TSTP Solution File: CSR019+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : CSR019+1 : TPTP v8.1.0. Bugfixed v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n013.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  : 600s
% DateTime : Fri Jul 15 21:56:33 EDT 2022

% Result   : Theorem 0.39s 0.60s
% Output   : CNFRefutation 0.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   76 (  15 unt;   4 def)
%            Number of atoms       :  418 ( 186 equ)
%            Maximal formula atoms :   50 (   5 avg)
%            Number of connectives :  587 ( 245   ~; 232   |;  91   &)
%                                         (  18 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   10 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   8 con; 0-2 aty)
%            Number of variables   :  119 (   0 sgn  80   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(happens_terminates_not_holds,axiom,
    ! [Event,Time,Fluent] :
      ( ( happens(Event,Time)
        & terminates(Event,Fluent,Time) )
     => ~ holdsAt(Fluent,plus(Time,n1)) ) ).

fof(terminates_all_defn,axiom,
    ! [Event,Fluent,Time] :
      ( terminates(Event,Fluent,Time)
    <=> ( ( Event = push
          & Fluent = backwards
          & ~ happens(pull,Time) )
        | ( Event = pull
          & Fluent = forwards
          & ~ happens(push,Time) )
        | ( Event = pull
          & Fluent = forwards
          & happens(push,Time) )
        | ( Event = pull
          & Fluent = backwards
          & happens(push,Time) )
        | ( Event = push
          & Fluent = spinning
          & ~ happens(pull,Time) )
        | ( Event = pull
          & Fluent = spinning
          & ~ happens(push,Time) ) ) ) ).

fof(happens_all_defn,axiom,
    ! [Event,Time] :
      ( happens(Event,Time)
    <=> ( ( Event = push
          & Time = n0 )
        | ( Event = pull
          & Time = n1 )
        | ( Event = pull
          & Time = n2 )
        | ( Event = push
          & Time = n2 ) ) ) ).

fof(plus1_1,axiom,
    plus(n1,n1) = n2 ).

fof(not_forwards_2,conjecture,
    ~ holdsAt(forwards,n2) ).

fof(definition_0,definition,
    ! [Event,Fluent,Time] :
      ( definitionFOFtoCNF_1(Event,Fluent,Time)
    <=> ( ( Event != pull
          | Fluent != backwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | happens(push,Time) ) ) ) ).

fof(definition_1,definition,
    ! [Event,Fluent,Time] :
      ( definitionFOFtoCNF_2(Event,Fluent,Time)
    <=> ( Event != pull
        | Fluent != backwards
        | ~ happens(push,Time) ) ) ).

fof(definition_2,definition,
    ! [Event,Fluent,Time] :
      ( definitionFOFtoCNF_3(Event,Fluent,Time)
    <=> ( Event != pull
        | Fluent != spinning
        | happens(push,Time) ) ) ).

fof(definition_3,definition,
    ! [Event,Time] :
      ( definitionFOFtoCNF_4(Event,Time)
    <=> ( Event != pull
        | Time != n1 ) ) ).

fof(subgoal_0,plain,
    ~ holdsAt(forwards,n2),
    inference(strip,[],[not_forwards_2]) ).

fof(negate_0_0,plain,
    ~ ~ holdsAt(forwards,n2),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [Event,Fluent,Time] :
      ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
    <=> ( ( ~ happens(push,Time)
          & Event = pull
          & Fluent = forwards )
        | ( Event = pull
          & Fluent = backwards
          & happens(push,Time) )
        | ( Event = pull
          & Fluent = forwards
          & happens(push,Time) ) ) ),
    inference(canonicalize,[],[definition_0]) ).

fof(normalize_0_1,plain,
    ! [Event,Fluent,Time] :
      ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
    <=> ( Event = pull
        & Fluent = backwards
        & happens(push,Time) ) ),
    inference(canonicalize,[],[definition_1]) ).

fof(normalize_0_2,plain,
    ! [Event,Fluent,Time] :
      ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
    <=> ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | ( ~ happens(push,Time)
          & Event = pull
          & Fluent = forwards )
        | ( Event = pull
          & Fluent = forwards
          & happens(push,Time) ) ) ),
    inference(simplify,[],[normalize_0_0,normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [Event,Fluent,Time] :
      ( ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | definitionFOFtoCNF_2(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | Event = pull
        | definitionFOFtoCNF_1(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | Fluent = forwards
        | definitionFOFtoCNF_1(Event,Fluent,Time) )
      & ( Event != pull
        | Fluent != forwards
        | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ happens(push,Time) )
      & ( Event != pull
        | Fluent != forwards
        | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | happens(push,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | ~ happens(push,Time)
        | Event = pull
        | definitionFOFtoCNF_1(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | ~ happens(push,Time)
        | Fluent = forwards
        | definitionFOFtoCNF_1(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | Event = pull
        | Fluent = forwards
        | definitionFOFtoCNF_1(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | Event = pull
        | definitionFOFtoCNF_1(Event,Fluent,Time)
        | happens(push,Time) )
      & ( ~ definitionFOFtoCNF_2(Event,Fluent,Time)
        | Fluent = forwards
        | definitionFOFtoCNF_1(Event,Fluent,Time)
        | happens(push,Time) ) ),
    inference(clausify,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [Event,Fluent,Time] :
      ( Event != pull
      | Fluent != forwards
      | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
      | happens(push,Time) ),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [Event,Time] :
      ( ~ happens(Event,Time)
    <=> ( ( Event != pull
          | Time != n1 )
        & ( Event != pull
          | Time != n2 )
        & ( Event != push
          | Time != n0 )
        & ( Event != push
          | Time != n2 ) ) ),
    inference(canonicalize,[],[happens_all_defn]) ).

fof(normalize_0_6,plain,
    ! [Event,Time] :
      ( ~ happens(Event,Time)
    <=> ( ( Event != pull
          | Time != n1 )
        & ( Event != pull
          | Time != n2 )
        & ( Event != push
          | Time != n0 )
        & ( Event != push
          | Time != n2 ) ) ),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [Event,Time] :
      ( ~ definitionFOFtoCNF_4(Event,Time)
    <=> ( Event = pull
        & Time = n1 ) ),
    inference(canonicalize,[],[definition_3]) ).

fof(normalize_0_8,plain,
    ! [Event,Time] :
      ( ~ happens(Event,Time)
    <=> ( definitionFOFtoCNF_4(Event,Time)
        & ( Event != pull
          | Time != n2 )
        & ( Event != push
          | Time != n0 )
        & ( Event != push
          | Time != n2 ) ) ),
    inference(simplify,[],[normalize_0_6,normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [Event,Time] :
      ( ( definitionFOFtoCNF_4(Event,Time)
        | happens(Event,Time) )
      & ( Event != pull
        | Time != n2
        | happens(Event,Time) )
      & ( Event != push
        | Time != n0
        | happens(Event,Time) )
      & ( Event != push
        | Time != n2
        | happens(Event,Time) )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = pull
        | Event = push )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = push
        | Time = n2 )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Time = n0
        | Time = n2 )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = pull
        | Event = push
        | Time = n0 )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = pull
        | Event = push
        | Time = n2 )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = pull
        | Time = n0
        | Time = n2 )
      & ( ~ definitionFOFtoCNF_4(Event,Time)
        | ~ happens(Event,Time)
        | Event = push
        | Time = n0
        | Time = n2 ) ),
    inference(clausify,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [Event,Time] :
      ( definitionFOFtoCNF_4(Event,Time)
      | happens(Event,Time) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    holdsAt(forwards,n2),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_12,plain,
    ! [Event,Fluent,Time] :
      ( ~ terminates(Event,Fluent,Time)
    <=> ( ( Event != pull
          | Fluent != backwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | happens(push,Time) )
        & ( Event != pull
          | Fluent != spinning
          | happens(push,Time) )
        & ( Event != push
          | Fluent != backwards
          | happens(pull,Time) )
        & ( Event != push
          | Fluent != spinning
          | happens(pull,Time) ) ) ),
    inference(canonicalize,[],[terminates_all_defn]) ).

fof(normalize_0_13,plain,
    ! [Event,Fluent,Time] :
      ( ~ terminates(Event,Fluent,Time)
    <=> ( ( Event != pull
          | Fluent != backwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | ~ happens(push,Time) )
        & ( Event != pull
          | Fluent != forwards
          | happens(push,Time) )
        & ( Event != pull
          | Fluent != spinning
          | happens(push,Time) )
        & ( Event != push
          | Fluent != backwards
          | happens(pull,Time) )
        & ( Event != push
          | Fluent != spinning
          | happens(pull,Time) ) ) ),
    inference(specialize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [Event,Fluent,Time] :
      ( ~ terminates(Event,Fluent,Time)
    <=> ( definitionFOFtoCNF_1(Event,Fluent,Time)
        & ( Event != pull
          | Fluent != spinning
          | happens(push,Time) )
        & ( Event != push
          | Fluent != backwards
          | happens(pull,Time) )
        & ( Event != push
          | Fluent != spinning
          | happens(pull,Time) ) ) ),
    inference(simplify,[],[normalize_0_13,normalize_0_2,normalize_0_1]) ).

fof(normalize_0_15,plain,
    ! [Event,Fluent,Time] :
      ( ~ definitionFOFtoCNF_3(Event,Fluent,Time)
    <=> ( ~ happens(push,Time)
        & Event = pull
        & Fluent = spinning ) ),
    inference(canonicalize,[],[definition_2]) ).

fof(normalize_0_16,plain,
    ! [Event,Fluent,Time] :
      ( ~ terminates(Event,Fluent,Time)
    <=> ( definitionFOFtoCNF_1(Event,Fluent,Time)
        & definitionFOFtoCNF_3(Event,Fluent,Time)
        & ( Event != push
          | Fluent != backwards
          | happens(pull,Time) )
        & ( Event != push
          | Fluent != spinning
          | happens(pull,Time) ) ) ),
    inference(simplify,[],[normalize_0_14,normalize_0_15]) ).

fof(normalize_0_17,plain,
    ! [Event,Fluent,Time] :
      ( ( definitionFOFtoCNF_1(Event,Fluent,Time)
        | terminates(Event,Fluent,Time) )
      & ( definitionFOFtoCNF_3(Event,Fluent,Time)
        | terminates(Event,Fluent,Time) )
      & ( Event != push
        | Fluent != backwards
        | happens(pull,Time)
        | terminates(Event,Fluent,Time) )
      & ( Event != push
        | Fluent != spinning
        | happens(pull,Time)
        | terminates(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ happens(pull,Time)
        | ~ terminates(Event,Fluent,Time) )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ terminates(Event,Fluent,Time)
        | Event = push )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ happens(pull,Time)
        | ~ terminates(Event,Fluent,Time)
        | Event = push )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ happens(pull,Time)
        | ~ terminates(Event,Fluent,Time)
        | Fluent = backwards )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ happens(pull,Time)
        | ~ terminates(Event,Fluent,Time)
        | Fluent = spinning )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ terminates(Event,Fluent,Time)
        | Event = push
        | Fluent = backwards )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ terminates(Event,Fluent,Time)
        | Event = push
        | Fluent = spinning )
      & ( ~ definitionFOFtoCNF_1(Event,Fluent,Time)
        | ~ definitionFOFtoCNF_3(Event,Fluent,Time)
        | ~ terminates(Event,Fluent,Time)
        | Fluent = backwards
        | Fluent = spinning ) ),
    inference(clausify,[],[normalize_0_16]) ).

fof(normalize_0_18,plain,
    ! [Event,Fluent,Time] :
      ( definitionFOFtoCNF_1(Event,Fluent,Time)
      | terminates(Event,Fluent,Time) ),
    inference(conjunct,[],[normalize_0_17]) ).

fof(normalize_0_19,plain,
    ! [Event,Fluent,Time] :
      ( ~ happens(Event,Time)
      | ~ holdsAt(Fluent,plus(Time,n1))
      | ~ terminates(Event,Fluent,Time) ),
    inference(canonicalize,[],[happens_terminates_not_holds]) ).

fof(normalize_0_20,plain,
    ! [Event,Fluent,Time] :
      ( ~ happens(Event,Time)
      | ~ holdsAt(Fluent,plus(Time,n1))
      | ~ terminates(Event,Fluent,Time) ),
    inference(specialize,[],[normalize_0_19]) ).

fof(normalize_0_21,plain,
    plus(n1,n1) = n2,
    inference(canonicalize,[],[plus1_1]) ).

fof(normalize_0_22,plain,
    ! [Event,Time] :
      ( ( Event = pull
        | definitionFOFtoCNF_4(Event,Time) )
      & ( Time = n1
        | definitionFOFtoCNF_4(Event,Time) )
      & ( Event != pull
        | Time != n1
        | ~ definitionFOFtoCNF_4(Event,Time) ) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_23,plain,
    ! [Event,Time] :
      ( Event != pull
      | Time != n1
      | ~ definitionFOFtoCNF_4(Event,Time) ),
    inference(conjunct,[],[normalize_0_22]) ).

fof(normalize_0_24,plain,
    ! [Event,Fluent,Time] :
      ( Event != pull
      | Fluent != forwards
      | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
      | ~ happens(push,Time) ),
    inference(conjunct,[],[normalize_0_3]) ).

cnf(refute_0_0,plain,
    ( Event != pull
    | Fluent != forwards
    | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
    | happens(push,Time) ),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_1,plain,
    ( forwards != forwards
    | pull != pull
    | ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | happens(push,Time) ),
    inference(subst,[],[refute_0_0:[bind(Event,$fot(pull)),bind(Fluent,$fot(forwards))]]) ).

cnf(refute_0_2,plain,
    forwards = forwards,
    introduced(tautology,[refl,[$fot(forwards)]]) ).

cnf(refute_0_3,plain,
    ( pull != pull
    | ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | happens(push,Time) ),
    inference(resolve,[$cnf( $equal(forwards,forwards) )],[refute_0_2,refute_0_1]) ).

cnf(refute_0_4,plain,
    pull = pull,
    introduced(tautology,[refl,[$fot(pull)]]) ).

cnf(refute_0_5,plain,
    ( ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | happens(push,Time) ),
    inference(resolve,[$cnf( $equal(pull,pull) )],[refute_0_4,refute_0_3]) ).

cnf(refute_0_6,plain,
    ( ~ definitionFOFtoCNF_1(pull,forwards,n1)
    | happens(push,n1) ),
    inference(subst,[],[refute_0_5:[bind(Time,$fot(n1))]]) ).

cnf(refute_0_7,plain,
    ( definitionFOFtoCNF_4(Event,Time)
    | happens(Event,Time) ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_8,plain,
    ( definitionFOFtoCNF_4(X_327,n1)
    | happens(X_327,n1) ),
    inference(subst,[],[refute_0_7:[bind(Event,$fot(X_327)),bind(Time,$fot(n1))]]) ).

cnf(refute_0_9,plain,
    holdsAt(forwards,n2),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_10,plain,
    ( definitionFOFtoCNF_1(Event,Fluent,Time)
    | terminates(Event,Fluent,Time) ),
    inference(canonicalize,[],[normalize_0_18]) ).

cnf(refute_0_11,plain,
    ( definitionFOFtoCNF_1(X_278,X_279,n1)
    | terminates(X_278,X_279,n1) ),
    inference(subst,[],[refute_0_10:[bind(Event,$fot(X_278)),bind(Fluent,$fot(X_279)),bind(Time,$fot(n1))]]) ).

cnf(refute_0_12,plain,
    ( ~ happens(Event,Time)
    | ~ holdsAt(Fluent,plus(Time,n1))
    | ~ terminates(Event,Fluent,Time) ),
    inference(canonicalize,[],[normalize_0_20]) ).

cnf(refute_0_13,plain,
    ( ~ happens(X_273,n1)
    | ~ holdsAt(X_274,plus(n1,n1))
    | ~ terminates(X_273,X_274,n1) ),
    inference(subst,[],[refute_0_12:[bind(Event,$fot(X_273)),bind(Fluent,$fot(X_274)),bind(Time,$fot(n1))]]) ).

cnf(refute_0_14,plain,
    plus(n1,n1) = n2,
    inference(canonicalize,[],[normalize_0_21]) ).

cnf(refute_0_15,plain,
    ( plus(n1,n1) != n2
    | ~ holdsAt(X_274,n2)
    | holdsAt(X_274,plus(n1,n1)) ),
    introduced(tautology,[equality,[$cnf( ~ holdsAt(X_274,plus(n1,n1)) ),[1],$fot(n2)]]) ).

cnf(refute_0_16,plain,
    ( ~ holdsAt(X_274,n2)
    | holdsAt(X_274,plus(n1,n1)) ),
    inference(resolve,[$cnf( $equal(plus(n1,n1),n2) )],[refute_0_14,refute_0_15]) ).

cnf(refute_0_17,plain,
    ( ~ happens(X_273,n1)
    | ~ holdsAt(X_274,n2)
    | ~ terminates(X_273,X_274,n1) ),
    inference(resolve,[$cnf( holdsAt(X_274,plus(n1,n1)) )],[refute_0_16,refute_0_13]) ).

cnf(refute_0_18,plain,
    ( ~ happens(X_278,n1)
    | ~ holdsAt(X_279,n2)
    | ~ terminates(X_278,X_279,n1) ),
    inference(subst,[],[refute_0_17:[bind(X_273,$fot(X_278)),bind(X_274,$fot(X_279))]]) ).

cnf(refute_0_19,plain,
    ( ~ happens(X_278,n1)
    | ~ holdsAt(X_279,n2)
    | definitionFOFtoCNF_1(X_278,X_279,n1) ),
    inference(resolve,[$cnf( terminates(X_278,X_279,n1) )],[refute_0_11,refute_0_18]) ).

cnf(refute_0_20,plain,
    ( ~ happens(X_325,n1)
    | ~ holdsAt(forwards,n2)
    | definitionFOFtoCNF_1(X_325,forwards,n1) ),
    inference(subst,[],[refute_0_19:[bind(X_278,$fot(X_325)),bind(X_279,$fot(forwards))]]) ).

cnf(refute_0_21,plain,
    ( ~ happens(X_325,n1)
    | definitionFOFtoCNF_1(X_325,forwards,n1) ),
    inference(resolve,[$cnf( holdsAt(forwards,n2) )],[refute_0_9,refute_0_20]) ).

cnf(refute_0_22,plain,
    ( ~ happens(X_327,n1)
    | definitionFOFtoCNF_1(X_327,forwards,n1) ),
    inference(subst,[],[refute_0_21:[bind(X_325,$fot(X_327))]]) ).

cnf(refute_0_23,plain,
    ( definitionFOFtoCNF_1(X_327,forwards,n1)
    | definitionFOFtoCNF_4(X_327,n1) ),
    inference(resolve,[$cnf( happens(X_327,n1) )],[refute_0_8,refute_0_22]) ).

cnf(refute_0_24,plain,
    ( definitionFOFtoCNF_1(pull,forwards,n1)
    | definitionFOFtoCNF_4(pull,n1) ),
    inference(subst,[],[refute_0_23:[bind(X_327,$fot(pull))]]) ).

cnf(refute_0_25,plain,
    ( definitionFOFtoCNF_4(pull,n1)
    | happens(push,n1) ),
    inference(resolve,[$cnf( definitionFOFtoCNF_1(pull,forwards,n1) )],[refute_0_24,refute_0_6]) ).

cnf(refute_0_26,plain,
    ( Event != pull
    | Time != n1
    | ~ definitionFOFtoCNF_4(Event,Time) ),
    inference(canonicalize,[],[normalize_0_23]) ).

cnf(refute_0_27,plain,
    ( n1 != n1
    | pull != pull
    | ~ definitionFOFtoCNF_4(pull,n1) ),
    inference(subst,[],[refute_0_26:[bind(Event,$fot(pull)),bind(Time,$fot(n1))]]) ).

cnf(refute_0_28,plain,
    n1 = n1,
    introduced(tautology,[refl,[$fot(n1)]]) ).

cnf(refute_0_29,plain,
    ( pull != pull
    | ~ definitionFOFtoCNF_4(pull,n1) ),
    inference(resolve,[$cnf( $equal(n1,n1) )],[refute_0_28,refute_0_27]) ).

cnf(refute_0_30,plain,
    ~ definitionFOFtoCNF_4(pull,n1),
    inference(resolve,[$cnf( $equal(pull,pull) )],[refute_0_4,refute_0_29]) ).

cnf(refute_0_31,plain,
    happens(push,n1),
    inference(resolve,[$cnf( definitionFOFtoCNF_4(pull,n1) )],[refute_0_25,refute_0_30]) ).

cnf(refute_0_32,plain,
    ( Event != pull
    | Fluent != forwards
    | ~ definitionFOFtoCNF_1(Event,Fluent,Time)
    | ~ happens(push,Time) ),
    inference(canonicalize,[],[normalize_0_24]) ).

cnf(refute_0_33,plain,
    ( forwards != forwards
    | pull != pull
    | ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | ~ happens(push,Time) ),
    inference(subst,[],[refute_0_32:[bind(Event,$fot(pull)),bind(Fluent,$fot(forwards))]]) ).

cnf(refute_0_34,plain,
    ( pull != pull
    | ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | ~ happens(push,Time) ),
    inference(resolve,[$cnf( $equal(forwards,forwards) )],[refute_0_2,refute_0_33]) ).

cnf(refute_0_35,plain,
    ( ~ definitionFOFtoCNF_1(pull,forwards,Time)
    | ~ happens(push,Time) ),
    inference(resolve,[$cnf( $equal(pull,pull) )],[refute_0_4,refute_0_34]) ).

cnf(refute_0_36,plain,
    ( ~ definitionFOFtoCNF_1(pull,forwards,n1)
    | ~ happens(push,n1) ),
    inference(subst,[],[refute_0_35:[bind(Time,$fot(n1))]]) ).

cnf(refute_0_37,plain,
    ( ~ happens(push,n1)
    | definitionFOFtoCNF_4(pull,n1) ),
    inference(resolve,[$cnf( definitionFOFtoCNF_1(pull,forwards,n1) )],[refute_0_24,refute_0_36]) ).

cnf(refute_0_38,plain,
    ~ happens(push,n1),
    inference(resolve,[$cnf( definitionFOFtoCNF_4(pull,n1) )],[refute_0_37,refute_0_30]) ).

cnf(refute_0_39,plain,
    $false,
    inference(resolve,[$cnf( happens(push,n1) )],[refute_0_31,refute_0_38]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : CSR019+1 : TPTP v8.1.0. Bugfixed v3.1.0.
% 0.06/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n013.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat Jun 11 01:09:14 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.39/0.60  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.39/0.60  
% 0.39/0.60  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.39/0.60  
%------------------------------------------------------------------------------