%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYO390_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 : n006.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 02:30:48 PM UTC 2026
% Result : Theorem 0.20s 0.27s
% Output : Refutation 0.20s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYO390_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 : n006.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 17:36:55 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.21 Running first-order model finding
% 0.08/0.21 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
% 0.20/0.27 % (4171881)Will run a generic schedule for satisfiability detection.
% 0.20/0.27 % (4171887)% WARNING: option uhcvi not known.
% 0.20/0.27 % (4171887)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1767809986:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.20/0.27 % (4171887) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-4171881-4171887"...
% 0.20/0.27 % (4171887)...printing done.
% 0.20/0.27 % (4171887)Refutation found. Thanks to Tanya!
% 0.20/0.27 % SZS status Theorem for theBenchmark
% 0.20/0.27 % SZS output start Proof for theBenchmark
% 0.20/0.27 fof(f1,conjecture,(
% 0.20/0.27 ! [X0 : $o,X1 : $o] : ((X0 <=> X1) => (X0 = X1))),
% 0.20/0.27 file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cEXT_eq_0)).
% 0.20/0.27 fof(f2,negated_conjecture,(
% 0.20/0.27 ~ ! [X0 : $o,X1 : $o] : ((X0 <=> X1) => (X0 = X1))),
% 0.20/0.27 inference(negated_conjecture,[status(cth)],[f1])).
% 0.20/0.27 fof(f3,plain,(
% 0.20/0.27 ~ ! [X0 : $o,X1 : $o] : ((X0 <=> X1) => (X0 = X1))),
% 0.20/0.27 inference(rectify,[],[f2])).
% 0.20/0.27 fof(f4,plain,(
% 0.20/0.27 ~ ! [X0 : $o,X1 : $o] : ((X0 <=> X1) => (X0 <=> X1))),
% 0.20/0.27 inference(flattening,[],[f3])).
% 0.20/0.27 fof(f5,plain,(
% 0.20/0.27 ? [X0 : $o,X1 : $o] : ((X0 <~> X1) & (X0 <=> X1))),
% 0.20/0.27 inference(ennf_transformation,[],[f4])).
% 0.20/0.27 fof(f6,plain,(
% 0.20/0.27 sK0 | sK1),
% 0.20/0.27 inference(cnf_transformation,[],[f5])).
% 0.20/0.27 fof(f7,plain,(
% 0.20/0.27 ~sK0 | ~sK1),
% 0.20/0.27 inference(cnf_transformation,[],[f5])).
% 0.20/0.27 fof(f8,plain,(
% 0.20/0.27 sK0 | ~sK1),
% 0.20/0.27 inference(cnf_transformation,[],[f5])).
% 0.20/0.27 fof(f9,plain,(
% 0.20/0.27 ~sK0 | sK1),
% 0.20/0.27 inference(cnf_transformation,[],[f5])).
% 0.20/0.27 fof(f10,plain,(
% 0.20/0.27 sK0 | ~sK1),
% 0.20/0.27 inference(consistent_polarity_flipping,[],[f9])).
% 0.20/0.27 fof(f11,plain,(
% 0.20/0.27 ~sK0 | sK1),
% 0.20/0.27 inference(consistent_polarity_flipping,[],[f8])).
% 0.20/0.27 fof(f12,plain,(
% 0.20/0.27 sK0 | sK1),
% 0.20/0.27 inference(consistent_polarity_flipping,[],[f7])).
% 0.20/0.27 fof(f13,plain,(
% 0.20/0.27 ~sK0 | ~sK1),
% 0.20/0.27 inference(consistent_polarity_flipping,[],[f6])).
% 0.20/0.27 fof(f15,definition,(
% 0.20/0.27 spl2_1 <=> sK1),
% 0.20/0.27 introduced(definition,[new_symbols(definition,[spl2_1])],[avatar_definition])).
% 0.20/0.27 fof(f19,definition,(
% 0.20/0.27 spl2_2 <=> sK0),
% 0.20/0.27 introduced(definition,[new_symbols(definition,[spl2_2])],[avatar_definition])).
% 0.20/0.27 fof(f22,plain,(
% 0.20/0.27 ~spl2_1 | ~spl2_2),
% 0.20/0.27 inference(avatar_split_clause,[],[f13,f19,f15])).
% 0.20/0.27 fof(f23,plain,(
% 0.20/0.27 spl2_1 | spl2_2),
% 0.20/0.27 inference(avatar_split_clause,[],[f12,f19,f15])).
% 0.20/0.27 fof(f24,plain,(
% 0.20/0.27 spl2_1 | ~spl2_2),
% 0.20/0.27 inference(avatar_split_clause,[],[f11,f19,f15])).
% 0.20/0.27 fof(f25,plain,(
% 0.20/0.27 ~spl2_1 | spl2_2),
% 0.20/0.27 inference(avatar_split_clause,[],[f10,f19,f15])).
% 0.20/0.27 cnf(s1, plain, ~spl2_1 | ~spl2_2, inference(sat_conversion,[],[f22])).
% 0.20/0.27 cnf(s2, plain, spl2_1 | spl2_2, inference(sat_conversion,[],[f23])).
% 0.20/0.27 cnf(s3, plain, spl2_1 | ~spl2_2, inference(sat_conversion,[],[f24])).
% 0.20/0.27 cnf(s4, plain, ~spl2_1 | spl2_2, inference(sat_conversion,[],[f25])).
% 0.20/0.27 cnf(s5, plain, spl2_1, inference(rat,[],[s2,s3])).
% 0.20/0.27 cnf(s6, plain, spl2_2, inference(rat,[],[s4,s5])).
% 0.20/0.27 cnf(s7, plain, $false, inference(rat,[],[s1,s6,s5])).
% 0.20/0.27 fof(f26,plain,(
% 0.20/0.27 $false),
% 0.20/0.27 inference(avatar_sat_refutation,[],[s7])).
% 0.20/0.27 % SZS output end Proof for theBenchmark
% 0.20/0.27 % (4171887)------------------------------
% 0.20/0.27 % (4171887)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.27 % (4171887)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.27 % (4171887)CaDiCaL version: 2.1.3
% 0.20/0.27 % (4171887)Termination reason: Refutation
% 0.20/0.27 % (4171887)Time elapsed: 0.001 s
% 0.20/0.27 % (4171887)Peak memory usage: 12 MB
% 0.20/0.27 % (4171881)Success in time 0.05 s
% 0.20/0.27 % Vampire exiting
%------------------------------------------------------------------------------