%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWC288-1 : 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 01:03:18 PM UTC 2026
% Result : Unsatisfiable 3.62s 1.22s
% Output : Refutation 3.62s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 10
% Syntax : Number of formulae : 35 ( 12 unt; 4 def)
% Number of atoms : 67 ( 10 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 62 ( 30 ~; 28 |; 0 &)
% ( 4 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 8 ( 6 usr; 5 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 3 ( 0 sgn 3 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
strictorderedP(nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).
fof(f66,axiom,
! [X0] :
( ~ ssItem(X0)
| strictorderedP(cons(X0,nil)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause66) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
~ strictorderedP(sk1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f208,negated_conjecture,
( ssItem(sk5)
| nil = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f219,negated_conjecture,
( cons(sk5,nil) = sk3
| nil = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).
fof(f220,plain,
( sk3 = cons(sk5,nil)
| nil = sk3 ),
inference(reorient_equations,[],[f219]) ).
fof(f227,plain,
~ strictorderedP(sk3),
inference(definition_unfolding,[],[f206,f205]) ).
fof(f252,definition,
( spl0_4
<=> ! [X1] :
( ~ ssItem(X1)
| strictorderedP(cons(X1,nil)) ) ),
introduced(definition,[new_symbols(definition,[spl0_4])],[avatar_definition]) ).
fof(f253,plain,
( ! [X1] :
( strictorderedP(cons(X1,nil))
| ~ ssItem(X1) )
| ~ spl0_4 ),
inference(avatar_component_clause,[],[f252]) ).
fof(f256,definition,
( spl0_5
<=> nil = sk3 ),
introduced(definition,[new_symbols(definition,[spl0_5])],[avatar_definition]) ).
fof(f257,plain,
( nil = sk3
| ~ spl0_5 ),
inference(avatar_component_clause,[],[f256]) ).
fof(f271,definition,
( spl0_9
<=> sk3 = cons(sk5,nil) ),
introduced(definition,[new_symbols(definition,[spl0_9])],[avatar_definition]) ).
fof(f272,plain,
( sk3 = cons(sk5,nil)
| ~ spl0_9 ),
inference(avatar_component_clause,[],[f271]) ).
fof(f273,plain,
( spl0_5
| spl0_9 ),
inference(avatar_split_clause,[],[f220,f271,f256]) ).
fof(f292,definition,
( spl0_13
<=> ssItem(sk5) ),
introduced(definition,[new_symbols(definition,[spl0_13])],[avatar_definition]) ).
fof(f293,plain,
( ssItem(sk5)
| ~ spl0_13 ),
inference(avatar_component_clause,[],[f292]) ).
fof(f294,plain,
( spl0_5
| spl0_13 ),
inference(avatar_split_clause,[],[f208,f292,f256]) ).
fof(f296,plain,
( ~ strictorderedP(nil)
| ~ spl0_5 ),
inference(superposition,[],[f227,f257]) ).
fof(f299,plain,
( $false
| ~ spl0_5 ),
inference(forward_subsumption_resolution,[],[f3,f296]) ).
fof(f300,plain,
~ spl0_5,
inference(avatar_contradiction_clause,[],[f299]) ).
fof(f305,plain,
spl0_4,
inference(avatar_split_clause,[],[f66,f252]) ).
fof(f309,plain,
( strictorderedP(sk3)
| ~ ssItem(sk5)
| ~ spl0_4
| ~ spl0_9 ),
inference(superposition,[],[f253,f272]) ).
fof(f310,plain,
( ~ ssItem(sk5)
| ~ spl0_4
| ~ spl0_9 ),
inference(forward_subsumption_resolution,[],[f309,f227]) ).
fof(f311,plain,
( $false
| ~ spl0_4
| ~ spl0_9
| ~ spl0_13 ),
inference(forward_subsumption_resolution,[],[f310,f293]) ).
fof(f312,plain,
( ~ spl0_4
| ~ spl0_9
| ~ spl0_13 ),
inference(avatar_contradiction_clause,[],[f311]) ).
cnf(s7,plain,
( spl0_5
| spl0_9 ),
inference(sat_conversion,[],[f273]) ).
cnf(s16,plain,
( spl0_5
| spl0_13 ),
inference(sat_conversion,[],[f294]) ).
cnf(s18,plain,
~ spl0_5,
inference(sat_conversion,[],[f300]) ).
cnf(s21,plain,
spl0_4,
inference(sat_conversion,[],[f305]) ).
cnf(s23,plain,
( ~ spl0_4
| ~ spl0_9
| ~ spl0_13 ),
inference(sat_conversion,[],[f312]) ).
cnf(s24,plain,
spl0_13,
inference(rat,[],[s16,s18]) ).
cnf(s25,plain,
~ spl0_9,
inference(rat,[],[s23,s21,s24]) ).
cnf(s29,plain,
$false,
inference(rat,[],[s7,s25,s18]) ).
fof(f313,plain,
$false,
inference(avatar_sat_refutation,[],[s29]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC288-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.21 % Computer : n002.cluster.edu
% 0.08/0.21 % Model : x86_64 x86_64
% 0.08/0.21 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.21 % Memory : 8046.5625MB
% 0.08/0.21 % OS : Linux 6.8.0-71-generic
% 0.08/0.21 % CPULimit : 300
% 0.08/0.21 % WCLimit : 300
% 0.08/0.21 % DateTime : Mon Sep 28 08:55:52 UTC 2026
% 0.08/0.21 % CPUTime :
% 0.08/0.21 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.24 Running first-order theorem proving
% 0.08/0.24 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
% 3.62/1.22 % (219453)Input is clausal, will run a generic CNF schedule.
% 3.62/1.22 % (219459)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=2059374726:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 3.62/1.22 % (219461)lrs+10_1_sil=8000:sp=occurrence:random_seed=613283478:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 3.62/1.22 % (219460)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=3258301647:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 3.62/1.22 % (219458)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=1234398145:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 3.62/1.22 % (219462)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=2756484739:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 3.62/1.22 % (219464)dis-21_1_sil=8000:lcm=predicate:random_seed=917904431: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)
% 3.62/1.22 % (219461)Also succeeded, but the first one will report.
% 3.62/1.22 % (219462)First to succeed.
% 3.62/1.22 % (219462)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-219453"
% 3.62/1.22 % (219463)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=635604748:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 3.62/1.22 % (219463)Also succeeded, but the first one will report.
% 3.62/1.22 % (219464)Instruction limit reached!
% 3.62/1.22 % (219464)------------------------------
% 3.62/1.22 % (219464)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.62/1.22 % (219464)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.62/1.22 % (219464)CaDiCaL version: 2.1.3
% 3.62/1.22 % (219464)Termination reason: Instruction limit
% 3.62/1.22 % (219464)Termination phase: Saturation
% 3.62/1.22 % (219464)Time elapsed: 0.053 s
% 3.62/1.22 % (219464)Peak memory usage: 88 MB
% 3.62/1.22 % (219464)Instructions burned: 119 (million)
% 3.62/1.22 % (219472)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=2812764178:i=143:sd=2:aac=none:ss=axioms:sgt=16_2997 on theBenchmark for (2997ds/143Mi)
% 3.62/1.22 % (219472)Also succeeded, but the first one will report.
% 3.62/1.22 % (219462)Refutation found. Thanks to Tanya!
% 3.62/1.22 % SZS status Unsatisfiable for theBenchmark
% 3.62/1.22 % SZS output start Proof for theBenchmark
% See solution above
% 3.62/1.22 % (219462)------------------------------
% 3.62/1.22 % (219462)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.62/1.22 % (219462)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.62/1.22 % (219462)CaDiCaL version: 2.1.3
% 3.62/1.22 % (219462)Termination reason: Refutation
% 3.62/1.22 % (219462)Time elapsed: 0.004 s
% 3.62/1.22 % (219462)Peak memory usage: 89 MB
% 3.62/1.22 % (219462)Instructions burned: 4 (million)
% 3.62/1.22 % (219462)------------------------------
% 3.62/1.22 % (219462)------------------------------
% 3.62/1.22 % (219453)Success in time 0.436 s
% 3.62/1.22 % Vampire exiting
%------------------------------------------------------------------------------