%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SYO195^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n009.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 : Wed Sep 30 08:47:10 AM UTC 2026
% Result : Theorem 0.22s 0.28s
% Output : Refutation 0.22s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO195^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.19 % Computer : n009.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 : Tue Sep 29 16:39:00 UTC 2026
% 0.09/0.20 % CPUTime :
% 0.09/0.20 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.23 Running higher-order theorem proving
% 0.09/0.24 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.28 % (36340)Detected formulas, will run a generic FOF schedule.
% 0.22/0.28 % (36349)lrs+10_2:3_to=lpo:sil=16000:sp=arity:random_seed=1316255990:i=114:bd=all:ss=axioms:sgt=4_2999 on theBenchmark for (2999ds/114Mi)
% 0.22/0.28 % (36349) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-36340-36349"...
% 0.22/0.28 % (36349)...printing done.
% 0.22/0.28 % (36349)Refutation found. Thanks to Tanya!
% 0.22/0.28 % SZS status Theorem for theBenchmark
% 0.22/0.28 % SZS output start Proof for theBenchmark
% 0.22/0.28 tff(f1,conjecture,(
% 0.22/0.28 ~ ! [X0 : $o,X1 : $o] : (X0 = X1)),
% 0.22/0.28 file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cCT25)).
% 0.22/0.28 tff(f2,negated_conjecture,(
% 0.22/0.28 ~ ~ ! [X0 : $o,X1 : $o] : (X0 = X1)),
% 0.22/0.28 inference(negated_conjecture,[status(cth)],[f1])).
% 0.22/0.28 tff(f3,plain,(
% 0.22/0.28 ! [X0 : $o,X1 : $o] : (X0 = X1)),
% 0.22/0.28 inference(flattening,[],[f2])).
% 0.22/0.28 tff(f4,plain,(
% 0.22/0.28 ( ! [X0 : $o,X1 : $o] : ((X0 = X1)) )),
% 0.22/0.28 inference(cnf_transformation,[],[f3])).
% 0.22/0.28 tff(f5,definition,(
% 0.22/0.28 ($true != $false)),
% 0.22/0.28 introduced(theory,[fool_distinctness_axiom])).
% 0.22/0.28 tff(f7,plain,(
% 0.22/0.28 $false),
% 0.22/0.28 inference(forward_subsumption_resolution,[],[f5,f4])).
% 0.22/0.28 % SZS output end Proof for theBenchmark
% 0.22/0.28 % (36349)------------------------------
% 0.22/0.28 % (36349)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.28 % (36349)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.28 % (36349)CaDiCaL version: 2.1.3
% 0.22/0.28 % (36349)Termination reason: Refutation
% 0.22/0.28 % (36349)Time elapsed: 0.0000 s
% 0.22/0.28 % (36349)Peak memory usage: 11 MB
% 0.22/0.28 % (36340)Success in time 0.029 s
% 0.22/0.28 % Vampire exiting
%------------------------------------------------------------------------------