%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC127-1 : 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 : n007.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 01:02:34 PM UTC 2026
% Result : Unsatisfiable 5.52s 1.93s
% Output : Refutation 5.52s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 14
% Syntax : Number of formulae : 38 ( 16 unt; 4 def)
% Number of atoms : 69 ( 7 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 56 ( 25 ~; 27 |; 0 &)
% ( 4 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 10 ( 8 usr; 5 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 4 ( 0 sgn 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause8) ).
fof(f11,axiom,
~ singletonP(nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause11) ).
fof(f101,axiom,
! [X0,X1] :
( ~ ssList(X0)
| ~ ssList(X1)
| neq(X1,X0)
| X1 = X0 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause100) ).
fof(f102,plain,
! [X0,X1] :
( neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0)
| X0 = X1 ),
inference(reorient_equations,[],[f101]) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_3) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
neq(sk2,nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
segmentP(sk4,sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( singletonP(sk3)
| ~ neq(sk4,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
( ~ neq(sk1,nil)
| ~ segmentP(sk2,sk1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_10) ).
fof(f212,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f206,f204]) ).
fof(f213,plain,
( ~ neq(sk3,nil)
| ~ segmentP(sk4,sk3) ),
inference(definition_unfolding,[],[f209,f205,f204,f205]) ).
fof(f225,definition,
( spl0_1
<=> segmentP(sk4,sk3) ),
introduced(definition,[new_symbols(definition,[spl0_1])],[avatar_definition]) ).
fof(f229,definition,
( spl0_2
<=> neq(sk3,nil) ),
introduced(definition,[new_symbols(definition,[spl0_2])],[avatar_definition]) ).
fof(f231,plain,
( ~ neq(sk3,nil)
| spl0_2 ),
inference(avatar_component_clause,[],[f229]) ).
fof(f232,plain,
( ~ spl0_1
| ~ spl0_2 ),
inference(avatar_split_clause,[],[f213,f229,f225]) ).
fof(f234,definition,
( spl0_3
<=> neq(sk4,nil) ),
introduced(definition,[new_symbols(definition,[spl0_3])],[avatar_definition]) ).
fof(f238,definition,
( spl0_4
<=> singletonP(sk3) ),
introduced(definition,[new_symbols(definition,[spl0_4])],[avatar_definition]) ).
fof(f240,plain,
( singletonP(sk3)
| ~ spl0_4 ),
inference(avatar_component_clause,[],[f238]) ).
fof(f241,plain,
( ~ spl0_3
| spl0_4 ),
inference(avatar_split_clause,[],[f208,f238,f234]) ).
fof(f242,plain,
spl0_1,
inference(avatar_split_clause,[],[f207,f225]) ).
fof(f243,plain,
spl0_3,
inference(avatar_split_clause,[],[f212,f234]) ).
fof(f264,plain,
( ~ ssList(sk3)
| ~ ssList(nil)
| nil = sk3
| spl0_2 ),
inference(resolution,[],[f102,f231]) ).
fof(f269,plain,
( ~ ssList(nil)
| nil = sk3
| spl0_2 ),
inference(forward_subsumption_resolution,[],[f264,f202]) ).
fof(f270,plain,
( nil = sk3
| spl0_2 ),
inference(forward_subsumption_resolution,[],[f269,f8]) ).
fof(f274,plain,
( singletonP(nil)
| spl0_2
| ~ spl0_4 ),
inference(superposition,[],[f240,f270]) ).
fof(f277,plain,
( $false
| spl0_2
| ~ spl0_4 ),
inference(forward_subsumption_resolution,[],[f274,f11]) ).
fof(f278,plain,
( spl0_2
| ~ spl0_4 ),
inference(avatar_contradiction_clause,[],[f277]) ).
cnf(s1,plain,
( ~ spl0_1
| ~ spl0_2 ),
inference(sat_conversion,[],[f232]) ).
cnf(s2,plain,
( ~ spl0_3
| spl0_4 ),
inference(sat_conversion,[],[f241]) ).
cnf(s3,plain,
spl0_1,
inference(sat_conversion,[],[f242]) ).
cnf(s4,plain,
spl0_3,
inference(sat_conversion,[],[f243]) ).
cnf(s5,plain,
( spl0_2
| ~ spl0_4 ),
inference(sat_conversion,[],[f278]) ).
cnf(s6,plain,
spl0_4,
inference(rat,[],[s2,s4]) ).
cnf(s7,plain,
spl0_2,
inference(rat,[],[s5,s6]) ).
cnf(s8,plain,
$false,
inference(rat,[],[s1,s7,s3]) ).
fof(f279,plain,
$false,
inference(avatar_sat_refutation,[],[s8]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC127-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.38 % Computer : n007.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Mon Sep 28 08:00:40 UTC 2026
% 0.12/0.38 % CPUTime :
% 0.12/0.38 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.42 Running first-order theorem proving
% 0.12/0.42 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
% 5.52/1.93 % (2234531)Input is clausal, will run a generic CNF schedule.
% 5.52/1.93 % (2234582)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=2430417406:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 5.52/1.93 % (2234583)lrs+10_1_sil=8000:sp=occurrence:random_seed=311496520:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 5.52/1.93 % (2234587)dis-21_1_sil=8000:lcm=predicate:random_seed=4024518815: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)
% 5.52/1.93 % (2234580)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=843088797:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 5.52/1.93 % (2234581)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=3498940369:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 5.52/1.93 % (2234583)First to succeed.
% 5.52/1.93 % (2234583)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2234531"
% 5.52/1.93 % (2234586)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=560901877:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 5.52/1.93 % (2234584)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=3350656929:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 5.52/1.93 % (2234584)Also succeeded, but the first one will report.
% 5.52/1.93 % (2234586)Also succeeded, but the first one will report.
% 5.52/1.93 % (2234587)Instruction limit reached!
% 5.52/1.93 % (2234587)------------------------------
% 5.52/1.93 % (2234587)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.52/1.93 % (2234587)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.52/1.93 % (2234587)CaDiCaL version: 2.1.3
% 5.52/1.93 % (2234587)Termination reason: Instruction limit
% 5.52/1.93 % (2234587)Termination phase: Saturation
% 5.52/1.93 % (2234587)Time elapsed: 0.082 s
% 5.52/1.93 % (2234587)Peak memory usage: 88 MB
% 5.52/1.93 % (2234587)Instructions burned: 118 (million)
% 5.52/1.93 % (2234599)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=1581725560:i=143:sd=2:aac=none:ss=axioms:sgt=16_2996 on theBenchmark for (2996ds/143Mi)
% 5.52/1.93 % (2234599)Also succeeded, but the first one will report.
% 5.52/1.93 % (2234583)Refutation found. Thanks to Tanya!
% 5.52/1.93 % SZS status Unsatisfiable for theBenchmark
% 5.52/1.93 % SZS output start Proof for theBenchmark
% See solution above
% 5.52/1.93 % (2234583)------------------------------
% 5.52/1.93 % (2234583)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.52/1.93 % (2234583)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.52/1.93 % (2234583)CaDiCaL version: 2.1.3
% 5.52/1.93 % (2234583)Termination reason: Refutation
% 5.52/1.93 % (2234583)Time elapsed: 0.007 s
% 5.52/1.93 % (2234583)Peak memory usage: 90 MB
% 5.52/1.93 % (2234583)Instructions burned: 4 (million)
% 5.52/1.93 % (2234583)------------------------------
% 5.52/1.93 % (2234583)------------------------------
% 5.52/1.93 % (2234531)Success in time 0.675 s
% 5.52/1.93 % Vampire exiting
%------------------------------------------------------------------------------