%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : COL030-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n003.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 09:37:40 AM UTC 2026
% Result : Unsatisfiable 4.52s 1.49s
% Output : Refutation 4.52s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 7 ( 7 unt; 0 def)
% Number of atoms : 7 ( 6 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 11 ( 11 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X2,X0,X1] : apply(apply(apply(s,X0),X1),X2) = apply(apply(X0,X2),apply(X1,X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s_definition) ).
fof(f2,axiom,
! [X0,X1] : apply(apply(l,X0),X1) = apply(X0,apply(X1,X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l_definition) ).
fof(f3,negated_conjecture,
! [X0] : apply(X0,f(X0)) != apply(f(X0),apply(X0,f(X0))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_fixed_point) ).
fof(f19,plain,
! [X2,X0,X1] : apply(apply(l,X2),apply(X0,X1)) = apply(X2,apply(apply(apply(s,X0),X0),X1)),
inference(superposition,[],[f2,f1]) ).
fof(f371,plain,
! [X0] : apply(apply(l,f(apply(apply(s,X0),X0))),apply(X0,f(apply(apply(s,X0),X0)))) != apply(apply(apply(s,X0),X0),f(apply(apply(s,X0),X0))),
inference(superposition,[],[f3,f19]) ).
fof(f372,plain,
! [X0] : apply(apply(apply(s,X0),X0),f(apply(apply(s,X0),X0))) != apply(apply(apply(s,l),X0),f(apply(apply(s,X0),X0))),
inference(forward_demodulation,[],[f371,f1]) ).
fof(f455,plain,
$false,
inference(equality_resolution,[],[f372]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : COL030-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.18 % Computer : n003.cluster.edu
% 0.07/0.18 % Model : x86_64 x86_64
% 0.07/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.18 % Memory : 8046.5625MB
% 0.07/0.18 % OS : Linux 6.8.0-71-generic
% 0.07/0.18 % CPULimit : 300
% 0.07/0.18 % WCLimit : 300
% 0.07/0.18 % DateTime : Mon Sep 28 21:31:58 UTC 2026
% 0.07/0.18 % CPUTime :
% 0.07/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.22 Running first-order theorem proving
% 0.07/0.22 Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.52/1.49 % (2047764)Detected a unit-equality problem, will run specialized UEQ schedule.
% 4.52/1.49 % (2047842)ott-1010_1_sfv=off:to=lpo:sil=8000:fdtod=off:sp=reverse_frequency:spb=goal_then_units:fd=preordered:random_seed=2728879294:i=136:bd=preordered:ins=2:av=off_2999 on theBenchmark for (2999ds/136Mi)
% 4.52/1.49 % (2047839)lrs+1002_1_ncem=casc2026/models/loop7.pt:sil=128000:tgt=ground:npcc=on:drc=off:sp=reverse_frequency:spb=goal:acc=on:s2agt=16:kmz=on:sac=on:random_seed=425995504:i=138329:kws=inv_arity_squared:fgj=on:bd=preordered_2999 on theBenchmark for (2999ds/138329Mi)
% 4.52/1.49 % (2047841)lrs+10_1_ncem=casc2026/models/loop5.pt:sil=128000:tgt=ground:npcc=on:spb=goal_then_units:urr=ec_only:random_seed=3554995453:i=130716:gtgl=4:add=on:doe=on:bd=all:gtg=exists_sym_2999 on theBenchmark for (2999ds/130716Mi)
% 4.52/1.49 % (2047840)lrs+11_1_ncem=casc2026/models/loop6.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=3760125678:i=130792:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/130792Mi)
% 4.52/1.49 % (2047842)Instruction limit reached!
% 4.52/1.49 % (2047842)------------------------------
% 4.52/1.49 % (2047842)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.52/1.49 % (2047842)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.52/1.49 % (2047842)CaDiCaL version: 2.1.3
% 4.52/1.49 % (2047842)Termination reason: Instruction limit
% 4.52/1.49 % (2047842)Termination phase: Saturation
% 4.52/1.49 % (2047842)Time elapsed: 0.045 s
% 4.52/1.49 % (2047842)Peak memory usage: 89 MB
% 4.52/1.49 % (2047842)Instructions burned: 138 (million)
% 4.52/1.49 % (2047844)lrs+10_3_to=lpo:sil=64000:drc=off:fde=unused:sp=reverse_frequency:acc=on:bsr=on:fd=preordered:nwc=1:random_seed=4023240329:avsq=on:i=257:avsqr=16,3:bd=preordered:fsr=off_2999 on theBenchmark for (2999ds/257Mi)
% 4.52/1.49 % (2047845)dis-1010_7_sil=8000:fde=unused:flr=on:random_seed=1223997350:i=1187:sd=4:av=off:ss=axioms:sgt=32_2999 on theBenchmark for (2999ds/1187Mi)
% 4.52/1.49 % (2047843)dis+10_14_to=lpo:sil=8000:tgt=full:drc=off:sp=const_frequency:sos=all:random_seed=24346871:i=181:gtgl=5:bs=unit_only:fsr=off:gtg=exists_all_2999 on theBenchmark for (2999ds/181Mi)
% 4.52/1.49 % (2047845)First to succeed.
% 4.52/1.49 % (2047845)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2047764"
% 4.52/1.49 % (2047843)Instruction limit reached!
% 4.52/1.49 % (2047843)------------------------------
% 4.52/1.49 % (2047843)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.52/1.49 % (2047843)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.52/1.49 % (2047843)CaDiCaL version: 2.1.3
% 4.52/1.49 % (2047843)Termination reason: Instruction limit
% 4.52/1.49 % (2047843)Termination phase: Saturation
% 4.52/1.49 % (2047843)Time elapsed: 0.103 s
% 4.52/1.49 % (2047843)Peak memory usage: 89 MB
% 4.52/1.49 % (2047843)Instructions burned: 182 (million)
% 4.52/1.49 % (2047850)lrs-1011_1_ncem=casc2026/models/loop8.pt:sil=32000:npcc=on:prc=on:fde=unused:lcm=predicate:bsr=on:flr=on:random_seed=2579815810:i=2051:gtgl=2:fgj=on:bd=all:gtg=exists_top_2998 on theBenchmark for (2998ds/2051Mi)
% 4.52/1.49 % (2047844)Instruction limit reached!
% 4.52/1.49 % (2047844)------------------------------
% 4.52/1.49 % (2047844)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.52/1.49 % (2047844)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.52/1.49 % (2047844)CaDiCaL version: 2.1.3
% 4.52/1.49 % (2047844)Termination reason: Instruction limit
% 4.52/1.49 % (2047844)Termination phase: Saturation
% 4.52/1.49 % (2047844)Time elapsed: 0.166 s
% 4.52/1.49 % (2047844)Peak memory usage: 90 MB
% 4.52/1.49 % (2047844)Instructions burned: 258 (million)
% 4.52/1.49 % (2047845)Refutation found. Thanks to Tanya!
% 4.52/1.49 % SZS status Unsatisfiable for theBenchmark
% 4.52/1.49 % SZS output start Proof for theBenchmark
% See solution above
% 4.52/1.49 % (2047845)------------------------------
% 4.52/1.49 % (2047845)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.52/1.49 % (2047845)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.52/1.49 % (2047845)CaDiCaL version: 2.1.3
% 4.52/1.49 % (2047845)Termination reason: Refutation
% 4.52/1.49 % (2047845)Time elapsed: 0.017 s
% 4.52/1.49 % (2047845)Peak memory usage: 88 MB
% 4.52/1.49 % (2047845)Instructions burned: 28 (million)
% 4.52/1.49 % (2047845)------------------------------
% 4.52/1.49 % (2047845)------------------------------
% 4.52/1.49 % (2047764)Success in time 0.554 s
% 4.52/1.49 % Vampire exiting
%------------------------------------------------------------------------------