%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : CSR063+4 : TPTP v9.3.1. Released v3.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n002.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 12:13:19 PM UTC 2026
% Result : Theorem 7.35s 2.96s
% Output : CNFRefutation 7.35s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 4
% Syntax : Number of formulae : 15 ( 7 unt; 0 def)
% Number of atoms : 23 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 22 ( 14 ~; 6 |; 1 &)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-1 aty)
% Number of variables : 13 ( 13 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f4028,axiom,
! [OBJ] :
~ ( individual(OBJ)
& collection(OBJ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f23452,axiom,
individual(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f41385,axiom,
! [INS,ARG2] :
( disjointwith(INS,ARG2)
=> collection(INS) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f44217,conjecture,
~ disjointwith(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf)),c_tptpcol_16_118949),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f44218,negated_conjecture,
~ ~ disjointwith(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf)),c_tptpcol_16_118949),
inference(negated_conjecture,[status(cth)],[f44217]) ).
fof(f49265,plain,
! [OBJ] :
( ~ individual(OBJ)
| ~ collection(OBJ) ),
inference(pre_NNF_transformation,[status(thm)],[f4028]) ).
fof(f49266,plain,
! [X0] :
( ~ individual(X0)
| ~ collection(X0) ),
inference(cnf_transformation,[status(thm)],[f49265]) ).
fof(f73657,plain,
individual(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf))),
inference(cnf_transformation,[status(thm)],[f23452]) ).
fof(f105176,plain,
! [INS,ARG2] :
( collection(INS)
| ~ disjointwith(INS,ARG2) ),
inference(pre_NNF_transformation,[status(thm)],[f41385]) ).
fof(f105177,plain,
! [INS] :
( collection(INS)
| ! [ARG2] : ~ disjointwith(INS,ARG2) ),
inference(miniscoping,[status(thm)],[f105176]) ).
fof(f105178,plain,
! [X0,X1] :
( collection(X0)
| ~ disjointwith(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f105177]) ).
fof(f110738,plain,
disjointwith(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf)),c_tptpcol_16_118949),
inference(cnf_transformation,[status(thm)],[f44218]) ).
fof(f118234,plain,
! [X0,X1] :
( ~ disjointwith(X0,X1)
| ~ individual(X0) ),
inference(resolution,[status(thm)],[f49266,f105178]) ).
fof(f118268,plain,
~ individual(f_urlreferentfn(f_urlfn(s_http_fwsistercitiesorgpdfsmbabanembabane20activity20pages2pdf))),
inference(resolution,[status(thm)],[f118234,f110738]) ).
fof(f118272,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f118268,f73657]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR063+4 : TPTP v9.3.1. Released v3.4.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/1.40 % Computer : n002.cluster.edu
% 0.12/1.40 % Model : x86_64 x86_64
% 0.12/1.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/1.40 % Memory : 8046.5625MB
% 0.12/1.40 % OS : Linux 6.8.0-71-generic
% 0.12/1.41 % CPULimit : 300
% 0.12/1.41 % WCLimit : 300
% 0.12/1.41 % DateTime : Mon Sep 21 14:44:18 UTC 2026
% 0.12/1.41 % CPUTime :
% 0.16/1.83 % Drodi V4.1.1
% 7.35/2.96 % Refutation found
% 7.35/2.96 % SZS status Theorem for theBenchmark: Theorem is valid
% 7.35/2.96 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 1.55/3.06 % Elapsed time: 1.604248 seconds
% 1.55/3.06 % CPU time: 7.461559 seconds
% 1.55/3.06 % Total memory used: 1.879 GB
% 1.55/3.06 % Net memory used: 1.872 GB
%------------------------------------------------------------------------------