TSTP Solution File: HEN002-4 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : HEN002-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n002.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 22:39:44 EDT 2022

% Result   : Unsatisfiable 0.17s 0.37s
% Output   : Proof 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   27 (  10 unt;   4 typ;   0 def)
%            Number of atoms       :   56 (  22 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   59 (  28   ~;  23   |;   0   &)
%                                         (   8 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of FOOLs       :    2 (   2 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   2   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   36 (  33   !;   0   ?;  36   :)

% Comments : 
%------------------------------------------------------------------------------
tff(less_equal_type,type,
    less_equal: ( $i * $i ) > $o ).

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

tff(zero_type,type,
    zero: $i ).

tff(divide_type,type,
    divide: ( $i * $i ) > $i ).

tff(1,plain,
    ( ( divide(zero,a) != zero )
  <=> ( divide(zero,a) != zero ) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    divide(zero,a) != zero,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_zero_over_a_is_zero) ).

tff(3,plain,
    divide(zero,a) != zero,
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( ~ less_equal(X,Y)
          | ( divide(X,Y) = zero ) )
      <=> ( ~ less_equal(X,Y)
          | ( divide(X,Y) = zero ) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ less_equal(X,Y)
        | ( divide(X,Y) = zero ) )
  <=> ! [Y: $i,X: $i] :
        ( ~ less_equal(X,Y)
        | ( divide(X,Y) = zero ) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ less_equal(X,Y)
        | ( divide(X,Y) = zero ) )
  <=> ! [Y: $i,X: $i] :
        ( ~ less_equal(X,Y)
        | ( divide(X,Y) = zero ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,axiom,
    ! [Y: $i,X: $i] :
      ( ~ less_equal(X,Y)
      | ( divide(X,Y) = zero ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/HEN002-0.ax',quotient_less_equal1) ).

tff(8,plain,
    ! [Y: $i,X: $i] :
      ( ~ less_equal(X,Y)
      | ( divide(X,Y) = zero ) ),
    inference(modus_ponens,[status(thm)],[7,6]) ).

tff(9,plain,
    ! [Y: $i,X: $i] :
      ( ~ less_equal(X,Y)
      | ( divide(X,Y) = zero ) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [Y: $i,X: $i] :
      ( ~ less_equal(X,Y)
      | ( divide(X,Y) = zero ) ),
    inference(modus_ponens,[status(thm)],[9,5]) ).

tff(11,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( ~ less_equal(X,Y)
            | ( divide(X,Y) = zero ) )
      | ~ less_equal(zero,a)
      | ( divide(zero,a) = zero ) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( ~ less_equal(X,Y)
            | ( divide(X,Y) = zero ) )
      | ~ less_equal(zero,a)
      | ( divide(zero,a) = zero ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( ~ less_equal(X,Y)
          | ( divide(X,Y) = zero ) )
    | ~ less_equal(zero,a)
    | ( divide(zero,a) = zero ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( ~ less_equal(X,Y)
          | ( divide(X,Y) = zero ) )
    | ~ less_equal(zero,a)
    | ( divide(zero,a) = zero ) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    ~ less_equal(zero,a),
    inference(unit_resolution,[status(thm)],[13,10,3]) ).

tff(15,plain,
    ^ [X: $i] :
      refl(
        ( less_equal(zero,X)
      <=> less_equal(zero,X) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [X: $i] : less_equal(zero,X)
  <=> ! [X: $i] : less_equal(zero,X) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,plain,
    ( ! [X: $i] : less_equal(zero,X)
  <=> ! [X: $i] : less_equal(zero,X) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    ! [X: $i] : less_equal(zero,X),
    file('/export/starexec/sandbox/benchmark/Axioms/HEN002-0.ax',zero_is_smallest) ).

tff(19,plain,
    ! [X: $i] : less_equal(zero,X),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ! [X: $i] : less_equal(zero,X),
    inference(skolemize,[status(sab)],[19]) ).

tff(21,plain,
    ! [X: $i] : less_equal(zero,X),
    inference(modus_ponens,[status(thm)],[20,16]) ).

tff(22,plain,
    ( ~ ! [X: $i] : less_equal(zero,X)
    | less_equal(zero,a) ),
    inference(quant_inst,[status(thm)],]) ).

tff(23,plain,
    $false,
    inference(unit_resolution,[status(thm)],[22,21,14]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : HEN002-4 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.11/0.32  % Computer : n002.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Wed Aug 31 21:51:45 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.11/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.11/0.33  Usage: tptp [options] [-file:]file
% 0.11/0.33    -h, -?       prints this message.
% 0.11/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.11/0.33    -m, -model   generate model.
% 0.11/0.33    -p, -proof   generate proof.
% 0.11/0.33    -c, -core    generate unsat core of named formulas.
% 0.11/0.33    -st, -statistics display statistics.
% 0.11/0.33    -t:timeout   set timeout (in second).
% 0.11/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.11/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.11/0.33    -<param>:<value> configuration parameter and value.
% 0.11/0.33    -o:<output-file> file to place output in.
% 0.17/0.37  % SZS status Unsatisfiable
% 0.17/0.37  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------