%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYO561_1 : TPTP v9.3.1. Released v5.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n006.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 02:31:40 PM UTC 2026
% Result : Theorem 0.11s 0.27s
% Output : Refutation 0.11s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 8 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 8 ( 7 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 6 ( 6 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 2 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of FOOLs : 1 ( 1 fml; 0 var)
% Number of types : 1 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_5,type,
company: $tType ).
tff(func_def_0,type,
apple: company ).
tff(func_def_1,type,
microsoft: company ).
tff(f1,axiom,
apple != microsoft,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',distinct_companies) ).
tff(f2,conjecture,
apple != microsoft,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',apple_not_microsoft) ).
tff(f3,negated_conjecture,
( ( ~ apple ) != microsoft ),
inference(negated_conjecture,[status(cth)],[f2]) ).
tff(f4,plain,
apple = microsoft,
inference(flattening,[],[f3]) ).
tff(f5,plain,
apple != microsoft,
inference(cnf_transformation,[],[f1]) ).
tff(f6,plain,
apple = microsoft,
inference(cnf_transformation,[],[f4]) ).
tff(f7,plain,
microsoft != microsoft,
inference(definition_unfolding,[],[f5,f6]) ).
tff(f8,plain,
$false,
inference(trivial_inequality_removal,[],[f7]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO561_1 : TPTP v9.3.1. Released v5.3.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.11/0.19 % Computer : n006.cluster.edu
% 0.11/0.19 % Model : x86_64 x86_64
% 0.11/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.19 % Memory : 8046.5625MB
% 0.11/0.19 % OS : Linux 6.8.0-71-generic
% 0.11/0.19 % CPULimit : 300
% 0.11/0.19 % WCLimit : 300
% 0.11/0.19 % DateTime : Mon Sep 28 17:48:25 UTC 2026
% 0.11/0.19 % CPUTime :
% 0.11/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.11/0.22 Running first-order model finding
% 0.11/0.22 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
% 0.11/0.27 % (3590)Will run a generic schedule for satisfiability detection.
% 0.11/0.27 % (3598)dis+10_1_sil=32000:sp=arity:random_seed=162823802:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.11/0.27 % (3598) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3590-3598"...
% 0.11/0.27 % (3598)...printing done.
% 0.11/0.27 % (3596)% WARNING: option uhcvi not known.
% 0.11/0.27 % (3598)Refutation found. Thanks to Tanya!
% 0.11/0.27 % SZS status Theorem for theBenchmark
% 0.11/0.27 % SZS output start Proof for theBenchmark
% See solution above
% 0.11/0.27 % (3598)------------------------------
% 0.11/0.27 % (3598)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.11/0.27 % (3598)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.11/0.27 % (3598)CaDiCaL version: 2.1.3
% 0.11/0.27 % (3598)Termination reason: Refutation
% 0.11/0.27 % (3598)Time elapsed: 0.0000 s
% 0.11/0.27 % (3598)Peak memory usage: 11 MB
% 0.11/0.27 % (3590)Success in time 0.043 s
% 0.11/0.27 % Vampire exiting
%------------------------------------------------------------------------------