%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : MGT049-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n026.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 12:02:43 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.46s
% Output : Refutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of formulae : 8 ( 5 unt; 0 def)
% Number of atoms : 12 ( 7 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 10 ( 6 ~; 4 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 12 ( 12 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f13,axiom,
! [X2,X0,X1] :
( ~ organization(X0)
| external_ties(X0,X1) != external_ties(X0,X2)
| position(X0,X1) = position(X0,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_6_31) ).
fof(f14,axiom,
! [X2,X0,X1] :
( ~ organization(X0)
| external_ties(X0,X1) = external_ties(X0,X2) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_11_32) ).
fof(f15,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_6_33) ).
fof(f17,negated_conjecture,
position(sk1,sk3) != position(sk1,sk2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_6_35) ).
fof(f18,plain,
! [X2,X0,X1] :
( ~ organization(X0)
| position(X0,X1) = position(X0,X2) ),
inference(forward_subsumption_resolution,[],[f13,f14]) ).
fof(f43,plain,
! [X0,X1] : position(sk1,X0) = position(sk1,X1),
inference(resolution,[],[f18,f15]) ).
fof(f49,plain,
! [X0] : position(sk1,sk3) != position(sk1,X0),
inference(superposition,[],[f17,f43]) ).
fof(f50,plain,
$false,
inference(forward_subsumption_resolution,[],[f49,f43]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MGT049-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.13/0.38 % Computer : n026.cluster.edu
% 0.13/0.38 % Model : x86_64 x86_64
% 0.13/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.38 % Memory : 8046.5625MB
% 0.13/0.38 % OS : Linux 6.8.0-71-generic
% 0.13/0.38 % CPULimit : 300
% 0.13/0.38 % WCLimit : 300
% 0.13/0.38 % DateTime : Sun Sep 27 17:30:56 UTC 2026
% 0.13/0.38 % CPUTime :
% 0.13/0.38 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.13/0.42 Running first-order model finding
% 0.13/0.42 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.46 % (3087146)Will run a generic schedule for satisfiability detection.
% 0.13/0.46 % (3087156)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2496085381:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.13/0.46 % (3087156) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-3087146-3087156"...
% 0.13/0.46 % (3087156)...printing done.
% 0.13/0.46 % (3087156)Refutation found. Thanks to Tanya!
% 0.13/0.46 % SZS status Unsatisfiable for theBenchmark
% 0.13/0.46 % SZS output start Proof for theBenchmark
% See solution above
% 0.13/0.46 % (3087156)------------------------------
% 0.13/0.46 % (3087156)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.13/0.46 % (3087156)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.13/0.46 % (3087156)CaDiCaL version: 2.1.3
% 0.13/0.46 % (3087156)Termination reason: Refutation
% 0.13/0.46 % (3087156)Time elapsed: 0.001 s
% 0.13/0.46 % (3087156)Peak memory usage: 11 MB
% 0.13/0.46 % (3087156)Instructions burned: 1 (million)
% 0.13/0.46 % (3087146)Success in time 0.029 s
% 0.13/0.46 % Vampire exiting
%------------------------------------------------------------------------------