%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC094+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/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 : Tue Sep 29 01:02:25 PM UTC 2026
% Result : Theorem 2.66s 1.36s
% Output : Refutation 2.66s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 3
% Syntax : Number of formulae : 25 ( 9 unt; 0 def)
% Number of atoms : 107 ( 43 equ)
% Maximal formula atoms : 12 ( 4 avg)
% Number of connectives : 139 ( 57 ~; 44 |; 29 &)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 18 ( 6 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-2 aty)
% Number of variables : 49 ( 35 !; 14 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f17,axiom,
ssList(nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax17) ).
fof(f84,axiom,
! [X0] :
( ssList(X0)
=> app(X0,nil) = X0 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax84) ).
fof(f96,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( X1 != X3
| X0 != X2
| X3 != X2
| ? [X4] :
( ssList(X4)
& ? [X5] :
( ssList(X5)
& ? [X6] :
( ssList(X6)
& app(app(X4,X5),X6) = X0
& app(X4,X6) = X1 ) ) ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).
fof(f97,negated_conjecture,
~ ! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( X1 != X3
| X0 != X2
| X3 != X2
| ? [X4] :
( ssList(X4)
& ? [X5] :
( ssList(X5)
& ? [X6] :
( ssList(X6)
& app(app(X4,X5),X6) = X0
& app(X4,X6) = X1 ) ) ) ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f96]) ).
fof(f98,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& X2 = X3
& ! [X4] :
( ~ ssList(X4)
| ! [X5] :
( ~ ssList(X5)
| ! [X6] :
( ~ ssList(X6)
| app(app(X4,X5),X6) != X0
| app(X4,X6) != X1 ) ) )
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(ennf_transformation,[],[f97]) ).
fof(f99,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& X2 = X3
& ! [X4] :
( ~ ssList(X4)
| ! [X5] :
( ~ ssList(X5)
| ! [X6] :
( ~ ssList(X6)
| app(app(X4,X5),X6) != X0
| app(X4,X6) != X1 ) ) )
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(flattening,[],[f98]) ).
fof(f100,plain,
! [X0] :
( app(X0,nil) = X0
| ~ ssList(X0) ),
inference(ennf_transformation,[],[f84]) ).
fof(f118,plain,
( sK1 = sK3
& sK0 = sK2
& sK2 = sK3
& ! [X4] :
( ~ ssList(X4)
| ! [X5] :
( ~ ssList(X5)
| ! [X6] :
( ~ ssList(X6)
| app(app(X4,X5),X6) != sK0
| app(X4,X6) != sK1 ) ) )
& ssList(sK3)
& ssList(sK2)
& ssList(sK1)
& ssList(sK0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f99]) ).
fof(f126,plain,
ssList(sK3),
inference(cnf_transformation,[],[f118]) ).
fof(f127,plain,
! [X6,X4,X5] :
( ~ ssList(X4)
| ~ ssList(X5)
| ~ ssList(X6)
| app(app(X4,X5),X6) != sK0
| app(X4,X6) != sK1 ),
inference(cnf_transformation,[],[f118]) ).
fof(f128,plain,
sK2 = sK3,
inference(cnf_transformation,[],[f118]) ).
fof(f129,plain,
sK0 = sK2,
inference(cnf_transformation,[],[f118]) ).
fof(f130,plain,
sK1 = sK3,
inference(cnf_transformation,[],[f118]) ).
fof(f131,plain,
! [X0] :
( app(X0,nil) = X0
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f100]) ).
fof(f142,plain,
ssList(nil),
inference(cnf_transformation,[],[f17]) ).
fof(f154,plain,
sK0 = sK3,
inference(definition_unfolding,[],[f129,f128]) ).
fof(f155,plain,
! [X6,X4,X5] :
( app(app(X4,X5),X6) != sK3
| ~ ssList(X5)
| ~ ssList(X6)
| ~ ssList(X4)
| app(X4,X6) != sK3 ),
inference(definition_unfolding,[],[f127,f154,f130]) ).
fof(f162,plain,
! [X0,X1] :
( app(X0,X1) != sK3
| ~ ssList(nil)
| ~ ssList(X1)
| ~ ssList(X0)
| app(X0,X1) != sK3
| ~ ssList(X0) ),
inference(superposition,[],[f155,f131]) ).
fof(f164,plain,
! [X0,X1] :
( app(X0,X1) != sK3
| ~ ssList(nil)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(duplicate_literal_removal,[],[f162]) ).
fof(f166,plain,
! [X0,X1] :
( app(X0,X1) != sK3
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(forward_subsumption_resolution,[],[f164,f142]) ).
fof(f167,plain,
! [X0] :
( sK3 != X0
| ~ ssList(nil)
| ~ ssList(X0)
| ~ ssList(X0) ),
inference(superposition,[],[f166,f131]) ).
fof(f168,plain,
! [X0] :
( sK3 != X0
| ~ ssList(nil)
| ~ ssList(X0) ),
inference(duplicate_literal_removal,[],[f167]) ).
fof(f169,plain,
! [X0] :
( sK3 != X0
| ~ ssList(X0) ),
inference(forward_subsumption_resolution,[],[f168,f142]) ).
fof(f175,plain,
~ ssList(sK3),
inference(equality_resolution,[],[f169]) ).
fof(f176,plain,
$false,
inference(forward_subsumption_resolution,[],[f175,f126]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC094+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.39 % Computer : n009.cluster.edu
% 0.12/0.39 % Model : x86_64 x86_64
% 0.12/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39 % Memory : 8046.5625MB
% 0.12/0.39 % OS : Linux 6.8.0-71-generic
% 0.12/0.39 % CPULimit : 300
% 0.12/0.39 % WCLimit : 300
% 0.12/0.39 % DateTime : Mon Sep 28 07:51:56 UTC 2026
% 0.12/0.40 % CPUTime :
% 0.12/0.40 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.42 Running first-order theorem proving
% 0.12/0.42 Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.66/1.36 % (2871538)Detected formulas, will run a generic FOF schedule.
% 2.66/1.36 % (2871547)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=3376216498:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.66/1.36 % (2871547)First to succeed.
% 2.66/1.36 % (2871547)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-2871538"
% 2.66/1.36 % (2871544)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=2984251348:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.66/1.36 % (2871545)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=2670594726:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.66/1.36 % (2871543)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=1137824422:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.66/1.36 % (2871546)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1419868087:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.66/1.36 % (2871549)dis-21_1_sil=8000:lcm=predicate:random_seed=3458116494:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 2.66/1.36 % (2871548)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3003540689:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.66/1.36 % (2871548)Also succeeded, but the first one will report.
% 2.66/1.36 % (2871546)Instruction limit reached!
% 2.66/1.36 % (2871546)------------------------------
% 2.66/1.36 % (2871546)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.66/1.36 % (2871546)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/1.36 % (2871546)CaDiCaL version: 2.1.3
% 2.66/1.36 % (2871546)Termination reason: Instruction limit
% 2.66/1.36 % (2871546)Termination phase: Saturation
% 2.66/1.36 % (2871546)Time elapsed: 0.061 s
% 2.66/1.36 % (2871546)Peak memory usage: 89 MB
% 2.66/1.36 % (2871546)Instructions burned: 111 (million)
% 2.66/1.36 % (2871549)Instruction limit reached!
% 2.66/1.36 % (2871549)------------------------------
% 2.66/1.36 % (2871549)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.66/1.36 % (2871549)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/1.36 % (2871549)CaDiCaL version: 2.1.3
% 2.66/1.36 % (2871549)Termination reason: Instruction limit
% 2.66/1.36 % (2871549)Termination phase: Saturation
% 2.66/1.36 % (2871549)Time elapsed: 0.073 s
% 2.66/1.36 % (2871549)Peak memory usage: 90 MB
% 2.66/1.36 % (2871549)Instructions burned: 131 (million)
% 2.66/1.36 % (2871547)Refutation found. Thanks to Tanya!
% 2.66/1.36 % SZS status Theorem for theBenchmark
% 2.66/1.36 % SZS output start Proof for theBenchmark
% See solution above
% 2.66/1.36 % (2871547)------------------------------
% 2.66/1.36 % (2871547)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.66/1.36 % (2871547)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.66/1.36 % (2871547)CaDiCaL version: 2.1.3
% 2.66/1.36 % (2871547)Termination reason: Refutation
% 2.66/1.36 % (2871547)Time elapsed: 0.002 s
% 2.66/1.36 % (2871547)Peak memory usage: 88 MB
% 2.66/1.36 % (2871547)Instructions burned: 2 (million)
% 2.66/1.36 % (2871547)------------------------------
% 2.66/1.36 % (2871547)------------------------------
% 2.66/1.36 % (2871538)Success in time 0.295 s
% 2.66/1.36 % Vampire exiting
%------------------------------------------------------------------------------