%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYO028_8 : TPTP v9.3.1. Released v8.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n004.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 02:29:36 PM UTC 2026
% Result : Theorem 0.18s 0.26s
% Output : Refutation 0.18s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO028_8 : TPTP v9.3.1. Released v8.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.19 % Computer : n004.cluster.edu
% 0.08/0.19 % Model : x86_64 x86_64
% 0.08/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.19 % Memory : 8046.5625MB
% 0.08/0.19 % OS : Linux 6.8.0-71-generic
% 0.08/0.19 % CPULimit : 300
% 0.08/0.19 % WCLimit : 300
% 0.08/0.19 % DateTime : Mon Sep 28 17:21:52 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.22 Running first-order model finding
% 0.08/0.22 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
% 0.18/0.26 % (531581)Will run a generic schedule for satisfiability detection.
% 0.18/0.26 % (531592)dis+10_1_sil=32000:sp=arity:random_seed=4099151028:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.18/0.26 % (531592) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-531581-531592"...
% 0.18/0.26 % (531592)...printing done.
% 0.18/0.26 % (531590)% WARNING: option uhcvi not known.
% 0.18/0.26 % (531592)Refutation found. Thanks to Tanya!
% 0.18/0.26 % SZS status Theorem for theBenchmark
% 0.18/0.26 % SZS output start Proof for theBenchmark
% 0.18/0.26 tff(f1,conjecture,(
% 0.18/0.26 ~ ! [X0 : $o] : X0),
% 0.18/0.26 file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conj)).
% 0.18/0.26 tff(f2,negated_conjecture,(
% 0.18/0.26 ~ ~ ! [X0 : $o] : X0),
% 0.18/0.26 inference(negated_conjecture,[status(cth)],[f1])).
% 0.18/0.26 tff(f3,plain,(
% 0.18/0.26 ~ ~ ! [X0 : $o] : X0),
% 0.18/0.26 inference(rectify,[],[f2])).
% 0.18/0.26 tff(f4,plain,(
% 0.18/0.26 ~ ~ ! [X0 : $o] : ($true = X0)),
% 0.18/0.26 inference(fool_elimination,[],[f3])).
% 0.18/0.26 tff(f5,plain,(
% 0.18/0.26 ! [X0 : $o] : ($true = X0)),
% 0.18/0.26 inference(flattening,[],[f4])).
% 0.18/0.26 tff(f6,plain,(
% 0.18/0.26 ( ! [X0 : $o] : (($true = X0)) )),
% 0.18/0.26 inference(cnf_transformation,[],[f5])).
% 0.18/0.26 tff(f7,definition,(
% 0.18/0.26 ($true != $false)),
% 0.18/0.26 introduced(theory,[fool_distinctness_axiom])).
% 0.18/0.26 tff(f10,plain,(
% 0.18/0.26 $false),
% 0.18/0.26 inference(forward_subsumption_resolution,[],[f7,f6])).
% 0.18/0.26 % SZS output end Proof for theBenchmark
% 0.18/0.26 % (531592)------------------------------
% 0.18/0.26 % (531592)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.18/0.26 % (531592)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.18/0.26 % (531592)CaDiCaL version: 2.1.3
% 0.18/0.26 % (531592)Termination reason: Refutation
% 0.18/0.26 % (531592)Time elapsed: 0.0000 s
% 0.18/0.26 % (531592)Peak memory usage: 11 MB
% 0.18/0.26 % (531581)Success in time 0.028 s
% 0.18/0.26 % Vampire exiting
%------------------------------------------------------------------------------