TSTP Solution File: HEN004-3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : HEN004-3 : 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 : n019.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 16:24:34 EDT 2022

% Result   : Unsatisfiable 1.90s 0.61s
% Output   : Refutation 1.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   29 (  17 unt;   0 def)
%            Number of atoms       :   45 (  26 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   34 (  18   ~;  16   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   36 (  36   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f445,plain,
    $false,
    inference(trivial_inequality_removal,[],[f444]) ).

fof(f444,plain,
    a != a,
    inference(backward_demodulation,[],[f8,f417]) ).

fof(f417,plain,
    ! [X11] : divide(X11,zero) = X11,
    inference(subsumption_resolution,[],[f410,f3]) ).

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

fof(f410,plain,
    ! [X11] :
      ( ~ less_equal(divide(X11,zero),X11)
      | divide(X11,zero) = X11 ),
    inference(trivial_inequality_removal,[],[f388]) ).

fof(f388,plain,
    ! [X11] :
      ( zero != zero
      | divide(X11,zero) = X11
      | ~ less_equal(divide(X11,zero),X11) ),
    inference(superposition,[],[f15,f343]) ).

fof(f343,plain,
    ! [X9] : zero = divide(X9,divide(X9,zero)),
    inference(trivial_inequality_removal,[],[f322]) ).

fof(f322,plain,
    ! [X9] :
      ( zero = divide(X9,divide(X9,zero))
      | zero != zero ),
    inference(superposition,[],[f18,f305]) ).

fof(f305,plain,
    ! [X1] : zero = divide(divide(X1,divide(X1,zero)),zero),
    inference(subsumption_resolution,[],[f296,f5]) ).

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

fof(f296,plain,
    ! [X1] :
      ( zero = divide(divide(X1,divide(X1,zero)),zero)
      | ~ less_equal(zero,divide(divide(X1,divide(X1,zero)),zero)) ),
    inference(resolution,[],[f189,f6]) ).

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

fof(f189,plain,
    ! [X1] : less_equal(divide(divide(X1,divide(X1,zero)),zero),zero),
    inference(superposition,[],[f29,f75]) ).

fof(f75,plain,
    ! [X11] : zero = divide(X11,X11),
    inference(subsumption_resolution,[],[f73,f5]) ).

fof(f73,plain,
    ! [X11] :
      ( ~ less_equal(zero,divide(X11,X11))
      | zero = divide(X11,X11) ),
    inference(trivial_inequality_removal,[],[f71]) ).

fof(f71,plain,
    ! [X11] :
      ( zero != zero
      | zero = divide(X11,X11)
      | ~ less_equal(zero,divide(X11,X11)) ),
    inference(superposition,[],[f15,f55]) ).

fof(f55,plain,
    ! [X0] : zero = divide(divide(X0,X0),zero),
    inference(resolution,[],[f48,f13]) ).

fof(f13,plain,
    ! [X0] :
      ( ~ less_equal(X0,zero)
      | zero = X0 ),
    inference(resolution,[],[f6,f5]) ).

fof(f48,plain,
    ! [X1] : less_equal(divide(divide(X1,X1),zero),zero),
    inference(superposition,[],[f34,f10]) ).

fof(f10,plain,
    ! [X2,X1] : zero = divide(divide(X1,X2),X1),
    inference(resolution,[],[f1,f3]) ).

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

fof(f34,plain,
    ! [X0,X1] : less_equal(divide(divide(X0,X0),divide(X1,X0)),zero),
    inference(superposition,[],[f4,f10]) ).

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(f29,plain,
    ! [X0,X1] : less_equal(divide(divide(X1,X0),zero),divide(divide(X1,zero),X0)),
    inference(superposition,[],[f4,f9]) ).

fof(f9,plain,
    ! [X0] : zero = divide(zero,X0),
    inference(resolution,[],[f1,f5]) ).

fof(f18,plain,
    ! [X1] :
      ( zero != divide(X1,zero)
      | zero = X1 ),
    inference(resolution,[],[f13,f2]) ).

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

fof(f15,plain,
    ! [X3,X4] :
      ( zero != divide(X4,X3)
      | ~ less_equal(X3,X4)
      | X3 = X4 ),
    inference(resolution,[],[f6,f2]) ).

fof(f8,axiom,
    a != divide(a,zero),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_x_divide_zero_is_x) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : HEN004-3 : 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
% 0.14/0.35  % Computer : n019.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Mon Aug 29 22:57:20 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.21/0.56  % (20692)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.56  % (20709)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.21/0.56  TRYING [1]
% 0.21/0.56  TRYING [2]
% 0.21/0.56  TRYING [3]
% 0.21/0.56  % (20708)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)
% 0.21/0.57  % (20700)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 (2999ds/68Mi)
% 0.21/0.57  % (20701)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.21/0.57  % (20693)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.21/0.57  TRYING [4]
% 0.21/0.57  % (20693)Instruction limit reached!
% 0.21/0.57  % (20693)------------------------------
% 0.21/0.57  % (20693)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.59  % (20693)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.59  % (20693)Termination reason: Unknown
% 0.21/0.59  % (20693)Termination phase: Saturation
% 0.21/0.59  
% 0.21/0.59  % (20693)Memory used [KB]: 5500
% 0.21/0.59  % (20693)Time elapsed: 0.137 s
% 0.21/0.59  % (20693)Instructions burned: 7 (million)
% 0.21/0.59  % (20693)------------------------------
% 0.21/0.59  % (20693)------------------------------
% 0.21/0.60  % (20690)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.60  TRYING [5]
% 1.90/0.61  % (20709)First to succeed.
% 1.90/0.61  % (20709)Refutation found. Thanks to Tanya!
% 1.90/0.61  % SZS status Unsatisfiable for theBenchmark
% 1.90/0.61  % SZS output start Proof for theBenchmark
% See solution above
% 1.90/0.62  % (20709)------------------------------
% 1.90/0.62  % (20709)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.90/0.62  % (20709)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.90/0.62  % (20709)Termination reason: Refutation
% 1.90/0.62  
% 1.90/0.62  % (20709)Memory used [KB]: 5628
% 1.90/0.62  % (20709)Time elapsed: 0.161 s
% 1.90/0.62  % (20709)Instructions burned: 19 (million)
% 1.90/0.62  % (20709)------------------------------
% 1.90/0.62  % (20709)------------------------------
% 1.90/0.62  % (20685)Success in time 0.256 s
%------------------------------------------------------------------------------