%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : NUM672^1 : TPTP v9.3.1. Released v3.7.0.
% 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 08:19:16 AM UTC 2026
% Result : Theorem 0.19s 0.28s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 5
% Syntax : Number of formulae : 33 ( 15 unt; 0 typ; 0 def)
% Number of atoms : 117 ( 33 equ; 0 cnn)
% Maximal formula atoms : 2 ( 3 avg)
% Number of connectives : 185 ( 15 ~; 9 |; 0 &; 152 @)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 7 usr; 5 con; 0-2 aty)
% Number of variables : 39 ( 0 ^; 39 !; 0 ?; 39 :)
% Comments :
%------------------------------------------------------------------------------
thf(type_def_5,type,
nat: $tType ).
thf(type_def_6,type,
sTfun: ( $tType * $tType ) > $tType ).
thf(func_def_0,type,
x: nat ).
thf(func_def_1,type,
y: nat ).
thf(func_def_2,type,
z: nat ).
thf(func_def_3,type,
less: nat > nat > $o ).
thf(func_def_5,type,
pl: nat > nat > nat ).
thf(func_def_6,type,
more: nat > nat > $o ).
thf(f1,axiom,
less @ x @ y,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',l) ).
thf(f2,axiom,
! [X0: nat,X1: nat] :
( ( more @ X0 @ X1 )
=> ( less @ X1 @ X0 ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz11) ).
thf(f3,axiom,
! [X0: nat,X1: nat,X2: nat] :
( ( more @ X0 @ X1 )
=> ( more @ ( pl @ X0 @ X2 ) @ ( pl @ X1 @ X2 ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz19a) ).
thf(f4,axiom,
! [X0: nat,X1: nat] :
( ( less @ X0 @ X1 )
=> ( more @ X1 @ X0 ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz12) ).
thf(f5,conjecture,
less @ ( pl @ x @ z ) @ ( pl @ y @ z ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz19c) ).
thf(f6,negated_conjecture,
~ ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) ),
inference(negated_conjecture,[status(cth)],[f5]) ).
thf(f7,plain,
less @ x @ y,
inference(rectify,[],[f1]) ).
thf(f8,plain,
( ( less @ x @ y )
= $true ),
inference(fool_elimination,[],[f7]) ).
thf(f9,plain,
! [X0: nat,X1: nat] :
( ( more @ X0 @ X1 )
=> ( less @ X1 @ X0 ) ),
inference(rectify,[],[f2]) ).
thf(f10,plain,
! [X0: nat,X1: nat] :
( ( ( more @ X0 @ X1 )
= $true )
=> ( ( less @ X1 @ X0 )
= $true ) ),
inference(fool_elimination,[],[f9]) ).
thf(f11,plain,
! [X0: nat,X1: nat,X2: nat] :
( ( more @ X0 @ X1 )
=> ( more @ ( pl @ X0 @ X2 ) @ ( pl @ X1 @ X2 ) ) ),
inference(rectify,[],[f3]) ).
thf(f12,plain,
! [X0: nat,X1: nat,X2: nat] :
( ( ( more @ X0 @ X1 )
= $true )
=> ( ( more @ ( pl @ X0 @ X2 ) @ ( pl @ X1 @ X2 ) )
= $true ) ),
inference(fool_elimination,[],[f11]) ).
thf(f13,plain,
! [X0: nat,X1: nat] :
( ( less @ X0 @ X1 )
=> ( more @ X1 @ X0 ) ),
inference(rectify,[],[f4]) ).
thf(f14,plain,
! [X0: nat,X1: nat] :
( ( ( less @ X0 @ X1 )
= $true )
=> ( ( more @ X1 @ X0 )
= $true ) ),
inference(fool_elimination,[],[f13]) ).
thf(f15,plain,
~ ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) ),
inference(rectify,[],[f6]) ).
thf(f16,plain,
( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
!= $true ),
inference(fool_elimination,[],[f15]) ).
thf(f17,plain,
( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
!= $true ),
inference(flattening,[],[f16]) ).
thf(f18,plain,
! [X0: nat,X1: nat] :
( ( ( less @ X1 @ X0 )
= $true )
| ( ( more @ X0 @ X1 )
!= $true ) ),
inference(ennf_transformation,[],[f10]) ).
thf(f19,plain,
! [X0: nat,X1: nat,X2: nat] :
( ( ( more @ ( pl @ X0 @ X2 ) @ ( pl @ X1 @ X2 ) )
= $true )
| ( ( more @ X0 @ X1 )
!= $true ) ),
inference(ennf_transformation,[],[f12]) ).
thf(f20,plain,
! [X0: nat,X1: nat] :
( ( ( more @ X1 @ X0 )
= $true )
| ( ( less @ X0 @ X1 )
!= $true ) ),
inference(ennf_transformation,[],[f14]) ).
thf(f21,plain,
( ( less @ x @ y )
= $true ),
inference(cnf_transformation,[],[f8]) ).
thf(f22,plain,
! [X0: nat,X1: nat] :
( ( ( more @ X0 @ X1 )
!= $true )
| ( ( less @ X1 @ X0 )
= $true ) ),
inference(cnf_transformation,[],[f18]) ).
thf(f23,plain,
! [X2: nat,X0: nat,X1: nat] :
( ( ( more @ X0 @ X1 )
!= $true )
| ( ( more @ ( pl @ X0 @ X2 ) @ ( pl @ X1 @ X2 ) )
= $true ) ),
inference(cnf_transformation,[],[f19]) ).
thf(f24,plain,
! [X0: nat,X1: nat] :
( ( ( less @ X0 @ X1 )
!= $true )
| ( ( more @ X1 @ X0 )
= $true ) ),
inference(cnf_transformation,[],[f20]) ).
thf(f25,plain,
( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
!= $true ),
inference(cnf_transformation,[],[f17]) ).
thf(f43,plain,
( ( $true != $true )
| ( $true
= ( more @ y @ x ) ) ),
inference(constrained_superposition,[],[f24,f21]) ).
thf(f45,plain,
( $true
= ( more @ y @ x ) ),
inference(trivial_inequality_removal,[],[f43]) ).
thf(f49,plain,
! [X0: nat] :
( ( $true != $true )
| ( $true
= ( more @ ( pl @ y @ X0 ) @ ( pl @ x @ X0 ) ) ) ),
inference(constrained_superposition,[],[f23,f45]) ).
thf(f52,plain,
! [X0: nat] :
( $true
= ( more @ ( pl @ y @ X0 ) @ ( pl @ x @ X0 ) ) ),
inference(trivial_inequality_removal,[],[f49]) ).
thf(f91,plain,
! [X0: nat] :
( ( $true != $true )
| ( $true
= ( less @ ( pl @ x @ X0 ) @ ( pl @ y @ X0 ) ) ) ),
inference(constrained_superposition,[],[f22,f52]) ).
thf(f92,plain,
! [X0: nat] :
( $true
= ( less @ ( pl @ x @ X0 ) @ ( pl @ y @ X0 ) ) ),
inference(trivial_inequality_removal,[],[f91]) ).
thf(f113,plain,
$true != $true,
inference(constrained_superposition,[],[f25,f92]) ).
thf(f116,plain,
$false,
inference(trivial_inequality_removal,[],[f113]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM672^1 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.18 % Computer : n020.cluster.edu
% 0.10/0.18 % Model : x86_64 x86_64
% 0.10/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.18 % Memory : 8046.5625MB
% 0.10/0.18 % OS : Linux 6.8.0-71-generic
% 0.10/0.18 % CPULimit : 300
% 0.10/0.18 % WCLimit : 300
% 0.10/0.18 % DateTime : Tue Sep 29 12:36:19 UTC 2026
% 0.10/0.18 % CPUTime :
% 0.10/0.18 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.22 Running first-order model finding
% 0.10/0.22 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
% 0.19/0.28 % (993776)Will run a generic schedule for satisfiability detection.
% 0.19/0.28 % (993783)% WARNING: option uhcvi not known.
% 0.19/0.28 % (993784)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3482997017:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.19/0.28 % (993785)dis+10_1_sil=32000:sp=arity:random_seed=2149248658:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.19/0.28 % (993783)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=826866028:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.19/0.28 % (993783)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.19/0.28 % (993783)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.19/0.28 % (993787)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=948022905:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.19/0.28 % (993782)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=4184999057_2999 on theBenchmark for (2999ds/0Mi)
% 0.19/0.28 % Exception at run slice level
% 0.19/0.28 User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.19/0.28 % (993785) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993776-993785"...
% 0.19/0.28 % (993787) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993776-993787"...
% 0.19/0.28 % (993783) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993776-993783"...
% 0.19/0.28 % (993787)...printing done.
% 0.19/0.28 % (993785)...printing done.
% 0.19/0.28 % (993784) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-993776-993784"...
% 0.19/0.28 % (993787)Refutation found. Thanks to Tanya!
% 0.19/0.28 % SZS status Theorem for theBenchmark
% 0.19/0.28 % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.28 % (993787)------------------------------
% 0.19/0.28 % (993787)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.19/0.28 % (993787)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.19/0.28 % (993787)CaDiCaL version: 2.1.3
% 0.19/0.28 % (993787)Termination reason: Refutation
% 0.19/0.28 % (993787)Time elapsed: 0.005 s
% 0.19/0.28 % (993787)Peak memory usage: 12 MB
% 0.19/0.28 % (993787)Instructions burned: 8 (million)
% 0.19/0.28 % (993776)Success in time 0.05 s
% 0.19/0.28 % Vampire exiting
%------------------------------------------------------------------------------