TSTP Solution File: SYN549+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN549+1 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n010.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  1 03:08:28 EDT 2023

% Result   : Theorem 1.90s 1.19s
% Output   : CNFRefutation 1.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   91 (   7 unt;   0 def)
%            Number of atoms       :  377 (   0 equ)
%            Maximal formula atoms :   11 (   4 avg)
%            Number of connectives :  450 ( 164   ~; 204   |;  67   &)
%                                         (   4 <=>;   9  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   1 con; 0-1 aty)
%            Number of variables   :  165 (   0 sgn;  65   !;  42   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0] : reachable(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_of_reachable) ).

fof(f2,axiom,
    ! [X0,X1,X2] :
      ( ( reachable(X1,X2)
        & reachable(X0,X1) )
     => reachable(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitivity_of_reachable) ).

fof(f3,conjecture,
    ? [X0] :
      ( ! [X1] :
          ( reachable(X0,X1)
         => ( ? [X2] :
                ( ( ? [X3] :
                      ( q(X3)
                      & reachable(X2,X3) )
                  | p(X2) )
                & reachable(X1,X2) )
          <=> ( ? [X4] :
                  ( q(X4)
                  & reachable(X1,X4) )
              | ? [X4] :
                  ( p(X4)
                  & reachable(X1,X4) ) ) ) )
      & reachable(initial_world,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this) ).

fof(f4,negated_conjecture,
    ~ ? [X0] :
        ( ! [X1] :
            ( reachable(X0,X1)
           => ( ? [X2] :
                  ( ( ? [X3] :
                        ( q(X3)
                        & reachable(X2,X3) )
                    | p(X2) )
                  & reachable(X1,X2) )
            <=> ( ? [X4] :
                    ( q(X4)
                    & reachable(X1,X4) )
                | ? [X4] :
                    ( p(X4)
                    & reachable(X1,X4) ) ) ) )
        & reachable(initial_world,X0) ),
    inference(negated_conjecture,[],[f3]) ).

fof(f5,plain,
    ~ ? [X0] :
        ( ! [X1] :
            ( reachable(X0,X1)
           => ( ? [X2] :
                  ( ( ? [X3] :
                        ( q(X3)
                        & reachable(X2,X3) )
                    | p(X2) )
                  & reachable(X1,X2) )
            <=> ( ? [X4] :
                    ( q(X4)
                    & reachable(X1,X4) )
                | ? [X5] :
                    ( p(X5)
                    & reachable(X1,X5) ) ) ) )
        & reachable(initial_world,X0) ),
    inference(rectify,[],[f4]) ).

fof(f6,plain,
    ! [X0,X1,X2] :
      ( reachable(X0,X2)
      | ~ reachable(X1,X2)
      | ~ reachable(X0,X1) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f7,plain,
    ! [X0,X1,X2] :
      ( reachable(X0,X2)
      | ~ reachable(X1,X2)
      | ~ reachable(X0,X1) ),
    inference(flattening,[],[f6]) ).

fof(f8,plain,
    ! [X0] :
      ( ? [X1] :
          ( ( ? [X2] :
                ( ( ? [X3] :
                      ( q(X3)
                      & reachable(X2,X3) )
                  | p(X2) )
                & reachable(X1,X2) )
          <~> ( ? [X4] :
                  ( q(X4)
                  & reachable(X1,X4) )
              | ? [X5] :
                  ( p(X5)
                  & reachable(X1,X5) ) ) )
          & reachable(X0,X1) )
      | ~ reachable(initial_world,X0) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f9,plain,
    ! [X1] :
      ( sP0(X1)
    <=> ( ? [X4] :
            ( q(X4)
            & reachable(X1,X4) )
        | ? [X5] :
            ( p(X5)
            & reachable(X1,X5) ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f10,plain,
    ! [X1] :
      ( ( ? [X2] :
            ( ( ? [X3] :
                  ( q(X3)
                  & reachable(X2,X3) )
              | p(X2) )
            & reachable(X1,X2) )
      <~> sP0(X1) )
      | ~ sP1(X1) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f11,plain,
    ! [X0] :
      ( ? [X1] :
          ( sP1(X1)
          & reachable(X0,X1) )
      | ~ reachable(initial_world,X0) ),
    inference(definition_folding,[],[f8,f10,f9]) ).

fof(f12,plain,
    ! [X1] :
      ( ( ( ~ sP0(X1)
          | ! [X2] :
              ( ( ! [X3] :
                    ( ~ q(X3)
                    | ~ reachable(X2,X3) )
                & ~ p(X2) )
              | ~ reachable(X1,X2) ) )
        & ( sP0(X1)
          | ? [X2] :
              ( ( ? [X3] :
                    ( q(X3)
                    & reachable(X2,X3) )
                | p(X2) )
              & reachable(X1,X2) ) ) )
      | ~ sP1(X1) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f13,plain,
    ! [X0] :
      ( ( ( ~ sP0(X0)
          | ! [X1] :
              ( ( ! [X2] :
                    ( ~ q(X2)
                    | ~ reachable(X1,X2) )
                & ~ p(X1) )
              | ~ reachable(X0,X1) ) )
        & ( sP0(X0)
          | ? [X3] :
              ( ( ? [X4] :
                    ( q(X4)
                    & reachable(X3,X4) )
                | p(X3) )
              & reachable(X0,X3) ) ) )
      | ~ sP1(X0) ),
    inference(rectify,[],[f12]) ).

fof(f14,plain,
    ! [X0] :
      ( ? [X3] :
          ( ( ? [X4] :
                ( q(X4)
                & reachable(X3,X4) )
            | p(X3) )
          & reachable(X0,X3) )
     => ( ( ? [X4] :
              ( q(X4)
              & reachable(sK2(X0),X4) )
          | p(sK2(X0)) )
        & reachable(X0,sK2(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f15,plain,
    ! [X0] :
      ( ? [X4] :
          ( q(X4)
          & reachable(sK2(X0),X4) )
     => ( q(sK3(X0))
        & reachable(sK2(X0),sK3(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0] :
      ( ( ( ~ sP0(X0)
          | ! [X1] :
              ( ( ! [X2] :
                    ( ~ q(X2)
                    | ~ reachable(X1,X2) )
                & ~ p(X1) )
              | ~ reachable(X0,X1) ) )
        & ( sP0(X0)
          | ( ( ( q(sK3(X0))
                & reachable(sK2(X0),sK3(X0)) )
              | p(sK2(X0)) )
            & reachable(X0,sK2(X0)) ) ) )
      | ~ sP1(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f13,f15,f14]) ).

fof(f17,plain,
    ! [X1] :
      ( ( sP0(X1)
        | ( ! [X4] :
              ( ~ q(X4)
              | ~ reachable(X1,X4) )
          & ! [X5] :
              ( ~ p(X5)
              | ~ reachable(X1,X5) ) ) )
      & ( ? [X4] :
            ( q(X4)
            & reachable(X1,X4) )
        | ? [X5] :
            ( p(X5)
            & reachable(X1,X5) )
        | ~ sP0(X1) ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f18,plain,
    ! [X1] :
      ( ( sP0(X1)
        | ( ! [X4] :
              ( ~ q(X4)
              | ~ reachable(X1,X4) )
          & ! [X5] :
              ( ~ p(X5)
              | ~ reachable(X1,X5) ) ) )
      & ( ? [X4] :
            ( q(X4)
            & reachable(X1,X4) )
        | ? [X5] :
            ( p(X5)
            & reachable(X1,X5) )
        | ~ sP0(X1) ) ),
    inference(flattening,[],[f17]) ).

fof(f19,plain,
    ! [X0] :
      ( ( sP0(X0)
        | ( ! [X1] :
              ( ~ q(X1)
              | ~ reachable(X0,X1) )
          & ! [X2] :
              ( ~ p(X2)
              | ~ reachable(X0,X2) ) ) )
      & ( ? [X3] :
            ( q(X3)
            & reachable(X0,X3) )
        | ? [X4] :
            ( p(X4)
            & reachable(X0,X4) )
        | ~ sP0(X0) ) ),
    inference(rectify,[],[f18]) ).

fof(f20,plain,
    ! [X0] :
      ( ? [X3] :
          ( q(X3)
          & reachable(X0,X3) )
     => ( q(sK4(X0))
        & reachable(X0,sK4(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f21,plain,
    ! [X0] :
      ( ? [X4] :
          ( p(X4)
          & reachable(X0,X4) )
     => ( p(sK5(X0))
        & reachable(X0,sK5(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0] :
      ( ( sP0(X0)
        | ( ! [X1] :
              ( ~ q(X1)
              | ~ reachable(X0,X1) )
          & ! [X2] :
              ( ~ p(X2)
              | ~ reachable(X0,X2) ) ) )
      & ( ( q(sK4(X0))
          & reachable(X0,sK4(X0)) )
        | ( p(sK5(X0))
          & reachable(X0,sK5(X0)) )
        | ~ sP0(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5])],[f19,f21,f20]) ).

fof(f23,plain,
    ! [X0] :
      ( ? [X1] :
          ( sP1(X1)
          & reachable(X0,X1) )
     => ( sP1(sK6(X0))
        & reachable(X0,sK6(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ! [X0] :
      ( ( sP1(sK6(X0))
        & reachable(X0,sK6(X0)) )
      | ~ reachable(initial_world,X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f11,f23]) ).

fof(f25,plain,
    ! [X0] : reachable(X0,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f26,plain,
    ! [X2,X0,X1] :
      ( reachable(X0,X2)
      | ~ reachable(X1,X2)
      | ~ reachable(X0,X1) ),
    inference(cnf_transformation,[],[f7]) ).

fof(f27,plain,
    ! [X0] :
      ( sP0(X0)
      | reachable(X0,sK2(X0))
      | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f28,plain,
    ! [X0] :
      ( sP0(X0)
      | reachable(sK2(X0),sK3(X0))
      | p(sK2(X0))
      | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f29,plain,
    ! [X0] :
      ( sP0(X0)
      | q(sK3(X0))
      | p(sK2(X0))
      | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( ~ sP0(X0)
      | ~ p(X1)
      | ~ reachable(X0,X1)
      | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f31,plain,
    ! [X2,X0,X1] :
      ( ~ sP0(X0)
      | ~ q(X2)
      | ~ reachable(X1,X2)
      | ~ reachable(X0,X1)
      | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f32,plain,
    ! [X0] :
      ( reachable(X0,sK4(X0))
      | reachable(X0,sK5(X0))
      | ~ sP0(X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f33,plain,
    ! [X0] :
      ( reachable(X0,sK4(X0))
      | p(sK5(X0))
      | ~ sP0(X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f34,plain,
    ! [X0] :
      ( q(sK4(X0))
      | reachable(X0,sK5(X0))
      | ~ sP0(X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f35,plain,
    ! [X0] :
      ( q(sK4(X0))
      | p(sK5(X0))
      | ~ sP0(X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f36,plain,
    ! [X2,X0] :
      ( sP0(X0)
      | ~ p(X2)
      | ~ reachable(X0,X2) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( sP0(X0)
      | ~ q(X1)
      | ~ reachable(X0,X1) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f39,plain,
    ! [X0] :
      ( sP1(sK6(X0))
      | ~ reachable(initial_world,X0) ),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_49,plain,
    reachable(X0,X0),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_50,plain,
    ( ~ reachable(X0,X1)
    | ~ reachable(X1,X2)
    | reachable(X0,X2) ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_51,plain,
    ( ~ reachable(X0,X1)
    | ~ reachable(X1,X2)
    | ~ sP0(X0)
    | ~ q(X2)
    | ~ sP1(X0) ),
    inference(cnf_transformation,[],[f31]) ).

cnf(c_52,plain,
    ( ~ reachable(X0,X1)
    | ~ sP0(X0)
    | ~ sP1(X0)
    | ~ p(X1) ),
    inference(cnf_transformation,[],[f30]) ).

cnf(c_53,plain,
    ( ~ sP1(X0)
    | q(sK3(X0))
    | p(sK2(X0))
    | sP0(X0) ),
    inference(cnf_transformation,[],[f29]) ).

cnf(c_54,plain,
    ( ~ sP1(X0)
    | reachable(sK2(X0),sK3(X0))
    | p(sK2(X0))
    | sP0(X0) ),
    inference(cnf_transformation,[],[f28]) ).

cnf(c_55,plain,
    ( ~ sP1(X0)
    | reachable(X0,sK2(X0))
    | sP0(X0) ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_56,plain,
    ( ~ reachable(X0,X1)
    | ~ q(X1)
    | sP0(X0) ),
    inference(cnf_transformation,[],[f37]) ).

cnf(c_57,plain,
    ( ~ reachable(X0,X1)
    | ~ p(X1)
    | sP0(X0) ),
    inference(cnf_transformation,[],[f36]) ).

cnf(c_58,plain,
    ( ~ sP0(X0)
    | q(sK4(X0))
    | p(sK5(X0)) ),
    inference(cnf_transformation,[],[f35]) ).

cnf(c_59,plain,
    ( ~ sP0(X0)
    | reachable(X0,sK5(X0))
    | q(sK4(X0)) ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_60,plain,
    ( ~ sP0(X0)
    | reachable(X0,sK4(X0))
    | p(sK5(X0)) ),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_61,plain,
    ( ~ sP0(X0)
    | reachable(X0,sK4(X0))
    | reachable(X0,sK5(X0)) ),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_62,negated_conjecture,
    ( ~ reachable(initial_world,X0)
    | sP1(sK6(X0)) ),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_64,plain,
    reachable(initial_world,initial_world),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_78,plain,
    ( ~ reachable(X0,X1)
    | ~ sP1(X0)
    | ~ p(X1) ),
    inference(global_subsumption_just,[status(thm)],[c_52,c_57,c_52]) ).

cnf(c_171,plain,
    ( ~ reachable(sK6(X0),X1)
    | ~ reachable(initial_world,X0)
    | ~ p(X1) ),
    inference(resolution,[status(thm)],[c_78,c_62]) ).

cnf(c_182,plain,
    ( ~ reachable(initial_world,X0)
    | reachable(sK6(X0),sK2(sK6(X0)))
    | sP0(sK6(X0)) ),
    inference(resolution,[status(thm)],[c_55,c_62]) ).

cnf(c_183,plain,
    ( ~ reachable(initial_world,initial_world)
    | reachable(sK6(initial_world),sK2(sK6(initial_world)))
    | sP0(sK6(initial_world)) ),
    inference(instantiation,[status(thm)],[c_182]) ).

cnf(c_193,plain,
    ( ~ reachable(initial_world,X0)
    | reachable(sK2(sK6(X0)),sK3(sK6(X0)))
    | p(sK2(sK6(X0)))
    | sP0(sK6(X0)) ),
    inference(resolution,[status(thm)],[c_54,c_62]) ).

cnf(c_194,plain,
    ( ~ reachable(initial_world,initial_world)
    | reachable(sK2(sK6(initial_world)),sK3(sK6(initial_world)))
    | p(sK2(sK6(initial_world)))
    | sP0(sK6(initial_world)) ),
    inference(instantiation,[status(thm)],[c_193]) ).

cnf(c_207,plain,
    ( ~ reachable(initial_world,X0)
    | q(sK3(sK6(X0)))
    | p(sK2(sK6(X0)))
    | sP0(sK6(X0)) ),
    inference(resolution,[status(thm)],[c_53,c_62]) ).

cnf(c_208,plain,
    ( ~ reachable(initial_world,initial_world)
    | q(sK3(sK6(initial_world)))
    | p(sK2(sK6(initial_world)))
    | sP0(sK6(initial_world)) ),
    inference(instantiation,[status(thm)],[c_207]) ).

cnf(c_221,plain,
    ( ~ reachable(sK6(X0),X1)
    | ~ reachable(X1,X2)
    | ~ reachable(initial_world,X0)
    | ~ sP0(sK6(X0))
    | ~ q(X2) ),
    inference(resolution,[status(thm)],[c_51,c_62]) ).

cnf(c_873,plain,
    ( ~ reachable(initial_world,X0)
    | reachable(sK6(X0),sK2(sK6(X0)))
    | reachable(sK6(X0),sK5(sK6(X0)))
    | q(sK4(sK6(X0))) ),
    inference(resolution,[status(thm)],[c_59,c_182]) ).

cnf(c_874,plain,
    ( ~ reachable(initial_world,initial_world)
    | reachable(sK6(initial_world),sK2(sK6(initial_world)))
    | reachable(sK6(initial_world),sK5(sK6(initial_world)))
    | q(sK4(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_873]) ).

cnf(c_921,plain,
    ( ~ reachable(initial_world,X0)
    | reachable(sK6(X0),sK2(sK6(X0)))
    | q(sK4(sK6(X0)))
    | p(sK5(sK6(X0))) ),
    inference(resolution,[status(thm)],[c_58,c_182]) ).

cnf(c_922,plain,
    ( ~ reachable(initial_world,initial_world)
    | reachable(sK6(initial_world),sK2(sK6(initial_world)))
    | q(sK4(sK6(initial_world)))
    | p(sK5(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_921]) ).

cnf(c_1887,plain,
    ( ~ sP0(sK6(X0))
    | reachable(sK6(X0),sK5(sK6(X0)))
    | q(sK4(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_59]) ).

cnf(c_1888,plain,
    ( ~ sP0(sK6(initial_world))
    | reachable(sK6(initial_world),sK5(sK6(initial_world)))
    | q(sK4(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_1887]) ).

cnf(c_1889,plain,
    ( ~ sP0(sK6(X0))
    | reachable(sK6(X0),sK4(sK6(X0)))
    | p(sK5(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_60]) ).

cnf(c_1890,plain,
    ( ~ sP0(sK6(initial_world))
    | reachable(sK6(initial_world),sK4(sK6(initial_world)))
    | p(sK5(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_1889]) ).

cnf(c_1891,plain,
    ( ~ sP0(sK6(X0))
    | reachable(sK6(X0),sK4(sK6(X0)))
    | reachable(sK6(X0),sK5(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_61]) ).

cnf(c_1892,plain,
    ( ~ sP0(sK6(initial_world))
    | reachable(sK6(initial_world),sK4(sK6(initial_world)))
    | reachable(sK6(initial_world),sK5(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_1891]) ).

cnf(c_1893,plain,
    ( ~ sP0(sK6(X0))
    | q(sK4(sK6(X0)))
    | p(sK5(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_58]) ).

cnf(c_1894,plain,
    ( ~ sP0(sK6(initial_world))
    | q(sK4(sK6(initial_world)))
    | p(sK5(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_1893]) ).

cnf(c_1895,plain,
    ( ~ reachable(X0,sK3(sK6(X1)))
    | ~ q(sK3(sK6(X1)))
    | sP0(X0) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_1900,plain,
    ( ~ reachable(sK6(X0),sK2(sK6(X1)))
    | ~ p(sK2(sK6(X1)))
    | ~ reachable(initial_world,X0) ),
    inference(instantiation,[status(thm)],[c_171]) ).

cnf(c_1901,plain,
    ( ~ reachable(sK6(initial_world),sK2(sK6(initial_world)))
    | ~ p(sK2(sK6(initial_world)))
    | ~ reachable(initial_world,initial_world) ),
    inference(instantiation,[status(thm)],[c_1900]) ).

cnf(c_1907,plain,
    ( ~ reachable(X0,sK3(sK6(X1)))
    | ~ reachable(X2,X0)
    | reachable(X2,sK3(sK6(X1))) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_1920,plain,
    ( ~ reachable(sK6(X0),sK5(sK6(X1)))
    | ~ p(sK5(sK6(X1)))
    | ~ reachable(initial_world,X0) ),
    inference(instantiation,[status(thm)],[c_171]) ).

cnf(c_1921,plain,
    ( ~ reachable(sK6(initial_world),sK5(sK6(initial_world)))
    | ~ p(sK5(sK6(initial_world)))
    | ~ reachable(initial_world,initial_world) ),
    inference(instantiation,[status(thm)],[c_1920]) ).

cnf(c_1925,plain,
    ( ~ reachable(X0,sK4(sK6(X1)))
    | ~ reachable(sK6(X2),X0)
    | ~ q(sK4(sK6(X1)))
    | ~ reachable(initial_world,X2)
    | ~ sP0(sK6(X2)) ),
    inference(instantiation,[status(thm)],[c_221]) ).

cnf(c_1939,plain,
    ( ~ reachable(sK6(X0),sK4(sK6(X1)))
    | ~ reachable(sK6(X0),sK6(X0))
    | ~ q(sK4(sK6(X1)))
    | ~ reachable(initial_world,X0)
    | ~ sP0(sK6(X0)) ),
    inference(instantiation,[status(thm)],[c_1925]) ).

cnf(c_1940,plain,
    reachable(sK6(X0),sK6(X0)),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_1941,plain,
    ( ~ reachable(sK6(initial_world),sK4(sK6(initial_world)))
    | ~ reachable(sK6(initial_world),sK6(initial_world))
    | ~ q(sK4(sK6(initial_world)))
    | ~ reachable(initial_world,initial_world)
    | ~ sP0(sK6(initial_world)) ),
    inference(instantiation,[status(thm)],[c_1939]) ).

cnf(c_1942,plain,
    reachable(sK6(initial_world),sK6(initial_world)),
    inference(instantiation,[status(thm)],[c_1940]) ).

cnf(c_1977,plain,
    ( ~ reachable(sK2(sK6(X0)),sK3(sK6(X0)))
    | ~ reachable(X1,sK2(sK6(X0)))
    | reachable(X1,sK3(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_1907]) ).

cnf(c_2050,plain,
    ( ~ reachable(sK2(sK6(X0)),sK3(sK6(X0)))
    | ~ reachable(sK6(X1),sK2(sK6(X0)))
    | reachable(sK6(X1),sK3(sK6(X0))) ),
    inference(instantiation,[status(thm)],[c_1977]) ).

cnf(c_2052,plain,
    ( ~ reachable(sK2(sK6(initial_world)),sK3(sK6(initial_world)))
    | ~ reachable(sK6(initial_world),sK2(sK6(initial_world)))
    | reachable(sK6(initial_world),sK3(sK6(initial_world))) ),
    inference(instantiation,[status(thm)],[c_2050]) ).

cnf(c_2055,plain,
    ( ~ reachable(sK6(X0),sK3(sK6(X1)))
    | ~ q(sK3(sK6(X1)))
    | sP0(sK6(X0)) ),
    inference(instantiation,[status(thm)],[c_1895]) ).

cnf(c_2056,plain,
    ( ~ reachable(sK6(initial_world),sK3(sK6(initial_world)))
    | ~ q(sK3(sK6(initial_world)))
    | sP0(sK6(initial_world)) ),
    inference(instantiation,[status(thm)],[c_2055]) ).

cnf(c_2251,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_2056,c_2052,c_1942,c_1941,c_1921,c_1901,c_1894,c_1892,c_1890,c_1888,c_922,c_874,c_208,c_194,c_183,c_64]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN549+1 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n010.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 18:29:20 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.90/1.19  % SZS status Started for theBenchmark.p
% 1.90/1.19  % SZS status Theorem for theBenchmark.p
% 1.90/1.19  
% 1.90/1.19  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.90/1.19  
% 1.90/1.19  ------  iProver source info
% 1.90/1.19  
% 1.90/1.19  git: date: 2023-05-31 18:12:56 +0000
% 1.90/1.19  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.90/1.19  git: non_committed_changes: false
% 1.90/1.19  git: last_make_outside_of_git: false
% 1.90/1.19  
% 1.90/1.19  ------ Parsing...
% 1.90/1.19  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.90/1.19  
% 1.90/1.19  ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe:1:0s pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.90/1.19  
% 1.90/1.19  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.90/1.19  ------ Proving...
% 1.90/1.19  ------ Problem Properties 
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  clauses                                 14
% 1.90/1.19  conjectures                             1
% 1.90/1.19  EPR                                     4
% 1.90/1.19  Horn                                    7
% 1.90/1.19  unary                                   1
% 1.90/1.19  binary                                  1
% 1.90/1.19  lits                                    43
% 1.90/1.19  lits eq                                 0
% 1.90/1.19  fd_pure                                 0
% 1.90/1.19  fd_pseudo                               0
% 1.90/1.19  fd_cond                                 0
% 1.90/1.19  fd_pseudo_cond                          0
% 1.90/1.19  AC symbols                              0
% 1.90/1.19  
% 1.90/1.19  ------ Schedule dynamic 5 is on 
% 1.90/1.19  
% 1.90/1.19  ------ no equalities: superposition off 
% 1.90/1.19  
% 1.90/1.19  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  ------ 
% 1.90/1.19  Current options:
% 1.90/1.19  ------ 
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  ------ Proving...
% 1.90/1.19  
% 1.90/1.19  
% 1.90/1.19  % SZS status Theorem for theBenchmark.p
% 1.90/1.19  
% 1.90/1.19  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.90/1.20  
% 1.95/1.20  
%------------------------------------------------------------------------------