TSTP Solution File: HEN006-6 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : HEN006-6 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n031.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 : Thu Aug 31 01:57:12 EDT 2023

% Result   : Unsatisfiable 0.22s 0.44s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   33 (  25 unt;   0 def)
%            Number of atoms       :   42 (  17 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   19 (  10   ~;   9   |;   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    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   35 (;  35   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f869,plain,
    $false,
    inference(resolution,[],[f861,f12]) ).

fof(f12,axiom,
    ~ less_equal(divide(a,d),b),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',prove_a_divide_d_LE_b) ).

fof(f861,plain,
    less_equal(divide(a,d),b),
    inference(trivial_inequality_removal,[],[f847]) ).

fof(f847,plain,
    ( zero != zero
    | less_equal(divide(a,d),b) ),
    inference(superposition,[],[f2,f839]) ).

fof(f839,plain,
    zero = divide(divide(a,d),b),
    inference(resolution,[],[f828,f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ~ less_equal(X0,zero)
      | zero = X0 ),
    inference(resolution,[],[f6,f5]) ).

fof(f5,axiom,
    ! [X0] : less_equal(zero,X0),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',zero_is_smallest) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( ~ less_equal(X1,X0)
      | ~ less_equal(X0,X1)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',less_equal_and_equal) ).

fof(f828,plain,
    less_equal(divide(divide(a,d),b),zero),
    inference(forward_demodulation,[],[f799,f9]) ).

fof(f9,axiom,
    ! [X0] : zero = divide(zero,X0),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',zero_divide_anything_is_zero) ).

fof(f799,plain,
    less_equal(divide(divide(a,d),b),divide(zero,b)),
    inference(superposition,[],[f320,f109]) ).

fof(f109,plain,
    zero = divide(divide(a,d),divide(b,d)),
    inference(resolution,[],[f73,f38]) ).

fof(f73,plain,
    less_equal(divide(divide(a,d),divide(b,d)),zero),
    inference(superposition,[],[f4,f18]) ).

fof(f18,plain,
    zero = divide(divide(a,b),d),
    inference(resolution,[],[f1,f11]) ).

fof(f11,axiom,
    less_equal(divide(a,b),d),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',a_divide_b_LE_d) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( ~ less_equal(X0,X1)
      | divide(X0,X1) = zero ),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',quotient_less_equal1) ).

fof(f4,axiom,
    ! [X2,X0,X1] : less_equal(divide(divide(X0,X2),divide(X1,X2)),divide(divide(X0,X1),X2)),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',quotient_property) ).

fof(f320,plain,
    ! [X8,X9,X7] : less_equal(divide(X9,X7),divide(divide(X9,divide(X7,X8)),X7)),
    inference(backward_demodulation,[],[f65,f304]) ).

fof(f304,plain,
    ! [X0] : divide(X0,zero) = X0,
    inference(resolution,[],[f299,f42]) ).

fof(f42,plain,
    ! [X3,X4] :
      ( ~ less_equal(X3,divide(X3,X4))
      | divide(X3,X4) = X3 ),
    inference(resolution,[],[f6,f3]) ).

fof(f3,axiom,
    ! [X0,X1] : less_equal(divide(X0,X1),X0),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',quotient_smaller_than_numerator) ).

fof(f299,plain,
    ! [X0] : less_equal(X0,divide(X0,zero)),
    inference(trivial_inequality_removal,[],[f283]) ).

fof(f283,plain,
    ! [X0] :
      ( zero != zero
      | less_equal(X0,divide(X0,zero)) ),
    inference(superposition,[],[f2,f263]) ).

fof(f263,plain,
    ! [X0] : zero = divide(X0,divide(X0,zero)),
    inference(resolution,[],[f257,f38]) ).

fof(f257,plain,
    ! [X5] : less_equal(divide(X5,divide(X5,zero)),zero),
    inference(trivial_inequality_removal,[],[f246]) ).

fof(f246,plain,
    ! [X5] :
      ( zero != zero
      | less_equal(divide(X5,divide(X5,zero)),zero) ),
    inference(superposition,[],[f2,f214]) ).

fof(f214,plain,
    ! [X0] : zero = divide(divide(X0,divide(X0,zero)),zero),
    inference(resolution,[],[f201,f38]) ).

fof(f201,plain,
    ! [X3] : less_equal(divide(divide(X3,divide(X3,zero)),zero),zero),
    inference(superposition,[],[f63,f10]) ).

fof(f10,axiom,
    ! [X0] : zero = divide(X0,X0),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',x_divide_x_is_zero) ).

fof(f63,plain,
    ! [X4,X5] : less_equal(divide(divide(X5,X4),zero),divide(divide(X5,zero),X4)),
    inference(superposition,[],[f4,f9]) ).

fof(f65,plain,
    ! [X8,X9,X7] : less_equal(divide(divide(X9,X7),zero),divide(divide(X9,divide(X7,X8)),X7)),
    inference(superposition,[],[f4,f19]) ).

fof(f19,plain,
    ! [X2,X3] : zero = divide(divide(X2,X3),X2),
    inference(resolution,[],[f1,f3]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( divide(X0,X1) != zero
      | less_equal(X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294',quotient_less_equal2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.13  % Problem    : HEN006-6 : TPTP v8.1.2. Released v1.0.0.
% 0.13/0.14  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.35  % Computer : n031.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Thu Aug 24 14:02:06 EDT 2023
% 0.15/0.35  % CPUTime    : 
% 0.15/0.35  This is a CNF_UNS_RFO_SEQ_HRN problem
% 0.15/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.lUEjAuUSmk/Vampire---4.8_19294
% 0.15/0.36  % (19520)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.42  % (19529)lrs-11_32_av=off:bd=off:bs=on:bsr=on:drc=off:flr=on:fsd=off:fsr=off:fde=none:gsp=on:irw=on:lcm=predicate:nm=4:sp=scramble:stl=125_825 on Vampire---4 for (825ds/0Mi)
% 0.22/0.42  % (19525)lrs-11_28_aac=none:afr=on:anc=none:bs=on:drc=off:fde=unused:gs=on:nm=2:nwc=1.3:sp=frequency:stl=188_1092 on Vampire---4 for (1092ds/0Mi)
% 0.22/0.42  % (19526)ott-4_11_av=off:bd=preordered:bce=on:drc=off:flr=on:fsr=off:lma=on:nwc=2.0:sp=occurrence:tgt=ground:urr=ec_only_1010 on Vampire---4 for (1010ds/0Mi)
% 0.22/0.42  % (19530)ott+11_14_av=off:bs=on:bsr=on:cond=on:flr=on:fsd=off:fde=unused:gsp=on:nm=4:nwc=1.5:tgt=full_501 on Vampire---4 for (501ds/0Mi)
% 0.22/0.42  % (19527)lrs+3_20_av=off:bd=preordered:drc=off:fsd=off:fsr=off:fde=unused:irw=on:lcm=reverse:sos=theory:stl=315_961 on Vampire---4 for (961ds/0Mi)
% 0.22/0.42  % (19523)lrs+10_11_cond=on:drc=off:flr=on:fsr=off:gsp=on:gs=on:gsem=off:lma=on:msp=off:nm=4:nwc=1.5:nicw=on:sas=z3:sims=off:sp=scramble:stl=188_1169 on Vampire---4 for (1169ds/0Mi)
% 0.22/0.42  % (19528)ott+1003_4:1_av=off:cond=on:drc=off:fsd=off:fsr=off:fde=none:gsp=on:nm=2:nwc=1.5:sos=all:sp=reverse_arity:tgt=full_871 on Vampire---4 for (871ds/0Mi)
% 0.22/0.44  % (19527)First to succeed.
% 0.22/0.44  % (19525)Also succeeded, but the first one will report.
% 0.22/0.44  % (19527)Refutation found. Thanks to Tanya!
% 0.22/0.44  % SZS status Unsatisfiable for Vampire---4
% 0.22/0.44  % SZS output start Proof for Vampire---4
% See solution above
% 0.22/0.44  % (19527)------------------------------
% 0.22/0.44  % (19527)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.22/0.44  % (19527)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.22/0.44  % (19527)Termination reason: Refutation
% 0.22/0.44  
% 0.22/0.44  % (19527)Memory used [KB]: 1279
% 0.22/0.44  % (19527)Time elapsed: 0.017 s
% 0.22/0.44  % (19527)------------------------------
% 0.22/0.44  % (19527)------------------------------
% 0.22/0.44  % (19520)Success in time 0.077 s
% 0.22/0.44  % Vampire---4.8 exiting
%------------------------------------------------------------------------------