TSTP Solution File: NUM921_1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : NUM921_1 : TPTP v8.1.0. Released v5.0.0.
% 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 : n026.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 18:07:12 EDT 2022

% Result   : Theorem 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   15 (   5 unt;   2 typ;   0 def)
%            Number of atoms       :   21 (   1 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   18 (  10   ~;   2   |;   2   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number arithmetic     :   66 (  19 atm;  20 fun;  10 num;  17 var)
%            Number of types       :    1 (   0 usr;   1 ari)
%            Number of type conns  :    1 (   1   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   2 usr;   2 con; 0-2 aty)
%            Number of variables   :   17 (  15   !;   2   ?;  17   :)

% Comments : 
%------------------------------------------------------------------------------
tff(func_def_0,type,
    f: $int > $int ).

tff(func_def_6,type,
    sK0: $int ).

tff(f295,plain,
    $false,
    inference(subsumption_resolution,[],[f292,f20]) ).

tff(f20,plain,
    ! [X0: $int] : $less(X0,f(X0)),
    inference(cnf_transformation,[],[f18]) ).

tff(f18,plain,
    ( ! [X0: $int] : $less(X0,f(X0))
    & ~ $less($sum(sK0,$uminus(f(sK0))),0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f16,f17]) ).

tff(f17,plain,
    ( ? [X1: $int] : ~ $less($sum(X1,$uminus(f(X1))),0)
   => ~ $less($sum(sK0,$uminus(f(sK0))),0) ),
    introduced(choice_axiom,[]) ).

tff(f16,plain,
    ( ! [X0: $int] : $less(X0,f(X0))
    & ? [X1: $int] : ~ $less($sum(X1,$uminus(f(X1))),0) ),
    inference(ennf_transformation,[],[f3]) ).

tff(f3,plain,
    ~ ( ! [X0: $int] : $less(X0,f(X0))
     => ! [X1: $int] : $less($sum(X1,$uminus(f(X1))),0) ),
    inference(theory_normalization,[],[f2]) ).

tff(f2,negated_conjecture,
    ~ ( ! [X0: $int] : $greater(f(X0),X0)
     => ! [X1: $int] : $less($difference(X1,f(X1)),0) ),
    inference(negated_conjecture,[],[f1]) ).

tff(f1,conjecture,
    ( ! [X0: $int] : $greater(f(X0),X0)
   => ! [X1: $int] : $less($difference(X1,f(X1)),0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

tff(f292,plain,
    ~ $less(sK0,f(sK0)),
    inference(resolution,[],[f19,f115]) ).

tff(f115,plain,
    ! [X2: $int,X3: $int] :
      ( $less($sum(X3,$uminus(X2)),0)
      | ~ $less(X3,X2) ),
    inference(superposition,[],[f12,f8]) ).

tff(f8,plain,
    ! [X0: $int] : ( 0 = $sum(X0,$uminus(X0)) ),
    introduced(theory_axiom_145,[]) ).

tff(f12,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( $less($sum(X0,X2),$sum(X1,X2))
      | ~ $less(X0,X1) ),
    introduced(theory_axiom_150,[]) ).

tff(f19,plain,
    ~ $less($sum(sK0,$uminus(f(sK0))),0),
    inference(cnf_transformation,[],[f18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : NUM921=1 : TPTP v8.1.0. Released v5.0.0.
% 0.11/0.13  % 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 : n026.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   : Tue Aug 30 09:31:21 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.50  % (18576)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/355Mi)
% 0.20/0.50  % (18568)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/138Mi)
% 0.20/0.51  % (18568)First to succeed.
% 0.20/0.52  % (18555)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/2Mi)
% 0.20/0.52  % (18555)Instruction limit reached!
% 0.20/0.52  % (18555)------------------------------
% 0.20/0.52  % (18555)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.52  % (18555)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.52  % (18555)Termination reason: Unknown
% 0.20/0.52  % (18555)Termination phase: Saturation
% 0.20/0.52  
% 0.20/0.52  % (18555)Memory used [KB]: 895
% 0.20/0.52  % (18555)Time elapsed: 0.002 s
% 0.20/0.52  % (18555)Instructions burned: 2 (million)
% 0.20/0.52  % (18555)------------------------------
% 0.20/0.52  % (18555)------------------------------
% 0.20/0.52  % (18553)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/7Mi)
% 0.20/0.52  % (18549)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.53  % (18547)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.20/0.53  % (18568)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Theorem for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (18568)------------------------------
% 0.20/0.53  % (18568)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (18568)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (18568)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (18568)Memory used [KB]: 5628
% 0.20/0.53  % (18568)Time elapsed: 0.100 s
% 0.20/0.53  % (18568)Instructions burned: 13 (million)
% 0.20/0.53  % (18568)------------------------------
% 0.20/0.53  % (18568)------------------------------
% 0.20/0.53  % (18545)Success in time 0.168 s
%------------------------------------------------------------------------------