TSTP Solution File: GRP093-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP093-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun May  5 05:53:22 EDT 2024

% Result   : Unsatisfiable 1.94s 0.64s
% Output   : Refutation 1.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   60 (  51 unt;   0 def)
%            Number of atoms       :   79 (  78 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   49 (  30   ~;  19   |;   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    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :   92 (  92   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8673,plain,
    $false,
    inference(trivial_inequality_removal,[],[f8672]) ).

fof(f8672,plain,
    multiply(a4,b4) != multiply(a4,b4),
    inference(superposition,[],[f8620,f254]) ).

fof(f254,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(forward_demodulation,[],[f246,f119]) ).

fof(f119,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(backward_demodulation,[],[f12,f113]) ).

fof(f113,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(superposition,[],[f107,f6]) ).

fof(f6,plain,
    ! [X0,X1] : multiply(X0,X1) = divide(X0,inverse(X1)),
    inference(forward_demodulation,[],[f2,f3]) ).

fof(f3,axiom,
    ! [X0] : inverse(X0) = divide(identity,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

fof(f2,axiom,
    ! [X0,X1] : multiply(X0,X1) = divide(X0,divide(identity,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiply) ).

fof(f107,plain,
    ! [X0] : divide(identity,inverse(X0)) = X0,
    inference(forward_demodulation,[],[f97,f3]) ).

fof(f97,plain,
    ! [X0] : divide(identity,divide(identity,X0)) = X0,
    inference(superposition,[],[f60,f19]) ).

fof(f19,plain,
    identity = multiply(identity,identity),
    inference(superposition,[],[f11,f8]) ).

fof(f8,plain,
    identity = inverse(identity),
    inference(superposition,[],[f3,f4]) ).

fof(f4,axiom,
    ! [X0] : identity = divide(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity) ).

fof(f11,plain,
    ! [X0] : identity = multiply(inverse(X0),X0),
    inference(superposition,[],[f6,f4]) ).

fof(f60,plain,
    ! [X0,X1] : divide(multiply(identity,X0),divide(X0,X1)) = X1,
    inference(forward_demodulation,[],[f59,f12]) ).

fof(f59,plain,
    ! [X0,X1] : divide(inverse(inverse(X0)),divide(X0,X1)) = X1,
    inference(forward_demodulation,[],[f47,f3]) ).

fof(f47,plain,
    ! [X0,X1] : divide(inverse(divide(identity,X0)),divide(X0,X1)) = X1,
    inference(superposition,[],[f7,f4]) ).

fof(f7,plain,
    ! [X2,X0,X1] : divide(inverse(divide(divide(divide(X0,X1),X2),X0)),X2) = X1,
    inference(forward_demodulation,[],[f1,f3]) ).

fof(f1,axiom,
    ! [X2,X0,X1] : divide(divide(identity,divide(divide(divide(X0,X1),X2),X0)),X2) = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_axiom) ).

fof(f12,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(identity,X0),
    inference(superposition,[],[f6,f3]) ).

fof(f246,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(inverse(inverse(X1)),X0),
    inference(superposition,[],[f132,f136]) ).

fof(f136,plain,
    ! [X0,X1] : inverse(X1) = divide(X0,multiply(X0,X1)),
    inference(backward_demodulation,[],[f105,f113]) ).

fof(f105,plain,
    ! [X0,X1] : inverse(X1) = divide(multiply(identity,X0),multiply(X0,X1)),
    inference(superposition,[],[f60,f6]) ).

fof(f132,plain,
    ! [X0,X1] : multiply(inverse(divide(X0,X1)),X0) = X1,
    inference(backward_demodulation,[],[f85,f113]) ).

fof(f85,plain,
    ! [X0,X1] : multiply(inverse(divide(multiply(identity,X0),X1)),X0) = X1,
    inference(forward_demodulation,[],[f75,f12]) ).

fof(f75,plain,
    ! [X0,X1] : multiply(inverse(divide(inverse(inverse(X0)),X1)),X0) = X1,
    inference(superposition,[],[f56,f6]) ).

fof(f56,plain,
    ! [X0,X1] : divide(inverse(divide(inverse(X1),X0)),X1) = X0,
    inference(forward_demodulation,[],[f42,f3]) ).

fof(f42,plain,
    ! [X0,X1] : divide(inverse(divide(divide(identity,X1),X0)),X1) = X0,
    inference(superposition,[],[f7,f4]) ).

fof(f8620,plain,
    multiply(a4,b4) != multiply(b4,a4),
    inference(trivial_inequality_removal,[],[f8619]) ).

fof(f8619,plain,
    ( multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    inference(forward_demodulation,[],[f8510,f254]) ).

fof(f8510,plain,
    ( multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(c3,b3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    inference(superposition,[],[f142,f4186]) ).

fof(f4186,plain,
    ! [X2,X0,X1] : multiply(X2,multiply(X0,X1)) = multiply(multiply(X2,X1),X0),
    inference(forward_demodulation,[],[f4185,f1056]) ).

fof(f1056,plain,
    ! [X2,X0,X1] : multiply(X2,multiply(X1,X0)) = divide(X2,divide(inverse(X0),X1)),
    inference(superposition,[],[f122,f324]) ).

fof(f324,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(divide(inverse(X1),X0)),
    inference(superposition,[],[f180,f136]) ).

fof(f180,plain,
    ! [X0,X1] : inverse(divide(divide(X0,X1),X0)) = X1,
    inference(forward_demodulation,[],[f170,f130]) ).

fof(f130,plain,
    ! [X0] : divide(X0,identity) = X0,
    inference(backward_demodulation,[],[f80,f113]) ).

fof(f80,plain,
    ! [X0] : divide(multiply(identity,X0),identity) = X0,
    inference(forward_demodulation,[],[f79,f12]) ).

fof(f79,plain,
    ! [X0] : divide(inverse(inverse(X0)),identity) = X0,
    inference(forward_demodulation,[],[f66,f3]) ).

fof(f66,plain,
    ! [X0] : divide(inverse(divide(identity,X0)),identity) = X0,
    inference(superposition,[],[f56,f8]) ).

fof(f170,plain,
    ! [X0,X1] : inverse(divide(divide(divide(X0,X1),identity),X0)) = X1,
    inference(superposition,[],[f130,f7]) ).

fof(f122,plain,
    ! [X0,X1] : multiply(X1,inverse(X0)) = divide(X1,X0),
    inference(backward_demodulation,[],[f23,f113]) ).

fof(f23,plain,
    ! [X0,X1] : multiply(X1,inverse(X0)) = divide(X1,multiply(identity,X0)),
    inference(superposition,[],[f6,f12]) ).

fof(f4185,plain,
    ! [X2,X0,X1] : multiply(multiply(X2,X1),X0) = divide(X2,divide(inverse(X1),X0)),
    inference(forward_demodulation,[],[f4084,f6]) ).

fof(f4084,plain,
    ! [X2,X0,X1] : divide(X2,divide(inverse(X1),X0)) = divide(multiply(X2,X1),inverse(X0)),
    inference(superposition,[],[f720,f69]) ).

fof(f69,plain,
    ! [X0,X1] : divide(inverse(X1),divide(inverse(X0),X1)) = X0,
    inference(superposition,[],[f56,f56]) ).

fof(f720,plain,
    ! [X2,X0,X1] : divide(X0,X1) = divide(multiply(X0,divide(X2,X1)),X2),
    inference(backward_demodulation,[],[f349,f703]) ).

fof(f703,plain,
    ! [X2,X0,X1] : multiply(X2,divide(X0,X1)) = divide(X2,divide(X1,X0)),
    inference(superposition,[],[f6,f323]) ).

fof(f323,plain,
    ! [X0,X1] : divide(X0,X1) = inverse(divide(X1,X0)),
    inference(superposition,[],[f180,f127]) ).

fof(f127,plain,
    ! [X0,X1] : divide(X0,divide(X0,X1)) = X1,
    inference(backward_demodulation,[],[f60,f113]) ).

fof(f349,plain,
    ! [X2,X0,X1] : divide(X0,X1) = divide(divide(X0,divide(X1,X2)),X2),
    inference(backward_demodulation,[],[f144,f323]) ).

fof(f144,plain,
    ! [X2,X0,X1] : divide(X0,X1) = divide(inverse(divide(divide(X1,X2),X0)),X2),
    inference(backward_demodulation,[],[f109,f122]) ).

fof(f109,plain,
    ! [X2,X0,X1] : divide(X0,X1) = divide(inverse(multiply(divide(X1,X2),inverse(X0))),X2),
    inference(forward_demodulation,[],[f106,f23]) ).

fof(f106,plain,
    ! [X2,X0,X1] : divide(X0,X1) = divide(inverse(divide(divide(X1,X2),multiply(identity,X0))),X2),
    inference(superposition,[],[f7,f60]) ).

fof(f142,plain,
    ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    inference(trivial_inequality_removal,[],[f141]) ).

fof(f141,plain,
    ( a2 != a2
    | multiply(a4,b4) != multiply(b4,a4)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(backward_demodulation,[],[f18,f113]) ).

fof(f18,plain,
    ( a2 != multiply(identity,a2)
    | multiply(a4,b4) != multiply(b4,a4)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(trivial_inequality_removal,[],[f17]) ).

fof(f17,plain,
    ( identity != identity
    | a2 != multiply(identity,a2)
    | multiply(a4,b4) != multiply(b4,a4)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(forward_demodulation,[],[f16,f11]) ).

fof(f16,plain,
    ( identity != multiply(inverse(a1),a1)
    | a2 != multiply(identity,a2)
    | multiply(a4,b4) != multiply(b4,a4)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(forward_demodulation,[],[f15,f11]) ).

fof(f15,plain,
    ( a2 != multiply(identity,a2)
    | multiply(a4,b4) != multiply(b4,a4)
    | multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(backward_demodulation,[],[f5,f11]) ).

fof(f5,axiom,
    ( multiply(a4,b4) != multiply(b4,a4)
    | a2 != multiply(multiply(inverse(b2),b2),a2)
    | multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : GRP093-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.07/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n008.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Fri May  3 20:51:08 EDT 2024
% 0.14/0.37  % CPUTime    : 
% 0.14/0.37  % (5404)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.38  % (5407)WARNING: value z3 for option sas not known
% 0.14/0.38  % (5408)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (5409)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.14/0.38  % (5407)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.14/0.39  % (5406)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.39  % (5411)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.14/0.39  % (5410)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.14/0.39  TRYING [1]
% 0.14/0.39  TRYING [2]
% 0.14/0.39  TRYING [3]
% 0.14/0.39  TRYING [4]
% 0.14/0.40  % (5405)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.40  TRYING [1]
% 0.14/0.41  TRYING [5]
% 0.14/0.41  TRYING [2]
% 0.21/0.41  TRYING [3]
% 0.21/0.45  TRYING [4]
% 0.21/0.46  TRYING [6]
% 1.94/0.63  % (5410)First to succeed.
% 1.94/0.63  % (5410)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-5404"
% 1.94/0.64  % (5410)Refutation found. Thanks to Tanya!
% 1.94/0.64  % SZS status Unsatisfiable for theBenchmark
% 1.94/0.64  % SZS output start Proof for theBenchmark
% See solution above
% 1.94/0.64  % (5410)------------------------------
% 1.94/0.64  % (5410)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 1.94/0.64  % (5410)Termination reason: Refutation
% 1.94/0.64  
% 1.94/0.64  % (5410)Memory used [KB]: 4445
% 1.94/0.64  % (5410)Time elapsed: 0.249 s
% 1.94/0.64  % (5410)Instructions burned: 504 (million)
% 1.94/0.64  % (5404)Success in time 0.262 s
%------------------------------------------------------------------------------