%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SET184-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 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 : Tue Sep 29 12:43:23 PM UTC 2026
% Result : Unsatisfiable 0.18s 0.47s
% Output : Refutation 0.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 5
% Syntax : Number of formulae : 15 ( 6 unt; 0 def)
% Number of atoms : 24 ( 2 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 22 ( 13 ~; 9 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 16 ( 16 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( member(not_subclass_element(X0,X1),X0)
| subclass(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',not_subclass_members1) ).
fof(f3,axiom,
! [X0,X1] :
( ~ member(not_subclass_element(X0,X1),X1)
| subclass(X0,X1) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',not_subclass_members2) ).
fof(f22,axiom,
! [X2,X0,X1] :
( ~ member(X0,intersection(X1,X2))
| member(X0,X2) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',intersection2) ).
fof(f122,negated_conjecture,
intersection(x,y) = x,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_subclass_property2_1) ).
fof(f123,plain,
x = intersection(x,y),
inference(reorient_equations,[],[f122]) ).
fof(f124,negated_conjecture,
~ subclass(x,y),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_subclass_property2_2) ).
fof(f192,plain,
! [X0,X1] :
( ~ member(not_subclass_element(X0,X1),X0)
| ~ subclass(X0,X1) ),
inference(consistent_polarity_flipping,[],[f2]) ).
fof(f193,plain,
! [X0,X1] :
( member(not_subclass_element(X0,X1),X1)
| ~ subclass(X0,X1) ),
inference(consistent_polarity_flipping,[],[f3]) ).
fof(f210,plain,
! [X2,X0,X1] :
( member(X0,intersection(X1,X2))
| ~ member(X0,X2) ),
inference(consistent_polarity_flipping,[],[f22]) ).
fof(f278,plain,
subclass(x,y),
inference(consistent_polarity_flipping,[],[f124]) ).
fof(f347,plain,
! [X0] :
( member(X0,x)
| ~ member(X0,y) ),
inference(superposition,[],[f210,f123]) ).
fof(f348,plain,
! [X0] :
( ~ member(not_subclass_element(x,X0),y)
| ~ subclass(x,X0) ),
inference(resolution,[],[f347,f192]) ).
fof(f383,plain,
( ~ subclass(x,y)
| ~ subclass(x,y) ),
inference(resolution,[],[f348,f193]) ).
fof(f384,plain,
~ subclass(x,y),
inference(duplicate_literal_removal,[],[f383]) ).
fof(f385,plain,
$false,
inference(resolution,[],[f384,f278]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET184-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.39 % Computer : n017.cluster.edu
% 0.12/0.39 % Model : x86_64 x86_64
% 0.12/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39 % Memory : 8046.5625MB
% 0.12/0.39 % OS : Linux 6.8.0-71-generic
% 0.12/0.39 % CPULimit : 300
% 0.12/0.39 % WCLimit : 300
% 0.12/0.39 % DateTime : Mon Sep 28 00:57:51 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.42 Running first-order model finding
% 0.12/0.43 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.47 % (3123841)Will run a generic schedule for satisfiability detection.
% 0.18/0.47 % (3123852)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=1997810028:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.18/0.47 % (3123847)% WARNING: option uhcvi not known.
% 0.18/0.47 % (3123852) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3123841-3123852"...
% 0.18/0.47 % (3123852)...printing done.
% 0.18/0.47 % (3123852)Refutation found. Thanks to Tanya!
% 0.18/0.47 % SZS status Unsatisfiable for theBenchmark
% 0.18/0.47 % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.47 % (3123852)------------------------------
% 0.18/0.47 % (3123852)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.18/0.47 % (3123852)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.18/0.47 % (3123852)CaDiCaL version: 2.1.3
% 0.18/0.47 % (3123852)Termination reason: Refutation
% 0.18/0.47 % (3123852)Time elapsed: 0.004 s
% 0.18/0.47 % (3123852)Peak memory usage: 12 MB
% 0.18/0.47 % (3123852)Instructions burned: 9 (million)
% 0.18/0.47 % (3123841)Success in time 0.037 s
% 0.18/0.47 % Vampire exiting
%------------------------------------------------------------------------------