%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SYO516^1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n011.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 08:48:10 AM UTC 2026
% Result : Theorem 0.21s 0.28s
% Output : Refutation 0.21s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO516^1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.19 % Computer : n011.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 : Tue Sep 29 17:12:16 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.23 Running higher-order theorem proving
% 0.08/0.24 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.28 % (378186)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.21/0.28 % (378191)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=2054829745:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.21/0.28 % (378191) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-378186-378191"...
% 0.21/0.28 % (378191)...printing done.
% 0.21/0.28 % (378191)Refutation found. Thanks to Tanya!
% 0.21/0.28 % SZS status Theorem for theBenchmark
% 0.21/0.28 % SZS output start Proof for theBenchmark
% 0.21/0.28 thf(type_def_5, type, sTfun: ($tType * $tType) > $tType).
% 0.21/0.28 thf(func_def_0, type, r: ($i > $i > $o)).
% 0.21/0.28 thf(func_def_2, type, db0: !>[X0: $tType]:(X0)).
% 0.21/0.28 thf(func_def_3, type, vEQ: !>[X0: $tType]:((X0 > X0 > $o))).
% 0.21/0.28 thf(func_def_4, type, vLAM: !>[X0: $tType, X1: $tType]:((X1) > (X0 > X1))).
% 0.21/0.28 thf(func_def_7, type, sK0: (($i > $i) > $i)).
% 0.21/0.28 thf(func_def_8, type, sK1: ($i > $i)).
% 0.21/0.28 thf(f1,conjecture,(
% 0.21/0.28 ! [X0 : $i] : ? [X1 : $i] : ((^[X2 : $i] : ((X1 = X2))) = ((r @ X0))) => ? [X3 : ($i > $i)] : ! [X0 : $i] : (r @ X0 @ (X3 @ X0))),
% 0.21/0.28 file('/export/starexec/sandbox/benchmark/theBenchmark.p',descr2)).
% 0.21/0.28 thf(f2,negated_conjecture,(
% 0.21/0.28 ~(! [X0 : $i] : ? [X1 : $i] : ((^[X2 : $i] : ((X1 = X2))) = ((r @ X0))) => ? [X3 : ($i > $i)] : ! [X0 : $i] : (r @ X0 @ (X3 @ X0)))),
% 0.21/0.28 inference(negated_conjecture,[status(cth)],[f1])).
% 0.21/0.28 thf(f3,plain,(
% 0.21/0.28 ~(! [X0 : $i] : ? [X1 : $i] : ((^[X2 : $i] : ((X1 = X2))) = ((r @ X0))) => ? [X3 : ($i > $i)] : ! [X4 : $i] : (r @ X4 @ (X3 @ X4)))),
% 0.21/0.28 inference(rectify,[],[f2])).
% 0.21/0.28 thf(f4,plain,(
% 0.21/0.28 ~(! [X0 : $i] : ? [X1 : $i] : (((r @ X0)) = (^[Y0 : $i]: (X1 = Y0))) => ? [X3 : ($i > $i)] : ! [X4 : $i] : (((r @ X4 @ (X3 @ X4))) = $true))),
% 0.21/0.28 inference(fool_elimination,[],[f3])).
% 0.21/0.28 thf(f5,plain,(
% 0.21/0.28 ~(! [X0 : $i] : ? [X1 : $i] : (((r @ X0)) = (^[Y0 : $i]: (X1 = Y0))) => ? [X2 : ($i > $i)] : ! [X3 : $i] : ($true = ((r @ X3 @ (X2 @ X3)))))),
% 0.21/0.28 inference(rectify,[],[f4])).
% 0.21/0.28 thf(f6,plain,(
% 0.21/0.28 ! [X2 : ($i > $i)] : ? [X3 : $i] : ($true != ((r @ X3 @ (X2 @ X3)))) & ! [X0 : $i] : ? [X1 : $i] : (((r @ X0)) = (^[Y0 : $i]: (X1 = Y0)))),
% 0.21/0.28 inference(ennf_transformation,[],[f5])).
% 0.21/0.28 thf(f7,plain,(
% 0.21/0.28 ! [X0 : ($i > $i)] : ? [X1 : $i] : (((r @ X1 @ (X0 @ X1))) != $true) & ! [X2 : $i] : ? [X3 : $i] : ((^[Y0 : $i]: (X3 = Y0)) = ((r @ X2)))),
% 0.21/0.28 inference(rectify,[],[f6])).
% 0.21/0.28 thf(f8,plain,(
% 0.21/0.28 ! [X0 : ($i > $i)] : (((r @ (sK0 @ X0) @ (X0 @ (sK0 @ X0)))) != $true) & ! [X2 : $i] : ((^[Y0 : $i]: ((sK1 @ X2) = Y0)) = ((r @ X2)))),
% 0.21/0.28 inference(skolemize,[status(esa),new_symbols(skolem,[vAPP,vAPP]),skolemize(X3,sK1 @ X2),skolemize(X3,sK1 @ X2)],[f7])).
% 0.21/0.28 thf(f9,plain,(
% 0.21/0.28 ( ! [X2 : $i] : (((^[Y0 : $i]: ((sK1 @ X2) = Y0)) = ((r @ X2)))) )),
% 0.21/0.28 inference(cnf_transformation,[],[f8])).
% 0.21/0.28 thf(f10,plain,(
% 0.21/0.28 ( ! [X0 : ($i > $i)] : ((((r @ (sK0 @ X0) @ (X0 @ (sK0 @ X0)))) != $true)) )),
% 0.21/0.28 inference(cnf_transformation,[],[f8])).
% 0.21/0.28 thf(f13,plain,(
% 0.21/0.28 ( ! [X2 : $i] : ((((r @ X2)) = ((= @ (sK1 @ X2))))) )),
% 0.21/0.28 inference(beta-eta_normalization,[],[f9])).
% 0.21/0.28 thf(f14,plain,(
% 0.21/0.28 ( ! [X2 : $i,X3 : $i] : ((((r @ X2 @ X3)) = (((sK1 @ X2) = X3)))) )),
% 0.21/0.28 inference(argument_congruence,[],[f13])).
% 0.21/0.28 thf(f15,plain,(
% 0.21/0.28 ( ! [X2 : $i,X3 : $i] : ((((r @ X2 @ X3)) = $true) | ($false = (((sK1 @ X2) = X3)))) )),
% 0.21/0.28 inference(iff_proxy_clausification,[],[f14])).
% 0.21/0.28 thf(f18,plain,(
% 0.21/0.28 ( ! [X2 : $i,X3 : $i] : ((((sK1 @ X2)) != X3) | (((r @ X2 @ X3)) = $true)) )),
% 0.21/0.28 inference(equality_proxy_clausification,[],[f15])).
% 0.21/0.28 thf(f21,plain,(
% 0.21/0.28 ( ! [X0 : $i] : (($true = ((r @ X0 @ (sK1 @ X0))))) )),
% 0.21/0.28 inference(equality_resolution,[],[f18])).
% 0.21/0.28 thf(f22,plain,(
% 0.21/0.28 ($true != $true)),
% 0.21/0.28 inference(constrained_superposition,[],[f10,f21])).
% 0.21/0.28 thf(f23,plain,(
% 0.21/0.28 $false),
% 0.21/0.28 inference(trivial_inequality_removal,[],[f22])).
% 0.21/0.28 % SZS output end Proof for theBenchmark
% 0.21/0.28 % (378191)------------------------------
% 0.21/0.28 % (378191)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.21/0.28 % (378191)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.21/0.28 % (378191)CaDiCaL version: 2.1.3
% 0.21/0.28 % (378191)Termination reason: Refutation
% 0.21/0.28 % (378191)Time elapsed: 0.001 s
% 0.21/0.28 % (378191)Peak memory usage: 12 MB
% 0.21/0.28 % (378191)Instructions burned: 2 (million)
% 0.21/0.28 % (378186)Success in time 0.027 s
% 0.21/0.28 % Vampire exiting
%------------------------------------------------------------------------------