%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYN035-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n016.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 02:06:28 PM UTC 2026
% Result : Unsatisfiable 0.20s 0.27s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 9 ( 4 unt; 0 def)
% Number of atoms : 18 ( 0 equ)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 22 ( 13 ~; 9 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 1 ( 1 usr; 0 con; 2-2 aty)
% Number of variables : 16 ( 16 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] : p(X0,X1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).
fof(f2,axiom,
! [X0,X1] :
( ~ p(f(X0,X1),f(X0,X1))
| ~ p(X1,f(X0,X1))
| q(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).
fof(f3,negated_conjecture,
! [X0,X1] :
( ~ q(f(X0,X1),f(X0,X1))
| ~ q(X0,f(X0,X1))
| ~ p(f(X0,X1),f(X0,X1))
| ~ p(X1,f(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',theorem) ).
fof(f20,plain,
! [X0,X1] :
( ~ p(X1,f(X0,X1))
| q(X0,X1) ),
inference(forward_subsumption_resolution,[],[f2,f1]) ).
fof(f21,plain,
! [X0,X1] : q(X0,X1),
inference(forward_subsumption_resolution,[],[f20,f1]) ).
fof(f23,plain,
! [X0,X1] :
( ~ q(X0,f(X0,X1))
| ~ p(f(X0,X1),f(X0,X1))
| ~ p(X1,f(X0,X1)) ),
inference(resolution,[],[f21,f3]) ).
fof(f27,plain,
! [X0,X1] :
( ~ p(f(X0,X1),f(X0,X1))
| ~ p(X1,f(X0,X1)) ),
inference(forward_subsumption_resolution,[],[f23,f21]) ).
fof(f28,plain,
! [X0,X1] : ~ p(X1,f(X0,X1)),
inference(forward_subsumption_resolution,[],[f27,f1]) ).
fof(f29,plain,
$false,
inference(forward_subsumption_resolution,[],[f28,f1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN035-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.19 % Computer : n016.cluster.edu
% 0.09/0.19 % Model : x86_64 x86_64
% 0.09/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19 % Memory : 8046.5625MB
% 0.09/0.19 % OS : Linux 6.8.0-71-generic
% 0.09/0.19 % CPULimit : 300
% 0.09/0.19 % WCLimit : 300
% 0.09/0.19 % DateTime : Mon Sep 28 15:25:33 UTC 2026
% 0.09/0.20 % CPUTime :
% 0.09/0.20 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.23 Running first-order model finding
% 0.09/0.23 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 % (3705627)Will run a generic schedule for satisfiability detection.
% 0.20/0.27 % (3705634)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=615332656:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.27 % (3705634) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3705627-3705634"...
% 0.20/0.27 % (3705634)...printing done.
% 0.20/0.27 % (3705634)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 % (3705634)------------------------------
% 0.20/0.27 % (3705634)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.27 % (3705634)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.27 % (3705634)CaDiCaL version: 2.1.3
% 0.20/0.27 % (3705634)Termination reason: Refutation
% 0.20/0.27 % (3705634)Time elapsed: 0.001 s
% 0.20/0.27 % (3705634)Peak memory usage: 11 MB
% 0.20/0.27 % (3705627)Success in time 0.03 s
% 0.20/0.27 % Vampire exiting
%------------------------------------------------------------------------------