TSTP Solution File: GRP410-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP410-1 : 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 : n003.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 06:08:31 EDT 2024

% Result   : Unsatisfiable 2.83s 0.75s
% Output   : Refutation 2.83s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   31 (  31 unt;   0 def)
%            Number of atoms       :   31 (  30 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    5 (   5   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :   10 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   93 (  93   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f15593,plain,
    $false,
    inference(subsumption_resolution,[],[f15469,f15069]) ).

fof(f15069,plain,
    ! [X2,X1] : multiply(inverse(multiply(inverse(X1),X1)),X2) = X2,
    inference(forward_demodulation,[],[f14800,f79]) ).

fof(f79,plain,
    ! [X2,X3,X1] : multiply(multiply(multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(X2),X2))) = X1,
    inference(superposition,[],[f1,f3]) ).

fof(f3,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))) = multiply(multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))),
    inference(superposition,[],[f1,f1]) ).

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

fof(f14800,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(multiply(inverse(X1),X1)),X2) = multiply(multiply(multiply(inverse(multiply(X0,inverse(X2))),multiply(X0,inverse(inverse(multiply(inverse(X3),X3))))),inverse(multiply(inverse(inverse(multiply(inverse(X3),X3))),inverse(multiply(inverse(X3),X3))))),inverse(multiply(inverse(X3),X3))),
    inference(superposition,[],[f79,f6032]) ).

fof(f6032,plain,
    ! [X2,X0,X1] : inverse(multiply(X0,inverse(X2))) = inverse(multiply(X0,inverse(multiply(inverse(multiply(inverse(X1),X1)),X2)))),
    inference(forward_demodulation,[],[f5996,f2069]) ).

fof(f2069,plain,
    ! [X2,X3,X0,X1] : inverse(X0) = multiply(multiply(inverse(multiply(X2,inverse(multiply(inverse(X1),X1)))),multiply(X2,inverse(X0))),inverse(multiply(inverse(X3),X3))),
    inference(superposition,[],[f801,f669]) ).

fof(f669,plain,
    ! [X3,X1] : multiply(inverse(X1),X1) = multiply(inverse(X3),X3),
    inference(superposition,[],[f594,f1]) ).

fof(f594,plain,
    ! [X2,X3,X1] : multiply(inverse(X1),X1) = multiply(inverse(multiply(X3,inverse(multiply(inverse(X2),X2)))),multiply(X3,inverse(multiply(inverse(X2),X2)))),
    inference(superposition,[],[f263,f1]) ).

fof(f263,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(multiply(X4,inverse(multiply(inverse(X2),X2)))),multiply(X4,inverse(X3))) = multiply(inverse(X1),multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))),inverse(X3))),
    inference(superposition,[],[f204,f1]) ).

fof(f204,plain,
    ! [X3,X1,X4,X5] : multiply(inverse(multiply(X3,inverse(X4))),multiply(X3,inverse(X1))) = multiply(inverse(multiply(X5,inverse(X4))),multiply(X5,inverse(X1))),
    inference(superposition,[],[f143,f1]) ).

fof(f143,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(multiply(X0,inverse(X2))))) = multiply(inverse(multiply(X4,inverse(X1))),multiply(X4,inverse(multiply(X0,inverse(X2))))),
    inference(superposition,[],[f74,f75]) ).

fof(f75,plain,
    ! [X2,X3,X1] : multiply(inverse(multiply(X3,inverse(multiply(multiply(X1,inverse(multiply(inverse(X2),X2))),X2)))),multiply(X3,inverse(X2))) = X1,
    inference(superposition,[],[f3,f1]) ).

fof(f74,plain,
    ! [X2,X3,X1,X4] : multiply(inverse(multiply(X4,inverse(multiply(X1,X2)))),multiply(X4,inverse(X2))) = multiply(inverse(multiply(X3,inverse(multiply(X1,X2)))),multiply(X3,inverse(X2))),
    inference(superposition,[],[f3,f3]) ).

fof(f801,plain,
    ! [X2,X3,X0,X1] : multiply(multiply(inverse(multiply(X2,inverse(multiply(X3,X0)))),multiply(X2,inverse(X0))),inverse(multiply(inverse(X1),X1))) = X3,
    inference(superposition,[],[f1,f669]) ).

fof(f5996,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(X0,inverse(multiply(inverse(multiply(inverse(X1),X1)),X2)))) = multiply(multiply(inverse(multiply(X4,inverse(multiply(inverse(X3),X3)))),multiply(X4,inverse(multiply(X0,inverse(X2))))),inverse(multiply(inverse(multiply(X0,inverse(X2))),multiply(X0,inverse(X2))))),
    inference(superposition,[],[f1,f1076]) ).

fof(f1076,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(multiply(X3,inverse(multiply(inverse(multiply(inverse(X2),X2)),X1)))),multiply(X3,inverse(X1))),
    inference(superposition,[],[f75,f948]) ).

fof(f948,plain,
    ! [X3,X0,X1] : inverse(multiply(inverse(X0),X0)) = multiply(multiply(inverse(X3),X3),inverse(multiply(inverse(X1),X1))),
    inference(forward_demodulation,[],[f872,f801]) ).

fof(f872,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(X0),X0)) = multiply(multiply(inverse(multiply(multiply(inverse(multiply(X2,inverse(multiply(X3,X0)))),multiply(X2,inverse(X0))),inverse(multiply(inverse(X1),X1)))),X3),inverse(multiply(inverse(X1),X1))),
    inference(superposition,[],[f5,f669]) ).

fof(f5,plain,
    ! [X2,X3,X0,X1] : multiply(multiply(inverse(multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))),inverse(multiply(X3,multiply(inverse(X2),X2))))),X1),inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))) = X3,
    inference(superposition,[],[f1,f1]) ).

fof(f15469,plain,
    ! [X1] : a2 != multiply(inverse(multiply(inverse(X1),X1)),a2),
    inference(superposition,[],[f8772,f15069]) ).

fof(f8772,plain,
    ! [X2,X1] : a2 != multiply(multiply(inverse(multiply(inverse(X1),X1)),inverse(multiply(inverse(X2),X2))),a2),
    inference(superposition,[],[f2296,f7864]) ).

fof(f7864,plain,
    ! [X3,X1] : inverse(multiply(inverse(X1),X1)) = inverse(inverse(multiply(inverse(X3),X3))),
    inference(superposition,[],[f7405,f1]) ).

fof(f7405,plain,
    ! [X2,X3,X1] : inverse(inverse(multiply(inverse(X3),X3))) = inverse(multiply(inverse(multiply(X2,inverse(X1))),multiply(X2,inverse(X1)))),
    inference(forward_demodulation,[],[f7122,f6032]) ).

fof(f7122,plain,
    ! [X2,X3,X1] : inverse(inverse(multiply(inverse(X3),X3))) = inverse(multiply(inverse(multiply(X2,inverse(multiply(inverse(multiply(inverse(X1),X1)),X1)))),multiply(X2,inverse(X1)))),
    inference(superposition,[],[f6123,f3]) ).

fof(f6123,plain,
    ! [X2,X0,X1] : inverse(inverse(multiply(inverse(X2),X2))) = inverse(multiply(multiply(inverse(X0),X0),inverse(multiply(inverse(X1),X1)))),
    inference(superposition,[],[f6032,f948]) ).

fof(f2296,plain,
    ! [X0,X1] : a2 != multiply(multiply(inverse(inverse(multiply(inverse(X0),X0))),inverse(multiply(inverse(X1),X1))),a2),
    inference(superposition,[],[f823,f2111]) ).

fof(f2111,plain,
    ! [X2,X3,X1] : multiply(X1,inverse(multiply(inverse(X2),X2))) = multiply(X1,inverse(multiply(inverse(X3),X3))),
    inference(superposition,[],[f801,f75]) ).

fof(f823,plain,
    ! [X0] : a2 != multiply(multiply(inverse(X0),X0),a2),
    inference(superposition,[],[f2,f669]) ).

fof(f2,axiom,
    a2 != multiply(multiply(inverse(b2),b2),a2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : GRP410-1 : TPTP v8.1.2. Released v2.6.0.
% 0.03/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n003.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % 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    : 
% 0.14/0.36  % (2084)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.38  % (2087)WARNING: value z3 for option sas not known
% 0.22/0.38  % (2085)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.22/0.38  % (2088)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.22/0.38  % (2086)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.22/0.38  % (2087)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)
% 0.22/0.38  % (2090)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)
% 0.22/0.38  % (2089)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)
% 0.22/0.38  % (2091)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)
% 0.22/0.38  TRYING [1]
% 0.22/0.38  TRYING [2]
% 0.22/0.38  TRYING [1]
% 0.22/0.38  TRYING [3]
% 0.22/0.38  TRYING [2]
% 0.22/0.38  TRYING [3]
% 0.22/0.41  TRYING [4]
% 1.30/0.54  TRYING [4]
% 2.83/0.75  % (2091)First to succeed.
% 2.83/0.75  % (2091)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-2084"
% 2.83/0.75  % (2091)Refutation found. Thanks to Tanya!
% 2.83/0.75  % SZS status Unsatisfiable for theBenchmark
% 2.83/0.75  % SZS output start Proof for theBenchmark
% See solution above
% 2.83/0.75  % (2091)------------------------------
% 2.83/0.75  % (2091)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 2.83/0.75  % (2091)Termination reason: Refutation
% 2.83/0.75  
% 2.83/0.75  % (2091)Memory used [KB]: 7424
% 2.83/0.75  % (2091)Time elapsed: 0.371 s
% 2.83/0.75  % (2091)Instructions burned: 1121 (million)
% 2.83/0.75  % (2084)Success in time 0.377 s
%------------------------------------------------------------------------------