TSTP Solution File: HEN005-4 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : HEN005-4 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n023.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 : Sun May  5 06:11:52 EDT 2024

% Result   : Unsatisfiable 0.14s 0.38s
% Output   : Refutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            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   :   15 (  15   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f277,plain,
    $false,
    inference(resolution,[],[f273,f14]) ).

fof(f14,axiom,
    ~ less_equal(a,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_LE_c) ).

fof(f273,plain,
    less_equal(a,c),
    inference(trivial_inequality_removal,[],[f266]) ).

fof(f266,plain,
    ( zero != zero
    | less_equal(a,c) ),
    inference(superposition,[],[f2,f257]) ).

fof(f257,plain,
    zero = divide(a,c),
    inference(resolution,[],[f243,f54]) ).

fof(f54,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(X1,X0)
      | ~ less_equal(X0,X1)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',less_equal_and_equal) ).

fof(f243,plain,
    less_equal(divide(a,c),zero),
    inference(forward_demodulation,[],[f237,f9]) ).

fof(f9,axiom,
    ! [X0] : zero = divide(zero,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zero_divide_anything_is_zero) ).

fof(f237,plain,
    less_equal(divide(a,c),divide(zero,c)),
    inference(superposition,[],[f114,f22]) ).

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

fof(f12,axiom,
    less_equal(a,b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_LE_b) ).

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

fof(f114,plain,
    ! [X0] : less_equal(divide(X0,c),divide(divide(X0,b),c)),
    inference(forward_demodulation,[],[f82,f11]) ).

fof(f11,axiom,
    ! [X0] : divide(X0,zero) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',x_divide_zero_is_x) ).

fof(f82,plain,
    ! [X0] : less_equal(divide(divide(X0,c),zero),divide(divide(X0,b),c)),
    inference(superposition,[],[f4,f23]) ).

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

fof(f13,axiom,
    less_equal(b,c),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_LE_c) ).

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
% 0.11/0.13  % Problem    : HEN005-4 : TPTP v8.1.2. Released v1.0.0.
% 0.11/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n023.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   : Fri May  3 13:03:54 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  % (3844)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.37  % (3847)WARNING: value z3 for option sas not known
% 0.14/0.38  % (3848)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (3845)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.38  % (3846)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.38  % (3850)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.14/0.38  % (3849)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.14/0.38  % (3847)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.14/0.38  % (3851)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.14/0.38  TRYING [1]
% 0.14/0.38  TRYING [2]
% 0.14/0.38  TRYING [3]
% 0.14/0.38  TRYING [1]
% 0.14/0.38  TRYING [2]
% 0.14/0.38  TRYING [4]
% 0.14/0.38  % (3850)First to succeed.
% 0.14/0.38  % (3850)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-3844"
% 0.14/0.38  % (3851)Also succeeded, but the first one will report.
% 0.14/0.38  % (3850)Refutation found. Thanks to Tanya!
% 0.14/0.38  % SZS status Unsatisfiable for theBenchmark
% 0.14/0.38  % SZS output start Proof for theBenchmark
% See solution above
% 0.14/0.38  % (3850)------------------------------
% 0.14/0.38  % (3850)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.14/0.38  % (3850)Termination reason: Refutation
% 0.14/0.38  
% 0.14/0.38  % (3850)Memory used [KB]: 865
% 0.14/0.38  % (3850)Time elapsed: 0.008 s
% 0.14/0.38  % (3850)Instructions burned: 10 (million)
% 0.14/0.38  % (3844)Success in time 0.013 s
%------------------------------------------------------------------------------