%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : LCL360-1 : TPTP v9.3.1. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n009.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 11:58:26 AM UTC 2026
% Result : Unsatisfiable 0.22s 0.54s
% Output : Refutation 0.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of formulae : 7 ( 5 unt; 0 def)
% Number of atoms : 10 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 8 ( 5 ~; 3 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 10 ( 10 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] :
( ~ is_a_theorem(implies(X0,X1))
| ~ is_a_theorem(X0)
| is_a_theorem(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).
fof(f2,axiom,
! [X2,X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_1) ).
fof(f4,axiom,
! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_3) ).
fof(f5,negated_conjecture,
~ is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_cn_09) ).
fof(f17,plain,
! [X2,X0,X1] :
( is_a_theorem(implies(implies(X1,X2),implies(X0,X2)))
| ~ is_a_theorem(implies(X0,X1)) ),
inference(resolution,[],[f2,f1]) ).
fof(f18,plain,
~ is_a_theorem(implies(x,implies(not(x),y))),
inference(resolution,[],[f17,f5]) ).
fof(f20,plain,
$false,
inference(forward_subsumption_resolution,[],[f18,f4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL360-1 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.07 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.16/0.45 % Computer : n009.cluster.edu
% 0.16/0.45 % Model : x86_64 x86_64
% 0.16/0.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.45 % Memory : 8046.5625MB
% 0.16/0.45 % OS : Linux 6.8.0-71-generic
% 0.16/0.45 % CPULimit : 300
% 0.16/0.45 % WCLimit : 300
% 0.16/0.45 % DateTime : Sun Sep 27 15:36:30 UTC 2026
% 0.16/0.46 % CPUTime :
% 0.16/0.46 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.22/0.49 Running first-order model finding
% 0.22/0.49 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
% 0.22/0.54 % (2186953)Will run a generic schedule for satisfiability detection.
% 0.22/0.54 % (2186968)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3002095547_2999 on theBenchmark for (2999ds/0Mi)
% 0.22/0.54 % TRYING [1]
% 0.22/0.54 % TRYING [2]
% 0.22/0.54 % TRYING [3]
% 0.22/0.54 % (2186969)% WARNING: option uhcvi not known.
% 0.22/0.54 % TRYING [4]
% 0.22/0.54 % (2186969)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=787211193:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.22/0.54 % (2186970)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2715085801:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.22/0.54 % (2186973)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=704015120:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.22/0.54 % (2186975)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3504733561:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.22/0.54 % (2186972)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2881204101:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.22/0.54 % (2186971)dis+10_1_sil=32000:sp=arity:random_seed=3490158845:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.22/0.54 % (2186969) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186969"...
% 0.22/0.54 % (2186975) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186975"...
% 0.22/0.54 % (2186971) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186971"...
% 0.22/0.54 % (2186972) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186972"...
% 0.22/0.54 % (2186973) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186973"...
% 0.22/0.54 % (2186970) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2186953-2186970"...
% 0.22/0.54 % (2186969)...printing done.
% 0.22/0.54 % (2186975)...printing done.
% 0.22/0.54 % (2186971)...printing done.
% 0.22/0.54 % (2186972)...printing done.
% 0.22/0.54 % (2186973)...printing done.
% 0.22/0.54 % (2186970)...printing done.
% 0.22/0.54 % (2186969)Refutation found. Thanks to Tanya!
% 0.22/0.54 % SZS status Unsatisfiable for theBenchmark
% 0.22/0.54 % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.54 % (2186969)------------------------------
% 0.22/0.54 % (2186969)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.54 % (2186969)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.54 % (2186969)CaDiCaL version: 2.1.3
% 0.22/0.54 % (2186969)Termination reason: Refutation
% 0.22/0.54 % (2186969)Time elapsed: 0.001 s
% 0.22/0.54 % (2186969)Peak memory usage: 11 MB
% 0.22/0.54 % (2186953)Success in time 0.042 s
% 0.22/0.54 % Vampire exiting
%------------------------------------------------------------------------------