TSTP Solution File: GRP001-4 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% 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 : 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 : Wed Aug 31 16:18:51 EDT 2022

% Result   : Unsatisfiable 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   15 (  15 unt;   0 def)
%            Number of atoms       :   15 (  14 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   18 (  18   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f315,plain,
    $false,
    inference(trivial_inequality_removal,[],[f314]) ).

fof(f314,plain,
    multiply(a,b) != multiply(a,b),
    inference(superposition,[],[f7,f216]) ).

fof(f216,plain,
    ! [X2,X3] : multiply(X3,X2) = multiply(X2,X3),
    inference(superposition,[],[f47,f199]) ).

fof(f199,plain,
    ! [X2,X1] : multiply(X2,multiply(X1,X2)) = X1,
    inference(forward_demodulation,[],[f88,f53]) ).

fof(f53,plain,
    ! [X4] : multiply(X4,identity) = X4,
    inference(superposition,[],[f47,f3]) ).

fof(f3,axiom,
    ! [X0] : identity = multiply(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',squareness) ).

fof(f88,plain,
    ! [X2,X1] : multiply(X2,multiply(X1,X2)) = multiply(X1,identity),
    inference(superposition,[],[f47,f40]) ).

fof(f40,plain,
    ! [X6,X7] : identity = multiply(X6,multiply(X7,multiply(X6,X7))),
    inference(superposition,[],[f1,f3]) ).

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

fof(f47,plain,
    ! [X6,X7] : multiply(X6,multiply(X6,X7)) = X7,
    inference(forward_demodulation,[],[f34,f2]) ).

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

fof(f34,plain,
    ! [X6,X7] : multiply(identity,X7) = multiply(X6,multiply(X6,X7)),
    inference(superposition,[],[f1,f3]) ).

fof(f7,plain,
    multiply(a,b) != multiply(b,a),
    inference(backward_demodulation,[],[f5,f4]) ).

fof(f4,axiom,
    multiply(a,b) = c,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_times_b_is_c) ).

fof(f5,axiom,
    c != multiply(b,a),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_b_times_a_is_c) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n008.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Mon Aug 29 22:09:55 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.50  % (25023)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/498Mi)
% 0.19/0.50  % (25015)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/68Mi)
% 0.19/0.51  % (25005)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.19/0.51  % (25007)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.19/0.51  TRYING [1]
% 0.19/0.51  TRYING [2]
% 0.19/0.51  TRYING [3]
% 0.19/0.52  TRYING [4]
% 0.19/0.52  % (25023)First to succeed.
% 0.19/0.52  % (25023)Refutation found. Thanks to Tanya!
% 0.19/0.52  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.52  % (25023)------------------------------
% 0.19/0.52  % (25023)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (25023)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (25023)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (25023)Memory used [KB]: 1023
% 0.19/0.52  % (25023)Time elapsed: 0.071 s
% 0.19/0.52  % (25023)Instructions burned: 12 (million)
% 0.19/0.52  % (25023)------------------------------
% 0.19/0.52  % (25023)------------------------------
% 0.19/0.52  % (25000)Success in time 0.174 s
%------------------------------------------------------------------------------