%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYN326-1 : TPTP v9.3.1. Released v1.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n001.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 0.10s 0.24s
% Output : Refutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of formulae : 11 ( 5 unt; 0 def)
% Number of atoms : 17 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 5 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 0 con; 1-1 aty)
% Number of variables : 10 ( 10 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,negated_conjecture,
! [X0] :
( g(y(X0))
| f(X0,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
fof(f3,negated_conjecture,
! [X0] :
( ~ h(X0)
| f(X0,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause3) ).
fof(f5,negated_conjecture,
! [X0] :
( ~ g(X0)
| h(z(X0)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause5) ).
fof(f7,negated_conjecture,
! [X0] : ~ f(z(X0),z(X0)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause7) ).
fof(f8,plain,
! [X0] :
( ~ g(y(X0))
| f(X0,X0) ),
inference(consistent_polarity_flipping,[],[f2]) ).
fof(f9,plain,
! [X0] :
( f(X0,X0)
| h(X0) ),
inference(consistent_polarity_flipping,[],[f3]) ).
fof(f11,plain,
! [X0] :
( ~ h(z(X0))
| g(X0) ),
inference(consistent_polarity_flipping,[],[f5]) ).
fof(f12,plain,
! [X0] : h(z(X0)),
inference(resolution,[],[f9,f7]) ).
fof(f13,plain,
! [X0] : g(X0),
inference(backward_subsumption_resolution,[],[f11,f12]) ).
fof(f14,plain,
! [X0] : f(X0,X0),
inference(backward_subsumption_resolution,[],[f8,f13]) ).
fof(f15,plain,
$false,
inference(backward_subsumption_resolution,[],[f7,f14]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYN326-1 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.17 % Computer : n001.cluster.edu
% 0.10/0.17 % Model : x86_64 x86_64
% 0.10/0.17 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.17 % Memory : 8046.5625MB
% 0.10/0.17 % OS : Linux 6.8.0-71-generic
% 0.10/0.17 % CPULimit : 300
% 0.10/0.17 % WCLimit : 300
% 0.10/0.17 % DateTime : Mon Sep 28 15:48:04 UTC 2026
% 0.10/0.17 % CPUTime :
% 0.10/0.17 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.21 Running first-order model finding
% 0.10/0.21 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
% 0.10/0.24 % (448068)Will run a generic schedule for satisfiability detection.
% 0.10/0.24 % (448074)% WARNING: option uhcvi not known.
% 0.10/0.24 % (448074)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1228163884:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.10/0.24 % (448074) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-448068-448074"...
% 0.10/0.24 % (448074)...printing done.
% 0.10/0.24 % (448074)Refutation found. Thanks to Tanya!
% 0.10/0.24 % SZS status Unsatisfiable for theBenchmark
% 0.10/0.24 % SZS output start Proof for theBenchmark
% See solution above
% 0.10/0.24 % (448074)------------------------------
% 0.10/0.24 % (448074)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.10/0.24 % (448074)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.10/0.24 % (448074)CaDiCaL version: 2.1.3
% 0.10/0.24 % (448074)Termination reason: Refutation
% 0.10/0.24 % (448074)Time elapsed: 0.0000 s
% 0.10/0.24 % (448074)Peak memory usage: 11 MB
% 0.10/0.24 % (448068)Success in time 0.029 s
% 0.10/0.24 % Vampire exiting
%------------------------------------------------------------------------------