%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SEV135^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n026.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 08:39:02 AM UTC 2026
% Result : Theorem 0.10s 0.23s
% Output : Refutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 1
% Syntax : Number of formulae : 13 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 85 ( 35 equ; 0 cnn)
% Maximal formula atoms : 7 ( 6 avg)
% Number of connectives : 140 ( 18 ~; 11 |; 17 &; 78 @)
% ( 0 <=>; 16 =>; 0 <=; 0 <~>)
% Maximal formula depth : 15 ( 8 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 18 ( 18 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 46 ( 0 ^; 38 !; 8 ?; 46 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
a: $tType ).
thf(type_def_6,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_3,type,
sK0: a > a > $o ).
thf(func_def_4,type,
sK1: a ).
thf(func_def_5,type,
sK2: a ).
thf(func_def_6,type,
sK3: a > $o ).
thf(f1,conjecture,
! [X0: a > a > $o,X1: a,X2: a] :
( ( X0 @ X1 @ X2 )
=> ! [X3: a > $o] :
( ( ! [X5: a,X6: a] :
( ( ( X0 @ X5 @ X6 )
& ( X3 @ X5 ) )
=> ( X3 @ X6 ) )
& ! [X4: a] :
( ( X0 @ X1 @ X4 )
=> ( X3 @ X4 ) ) )
=> ( X3 @ X2 ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cTHM151_pme) ).
thf(f2,negated_conjecture,
~ ! [X0: a > a > $o,X1: a,X2: a] :
( ( X0 @ X1 @ X2 )
=> ! [X3: a > $o] :
( ( ! [X5: a,X6: a] :
( ( ( X0 @ X5 @ X6 )
& ( X3 @ X5 ) )
=> ( X3 @ X6 ) )
& ! [X4: a] :
( ( X0 @ X1 @ X4 )
=> ( X3 @ X4 ) ) )
=> ( X3 @ X2 ) ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
thf(f3,plain,
~ ! [X0: a > a > $o,X1: a,X2: a] :
( ( X0 @ X1 @ X2 )
=> ! [X3: a > $o] :
( ( ! [X4: a,X5: a] :
( ( ( X0 @ X4 @ X5 )
& ( X3 @ X4 ) )
=> ( X3 @ X5 ) )
& ! [X6: a] :
( ( X0 @ X1 @ X6 )
=> ( X3 @ X6 ) ) )
=> ( X3 @ X2 ) ) ),
inference(rectify,[],[f2]) ).
thf(f4,plain,
~ ! [X0: a > a > $o,X1: a,X2: a] :
( ( ( X0 @ X1 @ X2 )
= $true )
=> ! [X3: a > $o] :
( ( ! [X4: a,X5: a] :
( ( ( ( X0 @ X4 @ X5 )
= $true )
& ( ( X3 @ X4 )
= $true ) )
=> ( ( X3 @ X5 )
= $true ) )
& ! [X6: a] :
( ( ( X0 @ X1 @ X6 )
= $true )
=> ( ( X3 @ X6 )
= $true ) ) )
=> ( ( X3 @ X2 )
= $true ) ) ),
inference(fool_elimination,[],[f3]) ).
thf(f5,plain,
? [X0: a > a > $o,X1: a,X2: a] :
( ? [X3: a > $o] :
( ( ( X3 @ X2 )
!= $true )
& ! [X4: a,X5: a] :
( ( ( X3 @ X5 )
= $true )
| ( ( X0 @ X4 @ X5 )
!= $true )
| ( ( X3 @ X4 )
!= $true ) )
& ! [X6: a] :
( ( ( X3 @ X6 )
= $true )
| ( ( X0 @ X1 @ X6 )
!= $true ) ) )
& ( ( X0 @ X1 @ X2 )
= $true ) ),
inference(ennf_transformation,[],[f4]) ).
thf(f6,plain,
? [X0: a > a > $o,X1: a,X2: a] :
( ? [X3: a > $o] :
( ( ( X3 @ X2 )
!= $true )
& ! [X4: a,X5: a] :
( ( ( X3 @ X5 )
= $true )
| ( ( X0 @ X4 @ X5 )
!= $true )
| ( ( X3 @ X4 )
!= $true ) )
& ! [X6: a] :
( ( ( X3 @ X6 )
= $true )
| ( ( X0 @ X1 @ X6 )
!= $true ) ) )
& ( ( X0 @ X1 @ X2 )
= $true ) ),
inference(flattening,[],[f5]) ).
thf(f7,plain,
( ( $true
!= ( sK3 @ sK2 ) )
& ! [X4: a,X5: a] :
( ( $true
= ( sK3 @ X5 ) )
| ( $true
!= ( sK0 @ X4 @ X5 ) )
| ( $true
!= ( sK3 @ X4 ) ) )
& ! [X6: a] :
( ( $true
= ( sK3 @ X6 ) )
| ( $true
!= ( sK0 @ sK1 @ X6 ) ) )
& ( $true
= ( sK0 @ sK1 @ sK2 ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f6]) ).
thf(f8,plain,
( $true
= ( sK0 @ sK1 @ sK2 ) ),
inference(cnf_transformation,[],[f7]) ).
thf(f9,plain,
! [X6: a] :
( ( $true
!= ( sK0 @ sK1 @ X6 ) )
| ( $true
= ( sK3 @ X6 ) ) ),
inference(cnf_transformation,[],[f7]) ).
thf(f11,plain,
( $true
!= ( sK3 @ sK2 ) ),
inference(cnf_transformation,[],[f7]) ).
thf(f14,plain,
( ( $true != $true )
| ( $true
= ( sK3 @ sK2 ) ) ),
inference(constrained_superposition,[],[f9,f8]) ).
thf(f15,plain,
( $true
= ( sK3 @ sK2 ) ),
inference(trivial_inequality_removal,[],[f14]) ).
thf(f16,plain,
$false,
inference(forward_subsumption_resolution,[],[f15,f11]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SEV135^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.16 % Computer : n026.cluster.edu
% 0.10/0.16 % Model : x86_64 x86_64
% 0.10/0.16 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.16 % Memory : 8046.5625MB
% 0.10/0.16 % OS : Linux 6.8.0-71-generic
% 0.10/0.16 % CPULimit : 300
% 0.10/0.16 % WCLimit : 300
% 0.10/0.16 % DateTime : Tue Sep 29 15:18:42 UTC 2026
% 0.10/0.17 % CPUTime :
% 0.10/0.17 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.10/0.19 Running first-order model finding
% 0.10/0.19 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.23 % (721974)Will run a generic schedule for satisfiability detection.
% 0.10/0.23 % (721982)dis+10_1_sil=32000:sp=arity:random_seed=3707969357:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.10/0.23 % (721982) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-721974-721982"...
% 0.10/0.23 % (721982)...printing done.
% 0.10/0.23 % (721982)Refutation found. Thanks to Tanya!
% 0.10/0.23 % SZS status Theorem for theBenchmark
% 0.10/0.23 % SZS output start Proof for theBenchmark
% See solution above
% 0.10/0.23 % (721982)------------------------------
% 0.10/0.23 % (721982)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.10/0.23 % (721982)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.10/0.23 % (721982)CaDiCaL version: 2.1.3
% 0.10/0.23 % (721982)Termination reason: Refutation
% 0.10/0.23 % (721982)Time elapsed: 0.001 s
% 0.10/0.23 % (721982)Peak memory usage: 12 MB
% 0.10/0.23 % (721982)Instructions burned: 1 (million)
% 0.10/0.23 % (721974)Success in time 0.025 s
% 0.10/0.23 % Vampire exiting
%------------------------------------------------------------------------------