TSTP Solution File: GRP520-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GRP520-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n024.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 : Wed Aug 31 16:22:45 EDT 2022

% Result   : Unsatisfiable 0.20s 0.48s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   23 (  23 unt;   0 def)
%            Number of atoms       :   23 (  22 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    8 (   2 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   :   71 (  71   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f153,plain,
    $false,
    inference(trivial_inequality_removal,[],[f144]) ).

fof(f144,plain,
    multiply(a,b) != multiply(a,b),
    inference(superposition,[],[f2,f86]) ).

fof(f86,plain,
    ! [X6,X5] : multiply(X5,X6) = multiply(X6,X5),
    inference(superposition,[],[f11,f72]) ).

fof(f72,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(superposition,[],[f54,f66]) ).

fof(f66,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(inverse(inverse(X0)),X1),
    inference(superposition,[],[f54,f54]) ).

fof(f54,plain,
    ! [X0,X4] : multiply(X0,multiply(inverse(X0),X4)) = X4,
    inference(forward_demodulation,[],[f44,f11]) ).

fof(f44,plain,
    ! [X3,X0,X4] : multiply(X0,multiply(inverse(X0),multiply(multiply(inverse(X3),X4),X3))) = X4,
    inference(backward_demodulation,[],[f37,f39]) ).

fof(f39,plain,
    ! [X8,X6,X4] : multiply(X6,multiply(X4,X8)) = multiply(multiply(X6,X4),X8),
    inference(forward_demodulation,[],[f38,f24]) ).

fof(f24,plain,
    ! [X6,X7,X5] : multiply(multiply(inverse(X6),X7),multiply(X6,X5)) = multiply(X7,X5),
    inference(forward_demodulation,[],[f23,f22]) ).

fof(f22,plain,
    ! [X2,X3,X0,X4] : multiply(X3,multiply(X2,multiply(multiply(inverse(multiply(X3,X4)),X0),X4))) = multiply(X2,X0),
    inference(backward_demodulation,[],[f5,f18]) ).

fof(f18,plain,
    ! [X2,X0,X1] : multiply(multiply(inverse(multiply(inverse(X0),X1)),X2),X1) = multiply(X2,X0),
    inference(superposition,[],[f11,f1]) ).

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

fof(f5,plain,
    ! [X2,X3,X0,X1,X4] : multiply(X3,multiply(X2,multiply(multiply(inverse(multiply(X3,X4)),X0),X4))) = multiply(multiply(inverse(multiply(inverse(X0),X1)),X2),X1),
    inference(superposition,[],[f3,f1]) ).

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

fof(f23,plain,
    ! [X10,X6,X9,X7,X5] : multiply(multiply(inverse(X6),X7),multiply(X6,X5)) = multiply(X9,multiply(X7,multiply(multiply(inverse(multiply(X9,X10)),X5),X10))),
    inference(backward_demodulation,[],[f6,f18]) ).

fof(f6,plain,
    ! [X10,X8,X6,X9,X7,X5] : multiply(multiply(inverse(X6),X7),multiply(multiply(inverse(multiply(inverse(X5),X8)),X6),X8)) = multiply(X9,multiply(X7,multiply(multiply(inverse(multiply(X9,X10)),X5),X10))),
    inference(superposition,[],[f3,f3]) ).

fof(f38,plain,
    ! [X8,X6,X4,X5] : multiply(multiply(multiply(inverse(X5),X6),multiply(X5,X4)),X8) = multiply(X6,multiply(X4,X8)),
    inference(forward_demodulation,[],[f27,f18]) ).

fof(f27,plain,
    ! [X8,X6,X7,X4,X5] : multiply(multiply(multiply(inverse(X5),X6),multiply(multiply(inverse(multiply(inverse(X4),X7)),X5),X7)),X8) = multiply(X6,multiply(X4,X8)),
    inference(superposition,[],[f24,f3]) ).

fof(f37,plain,
    ! [X3,X0,X4] : multiply(X0,multiply(multiply(inverse(X0),multiply(inverse(X3),X4)),X3)) = X4,
    inference(backward_demodulation,[],[f7,f29]) ).

fof(f29,plain,
    ! [X8,X6,X7,X4,X5] : multiply(X8,multiply(multiply(inverse(X5),X6),multiply(multiply(inverse(multiply(X4,X7)),X5),X7))) = multiply(multiply(inverse(X4),X8),X6),
    inference(superposition,[],[f24,f3]) ).

fof(f7,plain,
    ! [X2,X3,X0,X1,X4] : multiply(X0,multiply(multiply(inverse(X3),X4),multiply(multiply(inverse(X2),X3),multiply(multiply(inverse(multiply(X0,X1)),X2),X1)))) = X4,
    inference(superposition,[],[f3,f1]) ).

fof(f11,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X1),X0) = X1,
    inference(superposition,[],[f3,f1]) ).

fof(f2,axiom,
    multiply(a,b) != multiply(b,a),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_4) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : GRP520-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Mon Aug 29 22:33:19 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.45  % (31478)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/138Mi)
% 0.20/0.45  % (31466)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.46  % (31466)First to succeed.
% 0.20/0.48  % (31466)Refutation found. Thanks to Tanya!
% 0.20/0.48  % SZS status Unsatisfiable for theBenchmark
% 0.20/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.48  % (31466)------------------------------
% 0.20/0.48  % (31466)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.48  % (31466)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.48  % (31466)Termination reason: Refutation
% 0.20/0.48  
% 0.20/0.48  % (31466)Memory used [KB]: 1151
% 0.20/0.48  % (31466)Time elapsed: 0.066 s
% 0.20/0.48  % (31466)Instructions burned: 13 (million)
% 0.20/0.48  % (31466)------------------------------
% 0.20/0.48  % (31466)------------------------------
% 0.20/0.48  % (31456)Success in time 0.132 s
%------------------------------------------------------------------------------