%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC289+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 : n003.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 01:03:18 PM UTC 2026
% Result : Theorem 2.72s 1.14s
% Output : Refutation 2.72s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 1
% Syntax : Number of formulae : 10 ( 5 unt; 0 def)
% Number of atoms : 45 ( 11 equ)
% Maximal formula atoms : 8 ( 4 avg)
% Number of connectives : 47 ( 12 ~; 6 |; 21 &)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 7 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 16 ( 8 !; 8 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f96,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( X1 != X3
| X0 != X2
| ~ strictorderedP(X2)
| 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
| ~ strictorderedP(X2)
| strictorderedP(X0) ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f96]) ).
fof(f98,plain,
? [X0] :
( ? [X1] :
( ? [X2] :
( ? [X3] :
( X1 = X3
& X0 = X2
& strictorderedP(X2)
& ~ 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
& strictorderedP(X2)
& ~ strictorderedP(X0)
& ssList(X3) )
& ssList(X2) )
& ssList(X1) )
& ssList(X0) ),
inference(flattening,[],[f98]) ).
fof(f144,plain,
( sK1 = sK3
& sK0 = sK2
& strictorderedP(sK2)
& ~ strictorderedP(sK0)
& ssList(sK3)
& ssList(sK2)
& ssList(sK1)
& ssList(sK0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f99]) ).
fof(f161,plain,
~ strictorderedP(sK0),
inference(cnf_transformation,[],[f144]) ).
fof(f162,plain,
strictorderedP(sK2),
inference(cnf_transformation,[],[f144]) ).
fof(f163,plain,
sK0 = sK2,
inference(cnf_transformation,[],[f144]) ).
fof(f219,plain,
~ strictorderedP(sK2),
inference(definition_unfolding,[],[f161,f163]) ).
fof(f230,plain,
$false,
inference(forward_subsumption_resolution,[],[f219,f162]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC289+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.18 % Computer : n003.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 08:54:42 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.22 Running first-order theorem proving
% 0.08/0.22 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
% 2.72/1.14 % (1443468)Detected formulas, will run a generic FOF schedule.
% 2.72/1.14 % (1443477)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=3158770928:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.72/1.14 % (1443477)First to succeed.
% 2.72/1.14 % (1443477)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-1443468"
% 2.72/1.14 % (1443478)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=1792354181:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.72/1.14 % (1443473)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=3014086622:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.72/1.14 % (1443474)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=1339671995:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.72/1.14 % (1443476)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=3143277008:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.72/1.14 % (1443475)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=9823399:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.72/1.14 % (1443476)Also succeeded, but the first one will report.
% 2.72/1.14 % (1443478)Also succeeded, but the first one will report.
% 2.72/1.14 % (1443479)dis-21_1_sil=8000:lcm=predicate:random_seed=2487961914: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)
% 2.72/1.14 % (1443479)Also succeeded, but the first one will report.
% 2.72/1.14 % (1443477)Refutation found. Thanks to Tanya!
% 2.72/1.14 % SZS status Theorem for theBenchmark
% 2.72/1.14 % SZS output start Proof for theBenchmark
% See solution above
% 2.72/1.14 % (1443477)------------------------------
% 2.72/1.14 % (1443477)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.72/1.14 % (1443477)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.72/1.14 % (1443477)CaDiCaL version: 2.1.3
% 2.72/1.14 % (1443477)Termination reason: Refutation
% 2.72/1.14 % (1443477)Time elapsed: 0.002 s
% 2.72/1.14 % (1443477)Peak memory usage: 88 MB
% 2.72/1.14 % (1443477)Instructions burned: 2 (million)
% 2.72/1.14 % (1443477)------------------------------
% 2.72/1.14 % (1443477)------------------------------
% 2.72/1.14 % (1443468)Success in time 0.29 s
% 2.72/1.14 % Vampire exiting
%------------------------------------------------------------------------------