%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : REL002-1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n016.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 12:34:11 PM UTC 2026
% Result : Unsatisfiable 0.39s 0.48s
% Output : Refutation 0.39s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 9
% Syntax : Number of formulae : 28 ( 28 unt; 0 def)
% Number of atoms : 28 ( 27 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 3 con; 0-2 aty)
% Number of variables : 37 ( 37 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0,X1] : join(X0,X1) = join(X1,X0),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',maddux1_join_commutativity_1) ).
fof(f2,axiom,
! [X2,X0,X1] : join(X0,join(X1,X2)) = join(join(X0,X1),X2),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',maddux2_join_associativity_2) ).
fof(f7,axiom,
! [X2,X0,X1] : composition(X0,composition(X1,X2)) = composition(composition(X0,X1),X2),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',composition_associativity_5) ).
fof(f8,axiom,
! [X0] : composition(X0,one) = X0,
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',composition_identity_6) ).
fof(f10,axiom,
! [X0] : converse(converse(X0)) = X0,
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',converse_idempotence_8) ).
fof(f12,axiom,
! [X0,X1] : converse(composition(X0,X1)) = composition(converse(X1),converse(X0)),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',converse_multiplicativity_10) ).
fof(f13,axiom,
! [X0,X1] : join(composition(converse(X0),complement(composition(X0,X1))),complement(X1)) = complement(X1),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',converse_cancellativity_11) ).
fof(f14,plain,
! [X0,X1] : complement(X1) = join(composition(converse(X0),complement(composition(X0,X1))),complement(X1)),
inference(reorient_equations,[],[f13]) ).
fof(f15,axiom,
! [X0] : top = join(X0,complement(X0)),
file('/export/starexec/sandbox/benchmark/Axioms/REL001-0.ax',def_top_12) ).
fof(f17,negated_conjecture,
join(sk1,top) != top,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals_14) ).
fof(f18,plain,
top != join(sk1,top),
inference(reorient_equations,[],[f17]) ).
fof(f39,plain,
! [X0,X1] : converse(composition(converse(X0),X1)) = composition(converse(X1),X0),
inference(superposition,[],[f12,f10]) ).
fof(f40,plain,
! [X0,X1] : join(X0,join(complement(X0),X1)) = join(top,X1),
inference(superposition,[],[f2,f15]) ).
fof(f49,plain,
! [X0,X1] : top = join(X0,join(X1,complement(join(X0,X1)))),
inference(superposition,[],[f15,f2]) ).
fof(f60,plain,
! [X0,X1] : composition(X0,X1) = composition(X0,composition(one,X1)),
inference(superposition,[],[f7,f8]) ).
fof(f394,plain,
! [X0] : converse(converse(X0)) = composition(converse(one),X0),
inference(superposition,[],[f39,f8]) ).
fof(f417,plain,
! [X0] : composition(converse(one),X0) = X0,
inference(forward_demodulation,[],[f394,f10]) ).
fof(f431,plain,
! [X0,X1] : join(top,X0) = join(X1,join(X0,complement(X1))),
inference(superposition,[],[f40,f1]) ).
fof(f457,plain,
! [X0] : complement(X0) = join(complement(composition(one,X0)),complement(X0)),
inference(superposition,[],[f14,f417]) ).
fof(f463,plain,
! [X0] : composition(one,X0) = composition(converse(one),X0),
inference(superposition,[],[f60,f417]) ).
fof(f467,plain,
! [X0] : composition(one,X0) = X0,
inference(forward_demodulation,[],[f463,f417]) ).
fof(f471,plain,
! [X0] : complement(X0) = join(complement(X0),complement(composition(one,X0))),
inference(forward_demodulation,[],[f457,f1]) ).
fof(f476,plain,
! [X0] : complement(X0) = join(complement(X0),complement(X0)),
inference(forward_demodulation,[],[f471,f467]) ).
fof(f822,plain,
! [X0] : top = join(complement(X0),join(complement(X0),complement(complement(X0)))),
inference(superposition,[],[f49,f476]) ).
fof(f825,plain,
! [X0] : top = join(top,complement(X0)),
inference(forward_demodulation,[],[f822,f431]) ).
fof(f890,plain,
! [X0] : top = join(X0,top),
inference(superposition,[],[f49,f825]) ).
fof(f957,plain,
top != top,
inference(superposition,[],[f18,f890]) ).
fof(f958,plain,
$false,
inference(trivial_inequality_removal,[],[f957]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : REL002-1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.38 % Computer : n016.cluster.edu
% 0.10/0.38 % Model : x86_64 x86_64
% 0.10/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.38 % Memory : 8046.5625MB
% 0.10/0.38 % OS : Linux 6.8.0-71-generic
% 0.10/0.38 % CPULimit : 300
% 0.10/0.38 % WCLimit : 300
% 0.10/0.38 % DateTime : Sun Sep 27 22:55:02 UTC 2026
% 0.10/0.38 % CPUTime :
% 0.10/0.38 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.42 Running first-order model finding
% 0.10/0.42 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
% 0.39/0.48 % (3077343)Will run a generic schedule for satisfiability detection.
% 0.39/0.48 % (3077354)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2402094188:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.39/0.48 % (3077348)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=2077981646_2999 on theBenchmark for (2999ds/0Mi)
% 0.39/0.48 % (3077353)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1377486717:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.39/0.48 % (3077352)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=3563254093:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.39/0.48 % (3077350)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2310095717:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.39/0.48 % (3077351)dis+10_1_sil=32000:sp=arity:random_seed=2216717495:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.39/0.48 % TRYING [1]
% 0.39/0.48 % TRYING [2]
% 0.39/0.48 % TRYING [3]
% 0.39/0.48 % (3077349)% WARNING: option uhcvi not known.
% 0.39/0.48 % (3077349)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=4169519706:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.39/0.48 % TRYING [4]
% 0.39/0.48 % (3077352) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3077343-3077352"...
% 0.39/0.48 % (3077352)...printing done.
% 0.39/0.48 % (3077352)Refutation found. Thanks to Tanya!
% 0.39/0.48 % SZS status Unsatisfiable for theBenchmark
% 0.39/0.48 % SZS output start Proof for theBenchmark
% See solution above
% 0.39/0.48 % (3077352)------------------------------
% 0.39/0.48 % (3077352)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.39/0.48 % (3077352)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.39/0.48 % (3077352)CaDiCaL version: 2.1.3
% 0.39/0.48 % (3077352)Termination reason: Refutation
% 0.39/0.48 % (3077352)Time elapsed: 0.026 s
% 0.39/0.48 % (3077352)Peak memory usage: 12 MB
% 0.39/0.48 % (3077352)Instructions burned: 38 (million)
% 0.39/0.48 % (3077343)Success in time 0.05 s
% 0.39/0.48 % Vampire exiting
%------------------------------------------------------------------------------