%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC399-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n010.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 01:03:49 PM UTC 2026
% Result : Unsatisfiable 3.58s 1.26s
% Output : Refutation 3.58s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 14
% Syntax : Number of formulae : 39 ( 18 unt; 2 def)
% Number of atoms : 92 ( 4 equ)
% Maximal formula atoms : 7 ( 2 avg)
% Number of connectives : 109 ( 56 ~; 51 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 7 ( 5 usr; 3 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 7 con; 0-2 aty)
% Number of variables : 16 ( 0 sgn 16 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f85,axiom,
! [X0,X1] :
( ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause85) ).
fof(f151,axiom,
! [X2,X0,X1] :
( memberP(app(X0,X2),X1)
| ~ ssList(X2)
| ~ ssList(X0)
| ~ ssItem(X1)
| ~ memberP(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause140) ).
fof(f152,axiom,
! [X2,X0,X1] :
( memberP(app(X2,X0),X1)
| ~ ssList(X0)
| ~ ssList(X2)
| ~ ssItem(X1)
| ~ memberP(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause141) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_3) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
ssList(sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
ssList(sk6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
app(app(sk5,sk3),sk6) = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f209,plain,
sk4 = app(app(sk5,sk3),sk6),
inference(reorient_equations,[],[f208]) ).
fof(f215,negated_conjecture,
ssItem(sk7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_13) ).
fof(f216,negated_conjecture,
memberP(sk1,sk7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f217,negated_conjecture,
~ memberP(sk2,sk7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).
fof(f221,plain,
memberP(sk3,sk7),
inference(definition_unfolding,[],[f216,f205]) ).
fof(f222,plain,
~ memberP(sk4,sk7),
inference(definition_unfolding,[],[f217,f204]) ).
fof(f271,definition,
( spl0_6
<=> ssList(app(sk5,sk3)) ),
introduced(definition,[new_symbols(definition,[spl0_6])],[avatar_definition]) ).
fof(f272,plain,
( ~ ssList(app(sk5,sk3))
| spl0_6 ),
inference(avatar_component_clause,[],[f271]) ).
fof(f302,plain,
! [X0] :
( memberP(sk4,X0)
| ~ ssList(sk6)
| ~ ssList(app(sk5,sk3))
| ~ ssItem(X0)
| ~ memberP(app(sk5,sk3),X0) ),
inference(superposition,[],[f151,f209]) ).
fof(f307,plain,
! [X0] :
( memberP(sk4,X0)
| ~ ssList(app(sk5,sk3))
| ~ ssItem(X0)
| ~ memberP(app(sk5,sk3),X0) ),
inference(forward_subsumption_resolution,[],[f302,f207]) ).
fof(f309,definition,
( spl0_7
<=> ! [X0] :
( memberP(sk4,X0)
| ~ memberP(app(sk5,sk3),X0)
| ~ ssItem(X0) ) ),
introduced(definition,[new_symbols(definition,[spl0_7])],[avatar_definition]) ).
fof(f310,plain,
( ! [X0] :
( ~ memberP(app(sk5,sk3),X0)
| memberP(sk4,X0)
| ~ ssItem(X0) )
| ~ spl0_7 ),
inference(avatar_component_clause,[],[f309]) ).
fof(f311,plain,
( ~ spl0_6
| spl0_7 ),
inference(avatar_split_clause,[],[f307,f309,f271]) ).
fof(f312,plain,
( ~ ssList(sk5)
| ~ ssList(sk3)
| spl0_6 ),
inference(resolution,[],[f272,f85]) ).
fof(f313,plain,
( ~ ssList(sk3)
| spl0_6 ),
inference(forward_subsumption_resolution,[],[f312,f206]) ).
fof(f314,plain,
( $false
| spl0_6 ),
inference(forward_subsumption_resolution,[],[f313,f202]) ).
fof(f315,plain,
spl0_6,
inference(avatar_contradiction_clause,[],[f314]) ).
fof(f398,plain,
( ! [X0] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ ssList(sk3)
| ~ ssList(sk5)
| ~ ssItem(X0)
| ~ memberP(sk3,X0) )
| ~ spl0_7 ),
inference(resolution,[],[f310,f152]) ).
fof(f401,plain,
( ! [X0] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ ssList(sk3)
| ~ ssList(sk5)
| ~ memberP(sk3,X0) )
| ~ spl0_7 ),
inference(duplicate_literal_removal,[],[f398]) ).
fof(f403,plain,
( ! [X0] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ ssList(sk5)
| ~ memberP(sk3,X0) )
| ~ spl0_7 ),
inference(forward_subsumption_resolution,[],[f401,f202]) ).
fof(f405,plain,
( ! [X0] :
( memberP(sk4,X0)
| ~ ssItem(X0)
| ~ memberP(sk3,X0) )
| ~ spl0_7 ),
inference(forward_subsumption_resolution,[],[f403,f206]) ).
fof(f617,plain,
( ~ ssItem(sk7)
| ~ memberP(sk3,sk7)
| ~ spl0_7 ),
inference(resolution,[],[f405,f222]) ).
fof(f618,plain,
( ~ memberP(sk3,sk7)
| ~ spl0_7 ),
inference(forward_subsumption_resolution,[],[f617,f215]) ).
fof(f619,plain,
( $false
| ~ spl0_7 ),
inference(forward_subsumption_resolution,[],[f618,f221]) ).
fof(f620,plain,
~ spl0_7,
inference(avatar_contradiction_clause,[],[f619]) ).
cnf(s5,plain,
( ~ spl0_6
| spl0_7 ),
inference(sat_conversion,[],[f311]) ).
cnf(s6,plain,
spl0_6,
inference(sat_conversion,[],[f315]) ).
cnf(s26,plain,
~ spl0_7,
inference(sat_conversion,[],[f620]) ).
cnf(s40,plain,
$false,
inference(rat,[],[s5,s26,s6]) ).
fof(f621,plain,
$false,
inference(avatar_sat_refutation,[],[s40]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC399-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.17 % Computer : n010.cluster.edu
% 0.07/0.17 % Model : x86_64 x86_64
% 0.07/0.17 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.17 % Memory : 8046.5625MB
% 0.07/0.17 % OS : Linux 6.8.0-71-generic
% 0.07/0.17 % CPULimit : 300
% 0.07/0.17 % WCLimit : 300
% 0.07/0.17 % DateTime : Mon Sep 28 09:30:58 UTC 2026
% 0.07/0.17 % CPUTime :
% 0.07/0.17 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.07/0.20 Running first-order theorem proving
% 0.07/0.20 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
% 3.58/1.26 % (1797783)Input is clausal, will run a generic CNF schedule.
% 3.58/1.26 % (1797794)dis-21_1_sil=8000:lcm=predicate:random_seed=4189491345:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 3.58/1.26 % (1797794)Instruction limit reached!
% 3.58/1.26 % (1797794)------------------------------
% 3.58/1.26 % (1797794)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.58/1.26 % (1797794)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.58/1.26 % (1797794)CaDiCaL version: 2.1.3
% 3.58/1.26 % (1797794)Termination reason: Instruction limit
% 3.58/1.26 % (1797794)Termination phase: Saturation
% 3.58/1.26 % (1797794)Time elapsed: 0.030 s
% 3.58/1.26 % (1797794)Peak memory usage: 89 MB
% 3.58/1.26 % (1797794)Instructions burned: 120 (million)
% 3.58/1.26 % (1797793)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3648745900:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 3.58/1.26 % (1797791)lrs+10_1_sil=8000:sp=occurrence:random_seed=24610827:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 3.58/1.26 % (1797789)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=1479549991:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 3.58/1.26 % (1797792)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=3251772874:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 3.58/1.26 % (1797788)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=777943007:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 3.58/1.26 % (1797790)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=3696739986:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 3.58/1.26 % (1797792)First to succeed.
% 3.58/1.26 % (1797792)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-1797783"
% 3.58/1.26 % (1797791)Also succeeded, but the first one will report.
% 3.58/1.26 % (1797796)dis+1010_3_sil=8000:plsq=on:drc=off:fde=none:plsqc=1:bsd=on:plsqr=7,2:sos=on:spb=goal_then_units:random_seed=2231460900:i=143:sd=2:aac=none:ss=axioms:sgt=16_2998 on theBenchmark for (2998ds/143Mi)
% 3.58/1.26 % (1797796)Also succeeded, but the first one will report.
% 3.58/1.26 % (1797793)Instruction limit reached!
% 3.58/1.26 % (1797793)------------------------------
% 3.58/1.26 % (1797793)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.58/1.26 % (1797793)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.58/1.26 % (1797793)CaDiCaL version: 2.1.3
% 3.58/1.26 % (1797793)Termination reason: Instruction limit
% 3.58/1.26 % (1797793)Termination phase: Saturation
% 3.58/1.26 % (1797793)Time elapsed: 0.123 s
% 3.58/1.26 % (1797793)Peak memory usage: 90 MB
% 3.58/1.26 % (1797793)Instructions burned: 180 (million)
% 3.58/1.26 % (1797804)ott-1010_1_to=lpo:sil=16000:sos=on:spb=units:urr=on:bce=on:br=off:random_seed=4276829483:st=3:avsq=on:s2a=on:i=189:s2at=1.2:avsqr=1,16:sd=2:bd=all:nm=64:ss=axioms:sgt=30_2997 on theBenchmark for (2997ds/189Mi)
% 3.58/1.26 % (1797792)Refutation found. Thanks to Tanya!
% 3.58/1.26 % SZS status Unsatisfiable for theBenchmark
% 3.58/1.26 % SZS output start Proof for theBenchmark
% See solution above
% 3.58/1.26 % (1797792)------------------------------
% 3.58/1.26 % (1797792)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.58/1.26 % (1797792)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.58/1.26 % (1797792)CaDiCaL version: 2.1.3
% 3.58/1.26 % (1797792)Termination reason: Refutation
% 3.58/1.26 % (1797792)Time elapsed: 0.014 s
% 3.58/1.26 % (1797792)Peak memory usage: 90 MB
% 3.58/1.26 % (1797792)Instructions burned: 18 (million)
% 3.58/1.26 % (1797792)------------------------------
% 3.58/1.26 % (1797792)------------------------------
% 3.58/1.26 % (1797783)Success in time 0.423 s
% 3.58/1.26 % Vampire exiting
%------------------------------------------------------------------------------