%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYN327-1 : TPTP v9.3.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n011.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 02:07:19 PM UTC 2026
% Result : Unsatisfiable 0.20s 0.27s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 3 unt; 0 def)
% Number of atoms : 15 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 16 ( 9 ~; 7 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 1 con; 0-1 aty)
% Number of variables : 3 ( 3 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
! [X0] :
( f(X0,a)
| f(a,X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).
fof(f5,negated_conjecture,
! [X0] :
( ~ f(a,z(X0))
| ~ f(a,X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).
fof(f6,negated_conjecture,
! [X0] :
( ~ f(z(X0),X0)
| ~ f(X0,a)
| ~ f(a,X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).
fof(f37,plain,
( f(a,z(a))
| ~ f(a,a)
| ~ f(a,a) ),
inference(resolution,[],[f1,f6]) ).
fof(f38,plain,
f(a,a),
inference(factoring,[],[f1]) ).
fof(f39,plain,
( f(a,z(a))
| ~ f(a,a) ),
inference(duplicate_literal_removal,[],[f37]) ).
fof(f45,plain,
~ f(a,a),
inference(forward_subsumption_resolution,[],[f39,f5]) ).
fof(f46,plain,
$false,
inference(global_subsumption,[],[f45,f38]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYN327-1 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.07/0.19 % Computer : n011.cluster.edu
% 0.07/0.19 % Model : x86_64 x86_64
% 0.07/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.19 % Memory : 8046.5625MB
% 0.07/0.19 % OS : Linux 6.8.0-71-generic
% 0.07/0.19 % CPULimit : 300
% 0.07/0.19 % WCLimit : 300
% 0.07/0.19 % DateTime : Mon Sep 28 15:42:16 UTC 2026
% 0.07/0.19 % CPUTime :
% 0.07/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.07/0.22 Running first-order model finding
% 0.07/0.23 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
% 0.20/0.27 % (3486825)Will run a generic schedule for satisfiability detection.
% 0.20/0.27 % (3486832)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3262814250:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.27 % (3486832) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3486825-3486832"...
% 0.20/0.27 % (3486832)...printing done.
% 0.20/0.27 % (3486831)% WARNING: option uhcvi not known.
% 0.20/0.27 % (3486832)Refutation found. Thanks to Tanya!
% 0.20/0.27 % SZS status Unsatisfiable for theBenchmark
% 0.20/0.27 % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.27 % (3486832)------------------------------
% 0.20/0.27 % (3486832)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.27 % (3486832)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.27 % (3486832)CaDiCaL version: 2.1.3
% 0.20/0.27 % (3486832)Termination reason: Refutation
% 0.20/0.27 % (3486832)Time elapsed: 0.001 s
% 0.20/0.27 % (3486832)Peak memory usage: 11 MB
% 0.20/0.27 % (3486832)Instructions burned: 1 (million)
% 0.20/0.27 % (3486825)Success in time 0.036 s
% 0.20/0.27 % Vampire exiting
%------------------------------------------------------------------------------