TSTP Solution File: HEN003-4 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : HEN003-4 : 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 : n016.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 16:24:33 EDT 2022

% Result   : Unsatisfiable 0.21s 0.50s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   21 (  16 unt;   0 def)
%            Number of atoms       :   27 (  12 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   14 (   8   ~;   6   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   17 (  17   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f137,plain,
    $false,
    inference(subsumption_resolution,[],[f134,f12]) ).

fof(f12,plain,
    zero != sF0,
    inference(definition_folding,[],[f10,f11]) ).

fof(f11,plain,
    divide(a,a) = sF0,
    introduced(function_definition,[]) ).

fof(f10,axiom,
    zero != divide(a,a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_x_divide_x_is_zero) ).

fof(f134,plain,
    zero = sF0,
    inference(resolution,[],[f131,f28]) ).

fof(f28,plain,
    ! [X0] :
      ( ~ less_equal(X0,zero)
      | zero = X0 ),
    inference(resolution,[],[f6,f5]) ).

fof(f5,axiom,
    ! [X0] : less_equal(zero,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zero_is_smallest) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( ~ less_equal(X0,X1)
      | X0 = X1
      | ~ less_equal(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',less_equal_and_equal) ).

fof(f131,plain,
    less_equal(sF0,zero),
    inference(trivial_inequality_removal,[],[f124]) ).

fof(f124,plain,
    ( less_equal(sF0,zero)
    | zero != zero ),
    inference(superposition,[],[f2,f107]) ).

fof(f107,plain,
    zero = divide(sF0,zero),
    inference(resolution,[],[f97,f28]) ).

fof(f97,plain,
    less_equal(divide(sF0,zero),zero),
    inference(superposition,[],[f90,f19]) ).

fof(f19,plain,
    zero = divide(sF0,a),
    inference(resolution,[],[f1,f15]) ).

fof(f15,plain,
    less_equal(sF0,a),
    inference(superposition,[],[f3,f11]) ).

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

fof(f1,axiom,
    ! [X0,X1] :
      ( ~ less_equal(X0,X1)
      | divide(X0,X1) = zero ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',quotient_less_equal1) ).

fof(f90,plain,
    ! [X7] : less_equal(divide(sF0,divide(X7,a)),zero),
    inference(forward_demodulation,[],[f63,f17]) ).

fof(f17,plain,
    ! [X2,X1] : zero = divide(divide(X1,X2),X1),
    inference(resolution,[],[f1,f3]) ).

fof(f63,plain,
    ! [X7] : less_equal(divide(sF0,divide(X7,a)),divide(divide(a,X7),a)),
    inference(superposition,[],[f4,f11]) ).

fof(f4,axiom,
    ! [X2,X0,X1] : less_equal(divide(divide(X0,X2),divide(X1,X2)),divide(divide(X0,X1),X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',quotient_property) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( divide(X0,X1) != zero
      | less_equal(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',quotient_less_equal2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : HEN003-4 : TPTP v8.1.0. Released v1.0.0.
% 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 : n016.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 23:16:30 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.21/0.49  % (9142)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.50  % (9156)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.21/0.50  % (9142)First to succeed.
% 0.21/0.50  % (9141)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.50  % (9151)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.21/0.50  % (9142)Refutation found. Thanks to Tanya!
% 0.21/0.50  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.51  % (9142)------------------------------
% 0.21/0.51  % (9142)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.51  % (9142)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.51  % (9142)Termination reason: Refutation
% 0.21/0.51  
% 0.21/0.51  % (9142)Memory used [KB]: 5500
% 0.21/0.51  % (9142)Time elapsed: 0.096 s
% 0.21/0.51  % (9142)Instructions burned: 4 (million)
% 0.21/0.51  % (9142)------------------------------
% 0.21/0.51  % (9142)------------------------------
% 0.21/0.51  % (9137)Success in time 0.157 s
%------------------------------------------------------------------------------