%------------------------------------------------------------------------------
% File : DT2H2X---1.9.5
% Problem : LCL619^1 : TPTP v9.3.1. Released v3.6.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n028.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Mon Sep 7 11:34:25 AM UTC 2026
% Result : CounterSatisfiable 0.12s 0.44s
% Output : Saturation 0.12s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : LCL619^1 : TPTP v9.3.1. Released v3.6.0.
% 0.00/0.04 % Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.09/0.35 % Computer : n028.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Fri Sep 4 15:55:43 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.12/0.38 ---- Original DTF file ---
% 0.12/0.38 thf(spec,logic,$$dhol).
% 0.12/0.38 %------------------------------------------------------------------------------
% 0.12/0.38 % File : LCL619^1 : TPTP v9.3.1. Released v3.6.0.
% 0.12/0.38 % Domain : Logical Calculi
% 0.12/0.38 % Problem : A simple theorem of K4
% 0.12/0.38 % Version : [Ben08] axioms.
% 0.12/0.38 % English :
% 0.12/0.38
% 0.12/0.38 % Refs : [Fit07] Fitting (2007), Modal Proof Theory
% 0.12/0.38 % : [Ben08] Benzmueller (2008), Email to G. Sutcliffe
% 0.12/0.38 % Source : [Ben08]
% 0.12/0.38 % Names : Fitting-HB-8 [Ben08]
% 0.12/0.38
% 0.12/0.38 % Status : Theorem
% 0.12/0.38 % Rating : 0.17 v9.3.0, 0.11 v9.1.0, 0.12 v9.0.0, 0.10 v8.2.0, 0.23 v8.1.0, 0.18 v7.5.0, 0.14 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.25 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v5.3.0, 0.40 v5.1.0, 0.60 v5.0.0, 0.20 v4.1.0, 0.33 v3.7.0
% 0.12/0.38 % Syntax : Number of formulae : 37 ( 15 unt; 20 typ; 15 def)
% 0.12/0.38 % Number of atoms : 50 ( 15 equ; 0 cnn)
% 0.12/0.38 % Maximal formula atoms : 8 ( 2 avg)
% 0.12/0.38 % Number of connectives : 59 ( 3 ~; 1 |; 2 &; 52 @)
% 0.12/0.38 % ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% 0.12/0.38 % Maximal formula depth : 10 ( 2 avg)
% 0.12/0.38 % Number of types : 3 ( 1 usr)
% 0.12/0.38 % Number of type conns : 86 ( 86 >; 0 *; 0 +; 0 <<)
% 0.12/0.38 % Number of symbols : 22 ( 19 usr; 3 con; 0-3 aty)
% 0.12/0.38 % Number of variables : 41 ( 28 ^; 9 !; 4 ?; 41 :)
% 0.12/0.38 % SPC : TH0_THM_EQU_NAR_NDT
% 0.12/0.38
% 0.12/0.38 % Comments :
% 0.12/0.38 %------------------------------------------------------------------------------
% 0.12/0.38 %----Include simple maths definitions and axioms
% 0.12/0.38 include('Axioms/LCL008^0.ax').
% 0.12/0.38 %------------------------------------------------------------------------------
% 0.12/0.38 %----Axioms
% 0.12/0.38 thf(k4,axiom,
% 0.12/0.38 ! [R: $i > $i > $o,X: $i > $o] : ( mvalid @ ( mimpl @ ( mbox @ R @ X ) @ ( mbox @ R @ ( mbox @ R @ X ) ) ) ) ).
% 0.12/0.38
% 0.12/0.38 %----Conjecture
% 0.12/0.38 thf(thm,conjecture,
% 0.12/0.38 ! [R: $i > $i > $o,X: $i > $o,Y: $i > $o] : ( mvalid @ ( mimpl @ ( mbox @ R @ ( mimpl @ X @ Y ) ) @ ( mimpl @ ( mbox @ R @ X ) @ ( mbox @ R @ ( mbox @ R @ Y ) ) ) ) ) ).
% 0.12/0.38
% 0.12/0.38 %------------------------------------------------------------------------------
% 0.12/0.38 ------------------------
% 0.12/0.40 /starexec/sw/sutcliffe/jdk-11.0.2/bin/java: Command not found.
% 0.12/0.40 ---- Embedded in THF ---
% 0.12/0.40 ------------------------
% 0.12/0.41 ---- Cleaned THF ---
% 0.12/0.42 ------------------------
% 0.12/0.44 % (955619)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_955600 for (3000ds/2Mi)
% 0.12/0.44 % (955619)First to succeed.
% 0.12/0.44 % SZS status Satisfiable for DTF2THF_955600
% 0.12/0.44 % (955619)# SZS output start Saturation.
% 0.12/0.44 % (955619)# SZS output end Saturation.
% 0.12/0.44 % (955619)------------------------------
% 0.12/0.44 % (955619)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 0.12/0.44 % (955619)Termination reason: Satisfiable
% 0.12/0.44
% 0.12/0.44 % (955619)Memory used [KB]: 5373
% 0.12/0.44 % (955619)Time elapsed: 0.001 s
% 0.12/0.44 % (955619)------------------------------
% 0.12/0.44 % (955619)------------------------------
% 0.12/0.44 % (955615)Success in time 0.01 s
%------------------------------------------------------------------------------