TSTP Solution File: HEN005-4 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : HEN005-4 : 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 : n024.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 16:24:35 EDT 2022

% Result   : Unsatisfiable 1.84s 0.61s
% Output   : Refutation 1.84s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   21 (  16 unt;   0 def)
%            Number of atoms       :   27 (  10 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   13 (   7   ~;   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    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   14 (  14   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f218,plain,
    $false,
    inference(subsumption_resolution,[],[f217,f14]) ).

fof(f14,axiom,
    ~ less_equal(a,c),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_a_LE_c) ).

fof(f217,plain,
    less_equal(a,c),
    inference(trivial_inequality_removal,[],[f211]) ).

fof(f211,plain,
    ( less_equal(a,c)
    | zero != zero ),
    inference(superposition,[],[f2,f208]) ).

fof(f208,plain,
    zero = divide(a,c),
    inference(subsumption_resolution,[],[f206,f5]) ).

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

fof(f206,plain,
    ( ~ less_equal(zero,divide(a,c))
    | zero = divide(a,c) ),
    inference(resolution,[],[f204,f6]) ).

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

fof(f204,plain,
    less_equal(divide(a,c),zero),
    inference(forward_demodulation,[],[f189,f11]) ).

fof(f11,axiom,
    ! [X0] : divide(X0,zero) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',x_divide_zero_is_x) ).

fof(f189,plain,
    less_equal(divide(divide(a,c),zero),zero),
    inference(superposition,[],[f101,f23]) ).

fof(f23,plain,
    zero = divide(b,c),
    inference(resolution,[],[f1,f13]) ).

fof(f13,axiom,
    less_equal(b,c),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_LE_c) ).

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

fof(f101,plain,
    ! [X0] : less_equal(divide(divide(a,X0),divide(b,X0)),zero),
    inference(forward_demodulation,[],[f95,f9]) ).

fof(f9,axiom,
    ! [X0] : zero = divide(zero,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',zero_divide_anything_is_zero) ).

fof(f95,plain,
    ! [X0] : less_equal(divide(divide(a,X0),divide(b,X0)),divide(zero,X0)),
    inference(superposition,[],[f4,f22]) ).

fof(f22,plain,
    zero = divide(a,b),
    inference(resolution,[],[f1,f12]) ).

fof(f12,axiom,
    less_equal(a,b),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_LE_b) ).

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

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
% 0.08/0.12  % Problem    : HEN005-4 : TPTP v8.1.0. Released v1.0.0.
% 0.08/0.13  % 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 : n024.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 22:59:49 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.21/0.59  % (27632)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.21/0.59  % (27631)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)
% 0.21/0.59  % (27657)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)
% 1.84/0.60  % (27656)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 1.84/0.60  % (27636)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)
% 1.84/0.60  TRYING [1]
% 1.84/0.60  TRYING [2]
% 1.84/0.60  % (27649)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.84/0.60  TRYING [3]
% 1.84/0.61  % (27648)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.84/0.61  % (27631)Refutation not found, incomplete strategy% (27631)------------------------------
% 1.84/0.61  % (27631)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.84/0.61  % (27631)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.84/0.61  % (27631)Termination reason: Refutation not found, incomplete strategy
% 1.84/0.61  
% 1.84/0.61  % (27631)Memory used [KB]: 5373
% 1.84/0.61  % (27631)Time elapsed: 0.157 s
% 1.84/0.61  % (27631)Instructions burned: 4 (million)
% 1.84/0.61  % (27631)------------------------------
% 1.84/0.61  % (27631)------------------------------
% 1.84/0.61  TRYING [4]
% 1.84/0.61  % (27649)First to succeed.
% 1.84/0.61  % (27638)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.84/0.61  % (27638)Instruction limit reached!
% 1.84/0.61  % (27638)------------------------------
% 1.84/0.61  % (27638)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.84/0.61  % (27638)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.84/0.61  % (27638)Termination reason: Unknown
% 1.84/0.61  % (27638)Termination phase: Saturation
% 1.84/0.61  
% 1.84/0.61  % (27638)Memory used [KB]: 5373
% 1.84/0.61  % (27638)Time elapsed: 0.186 s
% 1.84/0.61  % (27638)Instructions burned: 2 (million)
% 1.84/0.61  % (27638)------------------------------
% 1.84/0.61  % (27638)------------------------------
% 1.84/0.61  % (27649)Refutation found. Thanks to Tanya!
% 1.84/0.61  % SZS status Unsatisfiable for theBenchmark
% 1.84/0.61  % SZS output start Proof for theBenchmark
% See solution above
% 1.84/0.61  % (27649)------------------------------
% 1.84/0.61  % (27649)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.84/0.61  % (27649)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.84/0.61  % (27649)Termination reason: Refutation
% 1.84/0.61  
% 1.84/0.61  % (27649)Memory used [KB]: 5500
% 1.84/0.61  % (27649)Time elapsed: 0.176 s
% 1.84/0.61  % (27649)Instructions burned: 6 (million)
% 1.84/0.61  % (27649)------------------------------
% 1.84/0.61  % (27649)------------------------------
% 1.84/0.61  % (27629)Success in time 0.253 s
%------------------------------------------------------------------------------