TSTP Solution File: SYN958+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SYN958+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n023.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 05:06:06 EDT 2022

% Result   : Theorem 2.06s 1.12s
% Output   : Proof 2.46s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : SYN958+1 : TPTP v8.1.0. Released v3.1.0.
% 0.02/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.32  % Computer : n023.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 17:47:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.53/0.56          ____       _                          
% 0.53/0.56    ___  / __ \_____(_)___  ________  __________
% 0.53/0.56   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.53/0.56  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.53/0.56  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.53/0.56  
% 0.53/0.56  A Theorem Prover for First-Order Logic
% 0.53/0.56  (ePrincess v.1.0)
% 0.53/0.56  
% 0.53/0.56  (c) Philipp Rümmer, 2009-2015
% 0.53/0.56  (c) Peter Backeman, 2014-2015
% 0.53/0.56  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.53/0.56  Free software under GNU Lesser General Public License (LGPL).
% 0.53/0.56  Bug reports to peter@backeman.se
% 0.53/0.56  
% 0.53/0.56  For more information, visit http://user.uu.se/~petba168/breu/
% 0.53/0.56  
% 0.53/0.57  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.59/0.61  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.12/0.81  Prover 0: Preprocessing ...
% 1.27/0.85  Prover 0: Warning: ignoring some quantifiers
% 1.27/0.86  Prover 0: Constructing countermodel ...
% 1.45/0.94  Prover 0: gave up
% 1.45/0.94  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 1.58/0.96  Prover 1: Preprocessing ...
% 1.58/1.02  Prover 1: Constructing countermodel ...
% 1.86/1.04  Prover 1: gave up
% 1.86/1.04  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.86/1.05  Prover 2: Preprocessing ...
% 1.86/1.08  Prover 2: Warning: ignoring some quantifiers
% 1.86/1.08  Prover 2: Constructing countermodel ...
% 2.06/1.12  Prover 2: proved (78ms)
% 2.06/1.12  
% 2.06/1.12  No countermodel exists, formula is valid
% 2.06/1.12  % SZS status Theorem for theBenchmark
% 2.06/1.12  
% 2.06/1.12  Generating proof ... Warning: ignoring some quantifiers
% 2.46/1.24  found it (size 8)
% 2.46/1.24  
% 2.46/1.24  % SZS output start Proof for theBenchmark
% 2.46/1.24  Assumed formulas after preprocessing and simplification: 
% 2.46/1.24  | (0)  ? [v0] : (a(v0) = 0 &  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (b(v3) = v2) |  ~ (b(v3) = v1)) &  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (a(v3) = v2) |  ~ (a(v3) = v1)) &  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (b(v1) = v2)) &  ! [v1] : ( ~ (b(v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & a(v1) = v2)) &  ! [v1] : ( ~ (a(v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & b(v1) = v2)) &  ? [v1] :  ? [v2] : b(v1) = v2 &  ? [v1] :  ? [v2] : a(v1) = v2)
% 2.46/1.28  | Instantiating (0) with all_0_0_0 yields:
% 2.46/1.28  | (1) a(all_0_0_0) = 0 &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (b(v2) = v1) |  ~ (b(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (a(v2) = v1) |  ~ (a(v2) = v0)) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (b(v0) = v1)) &  ! [v0] : ( ~ (b(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & a(v0) = v1)) &  ! [v0] : ( ~ (a(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & b(v0) = v1)) &  ? [v0] :  ? [v1] : b(v0) = v1 &  ? [v0] :  ? [v1] : a(v0) = v1
% 2.46/1.28  |
% 2.46/1.28  | Applying alpha-rule on (1) yields:
% 2.46/1.28  | (2) a(all_0_0_0) = 0
% 2.46/1.28  | (3)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (b(v0) = v1))
% 2.46/1.28  | (4)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (b(v2) = v1) |  ~ (b(v2) = v0))
% 2.46/1.28  | (5)  ? [v0] :  ? [v1] : a(v0) = v1
% 2.46/1.28  | (6)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (a(v2) = v1) |  ~ (a(v2) = v0))
% 2.46/1.28  | (7)  ? [v0] :  ? [v1] : b(v0) = v1
% 2.46/1.28  | (8)  ! [v0] : ( ~ (a(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & b(v0) = v1))
% 2.46/1.28  | (9)  ! [v0] : ( ~ (b(v0) = 0) |  ? [v1] : ( ~ (v1 = 0) & a(v0) = v1))
% 2.46/1.28  |
% 2.46/1.28  | Instantiating formula (8) with all_0_0_0 and discharging atoms a(all_0_0_0) = 0, yields:
% 2.46/1.28  | (10)  ? [v0] : ( ~ (v0 = 0) & b(all_0_0_0) = v0)
% 2.46/1.28  |
% 2.46/1.28  | Instantiating (10) with all_16_0_5 yields:
% 2.46/1.28  | (11)  ~ (all_16_0_5 = 0) & b(all_0_0_0) = all_16_0_5
% 2.46/1.28  |
% 2.46/1.28  | Applying alpha-rule on (11) yields:
% 2.46/1.28  | (12)  ~ (all_16_0_5 = 0)
% 2.46/1.28  | (13) b(all_0_0_0) = all_16_0_5
% 2.46/1.29  |
% 2.46/1.29  | Instantiating formula (3) with all_16_0_5, all_0_0_0 and discharging atoms b(all_0_0_0) = all_16_0_5, yields:
% 2.46/1.29  | (14) all_16_0_5 = 0
% 2.46/1.29  |
% 2.46/1.29  | Equations (14) can reduce 12 to:
% 2.46/1.29  | (15) $false
% 2.46/1.29  |
% 2.46/1.29  |-The branch is then unsatisfiable
% 2.46/1.29  % SZS output end Proof for theBenchmark
% 2.46/1.29  
% 2.46/1.29  713ms
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