster.edu
% 0.10/0.56 % Model : x86_64 x86_64
% 0.10/0.56 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.56 % Memory : 8046.5625MB
% 0.10/0.56 % OS : Linux 6.8.0-71-generic
% 0.10/0.56 % CPULimit : 300
% 0.10/0.56 % WCLimit : 300
% 0.10/0.56 % DateTime : Fri Sep 25 13:07:17 UTC 2026
% 0.14/0.56 % CPUTime :
% 0.14/0.56 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 13.16/2.30 % SZS status Theorem for theBenchmark.p
% 13.16/2.30 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------