TSTP Solution File: GRP453-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP453-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n018.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 06:08:59 EDT 2024

% Result   : Unsatisfiable 1.54s 0.58s
% Output   : Refutation 1.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   36
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   79 (  79 unt;   0 def)
%            Number of atoms       :   79 (  78 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :    8 (   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   :  197 ( 197   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f7961,plain,
    $false,
    inference(trivial_inequality_removal,[],[f7937]) ).

fof(f7937,plain,
    multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3)),
    inference(superposition,[],[f4,f4262]) ).

fof(f4262,plain,
    ! [X2,X0,X1] : multiply(multiply(X2,X1),X0) = multiply(X2,multiply(X1,X0)),
    inference(backward_demodulation,[],[f3702,f4227]) ).

fof(f4227,plain,
    ! [X2,X0,X1] : multiply(X2,multiply(X0,X1)) = divide(X2,divide(inverse(X1),X0)),
    inference(superposition,[],[f5,f2061]) ).

fof(f2061,plain,
    ! [X0,X1] : inverse(multiply(X0,X1)) = divide(inverse(X1),X0),
    inference(superposition,[],[f70,f1903]) ).

fof(f1903,plain,
    ! [X0,X1] : inverse(multiply(inverse(multiply(X0,X1)),X0)) = X1,
    inference(superposition,[],[f1843,f70]) ).

fof(f1843,plain,
    ! [X0,X1] : inverse(multiply(X0,divide(inverse(X0),X1))) = X1,
    inference(forward_demodulation,[],[f1747,f1733]) ).

fof(f1733,plain,
    ! [X2,X3,X0,X1] : divide(inverse(divide(divide(X2,divide(X0,divide(inverse(X2),X3))),divide(X1,X1))),X3) = X0,
    inference(superposition,[],[f54,f114]) ).

fof(f114,plain,
    ! [X0,X1] : divide(X0,X0) = divide(X1,X1),
    inference(backward_demodulation,[],[f92,f107]) ).

fof(f107,plain,
    ! [X0] : inverse(inverse(inverse(inverse(X0)))) = X0,
    inference(superposition,[],[f104,f9]) ).

fof(f9,plain,
    ! [X0,X1] : inverse(inverse(X1)) = multiply(divide(X0,X0),X1),
    inference(superposition,[],[f5,f3]) ).

fof(f3,axiom,
    ! [X0,X1] : inverse(X0) = divide(divide(X1,X1),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

fof(f104,plain,
    ! [X0,X1] : multiply(divide(inverse(inverse(X0)),X1),X1) = X0,
    inference(backward_demodulation,[],[f95,f103]) ).

fof(f103,plain,
    ! [X0,X1] : inverse(inverse(multiply(X0,inverse(X1)))) = divide(inverse(inverse(X0)),X1),
    inference(superposition,[],[f70,f95]) ).

fof(f95,plain,
    ! [X0,X1] : multiply(inverse(inverse(multiply(X0,inverse(X1)))),X1) = X0,
    inference(superposition,[],[f70,f5]) ).

fof(f92,plain,
    ! [X0,X1] : divide(X0,X0) = divide(inverse(inverse(inverse(inverse(X1)))),X1),
    inference(superposition,[],[f70,f9]) ).

fof(f54,plain,
    ! [X2,X3,X0,X1] : divide(inverse(divide(divide(X0,divide(X1,divide(inverse(X0),X2))),divide(X3,X1))),X2) = X3,
    inference(superposition,[],[f7,f7]) ).

fof(f7,plain,
    ! [X2,X0,X1] : divide(inverse(divide(X0,divide(X1,divide(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[],[f6,f3]) ).

fof(f6,plain,
    ! [X2,X0,X1] : divide(inverse(divide(X0,divide(X1,divide(divide(divide(X0,X0),X0),X2)))),X2) = X1,
    inference(forward_demodulation,[],[f1,f3]) ).

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

fof(f1747,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(X0,divide(inverse(X0),X1))) = divide(inverse(divide(divide(X3,divide(X1,divide(inverse(X3),X4))),divide(X2,X2))),X4),
    inference(superposition,[],[f54,f75]) ).

fof(f75,plain,
    ! [X2,X0,X1] : divide(X0,X0) = divide(inverse(multiply(X1,divide(inverse(X1),X2))),X2),
    inference(forward_demodulation,[],[f56,f5]) ).

fof(f56,plain,
    ! [X2,X0,X1] : divide(X0,X0) = divide(inverse(divide(X1,inverse(divide(inverse(X1),X2)))),X2),
    inference(superposition,[],[f7,f3]) ).

fof(f70,plain,
    ! [X2,X1] : divide(inverse(inverse(multiply(X2,X1))),X1) = X2,
    inference(forward_demodulation,[],[f69,f5]) ).

fof(f69,plain,
    ! [X2,X1] : divide(inverse(inverse(divide(X2,inverse(X1)))),X1) = X2,
    inference(forward_demodulation,[],[f51,f3]) ).

fof(f51,plain,
    ! [X2,X0,X1] : divide(inverse(divide(divide(X0,X0),divide(X2,inverse(X1)))),X1) = X2,
    inference(superposition,[],[f7,f8]) ).

fof(f8,plain,
    ! [X0,X1] : inverse(X1) = divide(inverse(divide(X0,X0)),X1),
    inference(superposition,[],[f3,f3]) ).

fof(f5,plain,
    ! [X0,X1] : multiply(X0,X1) = divide(X0,inverse(X1)),
    inference(forward_demodulation,[],[f2,f3]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : multiply(X0,X1) = divide(X0,divide(divide(X2,X2),X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiply) ).

fof(f3702,plain,
    ! [X2,X0,X1] : divide(X2,divide(inverse(X0),X1)) = multiply(multiply(X2,X1),X0),
    inference(forward_demodulation,[],[f3648,f5]) ).

fof(f3648,plain,
    ! [X2,X0,X1] : multiply(divide(X2,inverse(X1)),X0) = divide(X2,divide(inverse(X0),X1)),
    inference(superposition,[],[f3067,f2253]) ).

fof(f2253,plain,
    ! [X0,X1] : divide(X1,X0) = multiply(X1,inverse(X0)),
    inference(backward_demodulation,[],[f164,f2244]) ).

fof(f2244,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(backward_demodulation,[],[f1535,f2219]) ).

fof(f2219,plain,
    ! [X3,X1] : divide(multiply(X3,inverse(inverse(X1))),X1) = X3,
    inference(backward_demodulation,[],[f2208,f2218]) ).

fof(f2218,plain,
    ! [X0,X1] : multiply(X0,inverse(inverse(X1))) = multiply(inverse(inverse(X0)),X1),
    inference(forward_demodulation,[],[f2217,f2182]) ).

fof(f2182,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = inverse(multiply(X1,inverse(X0))),
    inference(backward_demodulation,[],[f2173,f2181]) ).

fof(f2181,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = divide(inverse(inverse(X0)),X1),
    inference(backward_demodulation,[],[f2105,f2173]) ).

fof(f2105,plain,
    ! [X0,X1] : divide(inverse(inverse(X0)),X1) = inverse(divide(inverse(inverse(X1)),X0)),
    inference(backward_demodulation,[],[f103,f2061]) ).

fof(f2173,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = inverse(divide(inverse(inverse(X1)),X0)),
    inference(backward_demodulation,[],[f987,f2105]) ).

fof(f987,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = inverse(inverse(divide(inverse(inverse(X0)),X1))),
    inference(superposition,[],[f163,f952]) ).

fof(f952,plain,
    ! [X2,X1] : divide(divide(inverse(inverse(X2)),X1),inverse(X1)) = X2,
    inference(backward_demodulation,[],[f55,f893]) ).

fof(f893,plain,
    ! [X2,X0,X1] : inverse(divide(X0,divide(X1,multiply(inverse(X0),X2)))) = divide(inverse(inverse(X1)),X2),
    inference(superposition,[],[f70,f90]) ).

fof(f90,plain,
    ! [X2,X0,X1] : multiply(inverse(divide(X0,divide(X1,multiply(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[],[f67,f5]) ).

fof(f67,plain,
    ! [X2,X0,X1] : multiply(inverse(divide(X0,divide(X1,divide(inverse(X0),inverse(X2))))),X2) = X1,
    inference(superposition,[],[f7,f5]) ).

fof(f55,plain,
    ! [X2,X0,X1] : divide(inverse(divide(X0,divide(X2,multiply(inverse(X0),X1)))),inverse(X1)) = X2,
    inference(superposition,[],[f7,f5]) ).

fof(f163,plain,
    ! [X0,X1] : inverse(inverse(X0)) = multiply(divide(X0,X1),X1),
    inference(superposition,[],[f104,f107]) ).

fof(f2217,plain,
    ! [X0,X1] : multiply(inverse(inverse(X0)),X1) = inverse(multiply(inverse(X1),inverse(X0))),
    inference(forward_demodulation,[],[f2106,f2181]) ).

fof(f2106,plain,
    ! [X0,X1] : multiply(inverse(inverse(X0)),X1) = inverse(divide(inverse(inverse(inverse(X1))),X0)),
    inference(backward_demodulation,[],[f101,f2061]) ).

fof(f101,plain,
    ! [X0,X1] : inverse(inverse(multiply(X0,inverse(inverse(X1))))) = multiply(inverse(inverse(X0)),X1),
    inference(superposition,[],[f95,f95]) ).

fof(f2208,plain,
    ! [X3,X1] : divide(multiply(inverse(inverse(X3)),X1),X1) = X3,
    inference(forward_demodulation,[],[f2207,f1996]) ).

fof(f1996,plain,
    ! [X0,X1] : inverse(X0) = inverse(divide(X0,divide(X1,X1))),
    inference(forward_demodulation,[],[f1912,f164]) ).

fof(f1912,plain,
    ! [X0,X1] : inverse(X0) = inverse(multiply(X0,inverse(inverse(inverse(divide(X1,X1)))))),
    inference(superposition,[],[f1843,f125]) ).

fof(f125,plain,
    ! [X0,X1] : divide(X1,X1) = inverse(inverse(inverse(divide(X0,X0)))),
    inference(superposition,[],[f114,f12]) ).

fof(f12,plain,
    ! [X0,X1] : inverse(X1) = divide(inverse(inverse(divide(X0,X0))),X1),
    inference(superposition,[],[f8,f3]) ).

fof(f2207,plain,
    ! [X2,X3,X1] : divide(multiply(inverse(inverse(divide(X3,divide(X2,X2)))),X1),X1) = X3,
    inference(forward_demodulation,[],[f2175,f5]) ).

fof(f2175,plain,
    ! [X2,X3,X1] : divide(divide(inverse(inverse(divide(X3,divide(X2,X2)))),inverse(X1)),X1) = X3,
    inference(backward_demodulation,[],[f2010,f2105]) ).

fof(f2010,plain,
    ! [X2,X3,X1] : divide(inverse(divide(inverse(inverse(inverse(X1))),divide(X3,divide(X2,X2)))),X1) = X3,
    inference(backward_demodulation,[],[f337,f2009]) ).

fof(f2009,plain,
    ! [X0,X1] : multiply(X0,divide(inverse(X0),X1)) = inverse(inverse(inverse(X1))),
    inference(forward_demodulation,[],[f1922,f163]) ).

fof(f1922,plain,
    ! [X2,X0,X1] : multiply(X0,divide(inverse(X0),X1)) = multiply(divide(inverse(X1),X2),X2),
    inference(superposition,[],[f104,f1843]) ).

fof(f337,plain,
    ! [X2,X3,X0,X1] : divide(inverse(divide(multiply(X0,divide(inverse(X0),X1)),divide(X3,divide(X2,X2)))),X1) = X3,
    inference(superposition,[],[f7,f75]) ).

fof(f1535,plain,
    ! [X0,X1] : inverse(inverse(X0)) = divide(multiply(X0,inverse(inverse(X1))),X1),
    inference(forward_demodulation,[],[f1505,f5]) ).

fof(f1505,plain,
    ! [X0,X1] : inverse(inverse(X0)) = divide(divide(X0,inverse(inverse(inverse(X1)))),X1),
    inference(superposition,[],[f164,f163]) ).

fof(f164,plain,
    ! [X0,X1] : divide(X1,X0) = multiply(X1,inverse(inverse(inverse(X0)))),
    inference(superposition,[],[f5,f107]) ).

fof(f3067,plain,
    ! [X3,X0,X1] : divide(X3,multiply(inverse(X1),X0)) = multiply(divide(X3,X0),X1),
    inference(forward_demodulation,[],[f2852,f2374]) ).

fof(f2374,plain,
    ! [X2,X3,X0,X1] : inverse(divide(X0,divide(X1,divide(inverse(X0),multiply(inverse(X2),X3))))) = multiply(divide(X1,X2),X3),
    inference(backward_demodulation,[],[f887,f2338]) ).

fof(f2338,plain,
    ! [X0,X1] : divide(X0,X1) = inverse(divide(X1,X0)),
    inference(forward_demodulation,[],[f2325,f2253]) ).

fof(f2325,plain,
    ! [X0,X1] : divide(X0,X1) = inverse(multiply(X1,inverse(X0))),
    inference(backward_demodulation,[],[f2182,f2253]) ).

fof(f887,plain,
    ! [X2,X3,X0,X1] : inverse(divide(X0,divide(X1,divide(inverse(X0),multiply(inverse(X2),X3))))) = multiply(inverse(divide(X2,X1)),X3),
    inference(superposition,[],[f90,f7]) ).

fof(f2852,plain,
    ! [X2,X3,X0,X1] : divide(X3,multiply(inverse(X1),X0)) = inverse(divide(X2,divide(X3,divide(inverse(X2),multiply(inverse(X0),X1))))),
    inference(superposition,[],[f2425,f5]) ).

fof(f2425,plain,
    ! [X2,X3,X0,X1] : inverse(divide(X0,divide(X1,divide(inverse(X0),divide(inverse(X2),X3))))) = divide(X1,multiply(X3,X2)),
    inference(backward_demodulation,[],[f2373,f2423]) ).

fof(f2423,plain,
    ! [X2,X0,X1] : divide(divide(X0,X1),X2) = divide(X0,multiply(X2,X1)),
    inference(forward_demodulation,[],[f2422,f2338]) ).

fof(f2422,plain,
    ! [X2,X0,X1] : divide(divide(X0,X1),X2) = inverse(divide(multiply(X2,X1),X0)),
    inference(forward_demodulation,[],[f2421,f5]) ).

fof(f2421,plain,
    ! [X2,X0,X1] : divide(divide(X0,X1),X2) = inverse(divide(divide(X2,inverse(X1)),X0)),
    inference(forward_demodulation,[],[f2376,f2338]) ).

fof(f2376,plain,
    ! [X2,X0,X1] : inverse(divide(inverse(divide(inverse(X1),X2)),X0)) = divide(divide(X0,X1),X2),
    inference(backward_demodulation,[],[f2103,f2338]) ).

fof(f2103,plain,
    ! [X2,X0,X1] : divide(inverse(divide(X1,X0)),X2) = inverse(divide(inverse(divide(inverse(X1),X2)),X0)),
    inference(backward_demodulation,[],[f98,f2061]) ).

fof(f98,plain,
    ! [X2,X0,X1] : inverse(inverse(multiply(X0,divide(inverse(X1),X2)))) = divide(inverse(divide(X1,X0)),X2),
    inference(superposition,[],[f7,f70]) ).

fof(f2373,plain,
    ! [X2,X3,X0,X1] : inverse(divide(X0,divide(X1,divide(inverse(X0),divide(inverse(X2),X3))))) = divide(divide(X1,X2),X3),
    inference(backward_demodulation,[],[f61,f2338]) ).

fof(f61,plain,
    ! [X2,X3,X0,X1] : inverse(divide(X0,divide(X1,divide(inverse(X0),divide(inverse(X2),X3))))) = divide(inverse(divide(X2,X1)),X3),
    inference(superposition,[],[f7,f7]) ).

fof(f4,axiom,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : GRP453-1 : TPTP v8.1.2. Released v2.6.0.
% 0.14/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n018.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 20:37:53 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.21/0.36  % (26342)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.39  % (26345)WARNING: value z3 for option sas not known
% 0.21/0.39  % (26349)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)
% 0.21/0.39  % (26348)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)
% 0.21/0.39  % (26344)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.21/0.39  % (26343)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.21/0.39  % (26346)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.21/0.39  % (26345)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)
% 0.21/0.39  % (26347)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)
% 0.21/0.39  TRYING [1]
% 0.21/0.40  TRYING [2]
% 0.21/0.40  TRYING [1]
% 0.21/0.40  TRYING [3]
% 0.21/0.40  TRYING [2]
% 0.21/0.41  TRYING [4]
% 0.21/0.41  TRYING [3]
% 0.21/0.42  TRYING [4]
% 0.21/0.42  TRYING [5]
% 0.21/0.50  TRYING [6]
% 1.54/0.58  % (26348)First to succeed.
% 1.54/0.58  % (26348)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-26342"
% 1.54/0.58  % (26348)Refutation found. Thanks to Tanya!
% 1.54/0.58  % SZS status Unsatisfiable for theBenchmark
% 1.54/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 1.54/0.58  % (26348)------------------------------
% 1.54/0.58  % (26348)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 1.54/0.58  % (26348)Termination reason: Refutation
% 1.54/0.58  
% 1.54/0.58  % (26348)Memory used [KB]: 2673
% 1.54/0.58  % (26348)Time elapsed: 0.190 s
% 1.54/0.58  % (26348)Instructions burned: 341 (million)
% 1.54/0.58  % (26342)Success in time 0.213 s
%------------------------------------------------------------------------------