TSTP Solution File: GRP146-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : GRP146-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n014.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 : Fri Sep 16 22:26:22 EDT 2022

% Result   : Unsatisfiable 0.14s 0.39s
% Output   : Proof 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   26 (  16 unt;   4 typ;   0 def)
%            Number of atoms       :   30 (  28 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   12 (   5   ~;   1   |;   0   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of FOOLs       :    1 (   1 fml;   0 var)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    2 (   1   >;   1   *;   0   +;   0  <<)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   30 (  27   !;   0   ?;  30   :)

% Comments : 
%------------------------------------------------------------------------------
tff(c_type,type,
    c: $i ).

tff(least_upper_bound_type,type,
    least_upper_bound: ( $i * $i ) > $i ).

tff(b_type,type,
    b: $i ).

tff(a_type,type,
    a: $i ).

tff(1,plain,
    ( ( least_upper_bound(a,c) = c )
  <=> ( least_upper_bound(a,c) = c ) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    least_upper_bound(a,c) = c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax_lub1a_1) ).

tff(3,plain,
    least_upper_bound(a,c) = c,
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ( ( least_upper_bound(b,c) = c )
  <=> ( least_upper_bound(b,c) = c ) ),
    inference(rewrite,[status(thm)],]) ).

tff(5,axiom,
    least_upper_bound(b,c) = c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax_lub1a_2) ).

tff(6,plain,
    least_upper_bound(b,c) = c,
    inference(modus_ponens,[status(thm)],[5,4]) ).

tff(7,plain,
    least_upper_bound(a,least_upper_bound(b,c)) = least_upper_bound(a,c),
    inference(monotonicity,[status(thm)],[6]) ).

tff(8,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) )
      <=> ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ) )),
    inference(bind,[status(th)],]) ).

tff(9,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ) ),
    inference(quant_intro,[status(thm)],[8]) ).

tff(10,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(11,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',associativity_of_lub) ).

tff(12,plain,
    ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ),
    inference(modus_ponens,[status(thm)],[11,10]) ).

tff(13,plain,
    ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ),
    inference(skolemize,[status(sab)],[12]) ).

tff(14,plain,
    ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) ),
    inference(modus_ponens,[status(thm)],[13,9]) ).

tff(15,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( least_upper_bound(X,least_upper_bound(Y,Z)) = least_upper_bound(least_upper_bound(X,Y),Z) )
    | ( least_upper_bound(a,least_upper_bound(b,c)) = least_upper_bound(least_upper_bound(a,b),c) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(16,plain,
    least_upper_bound(a,least_upper_bound(b,c)) = least_upper_bound(least_upper_bound(a,b),c),
    inference(unit_resolution,[status(thm)],[15,14]) ).

tff(17,plain,
    least_upper_bound(least_upper_bound(a,b),c) = least_upper_bound(a,least_upper_bound(b,c)),
    inference(symmetry,[status(thm)],[16]) ).

tff(18,plain,
    least_upper_bound(least_upper_bound(a,b),c) = c,
    inference(transitivity,[status(thm)],[17,7,3]) ).

tff(19,plain,
    ( ( least_upper_bound(least_upper_bound(a,b),c) != c )
  <=> ( least_upper_bound(least_upper_bound(a,b),c) != c ) ),
    inference(rewrite,[status(thm)],]) ).

tff(20,axiom,
    least_upper_bound(least_upper_bound(a,b),c) != c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_ax_lub1a) ).

tff(21,plain,
    least_upper_bound(least_upper_bound(a,b),c) != c,
    inference(modus_ponens,[status(thm)],[20,19]) ).

tff(22,plain,
    $false,
    inference(unit_resolution,[status(thm)],[21,18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP146-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.14/0.34  % Computer : n014.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Wed Aug 31 15:13:02 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.14/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.14/0.35  Usage: tptp [options] [-file:]file
% 0.14/0.35    -h, -?       prints this message.
% 0.14/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.14/0.35    -m, -model   generate model.
% 0.14/0.35    -p, -proof   generate proof.
% 0.14/0.35    -c, -core    generate unsat core of named formulas.
% 0.14/0.35    -st, -statistics display statistics.
% 0.14/0.35    -t:timeout   set timeout (in second).
% 0.14/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.14/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.14/0.35    -<param>:<value> configuration parameter and value.
% 0.14/0.35    -o:<output-file> file to place output in.
% 0.14/0.39  % SZS status Unsatisfiable
% 0.14/0.39  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------