%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : GEO210+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n016.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 09:52:01 AM UTC 2026
% Result : Theorem 3.50s 1.43s
% Output : Refutation 3.50s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 6
% Syntax : Number of formulae : 34 ( 14 unt; 2 def)
% Number of atoms : 77 ( 0 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 75 ( 32 ~; 30 |; 8 &)
% ( 2 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 6 ( 5 usr; 3 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 42 ( 0 sgn 36 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f18,axiom,
! [X0,X1] : ~ unorthogonal_lines(orthogonal_through_point(X1,X0),X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ooc1) ).
fof(f19,axiom,
! [X0,X1] : ~ apart_point_and_line(X0,orthogonal_through_point(X1,X0)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ooc2) ).
fof(f20,axiom,
! [X0,X1,X2,X3] :
( distinct_lines(X1,X2)
=> ( apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| unorthogonal_lines(X1,X3)
| unorthogonal_lines(X2,X3) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ouo1) ).
fof(f21,conjecture,
! [X0,X1,X2] :
( ( ~ apart_point_and_line(X0,X1)
& ~ unorthogonal_lines(X1,X2) )
=> ~ distinct_lines(X1,orthogonal_through_point(X2,X0)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).
fof(f22,negated_conjecture,
~ ! [X0,X1,X2] :
( ( ~ apart_point_and_line(X0,X1)
& ~ unorthogonal_lines(X1,X2) )
=> ~ distinct_lines(X1,orthogonal_through_point(X2,X0)) ),
inference(negated_conjecture,[status(cth)],[f21]) ).
fof(f23,plain,
? [X0,X1,X2] :
( distinct_lines(X1,orthogonal_through_point(X2,X0))
& ~ apart_point_and_line(X0,X1)
& ~ unorthogonal_lines(X1,X2) ),
inference(ennf_transformation,[],[f22]) ).
fof(f24,plain,
? [X0,X1,X2] :
( distinct_lines(X1,orthogonal_through_point(X2,X0))
& ~ apart_point_and_line(X0,X1)
& ~ unorthogonal_lines(X1,X2) ),
inference(flattening,[],[f23]) ).
fof(f25,plain,
! [X0,X1,X2,X3] :
( apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| unorthogonal_lines(X1,X3)
| unorthogonal_lines(X2,X3)
| ~ distinct_lines(X1,X2) ),
inference(ennf_transformation,[],[f20]) ).
fof(f26,plain,
! [X0,X1,X2,X3] :
( apart_point_and_line(X0,X1)
| apart_point_and_line(X0,X2)
| unorthogonal_lines(X1,X3)
| unorthogonal_lines(X2,X3)
| ~ distinct_lines(X1,X2) ),
inference(flattening,[],[f25]) ).
fof(f44,plain,
( distinct_lines(sK1,orthogonal_through_point(sK2,sK0))
& ~ apart_point_and_line(sK0,sK1)
& ~ unorthogonal_lines(sK1,sK2) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f24]) ).
fof(f45,plain,
~ unorthogonal_lines(sK1,sK2),
inference(cnf_transformation,[],[f44]) ).
fof(f46,plain,
~ apart_point_and_line(sK0,sK1),
inference(cnf_transformation,[],[f44]) ).
fof(f47,plain,
distinct_lines(sK1,orthogonal_through_point(sK2,sK0)),
inference(cnf_transformation,[],[f44]) ).
fof(f48,plain,
! [X2,X3,X0,X1] :
( ~ distinct_lines(X1,X2)
| apart_point_and_line(X0,X2)
| unorthogonal_lines(X1,X3)
| unorthogonal_lines(X2,X3)
| apart_point_and_line(X0,X1) ),
inference(cnf_transformation,[],[f26]) ).
fof(f55,plain,
! [X0,X1] : ~ apart_point_and_line(X0,orthogonal_through_point(X1,X0)),
inference(cnf_transformation,[],[f19]) ).
fof(f56,plain,
! [X0,X1] : ~ unorthogonal_lines(orthogonal_through_point(X1,X0),X1),
inference(cnf_transformation,[],[f18]) ).
fof(f89,definition,
( spl3_2
<=> ! [X0] :
( apart_point_and_line(X0,orthogonal_through_point(sK2,sK0))
| apart_point_and_line(X0,sK1) ) ),
introduced(definition,[new_symbols(definition,[spl3_2])],[avatar_definition]) ).
fof(f90,plain,
( ! [X0] :
( apart_point_and_line(X0,orthogonal_through_point(sK2,sK0))
| apart_point_and_line(X0,sK1) )
| ~ spl3_2 ),
inference(avatar_component_clause,[],[f89]) ).
fof(f92,plain,
( apart_point_and_line(sK0,sK1)
| ~ spl3_2 ),
inference(resolution,[],[f90,f55]) ).
fof(f93,plain,
( $false
| ~ spl3_2 ),
inference(resolution,[],[f92,f46]) ).
fof(f94,plain,
~ spl3_2,
inference(avatar_contradiction_clause,[],[f93]) ).
fof(f115,plain,
! [X0,X1] :
( apart_point_and_line(X0,orthogonal_through_point(sK2,sK0))
| unorthogonal_lines(sK1,X1)
| unorthogonal_lines(orthogonal_through_point(sK2,sK0),X1)
| apart_point_and_line(X0,sK1) ),
inference(resolution,[],[f48,f47]) ).
fof(f120,definition,
( spl3_3
<=> ! [X1] :
( unorthogonal_lines(sK1,X1)
| unorthogonal_lines(orthogonal_through_point(sK2,sK0),X1) ) ),
introduced(definition,[new_symbols(definition,[spl3_3])],[avatar_definition]) ).
fof(f121,plain,
( ! [X1] :
( unorthogonal_lines(orthogonal_through_point(sK2,sK0),X1)
| unorthogonal_lines(sK1,X1) )
| ~ spl3_3 ),
inference(avatar_component_clause,[],[f120]) ).
fof(f122,plain,
( spl3_3
| spl3_2 ),
inference(avatar_split_clause,[],[f115,f89,f120]) ).
fof(f123,plain,
( unorthogonal_lines(sK1,sK2)
| ~ spl3_3 ),
inference(resolution,[],[f121,f56]) ).
fof(f139,plain,
( $false
| ~ spl3_3 ),
inference(resolution,[],[f123,f45]) ).
fof(f141,plain,
~ spl3_3,
inference(avatar_contradiction_clause,[],[f139]) ).
cnf(s2,plain,
~ spl3_2,
inference(sat_conversion,[],[f94]) ).
cnf(s3,plain,
( spl3_2
| spl3_3 ),
inference(sat_conversion,[],[f122]) ).
cnf(s6,plain,
~ spl3_3,
inference(sat_conversion,[],[f141]) ).
cnf(s8,plain,
spl3_2,
inference(rat,[],[s3,s6]) ).
cnf(s9,plain,
$false,
inference(rat,[],[s2,s8]) ).
fof(f155,plain,
$false,
inference(avatar_sat_refutation,[],[s9]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : GEO210+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.36 % Computer : n016.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sun Sep 27 07:43:32 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.40 Running first-order theorem proving
% 0.09/0.40 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
% 3.50/1.43 % (2301481)Detected formulas, will run a generic FOF schedule.
% 3.50/1.43 % (2301487)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=2503595521:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 3.50/1.43 % (2301489)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1693226625:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 3.50/1.43 % (2301491)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=4244569776:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 3.50/1.43 % (2301490)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=2750574894:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 3.50/1.43 % (2301492)dis-21_1_sil=8000:lcm=predicate:random_seed=1234929639: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)
% 3.50/1.43 % (2301486)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=755427020:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 3.50/1.43 % (2301488)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=1238804787:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 3.50/1.43 % (2301492)First to succeed.
% 3.50/1.43 % (2301490)Also succeeded, but the first one will report.
% 3.50/1.43 % (2301492)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2301481"
% 3.50/1.43 % (2301491)Also succeeded, but the first one will report.
% 3.50/1.43 % (2301489)Instruction limit reached!
% 3.50/1.43 % (2301489)------------------------------
% 3.50/1.43 % (2301489)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.50/1.43 % (2301489)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.50/1.43 % (2301489)CaDiCaL version: 2.1.3
% 3.50/1.43 % (2301489)Termination reason: Instruction limit
% 3.50/1.43 % (2301489)Termination phase: Saturation
% 3.50/1.43 % (2301489)Time elapsed: 0.063 s
% 3.50/1.43 % (2301489)Peak memory usage: 88 MB
% 3.50/1.43 % (2301489)Instructions burned: 110 (million)
% 3.50/1.43 % (2301500)lrs+10_1_sil=8000:sp=occurrence:random_seed=3822986627:i=285:sd=3:ss=axioms:sgt=8_2997 on theBenchmark for (2997ds/285Mi)
% 3.50/1.43 % (2301500)Also succeeded, but the first one will report.
% 3.50/1.43 % (2301492)Refutation found. Thanks to Tanya!
% 3.50/1.43 % SZS status Theorem for theBenchmark
% 3.50/1.43 % SZS output start Proof for theBenchmark
% See solution above
% 3.50/1.43 % (2301492)------------------------------
% 3.50/1.43 % (2301492)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.50/1.43 % (2301492)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.50/1.43 % (2301492)CaDiCaL version: 2.1.3
% 3.50/1.43 % (2301492)Termination reason: Refutation
% 3.50/1.43 % (2301492)Time elapsed: 0.004 s
% 3.50/1.43 % (2301492)Peak memory usage: 89 MB
% 3.50/1.43 % (2301492)Instructions burned: 3 (million)
% 3.50/1.43 % (2301492)------------------------------
% 3.50/1.43 % (2301492)------------------------------
% 3.50/1.43 % (2301481)Success in time 0.409 s
% 3.50/1.43 % Vampire exiting
%------------------------------------------------------------------------------