%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SWC411-1 : 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 : n013.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 01:05:56 PM UTC 2026
% Result : Unsatisfiable 0.08s 0.24s
% Output : Refutation 0.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 6
% Syntax : Number of formulae : 11 ( 9 unt; 0 def)
% Number of atoms : 14 ( 2 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 9 ( 6 ~; 3 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 1 ( 1 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
! [X0] :
( ~ ssItem(X0)
| memberP(sk3,X0)
| ~ memberP(sk4,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
ssItem(sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
memberP(sk2,sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
~ memberP(sk1,sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_10) ).
fof(f212,plain,
memberP(sk4,sk5),
inference(definition_unfolding,[],[f208,f204]) ).
fof(f213,plain,
~ memberP(sk3,sk5),
inference(definition_unfolding,[],[f209,f205]) ).
fof(f221,plain,
( memberP(sk3,sk5)
| ~ memberP(sk4,sk5) ),
inference(resolution,[],[f206,f207]) ).
fof(f222,plain,
~ memberP(sk4,sk5),
inference(forward_subsumption_resolution,[],[f221,f213]) ).
fof(f223,plain,
$false,
inference(forward_subsumption_resolution,[],[f222,f212]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC411-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.18 % Computer : n013.cluster.edu
% 0.08/0.18 % Model : x86_64 x86_64
% 0.08/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.18 % Memory : 8046.5625MB
% 0.08/0.18 % OS : Linux 6.8.0-71-generic
% 0.08/0.18 % CPULimit : 300
% 0.08/0.18 % WCLimit : 300
% 0.08/0.18 % DateTime : Mon Sep 28 09:31:37 UTC 2026
% 0.08/0.18 % CPUTime :
% 0.08/0.18 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.21 Running first-order model finding
% 0.08/0.21 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
% 0.08/0.24 % (1048492)Will run a generic schedule for satisfiability detection.
% 0.08/0.24 % (1048507)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3515052717:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.08/0.24 % (1048507) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-1048492-1048507"...
% 0.08/0.24 % (1048507)...printing done.
% 0.08/0.24 % (1048507)Refutation found. Thanks to Tanya!
% 0.08/0.24 % SZS status Unsatisfiable for theBenchmark
% 0.08/0.24 % SZS output start Proof for theBenchmark
% See solution above
% 0.08/0.24 % (1048507)------------------------------
% 0.08/0.24 % (1048507)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.08/0.24 % (1048507)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.08/0.24 % (1048507)CaDiCaL version: 2.1.3
% 0.08/0.24 % (1048507)Termination reason: Refutation
% 0.08/0.24 % (1048507)Time elapsed: 0.003 s
% 0.08/0.24 % (1048507)Peak memory usage: 12 MB
% 0.08/0.24 % (1048507)Instructions burned: 7 (million)
% 0.08/0.24 % (1048492)Success in time 0.022 s
% 0.08/0.24 % Vampire exiting
%------------------------------------------------------------------------------