TSTP Solution File: HEN004-5 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : HEN004-5 : 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 16:24:34 EDT 2022

% Result   : Unsatisfiable 1.72s 0.58s
% Output   : Refutation 1.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   22 (  15 unt;   0 def)
%            Number of atoms       :   32 (  31 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   23 (  13   ~;  10   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   13 (  13   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f133,plain,
    $false,
    inference(subsumption_resolution,[],[f132,f27]) ).

fof(f27,plain,
    zero != divide(a,sF0),
    inference(subsumption_resolution,[],[f26,f9]) ).

fof(f9,plain,
    a != sF0,
    inference(definition_folding,[],[f7,f8]) ).

fof(f8,plain,
    divide(a,zero) = sF0,
    introduced(function_definition,[]) ).

fof(f7,axiom,
    a != divide(a,zero),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_x_divide_zero_is_x) ).

fof(f26,plain,
    ( zero != divide(a,sF0)
    | a = sF0 ),
    inference(trivial_inequality_removal,[],[f24]) ).

fof(f24,plain,
    ( zero != zero
    | zero != divide(a,sF0)
    | a = sF0 ),
    inference(superposition,[],[f4,f14]) ).

fof(f14,plain,
    zero = divide(sF0,a),
    inference(superposition,[],[f1,f8]) ).

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

fof(f4,axiom,
    ! [X0,X1] :
      ( zero != divide(X1,X0)
      | divide(X0,X1) != zero
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',divide_and_equal) ).

fof(f132,plain,
    zero = divide(a,sF0),
    inference(trivial_inequality_removal,[],[f125]) ).

fof(f125,plain,
    ( zero = divide(a,sF0)
    | zero != zero ),
    inference(superposition,[],[f20,f113]) ).

fof(f113,plain,
    zero = divide(divide(a,sF0),zero),
    inference(trivial_inequality_removal,[],[f106]) ).

fof(f106,plain,
    ( zero = divide(divide(a,sF0),zero)
    | zero != zero ),
    inference(superposition,[],[f20,f89]) ).

fof(f89,plain,
    zero = divide(divide(divide(a,sF0),zero),zero),
    inference(superposition,[],[f61,f6]) ).

fof(f6,axiom,
    ! [X0] : zero = divide(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',x_divide_x_is_zero) ).

fof(f61,plain,
    ! [X13] : zero = divide(divide(divide(a,X13),zero),divide(sF0,X13)),
    inference(forward_demodulation,[],[f49,f3]) ).

fof(f3,axiom,
    ! [X0] : zero = divide(zero,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zero_is_smallest) ).

fof(f49,plain,
    ! [X13] : zero = divide(divide(divide(a,X13),divide(zero,X13)),divide(sF0,X13)),
    inference(superposition,[],[f2,f8]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : zero = divide(divide(divide(X0,X2),divide(X1,X2)),divide(divide(X0,X1),X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',quotient_property) ).

fof(f20,plain,
    ! [X4] :
      ( zero != divide(X4,zero)
      | zero = X4 ),
    inference(trivial_inequality_removal,[],[f18]) ).

fof(f18,plain,
    ! [X4] :
      ( zero != divide(X4,zero)
      | zero = X4
      | zero != zero ),
    inference(superposition,[],[f4,f3]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem    : HEN004-5 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Mon Aug 29 23:00:55 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 1.41/0.55  % (9674)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)
% 1.41/0.55  % (9658)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)
% 1.41/0.55  % (9666)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)
% 1.41/0.56  % (9667)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 (3000ds/75Mi)
% 1.72/0.56  % (9659)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/7Mi)
% 1.72/0.56  % (9667)First to succeed.
% 1.72/0.56  TRYING [1]
% 1.72/0.56  TRYING [2]
% 1.72/0.57  TRYING [3]
% 1.72/0.57  % (9660)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/2Mi)
% 1.72/0.57  % (9659)Instruction limit reached!
% 1.72/0.57  % (9659)------------------------------
% 1.72/0.57  % (9659)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.72/0.57  % (9675)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 (3000ds/467Mi)
% 1.72/0.57  % (9659)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.72/0.57  % (9659)Termination reason: Unknown
% 1.72/0.57  % (9659)Termination phase: Saturation
% 1.72/0.57  TRYING [4]
% 1.72/0.57  % (9668)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 (3000ds/99Mi)
% 1.72/0.58  % (9676)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/482Mi)
% 1.72/0.58  
% 1.72/0.58  % (9659)Memory used [KB]: 5500
% 1.72/0.58  % (9659)Time elapsed: 0.155 s
% 1.72/0.58  % (9659)Instructions burned: 7 (million)
% 1.72/0.58  % (9659)------------------------------
% 1.72/0.58  % (9659)------------------------------
% 1.72/0.58  % (9667)Refutation found. Thanks to Tanya!
% 1.72/0.58  % SZS status Unsatisfiable for theBenchmark
% 1.72/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 1.72/0.58  % (9667)------------------------------
% 1.72/0.58  % (9667)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.72/0.58  % (9667)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.72/0.58  % (9667)Termination reason: Refutation
% 1.72/0.58  
% 1.72/0.58  % (9667)Memory used [KB]: 1023
% 1.72/0.58  % (9667)Time elapsed: 0.154 s
% 1.72/0.58  % (9667)Instructions burned: 7 (million)
% 1.72/0.58  % (9667)------------------------------
% 1.72/0.58  % (9667)------------------------------
% 1.72/0.58  % (9651)Success in time 0.238 s
%------------------------------------------------------------------------------