%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC189+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 : n019.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 01:02:52 PM UTC 2026
% Result : Theorem 5.82s 1.97s
% Output : Refutation 5.82s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 1
% Syntax : Number of formulae : 21 ( 10 unt; 0 def)
% Number of atoms : 126 ( 42 equ)
% Maximal formula atoms : 18 ( 6 avg)
% Number of connectives : 154 ( 49 ~; 43 |; 46 &)
% ( 0 <=>; 16 =>; 0 <=; 0 <~>)
% Maximal formula depth : 22 ( 7 avg)
% Maximal term depth : 5 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 11 ( 11 usr; 9 con; 0-2 aty)
% Number of variables : 56 ( 32 !; 24 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f96,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( X1 != X3
| X0 != X2
| ? [X4] :
( ssItem(X4)
& ? [X5] :
( ssItem(X5)
& ? [X6] :
( ssList(X6)
& ? [X7] :
( ssList(X7)
& X4 != X5
& app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) = X2 ) ) ) )
| ! [X8] :
( ssItem(X8)
=> ! [X9] :
( ssItem(X9)
=> ! [X10] :
( ssList(X10)
=> ! [X11] :
( ssList(X11)
=> ( app(app(app(X10,cons(X8,nil)),cons(X9,nil)),X11) != X0
| X8 = X9 ) ) ) ) ) ) ) ) ) ),
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
| ? [X4] :
( ssItem(X4)
& ? [X5] :
( ssItem(X5)
& ? [X6] :
( ssList(X6)
& ? [X7] :
( ssList(X7)
& X4 != X5
& app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) = X2 ) ) ) )
| ! [X8] :
( ssItem(X8)
=> ! [X9] :
( ssItem(X9)
=> ! [X10] :
( ssList(X10)
=> ! [X11] :
( ssList(X11)
=> ( app(app(app(X10,cons(X8,nil)),cons(X9,nil)),X11) != X0
| X8 = X9 ) ) ) ) ) ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f96]) ).
fof(f98,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& ! [X4] :
( ~ ssItem(X4)
| ! [X5] :
( ~ ssItem(X5)
| ! [X6] :
( ~ ssList(X6)
| ! [X7] :
( ~ ssList(X7)
| X4 = X5
| app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != X2 ) ) ) )
& ? [X8] :
( ? [X9] :
( ? [X10] :
( ? [X11] :
( app(app(app(X10,cons(X8,nil)),cons(X9,nil)),X11) = X0
& X8 != X9
& ssList(X11) )
& ssList(X10) )
& ssItem(X9) )
& ssItem(X8) )
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(ennf_transformation,[],[f97]) ).
fof(f99,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& ! [X4] :
( ~ ssItem(X4)
| ! [X5] :
( ~ ssItem(X5)
| ! [X6] :
( ~ ssList(X6)
| ! [X7] :
( ~ ssList(X7)
| X4 = X5
| app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != X2 ) ) ) )
& ? [X8] :
( ? [X9] :
( ? [X10] :
( ? [X11] :
( app(app(app(X10,cons(X8,nil)),cons(X9,nil)),X11) = X0
& X8 != X9
& ssList(X11) )
& ssList(X10) )
& ssItem(X9) )
& ssItem(X8) )
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(flattening,[],[f98]) ).
fof(f118,plain,
( sK1 = sK3
& sK0 = sK2
& ! [X4] :
( ~ ssItem(X4)
| ! [X5] :
( ~ ssItem(X5)
| ! [X6] :
( ~ ssList(X6)
| ! [X7] :
( ~ ssList(X7)
| X4 = X5
| app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != sK2 ) ) ) )
& sK0 = app(app(app(sK6,cons(sK4,nil)),cons(sK5,nil)),sK7)
& sK4 != sK5
& ssList(sK7)
& ssList(sK6)
& ssItem(sK5)
& ssItem(sK4)
& ssList(sK3)
& ssList(sK2)
& ssList(sK1)
& ssList(sK0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6,sK7]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3),skolemize(X8,sK4),skolemize(X9,sK5),skolemize(X10,sK6),skolemize(X11,sK7)],[f99]) ).
fof(f127,plain,
ssItem(sK4),
inference(cnf_transformation,[],[f118]) ).
fof(f128,plain,
ssItem(sK5),
inference(cnf_transformation,[],[f118]) ).
fof(f129,plain,
ssList(sK6),
inference(cnf_transformation,[],[f118]) ).
fof(f130,plain,
ssList(sK7),
inference(cnf_transformation,[],[f118]) ).
fof(f131,plain,
sK4 != sK5,
inference(cnf_transformation,[],[f118]) ).
fof(f132,plain,
sK0 = app(app(app(sK6,cons(sK4,nil)),cons(sK5,nil)),sK7),
inference(cnf_transformation,[],[f118]) ).
fof(f133,plain,
! [X6,X7,X4,X5] :
( app(app(app(X6,cons(X4,nil)),cons(X5,nil)),X7) != sK2
| ~ ssItem(X5)
| ~ ssList(X6)
| ~ ssList(X7)
| X4 = X5
| ~ ssItem(X4) ),
inference(cnf_transformation,[],[f118]) ).
fof(f134,plain,
sK0 = sK2,
inference(cnf_transformation,[],[f118]) ).
fof(f159,plain,
sK2 = app(app(app(sK6,cons(sK4,nil)),cons(sK5,nil)),sK7),
inference(definition_unfolding,[],[f132,f134]) ).
fof(f165,plain,
( sK2 != sK2
| ~ ssItem(sK5)
| ~ ssList(sK6)
| ~ ssList(sK7)
| sK4 = sK5
| ~ ssItem(sK4) ),
inference(superposition,[],[f133,f159]) ).
fof(f166,plain,
( ~ ssItem(sK5)
| ~ ssList(sK6)
| ~ ssList(sK7)
| sK4 = sK5
| ~ ssItem(sK4) ),
inference(trivial_inequality_removal,[],[f165]) ).
fof(f167,plain,
( ~ ssList(sK6)
| ~ ssList(sK7)
| sK4 = sK5
| ~ ssItem(sK4) ),
inference(forward_subsumption_resolution,[],[f166,f128]) ).
fof(f168,plain,
( ~ ssList(sK7)
| sK4 = sK5
| ~ ssItem(sK4) ),
inference(forward_subsumption_resolution,[],[f167,f129]) ).
fof(f169,plain,
( sK4 = sK5
| ~ ssItem(sK4) ),
inference(forward_subsumption_resolution,[],[f168,f130]) ).
fof(f170,plain,
~ ssItem(sK4),
inference(forward_subsumption_resolution,[],[f169,f131]) ).
fof(f171,plain,
$false,
inference(forward_subsumption_resolution,[],[f170,f127]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC189+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.16/0.41 % Computer : n019.cluster.edu
% 0.16/0.41 % Model : x86_64 x86_64
% 0.16/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.41 % Memory : 8046.5625MB
% 0.16/0.41 % OS : Linux 6.8.0-71-generic
% 0.16/0.41 % CPULimit : 300
% 0.16/0.41 % WCLimit : 300
% 0.16/0.41 % DateTime : Mon Sep 28 08:21:48 UTC 2026
% 0.16/0.41 % CPUTime :
% 0.16/0.41 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.16/0.47 Running first-order theorem proving
% 0.16/0.47 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
% 5.82/1.97 % (3850885)Detected formulas, will run a generic FOF schedule.
% 5.82/1.97 % (3850892)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=163661360:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 5.82/1.97 % (3850893)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=2984544004:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 5.82/1.97 % (3850894)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=1112075006:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 5.82/1.97 % (3850897)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=1827275409:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 5.82/1.97 % (3850896)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=2971021111:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 5.82/1.97 % (3850896)First to succeed.
% 5.82/1.97 % (3850896)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3850885"
% 5.82/1.97 % (3850897)Also succeeded, but the first one will report.
% 5.82/1.97 % (3850895)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=43575365:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 5.82/1.97 % (3850895)Also succeeded, but the first one will report.
% 5.82/1.97 % (3850898)dis-21_1_sil=8000:lcm=predicate:random_seed=2382432876: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)
% 5.82/1.97 % (3850898)Also succeeded, but the first one will report.
% 5.82/1.97 % (3850896)Refutation found. Thanks to Tanya!
% 5.82/1.97 % SZS status Theorem for theBenchmark
% 5.82/1.97 % SZS output start Proof for theBenchmark
% See solution above
% 5.82/1.97 % (3850896)------------------------------
% 5.82/1.97 % (3850896)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.82/1.97 % (3850896)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.82/1.97 % (3850896)CaDiCaL version: 2.1.3
% 5.82/1.97 % (3850896)Termination reason: Refutation
% 5.82/1.97 % (3850896)Time elapsed: 0.005 s
% 5.82/1.97 % (3850896)Peak memory usage: 88 MB
% 5.82/1.97 % (3850896)Instructions burned: 3 (million)
% 5.82/1.97 % (3850896)------------------------------
% 5.82/1.97 % (3850896)------------------------------
% 5.82/1.97 % (3850885)Success in time 0.724 s
% 5.82/1.97 % Vampire exiting
%------------------------------------------------------------------------------