%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SYO885^1.033.003 : TPTP v9.3.1. Released v7.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n020.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 : Wed Sep 30 08:50:31 AM UTC 2026
% Result : Theorem 0.21s 0.26s
% Output : Refutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 1
% Syntax : Number of formulae : 9 ( 1 unt; 0 typ; 0 def)
% Number of atoms : 181 ( 26 equ; 0 cnn)
% Maximal formula atoms : 4 ( 20 avg)
% Number of connectives : 207 ( 21 ~; 14 |; 4 &; 168 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 5 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 24 ( 24 >; 0 *; 0 +; 0 <<)
% Number of symbols : 11 ( 9 usr; 4 con; 0-4 aty)
% Number of variables : 32 ( 24 ^; 6 !; 2 ?; 32 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_3,type,
f: $i > $i > $i > $i ).
thf(func_def_5,type,
db0:
!>[X0: $tType] : X0 ).
thf(func_def_6,type,
db1:
!>[X0: $tType] : X0 ).
thf(func_def_7,type,
db2:
!>[X0: $tType] : X0 ).
thf(func_def_8,type,
vLAM:
!>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).
thf(f1,conjecture,
? [X0: $i > $i > $i > $i] :
( ( ( X0 @ a2 @ a1 @ a0 )
= ( f @ a0 @ a1 @ a2 ) )
& ( ( X0 @ a0 @ a2 @ a1 )
= ( f @ a0 @ a1 @ a2 ) )
& ( ( X0 @ a0 @ a1 @ a2 )
= ( f @ a0 @ a1 @ a2 ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal) ).
thf(f2,negated_conjecture,
~ ? [X0: $i > $i > $i > $i] :
( ( ( X0 @ a2 @ a1 @ a0 )
= ( f @ a0 @ a1 @ a2 ) )
& ( ( X0 @ a0 @ a2 @ a1 )
= ( f @ a0 @ a1 @ a2 ) )
& ( ( X0 @ a0 @ a1 @ a2 )
= ( f @ a0 @ a1 @ a2 ) ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
thf(f3,plain,
! [X0: $i > $i > $i > $i] :
( ( ( f @ a0 @ a1 @ a2 )
!= ( X0 @ a2 @ a1 @ a0 ) )
| ( ( f @ a0 @ a1 @ a2 )
!= ( X0 @ a0 @ a2 @ a1 ) )
| ( ( X0 @ a0 @ a1 @ a2 )
!= ( f @ a0 @ a1 @ a2 ) ) ),
inference(ennf_transformation,[],[f2]) ).
thf(f4,plain,
! [X0: $i > $i > $i > $i] :
( ( ( f @ a0 @ a1 @ a2 )
!= ( X0 @ a2 @ a1 @ a0 ) )
| ( ( f @ a0 @ a1 @ a2 )
!= ( X0 @ a0 @ a2 @ a1 ) )
| ( ( X0 @ a0 @ a1 @ a2 )
!= ( f @ a0 @ a1 @ a2 ) ) ),
inference(cnf_transformation,[],[f3]) ).
thf(f6,plain,
! [X0: $i > $i > $i > $i,X1: $i > $i > $i > $i] :
( ( ( f @ a0 @ a1 @ a2 )
!= ( ^ [Y0: $i,Y1: $i,Y2: $i] :
( f @ ( X0 @ Y0 @ Y1 @ Y2 ) @ ( X1 @ Y0 @ Y1 @ Y2 )
@ ( ^ [Y3: $i,Y4: $i,Y5: $i] : a2
@ Y0
@ Y1
@ Y2 ) )
@ a0
@ a2
@ a1 ) )
| ( ( f @ a0 @ a1 @ a2 )
!= ( ^ [Y0: $i,Y1: $i,Y2: $i] :
( f @ ( X0 @ Y0 @ Y1 @ Y2 ) @ ( X1 @ Y0 @ Y1 @ Y2 )
@ ( ^ [Y3: $i,Y4: $i,Y5: $i] : a2
@ Y0
@ Y1
@ Y2 ) )
@ a0
@ a1
@ a2 ) )
| ( a0
!= ( X0 @ a2 @ a1 @ a0 ) )
| ( a1
!= ( X1 @ a2 @ a1 @ a0 ) ) ),
inference(equality_resolution,[],[f4]) ).
thf(f7,plain,
! [X0: $i > $i > $i > $i,X1: $i > $i > $i > $i] :
( ( ( f @ a0 @ a1 @ a2 )
!= ( f @ ( X0 @ a0 @ a2 @ a1 ) @ ( X1 @ a0 @ a2 @ a1 ) @ a2 ) )
| ( ( f @ a0 @ a1 @ a2 )
!= ( f @ ( X0 @ a0 @ a1 @ a2 ) @ ( X1 @ a0 @ a1 @ a2 ) @ a2 ) )
| ( a0
!= ( X0 @ a2 @ a1 @ a0 ) )
| ( a1
!= ( X1 @ a2 @ a1 @ a0 ) ) ),
inference(beta-eta_normalization,[],[f6]) ).
thf(f12,plain,
( ( ( f @ a0 @ a1 @ a2 )
!= ( f
@ ( ^ [Y0: $i,Y1: $i,Y2: $i] : a0
@ a0
@ a1
@ a2 )
@ ( ^ [Y0: $i,Y1: $i,Y2: $i] : a1
@ a0
@ a1
@ a2 )
@ a2 ) )
| ( a0
!= ( ^ [Y0: $i,Y1: $i,Y2: $i] : a0
@ a2
@ a1
@ a0 ) )
| ( a1
!= ( ^ [Y0: $i,Y1: $i,Y2: $i] : a1
@ a2
@ a1
@ a0 ) ) ),
inference(equality_resolution,[],[f7]) ).
thf(f13,plain,
( ( ( f @ a0 @ a1 @ a2 )
!= ( f @ a0 @ a1 @ a2 ) )
| ( a0 != a0 )
| ( a1 != a1 ) ),
inference(beta-eta_normalization,[],[f12]) ).
thf(f14,plain,
$false,
inference(trivial_inequality_removal,[],[f13]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYO885^1.033.003 : TPTP v9.3.1. Released v7.5.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.19 % Computer : n020.cluster.edu
% 0.09/0.19 % Model : x86_64 x86_64
% 0.09/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19 % Memory : 8046.5625MB
% 0.09/0.19 % OS : Linux 6.8.0-71-generic
% 0.09/0.19 % CPULimit : 300
% 0.09/0.19 % WCLimit : 300
% 0.09/0.19 % DateTime : Tue Sep 29 17:25:50 UTC 2026
% 0.09/0.19 % CPUTime :
% 0.09/0.19 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.23 Running first-order model finding
% 0.09/0.23 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.26 % (1352819)Will run a generic schedule for satisfiability detection.
% 0.21/0.26 % (1352828)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2303840074:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.21/0.26 % (1352828)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.21/0.26 % (1352828) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1352819-1352828"...
% 0.21/0.26 % (1352828)...printing done.
% 0.21/0.26 % (1352825)% WARNING: option uhcvi not known.
% 0.21/0.26 % (1352828)Refutation found. Thanks to Tanya!
% 0.21/0.26 % SZS status Theorem for theBenchmark
% 0.21/0.26 % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.26 % (1352828)------------------------------
% 0.21/0.26 % (1352828)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.21/0.26 % (1352828)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.21/0.26 % (1352828)CaDiCaL version: 2.1.3
% 0.21/0.26 % (1352828)Termination reason: Refutation
% 0.21/0.26 % (1352828)Time elapsed: 0.002 s
% 0.21/0.26 % (1352828)Peak memory usage: 12 MB
% 0.21/0.26 % (1352828)Instructions burned: 3 (million)
% 0.21/0.26 % (1352819)Success in time 0.027 s
% 0.21/0.27 % Vampire exiting
%------------------------------------------------------------------------------