TSTP Solution File: HEN007-4 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : HEN007-4 : 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 : n020.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 16:24:37 EDT 2022

% Result   : Unsatisfiable 1.56s 0.57s
% Output   : Refutation 1.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   18 (  13 unt;   0 def)
%            Number of atoms       :   24 (   5 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   14 (   8   ~;   6   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   14 (  14   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f560,plain,
    $false,
    inference(subsumption_resolution,[],[f559,f18]) ).

fof(f18,plain,
    ~ less_equal(sF0,sF1),
    inference(definition_folding,[],[f15,f17,f16]) ).

fof(f16,plain,
    divide(c,b) = sF0,
    introduced(function_definition,[]) ).

fof(f17,plain,
    divide(c,a) = sF1,
    introduced(function_definition,[]) ).

fof(f15,axiom,
    ~ less_equal(divide(c,b),divide(c,a)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_c_divide_b_LE_c_divide_a) ).

fof(f559,plain,
    less_equal(sF0,sF1),
    inference(forward_demodulation,[],[f555,f16]) ).

fof(f555,plain,
    less_equal(divide(c,b),sF1),
    inference(resolution,[],[f541,f13]) ).

fof(f13,axiom,
    ! [X2,X0,X1] :
      ( ~ less_equal(divide(X0,X1),X2)
      | less_equal(divide(X0,X2),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_divide1) ).

fof(f541,plain,
    less_equal(divide(c,sF1),b),
    inference(resolution,[],[f519,f26]) ).

fof(f26,plain,
    ! [X7] :
      ( ~ less_equal(X7,a)
      | less_equal(X7,b) ),
    inference(resolution,[],[f12,f14]) ).

fof(f14,axiom,
    less_equal(a,b),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_LE_b) ).

fof(f12,axiom,
    ! [X2,X0,X1] :
      ( ~ less_equal(X1,X2)
      | ~ less_equal(X0,X1)
      | less_equal(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitivity_of_less_equal) ).

fof(f519,plain,
    less_equal(divide(c,sF1),a),
    inference(superposition,[],[f192,f17]) ).

fof(f192,plain,
    ! [X4,X5] : less_equal(divide(X4,divide(X4,X5)),X5),
    inference(resolution,[],[f158,f13]) ).

fof(f158,plain,
    ! [X0] : less_equal(X0,X0),
    inference(trivial_inequality_removal,[],[f145]) ).

fof(f145,plain,
    ! [X0] :
      ( less_equal(X0,X0)
      | zero != zero ),
    inference(superposition,[],[f2,f10]) ).

fof(f10,axiom,
    ! [X0] : zero = divide(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',x_divide_x_is_zero) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : HEN007-4 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % Computer : n020.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   : Mon Aug 29 23:02:30 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.55  % (15594)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.20/0.55  % (15571)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.55  % (15567)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.20/0.56  % (15583)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.56  TRYING [1]
% 0.20/0.56  TRYING [2]
% 1.56/0.56  TRYING [3]
% 1.56/0.56  % (15568)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.56/0.57  % (15589)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 (2999ds/498Mi)
% 1.56/0.57  TRYING [4]
% 1.56/0.57  % (15571)First to succeed.
% 1.56/0.57  % (15571)Refutation found. Thanks to Tanya!
% 1.56/0.57  % SZS status Unsatisfiable for theBenchmark
% 1.56/0.57  % SZS output start Proof for theBenchmark
% See solution above
% 1.56/0.57  % (15571)------------------------------
% 1.56/0.57  % (15571)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.56/0.57  % (15571)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.56/0.57  % (15571)Termination reason: Refutation
% 1.56/0.57  
% 1.56/0.57  % (15571)Memory used [KB]: 5628
% 1.56/0.57  % (15571)Time elapsed: 0.133 s
% 1.56/0.57  % (15571)Instructions burned: 18 (million)
% 1.56/0.57  % (15571)------------------------------
% 1.56/0.57  % (15571)------------------------------
% 1.56/0.57  % (15566)Success in time 0.216 s
%------------------------------------------------------------------------------