TSTP Solution File: MSC011+1 by ePrincess---1.0

View Problem - Process Solution

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% File     : ePrincess---1.0
% Problem  : MSC011+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n018.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 : Sun Jul 17 22:40:02 EDT 2022

% Result   : Theorem 1.73s 1.08s
% Output   : Proof 2.41s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : MSC011+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.34  % Computer : n018.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  : 600
% 0.13/0.34  % DateTime : Fri Jul  1 15:50:02 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.59          ____       _                          
% 0.19/0.59    ___  / __ \_____(_)___  ________  __________
% 0.19/0.59   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.19/0.59  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.19/0.59  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.19/0.59  
% 0.19/0.59  A Theorem Prover for First-Order Logic
% 0.19/0.59  (ePrincess v.1.0)
% 0.19/0.59  
% 0.19/0.59  (c) Philipp Rümmer, 2009-2015
% 0.19/0.59  (c) Peter Backeman, 2014-2015
% 0.19/0.59  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.19/0.59  Free software under GNU Lesser General Public License (LGPL).
% 0.19/0.59  Bug reports to peter@backeman.se
% 0.19/0.59  
% 0.19/0.59  For more information, visit http://user.uu.se/~petba168/breu/
% 0.19/0.59  
% 0.19/0.59  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.73/0.64  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.16/0.86  Prover 0: Preprocessing ...
% 1.34/0.91  Prover 0: Warning: ignoring some quantifiers
% 1.42/0.92  Prover 0: Constructing countermodel ...
% 1.45/1.00  Prover 0: gave up
% 1.45/1.00  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 1.73/1.02  Prover 1: Preprocessing ...
% 1.73/1.06  Prover 1: Constructing countermodel ...
% 1.73/1.08  Prover 1: proved (79ms)
% 1.73/1.08  
% 1.73/1.08  No countermodel exists, formula is valid
% 1.73/1.08  % SZS status Theorem for theBenchmark
% 1.73/1.08  
% 1.73/1.08  Generating proof ... found it (size 8)
% 2.34/1.20  
% 2.34/1.20  % SZS output start Proof for theBenchmark
% 2.34/1.20  Assumed formulas after preprocessing and simplification: 
% 2.34/1.20  | (0)  ? [v0] : (not_drunk(v0) = 0 & neg_psi &  ~ goal &  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (not_drunk(v3) = v2) |  ~ (not_drunk(v3) = v1)) &  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (drunk(v3) = v2) |  ~ (drunk(v3) = v1)) &  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (drunk(v1) = v2)) &  ! [v1] : ( ~ (not_drunk(v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & drunk(v1) = v2)))
% 2.41/1.24  | Instantiating (0) with all_0_0_0 yields:
% 2.41/1.24  | (1) not_drunk(all_0_0_0) = 0 & neg_psi &  ~ goal &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (not_drunk(v2) = v1) |  ~ (not_drunk(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (drunk(v2) = v1) |  ~ (drunk(v2) = v0)) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (drunk(v0) = v1)) &  ! [v0] : ( ~ (not_drunk(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & drunk(v0) = v1))
% 2.41/1.24  |
% 2.41/1.24  | Applying alpha-rule on (1) yields:
% 2.41/1.24  | (2)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (drunk(v0) = v1))
% 2.41/1.24  | (3) not_drunk(all_0_0_0) = 0
% 2.41/1.24  | (4)  ~ goal
% 2.41/1.24  | (5)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (not_drunk(v2) = v1) |  ~ (not_drunk(v2) = v0))
% 2.41/1.24  | (6)  ! [v0] : ( ~ (not_drunk(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & drunk(v0) = v1))
% 2.41/1.25  | (7)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (drunk(v2) = v1) |  ~ (drunk(v2) = v0))
% 2.41/1.25  | (8) neg_psi
% 2.41/1.25  |
% 2.41/1.25  | Instantiating formula (6) with all_0_0_0 and discharging atoms not_drunk(all_0_0_0) = 0, yields:
% 2.41/1.25  | (9)  ? [v0] : ( ~ (v0 = 0) & drunk(all_0_0_0) = v0)
% 2.41/1.25  |
% 2.41/1.25  | Instantiating (9) with all_8_0_1 yields:
% 2.41/1.25  | (10)  ~ (all_8_0_1 = 0) & drunk(all_0_0_0) = all_8_0_1
% 2.41/1.25  |
% 2.41/1.25  | Applying alpha-rule on (10) yields:
% 2.41/1.25  | (11)  ~ (all_8_0_1 = 0)
% 2.41/1.25  | (12) drunk(all_0_0_0) = all_8_0_1
% 2.41/1.25  |
% 2.41/1.25  | Instantiating formula (2) with all_8_0_1, all_0_0_0 and discharging atoms drunk(all_0_0_0) = all_8_0_1, yields:
% 2.41/1.25  | (13) all_8_0_1 = 0
% 2.41/1.25  |
% 2.41/1.25  | Equations (13) can reduce 11 to:
% 2.41/1.25  | (14) $false
% 2.41/1.25  |
% 2.41/1.25  |-The branch is then unsatisfiable
% 2.41/1.25  % SZS output end Proof for theBenchmark
% 2.41/1.25  
% 2.41/1.25  651ms
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