TSTP Solution File: DAT077_1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : DAT077_1 : TPTP v8.1.0. Released v6.1.0.
% 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 : n017.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 16:04:49 EDT 2022

% Result   : Theorem 0.17s 0.49s
% Output   : Refutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   19
% Syntax   : Number of formulae    :   36 (   9 unt;  15 typ;   0 def)
%            Number of atoms       :   73 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   78 (  26   ~;   6   |;  36   &)
%                                         (   3 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number arithmetic     :  107 (  53 atm;   0 fun;  14 num;  40 var)
%            Number of types       :    3 (   1 usr;   1 ari)
%            Number of type conns  :   30 (  14   >;  16   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   12 (  11 usr;   1 con; 0-3 aty)
%            Number of variables   :   51 (  38   !;  13   ?;  51   :)

% Comments : 
%------------------------------------------------------------------------------
tff(type_def_5,type,
    array: $tType ).

tff(func_def_0,type,
    read: ( array * $int ) > $int ).

tff(func_def_1,type,
    write: ( array * $int * $int ) > array ).

tff(func_def_2,type,
    init: $int > array ).

tff(func_def_3,type,
    max: ( array * $int ) > $int ).

tff(func_def_5,type,
    rev: ( array * $int ) > array ).

tff(func_def_10,type,
    sK0: ( array * $int * $int ) > $int ).

tff(func_def_11,type,
    sK1: ( array * $int ) > $int ).

tff(func_def_12,type,
    sK2: ( array * $int ) > $int ).

tff(func_def_13,type,
    sK3: $int > $int ).

tff(func_def_14,type,
    sK4: ( $int * array * array ) > $int ).

tff(func_def_15,type,
    sK5: ( array * array ) > $int ).

tff(pred_def_4,type,
    sorted: ( array * $int ) > $o ).

tff(pred_def_6,type,
    inRange: ( array * $int * $int ) > $o ).

tff(pred_def_7,type,
    distinct: ( array * $int ) > $o ).

tff(f125,plain,
    $false,
    inference(subsumption_resolution,[],[f122,f69]) ).

tff(f69,plain,
    ! [X0: $int] : ~ sorted(rev(init(sK3(X0)),X0),X0),
    inference(cnf_transformation,[],[f53]) ).

tff(f53,plain,
    ! [X0: $int] : ~ sorted(rev(init(sK3(X0)),X0),X0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f38,f52]) ).

tff(f52,plain,
    ! [X0: $int] :
      ( ? [X1: $int] : ~ sorted(rev(init(X1),X0),X0)
     => ~ sorted(rev(init(sK3(X0)),X0),X0) ),
    introduced(choice_axiom,[]) ).

tff(f38,plain,
    ! [X0: $int] :
    ? [X1: $int] : ~ sorted(rev(init(X1),X0),X0),
    inference(flattening,[],[f37]) ).

tff(f37,plain,
    ~ ~ ! [X0: $int] :
        ? [X1: $int] : ~ sorted(rev(init(X1),X0),X0),
    inference(rectify,[],[f11]) ).

tff(f11,negated_conjecture,
    ~ ~ ! [X8: $int] :
        ? [X5: $int] : ~ sorted(rev(init(X5),X8),X8),
    inference(negated_conjecture,[],[f10]) ).

tff(f10,conjecture,
    ~ ! [X8: $int] :
      ? [X5: $int] : ~ sorted(rev(init(X5),X8),X8),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c5) ).

tff(f122,plain,
    sorted(rev(init(sK3(0)),0),0),
    inference(resolution,[],[f121,f66]) ).

tff(f66,plain,
    ! [X0: array,X1: $int] :
      ( ~ $less(sK2(X0,X1),0)
      | sorted(X0,X1) ),
    inference(cnf_transformation,[],[f51]) ).

tff(f51,plain,
    ! [X0: array,X1: $int] :
      ( ( $less(sK1(X0,X1),X1)
        & $less(read(X0,sK1(X0,X1)),read(X0,sK2(X0,X1)))
        & ~ $less(sK2(X0,X1),0)
        & $less(sK2(X0,X1),sK1(X0,X1))
        & $less(sK2(X0,X1),X1) )
      | sorted(X0,X1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f49,f50]) ).

tff(f50,plain,
    ! [X0: array,X1: $int] :
      ( ? [X2: $int,X3: $int] :
          ( $less(X2,X1)
          & $less(read(X0,X2),read(X0,X3))
          & ~ $less(X3,0)
          & $less(X3,X2)
          & $less(X3,X1) )
     => ( $less(sK1(X0,X1),X1)
        & $less(read(X0,sK1(X0,X1)),read(X0,sK2(X0,X1)))
        & ~ $less(sK2(X0,X1),0)
        & $less(sK2(X0,X1),sK1(X0,X1))
        & $less(sK2(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

tff(f49,plain,
    ! [X0: array,X1: $int] :
      ( ? [X2: $int,X3: $int] :
          ( $less(X2,X1)
          & $less(read(X0,X2),read(X0,X3))
          & ~ $less(X3,0)
          & $less(X3,X2)
          & $less(X3,X1) )
      | sorted(X0,X1) ),
    inference(rectify,[],[f43]) ).

tff(f43,plain,
    ! [X1: array,X0: $int] :
      ( ? [X2: $int,X3: $int] :
          ( $less(X2,X0)
          & $less(read(X1,X2),read(X1,X3))
          & ~ $less(X3,0)
          & $less(X3,X2)
          & $less(X3,X0) )
      | sorted(X1,X0) ),
    inference(flattening,[],[f42]) ).

tff(f42,plain,
    ! [X0: $int,X1: array] :
      ( sorted(X1,X0)
      | ? [X3: $int,X2: $int] :
          ( $less(read(X1,X2),read(X1,X3))
          & $less(X3,X0)
          & $less(X2,X0)
          & $less(X3,X2)
          & ~ $less(X3,0) ) ),
    inference(ennf_transformation,[],[f40]) ).

tff(f40,plain,
    ! [X0: $int,X1: array] :
      ( ! [X3: $int,X2: $int] :
          ( ( $less(X3,X0)
            & $less(X2,X0)
            & $less(X3,X2)
            & ~ $less(X3,0) )
         => ~ $less(read(X1,X2),read(X1,X3)) )
     => sorted(X1,X0) ),
    inference(unused_predicate_definition_removal,[],[f29]) ).

tff(f29,plain,
    ! [X0: $int,X1: array] :
      ( ! [X3: $int,X2: $int] :
          ( ( $less(X3,X0)
            & $less(X2,X0)
            & $less(X3,X2)
            & ~ $less(X3,0) )
         => ~ $less(read(X1,X2),read(X1,X3)) )
    <=> sorted(X1,X0) ),
    inference(rectify,[],[f12]) ).

tff(f12,plain,
    ! [X5: $int,X0: array] :
      ( sorted(X0,X5)
    <=> ! [X3: $int,X1: $int] :
          ( ( $less(X3,X5)
            & ~ $less(X1,0)
            & $less(X1,X5)
            & $less(X1,X3) )
         => ~ $less(read(X0,X3),read(X0,X1)) ) ),
    inference(theory_normalization,[],[f6]) ).

tff(f6,axiom,
    ! [X5: $int,X0: array] :
      ( sorted(X0,X5)
    <=> ! [X3: $int,X1: $int] :
          ( ( $less(X3,X5)
            & $lesseq(0,X1)
            & $less(X1,X5)
            & $less(X1,X3) )
         => $lesseq(read(X0,X1),read(X0,X3)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sorted1) ).

tff(f121,plain,
    ! [X0: $int] : $less(sK2(rev(init(sK3(X0)),X0),X0),X0),
    inference(resolution,[],[f64,f69]) ).

tff(f64,plain,
    ! [X0: array,X1: $int] :
      ( sorted(X0,X1)
      | $less(sK2(X0,X1),X1) ),
    inference(cnf_transformation,[],[f51]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.10  % Problem    : DAT077=1 : TPTP v8.1.0. Released v6.1.0.
% 0.03/0.11  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.10/0.31  % Computer : n017.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit   : 300
% 0.10/0.31  % WCLimit    : 300
% 0.10/0.31  % DateTime   : Mon Aug 29 19:45:04 EDT 2022
% 0.10/0.32  % CPUTime    : 
% 0.17/0.47  % (12211)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.17/0.47  % (12213)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.17/0.48  % (12205)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)
% 0.17/0.48  % (12219)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 (2999ds/75Mi)
% 0.17/0.48  % (12219)First to succeed.
% 0.17/0.49  % (12227)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 (2999ds/467Mi)
% 0.17/0.49  % (12221)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.17/0.49  % (12221)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.17/0.49  % (12221)Terminated due to inappropriate strategy.
% 0.17/0.49  % (12221)------------------------------
% 0.17/0.49  % (12221)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.49  % (12221)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.49  % (12221)Termination reason: Inappropriate
% 0.17/0.49  
% 0.17/0.49  % (12221)Memory used [KB]: 895
% 0.17/0.49  % (12221)Time elapsed: 0.003 s
% 0.17/0.49  % (12221)Instructions burned: 2 (million)
% 0.17/0.49  % (12221)------------------------------
% 0.17/0.49  % (12221)------------------------------
% 0.17/0.49  % (12211)Instruction limit reached!
% 0.17/0.49  % (12211)------------------------------
% 0.17/0.49  % (12211)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.49  % (12213)Also succeeded, but the first one will report.
% 0.17/0.49  % (12209)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.17/0.49  % (12219)Refutation found. Thanks to Tanya!
% 0.17/0.49  % SZS status Theorem for theBenchmark
% 0.17/0.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.17/0.49  % (12219)------------------------------
% 0.17/0.49  % (12219)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.49  % (12219)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.49  % (12219)Termination reason: Refutation
% 0.17/0.49  
% 0.17/0.49  % (12219)Memory used [KB]: 1023
% 0.17/0.49  % (12219)Time elapsed: 0.115 s
% 0.17/0.49  % (12219)Instructions burned: 6 (million)
% 0.17/0.49  % (12219)------------------------------
% 0.17/0.49  % (12219)------------------------------
% 0.17/0.49  % (12203)Success in time 0.17 s
%------------------------------------------------------------------------------