%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : GEO250+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n018.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 09:54:14 AM UTC 2026
% Result : Theorem 0.15s 0.47s
% Output : Refutation 0.15s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 2
% Syntax : Number of formulae : 8 ( 3 unt; 0 def)
% Number of atoms : 13 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 6 ~; 1 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 15 ( 12 !; 3 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f15,axiom,
! [X0,X1] :
~ ( left_apart_point(X0,X1)
| left_apart_point(X0,reverse_line(X1)) ),
file('/export/starexec/sandbox/benchmark/Axioms/GEO007+0.ax',oag10) ).
fof(f32,conjecture,
! [X0,X1,X2] :
( left_apart_point(X1,parallel_through_point(X2,X0))
=> left_apart_point(X0,reverse_line(parallel_through_point(X2,X1))) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
fof(f33,negated_conjecture,
~ ! [X0,X1,X2] :
( left_apart_point(X1,parallel_through_point(X2,X0))
=> left_apart_point(X0,reverse_line(parallel_through_point(X2,X1))) ),
inference(negated_conjecture,[status(cth)],[f32]) ).
fof(f48,plain,
! [X0,X1] :
( ~ left_apart_point(X0,X1)
& ~ left_apart_point(X0,reverse_line(X1)) ),
inference(ennf_transformation,[],[f15]) ).
fof(f70,plain,
? [X0,X1,X2] :
( ~ left_apart_point(X0,reverse_line(parallel_through_point(X2,X1)))
& left_apart_point(X1,parallel_through_point(X2,X0)) ),
inference(ennf_transformation,[],[f33]) ).
fof(f86,plain,
! [X0,X1] : ~ left_apart_point(X0,X1),
inference(cnf_transformation,[],[f48]) ).
fof(f106,plain,
left_apart_point(sK1,parallel_through_point(sK2,sK0)),
inference(cnf_transformation,[],[f70]) ).
fof(f111,plain,
$false,
inference(resolution,[],[f86,f106]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO250+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.39 % Computer : n018.cluster.edu
% 0.12/0.39 % Model : x86_64 x86_64
% 0.12/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39 % Memory : 8046.5625MB
% 0.12/0.39 % OS : Linux 6.8.0-71-generic
% 0.12/0.39 % CPULimit : 300
% 0.12/0.39 % WCLimit : 300
% 0.12/0.39 % DateTime : Sun Sep 27 07:54:08 UTC 2026
% 0.12/0.40 % CPUTime :
% 0.12/0.40 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.43 Running first-order model finding
% 0.12/0.43 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
% 0.15/0.47 % (2004998)Will run a generic schedule for satisfiability detection.
% 0.15/0.47 % (2005007)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1767866404:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.15/0.47 % (2005007) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2004998-2005007"...
% 0.15/0.47 % (2005007)...printing done.
% 0.15/0.47 % (2005004)% WARNING: option uhcvi not known.
% 0.15/0.47 % (2005007)Refutation found. Thanks to Tanya!
% 0.15/0.47 % SZS status Theorem for theBenchmark
% 0.15/0.47 % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.47 % (2005007)------------------------------
% 0.15/0.47 % (2005007)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.15/0.47 % (2005007)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.15/0.47 % (2005007)CaDiCaL version: 2.1.3
% 0.15/0.47 % (2005007)Termination reason: Refutation
% 0.15/0.47 % (2005007)Time elapsed: 0.002 s
% 0.15/0.47 % (2005007)Peak memory usage: 12 MB
% 0.15/0.47 % (2005007)Instructions burned: 3 (million)
% 0.15/0.47 % (2004998)Success in time 0.027 s
% 0.15/0.47 % Vampire exiting
%------------------------------------------------------------------------------