%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : GEO191+3 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n020.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 : Thu Sep 24 12:24:24 PM UTC 2026
% Result : Theorem 0.14s 0.67s
% Output : CNFRefutation 0.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 7
% Syntax : Number of formulae : 29 ( 11 unt; 0 def)
% Number of atoms : 71 ( 0 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 66 ( 24 ~; 25 |; 12 &)
% ( 0 <=>; 5 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 4 con; 0-2 aty)
% Number of variables : 63 ( 59 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X] : ~ convergent_lines(X,X),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,axiom,
! [X,Y,Z] :
( convergent_lines(X,Y)
=> ( convergent_lines(Y,Z)
| convergent_lines(X,Z) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [X,Y,Z] :
( apart_point_and_line(X,Y)
=> ( apart_point_and_line(X,Z)
| distinct_lines(Y,Z) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f15,axiom,
! [X,Y] :
( distinct_lines(X,Y)
=> convergent_lines(X,Y) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f16,axiom,
! [X,Y] : ~ convergent_lines(parallel_through_point(Y,X),Y),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f17,axiom,
! [X,Y] : ~ apart_point_and_line(X,parallel_through_point(Y,X)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f36,conjecture,
! [X,Y,U,V] :
( ( ( apart_point_and_line(intersection_point(X,Y),V)
| apart_point_and_line(intersection_point(X,Y),U) )
& convergent_lines(U,V)
& convergent_lines(X,Y) )
=> ( apart_point_and_line(intersection_point(U,V),Y)
| apart_point_and_line(intersection_point(U,V),X) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f37,negated_conjecture,
~ ! [X,Y,U,V] :
( ( ( apart_point_and_line(intersection_point(X,Y),V)
| apart_point_and_line(intersection_point(X,Y),U) )
& convergent_lines(U,V)
& convergent_lines(X,Y) )
=> ( apart_point_and_line(intersection_point(U,V),Y)
| apart_point_and_line(intersection_point(U,V),X) ) ),
inference(negated_conjecture,[status(cth)],[f36]) ).
fof(f40,plain,
! [X0] : ~ convergent_lines(X0,X0),
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f47,plain,
! [X,Y,Z] :
( convergent_lines(Y,Z)
| convergent_lines(X,Z)
| ~ convergent_lines(X,Y) ),
inference(pre_NNF_transformation,[status(thm)],[f6]) ).
fof(f48,plain,
! [X,Y] :
( ! [Z] :
( convergent_lines(Y,Z)
| convergent_lines(X,Z) )
| ~ convergent_lines(X,Y) ),
inference(miniscoping,[status(thm)],[f47]) ).
fof(f49,plain,
! [X0,X1,X2] :
( convergent_lines(X1,X2)
| convergent_lines(X0,X2)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f48]) ).
fof(f63,plain,
! [X,Y,Z] :
( apart_point_and_line(X,Z)
| distinct_lines(Y,Z)
| ~ apart_point_and_line(X,Y) ),
inference(pre_NNF_transformation,[status(thm)],[f13]) ).
fof(f64,plain,
! [X,Y] :
( ! [Z] :
( apart_point_and_line(X,Z)
| distinct_lines(Y,Z) )
| ~ apart_point_and_line(X,Y) ),
inference(miniscoping,[status(thm)],[f63]) ).
fof(f65,plain,
! [X0,X1,X2] :
( apart_point_and_line(X0,X2)
| distinct_lines(X1,X2)
| ~ apart_point_and_line(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f64]) ).
fof(f69,plain,
! [X,Y] :
( convergent_lines(X,Y)
| ~ distinct_lines(X,Y) ),
inference(pre_NNF_transformation,[status(thm)],[f15]) ).
fof(f70,plain,
! [X0,X1] :
( convergent_lines(X0,X1)
| ~ distinct_lines(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f69]) ).
fof(f71,plain,
! [X0,X1] : ~ convergent_lines(parallel_through_point(X0,X1),X0),
inference(cnf_transformation,[status(thm)],[f16]) ).
fof(f72,plain,
! [X0,X1] : ~ apart_point_and_line(X0,parallel_through_point(X1,X0)),
inference(cnf_transformation,[status(thm)],[f17]) ).
fof(f127,plain,
? [X,Y,U,V] :
( ~ apart_point_and_line(intersection_point(U,V),Y)
& ~ apart_point_and_line(intersection_point(U,V),X)
& ( apart_point_and_line(intersection_point(X,Y),V)
| apart_point_and_line(intersection_point(X,Y),U) )
& convergent_lines(U,V)
& convergent_lines(X,Y) ),
inference(pre_NNF_transformation,[status(thm)],[f37]) ).
fof(f128,plain,
( ~ apart_point_and_line(intersection_point(sK2_skl,sK3_skl),sK1_skl)
& ~ apart_point_and_line(intersection_point(sK2_skl,sK3_skl),sK0_skl)
& ( apart_point_and_line(intersection_point(sK0_skl,sK1_skl),sK3_skl)
| apart_point_and_line(intersection_point(sK0_skl,sK1_skl),sK2_skl) )
& convergent_lines(sK2_skl,sK3_skl)
& convergent_lines(sK0_skl,sK1_skl) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl,sK2_skl,sK3_skl]),skolemize(X,sK0_skl),skolemize(Y,sK1_skl),skolemize(U,sK2_skl),skolemize(V,sK3_skl)],[f127]) ).
fof(f131,plain,
( apart_point_and_line(intersection_point(sK0_skl,sK1_skl),sK3_skl)
| apart_point_and_line(intersection_point(sK0_skl,sK1_skl),sK2_skl) ),
inference(cnf_transformation,[status(thm)],[f128]) ).
fof(f144,plain,
! [X0,X1] :
( convergent_lines(X1,X0)
| ~ convergent_lines(X0,X1) ),
inference(resolution,[status(thm)],[f49,f40]) ).
fof(f146,plain,
! [X0,X1] : ~ convergent_lines(X0,parallel_through_point(X0,X1)),
inference(resolution,[status(thm)],[f71,f144]) ).
fof(f184,plain,
! [X0,X1] : ~ distinct_lines(X0,parallel_through_point(X0,X1)),
inference(resolution,[status(thm)],[f70,f146]) ).
fof(f416,plain,
! [X0,X1,X2] :
( apart_point_and_line(X0,parallel_through_point(X1,X2))
| ~ apart_point_and_line(X0,X1) ),
inference(resolution,[status(thm)],[f65,f184]) ).
fof(f442,plain,
! [X0,X1] : ~ apart_point_and_line(X0,X1),
inference(resolution,[status(thm)],[f416,f72]) ).
fof(f443,plain,
apart_point_and_line(intersection_point(sK0_skl,sK1_skl),sK3_skl),
inference(backward_subsumption_resolution,[status(thm)],[f131,f442]) ).
fof(f455,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f443,f442]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO191+3 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.57 % Computer : n020.cluster.edu
% 0.08/0.57 % Model : x86_64 x86_64
% 0.08/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.57 % Memory : 8046.5625MB
% 0.08/0.57 % OS : Linux 6.8.0-71-generic
% 0.08/0.57 % CPULimit : 300
% 0.08/0.57 % WCLimit : 300
% 0.08/0.57 % DateTime : Sun Sep 20 13:17:18 UTC 2026
% 0.08/0.57 % CPUTime :
% 0.14/0.58 % Drodi V4.1.1
% 0.14/0.67 % Refutation found
% 0.14/0.67 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.14/0.67 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.70 % Elapsed time: 0.111305 seconds
% 0.14/0.70 % CPU time: 0.641760 seconds
% 0.14/0.70 % Total memory used: 24.696 MB
% 0.14/0.70 % Net memory used: 23.384 MB
%------------------------------------------------------------------------------