%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC291+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 : n002.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 01:03:19 PM UTC 2026
% Result : Theorem 2.93s 1.18s
% Output : Refutation 2.93s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 1
% Syntax : Number of formulae : 10 ( 5 unt; 0 def)
% Number of atoms : 75 ( 11 equ)
% Maximal formula atoms : 14 ( 7 avg)
% Number of connectives : 94 ( 29 ~; 22 |; 35 &)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 17 ( 9 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 6 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 21 ( 11 !; 10 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f96,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( X1 != X3
| X0 != X2
| ~ segmentP(X3,X2)
| ~ strictorderedP(X2)
| ? [X4] :
( ssList(X4)
& neq(X2,X4)
& segmentP(X3,X4)
& segmentP(X4,X2)
& strictorderedP(X4) )
| strictorderedP(X0) ) ) ) ) ),
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
| ~ segmentP(X3,X2)
| ~ strictorderedP(X2)
| ? [X4] :
( ssList(X4)
& neq(X2,X4)
& segmentP(X3,X4)
& segmentP(X4,X2)
& strictorderedP(X4) )
| strictorderedP(X0) ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f96]) ).
fof(f98,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& segmentP(X3,X2)
& strictorderedP(X2)
& ! [X4] :
( ~ ssList(X4)
| ~ neq(X2,X4)
| ~ segmentP(X3,X4)
| ~ segmentP(X4,X2)
| ~ strictorderedP(X4) )
& ~ strictorderedP(X0)
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(ennf_transformation,[],[f97]) ).
fof(f99,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& segmentP(X3,X2)
& strictorderedP(X2)
& ! [X4] :
( ~ ssList(X4)
| ~ neq(X2,X4)
| ~ segmentP(X3,X4)
| ~ segmentP(X4,X2)
| ~ strictorderedP(X4) )
& ~ strictorderedP(X0)
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(flattening,[],[f98]) ).
fof(f221,plain,
( sK7 = sK9
& sK6 = sK8
& segmentP(sK9,sK8)
& strictorderedP(sK8)
& ! [X4] :
( ~ ssList(X4)
| ~ neq(sK8,X4)
| ~ segmentP(sK9,X4)
| ~ segmentP(X4,sK8)
| ~ strictorderedP(X4) )
& ~ strictorderedP(sK6)
& ssList(sK9)
& ssList(sK8)
& ssList(sK7)
& ssList(sK6) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK6,sK7,sK8,sK9]),skolemize(X0,sK6),skolemize(X1,sK7),skolemize(X2,sK8),skolemize(X3,sK9)],[f99]) ).
fof(f274,plain,
~ strictorderedP(sK6),
inference(cnf_transformation,[],[f221]) ).
fof(f276,plain,
strictorderedP(sK8),
inference(cnf_transformation,[],[f221]) ).
fof(f278,plain,
sK6 = sK8,
inference(cnf_transformation,[],[f221]) ).
fof(f445,plain,
~ strictorderedP(sK8),
inference(definition_unfolding,[],[f274,f278]) ).
fof(f574,plain,
$false,
inference(resolution,[],[f445,f276]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC291+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.18 % Computer : n002.cluster.edu
% 0.08/0.18 % Model : x86_64 x86_64
% 0.08/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.18 % Memory : 8046.5625MB
% 0.08/0.18 % OS : Linux 6.8.0-71-generic
% 0.08/0.18 % CPULimit : 300
% 0.08/0.18 % WCLimit : 300
% 0.08/0.18 % DateTime : Mon Sep 28 08:57:45 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.21 Running first-order theorem proving
% 0.08/0.21 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
% 2.93/1.18 % (220721)Detected formulas, will run a generic FOF schedule.
% 2.93/1.18 % (220732)dis-21_1_sil=8000:lcm=predicate:random_seed=4017217970: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)
% 2.93/1.18 % (220732)First to succeed.
% 2.93/1.18 % (220732)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-220721"
% 2.93/1.18 % (220729)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=930087480:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.93/1.18 % (220726)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=804565791:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.93/1.18 % (220731)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=613304430:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.93/1.18 % (220727)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=3760635538:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.93/1.18 % (220730)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=1127665011:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.93/1.18 % (220728)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=21719196:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.93/1.18 % (220730)Also succeeded, but the first one will report.
% 2.93/1.18 % (220729)Also succeeded, but the first one will report.
% 2.93/1.18 % (220731)Also succeeded, but the first one will report.
% 2.93/1.18 % (220732)Refutation found. Thanks to Tanya!
% 2.93/1.18 % SZS status Theorem for theBenchmark
% 2.93/1.18 % SZS output start Proof for theBenchmark
% See solution above
% 2.93/1.18 % (220732)------------------------------
% 2.93/1.18 % (220732)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.93/1.18 % (220732)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.93/1.18 % (220732)CaDiCaL version: 2.1.3
% 2.93/1.18 % (220732)Termination reason: Refutation
% 2.93/1.18 % (220732)Time elapsed: 0.004 s
% 2.93/1.18 % (220732)Peak memory usage: 88 MB
% 2.93/1.18 % (220732)Instructions burned: 8 (million)
% 2.93/1.18 % (220732)------------------------------
% 2.93/1.18 % (220732)------------------------------
% 2.93/1.18 % (220721)Success in time 0.327 s
% 2.93/1.18 % Vampire exiting
%------------------------------------------------------------------------------