%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : NLP147-1 : 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 : n012.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 12:07:37 PM UTC 2026
% Result : Unsatisfiable 1.98s 0.87s
% Output : Refutation 1.98s
% Verified :
% SZS Type : Refutation
% Derivation depth : 14
% Number of leaves : 18
% Syntax : Number of formulae : 46 ( 11 unt; 2 def)
% Number of atoms : 81 ( 4 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 76 ( 41 ~; 33 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 17 ( 15 usr; 3 prp; 0-4 aty)
% Number of functors : 6 ( 6 usr; 2 con; 0-2 aty)
% Number of variables : 42 ( 0 sgn 42 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( ~ fellow(X0,X1)
| man(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).
fof(f14,axiom,
! [X0,X1] :
( ~ man(X0,X1)
| male(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause14) ).
fof(f30,axiom,
! [X0,X1] :
( ~ instrumentality(X0,X1)
| artifact(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause30) ).
fof(f31,axiom,
! [X0,X1] :
( ~ artifact(X0,X1)
| object(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause31) ).
fof(f35,axiom,
! [X0,X1] :
( ~ object(X0,X1)
| unisex(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause35) ).
fof(f48,axiom,
! [X0,X1] :
( ~ frontseat(X0,X1)
| seat(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause48) ).
fof(f49,axiom,
! [X0,X1] :
( ~ seat(X0,X1)
| furniture(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause49) ).
fof(f50,axiom,
! [X0,X1] :
( ~ furniture(X0,X1)
| instrumentality(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause50) ).
fof(f52,axiom,
! [X0,X1] :
( ~ unisex(X0,X1)
| ~ male(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause52) ).
fof(f59,axiom,
! [X2,X3,X0,X1] :
( ~ be(X0,X1,X2,X3)
| X2 = X3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause59) ).
fof(f60,axiom,
! [X0,X1] :
( member(X0,skf10(X1,X0),X1)
| ~ two(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause60) ).
fof(f61,axiom,
! [X0,X1] :
( member(X0,skf8(X1,X0),X1)
| ~ two(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause61) ).
fof(f79,negated_conjecture,
two(skc6,skc7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause77) ).
fof(f90,negated_conjecture,
! [X0] :
( ~ member(skc6,X0,skc7)
| fellow(skc6,X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause88) ).
fof(f91,negated_conjecture,
! [X0,X1] :
( ~ member(skc6,X0,skc7)
| frontseat(skc6,skf5(X1)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause89) ).
fof(f94,negated_conjecture,
! [X0] :
( be(skc6,skf6(X0),X0,skf5(X0))
| ~ member(skc6,X0,skc7) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause92) ).
fof(f99,definition,
( spl0_2
<=> ! [X0] : ~ member(skc6,X0,skc7) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f100,plain,
( ! [X0] : ~ member(skc6,X0,skc7)
| ~ spl0_2 ),
inference(avatar_component_clause,[],[f99]) ).
fof(f103,definition,
( spl0_3
<=> ! [X1] : frontseat(skc6,skf5(X1)) ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f104,plain,
( ! [X1] : frontseat(skc6,skf5(X1))
| ~ spl0_3 ),
inference(avatar_component_clause,[],[f103]) ).
fof(f105,plain,
( spl0_3
| spl0_2 ),
inference(avatar_split_clause,[],[f91,f99,f103]) ).
fof(f140,plain,
! [X0] :
( ~ member(skc6,X0,skc7)
| skf5(X0) = X0 ),
inference(resolution,[],[f59,f94]) ).
fof(f144,plain,
( ~ two(skc6,skc7)
| ~ spl0_2 ),
inference(resolution,[],[f60,f100]) ).
fof(f145,plain,
( $false
| ~ spl0_2 ),
inference(forward_subsumption_resolution,[],[f144,f79]) ).
fof(f146,plain,
~ spl0_2,
inference(avatar_contradiction_clause,[],[f145]) ).
fof(f152,plain,
( ! [X0] : seat(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f104,f48]) ).
fof(f153,plain,
( ~ two(skc6,skc7)
| fellow(skc6,skf8(skc7,skc6)) ),
inference(resolution,[],[f61,f90]) ).
fof(f156,plain,
fellow(skc6,skf8(skc7,skc6)),
inference(forward_subsumption_resolution,[],[f153,f79]) ).
fof(f172,plain,
( ! [X0] : furniture(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f152,f49]) ).
fof(f179,plain,
( ! [X0] : instrumentality(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f172,f50]) ).
fof(f180,plain,
man(skc6,skf8(skc7,skc6)),
inference(resolution,[],[f156,f2]) ).
fof(f182,plain,
( skf8(skc7,skc6) = skf5(skf8(skc7,skc6))
| ~ two(skc6,skc7) ),
inference(resolution,[],[f140,f61]) ).
fof(f184,plain,
skf8(skc7,skc6) = skf5(skf8(skc7,skc6)),
inference(forward_subsumption_resolution,[],[f182,f79]) ).
fof(f187,plain,
( ! [X0] : artifact(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f179,f30]) ).
fof(f190,plain,
( ! [X0] : object(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f187,f31]) ).
fof(f191,plain,
( ! [X0] : unisex(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f190,f35]) ).
fof(f193,plain,
male(skc6,skf8(skc7,skc6)),
inference(resolution,[],[f180,f14]) ).
fof(f195,plain,
( ! [X0] : ~ male(skc6,skf5(X0))
| ~ spl0_3 ),
inference(resolution,[],[f191,f52]) ).
fof(f234,plain,
( ~ male(skc6,skf8(skc7,skc6))
| ~ spl0_3 ),
inference(superposition,[],[f195,f184]) ).
fof(f238,plain,
( $false
| ~ spl0_3 ),
inference(forward_subsumption_resolution,[],[f234,f193]) ).
fof(f239,plain,
~ spl0_3,
inference(avatar_contradiction_clause,[],[f238]) ).
cnf(s2,plain,
( spl0_2
| spl0_3 ),
inference(sat_conversion,[],[f105]) ).
cnf(s3,plain,
~ spl0_2,
inference(sat_conversion,[],[f146]) ).
cnf(s7,plain,
~ spl0_3,
inference(sat_conversion,[],[f239]) ).
cnf(s8,plain,
$false,
inference(rat,[],[s2,s7,s3]) ).
fof(f240,plain,
$false,
inference(avatar_sat_refutation,[],[s8]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : NLP147-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.02 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.03/0.30 % Computer : n012.cluster.edu
% 0.03/0.30 % Model : x86_64 x86_64
% 0.03/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.30 % Memory : 8046.5625MB
% 0.03/0.30 % OS : Linux 6.8.0-71-generic
% 0.03/0.30 % CPULimit : 300
% 0.03/0.30 % WCLimit : 300
% 0.03/0.30 % DateTime : Sun Sep 27 18:10:19 UTC 2026
% 0.03/0.31 % CPUTime :
% 0.03/0.31 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.06/0.33 Running first-order theorem proving
% 0.06/0.33 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
% 1.98/0.87 % (2642280)Input is clausal, will run a generic CNF schedule.
% 1.98/0.87 % (2642287)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=611420657:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 1.98/0.87 % (2642286)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=2546970044:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 1.98/0.87 % (2642285)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=3561112300:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 1.98/0.87 % (2642288)lrs+10_1_sil=8000:sp=occurrence:random_seed=3835543269:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 1.98/0.87 % (2642291)dis-21_1_sil=8000:lcm=predicate:random_seed=3088020719: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)
% 1.98/0.87 % (2642289)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=2929172542:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 1.98/0.87 % (2642290)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3864410884:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 1.98/0.87 % (2642289)Refutation not found, incomplete strategy
% 1.98/0.87 % (2642289)------------------------------
% 1.98/0.87 % (2642289)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 1.98/0.87 % (2642289)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.98/0.87 % (2642289)CaDiCaL version: 2.1.3
% 1.98/0.87 % (2642289)Termination reason: Refutation not found, incomplete strategy
% 1.98/0.87 % (2642289)Time elapsed: 0.001 s
% 1.98/0.87 % (2642289)Peak memory usage: 88 MB
% 1.98/0.87 % (2642289)Instructions burned: 2 (million)
% 1.98/0.87 % (2642288)First to succeed.
% 1.98/0.87 % (2642288)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2642280"
% 1.98/0.87 % (2642290)Also succeeded, but the first one will report.
% 1.98/0.87 % (2642291)Instruction limit reached!
% 1.98/0.87 % (2642291)------------------------------
% 1.98/0.87 % (2642291)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 1.98/0.87 % (2642291)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.98/0.87 % (2642291)CaDiCaL version: 2.1.3
% 1.98/0.87 % (2642291)Termination reason: Instruction limit
% 1.98/0.87 % (2642291)Termination phase: Saturation
% 1.98/0.87 % (2642291)Time elapsed: 0.032 s
% 1.98/0.87 % (2642291)Peak memory usage: 88 MB
% 1.98/0.87 % (2642291)Instructions burned: 120 (million)
% 1.98/0.87 % (2642299)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=1889761043:i=143:sd=2:aac=none:ss=axioms:sgt=16_2998 on theBenchmark for (2998ds/143Mi)
% 1.98/0.87 % (2642299)Refutation not found, incomplete strategy
% 1.98/0.87 % (2642299)------------------------------
% 1.98/0.87 % (2642299)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 1.98/0.87 % (2642299)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.98/0.87 % (2642299)CaDiCaL version: 2.1.3
% 1.98/0.87 % (2642299)Termination reason: Refutation not found, incomplete strategy
% 1.98/0.87 % (2642299)Time elapsed: 0.002 s
% 1.98/0.87 % (2642299)Peak memory usage: 88 MB
% 1.98/0.87 % (2642299)Instructions burned: 3 (million)
% 1.98/0.87 % (2642289)------------------------------
% 1.98/0.87 % (2642289)------------------------------
% 1.98/0.87 % (2642288)Refutation found. Thanks to Tanya!
% 1.98/0.87 % SZS status Unsatisfiable for theBenchmark
% 1.98/0.87 % SZS output start Proof for theBenchmark
% See solution above
% 1.98/0.87 % (2642288)------------------------------
% 1.98/0.87 % (2642288)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 1.98/0.87 % (2642288)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 1.98/0.87 % (2642288)CaDiCaL version: 2.1.3
% 1.98/0.87 % (2642288)Termination reason: Refutation
% 1.98/0.87 % (2642288)Time elapsed: 0.003 s
% 1.98/0.87 % (2642288)Peak memory usage: 89 MB
% 1.98/0.87 % (2642288)Instructions burned: 6 (million)
% 1.98/0.87 % (2642288)------------------------------
% 1.98/0.87 % (2642288)------------------------------
% 1.98/0.87 % (2642280)Success in time 0.259 s
% 1.98/0.87 % Vampire exiting
%------------------------------------------------------------------------------