%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWB002+4 : TPTP v9.3.1. Released v5.2.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.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 02:37:00 PM UTC 2026
% Result : Theorem 0.09s 0.40s
% Output : CNFRefutation 0.09s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 10 ( 4 unt; 0 def)
% Number of atoms : 16 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 12 ( 6 ~; 2 |; 4 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 9 ( 4 !; 5 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f81,conjecture,
? [BNODE_x,BNODE_y] :
( iext(uri_ex_q,BNODE_y,BNODE_x)
& iext(uri_ex_p,BNODE_x,BNODE_y) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f82,negated_conjecture,
~ ? [BNODE_x,BNODE_y] :
( iext(uri_ex_q,BNODE_y,BNODE_x)
& iext(uri_ex_p,BNODE_x,BNODE_y) ),
inference(negated_conjecture,[status(cth)],[f81]) ).
fof(f83,axiom,
? [BNODE_o] :
( iext(uri_ex_q,BNODE_o,uri_ex_s)
& iext(uri_ex_p,uri_ex_s,BNODE_o) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f201,plain,
! [BNODE_x,BNODE_y] :
( ~ iext(uri_ex_q,BNODE_y,BNODE_x)
| ~ iext(uri_ex_p,BNODE_x,BNODE_y) ),
inference(pre_NNF_transformation,[status(thm)],[f82]) ).
fof(f202,plain,
! [X0,X1] :
( ~ iext(uri_ex_q,X1,X0)
| ~ iext(uri_ex_p,X0,X1) ),
inference(cnf_transformation,[status(thm)],[f201]) ).
fof(f203,plain,
( iext(uri_ex_q,sK0_skl,uri_ex_s)
& iext(uri_ex_p,uri_ex_s,sK0_skl) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(BNODE_o,sK0_skl)],[f83]) ).
fof(f204,plain,
iext(uri_ex_p,uri_ex_s,sK0_skl),
inference(cnf_transformation,[status(thm)],[f203]) ).
fof(f205,plain,
iext(uri_ex_q,sK0_skl,uri_ex_s),
inference(cnf_transformation,[status(thm)],[f203]) ).
fof(f206,plain,
~ iext(uri_ex_p,uri_ex_s,sK0_skl),
inference(resolution,[status(thm)],[f205,f202]) ).
fof(f207,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f206,f204]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWB002+4 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.37 % Computer : n010.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Mon Sep 21 07:36:57 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.38 % Drodi V4.1.1
% 0.09/0.40 % Refutation found
% 0.09/0.40 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.09/0.40 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.09/0.42 % Elapsed time: 0.046591 seconds
% 0.09/0.42 % CPU time: 0.136347 seconds
% 0.09/0.42 % Total memory used: 52.640 MB
% 0.09/0.42 % Net memory used: 52.604 MB
%------------------------------------------------------------------------------