TSTP Solution File: GRP488-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP488-1 : 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 : n002.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 : Tue Apr 30 12:07:19 EDT 2024

% Result   : Unsatisfiable 0.21s 0.42s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   84 (  84 unt;   0 def)
%            Number of atoms       :   84 (  83 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   2 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  122 ( 122   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1483,plain,
    $false,
    inference(trivial_inequality_removal,[],[f1481]) ).

fof(f1481,plain,
    a2 != a2,
    inference(superposition,[],[f5,f1058]) ).

fof(f1058,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(backward_demodulation,[],[f548,f1035]) ).

fof(f1035,plain,
    ! [X0,X1] : double_divide(X0,multiply(inverse(X1),inverse(X0))) = X1,
    inference(backward_demodulation,[],[f488,f1015]) ).

fof(f1015,plain,
    ! [X0] : inverse(X0) = double_divide(identity,X0),
    inference(backward_demodulation,[],[f258,f1013]) ).

fof(f1013,plain,
    ! [X0] : multiply(X0,identity) = X0,
    inference(backward_demodulation,[],[f939,f1012]) ).

fof(f1012,plain,
    ! [X1] : double_divide(identity,inverse(X1)) = X1,
    inference(backward_demodulation,[],[f283,f1011]) ).

fof(f1011,plain,
    ! [X0,X1] : inverse(X1) = multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1)))),
    inference(forward_demodulation,[],[f1010,f544]) ).

fof(f544,plain,
    ! [X0,X1] : inverse(X1) = double_divide(X0,multiply(X1,inverse(X0))),
    inference(forward_demodulation,[],[f535,f258]) ).

fof(f535,plain,
    ! [X0,X1] : inverse(X1) = double_divide(X0,multiply(X1,double_divide(identity,multiply(X0,identity)))),
    inference(superposition,[],[f66,f514]) ).

fof(f514,plain,
    ! [X0] : multiply(identity,X0) = multiply(X0,identity),
    inference(superposition,[],[f493,f16]) ).

fof(f16,plain,
    ! [X0] : multiply(identity,X0) = inverse(inverse(X0)),
    inference(superposition,[],[f8,f3]) ).

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

fof(f8,plain,
    ! [X0] : multiply(identity,X0) = double_divide(inverse(X0),identity),
    inference(superposition,[],[f2,f3]) ).

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

fof(f493,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(X0,identity),
    inference(forward_demodulation,[],[f475,f336]) ).

fof(f336,plain,
    ! [X0,X1] : multiply(X1,X0) = multiply(multiply(X1,X0),identity),
    inference(superposition,[],[f265,f11]) ).

fof(f11,plain,
    ! [X0,X1] : multiply(X1,X0) = inverse(double_divide(X0,X1)),
    inference(superposition,[],[f2,f3]) ).

fof(f265,plain,
    ! [X0] : inverse(X0) = multiply(inverse(X0),identity),
    inference(forward_demodulation,[],[f264,f66]) ).

fof(f264,plain,
    ! [X0,X1] : double_divide(X1,multiply(X0,double_divide(identity,multiply(identity,X1)))) = multiply(inverse(X0),identity),
    inference(forward_demodulation,[],[f263,f16]) ).

fof(f263,plain,
    ! [X0,X1] : double_divide(X1,multiply(X0,double_divide(identity,inverse(inverse(X1))))) = multiply(inverse(X0),identity),
    inference(forward_demodulation,[],[f262,f3]) ).

fof(f262,plain,
    ! [X0,X1] : double_divide(X1,multiply(X0,double_divide(identity,double_divide(inverse(X1),identity)))) = multiply(inverse(X0),identity),
    inference(forward_demodulation,[],[f226,f230]) ).

fof(f230,plain,
    identity = inverse(identity),
    inference(forward_demodulation,[],[f223,f4]) ).

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

fof(f223,plain,
    inverse(identity) = double_divide(identity,inverse(identity)),
    inference(superposition,[],[f218,f13]) ).

fof(f13,plain,
    ! [X0] : multiply(inverse(X0),X0) = inverse(identity),
    inference(forward_demodulation,[],[f9,f3]) ).

fof(f9,plain,
    ! [X0] : multiply(inverse(X0),X0) = double_divide(identity,identity),
    inference(superposition,[],[f2,f4]) ).

fof(f218,plain,
    ! [X0] : inverse(identity) = double_divide(X0,multiply(inverse(X0),identity)),
    inference(forward_demodulation,[],[f211,f4]) ).

fof(f211,plain,
    ! [X0] : inverse(identity) = double_divide(X0,multiply(inverse(X0),double_divide(identity,inverse(identity)))),
    inference(superposition,[],[f15,f198]) ).

fof(f198,plain,
    ! [X0] : inverse(identity) = double_divide(X0,double_divide(X0,inverse(identity))),
    inference(forward_demodulation,[],[f190,f197]) ).

fof(f197,plain,
    ! [X0] : double_divide(X0,inverse(identity)) = inverse(multiply(multiply(identity,X0),identity)),
    inference(forward_demodulation,[],[f188,f11]) ).

fof(f188,plain,
    ! [X0] : inverse(inverse(double_divide(identity,multiply(identity,X0)))) = double_divide(X0,inverse(identity)),
    inference(superposition,[],[f66,f13]) ).

fof(f190,plain,
    ! [X0] : inverse(identity) = double_divide(X0,inverse(multiply(multiply(identity,X0),identity))),
    inference(superposition,[],[f66,f14]) ).

fof(f14,plain,
    ! [X0,X1] : multiply(identity,double_divide(X0,X1)) = inverse(multiply(X1,X0)),
    inference(forward_demodulation,[],[f10,f3]) ).

fof(f10,plain,
    ! [X0,X1] : multiply(identity,double_divide(X0,X1)) = double_divide(multiply(X1,X0),identity),
    inference(superposition,[],[f2,f2]) ).

fof(f15,plain,
    ! [X2,X0,X1] : double_divide(X0,multiply(X1,double_divide(identity,double_divide(inverse(X0),double_divide(X1,X2))))) = X2,
    inference(backward_demodulation,[],[f7,f11]) ).

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

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

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

fof(f226,plain,
    ! [X0,X1] : double_divide(X1,multiply(X0,double_divide(identity,double_divide(inverse(X1),inverse(identity))))) = multiply(inverse(X0),identity),
    inference(superposition,[],[f15,f218]) ).

fof(f475,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(multiply(X0,identity),identity),
    inference(superposition,[],[f11,f258]) ).

fof(f66,plain,
    ! [X0,X1] : inverse(X0) = double_divide(X1,multiply(X0,double_divide(identity,multiply(identity,X1)))),
    inference(forward_demodulation,[],[f65,f16]) ).

fof(f65,plain,
    ! [X0,X1] : inverse(X0) = double_divide(X1,multiply(X0,double_divide(identity,inverse(inverse(X1))))),
    inference(forward_demodulation,[],[f56,f3]) ).

fof(f56,plain,
    ! [X0,X1] : inverse(X0) = double_divide(X1,multiply(X0,double_divide(identity,double_divide(inverse(X1),identity)))),
    inference(superposition,[],[f15,f4]) ).

fof(f1010,plain,
    ! [X2,X0,X1] : multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1)))) = double_divide(X2,multiply(X1,inverse(X2))),
    inference(forward_demodulation,[],[f1009,f11]) ).

fof(f1009,plain,
    ! [X2,X0,X1] : multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1)))) = double_divide(X2,inverse(double_divide(inverse(X2),X1))),
    inference(forward_demodulation,[],[f1008,f486]) ).

fof(f486,plain,
    ! [X0] : inverse(X0) = inverse(multiply(X0,identity)),
    inference(forward_demodulation,[],[f485,f348]) ).

fof(f348,plain,
    ! [X0] : inverse(X0) = multiply(identity,inverse(X0)),
    inference(backward_demodulation,[],[f19,f344]) ).

fof(f344,plain,
    ! [X0] : inverse(X0) = inverse(multiply(identity,X0)),
    inference(backward_demodulation,[],[f249,f336]) ).

fof(f249,plain,
    ! [X0] : inverse(X0) = inverse(multiply(multiply(identity,X0),identity)),
    inference(forward_demodulation,[],[f240,f3]) ).

fof(f240,plain,
    ! [X0] : double_divide(X0,identity) = inverse(multiply(multiply(identity,X0),identity)),
    inference(backward_demodulation,[],[f197,f230]) ).

fof(f19,plain,
    ! [X0] : multiply(identity,inverse(X0)) = inverse(multiply(identity,X0)),
    inference(superposition,[],[f16,f16]) ).

fof(f485,plain,
    ! [X0] : multiply(identity,inverse(X0)) = inverse(multiply(X0,identity)),
    inference(forward_demodulation,[],[f472,f336]) ).

fof(f472,plain,
    ! [X0] : multiply(identity,inverse(X0)) = inverse(multiply(multiply(X0,identity),identity)),
    inference(superposition,[],[f14,f258]) ).

fof(f1008,plain,
    ! [X2,X0,X1] : multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1)))) = double_divide(X2,inverse(multiply(double_divide(inverse(X2),X1),identity))),
    inference(forward_demodulation,[],[f950,f14]) ).

fof(f950,plain,
    ! [X2,X0,X1] : multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1)))) = double_divide(X2,multiply(identity,double_divide(identity,double_divide(inverse(X2),X1)))),
    inference(superposition,[],[f57,f230]) ).

fof(f57,plain,
    ! [X2,X3,X0,X1] : multiply(X1,double_divide(identity,double_divide(inverse(X0),double_divide(X1,X2)))) = double_divide(X3,multiply(X0,double_divide(identity,double_divide(inverse(X3),X2)))),
    inference(superposition,[],[f15,f15]) ).

fof(f283,plain,
    ! [X0,X1] : double_divide(identity,multiply(X0,double_divide(identity,double_divide(identity,double_divide(X0,X1))))) = X1,
    inference(superposition,[],[f15,f230]) ).

fof(f939,plain,
    ! [X0] : multiply(X0,identity) = double_divide(identity,inverse(X0)),
    inference(forward_demodulation,[],[f923,f459]) ).

fof(f459,plain,
    ! [X0,X1] : multiply(X1,X0) = multiply(identity,multiply(X1,X0)),
    inference(superposition,[],[f348,f11]) ).

fof(f923,plain,
    ! [X0] : double_divide(identity,inverse(X0)) = multiply(identity,multiply(X0,identity)),
    inference(superposition,[],[f477,f486]) ).

fof(f477,plain,
    ! [X0] : multiply(identity,X0) = double_divide(identity,inverse(X0)),
    inference(forward_demodulation,[],[f469,f16]) ).

fof(f469,plain,
    ! [X0] : inverse(inverse(X0)) = double_divide(identity,inverse(X0)),
    inference(superposition,[],[f258,f265]) ).

fof(f258,plain,
    ! [X0] : inverse(X0) = double_divide(identity,multiply(X0,identity)),
    inference(forward_demodulation,[],[f257,f230]) ).

fof(f257,plain,
    ! [X0] : inverse(X0) = double_divide(inverse(identity),multiply(X0,identity)),
    inference(forward_demodulation,[],[f256,f3]) ).

fof(f256,plain,
    ! [X0] : inverse(X0) = double_divide(double_divide(identity,identity),multiply(X0,identity)),
    inference(backward_demodulation,[],[f239,f255]) ).

fof(f255,plain,
    identity = multiply(identity,identity),
    inference(forward_demodulation,[],[f254,f231]) ).

fof(f231,plain,
    ! [X0] : identity = multiply(inverse(X0),X0),
    inference(backward_demodulation,[],[f13,f230]) ).

fof(f254,plain,
    ! [X0] : multiply(inverse(X0),X0) = multiply(identity,identity),
    inference(forward_demodulation,[],[f243,f3]) ).

fof(f243,plain,
    ! [X0] : multiply(identity,identity) = multiply(double_divide(X0,identity),X0),
    inference(backward_demodulation,[],[f212,f230]) ).

fof(f212,plain,
    ! [X0] : multiply(identity,identity) = multiply(double_divide(X0,inverse(identity)),X0),
    inference(forward_demodulation,[],[f209,f16]) ).

fof(f209,plain,
    ! [X0] : inverse(inverse(identity)) = multiply(double_divide(X0,inverse(identity)),X0),
    inference(superposition,[],[f11,f198]) ).

fof(f239,plain,
    ! [X0] : inverse(X0) = double_divide(double_divide(identity,multiply(identity,identity)),multiply(X0,identity)),
    inference(backward_demodulation,[],[f187,f230]) ).

fof(f187,plain,
    ! [X0] : inverse(X0) = double_divide(double_divide(identity,multiply(identity,identity)),multiply(X0,inverse(identity))),
    inference(superposition,[],[f66,f66]) ).

fof(f488,plain,
    ! [X0,X1] : double_divide(X0,multiply(double_divide(identity,X1),inverse(X0))) = X1,
    inference(forward_demodulation,[],[f487,f11]) ).

fof(f487,plain,
    ! [X0,X1] : double_divide(X0,inverse(double_divide(inverse(X0),double_divide(identity,X1)))) = X1,
    inference(backward_demodulation,[],[f95,f486]) ).

fof(f95,plain,
    ! [X0,X1] : double_divide(X0,inverse(multiply(double_divide(inverse(X0),double_divide(identity,X1)),identity))) = X1,
    inference(superposition,[],[f15,f14]) ).

fof(f548,plain,
    ! [X0,X1] : multiply(identity,X0) = double_divide(X1,multiply(inverse(X0),inverse(X1))),
    inference(backward_demodulation,[],[f70,f539]) ).

fof(f539,plain,
    ! [X0] : inverse(X0) = double_divide(identity,multiply(identity,X0)),
    inference(superposition,[],[f258,f514]) ).

fof(f70,plain,
    ! [X0,X1] : multiply(identity,X0) = double_divide(X1,multiply(inverse(X0),double_divide(identity,multiply(identity,X1)))),
    inference(forward_demodulation,[],[f69,f16]) ).

fof(f69,plain,
    ! [X0,X1] : multiply(identity,X0) = double_divide(X1,multiply(inverse(X0),double_divide(identity,inverse(inverse(X1))))),
    inference(forward_demodulation,[],[f61,f3]) ).

fof(f61,plain,
    ! [X0,X1] : multiply(identity,X0) = double_divide(X1,multiply(inverse(X0),double_divide(identity,double_divide(inverse(X1),identity)))),
    inference(superposition,[],[f15,f22]) ).

fof(f22,plain,
    ! [X0] : identity = double_divide(inverse(X0),multiply(identity,X0)),
    inference(superposition,[],[f4,f16]) ).

fof(f5,axiom,
    a2 != multiply(identity,a2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : GRP488-1 : TPTP v8.1.2. Released v2.6.0.
% 0.06/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.13/0.35  % Computer : n002.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Apr 30 04:40:10 EDT 2024
% 0.13/0.36  % CPUTime    : 
% 0.13/0.36  % (3171)Running in auto input_syntax mode. Trying TPTP
% 0.13/0.38  % (3172)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.13/0.38  TRYING [1]
% 0.13/0.38  TRYING [2]
% 0.13/0.38  % (3177)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)
% 0.13/0.38  % (3173)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.13/0.38  % (3174)WARNING: value z3 for option sas not known
% 0.13/0.38  % (3178)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)
% 0.13/0.38  TRYING [3]
% 0.13/0.39  % (3175)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.13/0.39  % (3176)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)
% 0.13/0.39  % (3174)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)
% 0.13/0.39  TRYING [1]
% 0.13/0.39  TRYING [2]
% 0.13/0.39  TRYING [3]
% 0.13/0.39  TRYING [4]
% 0.13/0.40  TRYING [4]
% 0.21/0.40  TRYING [5]
% 0.21/0.42  % (3177)First to succeed.
% 0.21/0.42  % (3177)Refutation found. Thanks to Tanya!
% 0.21/0.42  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.42  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.42  % (3177)------------------------------
% 0.21/0.42  % (3177)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.21/0.42  % (3177)Termination reason: Refutation
% 0.21/0.42  
% 0.21/0.42  % (3177)Memory used [KB]: 1213
% 0.21/0.42  % (3177)Time elapsed: 0.039 s
% 0.21/0.42  % (3177)Instructions burned: 65 (million)
% 0.21/0.42  % (3177)------------------------------
% 0.21/0.42  % (3177)------------------------------
% 0.21/0.42  % (3171)Success in time 0.06 s
%------------------------------------------------------------------------------