%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : MGT045-1 : 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 : n014.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 12:02:42 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.45s
% Output : Refutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 5
% Syntax : Number of formulae : 10 ( 6 unt; 0 def)
% Number of atoms : 16 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 13 ( 7 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 6 ( 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f12,axiom,
! [X2,X0,X1] :
( ~ greater(external_ties(X0,X1),external_ties(X0,X2))
| ~ organization(X0)
| greater(position(X0,X1),position(X0,X2)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_6_30) ).
fof(f14,axiom,
! [X2,X0,X1] :
( ~ greater(age(X0,X1),age(X0,X2))
| ~ organization(X0)
| greater(external_ties(X0,X1),external_ties(X0,X2)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',assumption_8_32) ).
fof(f15,negated_conjecture,
organization(sk1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_4_33) ).
fof(f16,negated_conjecture,
greater(age(sk1,sk3),age(sk1,sk2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_4_34) ).
fof(f17,negated_conjecture,
~ greater(position(sk1,sk3),position(sk1,sk2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_4_35) ).
fof(f50,plain,
( ~ organization(sk1)
| greater(external_ties(sk1,sk3),external_ties(sk1,sk2)) ),
inference(resolution,[],[f14,f16]) ).
fof(f52,plain,
greater(external_ties(sk1,sk3),external_ties(sk1,sk2)),
inference(forward_subsumption_resolution,[],[f50,f15]) ).
fof(f53,plain,
( ~ organization(sk1)
| greater(position(sk1,sk3),position(sk1,sk2)) ),
inference(resolution,[],[f52,f12]) ).
fof(f58,plain,
greater(position(sk1,sk3),position(sk1,sk2)),
inference(forward_subsumption_resolution,[],[f53,f15]) ).
fof(f59,plain,
$false,
inference(forward_subsumption_resolution,[],[f58,f17]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MGT045-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.37 % Computer : n014.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sun Sep 27 17:26:47 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.41 Running first-order model finding
% 0.10/0.41 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
% 0.10/0.45 % (1044517)Will run a generic schedule for satisfiability detection.
% 0.10/0.45 % (1044525)dis+10_1_sil=32000:sp=arity:random_seed=223395202:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.10/0.45 % (1044525) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-1044517-1044525"...
% 0.10/0.45 % (1044525)...printing done.
% 0.10/0.45 % (1044525)Refutation found. Thanks to Tanya!
% 0.10/0.45 % SZS status Unsatisfiable for theBenchmark
% 0.10/0.45 % SZS output start Proof for theBenchmark
% See solution above
% 0.10/0.45 % (1044525)------------------------------
% 0.10/0.45 % (1044525)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.10/0.45 % (1044525)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.10/0.45 % (1044525)CaDiCaL version: 2.1.3
% 0.10/0.45 % (1044525)Termination reason: Refutation
% 0.10/0.45 % (1044525)Time elapsed: 0.001 s
% 0.10/0.45 % (1044525)Peak memory usage: 11 MB
% 0.10/0.45 % (1044525)Instructions burned: 2 (million)
% 0.10/0.45 % (1044517)Success in time 0.03 s
% 0.10/0.45 % Vampire exiting
%------------------------------------------------------------------------------