%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : KLE074+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n010.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 11:40:16 AM UTC 2026
% Result : Theorem 2.78s 1.58s
% Output : Refutation 2.78s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 3
% Syntax : Number of formulae : 14 ( 14 unt; 0 def)
% Number of atoms : 14 ( 13 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 8 ( 8 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 19 ( 16 !; 3 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f5,axiom,
! [X0,X1,X2] : multiplication(X0,multiplication(X1,X2)) = multiplication(multiplication(X0,X1),X2),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiplicative_associativity) ).
fof(f14,axiom,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',domain2) ).
fof(f18,conjecture,
! [X0,X1,X2] : domain(multiplication(multiplication(X0,X1),domain(X2))) = domain(multiplication(X0,domain(multiplication(X1,domain(X2))))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
fof(f19,negated_conjecture,
~ ! [X0,X1,X2] : domain(multiplication(multiplication(X0,X1),domain(X2))) = domain(multiplication(X0,domain(multiplication(X1,domain(X2))))),
inference(negated_conjecture,[status(cth)],[f18]) ).
fof(f20,plain,
? [X0,X1,X2] : domain(multiplication(multiplication(X0,X1),domain(X2))) != domain(multiplication(X0,domain(multiplication(X1,domain(X2))))),
inference(ennf_transformation,[],[f19]) ).
fof(f21,plain,
domain(multiplication(multiplication(sK0,sK1),domain(sK2))) != domain(multiplication(sK0,domain(multiplication(sK1,domain(sK2))))),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f20]) ).
fof(f22,plain,
domain(multiplication(multiplication(sK0,sK1),domain(sK2))) != domain(multiplication(sK0,domain(multiplication(sK1,domain(sK2))))),
inference(cnf_transformation,[],[f21]) ).
fof(f25,plain,
! [X2,X0,X1] : multiplication(X0,multiplication(X1,X2)) = multiplication(multiplication(X0,X1),X2),
inference(cnf_transformation,[],[f5]) ).
fof(f27,plain,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
inference(cnf_transformation,[],[f14]) ).
fof(f39,plain,
domain(multiplication(multiplication(sK0,sK1),domain(sK2))) != domain(multiplication(sK0,domain(multiplication(sK1,sK2)))),
inference(superposition,[],[f22,f27]) ).
fof(f46,plain,
domain(multiplication(multiplication(sK0,sK1),domain(sK2))) != domain(multiplication(sK0,multiplication(sK1,sK2))),
inference(forward_demodulation,[],[f39,f27]) ).
fof(f48,plain,
domain(multiplication(multiplication(sK0,sK1),sK2)) != domain(multiplication(sK0,multiplication(sK1,sK2))),
inference(forward_demodulation,[],[f46,f27]) ).
fof(f51,plain,
domain(multiplication(sK0,multiplication(sK1,sK2))) != domain(multiplication(sK0,multiplication(sK1,sK2))),
inference(superposition,[],[f48,f25]) ).
fof(f52,plain,
$false,
inference(trivial_inequality_removal,[],[f51]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : KLE074+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.59 % Computer : n010.cluster.edu
% 0.10/0.59 % Model : x86_64 x86_64
% 0.10/0.59 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.59 % Memory : 8046.5625MB
% 0.10/0.59 % OS : Linux 6.8.0-71-generic
% 0.10/0.59 % CPULimit : 300
% 0.10/0.59 % WCLimit : 300
% 0.10/0.59 % DateTime : Sun Sep 27 13:09:17 UTC 2026
% 0.10/0.60 % CPUTime :
% 0.10/0.60 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.63 Running first-order theorem proving
% 0.15/0.63 Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.78/1.58 % (950498)Detected formulas, will run a generic FOF schedule.
% 2.78/1.58 % (950507)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=1601879755:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 2.78/1.58 % (950507)First to succeed.
% 2.78/1.58 % (950507)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-950498"
% 2.78/1.58 % (950508)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=1659969244:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 2.78/1.58 % (950509)dis-21_1_sil=8000:lcm=predicate:random_seed=3182514672:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 2.78/1.58 % (950505)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=3215948972:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 2.78/1.58 % (950504)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=142553825:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 2.78/1.58 % (950503)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=1826059853:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 2.78/1.58 % (950506)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1486187344:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 2.78/1.58 % (950506)Refutation not found, incomplete strategy
% 2.78/1.58 % (950506)------------------------------
% 2.78/1.58 % (950506)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.78/1.58 % (950506)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.78/1.58 % (950509)Refutation not found, incomplete strategy
% 2.78/1.58 % (950509)------------------------------
% 2.78/1.58 % (950509)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.78/1.58 % (950506)CaDiCaL version: 2.1.3
% 2.78/1.58 % (950509)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.78/1.58 % (950506)Termination reason: Refutation not found, incomplete strategy
% 2.78/1.58 % (950506)Time elapsed: 0.001 s
% 2.78/1.58 % (950506)Peak memory usage: 88 MB
% 2.78/1.58 % (950509)CaDiCaL version: 2.1.3
% 2.78/1.58 % (950509)Termination reason: Refutation not found, incomplete strategy
% 2.78/1.58 % (950509)Time elapsed: 0.001 s
% 2.78/1.58 % (950509)Peak memory usage: 88 MB
% 2.78/1.58 % (950509)Instructions burned: 1 (million)
% 2.78/1.58 % (950508)Also succeeded, but the first one will report.
% 2.78/1.58 % (950507)Refutation found. Thanks to Tanya!
% 2.78/1.58 % SZS status Theorem for theBenchmark
% 2.78/1.58 % SZS output start Proof for theBenchmark
% See solution above
% 2.78/1.58 % (950507)------------------------------
% 2.78/1.58 % (950507)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.78/1.58 % (950507)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.78/1.58 % (950507)CaDiCaL version: 2.1.3
% 2.78/1.58 % (950507)Termination reason: Refutation
% 2.78/1.58 % (950507)Time elapsed: 0.002 s
% 2.78/1.58 % (950507)Peak memory usage: 88 MB
% 2.78/1.58 % (950507)Instructions burned: 2 (million)
% 2.78/1.58 % (950507)------------------------------
% 2.78/1.58 % (950507)------------------------------
% 2.78/1.58 % (950498)Success in time 0.31 s
% 2.78/1.58 % Vampire exiting
%------------------------------------------------------------------------------