%------------------------------------------------------------------------------
% File : DT2H2X---1.9.5
% Problem : SYO184^5 : TPTP v9.2.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n016.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Wed Feb 25 09:53:36 AM UTC 2026
% Result : Theorem 1.51s 1.26s
% Output : Refutation 1.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 1
% Syntax : Number of formulae : 7 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 7 ( 3 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 5 ( 5 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of FOOLs : 9 ( 3 fml; 6 var)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 3 ( 0 usr; 2 prp; 0-2 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 8 ( 2 !; 6 ?; 8 :)
% Comments :
%------------------------------------------------------------------------------
tff(f8,plain,
$false,
inference(equality_resolution,[status(thm)],[f7]) ).
tff(f7,plain,
! [X0: $o] : ( $true != (X0) ),
inference(cnf_transformation,[status(thm)],[f6]) ).
tff(f6,plain,
! [X0: $o] : ( $true != (X0) ),
inference(ennf_transformation,[status(thm)],[f5]) ).
tff(f5,plain,
~ ? [X0: $o] : ( $true = (X0) ),
inference(fool_elimination,[status(thm)],[f4]) ).
tff(f4,plain,
~ ? [X0: $o] : (X0),
inference(rectify,[status(thm)],[f2]) ).
tff(f2,negated_conjecture,
~ ? [X0: $o,X1: $o] : (X0),
inference(negated_conjecture,[status(cth)],[f1]) ).
tff(f1,conjecture,
? [X0: $o,X1: $o] : (X0),
file('/export/starexec/sandbox2/tmp/tmp.BzgymmjTd5/DTF2THF_3334.p',cCT9) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SYO184^5 : TPTP v9.2.1. Released v4.0.0.
% 0.12/0.13 % Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.16/0.33 % Computer : n016.cluster.edu
% 0.16/0.33 % Model : x86_64 x86_64
% 0.16/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33 % Memory : 8042.1875MB
% 0.16/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33 % CPULimit : 300
% 0.16/0.33 % WCLimit : 300
% 0.16/0.33 % DateTime : Tue Feb 24 14:26:06 EST 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.34 Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.20/0.45 ---- Original DTF file ---
% 0.20/0.45 thf(spec,logic,$$dhol).
% 0.20/0.45 %------------------------------------------------------------------------------
% 0.20/0.45 % File : SYO184^5 : TPTP v9.2.1. Released v4.0.0.
% 0.20/0.45 % Domain : Syntactic
% 0.20/0.45 % Problem : TPS problem CT9
% 0.20/0.45 % Version : Especial.
% 0.20/0.45 % English :
% 0.20/0.45
% 0.20/0.45 % Refs : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.20/0.45 % Source : [Bro09]
% 0.20/0.45 % Names : tps_0005 [Bro09]
% 0.20/0.45 % : CT9 [TPS]
% 0.20/0.45 % : CT616 [TPS]
% 0.20/0.45
% 0.20/0.45 % Status : Theorem
% 0.20/0.45 % Rating : 0.00 v6.2.0, 0.17 v6.0.0, 0.00 v4.0.0
% 0.20/0.45 % Syntax : Number of formulae : 1 ( 0 unt; 0 typ; 0 def)
% 0.20/0.45 % Number of atoms : 0 ( 0 equ; 0 cnn)
% 0.20/0.45 % Maximal formula atoms : 0 ( 0 avg)
% 0.20/0.45 % Number of connectives : 0 ( 0 ~; 0 |; 0 &; 0 @)
% 0.20/0.45 % ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% 0.20/0.45 % Maximal formula depth : 3 ( 3 avg)
% 0.20/0.45 % Number of types : 1 ( 0 usr)
% 0.20/0.45 % Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% 0.20/0.45 % Number of symbols : 0 ( 0 usr; 0 con; --- aty)
% 0.20/0.46 % Number of variables : 2 ( 0 ^; 0 !; 2 ?; 2 :)
% 0.20/0.46 % SPC : TH0_THM_NEQ_NAR
% 0.20/0.46
% 0.20/0.46 % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.20/0.46 % project in the Department of Mathematical Sciences at Carnegie
% 0.20/0.46 % Mellon University. Distributed under the Creative Commons copyleft
% 0.20/0.46 % license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.20/0.46 %------------------------------------------------------------------------------
% 0.20/0.46 thf(cCT9,conjecture,
% 0.20/0.46 ? [Xx: $o,Xy: $o] : Xx ).
% 0.20/0.46
% 0.20/0.46 %------------------------------------------------------------------------------
% 0.20/0.46 ------------------------
% 1.51/1.23 ---- Embedded in THF ---
% 1.51/1.23 %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.51/1.23 %%% Generated on Tue Feb 24 14:26:07 EST 2026
% 1.51/1.23 %%% using '$$dhol' embedding, version 1.3.0.
% 1.51/1.23 %%% Logic specification used:
% 1.51/1.23 %%% thf(spec, logic, $$dhol).
% 1.51/1.23
% 1.51/1.23 % SZS output start ListOfTHF for /export/starexec/sandbox2/tmp/tmp.BzgymmjTd5/DTF2DTF3334.p
% See solution above
% 1.51/1.23 ------------------------
% 1.51/1.24 ---- Cleaned THF ---
% 1.51/1.24 thf(cCT9,conjecture,
% 1.51/1.24 ? [Xx: $o,Xy: $o] : Xx ).
% 1.51/1.24 ------------------------
% 1.51/1.25 % (3473)lrs+10_1:1_c=on:cnfonf=conj_eager:fd=off:fe=off:kws=frequency:spb=intro:i=4:si=on:rtra=on_0 on DTF2THF_3334 for (3000ds/4Mi)
% 1.51/1.25 % (3473)First to succeed.
% 1.51/1.26 % (3478)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_3334 for (3000ds/18Mi)
% 1.51/1.26 % (3472)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_3334 for (3000ds/183Mi)
% 1.51/1.26 % (3478)Also succeeded, but the first one will report.
% 1.51/1.26 % (3472)Also succeeded, but the first one will report.
% 1.51/1.26 % (3473)Refutation found. Thanks to Tanya!
% 1.51/1.26 % SZS status Theorem for DTF2THF_3334
% 1.51/1.26 % SZS output start Proof for DTF2THF_3334
% 1.51/1.26 tff(f8,plain,(
% 1.51/1.26 $false),
% 1.51/1.26 inference(equality_resolution,[status(thm)],[f7])).
% 1.51/1.26 tff(f7,plain,(
% 1.51/1.26 ( ! [X0 : $o] : (($true != X0)) )),
% 1.51/1.26 inference(cnf_transformation,[status(thm)],[f6])).
% 1.51/1.26 tff(f6,plain,(
% 1.51/1.26 ! [X0 : $o] : ($true != X0)),
% 1.51/1.26 inference(ennf_transformation,[status(thm)],[f5])).
% 1.51/1.26 tff(f5,plain,(
% 1.51/1.26 ~? [X0 : $o] : ($true = X0)),
% 1.51/1.26 inference(fool_elimination,[status(thm)],[f4])).
% 1.51/1.26 tff(f4,plain,(
% 1.51/1.26 ~? [X0 : $o] : X0),
% 1.51/1.26 inference(rectify,[status(thm)],[f2])).
% 1.51/1.26 tff(f2,negated_conjecture,(
% 1.51/1.26 ~? [X0 : $o,X1 : $o] : X0),
% 1.51/1.26 inference(negated_conjecture,[status(cth)],[f1])).
% 1.51/1.26 tff(f1,conjecture,(
% 1.51/1.26 ? [X0 : $o,X1 : $o] : X0),
% 1.51/1.26 file('/export/starexec/sandbox2/tmp/tmp.BzgymmjTd5/DTF2THF_3334.p',cCT9)).
% 1.51/1.26 % SZS output end Proof for DTF2THF_3334
% 1.51/1.26 % (3473)------------------------------
% 1.51/1.26 % (3473)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.51/1.26 % (3473)Termination reason: Refutation
% 1.51/1.26
% 1.51/1.26 % (3473)Memory used [KB]: 5373
% 1.51/1.26 % (3473)Time elapsed: 0.001 s
% 1.51/1.26 % (3473)------------------------------
% 1.51/1.26 % (3473)------------------------------
% 1.51/1.26 % (3471)Success in time 0.008 s
%------------------------------------------------------------------------------