%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : GEO203+3 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n026.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 09:51:59 AM UTC 2026
% Result : Theorem 2.56s 1.33s
% Output : Refutation 2.56s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 10
% Syntax : Number of formulae : 57 ( 15 unt; 4 def)
% Number of atoms : 134 ( 0 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 130 ( 53 ~; 51 |; 14 &)
% ( 5 <=>; 7 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 10 ( 9 usr; 5 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 56 ( 0 sgn 50 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f7,axiom,
! [X0,X1] :
( distinct_points(X0,X1)
=> ~ apart_point_and_line(X0,line_connecting(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ci1) ).
fof(f8,axiom,
! [X0,X1] :
( distinct_points(X0,X1)
=> ~ apart_point_and_line(X1,line_connecting(X0,X1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ci2) ).
fof(f9,axiom,
! [X0,X1] :
( convergent_lines(X0,X1)
=> ~ apart_point_and_line(intersection_point(X0,X1),X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ci3) ).
fof(f11,axiom,
! [X0,X1,X2,X3] :
( ( distinct_points(X0,X1)
& distinct_lines(X2,X3) )
=> ( apart_point_and_line(X0,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X1,X3) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cu1) ).
fof(f32,axiom,
! [X0,X1] :
( equal_lines(X0,X1)
<=> ~ distinct_lines(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax2) ).
fof(f36,conjecture,
! [X0,X1,X2] :
( ( convergent_lines(X0,X1)
& convergent_lines(X0,X2)
& distinct_points(intersection_point(X0,X1),intersection_point(X0,X2)) )
=> equal_lines(line_connecting(intersection_point(X0,X1),intersection_point(X0,X2)),X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).
fof(f37,negated_conjecture,
~ ! [X0,X1,X2] :
( ( convergent_lines(X0,X1)
& convergent_lines(X0,X2)
& distinct_points(intersection_point(X0,X1),intersection_point(X0,X2)) )
=> equal_lines(line_connecting(intersection_point(X0,X1),intersection_point(X0,X2)),X0) ),
inference(negated_conjecture,[status(cth)],[f36]) ).
fof(f38,plain,
! [X0,X1] :
( ~ distinct_lines(X0,X1)
=> equal_lines(X0,X1) ),
inference(unused_predicate_definition_removal,[],[f32]) ).
fof(f45,plain,
! [X0,X1] :
( ~ apart_point_and_line(X0,line_connecting(X0,X1))
| ~ distinct_points(X0,X1) ),
inference(ennf_transformation,[],[f7]) ).
fof(f46,plain,
! [X0,X1] :
( ~ apart_point_and_line(X1,line_connecting(X0,X1))
| ~ distinct_points(X0,X1) ),
inference(ennf_transformation,[],[f8]) ).
fof(f47,plain,
! [X0,X1] :
( ~ apart_point_and_line(intersection_point(X0,X1),X0)
| ~ convergent_lines(X0,X1) ),
inference(ennf_transformation,[],[f9]) ).
fof(f49,plain,
! [X0,X1,X2,X3] :
( apart_point_and_line(X0,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X1,X3)
| ~ distinct_points(X0,X1)
| ~ distinct_lines(X2,X3) ),
inference(ennf_transformation,[],[f11]) ).
fof(f50,plain,
! [X0,X1,X2,X3] :
( apart_point_and_line(X0,X2)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X1,X3)
| ~ distinct_points(X0,X1)
| ~ distinct_lines(X2,X3) ),
inference(flattening,[],[f49]) ).
fof(f77,plain,
! [X0,X1] :
( equal_lines(X0,X1)
| distinct_lines(X0,X1) ),
inference(ennf_transformation,[],[f38]) ).
fof(f78,plain,
? [X0,X1,X2] :
( ~ equal_lines(line_connecting(intersection_point(X0,X1),intersection_point(X0,X2)),X0)
& convergent_lines(X0,X1)
& convergent_lines(X0,X2)
& distinct_points(intersection_point(X0,X1),intersection_point(X0,X2)) ),
inference(ennf_transformation,[],[f37]) ).
fof(f79,plain,
? [X0,X1,X2] :
( ~ equal_lines(line_connecting(intersection_point(X0,X1),intersection_point(X0,X2)),X0)
& convergent_lines(X0,X1)
& convergent_lines(X0,X2)
& distinct_points(intersection_point(X0,X1),intersection_point(X0,X2)) ),
inference(flattening,[],[f78]) ).
fof(f80,plain,
( ~ equal_lines(line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)),sK0)
& convergent_lines(sK0,sK1)
& convergent_lines(sK0,sK2)
& distinct_points(intersection_point(sK0,sK1),intersection_point(sK0,sK2)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f79]) ).
fof(f87,plain,
! [X0,X1] :
( ~ apart_point_and_line(X0,line_connecting(X0,X1))
| ~ distinct_points(X0,X1) ),
inference(cnf_transformation,[],[f45]) ).
fof(f88,plain,
! [X0,X1] :
( ~ apart_point_and_line(X1,line_connecting(X0,X1))
| ~ distinct_points(X0,X1) ),
inference(cnf_transformation,[],[f46]) ).
fof(f89,plain,
! [X0,X1] :
( ~ apart_point_and_line(intersection_point(X0,X1),X0)
| ~ convergent_lines(X0,X1) ),
inference(cnf_transformation,[],[f47]) ).
fof(f91,plain,
! [X2,X3,X0,X1] :
( ~ distinct_points(X0,X1)
| apart_point_and_line(X0,X3)
| apart_point_and_line(X1,X2)
| apart_point_and_line(X1,X3)
| apart_point_and_line(X0,X2)
| ~ distinct_lines(X2,X3) ),
inference(cnf_transformation,[],[f50]) ).
fof(f117,plain,
! [X0,X1] :
( equal_lines(X0,X1)
| distinct_lines(X0,X1) ),
inference(cnf_transformation,[],[f77]) ).
fof(f118,plain,
distinct_points(intersection_point(sK0,sK1),intersection_point(sK0,sK2)),
inference(cnf_transformation,[],[f80]) ).
fof(f119,plain,
convergent_lines(sK0,sK2),
inference(cnf_transformation,[],[f80]) ).
fof(f120,plain,
convergent_lines(sK0,sK1),
inference(cnf_transformation,[],[f80]) ).
fof(f121,plain,
~ equal_lines(line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)),sK0),
inference(cnf_transformation,[],[f80]) ).
fof(f123,plain,
distinct_lines(line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)),sK0),
inference(resolution,[],[f117,f121]) ).
fof(f174,plain,
! [X0,X1] :
( ~ distinct_lines(X1,X0)
| apart_point_and_line(intersection_point(sK0,sK2),X1)
| apart_point_and_line(intersection_point(sK0,sK2),X0)
| apart_point_and_line(intersection_point(sK0,sK1),X1)
| apart_point_and_line(intersection_point(sK0,sK1),X0) ),
inference(resolution,[],[f91,f118]) ).
fof(f177,plain,
( apart_point_and_line(intersection_point(sK0,sK2),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)))
| apart_point_and_line(intersection_point(sK0,sK2),sK0)
| apart_point_and_line(intersection_point(sK0,sK1),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)))
| apart_point_and_line(intersection_point(sK0,sK1),sK0) ),
inference(resolution,[],[f174,f123]) ).
fof(f182,definition,
( spl3_1
<=> apart_point_and_line(intersection_point(sK0,sK1),sK0) ),
introduced(definition,[new_symbols(definition,[spl3_1])],[avatar_definition]) ).
fof(f184,plain,
( apart_point_and_line(intersection_point(sK0,sK1),sK0)
| ~ spl3_1 ),
inference(avatar_component_clause,[],[f182]) ).
fof(f186,definition,
( spl3_2
<=> apart_point_and_line(intersection_point(sK0,sK1),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2))) ),
introduced(definition,[new_symbols(definition,[spl3_2])],[avatar_definition]) ).
fof(f188,plain,
( apart_point_and_line(intersection_point(sK0,sK1),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)))
| ~ spl3_2 ),
inference(avatar_component_clause,[],[f186]) ).
fof(f190,definition,
( spl3_3
<=> apart_point_and_line(intersection_point(sK0,sK2),sK0) ),
introduced(definition,[new_symbols(definition,[spl3_3])],[avatar_definition]) ).
fof(f192,plain,
( apart_point_and_line(intersection_point(sK0,sK2),sK0)
| ~ spl3_3 ),
inference(avatar_component_clause,[],[f190]) ).
fof(f194,definition,
( spl3_4
<=> apart_point_and_line(intersection_point(sK0,sK2),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2))) ),
introduced(definition,[new_symbols(definition,[spl3_4])],[avatar_definition]) ).
fof(f196,plain,
( apart_point_and_line(intersection_point(sK0,sK2),line_connecting(intersection_point(sK0,sK1),intersection_point(sK0,sK2)))
| ~ spl3_4 ),
inference(avatar_component_clause,[],[f194]) ).
fof(f197,plain,
( spl3_1
| spl3_2
| spl3_3
| spl3_4 ),
inference(avatar_split_clause,[],[f177,f194,f190,f186,f182]) ).
fof(f205,plain,
( ~ distinct_points(intersection_point(sK0,sK1),intersection_point(sK0,sK2))
| ~ spl3_2 ),
inference(resolution,[],[f188,f87]) ).
fof(f208,plain,
( $false
| ~ spl3_2 ),
inference(forward_subsumption_resolution,[],[f205,f118]) ).
fof(f209,plain,
~ spl3_2,
inference(avatar_contradiction_clause,[],[f208]) ).
fof(f211,plain,
( ~ convergent_lines(sK0,sK2)
| ~ spl3_3 ),
inference(resolution,[],[f192,f89]) ).
fof(f214,plain,
( $false
| ~ spl3_3 ),
inference(forward_subsumption_resolution,[],[f211,f119]) ).
fof(f215,plain,
~ spl3_3,
inference(avatar_contradiction_clause,[],[f214]) ).
fof(f218,plain,
( ~ distinct_points(intersection_point(sK0,sK1),intersection_point(sK0,sK2))
| ~ spl3_4 ),
inference(resolution,[],[f196,f88]) ).
fof(f221,plain,
( $false
| ~ spl3_4 ),
inference(forward_subsumption_resolution,[],[f218,f118]) ).
fof(f222,plain,
~ spl3_4,
inference(avatar_contradiction_clause,[],[f221]) ).
fof(f223,plain,
( ~ convergent_lines(sK0,sK1)
| ~ spl3_1 ),
inference(resolution,[],[f184,f89]) ).
fof(f226,plain,
( $false
| ~ spl3_1 ),
inference(forward_subsumption_resolution,[],[f223,f120]) ).
fof(f227,plain,
~ spl3_1,
inference(avatar_contradiction_clause,[],[f226]) ).
cnf(s1,plain,
( spl3_1
| spl3_2
| spl3_3
| spl3_4 ),
inference(sat_conversion,[],[f197]) ).
cnf(s2,plain,
~ spl3_2,
inference(sat_conversion,[],[f209]) ).
cnf(s3,plain,
~ spl3_3,
inference(sat_conversion,[],[f215]) ).
cnf(s4,plain,
~ spl3_4,
inference(sat_conversion,[],[f222]) ).
cnf(s5,plain,
~ spl3_1,
inference(sat_conversion,[],[f227]) ).
cnf(s6,plain,
$false,
inference(rat,[],[s1,s4,s3,s2,s5]) ).
fof(f228,plain,
$false,
inference(avatar_sat_refutation,[],[s6]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GEO203+3 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.39 % Computer : n026.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 : Sun Sep 27 07:38:41 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.43 Running first-order theorem proving
% 0.12/0.43 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
% 2.56/1.33 % (2500496)Detected formulas, will run a generic FOF schedule.
% 2.56/1.33 % (2500601)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=457829411:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.56/1.33 % (2500601)First to succeed.
% 2.56/1.33 % (2500601)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-2500496"
% 2.56/1.33 % (2500599)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=2206180476:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.56/1.33 % (2500592)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=3144456928:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.56/1.33 % (2500594)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=1912009494:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.56/1.33 % (2500596)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=3371653496:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.56/1.33 % (2500598)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1176406768:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.56/1.33 % (2500598)Also succeeded, but the first one will report.
% 2.56/1.33 % (2500603)dis-21_1_sil=8000:lcm=predicate:random_seed=3204637277: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)
% 2.56/1.33 % (2500599)Also succeeded, but the first one will report.
% 2.56/1.33 % (2500603)Also succeeded, but the first one will report.
% 2.56/1.33 % (2500601)Refutation found. Thanks to Tanya!
% 2.56/1.33 % SZS status Theorem for theBenchmark
% 2.56/1.33 % SZS output start Proof for theBenchmark
% See solution above
% 2.56/1.33 % (2500601)------------------------------
% 2.56/1.33 % (2500601)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.56/1.33 % (2500601)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.56/1.33 % (2500601)CaDiCaL version: 2.1.3
% 2.56/1.33 % (2500601)Termination reason: Refutation
% 2.56/1.33 % (2500601)Time elapsed: 0.003 s
% 2.56/1.33 % (2500601)Peak memory usage: 89 MB
% 2.56/1.33 % (2500601)Instructions burned: 7 (million)
% 2.56/1.33 % (2500601)------------------------------
% 2.56/1.33 % (2500601)------------------------------
% 2.56/1.33 % (2500496)Success in time 0.271 s
% 2.56/1.33 % Vampire exiting
%------------------------------------------------------------------------------