%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : KLE066+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 : n017.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 11:40:48 AM UTC 2026
% Result : Theorem 0.10s 0.45s
% Output : Refutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 6
% Syntax : Number of formulae : 22 ( 18 unt; 0 def)
% Number of atoms : 26 ( 25 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 8 ( 4 ~; 0 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 16 ( 14 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X0] : addition(X0,zero) = X0,
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+0.ax',additive_identity) ).
fof(f11,axiom,
! [X0] : multiplication(zero,X0) = zero,
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+0.ax',left_annihilation) ).
fof(f13,axiom,
! [X0] : addition(X0,multiplication(domain(X0),X0)) = multiplication(domain(X0),X0),
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain1) ).
fof(f14,axiom,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain2) ).
fof(f16,axiom,
domain(zero) = zero,
file('/export/starexec/sandbox/benchmark/Axioms/KLE001+5.ax',domain4) ).
fof(f18,conjecture,
! [X0,X1] :
( multiplication(X0,domain(X1)) = zero
=> multiplication(X0,X1) = zero ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goals) ).
fof(f19,negated_conjecture,
~ ! [X0,X1] :
( multiplication(X0,domain(X1)) = zero
=> multiplication(X0,X1) = zero ),
inference(negated_conjecture,[status(cth)],[f18]) ).
fof(f20,plain,
? [X0,X1] :
( zero != multiplication(X0,X1)
& multiplication(X0,domain(X1)) = zero ),
inference(ennf_transformation,[],[f19]) ).
fof(f21,plain,
( zero != multiplication(sK0,sK1)
& zero = multiplication(sK0,domain(sK1)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f20]) ).
fof(f24,plain,
! [X0] : addition(X0,zero) = X0,
inference(cnf_transformation,[],[f3]) ).
fof(f32,plain,
! [X0] : zero = multiplication(zero,X0),
inference(cnf_transformation,[],[f11]) ).
fof(f33,plain,
! [X0] : multiplication(domain(X0),X0) = addition(X0,multiplication(domain(X0),X0)),
inference(cnf_transformation,[],[f13]) ).
fof(f34,plain,
! [X0,X1] : domain(multiplication(X0,X1)) = domain(multiplication(X0,domain(X1))),
inference(cnf_transformation,[],[f14]) ).
fof(f36,plain,
zero = domain(zero),
inference(cnf_transformation,[],[f16]) ).
fof(f38,plain,
zero = multiplication(sK0,domain(sK1)),
inference(cnf_transformation,[],[f21]) ).
fof(f39,plain,
zero != multiplication(sK0,sK1),
inference(cnf_transformation,[],[f21]) ).
fof(f56,plain,
domain(zero) = domain(multiplication(sK0,sK1)),
inference(superposition,[],[f34,f38]) ).
fof(f58,plain,
zero = domain(multiplication(sK0,sK1)),
inference(forward_demodulation,[],[f56,f36]) ).
fof(f153,plain,
multiplication(zero,multiplication(sK0,sK1)) = addition(multiplication(sK0,sK1),multiplication(zero,multiplication(sK0,sK1))),
inference(superposition,[],[f33,f58]) ).
fof(f161,plain,
zero = addition(multiplication(sK0,sK1),zero),
inference(forward_demodulation,[],[f153,f32]) ).
fof(f163,plain,
zero = multiplication(sK0,sK1),
inference(forward_demodulation,[],[f161,f24]) ).
fof(f165,plain,
$false,
inference(forward_subsumption_resolution,[],[f163,f39]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : KLE066+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.37 % Computer : n017.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sun Sep 27 13:04:06 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.10/0.40 Running first-order model finding
% 0.10/0.40 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
% 0.10/0.45 % (2535072)Will run a generic schedule for satisfiability detection.
% 0.10/0.45 % (2535079)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=645548025:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.10/0.45 % (2535078)% WARNING: option uhcvi not known.
% 0.10/0.45 % (2535077)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3980468300_2999 on theBenchmark for (2999ds/0Mi)
% 0.10/0.45 % (2535080)dis+10_1_sil=32000:sp=arity:random_seed=3073611172:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.10/0.45 % (2535083)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3759980845:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.10/0.45 % (2535081)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=468029739:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.10/0.45 % (2535082)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1070803329:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.10/0.45 % (2535078)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=917272176:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.10/0.45 % TRYING [1]
% 0.10/0.45 % TRYING [2]
% 0.10/0.45 % TRYING [3]
% 0.10/0.45 % (2535080) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2535072-2535080"...
% 0.10/0.45 % (2535082) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2535072-2535082"...
% 0.10/0.45 % (2535081) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2535072-2535081"...
% 0.10/0.45 % (2535080)...printing done.
% 0.10/0.45 % (2535078) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2535072-2535078"...
% 0.10/0.45 % (2535082)...printing done.
% 0.10/0.45 % (2535081)...printing done.
% 0.10/0.45 % (2535078)...printing done.
% 0.10/0.45 % TRYING [4]
% 0.10/0.45 % (2535080)Refutation found. Thanks to Tanya!
% 0.10/0.45 % SZS status Theorem for theBenchmark
% 0.10/0.45 % SZS output start Proof for theBenchmark
% See solution above
% 0.10/0.45 % (2535080)------------------------------
% 0.10/0.45 % (2535080)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.10/0.45 % (2535080)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.10/0.45 % (2535080)CaDiCaL version: 2.1.3
% 0.10/0.45 % (2535080)Termination reason: Refutation
% 0.10/0.45 % (2535080)Time elapsed: 0.005 s
% 0.10/0.45 % (2535080)Peak memory usage: 12 MB
% 0.10/0.45 % (2535080)Instructions burned: 7 (million)
% 0.10/0.45 % (2535072)Success in time 0.04 s
% 0.10/0.45 % Vampire exiting
%------------------------------------------------------------------------------