TSTP Solution File: SYN411+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SYN411+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n011.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 : Thu Jul 21 05:02:13 EDT 2022

% Result   : Theorem 1.74s 1.02s
% Output   : Proof 2.03s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SYN411+1 : TPTP v8.1.0. Released v2.0.0.
% 0.06/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.32  % Computer : n011.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Mon Jul 11 22:18:27 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.19/0.57          ____       _                          
% 0.19/0.57    ___  / __ \_____(_)___  ________  __________
% 0.19/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.19/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.19/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.19/0.57  
% 0.19/0.57  A Theorem Prover for First-Order Logic
% 0.19/0.57  (ePrincess v.1.0)
% 0.19/0.57  
% 0.19/0.57  (c) Philipp Rümmer, 2009-2015
% 0.19/0.57  (c) Peter Backeman, 2014-2015
% 0.19/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.19/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.19/0.57  Bug reports to peter@backeman.se
% 0.19/0.57  
% 0.19/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.19/0.58  
% 0.19/0.58  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.67/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.13/0.82  Prover 0: Preprocessing ...
% 1.13/0.86  Prover 0: Warning: ignoring some quantifiers
% 1.32/0.87  Prover 0: Constructing countermodel ...
% 1.45/0.96  Prover 0: gave up
% 1.45/0.96  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 1.45/0.97  Prover 1: Preprocessing ...
% 1.74/1.00  Prover 1: Constructing countermodel ...
% 1.74/1.02  Prover 1: proved (67ms)
% 1.74/1.02  
% 1.74/1.02  No countermodel exists, formula is valid
% 1.74/1.02  % SZS status Theorem for theBenchmark
% 1.74/1.02  
% 1.74/1.02  Generating proof ... found it (size 5)
% 2.03/1.08  
% 2.03/1.08  % SZS output start Proof for theBenchmark
% 2.03/1.08  Assumed formulas after preprocessing and simplification: 
% 2.03/1.08  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] : ( ~ (v3 = 0) & f(v0, v1, v2) = v3 &  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] :  ! [v8] : (v5 = v4 |  ~ (f(v8, v7, v6) = v5) |  ~ (f(v8, v7, v6) = v4)) &  ! [v4] :  ! [v5] :  ! [v6] :  ! [v7] : (v7 = 0 |  ~ (f(v4, v5, v6) = v7)))
% 2.03/1.11  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3 yields:
% 2.03/1.11  | (1)  ~ (all_0_0_0 = 0) & f(all_0_3_3, all_0_2_2, all_0_1_1) = all_0_0_0 &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (f(v4, v3, v2) = v1) |  ~ (f(v4, v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (f(v0, v1, v2) = v3))
% 2.03/1.12  |
% 2.03/1.12  | Applying alpha-rule on (1) yields:
% 2.03/1.12  | (2)  ~ (all_0_0_0 = 0)
% 2.03/1.12  | (3) f(all_0_3_3, all_0_2_2, all_0_1_1) = all_0_0_0
% 2.03/1.12  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (f(v4, v3, v2) = v1) |  ~ (f(v4, v3, v2) = v0))
% 2.03/1.12  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (f(v0, v1, v2) = v3))
% 2.03/1.12  |
% 2.03/1.12  | Instantiating formula (5) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3 and discharging atoms f(all_0_3_3, all_0_2_2, all_0_1_1) = all_0_0_0, yields:
% 2.03/1.12  | (6) all_0_0_0 = 0
% 2.03/1.12  |
% 2.03/1.12  | Equations (6) can reduce 2 to:
% 2.03/1.12  | (7) $false
% 2.03/1.12  |
% 2.03/1.12  |-The branch is then unsatisfiable
% 2.03/1.12  % SZS output end Proof for theBenchmark
% 2.03/1.12  
% 2.03/1.12  537ms
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